diff options
Diffstat (limited to 'drivers/net/wireless')
46 files changed, 16165 insertions, 1060 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index fd17aa8491b..bad09ebdb50 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -309,7 +309,10 @@ config APPLE_AIRPORT Say Y here to support the Airport 802.11b wireless Ethernet hardware built into the Macintosh iBook and other recent PowerPC-based Macintosh machines. This is essentially a Lucent Orinoco card with - a non-standard interface + a non-standard interface. + + This driver does not support the Airport Extreme (802.11b/g). Use + the BCM43xx driver for Airport Extreme cards. config PLX_HERMES tristate "Hermes in PLX9052 based PCI adaptor support (Netgear MA301 etc.)" @@ -353,7 +356,7 @@ config PCI_HERMES config ATMEL tristate "Atmel at76c50x chipset 802.11b support" - depends on NET_RADIO + depends on NET_RADIO && (PCI || PCMCIA) select FW_LOADER select CRC32 ---help--- @@ -401,6 +404,7 @@ config PCMCIA_HERMES config PCMCIA_SPECTRUM tristate "Symbol Spectrum24 Trilogy PCMCIA card support" depends on NET_RADIO && PCMCIA && HERMES + select FW_LOADER ---help--- This is a driver for 802.11b cards using RAM-loadable Symbol @@ -500,6 +504,7 @@ config PRISM54 will be called prism54.ko. source "drivers/net/wireless/hostap/Kconfig" +source "drivers/net/wireless/bcm43xx/Kconfig" # yes, this works even when no drivers are selected config NET_WIRELESS diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 3a6f7ba326c..c8677987936 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_PCMCIA_ATMEL) += atmel_cs.o obj-$(CONFIG_PRISM54) += prism54/ obj-$(CONFIG_HOSTAP) += hostap/ +obj-$(CONFIG_BCM43XX) += bcm43xx/ # 16-bit wireless PCMCIA client drivers obj-$(CONFIG_PCMCIA_RAYCS) += ray_cs.o diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c index a496460ce22..af0cbb6c5c0 100644 --- a/drivers/net/wireless/airo_cs.c +++ b/drivers/net/wireless/airo_cs.c @@ -80,8 +80,8 @@ MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards"); event handler. */ -static void airo_config(dev_link_t *link); -static void airo_release(dev_link_t *link); +static int airo_config(struct pcmcia_device *link); +static void airo_release(struct pcmcia_device *link); /* The attach() and detach() entry points are used to create and destroy @@ -101,10 +101,10 @@ static void airo_detach(struct pcmcia_device *p_dev); /* A linked list of "instances" of the aironet device. Each actual PCMCIA card corresponds to one device instance, and is described - by one dev_link_t structure (defined in ds.h). + by one struct pcmcia_device structure (defined in ds.h). You may not want to use a linked list for this -- for example, the - memory card driver uses an array of dev_link_t pointers, where minor + memory card driver uses an array of struct pcmcia_device pointers, where minor device numbers are used to derive the corresponding array index. */ @@ -114,7 +114,7 @@ static void airo_detach(struct pcmcia_device *p_dev); example, ethernet cards, modems). In other cases, there may be many actual or logical devices (SCSI adapters, memory cards with multiple partitions). The dev_node_t structures need to be kept - in a linked list starting at the 'dev' field of a dev_link_t + in a linked list starting at the 'dev' field of a struct pcmcia_device structure. We allocate them in the card's private data structure, because they generally shouldn't be allocated dynamically. @@ -141,24 +141,16 @@ typedef struct local_info_t { ======================================================================*/ -static int airo_attach(struct pcmcia_device *p_dev) +static int airo_probe(struct pcmcia_device *p_dev) { - dev_link_t *link; local_info_t *local; DEBUG(0, "airo_attach()\n"); - /* Initialize the dev_link_t structure */ - link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); - if (!link) { - printk(KERN_ERR "airo_cs: no memory for new device\n"); - return -ENOMEM; - } - /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = NULL; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = NULL; /* General socket configuration defaults can go here. In this @@ -167,26 +159,18 @@ static int airo_attach(struct pcmcia_device *p_dev) and attributes of IO windows) are fixed by the nature of the device, and can be hard-wired here. */ - link->conf.Attributes = 0; - link->conf.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; + p_dev->conf.Attributes = 0; + p_dev->conf.IntType = INT_MEMORY_AND_IO; /* Allocate space for private device-specific data */ local = kzalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) { printk(KERN_ERR "airo_cs: no memory for new device\n"); - kfree (link); return -ENOMEM; } - link->priv = local; + p_dev->priv = local; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - airo_config(link); - - return 0; + return airo_config(p_dev); } /* airo_attach */ /*====================================================================== @@ -198,14 +182,11 @@ static int airo_attach(struct pcmcia_device *p_dev) ======================================================================*/ -static void airo_detach(struct pcmcia_device *p_dev) +static void airo_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - DEBUG(0, "airo_detach(0x%p)\n", link); - if (link->state & DEV_CONFIG) - airo_release(link); + airo_release(link); if ( ((local_info_t*)link->priv)->eth_dev ) { stop_airo_card( ((local_info_t*)link->priv)->eth_dev, 0 ); @@ -213,7 +194,6 @@ static void airo_detach(struct pcmcia_device *p_dev) ((local_info_t*)link->priv)->eth_dev = NULL; kfree(link->priv); - kfree(link); } /* airo_detach */ /*====================================================================== @@ -227,9 +207,8 @@ static void airo_detach(struct pcmcia_device *p_dev) #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void airo_config(dev_link_t *link) +static int airo_config(struct pcmcia_device *link) { - client_handle_t handle; tuple_t tuple; cisparse_t parse; local_info_t *dev; @@ -237,8 +216,7 @@ static void airo_config(dev_link_t *link) u_char buf[64]; win_req_t req; memreq_t map; - - handle = link->handle; + dev = link->priv; DEBUG(0, "airo_config(0x%p)\n", link); @@ -252,15 +230,12 @@ static void airo_config(dev_link_t *link) tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - - /* Configure card */ - link->state |= DEV_CONFIG; - + /* In this loop, we scan the CIS for configuration table entries, each of which describes a valid card configuration, including @@ -274,12 +249,12 @@ static void airo_config(dev_link_t *link) will only use the CIS to fill in implementation-defined details. */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { cistpl_cftable_entry_t dflt = { 0 }; cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); - if (pcmcia_get_tuple_data(handle, &tuple) != 0 || - pcmcia_parse_tuple(handle, &tuple, &parse) != 0) + if (pcmcia_get_tuple_data(link, &tuple) != 0 || + pcmcia_parse_tuple(link, &tuple, &parse) != 0) goto next_entry; if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; @@ -294,16 +269,11 @@ static void airo_config(dev_link_t *link) /* Use power settings for Vcc and Vpp if present */ /* Note that the CIS values need to be rescaled */ - if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vcc = cfg->vcc.param[CISTPL_POWER_VNOM]/10000; - else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vcc = dflt.vcc.param[CISTPL_POWER_VNOM]/10000; - if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000; else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = dflt.vpp1.param[CISTPL_POWER_VNOM]/10000; /* Do we need to allocate an interrupt? */ @@ -329,12 +299,12 @@ static void airo_config(dev_link_t *link) } /* This reserves IO space but doesn't actually enable it */ - if (pcmcia_request_io(link->handle, &link->io) != 0) + if (pcmcia_request_io(link, &link->io) != 0) goto next_entry; /* Now set up a common memory window, if needed. There is room - in the dev_link_t structure for one memory window handle, + in the struct pcmcia_device structure for one memory window handle, but if the base addresses need to be saved, or if multiple windows are needed, the info should go in the private data structure for this device. @@ -350,7 +320,7 @@ static void airo_config(dev_link_t *link) req.Base = mem->win[0].host_addr; req.Size = mem->win[0].len; req.AccessSpeed = 0; - if (pcmcia_request_window(&link->handle, &req, &link->win) != 0) + if (pcmcia_request_window(&link, &req, &link->win) != 0) goto next_entry; map.Page = 0; map.CardOffset = mem->win[0].card_addr; if (pcmcia_map_mem_page(link->win, &map) != 0) @@ -360,7 +330,7 @@ static void airo_config(dev_link_t *link) break; next_entry: - CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); + CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); } /* @@ -369,33 +339,32 @@ static void airo_config(dev_link_t *link) irq structure is initialized. */ if (link->conf.Attributes & CONF_ENABLE_IRQ) - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); /* This actually configures the PCMCIA socket -- setting up the I/O windows and the interrupt mapping, and putting the card and host interface into "Memory and IO" mode. */ - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); ((local_info_t*)link->priv)->eth_dev = init_airo_card( link->irq.AssignedIRQ, - link->io.BasePort1, 1, &handle_to_dev(handle) ); + link->io.BasePort1, 1, &handle_to_dev(link) ); if (!((local_info_t*)link->priv)->eth_dev) goto cs_failed; /* At this point, the dev_node_t structure(s) need to be - initialized and arranged in a linked list at link->dev. + initialized and arranged in a linked list at link->dev_node. */ strcpy(dev->node.dev_name, ((local_info_t*)link->priv)->eth_dev->name ); dev->node.major = dev->node.minor = 0; - link->dev = &dev->node; + link->dev_node = &dev->node; /* Finally, report what we've done */ - printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d", - dev->node.dev_name, link->conf.ConfigIndex, - link->conf.Vcc/10, link->conf.Vcc%10); - if (link->conf.Vpp1) - printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10); + printk(KERN_INFO "%s: index 0x%02x: ", + dev->node.dev_name, link->conf.ConfigIndex); + if (link->conf.Vpp) + printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10); if (link->conf.Attributes & CONF_ENABLE_IRQ) printk(", irq %d", link->irq.AssignedIRQ); if (link->io.NumPorts1) @@ -408,14 +377,12 @@ static void airo_config(dev_link_t *link) printk(", mem 0x%06lx-0x%06lx", req.Base, req.Base+req.Size-1); printk("\n"); - - link->state &= ~DEV_CONFIG_PENDING; - return; - + return 0; + cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); airo_release(link); - + return -ENODEV; } /* airo_config */ /*====================================================================== @@ -426,51 +393,26 @@ static void airo_config(dev_link_t *link) ======================================================================*/ -static void airo_release(dev_link_t *link) +static void airo_release(struct pcmcia_device *link) { DEBUG(0, "airo_release(0x%p)\n", link); - - /* Unlink the device chain */ - link->dev = NULL; - - /* - In a normal driver, additional code may be needed to release - other kernel data structures associated with this device. - */ - - /* Don't bother checking to see if these succeed or not */ - if (link->win) - pcmcia_release_window(link->win); - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); - link->state &= ~DEV_CONFIG; + pcmcia_disable_device(link); } -static int airo_suspend(struct pcmcia_device *p_dev) +static int airo_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); local_info_t *local = link->priv; - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - netif_device_detach(local->eth_dev); - pcmcia_release_configuration(link->handle); - } + netif_device_detach(local->eth_dev); return 0; } -static int airo_resume(struct pcmcia_device *p_dev) +static int airo_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); local_info_t *local = link->priv; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { reset_airo_card(local->eth_dev); netif_device_attach(local->eth_dev); } @@ -492,7 +434,7 @@ static struct pcmcia_driver airo_driver = { .drv = { .name = "airo_cs", }, - .probe = airo_attach, + .probe = airo_probe, .remove = airo_detach, .id_table = airo_ids, .suspend = airo_suspend, diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c index d6f4a5a3e55..26bf1127524 100644 --- a/drivers/net/wireless/atmel_cs.c +++ b/drivers/net/wireless/atmel_cs.c @@ -91,8 +91,8 @@ MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards"); event handler. */ -static void atmel_config(dev_link_t *link); -static void atmel_release(dev_link_t *link); +static int atmel_config(struct pcmcia_device *link); +static void atmel_release(struct pcmcia_device *link); /* The attach() and detach() entry points are used to create and destroy @@ -112,10 +112,10 @@ static void atmel_detach(struct pcmcia_device *p_dev); /* A linked list of "instances" of the atmelnet device. Each actual PCMCIA card corresponds to one device instance, and is described - by one dev_link_t structure (defined in ds.h). + by one struct pcmcia_device structure (defined in ds.h). You may not want to use a linked list for this -- for example, the - memory card driver uses an array of dev_link_t pointers, where minor + memory card driver uses an array of struct pcmcia_device pointers, where minor device numbers are used to derive the corresponding array index. */ @@ -125,7 +125,7 @@ static void atmel_detach(struct pcmcia_device *p_dev); example, ethernet cards, modems). In other cases, there may be many actual or logical devices (SCSI adapters, memory cards with multiple partitions). The dev_node_t structures need to be kept - in a linked list starting at the 'dev' field of a dev_link_t + in a linked list starting at the 'dev' field of a struct pcmcia_device structure. We allocate them in the card's private data structure, because they generally shouldn't be allocated dynamically. @@ -152,24 +152,16 @@ typedef struct local_info_t { ======================================================================*/ -static int atmel_attach(struct pcmcia_device *p_dev) +static int atmel_probe(struct pcmcia_device *p_dev) { - dev_link_t *link; local_info_t *local; DEBUG(0, "atmel_attach()\n"); - /* Initialize the dev_link_t structure */ - link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); - if (!link) { - printk(KERN_ERR "atmel_cs: no memory for new device\n"); - return -ENOMEM; - } - /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = NULL; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = NULL; /* General socket configuration defaults can go here. In this @@ -178,26 +170,18 @@ static int atmel_attach(struct pcmcia_device *p_dev) and attributes of IO windows) are fixed by the nature of the device, and can be hard-wired here. */ - link->conf.Attributes = 0; - link->conf.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; + p_dev->conf.Attributes = 0; + p_dev->conf.IntType = INT_MEMORY_AND_IO; /* Allocate space for private device-specific data */ local = kzalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) { printk(KERN_ERR "atmel_cs: no memory for new device\n"); - kfree (link); return -ENOMEM; } - link->priv = local; + p_dev->priv = local; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - atmel_config(link); - - return 0; + return atmel_config(p_dev); } /* atmel_attach */ /*====================================================================== @@ -209,17 +193,13 @@ static int atmel_attach(struct pcmcia_device *p_dev) ======================================================================*/ -static void atmel_detach(struct pcmcia_device *p_dev) +static void atmel_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - DEBUG(0, "atmel_detach(0x%p)\n", link); - if (link->state & DEV_CONFIG) - atmel_release(link); + atmel_release(link); kfree(link->priv); - kfree(link); } /*====================================================================== @@ -236,19 +216,17 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) /* Call-back function to interrogate PCMCIA-specific information about the current existance of the card */ static int card_present(void *arg) -{ - dev_link_t *link = (dev_link_t *)arg; - if (link->state & DEV_SUSPEND) - return 0; - else if (link->state & DEV_PRESENT) +{ + struct pcmcia_device *link = (struct pcmcia_device *)arg; + + if (pcmcia_dev_present(link)) return 1; - + return 0; } -static void atmel_config(dev_link_t *link) +static int atmel_config(struct pcmcia_device *link) { - client_handle_t handle; tuple_t tuple; cisparse_t parse; local_info_t *dev; @@ -256,9 +234,8 @@ static void atmel_config(dev_link_t *link) u_char buf[64]; struct pcmcia_device_id *did; - handle = link->handle; dev = link->priv; - did = handle_to_dev(handle).driver_data; + did = handle_to_dev(link).driver_data; DEBUG(0, "atmel_config(0x%p)\n", link); @@ -272,15 +249,12 @@ static void atmel_config(dev_link_t *link) registers. */ tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - - /* Configure card */ - link->state |= DEV_CONFIG; - + /* In this loop, we scan the CIS for configuration table entries, each of which describes a valid card configuration, including @@ -294,12 +268,12 @@ static void atmel_config(dev_link_t *link) will only use the CIS to fill in implementation-defined details. */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { cistpl_cftable_entry_t dflt = { 0 }; cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); - if (pcmcia_get_tuple_data(handle, &tuple) != 0 || - pcmcia_parse_tuple(handle, &tuple, &parse) != 0) + if (pcmcia_get_tuple_data(link, &tuple) != 0 || + pcmcia_parse_tuple(link, &tuple, &parse) != 0) goto next_entry; if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; @@ -314,16 +288,11 @@ static void atmel_config(dev_link_t *link) /* Use power settings for Vcc and Vpp if present */ /* Note that the CIS values need to be rescaled */ - if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vcc = cfg->vcc.param[CISTPL_POWER_VNOM]/10000; - else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vcc = dflt.vcc.param[CISTPL_POWER_VNOM]/10000; - if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000; else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = dflt.vpp1.param[CISTPL_POWER_VNOM]/10000; /* Do we need to allocate an interrupt? */ @@ -349,14 +318,14 @@ static void atmel_config(dev_link_t *link) } /* This reserves IO space but doesn't actually enable it */ - if (pcmcia_request_io(link->handle, &link->io) != 0) + if (pcmcia_request_io(link, &link->io) != 0) goto next_entry; /* If we got this far, we're cool! */ break; next_entry: - CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); + CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); } /* @@ -365,14 +334,14 @@ static void atmel_config(dev_link_t *link) irq structure is initialized. */ if (link->conf.Attributes & CONF_ENABLE_IRQ) - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); /* This actually configures the PCMCIA socket -- setting up the I/O windows and the interrupt mapping, and putting the card and host interface into "Memory and IO" mode. */ - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); if (link->irq.AssignedIRQ == 0) { printk(KERN_ALERT @@ -384,7 +353,7 @@ static void atmel_config(dev_link_t *link) init_atmel_card(link->irq.AssignedIRQ, link->io.BasePort1, did ? did->driver_info : ATMEL_FW_TYPE_NONE, - &handle_to_dev(handle), + &handle_to_dev(link), card_present, link); if (!((local_info_t*)link->priv)->eth_dev) @@ -393,18 +362,18 @@ static void atmel_config(dev_link_t *link) /* At this point, the dev_node_t structure(s) need to be - initialized and arranged in a linked list at link->dev. + initialized and arranged in a linked list at link->dev_node. */ strcpy(dev->node.dev_name, ((local_info_t*)link->priv)->eth_dev->name ); dev->node.major = dev->node.minor = 0; - link->dev = &dev->node; - - link->state &= ~DEV_CONFIG_PENDING; - return; - + link->dev_node = &dev->node; + + return 0; + cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); atmel_release(link); + return -ENODEV; } /*====================================================================== @@ -415,53 +384,34 @@ static void atmel_config(dev_link_t *link) ======================================================================*/ -static void atmel_release(dev_link_t *link) +static void atmel_release(struct pcmcia_device *link) { struct net_device *dev = ((local_info_t*)link->priv)->eth_dev; - + DEBUG(0, "atmel_release(0x%p)\n", link); - - /* Unlink the device chain */ - link->dev = NULL; - - if (dev) + + if (dev) stop_atmel_card(dev); - ((local_info_t*)link->priv)->eth_dev = NULL; - - /* Don't bother checking to see if these succeed or not */ - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); - link->state &= ~DEV_CONFIG; + ((local_info_t*)link->priv)->eth_dev = NULL; + + pcmcia_disable_device(link); } -static int atmel_suspend(struct pcmcia_device *dev) +static int atmel_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); local_info_t *local = link->priv; - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - netif_device_detach(local->eth_dev); - pcmcia_release_configuration(link->handle); - } + netif_device_detach(local->eth_dev); return 0; } -static int atmel_resume(struct pcmcia_device *dev) +static int atmel_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); local_info_t *local = link->priv; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - atmel_open(local->eth_dev); - netif_device_attach(local->eth_dev); - } + atmel_open(local->eth_dev); + netif_device_attach(local->eth_dev); return 0; } @@ -515,7 +465,7 @@ static struct pcmcia_driver atmel_driver = { .drv = { .name = "atmel_cs", }, - .probe = atmel_attach, + .probe = atmel_probe, .remove = atmel_detach, .id_table = atmel_ids, .suspend = atmel_suspend, diff --git a/drivers/net/wireless/bcm43xx/Kconfig b/drivers/net/wireless/bcm43xx/Kconfig new file mode 100644 index 00000000000..418465600a7 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/Kconfig @@ -0,0 +1,62 @@ +config BCM43XX + tristate "Broadcom BCM43xx wireless support" + depends on PCI && IEEE80211 && IEEE80211_SOFTMAC && NET_RADIO && EXPERIMENTAL + select FW_LOADER + ---help--- + This is an experimental driver for the Broadcom 43xx wireless chip, + found in the Apple Airport Extreme and various other devices. + +config BCM43XX_DEBUG + bool "Broadcom BCM43xx debugging (RECOMMENDED)" + depends on BCM43XX + default y + ---help--- + Broadcom 43xx debugging messages. + Say Y, because the driver is still very experimental and + this will help you get it running. + +config BCM43XX_DMA + bool +config BCM43XX_PIO + bool + +choice + prompt "BCM43xx data transfer mode" + depends on BCM43XX + default BCM43XX_DMA_AND_PIO_MODE + +config BCM43XX_DMA_AND_PIO_MODE + bool "DMA + PIO" + select BCM43XX_DMA + select BCM43XX_PIO + ---help--- + Include both, Direct Memory Access (DMA) and Programmed I/O (PIO) + data transfer modes. + The actually used mode is selectable through the module + parameter "pio". If the module parameter is pio=0, DMA is used. + Otherwise PIO is used. DMA is default. + + If unsure, choose this option. + +config BCM43XX_DMA_MODE + bool "DMA (Direct Memory Access) only" + select BCM43XX_DMA + ---help--- + Only include Direct Memory Access (DMA). + This reduces the size of the driver module, by omitting the PIO code. + +config BCM43XX_PIO_MODE + bool "PIO (Programmed I/O) only" + select BCM43XX_PIO + ---help--- + Only include Programmed I/O (PIO). + This reduces the size of the driver module, by omitting the DMA code. + Please note that PIO transfers are slow (compared to DMA). + + Also note that not all devices of the 43xx series support PIO. + The 4306 (Apple Airport Extreme and others) supports PIO, while + the 4318 is known to _not_ support PIO. + + Only use PIO, if DMA does not work for you. + +endchoice diff --git a/drivers/net/wireless/bcm43xx/Makefile b/drivers/net/wireless/bcm43xx/Makefile new file mode 100644 index 00000000000..bb5220c629d --- /dev/null +++ b/drivers/net/wireless/bcm43xx/Makefile @@ -0,0 +1,12 @@ +obj-$(CONFIG_BCM43XX) += bcm43xx.o +bcm43xx-obj-$(CONFIG_BCM43XX_DEBUG) += bcm43xx_debugfs.o + +bcm43xx-obj-$(CONFIG_BCM43XX_DMA) += bcm43xx_dma.o +bcm43xx-obj-$(CONFIG_BCM43XX_PIO) += bcm43xx_pio.o + +bcm43xx-objs := bcm43xx_main.o bcm43xx_ilt.o \ + bcm43xx_radio.o bcm43xx_phy.o \ + bcm43xx_power.o bcm43xx_wx.o \ + bcm43xx_leds.o bcm43xx_ethtool.o \ + bcm43xx_xmit.o bcm43xx_sysfs.o \ + $(bcm43xx-obj-y) diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h new file mode 100644 index 00000000000..dcadd295de4 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -0,0 +1,926 @@ +#ifndef BCM43xx_H_ +#define BCM43xx_H_ + +#include <linux/version.h> +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/stringify.h> +#include <linux/pci.h> +#include <net/ieee80211.h> +#include <net/ieee80211softmac.h> +#include <asm/atomic.h> +#include <asm/io.h> + + +#include "bcm43xx_debugfs.h" +#include "bcm43xx_leds.h" +#include "bcm43xx_sysfs.h" + + +#define PFX KBUILD_MODNAME ": " + +#define BCM43xx_SWITCH_CORE_MAX_RETRIES 50 +#define BCM43xx_IRQWAIT_MAX_RETRIES 50 + +#define BCM43xx_IO_SIZE 8192 + +/* Active Core PCI Configuration Register. */ +#define BCM43xx_PCICFG_ACTIVE_CORE 0x80 +/* SPROM control register. */ +#define BCM43xx_PCICFG_SPROMCTL 0x88 +/* Interrupt Control PCI Configuration Register. (Only on PCI cores with rev >= 6) */ +#define BCM43xx_PCICFG_ICR 0x94 + +/* MMIO offsets */ +#define BCM43xx_MMIO_DMA1_REASON 0x20 +#define BCM43xx_MMIO_DMA1_IRQ_MASK 0x24 +#define BCM43xx_MMIO_DMA2_REASON 0x28 +#define BCM43xx_MMIO_DMA2_IRQ_MASK 0x2C +#define BCM43xx_MMIO_DMA3_REASON 0x30 +#define BCM43xx_MMIO_DMA3_IRQ_MASK 0x34 +#define BCM43xx_MMIO_DMA4_REASON 0x38 +#define BCM43xx_MMIO_DMA4_IRQ_MASK 0x3C +#define BCM43xx_MMIO_STATUS_BITFIELD 0x120 +#define BCM43xx_MMIO_STATUS2_BITFIELD 0x124 +#define BCM43xx_MMIO_GEN_IRQ_REASON 0x128 +#define BCM43xx_MMIO_GEN_IRQ_MASK 0x12C +#define BCM43xx_MMIO_RAM_CONTROL 0x130 +#define BCM43xx_MMIO_RAM_DATA 0x134 +#define BCM43xx_MMIO_PS_STATUS 0x140 +#define BCM43xx_MMIO_RADIO_HWENABLED_HI 0x158 +#define BCM43xx_MMIO_SHM_CONTROL 0x160 +#define BCM43xx_MMIO_SHM_DATA 0x164 +#define BCM43xx_MMIO_SHM_DATA_UNALIGNED 0x166 +#define BCM43xx_MMIO_XMITSTAT_0 0x170 +#define BCM43xx_MMIO_XMITSTAT_1 0x174 +#define BCM43xx_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */ +#define BCM43xx_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */ +#define BCM43xx_MMIO_DMA1_BASE 0x200 +#define BCM43xx_MMIO_DMA2_BASE 0x220 +#define BCM43xx_MMIO_DMA3_BASE 0x240 +#define BCM43xx_MMIO_DMA4_BASE 0x260 +#define BCM43xx_MMIO_PIO1_BASE 0x300 +#define BCM43xx_MMIO_PIO2_BASE 0x310 +#define BCM43xx_MMIO_PIO3_BASE 0x320 +#define BCM43xx_MMIO_PIO4_BASE 0x330 +#define BCM43xx_MMIO_PHY_VER 0x3E0 +#define BCM43xx_MMIO_PHY_RADIO 0x3E2 +#define BCM43xx_MMIO_ANTENNA 0x3E8 +#define BCM43xx_MMIO_CHANNEL 0x3F0 +#define BCM43xx_MMIO_CHANNEL_EXT 0x3F4 +#define BCM43xx_MMIO_RADIO_CONTROL 0x3F6 +#define BCM43xx_MMIO_RADIO_DATA_HIGH 0x3F8 +#define BCM43xx_MMIO_RADIO_DATA_LOW 0x3FA +#define BCM43xx_MMIO_PHY_CONTROL 0x3FC +#define BCM43xx_MMIO_PHY_DATA 0x3FE +#define BCM43xx_MMIO_MACFILTER_CONTROL 0x420 +#define BCM43xx_MMIO_MACFILTER_DATA 0x422 +#define BCM43xx_MMIO_RADIO_HWENABLED_LO 0x49A +#define BCM43xx_MMIO_GPIO_CONTROL 0x49C +#define BCM43xx_MMIO_GPIO_MASK 0x49E +#define BCM43xx_MMIO_TSF_0 0x632 /* core rev < 3 only */ +#define BCM43xx_MMIO_TSF_1 0x634 /* core rev < 3 only */ +#define BCM43xx_MMIO_TSF_2 0x636 /* core rev < 3 only */ +#define BCM43xx_MMIO_TSF_3 0x638 /* core rev < 3 only */ +#define BCM43xx_MMIO_POWERUP_DELAY 0x6A8 + +/* SPROM offsets. */ +#define BCM43xx_SPROM_BASE 0x1000 +#define BCM43xx_SPROM_BOARDFLAGS2 0x1c +#define BCM43xx_SPROM_IL0MACADDR 0x24 +#define BCM43xx_SPROM_ET0MACADDR 0x27 +#define BCM43xx_SPROM_ET1MACADDR 0x2a +#define BCM43xx_SPROM_ETHPHY 0x2d +#define BCM43xx_SPROM_BOARDREV 0x2e +#define BCM43xx_SPROM_PA0B0 0x2f +#define BCM43xx_SPROM_PA0B1 0x30 +#define BCM43xx_SPROM_PA0B2 0x31 +#define BCM43xx_SPROM_WL0GPIO0 0x32 +#define BCM43xx_SPROM_WL0GPIO2 0x33 +#define BCM43xx_SPROM_MAXPWR 0x34 +#define BCM43xx_SPROM_PA1B0 0x35 +#define BCM43xx_SPROM_PA1B1 0x36 +#define BCM43xx_SPROM_PA1B2 0x37 +#define BCM43xx_SPROM_IDL_TSSI_TGT 0x38 +#define BCM43xx_SPROM_BOARDFLAGS 0x39 +#define BCM43xx_SPROM_ANTENNA_GAIN 0x3a +#define BCM43xx_SPROM_VERSION 0x3f + +/* BCM43xx_SPROM_BOARDFLAGS values */ +#define BCM43xx_BFL_BTCOEXIST 0x0001 /* implements Bluetooth coexistance */ +#define BCM43xx_BFL_PACTRL 0x0002 /* GPIO 9 controlling the PA */ +#define BCM43xx_BFL_AIRLINEMODE 0x0004 /* implements GPIO 13 radio disable indication */ +#define BCM43xx_BFL_RSSI 0x0008 /* software calculates nrssi slope. */ +#define BCM43xx_BFL_ENETSPI 0x0010 /* has ephy roboswitch spi */ +#define BCM43xx_BFL_XTAL_NOSLOW 0x0020 /* no slow clock available */ +#define BCM43xx_BFL_CCKHIPWR 0x0040 /* can do high power CCK transmission */ +#define BCM43xx_BFL_ENETADM 0x0080 /* has ADMtek switch */ +#define BCM43xx_BFL_ENETVLAN 0x0100 /* can do vlan */ +#define BCM43xx_BFL_AFTERBURNER 0x0200 /* supports Afterburner mode */ +#define BCM43xx_BFL_NOPCI 0x0400 /* leaves PCI floating */ +#define BCM43xx_BFL_FEM 0x0800 /* supports the Front End Module */ +#define BCM43xx_BFL_EXTLNA 0x1000 /* has an external LNA */ +#define BCM43xx_BFL_HGPA 0x2000 /* had high gain PA */ +#define BCM43xx_BFL_BTCMOD 0x4000 /* BFL_BTCOEXIST is given in alternate GPIOs */ +#define BCM43xx_BFL_ALTIQ 0x8000 /* alternate I/Q settings */ + +/* GPIO register offset, in both ChipCommon and PCI core. */ +#define BCM43xx_GPIO_CONTROL 0x6c + +/* SHM Routing */ +#define BCM43xx_SHM_SHARED 0x0001 +#define BCM43xx_SHM_WIRELESS 0x0002 +#define BCM43xx_SHM_PCM 0x0003 +#define BCM43xx_SHM_HWMAC 0x0004 +#define BCM43xx_SHM_UCODE 0x0300 + +/* MacFilter offsets. */ +#define BCM43xx_MACFILTER_SELF 0x0000 +#define BCM43xx_MACFILTER_ASSOC 0x0003 + +/* Chipcommon registers. */ +#define BCM43xx_CHIPCOMMON_CAPABILITIES 0x04 +#define BCM43xx_CHIPCOMMON_PLLONDELAY 0xB0 +#define BCM43xx_CHIPCOMMON_FREFSELDELAY 0xB4 +#define BCM43xx_CHIPCOMMON_SLOWCLKCTL 0xB8 +#define BCM43xx_CHIPCOMMON_SYSCLKCTL 0xC0 + +/* PCI core specific registers. */ +#define BCM43xx_PCICORE_BCAST_ADDR 0x50 +#define BCM43xx_PCICORE_BCAST_DATA 0x54 +#define BCM43xx_PCICORE_SBTOPCI2 0x108 + +/* SBTOPCI2 values. */ +#define BCM43xx_SBTOPCI2_PREFETCH 0x4 +#define BCM43xx_SBTOPCI2_BURST 0x8 + +/* Chipcommon capabilities. */ +#define BCM43xx_CAPABILITIES_PCTL 0x00040000 +#define BCM43xx_CAPABILITIES_PLLMASK 0x00030000 +#define BCM43xx_CAPABILITIES_PLLSHIFT 16 +#define BCM43xx_CAPABILITIES_FLASHMASK 0x00000700 +#define BCM43xx_CAPABILITIES_FLASHSHIFT 8 +#define BCM43xx_CAPABILITIES_EXTBUSPRESENT 0x00000040 +#define BCM43xx_CAPABILITIES_UARTGPIO 0x00000020 +#define BCM43xx_CAPABILITIES_UARTCLOCKMASK 0x00000018 +#define BCM43xx_CAPABILITIES_UARTCLOCKSHIFT 3 +#define BCM43xx_CAPABILITIES_MIPSBIGENDIAN 0x00000004 +#define BCM43xx_CAPABILITIES_NRUARTSMASK 0x00000003 + +/* PowerControl */ +#define BCM43xx_PCTL_IN 0xB0 +#define BCM43xx_PCTL_OUT 0xB4 +#define BCM43xx_PCTL_OUTENABLE 0xB8 +#define BCM43xx_PCTL_XTAL_POWERUP 0x40 +#define BCM43xx_PCTL_PLL_POWERDOWN 0x80 + +/* PowerControl Clock Modes */ +#define BCM43xx_PCTL_CLK_FAST 0x00 +#define BCM43xx_PCTL_CLK_SLOW 0x01 +#define BCM43xx_PCTL_CLK_DYNAMIC 0x02 + +#define BCM43xx_PCTL_FORCE_SLOW 0x0800 +#define BCM43xx_PCTL_FORCE_PLL 0x1000 +#define BCM43xx_PCTL_DYN_XTAL 0x2000 + +/* COREIDs */ +#define BCM43xx_COREID_CHIPCOMMON 0x800 +#define BCM43xx_COREID_ILINE20 0x801 +#define BCM43xx_COREID_SDRAM 0x803 +#define BCM43xx_COREID_PCI 0x804 +#define BCM43xx_COREID_MIPS 0x805 +#define BCM43xx_COREID_ETHERNET 0x806 +#define BCM43xx_COREID_V90 0x807 +#define BCM43xx_COREID_USB11_HOSTDEV 0x80a +#define BCM43xx_COREID_IPSEC 0x80b +#define BCM43xx_COREID_PCMCIA 0x80d +#define BCM43xx_COREID_EXT_IF 0x80f +#define BCM43xx_COREID_80211 0x812 +#define BCM43xx_COREID_MIPS_3302 0x816 +#define BCM43xx_COREID_USB11_HOST 0x817 +#define BCM43xx_COREID_USB11_DEV 0x818 +#define BCM43xx_COREID_USB20_HOST 0x819 +#define BCM43xx_COREID_USB20_DEV 0x81a +#define BCM43xx_COREID_SDIO_HOST 0x81b + +/* Core Information Registers */ +#define BCM43xx_CIR_BASE 0xf00 +#define BCM43xx_CIR_SBTPSFLAG (BCM43xx_CIR_BASE + 0x18) +#define BCM43xx_CIR_SBIMSTATE (BCM43xx_CIR_BASE + 0x90) +#define BCM43xx_CIR_SBINTVEC (BCM43xx_CIR_BASE + 0x94) +#define BCM43xx_CIR_SBTMSTATELOW (BCM43xx_CIR_BASE + 0x98) +#define BCM43xx_CIR_SBTMSTATEHIGH (BCM43xx_CIR_BASE + 0x9c) +#define BCM43xx_CIR_SBIMCONFIGLOW (BCM43xx_CIR_BASE + 0xa8) +#define BCM43xx_CIR_SB_ID_HI (BCM43xx_CIR_BASE + 0xfc) + +/* Mask to get the Backplane Flag Number from SBTPSFLAG. */ +#define BCM43xx_BACKPLANE_FLAG_NR_MASK 0x3f + +/* SBIMCONFIGLOW values/masks. */ +#define BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK 0x00000007 +#define BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT 0 +#define BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK 0x00000070 +#define BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT 4 +#define BCM43xx_SBIMCONFIGLOW_CONNID_MASK 0x00ff0000 +#define BCM43xx_SBIMCONFIGLOW_CONNID_SHIFT 16 + +/* sbtmstatelow state flags */ +#define BCM43xx_SBTMSTATELOW_RESET 0x01 +#define BCM43xx_SBTMSTATELOW_REJECT 0x02 +#define BCM43xx_SBTMSTATELOW_CLOCK 0x10000 +#define BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK 0x20000 + +/* sbtmstatehigh state flags */ +#define BCM43xx_SBTMSTATEHIGH_SERROR 0x1 +#define BCM43xx_SBTMSTATEHIGH_BUSY 0x4 + +/* sbimstate flags */ +#define BCM43xx_SBIMSTATE_IB_ERROR 0x20000 +#define BCM43xx_SBIMSTATE_TIMEOUT 0x40000 + +/* PHYVersioning */ +#define BCM43xx_PHYTYPE_A 0x00 +#define BCM43xx_PHYTYPE_B 0x01 +#define BCM43xx_PHYTYPE_G 0x02 + +/* PHYRegisters */ +#define BCM43xx_PHY_ILT_A_CTRL 0x0072 +#define BCM43xx_PHY_ILT_A_DATA1 0x0073 +#define BCM43xx_PHY_ILT_A_DATA2 0x0074 +#define BCM43xx_PHY_G_LO_CONTROL 0x0810 +#define BCM43xx_PHY_ILT_G_CTRL 0x0472 +#define BCM43xx_PHY_ILT_G_DATA1 0x0473 +#define BCM43xx_PHY_ILT_G_DATA2 0x0474 +#define BCM43xx_PHY_A_PCTL 0x007B +#define BCM43xx_PHY_G_PCTL 0x0029 +#define BCM43xx_PHY_A_CRS 0x0029 +#define BCM43xx_PHY_RADIO_BITFIELD 0x0401 +#define BCM43xx_PHY_G_CRS 0x0429 +#define BCM43xx_PHY_NRSSILT_CTRL 0x0803 +#define BCM43xx_PHY_NRSSILT_DATA 0x0804 + +/* RadioRegisters */ +#define BCM43xx_RADIOCTL_ID 0x01 + +/* StatusBitField */ +#define BCM43xx_SBF_MAC_ENABLED 0x00000001 +#define BCM43xx_SBF_2 0x00000002 /*FIXME: fix name*/ +#define BCM43xx_SBF_CORE_READY 0x00000004 +#define BCM43xx_SBF_400 0x00000400 /*FIXME: fix name*/ +#define BCM43xx_SBF_4000 0x00004000 /*FIXME: fix name*/ +#define BCM43xx_SBF_8000 0x00008000 /*FIXME: fix name*/ +#define BCM43xx_SBF_XFER_REG_BYTESWAP 0x00010000 +#define BCM43xx_SBF_MODE_NOTADHOC 0x00020000 +#define BCM43xx_SBF_MODE_AP 0x00040000 +#define BCM43xx_SBF_RADIOREG_LOCK 0x00080000 +#define BCM43xx_SBF_MODE_MONITOR 0x00400000 +#define BCM43xx_SBF_MODE_PROMISC 0x01000000 +#define BCM43xx_SBF_PS1 0x02000000 +#define BCM43xx_SBF_PS2 0x04000000 +#define BCM43xx_SBF_NO_SSID_BCAST 0x08000000 +#define BCM43xx_SBF_TIME_UPDATE 0x10000000 +#define BCM43xx_SBF_80000000 0x80000000 /*FIXME: fix name*/ + +/* MicrocodeFlagsBitfield (addr + lo-word values?)*/ +#define BCM43xx_UCODEFLAGS_OFFSET 0x005E + +#define BCM43xx_UCODEFLAG_AUTODIV 0x0001 +#define BCM43xx_UCODEFLAG_UNKBGPHY 0x0002 +#define BCM43xx_UCODEFLAG_UNKBPHY 0x0004 +#define BCM43xx_UCODEFLAG_UNKGPHY 0x0020 +#define BCM43xx_UCODEFLAG_UNKPACTRL 0x0040 +#define BCM43xx_UCODEFLAG_JAPAN 0x0080 + +/* Generic-Interrupt reasons. */ +#define BCM43xx_IRQ_READY (1 << 0) +#define BCM43xx_IRQ_BEACON (1 << 1) +#define BCM43xx_IRQ_PS (1 << 2) +#define BCM43xx_IRQ_REG124 (1 << 5) +#define BCM43xx_IRQ_PMQ (1 << 6) +#define BCM43xx_IRQ_PIO_WORKAROUND (1 << 8) +#define BCM43xx_IRQ_XMIT_ERROR (1 << 11) +#define BCM43xx_IRQ_RX (1 << 15) +#define BCM43xx_IRQ_SCAN (1 << 16) +#define BCM43xx_IRQ_NOISE (1 << 18) +#define BCM43xx_IRQ_XMIT_STATUS (1 << 29) + +#define BCM43xx_IRQ_ALL 0xffffffff +#define BCM43xx_IRQ_INITIAL (BCM43xx_IRQ_PS | \ + BCM43xx_IRQ_REG124 | \ + BCM43xx_IRQ_PMQ | \ + BCM43xx_IRQ_XMIT_ERROR | \ + BCM43xx_IRQ_RX | \ + BCM43xx_IRQ_SCAN | \ + BCM43xx_IRQ_NOISE | \ + BCM43xx_IRQ_XMIT_STATUS) + + +/* Initial default iw_mode */ +#define BCM43xx_INITIAL_IWMODE IW_MODE_INFRA + +/* Bus type PCI. */ +#define BCM43xx_BUSTYPE_PCI 0 +/* Bus type Silicone Backplane Bus. */ +#define BCM43xx_BUSTYPE_SB 1 +/* Bus type PCMCIA. */ +#define BCM43xx_BUSTYPE_PCMCIA 2 + +/* Threshold values. */ +#define BCM43xx_MIN_RTS_THRESHOLD 1U +#define BCM43xx_MAX_RTS_THRESHOLD 2304U +#define BCM43xx_DEFAULT_RTS_THRESHOLD BCM43xx_MAX_RTS_THRESHOLD + +#define BCM43xx_DEFAULT_SHORT_RETRY_LIMIT 7 +#define BCM43xx_DEFAULT_LONG_RETRY_LIMIT 4 + +/* Max size of a security key */ +#define BCM43xx_SEC_KEYSIZE 16 +/* Security algorithms. */ +enum { + BCM43xx_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */ + BCM43xx_SEC_ALGO_WEP, + BCM43xx_SEC_ALGO_UNKNOWN, + BCM43xx_SEC_ALGO_AES, + BCM43xx_SEC_ALGO_WEP104, + BCM43xx_SEC_ALGO_TKIP, +}; + +#ifdef assert +# undef assert +#endif +#ifdef CONFIG_BCM43XX_DEBUG +#define assert(expr) \ + do { \ + if (unlikely(!(expr))) { \ + printk(KERN_ERR PFX "ASSERTION FAILED (%s) at: %s:%d:%s()\n", \ + #expr, __FILE__, __LINE__, __FUNCTION__); \ + } \ + } while (0) +#else +#define assert(expr) do { /* nothing */ } while (0) +#endif + +/* rate limited printk(). */ +#ifdef printkl +# undef printkl +#endif +#define printkl(f, x...) do { if (printk_ratelimit()) printk(f ,##x); } while (0) +/* rate limited printk() for debugging */ +#ifdef dprintkl +# undef dprintkl +#endif +#ifdef CONFIG_BCM43XX_DEBUG +# define dprintkl printkl +#else +# define dprintkl(f, x...) do { /* nothing */ } while (0) +#endif + +/* Helper macro for if branches. + * An if branch marked with this macro is only taken in DEBUG mode. + * Example: + * if (DEBUG_ONLY(foo == bar)) { + * do something + * } + * In DEBUG mode, the branch will be taken if (foo == bar). + * In non-DEBUG mode, the branch will never be taken. + */ +#ifdef DEBUG_ONLY +# undef DEBUG_ONLY +#endif +#ifdef CONFIG_BCM43XX_DEBUG +# define DEBUG_ONLY(x) (x) +#else +# define DEBUG_ONLY(x) 0 +#endif + +/* debugging printk() */ +#ifdef dprintk +# undef dprintk +#endif +#ifdef CONFIG_BCM43XX_DEBUG +# define dprintk(f, x...) do { printk(f ,##x); } while (0) +#else +# define dprintk(f, x...) do { /* nothing */ } while (0) +#endif + + +struct net_device; +struct pci_dev; +struct bcm43xx_dmaring; +struct bcm43xx_pioqueue; + +struct bcm43xx_initval { + u16 offset; + u16 size; + u32 value; +} __attribute__((__packed__)); + +/* Values for bcm430x_sprominfo.locale */ +enum { + BCM43xx_LOCALE_WORLD = 0, + BCM43xx_LOCALE_THAILAND, + BCM43xx_LOCALE_ISRAEL, + BCM43xx_LOCALE_JORDAN, + BCM43xx_LOCALE_CHINA, + BCM43xx_LOCALE_JAPAN, + BCM43xx_LOCALE_USA_CANADA_ANZ, + BCM43xx_LOCALE_EUROPE, + BCM43xx_LOCALE_USA_LOW, + BCM43xx_LOCALE_JAPAN_HIGH, + BCM43xx_LOCALE_ALL, + BCM43xx_LOCALE_NONE, +}; + +#define BCM43xx_SPROM_SIZE 64 /* in 16-bit words. */ +struct bcm43xx_sprominfo { + u16 boardflags2; + u8 il0macaddr[6]; + u8 et0macaddr[6]; + u8 et1macaddr[6]; + u8 et0phyaddr:5; + u8 et1phyaddr:5; + u8 et0mdcport:1; + u8 et1mdcport:1; + u8 boardrev; + u8 locale:4; + u8 antennas_aphy:2; + u8 antennas_bgphy:2; + u16 pa0b0; + u16 pa0b1; + u16 pa0b2; + u8 wl0gpio0; + u8 wl0gpio1; + u8 wl0gpio2; + u8 wl0gpio3; + u8 maxpower_aphy; + u8 maxpower_bgphy; + u16 pa1b0; + u16 pa1b1; + u16 pa1b2; + u8 idle_tssi_tgt_aphy; + u8 idle_tssi_tgt_bgphy; + u16 boardflags; + u16 antennagain_aphy; + u16 antennagain_bgphy; +}; + +/* Value pair to measure the LocalOscillator. */ +struct bcm43xx_lopair { + s8 low; + s8 high; + u8 used:1; +}; +#define BCM43xx_LO_COUNT (14*4) + +struct bcm43xx_phyinfo { + /* Hardware Data */ + u8 version; + u8 type; + u8 rev; + u16 antenna_diversity; + u16 savedpctlreg; + u16 minlowsig[2]; + u16 minlowsigpos[2]; + u8 connected:1, + calibrated:1, + is_locked:1, /* used in bcm43xx_phy_{un}lock() */ + dyn_tssi_tbl:1; /* used in bcm43xx_phy_init_tssi2dbm_table() */ + /* LO Measurement Data. + * Use bcm43xx_get_lopair() to get a value. + */ + struct bcm43xx_lopair *_lo_pairs; + + /* TSSI to dBm table in use */ + const s8 *tssi2dbm; + /* idle TSSI value */ + s8 idle_tssi; + + /* Values from bcm43xx_calc_loopback_gain() */ + u16 loopback_gain[2]; + + /* PHY lock for core.rev < 3 + * This lock is only used by bcm43xx_phy_{un}lock() + */ + spinlock_t lock; +}; + + +struct bcm43xx_radioinfo { + u16 manufact; + u16 version; + u8 revision; + + /* Desired TX power in dBm Q5.2 */ + u16 txpower_desired; + /* TX Power control values. */ + union { + /* B/G PHY */ + struct { + u16 baseband_atten; + u16 radio_atten; + u16 txctl1; + u16 txctl2; + }; + /* A PHY */ + struct { + u16 txpwr_offset; + }; + }; + + /* Current Interference Mitigation mode */ + int interfmode; + /* Stack of saved values from the Interference Mitigation code. + * Each value in the stack is layed out as follows: + * bit 0-11: offset + * bit 12-15: register ID + * bit 16-32: value + * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT + */ +#define BCM43xx_INTERFSTACK_SIZE 26 + u32 interfstack[BCM43xx_INTERFSTACK_SIZE]; + + /* Saved values from the NRSSI Slope calculation */ + s16 nrssi[2]; + s32 nrssislope; + /* In memory nrssi lookup table. */ + s8 nrssi_lt[64]; + + /* current channel */ + u8 channel; + u8 initial_channel; + + u16 lofcal; + + u16 initval; + + u8 enabled:1; + /* ACI (adjacent channel interference) flags. */ + u8 aci_enable:1, + aci_wlan_automatic:1, + aci_hw_rssi:1; +}; + +/* Data structures for DMA transmission, per 80211 core. */ +struct bcm43xx_dma { + struct bcm43xx_dmaring *tx_ring0; + struct bcm43xx_dmaring *tx_ring1; + struct bcm43xx_dmaring *tx_ring2; + struct bcm43xx_dmaring *tx_ring3; + struct bcm43xx_dmaring *rx_ring0; + struct bcm43xx_dmaring *rx_ring1; /* only available on core.rev < 5 */ +}; + +/* Data structures for PIO transmission, per 80211 core. */ +struct bcm43xx_pio { + struct bcm43xx_pioqueue *queue0; + struct bcm43xx_pioqueue *queue1; + struct bcm43xx_pioqueue *queue2; + struct bcm43xx_pioqueue *queue3; +}; + +#define BCM43xx_MAX_80211_CORES 2 + +#ifdef CONFIG_BCM947XX +#define core_offset(bcm) (bcm)->current_core_offset +#else +#define core_offset(bcm) 0 +#endif + +/* Generic information about a core. */ +struct bcm43xx_coreinfo { + u8 available:1, + enabled:1, + initialized:1; + /** core_id ID number */ + u16 id; + /** core_rev revision number */ + u8 rev; + /** Index number for _switch_core() */ + u8 index; +}; + +/* Additional information for each 80211 core. */ +struct bcm43xx_coreinfo_80211 { + /* PHY device. */ + struct bcm43xx_phyinfo phy; + /* Radio device. */ + struct bcm43xx_radioinfo radio; + union { + /* DMA context. */ + struct bcm43xx_dma dma; + /* PIO context. */ + struct bcm43xx_pio pio; + }; +}; + +/* Context information for a noise calculation (Link Quality). */ +struct bcm43xx_noise_calculation { + struct bcm43xx_coreinfo *core_at_start; + u8 channel_at_start; + u8 calculation_running:1; + u8 nr_samples; + s8 samples[8][4]; +}; + +struct bcm43xx_stats { + u8 link_quality; + u8 noise; + struct iw_statistics wstats; + /* Store the last TX/RX times here for updating the leds. */ + unsigned long last_tx; + unsigned long last_rx; +}; + +struct bcm43xx_key { + u8 enabled:1; + u8 algorithm; +}; + +struct bcm43xx_private { + struct bcm43xx_sysfs sysfs; + + struct ieee80211_device *ieee; + struct ieee80211softmac_device *softmac; + + struct net_device *net_dev; + struct pci_dev *pci_dev; + unsigned int irq; + + void __iomem *mmio_addr; + unsigned int mmio_len; + + /* Do not use the lock directly. Use the bcm43xx_lock* helper + * functions, to be MMIO-safe. */ + spinlock_t _lock; + + /* Driver status flags. */ + u32 initialized:1, /* init_board() succeed */ + was_initialized:1, /* for PCI suspend/resume. */ + shutting_down:1, /* free_board() in progress */ + __using_pio:1, /* Internal, use bcm43xx_using_pio(). */ + bad_frames_preempt:1, /* Use "Bad Frames Preemption" (default off) */ + reg124_set_0x4:1, /* Some variable to keep track of IRQ stuff. */ + powersaving:1, /* TRUE if we are in PowerSaving mode. FALSE otherwise. */ + short_preamble:1, /* TRUE, if short preamble is enabled. */ + firmware_norelease:1; /* Do not release the firmware. Used on suspend. */ + + struct bcm43xx_stats stats; + + /* Bus type we are connected to. + * This is currently always BCM43xx_BUSTYPE_PCI + */ + u8 bustype; + + u16 board_vendor; + u16 board_type; + u16 board_revision; + + u16 chip_id; + u8 chip_rev; + u8 chip_package; + + struct bcm43xx_sprominfo sprom; +#define BCM43xx_NR_LEDS 4 + struct bcm43xx_led leds[BCM43xx_NR_LEDS]; + + /* The currently active core. */ + struct bcm43xx_coreinfo *current_core; +#ifdef CONFIG_BCM947XX + /** current core memory offset */ + u32 current_core_offset; +#endif + struct bcm43xx_coreinfo *active_80211_core; + /* coreinfo structs for all possible cores follow. + * Note that a core might not exist. + * So check the coreinfo flags before using it. + */ + struct bcm43xx_coreinfo core_chipcommon; + struct bcm43xx_coreinfo core_pci; + struct bcm43xx_coreinfo core_80211[ BCM43xx_MAX_80211_CORES ]; + /* Additional information, specific to the 80211 cores. */ + struct bcm43xx_coreinfo_80211 core_80211_ext[ BCM43xx_MAX_80211_CORES ]; + /* Index of the current 80211 core. If current_core is not + * an 80211 core, this is -1. + */ + int current_80211_core_idx; + /* Number of available 80211 cores. */ + int nr_80211_available; + + u32 chipcommon_capabilities; + + /* Reason code of the last interrupt. */ + u32 irq_reason; + u32 dma_reason[4]; + /* saved irq enable/disable state bitfield. */ + u32 irq_savedstate; + /* Link Quality calculation context. */ + struct bcm43xx_noise_calculation noisecalc; + + /* Threshold values. */ + //TODO: The RTS thr has to be _used_. Currently, it is only set via WX. + u32 rts_threshold; + + /* Interrupt Service Routine tasklet (bottom-half) */ + struct tasklet_struct isr_tasklet; + + /* Periodic tasks */ + struct timer_list periodic_tasks; + unsigned int periodic_state; + + struct work_struct restart_work; + + /* Informational stuff. */ + char nick[IW_ESSID_MAX_SIZE + 1]; + + /* encryption/decryption */ + u16 security_offset; + struct bcm43xx_key key[54]; + u8 default_key_idx; + + /* Firmware. */ + const struct firmware *ucode; + const struct firmware *pcm; + const struct firmware *initvals0; + const struct firmware *initvals1; + + /* Debugging stuff follows. */ +#ifdef CONFIG_BCM43XX_DEBUG + struct bcm43xx_dfsentry *dfsentry; +#endif +}; + +/* bcm43xx_(un)lock() protect struct bcm43xx_private. + * Note that _NO_ MMIO writes are allowed. If you want to + * write to the device through MMIO in the critical section, use + * the *_mmio lock functions. + * MMIO read-access is allowed, though. + */ +#define bcm43xx_lock(bcm, flags) spin_lock_irqsave(&(bcm)->_lock, flags) +#define bcm43xx_unlock(bcm, flags) spin_unlock_irqrestore(&(bcm)->_lock, flags) +/* bcm43xx_(un)lock_mmio() protect struct bcm43xx_private and MMIO. + * MMIO write-access to the device is allowed. + * All MMIO writes are flushed on unlock, so it is guaranteed to not + * interfere with other threads writing MMIO registers. + */ +#define bcm43xx_lock_mmio(bcm, flags) bcm43xx_lock(bcm, flags) +#define bcm43xx_unlock_mmio(bcm, flags) do { mmiowb(); bcm43xx_unlock(bcm, flags); } while (0) + +static inline +struct bcm43xx_private * bcm43xx_priv(struct net_device *dev) +{ + return ieee80211softmac_priv(dev); +} + + +/* Helper function, which returns a boolean. + * TRUE, if PIO is used; FALSE, if DMA is used. + */ +#if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO) +static inline +int bcm43xx_using_pio(struct bcm43xx_private *bcm) +{ + return bcm->__using_pio; +} +#elif defined(CONFIG_BCM43XX_DMA) +static inline +int bcm43xx_using_pio(struct bcm43xx_private *bcm) +{ + return 0; +} +#elif defined(CONFIG_BCM43XX_PIO) +static inline +int bcm43xx_using_pio(struct bcm43xx_private *bcm) +{ + return 1; +} +#else +# error "Using neither DMA nor PIO? Confused..." +#endif + +/* Helper functions to access data structures private to the 80211 cores. + * Note that we _must_ have an 80211 core mapped when calling + * any of these functions. + */ +static inline +struct bcm43xx_pio * bcm43xx_current_pio(struct bcm43xx_private *bcm) +{ + assert(bcm43xx_using_pio(bcm)); + assert(bcm->current_80211_core_idx >= 0); + assert(bcm->current_80211_core_idx < BCM43xx_MAX_80211_CORES); + return &(bcm->core_80211_ext[bcm->current_80211_core_idx].pio); +} +static inline +struct bcm43xx_dma * bcm43xx_current_dma(struct bcm43xx_private *bcm) +{ + assert(!bcm43xx_using_pio(bcm)); + assert(bcm->current_80211_core_idx >= 0); + assert(bcm->current_80211_core_idx < BCM43xx_MAX_80211_CORES); + return &(bcm->core_80211_ext[bcm->current_80211_core_idx].dma); +} +static inline +struct bcm43xx_phyinfo * bcm43xx_current_phy(struct bcm43xx_private *bcm) +{ + assert(bcm->current_80211_core_idx >= 0); + assert(bcm->current_80211_core_idx < BCM43xx_MAX_80211_CORES); + return &(bcm->core_80211_ext[bcm->current_80211_core_idx].phy); +} +static inline +struct bcm43xx_radioinfo * bcm43xx_current_radio(struct bcm43xx_private *bcm) +{ + assert(bcm->current_80211_core_idx >= 0); + assert(bcm->current_80211_core_idx < BCM43xx_MAX_80211_CORES); + return &(bcm->core_80211_ext[bcm->current_80211_core_idx].radio); +} + +/* Are we running in init_board() context? */ +static inline +int bcm43xx_is_initializing(struct bcm43xx_private *bcm) +{ + if (bcm->initialized) + return 0; + if (bcm->shutting_down) + return 0; + return 1; +} + +static inline +struct bcm43xx_lopair * bcm43xx_get_lopair(struct bcm43xx_phyinfo *phy, + u16 radio_attenuation, + u16 baseband_attenuation) +{ + return phy->_lo_pairs + (radio_attenuation + 14 * (baseband_attenuation / 2)); +} + + +static inline +u16 bcm43xx_read16(struct bcm43xx_private *bcm, u16 offset) +{ + return ioread16(bcm->mmio_addr + core_offset(bcm) + offset); +} + +static inline +void bcm43xx_write16(struct bcm43xx_private *bcm, u16 offset, u16 value) +{ + iowrite16(value, bcm->mmio_addr + core_offset(bcm) + offset); +} + +static inline +u32 bcm43xx_read32(struct bcm43xx_private *bcm, u16 offset) +{ + return ioread32(bcm->mmio_addr + core_offset(bcm) + offset); +} + +static inline +void bcm43xx_write32(struct bcm43xx_private *bcm, u16 offset, u32 value) +{ + iowrite32(value, bcm->mmio_addr + core_offset(bcm) + offset); +} + +static inline +int bcm43xx_pci_read_config16(struct bcm43xx_private *bcm, int offset, u16 *value) +{ + return pci_read_config_word(bcm->pci_dev, offset, value); +} + +static inline +int bcm43xx_pci_read_config32(struct bcm43xx_private *bcm, int offset, u32 *value) +{ + return pci_read_config_dword(bcm->pci_dev, offset, value); +} + +static inline +int bcm43xx_pci_write_config16(struct bcm43xx_private *bcm, int offset, u16 value) +{ + return pci_write_config_word(bcm->pci_dev, offset, value); +} + +static inline +int bcm43xx_pci_write_config32(struct bcm43xx_private *bcm, int offset, u32 value) +{ + return pci_write_config_dword(bcm->pci_dev, offset, value); +} + +/** Limit a value between two limits */ +#ifdef limit_value +# undef limit_value +#endif +#define limit_value(value, min, max) \ + ({ \ + typeof(value) __value = (value); \ + typeof(value) __min = (min); \ + typeof(value) __max = (max); \ + if (__value < __min) \ + __value = __min; \ + else if (__value > __max) \ + __value = __max; \ + __value; \ + }) + +/** Helpers to print MAC addresses. */ +#define BCM43xx_MACFMT "%02x:%02x:%02x:%02x:%02x:%02x" +#define BCM43xx_MACARG(x) ((u8*)(x))[0], ((u8*)(x))[1], \ + ((u8*)(x))[2], ((u8*)(x))[3], \ + ((u8*)(x))[4], ((u8*)(x))[5] + +#endif /* BCM43xx_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c new file mode 100644 index 00000000000..d2c3401e9b7 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c @@ -0,0 +1,499 @@ +/* + + Broadcom BCM43xx wireless driver + + debugfs driver debugging code + + Copyright (c) 2005 Michael Buesch <mbuesch@freenet.de> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + + + +#include <linux/fs.h> +#include <linux/debugfs.h> +#include <linux/slab.h> +#include <linux/netdevice.h> +#include <linux/pci.h> +#include <asm/io.h> + +#include "bcm43xx.h" +#include "bcm43xx_main.h" +#include "bcm43xx_debugfs.h" +#include "bcm43xx_dma.h" +#include "bcm43xx_pio.h" +#include "bcm43xx_xmit.h" + +#define REALLY_BIG_BUFFER_SIZE (1024*256) + +static struct bcm43xx_debugfs fs; +static char really_big_buffer[REALLY_BIG_BUFFER_SIZE]; +static DECLARE_MUTEX(big_buffer_sem); + + +static ssize_t write_file_dummy(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + return count; +} + +static int open_file_generic(struct inode *inode, struct file *file) +{ + file->private_data = inode->u.generic_ip; + return 0; +} + +#define fappend(fmt, x...) pos += snprintf(buf + pos, len - pos, fmt , ##x) + +static ssize_t devinfo_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + const size_t len = REALLY_BIG_BUFFER_SIZE; + + struct bcm43xx_private *bcm = file->private_data; + char *buf = really_big_buffer; + size_t pos = 0; + ssize_t res; + struct net_device *net_dev; + struct pci_dev *pci_dev; + unsigned long flags; + u16 tmp16; + int i; + + down(&big_buffer_sem); + + bcm43xx_lock_mmio(bcm, flags); + if (!bcm->initialized) { + fappend("Board not initialized.\n"); + goto out; + } + net_dev = bcm->net_dev; + pci_dev = bcm->pci_dev; + + /* This is where the information is written to the "devinfo" file */ + fappend("*** %s devinfo ***\n", net_dev->name); + fappend("vendor: 0x%04x device: 0x%04x\n", + pci_dev->vendor, pci_dev->device); + fappend("subsystem_vendor: 0x%04x subsystem_device: 0x%04x\n", + pci_dev->subsystem_vendor, pci_dev->subsystem_device); + fappend("IRQ: %d\n", bcm->irq); + fappend("mmio_addr: 0x%p mmio_len: %u\n", bcm->mmio_addr, bcm->mmio_len); + fappend("chip_id: 0x%04x chip_rev: 0x%02x\n", bcm->chip_id, bcm->chip_rev); + if ((bcm->core_80211[0].rev >= 3) && (bcm43xx_read32(bcm, 0x0158) & (1 << 16))) + fappend("Radio disabled by hardware!\n"); + if ((bcm->core_80211[0].rev < 3) && !(bcm43xx_read16(bcm, 0x049A) & (1 << 4))) + fappend("Radio disabled by hardware!\n"); + fappend("board_vendor: 0x%04x board_type: 0x%04x\n", bcm->board_vendor, + bcm->board_type); + + fappend("\nCores:\n"); +#define fappend_core(name, info) fappend("core \"" name "\" %s, %s, id: 0x%04x, " \ + "rev: 0x%02x, index: 0x%02x\n", \ + (info).available \ + ? "available" : "nonavailable", \ + (info).enabled \ + ? "enabled" : "disabled", \ + (info).id, (info).rev, (info).index) + fappend_core("CHIPCOMMON", bcm->core_chipcommon); + fappend_core("PCI", bcm->core_pci); + fappend_core("first 80211", bcm->core_80211[0]); + fappend_core("second 80211", bcm->core_80211[1]); +#undef fappend_core + tmp16 = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); + fappend("LEDs: "); + for (i = 0; i < BCM43xx_NR_LEDS; i++) + fappend("%d ", !!(tmp16 & (1 << i))); + fappend("\n"); + +out: + bcm43xx_unlock_mmio(bcm, flags); + res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); + up(&big_buffer_sem); + return res; +} + +static ssize_t drvinfo_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + const size_t len = REALLY_BIG_BUFFER_SIZE; + + char *buf = really_big_buffer; + size_t pos = 0; + ssize_t res; + + down(&big_buffer_sem); + + /* This is where the information is written to the "driver" file */ + fappend(KBUILD_MODNAME " driver\n"); + fappend("Compiled at: %s %s\n", __DATE__, __TIME__); + + res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); + up(&big_buffer_sem); + return res; +} + +static ssize_t spromdump_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + const size_t len = REALLY_BIG_BUFFER_SIZE; + + struct bcm43xx_private *bcm = file->private_data; + char *buf = really_big_buffer; + size_t pos = 0; + ssize_t res; + unsigned long flags; + + down(&big_buffer_sem); + bcm43xx_lock_mmio(bcm, flags); + if (!bcm->initialized) { + fappend("Board not initialized.\n"); + goto out; + } + + /* This is where the information is written to the "sprom_dump" file */ + fappend("boardflags: 0x%04x\n", bcm->sprom.boardflags); + +out: + bcm43xx_unlock_mmio(bcm, flags); + res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); + up(&big_buffer_sem); + return res; +} + +static ssize_t tsf_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + const size_t len = REALLY_BIG_BUFFER_SIZE; + + struct bcm43xx_private *bcm = file->private_data; + char *buf = really_big_buffer; + size_t pos = 0; + ssize_t res; + unsigned long flags; + u64 tsf; + + down(&big_buffer_sem); + bcm43xx_lock_mmio(bcm, flags); + if (!bcm->initialized) { + fappend("Board not initialized.\n"); + goto out; + } + bcm43xx_tsf_read(bcm, &tsf); + fappend("0x%08x%08x\n", + (unsigned int)((tsf & 0xFFFFFFFF00000000ULL) >> 32), + (unsigned int)(tsf & 0xFFFFFFFFULL)); + +out: + bcm43xx_unlock_mmio(bcm, flags); + res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); + up(&big_buffer_sem); + return res; +} + +static ssize_t tsf_write_file(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct bcm43xx_private *bcm = file->private_data; + char *buf = really_big_buffer; + ssize_t buf_size; + ssize_t res; + unsigned long flags; + u64 tsf; + + buf_size = min(count, sizeof (really_big_buffer) - 1); + down(&big_buffer_sem); + if (copy_from_user(buf, user_buf, buf_size)) { + res = -EFAULT; + goto out_up; + } + bcm43xx_lock_mmio(bcm, flags); + if (!bcm->initialized) { + printk(KERN_INFO PFX "debugfs: Board not initialized.\n"); + res = -EFAULT; + goto out_unlock; + } + if (sscanf(buf, "%lli", &tsf) != 1) { + printk(KERN_INFO PFX "debugfs: invalid values for \"tsf\"\n"); + res = -EINVAL; + goto out_unlock; + } + bcm43xx_tsf_write(bcm, tsf); + res = buf_size; + +out_unlock: + bcm43xx_unlock_mmio(bcm, flags); +out_up: + up(&big_buffer_sem); + return res; +} + +static ssize_t txstat_read_file(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + const size_t len = REALLY_BIG_BUFFER_SIZE; + + struct bcm43xx_private *bcm = file->private_data; + char *buf = really_big_buffer; + size_t pos = 0; + ssize_t res; + unsigned long flags; + struct bcm43xx_dfsentry *e; + struct bcm43xx_xmitstatus *status; + int i, cnt, j = 0; + + down(&big_buffer_sem); + bcm43xx_lock(bcm, flags); + + fappend("Last %d logged xmitstatus blobs (Latest first):\n\n", + BCM43xx_NR_LOGGED_XMITSTATUS); + e = bcm->dfsentry; + if (e->xmitstatus_printing == 0) { + /* At the beginning, make a copy of all data to avoid + * concurrency, as this function is called multiple + * times for big logs. Without copying, the data might + * change between reads. This would result in total trash. + */ + e->xmitstatus_printing = 1; + e->saved_xmitstatus_ptr = e->xmitstatus_ptr; + e->saved_xmitstatus_cnt = e->xmitstatus_cnt; + memcpy(e->xmitstatus_print_buffer, e->xmitstatus_buffer, + BCM43xx_NR_LOGGED_XMITSTATUS * sizeof(*(e->xmitstatus_buffer))); + } + i = e->saved_xmitstatus_ptr - 1; + if (i < 0) + i = BCM43xx_NR_LOGGED_XMITSTATUS - 1; + cnt = e->saved_xmitstatus_cnt; + while (cnt) { + status = e->xmitstatus_print_buffer + i; + fappend("0x%02x: cookie: 0x%04x, flags: 0x%02x, " + "cnt1: 0x%02x, cnt2: 0x%02x, seq: 0x%04x, " + "unk: 0x%04x\n", j, + status->cookie, status->flags, + status->cnt1, status->cnt2, status->seq, + status->unknown); + j++; + cnt--; + i--; + if (i < 0) + i = BCM43xx_NR_LOGGED_XMITSTATUS - 1; + } + + bcm43xx_unlock(bcm, flags); + res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); + bcm43xx_lock(bcm, flags); + if (*ppos == pos) { + /* Done. Drop the copied data. */ + e->xmitstatus_printing = 0; + } + bcm43xx_unlock(bcm, flags); + up(&big_buffer_sem); + return res; +} + +#undef fappend + + +static struct file_operations devinfo_fops = { + .read = devinfo_read_file, + .write = write_file_dummy, + .open = open_file_generic, +}; + +static struct file_operations spromdump_fops = { + .read = spromdump_read_file, + .write = write_file_dummy, + .open = open_file_generic, +}; + +static struct file_operations drvinfo_fops = { + .read = drvinfo_read_file, + .write = write_file_dummy, + .open = open_file_generic, +}; + +static struct file_operations tsf_fops = { + .read = tsf_read_file, + .write = tsf_write_file, + .open = open_file_generic, +}; + +static struct file_operations txstat_fops = { + .read = txstat_read_file, + .write = write_file_dummy, + .open = open_file_generic, +}; + + +void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm) +{ + struct bcm43xx_dfsentry *e; + char devdir[IFNAMSIZ]; + + assert(bcm); + e = kzalloc(sizeof(*e), GFP_KERNEL); + if (!e) { + printk(KERN_ERR PFX "out of memory\n"); + return; + } + e->bcm = bcm; + e->xmitstatus_buffer = kzalloc(BCM43xx_NR_LOGGED_XMITSTATUS + * sizeof(*(e->xmitstatus_buffer)), + GFP_KERNEL); + if (!e->xmitstatus_buffer) { + printk(KERN_ERR PFX "out of memory\n"); + kfree(e); + return; + } + e->xmitstatus_print_buffer = kzalloc(BCM43xx_NR_LOGGED_XMITSTATUS + * sizeof(*(e->xmitstatus_buffer)), + GFP_KERNEL); + if (!e->xmitstatus_print_buffer) { + printk(KERN_ERR PFX "out of memory\n"); + kfree(e); + return; + } + + + bcm->dfsentry = e; + + strncpy(devdir, bcm->net_dev->name, ARRAY_SIZE(devdir)); + e->subdir = debugfs_create_dir(devdir, fs.root); + e->dentry_devinfo = debugfs_create_file("devinfo", 0444, e->subdir, + bcm, &devinfo_fops); + if (!e->dentry_devinfo) + printk(KERN_ERR PFX "debugfs: creating \"devinfo\" for \"%s\" failed!\n", devdir); + e->dentry_spromdump = debugfs_create_file("sprom_dump", 0444, e->subdir, + bcm, &spromdump_fops); + if (!e->dentry_spromdump) + printk(KERN_ERR PFX "debugfs: creating \"sprom_dump\" for \"%s\" failed!\n", devdir); + e->dentry_tsf = debugfs_create_file("tsf", 0666, e->subdir, + bcm, &tsf_fops); + if (!e->dentry_tsf) + printk(KERN_ERR PFX "debugfs: creating \"tsf\" for \"%s\" failed!\n", devdir); + e->dentry_txstat = debugfs_create_file("tx_status", 0444, e->subdir, + bcm, &txstat_fops); + if (!e->dentry_txstat) + printk(KERN_ERR PFX "debugfs: creating \"tx_status\" for \"%s\" failed!\n", devdir); +} + +void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm) +{ + struct bcm43xx_dfsentry *e; + + if (!bcm) + return; + + e = bcm->dfsentry; + assert(e); + debugfs_remove(e->dentry_spromdump); + debugfs_remove(e->dentry_devinfo); + debugfs_remove(e->dentry_tsf); + debugfs_remove(e->dentry_txstat); + debugfs_remove(e->subdir); + kfree(e->xmitstatus_buffer); + kfree(e->xmitstatus_print_buffer); + kfree(e); +} + +void bcm43xx_debugfs_log_txstat(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status) +{ + struct bcm43xx_dfsentry *e; + struct bcm43xx_xmitstatus *savedstatus; + + /* This is protected by bcm->_lock */ + e = bcm->dfsentry; + assert(e); + savedstatus = e->xmitstatus_buffer + e->xmitstatus_ptr; + memcpy(savedstatus, status, sizeof(*status)); + e->xmitstatus_ptr++; + if (e->xmitstatus_ptr >= BCM43xx_NR_LOGGED_XMITSTATUS) + e->xmitstatus_ptr = 0; + if (e->xmitstatus_cnt < BCM43xx_NR_LOGGED_XMITSTATUS) + e->xmitstatus_cnt++; +} + +void bcm43xx_debugfs_init(void) +{ + memset(&fs, 0, sizeof(fs)); + fs.root = debugfs_create_dir(KBUILD_MODNAME, NULL); + if (!fs.root) + printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "\" subdir failed!\n"); + fs.dentry_driverinfo = debugfs_create_file("driver", 0444, fs.root, NULL, &drvinfo_fops); + if (!fs.dentry_driverinfo) + printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "/driver\" failed!\n"); +} + +void bcm43xx_debugfs_exit(void) +{ + debugfs_remove(fs.dentry_driverinfo); + debugfs_remove(fs.root); +} + +void bcm43xx_printk_dump(const char *data, + size_t size, + const char *description) +{ + size_t i; + char c; + + printk(KERN_INFO PFX "Data dump (%s, %u bytes):", + description, size); + for (i = 0; i < size; i++) { + c = data[i]; + if (i % 8 == 0) + printk("\n" KERN_INFO PFX "0x%08x: 0x%02x, ", i, c & 0xff); + else + printk("0x%02x, ", c & 0xff); + } + printk("\n"); +} + +void bcm43xx_printk_bitdump(const unsigned char *data, + size_t bytes, int msb_to_lsb, + const char *description) +{ + size_t i; + int j; + const unsigned char *d; + + printk(KERN_INFO PFX "*** Bitdump (%s, %u bytes, %s) ***", + description, bytes, msb_to_lsb ? "MSB to LSB" : "LSB to MSB"); + for (i = 0; i < bytes; i++) { + d = data + i; + if (i % 8 == 0) + printk("\n" KERN_INFO PFX "0x%08x: ", i); + if (msb_to_lsb) { + for (j = 7; j >= 0; j--) { + if (*d & (1 << j)) + printk("1"); + else + printk("0"); + } + } else { + for (j = 0; j < 8; j++) { + if (*d & (1 << j)) + printk("1"); + else + printk("0"); + } + } + printk(" "); + } + printk("\n"); +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.h b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.h new file mode 100644 index 00000000000..50ce267f794 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.h @@ -0,0 +1,117 @@ +#ifndef BCM43xx_DEBUGFS_H_ +#define BCM43xx_DEBUGFS_H_ + +struct bcm43xx_private; +struct bcm43xx_xmitstatus; + +#ifdef CONFIG_BCM43XX_DEBUG + +#include <linux/list.h> +#include <asm/semaphore.h> + +struct dentry; + +/* limited by the size of the "really_big_buffer" */ +#define BCM43xx_NR_LOGGED_XMITSTATUS 100 + +struct bcm43xx_dfsentry { + struct dentry *subdir; + struct dentry *dentry_devinfo; + struct dentry *dentry_spromdump; + struct dentry *dentry_tsf; + struct dentry *dentry_txstat; + + struct bcm43xx_private *bcm; + + /* saved xmitstatus. */ + struct bcm43xx_xmitstatus *xmitstatus_buffer; + int xmitstatus_ptr; + int xmitstatus_cnt; + /* We need a seperate buffer while printing to avoid + * concurrency issues. (New xmitstatus can arrive + * while we are printing). + */ + struct bcm43xx_xmitstatus *xmitstatus_print_buffer; + int saved_xmitstatus_ptr; + int saved_xmitstatus_cnt; + int xmitstatus_printing; +}; + +struct bcm43xx_debugfs { + struct dentry *root; + struct dentry *dentry_driverinfo; +}; + +void bcm43xx_debugfs_init(void); +void bcm43xx_debugfs_exit(void); +void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm); +void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm); +void bcm43xx_debugfs_log_txstat(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status); + +/* Debug helper: Dump binary data through printk. */ +void bcm43xx_printk_dump(const char *data, + size_t size, + const char *description); +/* Debug helper: Dump bitwise binary data through printk. */ +void bcm43xx_printk_bitdump(const unsigned char *data, + size_t bytes, int msb_to_lsb, + const char *description); +#define bcm43xx_printk_bitdumpt(pointer, msb_to_lsb, description) \ + do { \ + bcm43xx_printk_bitdump((const unsigned char *)(pointer), \ + sizeof(*(pointer)), \ + (msb_to_lsb), \ + (description)); \ + } while (0) + +#else /* CONFIG_BCM43XX_DEBUG*/ + +static inline +void bcm43xx_debugfs_init(void) { } +static inline +void bcm43xx_debugfs_exit(void) { } +static inline +void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm) { } +static inline +void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm) { } +static inline +void bcm43xx_debugfs_log_txstat(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status) { } + +static inline +void bcm43xx_printk_dump(const char *data, + size_t size, + const char *description) +{ +} +static inline +void bcm43xx_printk_bitdump(const unsigned char *data, + size_t bytes, int msb_to_lsb, + const char *description) +{ +} +#define bcm43xx_printk_bitdumpt(pointer, msb_to_lsb, description) do { /* nothing */ } while (0) + +#endif /* CONFIG_BCM43XX_DEBUG*/ + +/* Ugly helper macros to make incomplete code more verbose on runtime */ +#ifdef TODO +# undef TODO +#endif +#define TODO() \ + do { \ + printk(KERN_INFO PFX "TODO: Incomplete code in %s() at %s:%d\n", \ + __FUNCTION__, __FILE__, __LINE__); \ + } while (0) + +#ifdef FIXME +# undef FIXME +#endif +#define FIXME() \ + do { \ + printk(KERN_INFO PFX "FIXME: Possibly broken code in %s() at %s:%d\n", \ + __FUNCTION__, __FILE__, __LINE__); \ + } while (0) + +#endif /* BCM43xx_DEBUGFS_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c new file mode 100644 index 00000000000..c3681b8f09b --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c @@ -0,0 +1,968 @@ +/* + + Broadcom BCM43xx wireless driver + + DMA ringbuffer and descriptor allocation/management + + Copyright (c) 2005 Michael Buesch <mbuesch@freenet.de> + + Some code in this file is derived from the b44.c driver + Copyright (C) 2002 David S. Miller + Copyright (C) Pekka Pietikainen + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "bcm43xx.h" +#include "bcm43xx_dma.h" +#include "bcm43xx_main.h" +#include "bcm43xx_debugfs.h" +#include "bcm43xx_power.h" +#include "bcm43xx_xmit.h" + +#include <linux/dma-mapping.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/skbuff.h> + + +static inline int free_slots(struct bcm43xx_dmaring *ring) +{ + return (ring->nr_slots - ring->used_slots); +} + +static inline int next_slot(struct bcm43xx_dmaring *ring, int slot) +{ + assert(slot >= -1 && slot <= ring->nr_slots - 1); + if (slot == ring->nr_slots - 1) + return 0; + return slot + 1; +} + +static inline int prev_slot(struct bcm43xx_dmaring *ring, int slot) +{ + assert(slot >= 0 && slot <= ring->nr_slots - 1); + if (slot == 0) + return ring->nr_slots - 1; + return slot - 1; +} + +/* Request a slot for usage. */ +static inline +int request_slot(struct bcm43xx_dmaring *ring) +{ + int slot; + + assert(ring->tx); + assert(!ring->suspended); + assert(free_slots(ring) != 0); + + slot = next_slot(ring, ring->current_slot); + ring->current_slot = slot; + ring->used_slots++; + + /* Check the number of available slots and suspend TX, + * if we are running low on free slots. + */ + if (unlikely(free_slots(ring) < ring->suspend_mark)) { + netif_stop_queue(ring->bcm->net_dev); + ring->suspended = 1; + } +#ifdef CONFIG_BCM43XX_DEBUG + if (ring->used_slots > ring->max_used_slots) + ring->max_used_slots = ring->used_slots; +#endif /* CONFIG_BCM43XX_DEBUG*/ + + return slot; +} + +/* Return a slot to the free slots. */ +static inline +void return_slot(struct bcm43xx_dmaring *ring, int slot) +{ + assert(ring->tx); + + ring->used_slots--; + + /* Check if TX is suspended and check if we have + * enough free slots to resume it again. + */ + if (unlikely(ring->suspended)) { + if (free_slots(ring) >= ring->resume_mark) { + ring->suspended = 0; + netif_wake_queue(ring->bcm->net_dev); + } + } +} + +static inline +dma_addr_t map_descbuffer(struct bcm43xx_dmaring *ring, + unsigned char *buf, + size_t len, + int tx) +{ + dma_addr_t dmaaddr; + + if (tx) { + dmaaddr = dma_map_single(&ring->bcm->pci_dev->dev, + buf, len, + DMA_TO_DEVICE); + } else { + dmaaddr = dma_map_single(&ring->bcm->pci_dev->dev, + buf, len, + DMA_FROM_DEVICE); + } + + return dmaaddr; +} + +static inline +void unmap_descbuffer(struct bcm43xx_dmaring *ring, + dma_addr_t addr, + size_t len, + int tx) +{ + if (tx) { + dma_unmap_single(&ring->bcm->pci_dev->dev, + addr, len, + DMA_TO_DEVICE); + } else { + dma_unmap_single(&ring->bcm->pci_dev->dev, + addr, len, + DMA_FROM_DEVICE); + } +} + +static inline +void sync_descbuffer_for_cpu(struct bcm43xx_dmaring *ring, + dma_addr_t addr, + size_t len) +{ + assert(!ring->tx); + + dma_sync_single_for_cpu(&ring->bcm->pci_dev->dev, + addr, len, DMA_FROM_DEVICE); +} + +static inline +void sync_descbuffer_for_device(struct bcm43xx_dmaring *ring, + dma_addr_t addr, + size_t len) +{ + assert(!ring->tx); + + dma_sync_single_for_device(&ring->bcm->pci_dev->dev, + addr, len, DMA_FROM_DEVICE); +} + +/* Unmap and free a descriptor buffer. */ +static inline +void free_descriptor_buffer(struct bcm43xx_dmaring *ring, + struct bcm43xx_dmadesc *desc, + struct bcm43xx_dmadesc_meta *meta, + int irq_context) +{ + assert(meta->skb); + if (irq_context) + dev_kfree_skb_irq(meta->skb); + else + dev_kfree_skb(meta->skb); + meta->skb = NULL; +} + +static int alloc_ringmemory(struct bcm43xx_dmaring *ring) +{ + struct device *dev = &(ring->bcm->pci_dev->dev); + + ring->vbase = dma_alloc_coherent(dev, BCM43xx_DMA_RINGMEMSIZE, + &(ring->dmabase), GFP_KERNEL); + if (!ring->vbase) { + printk(KERN_ERR PFX "DMA ringmemory allocation failed\n"); + return -ENOMEM; + } + if (ring->dmabase + BCM43xx_DMA_RINGMEMSIZE > BCM43xx_DMA_BUSADDRMAX) { + printk(KERN_ERR PFX ">>>FATAL ERROR<<< DMA RINGMEMORY >1G " + "(0x%08x, len: %lu)\n", + ring->dmabase, BCM43xx_DMA_RINGMEMSIZE); + dma_free_coherent(dev, BCM43xx_DMA_RINGMEMSIZE, + ring->vbase, ring->dmabase); + return -ENOMEM; + } + assert(!(ring->dmabase & 0x000003FF)); + memset(ring->vbase, 0, BCM43xx_DMA_RINGMEMSIZE); + + return 0; +} + +static void free_ringmemory(struct bcm43xx_dmaring *ring) +{ + struct device *dev = &(ring->bcm->pci_dev->dev); + + dma_free_coherent(dev, BCM43xx_DMA_RINGMEMSIZE, + ring->vbase, ring->dmabase); +} + +/* Reset the RX DMA channel */ +int bcm43xx_dmacontroller_rx_reset(struct bcm43xx_private *bcm, + u16 mmio_base) +{ + int i; + u32 value; + + bcm43xx_write32(bcm, + mmio_base + BCM43xx_DMA_RX_CONTROL, + 0x00000000); + for (i = 0; i < 1000; i++) { + value = bcm43xx_read32(bcm, + mmio_base + BCM43xx_DMA_RX_STATUS); + value &= BCM43xx_DMA_RXSTAT_STAT_MASK; + if (value == BCM43xx_DMA_RXSTAT_STAT_DISABLED) { + i = -1; + break; + } + udelay(10); + } + if (i != -1) { + printk(KERN_ERR PFX "Error: Wait on DMA RX status timed out.\n"); + return -ENODEV; + } + + return 0; +} + +/* Reset the RX DMA channel */ +int bcm43xx_dmacontroller_tx_reset(struct bcm43xx_private *bcm, + u16 mmio_base) +{ + int i; + u32 value; + + for (i = 0; i < 1000; i++) { + value = bcm43xx_read32(bcm, + mmio_base + BCM43xx_DMA_TX_STATUS); + value &= BCM43xx_DMA_TXSTAT_STAT_MASK; + if (value == BCM43xx_DMA_TXSTAT_STAT_DISABLED || + value == BCM43xx_DMA_TXSTAT_STAT_IDLEWAIT || + value == BCM43xx_DMA_TXSTAT_STAT_STOPPED) + break; + udelay(10); + } + bcm43xx_write32(bcm, + mmio_base + BCM43xx_DMA_TX_CONTROL, + 0x00000000); + for (i = 0; i < 1000; i++) { + value = bcm43xx_read32(bcm, + mmio_base + BCM43xx_DMA_TX_STATUS); + value &= BCM43xx_DMA_TXSTAT_STAT_MASK; + if (value == BCM43xx_DMA_TXSTAT_STAT_DISABLED) { + i = -1; + break; + } + udelay(10); + } + if (i != -1) { + printk(KERN_ERR PFX "Error: Wait on DMA TX status timed out.\n"); + return -ENODEV; + } + /* ensure the reset is completed. */ + udelay(300); + + return 0; +} + +static int setup_rx_descbuffer(struct bcm43xx_dmaring *ring, + struct bcm43xx_dmadesc *desc, + struct bcm43xx_dmadesc_meta *meta, + gfp_t gfp_flags) +{ + struct bcm43xx_rxhdr *rxhdr; + dma_addr_t dmaaddr; + u32 desc_addr; + u32 desc_ctl; + const int slot = (int)(desc - ring->vbase); + struct sk_buff *skb; + + assert(slot >= 0 && slot < ring->nr_slots); + assert(!ring->tx); + + skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); + if (unlikely(!skb)) + return -ENOMEM; + dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0); + if (unlikely(dmaaddr + ring->rx_buffersize > BCM43xx_DMA_BUSADDRMAX)) { + unmap_descbuffer(ring, dmaaddr, ring->rx_buffersize, 0); + dev_kfree_skb_any(skb); + printk(KERN_ERR PFX ">>>FATAL ERROR<<< DMA RX SKB >1G " + "(0x%08x, len: %u)\n", + dmaaddr, ring->rx_buffersize); + return -ENOMEM; + } + meta->skb = skb; + meta->dmaaddr = dmaaddr; + skb->dev = ring->bcm->net_dev; + desc_addr = (u32)(dmaaddr + ring->memoffset); + desc_ctl = (BCM43xx_DMADTOR_BYTECNT_MASK & + (u32)(ring->rx_buffersize - ring->frameoffset)); + if (slot == ring->nr_slots - 1) + desc_ctl |= BCM43xx_DMADTOR_DTABLEEND; + set_desc_addr(desc, desc_addr); + set_desc_ctl(desc, desc_ctl); + + rxhdr = (struct bcm43xx_rxhdr *)(skb->data); + rxhdr->frame_length = 0; + rxhdr->flags1 = 0; + + return 0; +} + +/* Allocate the initial descbuffers. + * This is used for an RX ring only. + */ +static int alloc_initial_descbuffers(struct bcm43xx_dmaring *ring) +{ + int i, err = -ENOMEM; + struct bcm43xx_dmadesc *desc; + struct bcm43xx_dmadesc_meta *meta; + + for (i = 0; i < ring->nr_slots; i++) { + desc = ring->vbase + i; + meta = ring->meta + i; + + err = setup_rx_descbuffer(ring, desc, meta, GFP_KERNEL); + if (err) + goto err_unwind; + } + ring->used_slots = ring->nr_slots; + err = 0; +out: + return err; + +err_unwind: + for (i--; i >= 0; i--) { + desc = ring->vbase + i; + meta = ring->meta + i; + + unmap_descbuffer(ring, meta->dmaaddr, ring->rx_buffersize, 0); + dev_kfree_skb(meta->skb); + } + goto out; +} + +/* Do initial setup of the DMA controller. + * Reset the controller, write the ring busaddress + * and switch the "enable" bit on. + */ +static int dmacontroller_setup(struct bcm43xx_dmaring *ring) +{ + int err = 0; + u32 value; + + if (ring->tx) { + /* Set Transmit Control register to "transmit enable" */ + bcm43xx_dma_write(ring, BCM43xx_DMA_TX_CONTROL, + BCM43xx_DMA_TXCTRL_ENABLE); + /* Set Transmit Descriptor ring address. */ + bcm43xx_dma_write(ring, BCM43xx_DMA_TX_DESC_RING, + ring->dmabase + ring->memoffset); + } else { + err = alloc_initial_descbuffers(ring); + if (err) + goto out; + /* Set Receive Control "receive enable" and frame offset */ + value = (ring->frameoffset << BCM43xx_DMA_RXCTRL_FRAMEOFF_SHIFT); + value |= BCM43xx_DMA_RXCTRL_ENABLE; + bcm43xx_dma_write(ring, BCM43xx_DMA_RX_CONTROL, value); + /* Set Receive Descriptor ring address. */ + bcm43xx_dma_write(ring, BCM43xx_DMA_RX_DESC_RING, + ring->dmabase + ring->memoffset); + /* Init the descriptor pointer. */ + bcm43xx_dma_write(ring, BCM43xx_DMA_RX_DESC_INDEX, 200); + } + +out: + return err; +} + +/* Shutdown the DMA controller. */ +static void dmacontroller_cleanup(struct bcm43xx_dmaring *ring) +{ + if (ring->tx) { + bcm43xx_dmacontroller_tx_reset(ring->bcm, ring->mmio_base); + /* Zero out Transmit Descriptor ring address. */ + bcm43xx_dma_write(ring, BCM43xx_DMA_TX_DESC_RING, 0); + } else { + bcm43xx_dmacontroller_rx_reset(ring->bcm, ring->mmio_base); + /* Zero out Receive Descriptor ring address. */ + bcm43xx_dma_write(ring, BCM43xx_DMA_RX_DESC_RING, 0); + } +} + +static void free_all_descbuffers(struct bcm43xx_dmaring *ring) +{ + struct bcm43xx_dmadesc *desc; + struct bcm43xx_dmadesc_meta *meta; + int i; + + if (!ring->used_slots) + return; + for (i = 0; i < ring->nr_slots; i++) { + desc = ring->vbase + i; + meta = ring->meta + i; + + if (!meta->skb) { + assert(ring->tx); + continue; + } + if (ring->tx) { + unmap_descbuffer(ring, meta->dmaaddr, + meta->skb->len, 1); + } else { + unmap_descbuffer(ring, meta->dmaaddr, + ring->rx_buffersize, 0); + } + free_descriptor_buffer(ring, desc, meta, 0); + } +} + +/* Main initialization function. */ +static +struct bcm43xx_dmaring * bcm43xx_setup_dmaring(struct bcm43xx_private *bcm, + u16 dma_controller_base, + int nr_descriptor_slots, + int tx) +{ + struct bcm43xx_dmaring *ring; + int err; + + ring = kzalloc(sizeof(*ring), GFP_KERNEL); + if (!ring) + goto out; + + ring->meta = kzalloc(sizeof(*ring->meta) * nr_descriptor_slots, + GFP_KERNEL); + if (!ring->meta) + goto err_kfree_ring; + + ring->memoffset = BCM43xx_DMA_DMABUSADDROFFSET; +#ifdef CONFIG_BCM947XX + if (bcm->pci_dev->bus->number == 0) + ring->memoffset = 0; +#endif + + ring->bcm = bcm; + ring->nr_slots = nr_descriptor_slots; + ring->suspend_mark = ring->nr_slots * BCM43xx_TXSUSPEND_PERCENT / 100; + ring->resume_mark = ring->nr_slots * BCM43xx_TXRESUME_PERCENT / 100; + assert(ring->suspend_mark < ring->resume_mark); + ring->mmio_base = dma_controller_base; + if (tx) { + ring->tx = 1; + ring->current_slot = -1; + } else { + switch (dma_controller_base) { + case BCM43xx_MMIO_DMA1_BASE: + ring->rx_buffersize = BCM43xx_DMA1_RXBUFFERSIZE; + ring->frameoffset = BCM43xx_DMA1_RX_FRAMEOFFSET; + break; + case BCM43xx_MMIO_DMA4_BASE: + ring->rx_buffersize = BCM43xx_DMA4_RXBUFFERSIZE; + ring->frameoffset = BCM43xx_DMA4_RX_FRAMEOFFSET; + break; + default: + assert(0); + } + } + + err = alloc_ringmemory(ring); + if (err) + goto err_kfree_meta; + err = dmacontroller_setup(ring); + if (err) + goto err_free_ringmemory; + +out: + return ring; + +err_free_ringmemory: + free_ringmemory(ring); +err_kfree_meta: + kfree(ring->meta); +err_kfree_ring: + kfree(ring); + ring = NULL; + goto out; +} + +/* Main cleanup function. */ +static void bcm43xx_destroy_dmaring(struct bcm43xx_dmaring *ring) +{ + if (!ring) + return; + + dprintk(KERN_INFO PFX "DMA 0x%04x (%s) max used slots: %d/%d\n", + ring->mmio_base, + (ring->tx) ? "TX" : "RX", + ring->max_used_slots, ring->nr_slots); + /* Device IRQs are disabled prior entering this function, + * so no need to take care of concurrency with rx handler stuff. + */ + dmacontroller_cleanup(ring); + free_all_descbuffers(ring); + free_ringmemory(ring); + + kfree(ring->meta); + kfree(ring); +} + +void bcm43xx_dma_free(struct bcm43xx_private *bcm) +{ + struct bcm43xx_dma *dma; + + if (bcm43xx_using_pio(bcm)) + return; + dma = bcm43xx_current_dma(bcm); + + bcm43xx_destroy_dmaring(dma->rx_ring1); + dma->rx_ring1 = NULL; + bcm43xx_destroy_dmaring(dma->rx_ring0); + dma->rx_ring0 = NULL; + bcm43xx_destroy_dmaring(dma->tx_ring3); + dma->tx_ring3 = NULL; + bcm43xx_destroy_dmaring(dma->tx_ring2); + dma->tx_ring2 = NULL; + bcm43xx_destroy_dmaring(dma->tx_ring1); + dma->tx_ring1 = NULL; + bcm43xx_destroy_dmaring(dma->tx_ring0); + dma->tx_ring0 = NULL; +} + +int bcm43xx_dma_init(struct bcm43xx_private *bcm) +{ + struct bcm43xx_dma *dma = bcm43xx_current_dma(bcm); + struct bcm43xx_dmaring *ring; + int err = -ENOMEM; + + /* setup TX DMA channels. */ + ring = bcm43xx_setup_dmaring(bcm, BCM43xx_MMIO_DMA1_BASE, + BCM43xx_TXRING_SLOTS, 1); + if (!ring) + goto out; + dma->tx_ring0 = ring; + + ring = bcm43xx_setup_dmaring(bcm, BCM43xx_MMIO_DMA2_BASE, + BCM43xx_TXRING_SLOTS, 1); + if (!ring) + goto err_destroy_tx0; + dma->tx_ring1 = ring; + + ring = bcm43xx_setup_dmaring(bcm, BCM43xx_MMIO_DMA3_BASE, + BCM43xx_TXRING_SLOTS, 1); + if (!ring) + goto err_destroy_tx1; + dma->tx_ring2 = ring; + + ring = bcm43xx_setup_dmaring(bcm, BCM43xx_MMIO_DMA4_BASE, + BCM43xx_TXRING_SLOTS, 1); + if (!ring) + goto err_destroy_tx2; + dma->tx_ring3 = ring; + + /* setup RX DMA channels. */ + ring = bcm43xx_setup_dmaring(bcm, BCM43xx_MMIO_DMA1_BASE, + BCM43xx_RXRING_SLOTS, 0); + if (!ring) + goto err_destroy_tx3; + dma->rx_ring0 = ring; + + if (bcm->current_core->rev < 5) { + ring = bcm43xx_setup_dmaring(bcm, BCM43xx_MMIO_DMA4_BASE, + BCM43xx_RXRING_SLOTS, 0); + if (!ring) + goto err_destroy_rx0; + dma->rx_ring1 = ring; + } + + dprintk(KERN_INFO PFX "DMA initialized\n"); + err = 0; +out: + return err; + +err_destroy_rx0: + bcm43xx_destroy_dmaring(dma->rx_ring0); + dma->rx_ring0 = NULL; +err_destroy_tx3: + bcm43xx_destroy_dmaring(dma->tx_ring3); + dma->tx_ring3 = NULL; +err_destroy_tx2: + bcm43xx_destroy_dmaring(dma->tx_ring2); + dma->tx_ring2 = NULL; +err_destroy_tx1: + bcm43xx_destroy_dmaring(dma->tx_ring1); + dma->tx_ring1 = NULL; +err_destroy_tx0: + bcm43xx_destroy_dmaring(dma->tx_ring0); + dma->tx_ring0 = NULL; + goto out; +} + +/* Generate a cookie for the TX header. */ +static u16 generate_cookie(struct bcm43xx_dmaring *ring, + int slot) +{ + u16 cookie = 0x0000; + + /* Use the upper 4 bits of the cookie as + * DMA controller ID and store the slot number + * in the lower 12 bits + */ + switch (ring->mmio_base) { + default: + assert(0); + case BCM43xx_MMIO_DMA1_BASE: + break; + case BCM43xx_MMIO_DMA2_BASE: + cookie = 0x1000; + break; + case BCM43xx_MMIO_DMA3_BASE: + cookie = 0x2000; + break; + case BCM43xx_MMIO_DMA4_BASE: + cookie = 0x3000; + break; + } + assert(((u16)slot & 0xF000) == 0x0000); + cookie |= (u16)slot; + + return cookie; +} + +/* Inspect a cookie and find out to which controller/slot it belongs. */ +static +struct bcm43xx_dmaring * parse_cookie(struct bcm43xx_private *bcm, + u16 cookie, int *slot) +{ + struct bcm43xx_dma *dma = bcm43xx_current_dma(bcm); + struct bcm43xx_dmaring *ring = NULL; + + switch (cookie & 0xF000) { + case 0x0000: + ring = dma->tx_ring0; + break; + case 0x1000: + ring = dma->tx_ring1; + break; + case 0x2000: + ring = dma->tx_ring2; + break; + case 0x3000: + ring = dma->tx_ring3; + break; + default: + assert(0); + } + *slot = (cookie & 0x0FFF); + assert(*slot >= 0 && *slot < ring->nr_slots); + + return ring; +} + +static void dmacontroller_poke_tx(struct bcm43xx_dmaring *ring, + int slot) +{ + /* Everything is ready to start. Buffers are DMA mapped and + * associated with slots. + * "slot" is the last slot of the new frame we want to transmit. + * Close your seat belts now, please. + */ + wmb(); + slot = next_slot(ring, slot); + bcm43xx_dma_write(ring, BCM43xx_DMA_TX_DESC_INDEX, + (u32)(slot * sizeof(struct bcm43xx_dmadesc))); +} + +static int dma_tx_fragment(struct bcm43xx_dmaring *ring, + struct sk_buff *skb, + u8 cur_frag) +{ + int slot; + struct bcm43xx_dmadesc *desc; + struct bcm43xx_dmadesc_meta *meta; + u32 desc_ctl; + u32 desc_addr; + + assert(skb_shinfo(skb)->nr_frags == 0); + + slot = request_slot(ring); + desc = ring->vbase + slot; + meta = ring->meta + slot; + + /* Add a device specific TX header. */ + assert(skb_headroom(skb) >= sizeof(struct bcm43xx_txhdr)); + /* Reserve enough headroom for the device tx header. */ + __skb_push(skb, sizeof(struct bcm43xx_txhdr)); + /* Now calculate and add the tx header. + * The tx header includes the PLCP header. + */ + bcm43xx_generate_txhdr(ring->bcm, + (struct bcm43xx_txhdr *)skb->data, + skb->data + sizeof(struct bcm43xx_txhdr), + skb->len - sizeof(struct bcm43xx_txhdr), + (cur_frag == 0), + generate_cookie(ring, slot)); + + meta->skb = skb; + meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); + if (unlikely(meta->dmaaddr + skb->len > BCM43xx_DMA_BUSADDRMAX)) { + return_slot(ring, slot); + printk(KERN_ERR PFX ">>>FATAL ERROR<<< DMA TX SKB >1G " + "(0x%08x, len: %u)\n", + meta->dmaaddr, skb->len); + return -ENOMEM; + } + + desc_addr = (u32)(meta->dmaaddr + ring->memoffset); + desc_ctl = BCM43xx_DMADTOR_FRAMESTART | BCM43xx_DMADTOR_FRAMEEND; + desc_ctl |= BCM43xx_DMADTOR_COMPIRQ; + desc_ctl |= (BCM43xx_DMADTOR_BYTECNT_MASK & + (u32)(meta->skb->len - ring->frameoffset)); + if (slot == ring->nr_slots - 1) + desc_ctl |= BCM43xx_DMADTOR_DTABLEEND; + + set_desc_ctl(desc, desc_ctl); + set_desc_addr(desc, desc_addr); + /* Now transfer the whole frame. */ + dmacontroller_poke_tx(ring, slot); + + return 0; +} + +int bcm43xx_dma_tx(struct bcm43xx_private *bcm, + struct ieee80211_txb *txb) +{ + /* We just received a packet from the kernel network subsystem. + * Add headers and DMA map the memory. Poke + * the device to send the stuff. + * Note that this is called from atomic context. + */ + struct bcm43xx_dmaring *ring = bcm43xx_current_dma(bcm)->tx_ring1; + u8 i; + struct sk_buff *skb; + + assert(ring->tx); + if (unlikely(free_slots(ring) < txb->nr_frags)) { + /* The queue should be stopped, + * if we are low on free slots. + * If this ever triggers, we have to lower the suspend_mark. + */ + dprintkl(KERN_ERR PFX "Out of DMA descriptor slots!\n"); + return -ENOMEM; + } + + for (i = 0; i < txb->nr_frags; i++) { + skb = txb->fragments[i]; + /* Take skb from ieee80211_txb_free */ + txb->fragments[i] = NULL; + dma_tx_fragment(ring, skb, i); + //TODO: handle failure of dma_tx_fragment + } + ieee80211_txb_free(txb); + + return 0; +} + +void bcm43xx_dma_handle_xmitstatus(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status) +{ + struct bcm43xx_dmaring *ring; + struct bcm43xx_dmadesc *desc; + struct bcm43xx_dmadesc_meta *meta; + int is_last_fragment; + int slot; + + ring = parse_cookie(bcm, status->cookie, &slot); + assert(ring); + assert(ring->tx); + assert(get_desc_ctl(ring->vbase + slot) & BCM43xx_DMADTOR_FRAMESTART); + while (1) { + assert(slot >= 0 && slot < ring->nr_slots); + desc = ring->vbase + slot; + meta = ring->meta + slot; + + is_last_fragment = !!(get_desc_ctl(desc) & BCM43xx_DMADTOR_FRAMEEND); + unmap_descbuffer(ring, meta->dmaaddr, meta->skb->len, 1); + free_descriptor_buffer(ring, desc, meta, 1); + /* Everything belonging to the slot is unmapped + * and freed, so we can return it. + */ + return_slot(ring, slot); + + if (is_last_fragment) + break; + slot = next_slot(ring, slot); + } + bcm->stats.last_tx = jiffies; +} + +static void dma_rx(struct bcm43xx_dmaring *ring, + int *slot) +{ + struct bcm43xx_dmadesc *desc; + struct bcm43xx_dmadesc_meta *meta; + struct bcm43xx_rxhdr *rxhdr; + struct sk_buff *skb; + u16 len; + int err; + dma_addr_t dmaaddr; + + desc = ring->vbase + *slot; + meta = ring->meta + *slot; + + sync_descbuffer_for_cpu(ring, meta->dmaaddr, ring->rx_buffersize); + skb = meta->skb; + + if (ring->mmio_base == BCM43xx_MMIO_DMA4_BASE) { + /* We received an xmit status. */ + struct bcm43xx_hwxmitstatus *hw = (struct bcm43xx_hwxmitstatus *)skb->data; + struct bcm43xx_xmitstatus stat; + + stat.cookie = le16_to_cpu(hw->cookie); + stat.flags = hw->flags; + stat.cnt1 = hw->cnt1; + stat.cnt2 = hw->cnt2; + stat.seq = le16_to_cpu(hw->seq); + stat.unknown = le16_to_cpu(hw->unknown); + + bcm43xx_debugfs_log_txstat(ring->bcm, &stat); + bcm43xx_dma_handle_xmitstatus(ring->bcm, &stat); + /* recycle the descriptor buffer. */ + sync_descbuffer_for_device(ring, meta->dmaaddr, ring->rx_buffersize); + + return; + } + rxhdr = (struct bcm43xx_rxhdr *)skb->data; + len = le16_to_cpu(rxhdr->frame_length); + if (len == 0) { + int i = 0; + + do { + udelay(2); + barrier(); + len = le16_to_cpu(rxhdr->frame_length); + } while (len == 0 && i++ < 5); + if (unlikely(len == 0)) { + /* recycle the descriptor buffer. */ + sync_descbuffer_for_device(ring, meta->dmaaddr, + ring->rx_buffersize); + goto drop; + } + } + if (unlikely(len > ring->rx_buffersize)) { + /* The data did not fit into one descriptor buffer + * and is split over multiple buffers. + * This should never happen, as we try to allocate buffers + * big enough. So simply ignore this packet. + */ + int cnt = 0; + s32 tmp = len; + + while (1) { + desc = ring->vbase + *slot; + meta = ring->meta + *slot; + /* recycle the descriptor buffer. */ + sync_descbuffer_for_device(ring, meta->dmaaddr, + ring->rx_buffersize); + *slot = next_slot(ring, *slot); + cnt++; + tmp -= ring->rx_buffersize; + if (tmp <= 0) + break; + } + printkl(KERN_ERR PFX "DMA RX buffer too small " + "(len: %u, buffer: %u, nr-dropped: %d)\n", + len, ring->rx_buffersize, cnt); + goto drop; + } + len -= IEEE80211_FCS_LEN; + + dmaaddr = meta->dmaaddr; + err = setup_rx_descbuffer(ring, desc, meta, GFP_ATOMIC); + if (unlikely(err)) { + dprintkl(KERN_ERR PFX "DMA RX: setup_rx_descbuffer() failed\n"); + sync_descbuffer_for_device(ring, dmaaddr, + ring->rx_buffersize); + goto drop; + } + + unmap_descbuffer(ring, dmaaddr, ring->rx_buffersize, 0); + skb_put(skb, len + ring->frameoffset); + skb_pull(skb, ring->frameoffset); + + err = bcm43xx_rx(ring->bcm, skb, rxhdr); + if (err) { + dev_kfree_skb_irq(skb); + goto drop; + } + +drop: + return; +} + +void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring) +{ + u32 status; + u16 descptr; + int slot, current_slot; +#ifdef CONFIG_BCM43XX_DEBUG + int used_slots = 0; +#endif + + assert(!ring->tx); + status = bcm43xx_dma_read(ring, BCM43xx_DMA_RX_STATUS); + descptr = (status & BCM43xx_DMA_RXSTAT_DPTR_MASK); + current_slot = descptr / sizeof(struct bcm43xx_dmadesc); + assert(current_slot >= 0 && current_slot < ring->nr_slots); + + slot = ring->current_slot; + for ( ; slot != current_slot; slot = next_slot(ring, slot)) { + dma_rx(ring, &slot); +#ifdef CONFIG_BCM43XX_DEBUG + if (++used_slots > ring->max_used_slots) + ring->max_used_slots = used_slots; +#endif + } + bcm43xx_dma_write(ring, BCM43xx_DMA_RX_DESC_INDEX, + (u32)(slot * sizeof(struct bcm43xx_dmadesc))); + ring->current_slot = slot; +} + +void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring) +{ + assert(ring->tx); + bcm43xx_power_saving_ctl_bits(ring->bcm, -1, 1); + bcm43xx_dma_write(ring, BCM43xx_DMA_TX_CONTROL, + bcm43xx_dma_read(ring, BCM43xx_DMA_TX_CONTROL) + | BCM43xx_DMA_TXCTRL_SUSPEND); +} + +void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring) +{ + assert(ring->tx); + bcm43xx_dma_write(ring, BCM43xx_DMA_TX_CONTROL, + bcm43xx_dma_read(ring, BCM43xx_DMA_TX_CONTROL) + & ~BCM43xx_DMA_TXCTRL_SUSPEND); + bcm43xx_power_saving_ctl_bits(ring->bcm, -1, -1); +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.h b/drivers/net/wireless/bcm43xx/bcm43xx_dma.h new file mode 100644 index 00000000000..2d520e4b027 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_dma.h @@ -0,0 +1,218 @@ +#ifndef BCM43xx_DMA_H_ +#define BCM43xx_DMA_H_ + +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/workqueue.h> +#include <linux/linkage.h> +#include <asm/atomic.h> + + +/* DMA-Interrupt reasons. */ +#define BCM43xx_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \ + | (1 << 14) | (1 << 15)) +#define BCM43xx_DMAIRQ_NONFATALMASK (1 << 13) +#define BCM43xx_DMAIRQ_RX_DONE (1 << 16) + +/* DMA controller register offsets. (relative to BCM43xx_DMA#_BASE) */ +#define BCM43xx_DMA_TX_CONTROL 0x00 +#define BCM43xx_DMA_TX_DESC_RING 0x04 +#define BCM43xx_DMA_TX_DESC_INDEX 0x08 +#define BCM43xx_DMA_TX_STATUS 0x0c +#define BCM43xx_DMA_RX_CONTROL 0x10 +#define BCM43xx_DMA_RX_DESC_RING 0x14 +#define BCM43xx_DMA_RX_DESC_INDEX 0x18 +#define BCM43xx_DMA_RX_STATUS 0x1c + +/* DMA controller channel control word values. */ +#define BCM43xx_DMA_TXCTRL_ENABLE (1 << 0) +#define BCM43xx_DMA_TXCTRL_SUSPEND (1 << 1) +#define BCM43xx_DMA_TXCTRL_LOOPBACK (1 << 2) +#define BCM43xx_DMA_TXCTRL_FLUSH (1 << 4) +#define BCM43xx_DMA_RXCTRL_ENABLE (1 << 0) +#define BCM43xx_DMA_RXCTRL_FRAMEOFF_MASK 0x000000fe +#define BCM43xx_DMA_RXCTRL_FRAMEOFF_SHIFT 1 +#define BCM43xx_DMA_RXCTRL_PIO (1 << 8) +/* DMA controller channel status word values. */ +#define BCM43xx_DMA_TXSTAT_DPTR_MASK 0x00000fff +#define BCM43xx_DMA_TXSTAT_STAT_MASK 0x0000f000 +#define BCM43xx_DMA_TXSTAT_STAT_DISABLED 0x00000000 +#define BCM43xx_DMA_TXSTAT_STAT_ACTIVE 0x00001000 +#define BCM43xx_DMA_TXSTAT_STAT_IDLEWAIT 0x00002000 +#define BCM43xx_DMA_TXSTAT_STAT_STOPPED 0x00003000 +#define BCM43xx_DMA_TXSTAT_STAT_SUSP 0x00004000 +#define BCM43xx_DMA_TXSTAT_ERROR_MASK 0x000f0000 +#define BCM43xx_DMA_TXSTAT_FLUSHED (1 << 20) +#define BCM43xx_DMA_RXSTAT_DPTR_MASK 0x00000fff +#define BCM43xx_DMA_RXSTAT_STAT_MASK 0x0000f000 +#define BCM43xx_DMA_RXSTAT_STAT_DISABLED 0x00000000 +#define BCM43xx_DMA_RXSTAT_STAT_ACTIVE 0x00001000 +#define BCM43xx_DMA_RXSTAT_STAT_IDLEWAIT 0x00002000 +#define BCM43xx_DMA_RXSTAT_STAT_RESERVED 0x00003000 +#define BCM43xx_DMA_RXSTAT_STAT_ERRORS 0x00004000 +#define BCM43xx_DMA_RXSTAT_ERROR_MASK 0x000f0000 + +/* DMA descriptor control field values. */ +#define BCM43xx_DMADTOR_BYTECNT_MASK 0x00001fff +#define BCM43xx_DMADTOR_DTABLEEND (1 << 28) /* End of descriptor table */ +#define BCM43xx_DMADTOR_COMPIRQ (1 << 29) /* IRQ on completion request */ +#define BCM43xx_DMADTOR_FRAMEEND (1 << 30) +#define BCM43xx_DMADTOR_FRAMESTART (1 << 31) + +/* Misc DMA constants */ +#define BCM43xx_DMA_RINGMEMSIZE PAGE_SIZE +#define BCM43xx_DMA_BUSADDRMAX 0x3FFFFFFF +#define BCM43xx_DMA_DMABUSADDROFFSET (1 << 30) +#define BCM43xx_DMA1_RX_FRAMEOFFSET 30 +#define BCM43xx_DMA4_RX_FRAMEOFFSET 0 + +/* DMA engine tuning knobs */ +#define BCM43xx_TXRING_SLOTS 512 +#define BCM43xx_RXRING_SLOTS 64 +#define BCM43xx_DMA1_RXBUFFERSIZE (2304 + 100) +#define BCM43xx_DMA4_RXBUFFERSIZE 16 +/* Suspend the tx queue, if less than this percent slots are free. */ +#define BCM43xx_TXSUSPEND_PERCENT 20 +/* Resume the tx queue, if more than this percent slots are free. */ +#define BCM43xx_TXRESUME_PERCENT 50 + + + +#ifdef CONFIG_BCM43XX_DMA + + +struct sk_buff; +struct bcm43xx_private; +struct bcm43xx_xmitstatus; + + +struct bcm43xx_dmadesc { + __le32 _control; + __le32 _address; +} __attribute__((__packed__)); + +/* Macros to access the bcm43xx_dmadesc struct */ +#define get_desc_ctl(desc) le32_to_cpu((desc)->_control) +#define set_desc_ctl(desc, ctl) do { (desc)->_control = cpu_to_le32(ctl); } while (0) +#define get_desc_addr(desc) le32_to_cpu((desc)->_address) +#define set_desc_addr(desc, addr) do { (desc)->_address = cpu_to_le32(addr); } while (0) + +struct bcm43xx_dmadesc_meta { + /* The kernel DMA-able buffer. */ + struct sk_buff *skb; + /* DMA base bus-address of the descriptor buffer. */ + dma_addr_t dmaaddr; +}; + +struct bcm43xx_dmaring { + struct bcm43xx_private *bcm; + /* Kernel virtual base address of the ring memory. */ + struct bcm43xx_dmadesc *vbase; + /* DMA memory offset */ + dma_addr_t memoffset; + /* (Unadjusted) DMA base bus-address of the ring memory. */ + dma_addr_t dmabase; + /* Meta data about all descriptors. */ + struct bcm43xx_dmadesc_meta *meta; + /* Number of descriptor slots in the ring. */ + int nr_slots; + /* Number of used descriptor slots. */ + int used_slots; + /* Currently used slot in the ring. */ + int current_slot; + /* Marks to suspend/resume the queue. */ + int suspend_mark; + int resume_mark; + /* Frameoffset in octets. */ + u32 frameoffset; + /* Descriptor buffer size. */ + u16 rx_buffersize; + /* The MMIO base register of the DMA controller, this + * ring is posted to. + */ + u16 mmio_base; + u8 tx:1, /* TRUE, if this is a TX ring. */ + suspended:1; /* TRUE, if transfers are suspended on this ring. */ +#ifdef CONFIG_BCM43XX_DEBUG + /* Maximum number of used slots. */ + int max_used_slots; +#endif /* CONFIG_BCM43XX_DEBUG*/ +}; + + +static inline +u32 bcm43xx_dma_read(struct bcm43xx_dmaring *ring, + u16 offset) +{ + return bcm43xx_read32(ring->bcm, ring->mmio_base + offset); +} + +static inline +void bcm43xx_dma_write(struct bcm43xx_dmaring *ring, + u16 offset, u32 value) +{ + bcm43xx_write32(ring->bcm, ring->mmio_base + offset, value); +} + + +int bcm43xx_dma_init(struct bcm43xx_private *bcm); +void bcm43xx_dma_free(struct bcm43xx_private *bcm); + +int bcm43xx_dmacontroller_rx_reset(struct bcm43xx_private *bcm, + u16 dmacontroller_mmio_base); +int bcm43xx_dmacontroller_tx_reset(struct bcm43xx_private *bcm, + u16 dmacontroller_mmio_base); + +void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring); +void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring); + +void bcm43xx_dma_handle_xmitstatus(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status); + +int bcm43xx_dma_tx(struct bcm43xx_private *bcm, + struct ieee80211_txb *txb); +void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring); + + +#else /* CONFIG_BCM43XX_DMA */ + + +static inline +int bcm43xx_dma_init(struct bcm43xx_private *bcm) +{ + return 0; +} +static inline +void bcm43xx_dma_free(struct bcm43xx_private *bcm) +{ +} +static inline +int bcm43xx_dmacontroller_rx_reset(struct bcm43xx_private *bcm, + u16 dmacontroller_mmio_base) +{ + return 0; +} +static inline +int bcm43xx_dmacontroller_tx_reset(struct bcm43xx_private *bcm, + u16 dmacontroller_mmio_base) +{ + return 0; +} +static inline +int bcm43xx_dma_tx(struct bcm43xx_private *bcm, + struct ieee80211_txb *txb) +{ + return 0; +} +static inline +void bcm43xx_dma_handle_xmitstatus(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status) +{ +} +static inline +void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring) +{ +} + +#endif /* CONFIG_BCM43XX_DMA */ +#endif /* BCM43xx_DMA_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.c b/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.c new file mode 100644 index 00000000000..b3ffcf50131 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.c @@ -0,0 +1,50 @@ +/* + + Broadcom BCM43xx wireless driver + + ethtool support + + Copyright (c) 2006 Jason Lunz <lunz@falooley.org> + + Some code in this file is derived from the 8139too.c driver + Copyright (C) 2002 Jeff Garzik + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "bcm43xx.h" +#include "bcm43xx_ethtool.h" + +#include <linux/netdevice.h> +#include <linux/pci.h> +#include <linux/string.h> +#include <linux/version.h> + + +static void bcm43xx_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(dev); + + strncpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); + strncpy(info->version, UTS_RELEASE, sizeof(info->version)); + strncpy(info->bus_info, pci_name(bcm->pci_dev), ETHTOOL_BUSINFO_LEN); +} + +struct ethtool_ops bcm43xx_ethtool_ops = { + .get_drvinfo = bcm43xx_get_drvinfo, + .get_link = ethtool_op_get_link, +}; diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.h b/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.h new file mode 100644 index 00000000000..813704991f6 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.h @@ -0,0 +1,8 @@ +#ifndef BCM43xx_ETHTOOL_H_ +#define BCM43xx_ETHTOOL_H_ + +#include <linux/ethtool.h> + +extern struct ethtool_ops bcm43xx_ethtool_ops; + +#endif /* BCM43xx_ETHTOOL_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_ilt.c b/drivers/net/wireless/bcm43xx/bcm43xx_ilt.c new file mode 100644 index 00000000000..ad8e569d1fa --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_ilt.c @@ -0,0 +1,337 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "bcm43xx.h" +#include "bcm43xx_ilt.h" +#include "bcm43xx_phy.h" + + +/**** Initial Internal Lookup Tables ****/ + +const u32 bcm43xx_ilt_rotor[BCM43xx_ILT_ROTOR_SIZE] = { + 0xFEB93FFD, 0xFEC63FFD, /* 0 */ + 0xFED23FFD, 0xFEDF3FFD, + 0xFEEC3FFE, 0xFEF83FFE, + 0xFF053FFE, 0xFF113FFE, + 0xFF1E3FFE, 0xFF2A3FFF, /* 8 */ + 0xFF373FFF, 0xFF443FFF, + 0xFF503FFF, 0xFF5D3FFF, + 0xFF693FFF, 0xFF763FFF, + 0xFF824000, 0xFF8F4000, /* 16 */ + 0xFF9B4000, 0xFFA84000, + 0xFFB54000, 0xFFC14000, + 0xFFCE4000, 0xFFDA4000, + 0xFFE74000, 0xFFF34000, /* 24 */ + 0x00004000, 0x000D4000, + 0x00194000, 0x00264000, + 0x00324000, 0x003F4000, + 0x004B4000, 0x00584000, /* 32 */ + 0x00654000, 0x00714000, + 0x007E4000, 0x008A3FFF, + 0x00973FFF, 0x00A33FFF, + 0x00B03FFF, 0x00BC3FFF, /* 40 */ + 0x00C93FFF, 0x00D63FFF, + 0x00E23FFE, 0x00EF3FFE, + 0x00FB3FFE, 0x01083FFE, + 0x01143FFE, 0x01213FFD, /* 48 */ + 0x012E3FFD, 0x013A3FFD, + 0x01473FFD, +}; + +const u32 bcm43xx_ilt_retard[BCM43xx_ILT_RETARD_SIZE] = { + 0xDB93CB87, 0xD666CF64, /* 0 */ + 0xD1FDD358, 0xCDA6D826, + 0xCA38DD9F, 0xC729E2B4, + 0xC469E88E, 0xC26AEE2B, + 0xC0DEF46C, 0xC073FA62, /* 8 */ + 0xC01D00D5, 0xC0760743, + 0xC1560D1E, 0xC2E51369, + 0xC4ED18FF, 0xC7AC1ED7, + 0xCB2823B2, 0xCEFA28D9, /* 16 */ + 0xD2F62D3F, 0xD7BB3197, + 0xDCE53568, 0xE1FE3875, + 0xE7D13B35, 0xED663D35, + 0xF39B3EC4, 0xF98E3FA7, /* 24 */ + 0x00004000, 0x06723FA7, + 0x0C653EC4, 0x129A3D35, + 0x182F3B35, 0x1E023875, + 0x231B3568, 0x28453197, /* 32 */ + 0x2D0A2D3F, 0x310628D9, + 0x34D823B2, 0x38541ED7, + 0x3B1318FF, 0x3D1B1369, + 0x3EAA0D1E, 0x3F8A0743, /* 40 */ + 0x3FE300D5, 0x3F8DFA62, + 0x3F22F46C, 0x3D96EE2B, + 0x3B97E88E, 0x38D7E2B4, + 0x35C8DD9F, 0x325AD826, /* 48 */ + 0x2E03D358, 0x299ACF64, + 0x246DCB87, +}; + +const u16 bcm43xx_ilt_finefreqa[BCM43xx_ILT_FINEFREQA_SIZE] = { + 0x0082, 0x0082, 0x0102, 0x0182, /* 0 */ + 0x0202, 0x0282, 0x0302, 0x0382, + 0x0402, 0x0482, 0x0502, 0x0582, + 0x05E2, 0x0662, 0x06E2, 0x0762, + 0x07E2, 0x0842, 0x08C2, 0x0942, /* 16 */ + 0x09C2, 0x0A22, 0x0AA2, 0x0B02, + 0x0B82, 0x0BE2, 0x0C62, 0x0CC2, + 0x0D42, 0x0DA2, 0x0E02, 0x0E62, + 0x0EE2, 0x0F42, 0x0FA2, 0x1002, /* 32 */ + 0x1062, 0x10C2, 0x1122, 0x1182, + 0x11E2, 0x1242, 0x12A2, 0x12E2, + 0x1342, 0x13A2, 0x1402, 0x1442, + 0x14A2, 0x14E2, 0x1542, 0x1582, /* 48 */ + 0x15E2, 0x1622, 0x1662, 0x16C1, + 0x1701, 0x1741, 0x1781, 0x17E1, + 0x1821, 0x1861, 0x18A1, 0x18E1, + 0x1921, 0x1961, 0x19A1, 0x19E1, /* 64 */ + 0x1A21, 0x1A61, 0x1AA1, 0x1AC1, + 0x1B01, 0x1B41, 0x1B81, 0x1BA1, + 0x1BE1, 0x1C21, 0x1C41, 0x1C81, + 0x1CA1, 0x1CE1, 0x1D01, 0x1D41, /* 80 */ + 0x1D61, 0x1DA1, 0x1DC1, 0x1E01, + 0x1E21, 0x1E61, 0x1E81, 0x1EA1, + 0x1EE1, 0x1F01, 0x1F21, 0x1F41, + 0x1F81, 0x1FA1, 0x1FC1, 0x1FE1, /* 96 */ + 0x2001, 0x2041, 0x2061, 0x2081, + 0x20A1, 0x20C1, 0x20E1, 0x2101, + 0x2121, 0x2141, 0x2161, 0x2181, + 0x21A1, 0x21C1, 0x21E1, 0x2201, /* 112 */ + 0x2221, 0x2241, 0x2261, 0x2281, + 0x22A1, 0x22C1, 0x22C1, 0x22E1, + 0x2301, 0x2321, 0x2341, 0x2361, + 0x2361, 0x2381, 0x23A1, 0x23C1, /* 128 */ + 0x23E1, 0x23E1, 0x2401, 0x2421, + 0x2441, 0x2441, 0x2461, 0x2481, + 0x2481, 0x24A1, 0x24C1, 0x24C1, + 0x24E1, 0x2501, 0x2501, 0x2521, /* 144 */ + 0x2541, 0x2541, 0x2561, 0x2561, + 0x2581, 0x25A1, 0x25A1, 0x25C1, + 0x25C1, 0x25E1, 0x2601, 0x2601, + 0x2621, 0x2621, 0x2641, 0x2641, /* 160 */ + 0x2661, 0x2661, 0x2681, 0x2681, + 0x26A1, 0x26A1, 0x26C1, 0x26C1, + 0x26E1, 0x26E1, 0x2701, 0x2701, + 0x2721, 0x2721, 0x2740, 0x2740, /* 176 */ + 0x2760, 0x2760, 0x2780, 0x2780, + 0x2780, 0x27A0, 0x27A0, 0x27C0, + 0x27C0, 0x27E0, 0x27E0, 0x27E0, + 0x2800, 0x2800, 0x2820, 0x2820, /* 192 */ + 0x2820, 0x2840, 0x2840, 0x2840, + 0x2860, 0x2860, 0x2880, 0x2880, + 0x2880, 0x28A0, 0x28A0, 0x28A0, + 0x28C0, 0x28C0, 0x28C0, 0x28E0, /* 208 */ + 0x28E0, 0x28E0, 0x2900, 0x2900, + 0x2900, 0x2920, 0x2920, 0x2920, + 0x2940, 0x2940, 0x2940, 0x2960, + 0x2960, 0x2960, 0x2960, 0x2980, /* 224 */ + 0x2980, 0x2980, 0x29A0, 0x29A0, + 0x29A0, 0x29A0, 0x29C0, 0x29C0, + 0x29C0, 0x29E0, 0x29E0, 0x29E0, + 0x29E0, 0x2A00, 0x2A00, 0x2A00, /* 240 */ + 0x2A00, 0x2A20, 0x2A20, 0x2A20, + 0x2A20, 0x2A40, 0x2A40, 0x2A40, + 0x2A40, 0x2A60, 0x2A60, 0x2A60, +}; + +const u16 bcm43xx_ilt_finefreqg[BCM43xx_ILT_FINEFREQG_SIZE] = { + 0x0089, 0x02E9, 0x0409, 0x04E9, /* 0 */ + 0x05A9, 0x0669, 0x0709, 0x0789, + 0x0829, 0x08A9, 0x0929, 0x0989, + 0x0A09, 0x0A69, 0x0AC9, 0x0B29, + 0x0BA9, 0x0BE9, 0x0C49, 0x0CA9, /* 16 */ + 0x0D09, 0x0D69, 0x0DA9, 0x0E09, + 0x0E69, 0x0EA9, 0x0F09, 0x0F49, + 0x0FA9, 0x0FE9, 0x1029, 0x1089, + 0x10C9, 0x1109, 0x1169, 0x11A9, /* 32 */ + 0x11E9, 0x1229, 0x1289, 0x12C9, + 0x1309, 0x1349, 0x1389, 0x13C9, + 0x1409, 0x1449, 0x14A9, 0x14E9, + 0x1529, 0x1569, 0x15A9, 0x15E9, /* 48 */ + 0x1629, 0x1669, 0x16A9, 0x16E8, + 0x1728, 0x1768, 0x17A8, 0x17E8, + 0x1828, 0x1868, 0x18A8, 0x18E8, + 0x1928, 0x1968, 0x19A8, 0x19E8, /* 64 */ + 0x1A28, 0x1A68, 0x1AA8, 0x1AE8, + 0x1B28, 0x1B68, 0x1BA8, 0x1BE8, + 0x1C28, 0x1C68, 0x1CA8, 0x1CE8, + 0x1D28, 0x1D68, 0x1DC8, 0x1E08, /* 80 */ + 0x1E48, 0x1E88, 0x1EC8, 0x1F08, + 0x1F48, 0x1F88, 0x1FE8, 0x2028, + 0x2068, 0x20A8, 0x2108, 0x2148, + 0x2188, 0x21C8, 0x2228, 0x2268, /* 96 */ + 0x22C8, 0x2308, 0x2348, 0x23A8, + 0x23E8, 0x2448, 0x24A8, 0x24E8, + 0x2548, 0x25A8, 0x2608, 0x2668, + 0x26C8, 0x2728, 0x2787, 0x27E7, /* 112 */ + 0x2847, 0x28C7, 0x2947, 0x29A7, + 0x2A27, 0x2AC7, 0x2B47, 0x2BE7, + 0x2CA7, 0x2D67, 0x2E47, 0x2F67, + 0x3247, 0x3526, 0x3646, 0x3726, /* 128 */ + 0x3806, 0x38A6, 0x3946, 0x39E6, + 0x3A66, 0x3AE6, 0x3B66, 0x3BC6, + 0x3C45, 0x3CA5, 0x3D05, 0x3D85, + 0x3DE5, 0x3E45, 0x3EA5, 0x3EE5, /* 144 */ + 0x3F45, 0x3FA5, 0x4005, 0x4045, + 0x40A5, 0x40E5, 0x4145, 0x4185, + 0x41E5, 0x4225, 0x4265, 0x42C5, + 0x4305, 0x4345, 0x43A5, 0x43E5, /* 160 */ + 0x4424, 0x4464, 0x44C4, 0x4504, + 0x4544, 0x4584, 0x45C4, 0x4604, + 0x4644, 0x46A4, 0x46E4, 0x4724, + 0x4764, 0x47A4, 0x47E4, 0x4824, /* 176 */ + 0x4864, 0x48A4, 0x48E4, 0x4924, + 0x4964, 0x49A4, 0x49E4, 0x4A24, + 0x4A64, 0x4AA4, 0x4AE4, 0x4B23, + 0x4B63, 0x4BA3, 0x4BE3, 0x4C23, /* 192 */ + 0x4C63, 0x4CA3, 0x4CE3, 0x4D23, + 0x4D63, 0x4DA3, 0x4DE3, 0x4E23, + 0x4E63, 0x4EA3, 0x4EE3, 0x4F23, + 0x4F63, 0x4FC3, 0x5003, 0x5043, /* 208 */ + 0x5083, 0x50C3, 0x5103, 0x5143, + 0x5183, 0x51E2, 0x5222, 0x5262, + 0x52A2, 0x52E2, 0x5342, 0x5382, + 0x53C2, 0x5402, 0x5462, 0x54A2, /* 224 */ + 0x5502, 0x5542, 0x55A2, 0x55E2, + 0x5642, 0x5682, 0x56E2, 0x5722, + 0x5782, 0x57E1, 0x5841, 0x58A1, + 0x5901, 0x5961, 0x59C1, 0x5A21, /* 240 */ + 0x5AA1, 0x5B01, 0x5B81, 0x5BE1, + 0x5C61, 0x5D01, 0x5D80, 0x5E20, + 0x5EE0, 0x5FA0, 0x6080, 0x61C0, +}; + +const u16 bcm43xx_ilt_noisea2[BCM43xx_ILT_NOISEA2_SIZE] = { + 0x0001, 0x0001, 0x0001, 0xFFFE, + 0xFFFE, 0x3FFF, 0x1000, 0x0393, +}; + +const u16 bcm43xx_ilt_noisea3[BCM43xx_ILT_NOISEA3_SIZE] = { + 0x4C4C, 0x4C4C, 0x4C4C, 0x2D36, + 0x4C4C, 0x4C4C, 0x4C4C, 0x2D36, +}; + +const u16 bcm43xx_ilt_noiseg1[BCM43xx_ILT_NOISEG1_SIZE] = { + 0x013C, 0x01F5, 0x031A, 0x0631, + 0x0001, 0x0001, 0x0001, 0x0001, +}; + +const u16 bcm43xx_ilt_noiseg2[BCM43xx_ILT_NOISEG2_SIZE] = { + 0x5484, 0x3C40, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, +}; + +const u16 bcm43xx_ilt_noisescaleg1[BCM43xx_ILT_NOISESCALEG_SIZE] = { + 0x6C77, 0x5162, 0x3B40, 0x3335, /* 0 */ + 0x2F2D, 0x2A2A, 0x2527, 0x1F21, + 0x1A1D, 0x1719, 0x1616, 0x1414, + 0x1414, 0x1400, 0x1414, 0x1614, + 0x1716, 0x1A19, 0x1F1D, 0x2521, /* 16 */ + 0x2A27, 0x2F2A, 0x332D, 0x3B35, + 0x5140, 0x6C62, 0x0077, +}; + +const u16 bcm43xx_ilt_noisescaleg2[BCM43xx_ILT_NOISESCALEG_SIZE] = { + 0xD8DD, 0xCBD4, 0xBCC0, 0XB6B7, /* 0 */ + 0xB2B0, 0xADAD, 0xA7A9, 0x9FA1, + 0x969B, 0x9195, 0x8F8F, 0x8A8A, + 0x8A8A, 0x8A00, 0x8A8A, 0x8F8A, + 0x918F, 0x9695, 0x9F9B, 0xA7A1, /* 16 */ + 0xADA9, 0xB2AD, 0xB6B0, 0xBCB7, + 0xCBC0, 0xD8D4, 0x00DD, +}; + +const u16 bcm43xx_ilt_noisescaleg3[BCM43xx_ILT_NOISESCALEG_SIZE] = { + 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, /* 0 */ + 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, + 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, + 0xA4A4, 0xA400, 0xA4A4, 0xA4A4, + 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, /* 16 */ + 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, + 0xA4A4, 0xA4A4, 0x00A4, +}; + +const u16 bcm43xx_ilt_sigmasqr1[BCM43xx_ILT_SIGMASQR_SIZE] = { + 0x007A, 0x0075, 0x0071, 0x006C, /* 0 */ + 0x0067, 0x0063, 0x005E, 0x0059, + 0x0054, 0x0050, 0x004B, 0x0046, + 0x0042, 0x003D, 0x003D, 0x003D, + 0x003D, 0x003D, 0x003D, 0x003D, /* 16 */ + 0x003D, 0x003D, 0x003D, 0x003D, + 0x003D, 0x003D, 0x0000, 0x003D, + 0x003D, 0x003D, 0x003D, 0x003D, + 0x003D, 0x003D, 0x003D, 0x003D, /* 32 */ + 0x003D, 0x003D, 0x003D, 0x003D, + 0x0042, 0x0046, 0x004B, 0x0050, + 0x0054, 0x0059, 0x005E, 0x0063, + 0x0067, 0x006C, 0x0071, 0x0075, /* 48 */ + 0x007A, +}; + +const u16 bcm43xx_ilt_sigmasqr2[BCM43xx_ILT_SIGMASQR_SIZE] = { + 0x00DE, 0x00DC, 0x00DA, 0x00D8, /* 0 */ + 0x00D6, 0x00D4, 0x00D2, 0x00CF, + 0x00CD, 0x00CA, 0x00C7, 0x00C4, + 0x00C1, 0x00BE, 0x00BE, 0x00BE, + 0x00BE, 0x00BE, 0x00BE, 0x00BE, /* 16 */ + 0x00BE, 0x00BE, 0x00BE, 0x00BE, + 0x00BE, 0x00BE, 0x0000, 0x00BE, + 0x00BE, 0x00BE, 0x00BE, 0x00BE, + 0x00BE, 0x00BE, 0x00BE, 0x00BE, /* 32 */ + 0x00BE, 0x00BE, 0x00BE, 0x00BE, + 0x00C1, 0x00C4, 0x00C7, 0x00CA, + 0x00CD, 0x00CF, 0x00D2, 0x00D4, + 0x00D6, 0x00D8, 0x00DA, 0x00DC, /* 48 */ + 0x00DE, +}; + +/**** Helper functions to access the device Internal Lookup Tables ****/ + +void bcm43xx_ilt_write(struct bcm43xx_private *bcm, u16 offset, u16 val) +{ + if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) { + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, offset); + mmiowb(); + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, val); + } else { + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_CTRL, offset); + mmiowb(); + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_DATA1, val); + } +} + +u16 bcm43xx_ilt_read(struct bcm43xx_private *bcm, u16 offset) +{ + if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) { + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, offset); + return bcm43xx_phy_read(bcm, BCM43xx_PHY_ILT_A_DATA1); + } else { + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_CTRL, offset); + return bcm43xx_phy_read(bcm, BCM43xx_PHY_ILT_G_DATA1); + } +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_ilt.h b/drivers/net/wireless/bcm43xx/bcm43xx_ilt.h new file mode 100644 index 00000000000..464521abf73 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_ilt.h @@ -0,0 +1,32 @@ +#ifndef BCM43xx_ILT_H_ +#define BCM43xx_ILT_H_ + +#define BCM43xx_ILT_ROTOR_SIZE 53 +extern const u32 bcm43xx_ilt_rotor[BCM43xx_ILT_ROTOR_SIZE]; +#define BCM43xx_ILT_RETARD_SIZE 53 +extern const u32 bcm43xx_ilt_retard[BCM43xx_ILT_RETARD_SIZE]; +#define BCM43xx_ILT_FINEFREQA_SIZE 256 +extern const u16 bcm43xx_ilt_finefreqa[BCM43xx_ILT_FINEFREQA_SIZE]; +#define BCM43xx_ILT_FINEFREQG_SIZE 256 +extern const u16 bcm43xx_ilt_finefreqg[BCM43xx_ILT_FINEFREQG_SIZE]; +#define BCM43xx_ILT_NOISEA2_SIZE 8 +extern const u16 bcm43xx_ilt_noisea2[BCM43xx_ILT_NOISEA2_SIZE]; +#define BCM43xx_ILT_NOISEA3_SIZE 8 +extern const u16 bcm43xx_ilt_noisea3[BCM43xx_ILT_NOISEA3_SIZE]; +#define BCM43xx_ILT_NOISEG1_SIZE 8 +extern const u16 bcm43xx_ilt_noiseg1[BCM43xx_ILT_NOISEG1_SIZE]; +#define BCM43xx_ILT_NOISEG2_SIZE 8 +extern const u16 bcm43xx_ilt_noiseg2[BCM43xx_ILT_NOISEG2_SIZE]; +#define BCM43xx_ILT_NOISESCALEG_SIZE 27 +extern const u16 bcm43xx_ilt_noisescaleg1[BCM43xx_ILT_NOISESCALEG_SIZE]; +extern const u16 bcm43xx_ilt_noisescaleg2[BCM43xx_ILT_NOISESCALEG_SIZE]; +extern const u16 bcm43xx_ilt_noisescaleg3[BCM43xx_ILT_NOISESCALEG_SIZE]; +#define BCM43xx_ILT_SIGMASQR_SIZE 53 +extern const u16 bcm43xx_ilt_sigmasqr1[BCM43xx_ILT_SIGMASQR_SIZE]; +extern const u16 bcm43xx_ilt_sigmasqr2[BCM43xx_ILT_SIGMASQR_SIZE]; + + +void bcm43xx_ilt_write(struct bcm43xx_private *bcm, u16 offset, u16 val); +u16 bcm43xx_ilt_read(struct bcm43xx_private *bcm, u16 offset); + +#endif /* BCM43xx_ILT_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_leds.c b/drivers/net/wireless/bcm43xx/bcm43xx_leds.c new file mode 100644 index 00000000000..4b2c02c0b31 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_leds.c @@ -0,0 +1,293 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "bcm43xx_leds.h" +#include "bcm43xx.h" + +#include <asm/bitops.h> + + +static void bcm43xx_led_changestate(struct bcm43xx_led *led) +{ + struct bcm43xx_private *bcm = led->bcm; + const int index = bcm43xx_led_index(led); + const u16 mask = (1 << index); + u16 ledctl; + + assert(index >= 0 && index < BCM43xx_NR_LEDS); + assert(led->blink_interval); + ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); + ledctl = (ledctl & mask) ? (ledctl & ~mask) : (ledctl | mask); + bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl); +} + +static void bcm43xx_led_blink(unsigned long d) +{ + struct bcm43xx_led *led = (struct bcm43xx_led *)d; + struct bcm43xx_private *bcm = led->bcm; + unsigned long flags; + + bcm43xx_lock_mmio(bcm, flags); + if (led->blink_interval) { + bcm43xx_led_changestate(led); + mod_timer(&led->blink_timer, jiffies + led->blink_interval); + } + bcm43xx_unlock_mmio(bcm, flags); +} + +static void bcm43xx_led_blink_start(struct bcm43xx_led *led, + unsigned long interval) +{ + if (led->blink_interval) + return; + led->blink_interval = interval; + bcm43xx_led_changestate(led); + led->blink_timer.expires = jiffies + interval; + add_timer(&led->blink_timer); +} + +static void bcm43xx_led_blink_stop(struct bcm43xx_led *led, int sync) +{ + struct bcm43xx_private *bcm = led->bcm; + const int index = bcm43xx_led_index(led); + u16 ledctl; + + if (!led->blink_interval) + return; + if (unlikely(sync)) + del_timer_sync(&led->blink_timer); + else + del_timer(&led->blink_timer); + led->blink_interval = 0; + + /* Make sure the LED is turned off. */ + assert(index >= 0 && index < BCM43xx_NR_LEDS); + ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); + if (led->activelow) + ledctl |= (1 << index); + else + ledctl &= ~(1 << index); + bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl); +} + +static void bcm43xx_led_init_hardcoded(struct bcm43xx_private *bcm, + struct bcm43xx_led *led, + int led_index) +{ + /* This function is called, if the behaviour (and activelow) + * information for a LED is missing in the SPROM. + * We hardcode the behaviour values for various devices here. + * Note that the BCM43xx_LED_TEST_XXX behaviour values can + * be used to figure out which led is mapped to which index. + */ + + switch (led_index) { + case 0: + led->behaviour = BCM43xx_LED_ACTIVITY; + if (bcm->board_vendor == PCI_VENDOR_ID_COMPAQ) + led->behaviour = BCM43xx_LED_RADIO_ALL; + break; + case 1: + led->behaviour = BCM43xx_LED_RADIO_B; + if (bcm->board_vendor == PCI_VENDOR_ID_ASUSTEK) + led->behaviour = BCM43xx_LED_ASSOC; + break; + case 2: + led->behaviour = BCM43xx_LED_RADIO_A; + break; + case 3: + led->behaviour = BCM43xx_LED_OFF; + break; + default: + assert(0); + } +} + +int bcm43xx_leds_init(struct bcm43xx_private *bcm) +{ + struct bcm43xx_led *led; + u8 sprom[4]; + int i; + + sprom[0] = bcm->sprom.wl0gpio0; + sprom[1] = bcm->sprom.wl0gpio1; + sprom[2] = bcm->sprom.wl0gpio2; + sprom[3] = bcm->sprom.wl0gpio3; + + for (i = 0; i < BCM43xx_NR_LEDS; i++) { + led = &(bcm->leds[i]); + led->bcm = bcm; + setup_timer(&led->blink_timer, + bcm43xx_led_blink, + (unsigned long)led); + + if (sprom[i] == 0xFF) { + bcm43xx_led_init_hardcoded(bcm, led, i); + } else { + led->behaviour = sprom[i] & BCM43xx_LED_BEHAVIOUR; + led->activelow = !!(sprom[i] & BCM43xx_LED_ACTIVELOW); + } + } + + return 0; +} + +void bcm43xx_leds_exit(struct bcm43xx_private *bcm) +{ + struct bcm43xx_led *led; + int i; + + for (i = 0; i < BCM43xx_NR_LEDS; i++) { + led = &(bcm->leds[i]); + bcm43xx_led_blink_stop(led, 1); + } + bcm43xx_leds_switch_all(bcm, 0); +} + +void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity) +{ + struct bcm43xx_led *led; + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + const int transferring = (jiffies - bcm->stats.last_tx) < BCM43xx_LED_XFER_THRES; + int i, turn_on; + unsigned long interval = 0; + u16 ledctl; + + ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); + for (i = 0; i < BCM43xx_NR_LEDS; i++) { + led = &(bcm->leds[i]); + + turn_on = 0; + switch (led->behaviour) { + case BCM43xx_LED_INACTIVE: + continue; + case BCM43xx_LED_OFF: + break; + case BCM43xx_LED_ON: + turn_on = 1; + break; + case BCM43xx_LED_ACTIVITY: + turn_on = activity; + break; + case BCM43xx_LED_RADIO_ALL: + turn_on = radio->enabled; + break; + case BCM43xx_LED_RADIO_A: + turn_on = (radio->enabled && phy->type == BCM43xx_PHYTYPE_A); + break; + case BCM43xx_LED_RADIO_B: + turn_on = (radio->enabled && + (phy->type == BCM43xx_PHYTYPE_B || + phy->type == BCM43xx_PHYTYPE_G)); + break; + case BCM43xx_LED_MODE_BG: + if (phy->type == BCM43xx_PHYTYPE_G && + 1/*FIXME: using G rates.*/) + turn_on = 1; + break; + case BCM43xx_LED_TRANSFER: + if (transferring) + bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_MEDIUM); + else + bcm43xx_led_blink_stop(led, 0); + continue; + case BCM43xx_LED_APTRANSFER: + if (bcm->ieee->iw_mode == IW_MODE_MASTER) { + if (transferring) { + interval = BCM43xx_LEDBLINK_FAST; + turn_on = 1; + } + } else { + turn_on = 1; + if (0/*TODO: not assoc*/) + interval = BCM43xx_LEDBLINK_SLOW; + else if (transferring) + interval = BCM43xx_LEDBLINK_FAST; + else + turn_on = 0; + } + if (turn_on) + bcm43xx_led_blink_start(led, interval); + else + bcm43xx_led_blink_stop(led, 0); + continue; + case BCM43xx_LED_WEIRD: + //TODO + break; + case BCM43xx_LED_ASSOC: + if (bcm->softmac->associated) + turn_on = 1; + break; +#ifdef CONFIG_BCM43XX_DEBUG + case BCM43xx_LED_TEST_BLINKSLOW: + bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_SLOW); + continue; + case BCM43xx_LED_TEST_BLINKMEDIUM: + bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_MEDIUM); + continue; + case BCM43xx_LED_TEST_BLINKFAST: + bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_FAST); + continue; +#endif /* CONFIG_BCM43XX_DEBUG */ + default: + assert(0); + }; + + if (led->activelow) + turn_on = !turn_on; + if (turn_on) + ledctl |= (1 << i); + else + ledctl &= ~(1 << i); + } + bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl); +} + +void bcm43xx_leds_switch_all(struct bcm43xx_private *bcm, int on) +{ + struct bcm43xx_led *led; + u16 ledctl; + int i; + int bit_on; + + ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); + for (i = 0; i < BCM43xx_NR_LEDS; i++) { + led = &(bcm->leds[i]); + if (led->behaviour == BCM43xx_LED_INACTIVE) + continue; + if (on) + bit_on = led->activelow ? 0 : 1; + else + bit_on = led->activelow ? 1 : 0; + if (bit_on) + ledctl |= (1 << i); + else + ledctl &= ~(1 << i); + } + bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl); +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_leds.h b/drivers/net/wireless/bcm43xx/bcm43xx_leds.h new file mode 100644 index 00000000000..d3716cf3aeb --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_leds.h @@ -0,0 +1,56 @@ +#ifndef BCM43xx_LEDS_H_ +#define BCM43xx_LEDS_H_ + +#include <linux/types.h> +#include <linux/timer.h> + + +struct bcm43xx_led { + u8 behaviour:7; + u8 activelow:1; + + struct bcm43xx_private *bcm; + struct timer_list blink_timer; + unsigned long blink_interval; +}; +#define bcm43xx_led_index(led) ((int)((led) - (led)->bcm->leds)) + +/* Delay between state changes when blinking in jiffies */ +#define BCM43xx_LEDBLINK_SLOW (HZ / 1) +#define BCM43xx_LEDBLINK_MEDIUM (HZ / 4) +#define BCM43xx_LEDBLINK_FAST (HZ / 8) + +#define BCM43xx_LED_XFER_THRES (HZ / 100) + +#define BCM43xx_LED_BEHAVIOUR 0x7F +#define BCM43xx_LED_ACTIVELOW 0x80 +enum { /* LED behaviour values */ + BCM43xx_LED_OFF, + BCM43xx_LED_ON, + BCM43xx_LED_ACTIVITY, + BCM43xx_LED_RADIO_ALL, + BCM43xx_LED_RADIO_A, + BCM43xx_LED_RADIO_B, + BCM43xx_LED_MODE_BG, + BCM43xx_LED_TRANSFER, + BCM43xx_LED_APTRANSFER, + BCM43xx_LED_WEIRD,//FIXME + BCM43xx_LED_ASSOC, + BCM43xx_LED_INACTIVE, + + /* Behaviour values for testing. + * With these values it is easier to figure out + * the real behaviour of leds, in case the SPROM + * is missing information. + */ + BCM43xx_LED_TEST_BLINKSLOW, + BCM43xx_LED_TEST_BLINKMEDIUM, + BCM43xx_LED_TEST_BLINKFAST, +}; + +int bcm43xx_leds_init(struct bcm43xx_private *bcm); +void bcm43xx_leds_exit(struct bcm43xx_private *bcm); +void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity); +void bcm43xx_leds_switch_all(struct bcm43xx_private *bcm, int on); + +#endif /* BCM43xx_LEDS_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c new file mode 100644 index 00000000000..c37371fc9e0 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -0,0 +1,3973 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <linux/if_arp.h> +#include <linux/etherdevice.h> +#include <linux/version.h> +#include <linux/firmware.h> +#include <linux/wireless.h> +#include <linux/workqueue.h> +#include <linux/skbuff.h> +#include <linux/dma-mapping.h> +#include <net/iw_handler.h> + +#include "bcm43xx.h" +#include "bcm43xx_main.h" +#include "bcm43xx_debugfs.h" +#include "bcm43xx_radio.h" +#include "bcm43xx_phy.h" +#include "bcm43xx_dma.h" +#include "bcm43xx_pio.h" +#include "bcm43xx_power.h" +#include "bcm43xx_wx.h" +#include "bcm43xx_ethtool.h" +#include "bcm43xx_xmit.h" + + +MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver"); +MODULE_AUTHOR("Martin Langer"); +MODULE_AUTHOR("Stefano Brivio"); +MODULE_AUTHOR("Michael Buesch"); +MODULE_LICENSE("GPL"); + +#ifdef CONFIG_BCM947XX +extern char *nvram_get(char *name); +#endif + +#if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO) +static int modparam_pio; +module_param_named(pio, modparam_pio, int, 0444); +MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode"); +#elif defined(CONFIG_BCM43XX_DMA) +# define modparam_pio 0 +#elif defined(CONFIG_BCM43XX_PIO) +# define modparam_pio 1 +#endif + +static int modparam_bad_frames_preempt; +module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); +MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames Preemption"); + +static int modparam_short_retry = BCM43xx_DEFAULT_SHORT_RETRY_LIMIT; +module_param_named(short_retry, modparam_short_retry, int, 0444); +MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)"); + +static int modparam_long_retry = BCM43xx_DEFAULT_LONG_RETRY_LIMIT; +module_param_named(long_retry, modparam_long_retry, int, 0444); +MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)"); + +static int modparam_locale = -1; +module_param_named(locale, modparam_locale, int, 0444); +MODULE_PARM_DESC(country, "Select LocaleCode 0-11 (For travelers)"); + +static int modparam_noleds; +module_param_named(noleds, modparam_noleds, int, 0444); +MODULE_PARM_DESC(noleds, "Turn off all LED activity"); + +#ifdef CONFIG_BCM43XX_DEBUG +static char modparam_fwpostfix[64]; +module_param_string(fwpostfix, modparam_fwpostfix, 64, 0444); +MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for debugging."); +#else +# define modparam_fwpostfix "" +#endif /* CONFIG_BCM43XX_DEBUG*/ + + +/* If you want to debug with just a single device, enable this, + * where the string is the pci device ID (as given by the kernel's + * pci_name function) of the device to be used. + */ +//#define DEBUG_SINGLE_DEVICE_ONLY "0001:11:00.0" + +/* If you want to enable printing of each MMIO access, enable this. */ +//#define DEBUG_ENABLE_MMIO_PRINT + +/* If you want to enable printing of MMIO access within + * ucode/pcm upload, initvals write, enable this. + */ +//#define DEBUG_ENABLE_UCODE_MMIO_PRINT + +/* If you want to enable printing of PCI Config Space access, enable this */ +//#define DEBUG_ENABLE_PCILOG + + +/* Detailed list maintained at: + * http://openfacts.berlios.de/index-en.phtml?title=Bcm43xxDevices + */ + static struct pci_device_id bcm43xx_pci_tbl[] = { + /* Broadcom 4303 802.11b */ + { PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 4307 802.11b */ + { PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 4318 802.11b/g */ + { PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 4306 802.11b/g */ + { PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 4306 802.11a */ +// { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 4309 802.11a/b/g */ + { PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 43XG 802.11b/g */ + { PCI_VENDOR_ID_BROADCOM, 0x4325, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, +#ifdef CONFIG_BCM947XX + /* SB bus on BCM947xx */ + { PCI_VENDOR_ID_BROADCOM, 0x0800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, +#endif + { 0 }, +}; +MODULE_DEVICE_TABLE(pci, bcm43xx_pci_tbl); + +static void bcm43xx_ram_write(struct bcm43xx_private *bcm, u16 offset, u32 val) +{ + u32 status; + + status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + if (!(status & BCM43xx_SBF_XFER_REG_BYTESWAP)) + val = swab32(val); + + bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_CONTROL, offset); + mmiowb(); + bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_DATA, val); +} + +static inline +void bcm43xx_shm_control_word(struct bcm43xx_private *bcm, + u16 routing, u16 offset) +{ + u32 control; + + /* "offset" is the WORD offset. */ + + control = routing; + control <<= 16; + control |= offset; + bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_CONTROL, control); +} + +u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm, + u16 routing, u16 offset) +{ + u32 ret; + + if (routing == BCM43xx_SHM_SHARED) { + if (offset & 0x0003) { + /* Unaligned access */ + bcm43xx_shm_control_word(bcm, routing, offset >> 2); + ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED); + ret <<= 16; + bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1); + ret |= bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA); + + return ret; + } + offset >>= 2; + } + bcm43xx_shm_control_word(bcm, routing, offset); + ret = bcm43xx_read32(bcm, BCM43xx_MMIO_SHM_DATA); + + return ret; +} + +u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm, + u16 routing, u16 offset) +{ + u16 ret; + + if (routing == BCM43xx_SHM_SHARED) { + if (offset & 0x0003) { + /* Unaligned access */ + bcm43xx_shm_control_word(bcm, routing, offset >> 2); + ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED); + + return ret; + } + offset >>= 2; + } + bcm43xx_shm_control_word(bcm, routing, offset); + ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA); + + return ret; +} + +void bcm43xx_shm_write32(struct bcm43xx_private *bcm, + u16 routing, u16 offset, + u32 value) +{ + if (routing == BCM43xx_SHM_SHARED) { + if (offset & 0x0003) { + /* Unaligned access */ + bcm43xx_shm_control_word(bcm, routing, offset >> 2); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED, + (value >> 16) & 0xffff); + mmiowb(); + bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, + value & 0xffff); + return; + } + offset >>= 2; + } + bcm43xx_shm_control_word(bcm, routing, offset); + mmiowb(); + bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, value); +} + +void bcm43xx_shm_write16(struct bcm43xx_private *bcm, + u16 routing, u16 offset, + u16 value) +{ + if (routing == BCM43xx_SHM_SHARED) { + if (offset & 0x0003) { + /* Unaligned access */ + bcm43xx_shm_control_word(bcm, routing, offset >> 2); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED, + value); + return; + } + offset >>= 2; + } + bcm43xx_shm_control_word(bcm, routing, offset); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, value); +} + +void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf) +{ + /* We need to be careful. As we read the TSF from multiple + * registers, we should take care of register overflows. + * In theory, the whole tsf read process should be atomic. + * We try to be atomic here, by restaring the read process, + * if any of the high registers changed (overflew). + */ + if (bcm->current_core->rev >= 3) { + u32 low, high, high2; + + do { + high = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); + low = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW); + high2 = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); + } while (unlikely(high != high2)); + + *tsf = high; + *tsf <<= 32; + *tsf |= low; + } else { + u64 tmp; + u16 v0, v1, v2, v3; + u16 test1, test2, test3; + + do { + v3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3); + v2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2); + v1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1); + v0 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_0); + + test3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3); + test2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2); + test1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1); + } while (v3 != test3 || v2 != test2 || v1 != test1); + + *tsf = v3; + *tsf <<= 48; + tmp = v2; + tmp <<= 32; + *tsf |= tmp; + tmp = v1; + tmp <<= 16; + *tsf |= tmp; + *tsf |= v0; + } +} + +void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf) +{ + u32 status; + + status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + status |= BCM43xx_SBF_TIME_UPDATE; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); + mmiowb(); + + /* Be careful with the in-progress timer. + * First zero out the low register, so we have a full + * register-overflow duration to complete the operation. + */ + if (bcm->current_core->rev >= 3) { + u32 lo = (tsf & 0x00000000FFFFFFFFULL); + u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32; + + bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0); + mmiowb(); + bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi); + mmiowb(); + bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, lo); + } else { + u16 v0 = (tsf & 0x000000000000FFFFULL); + u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16; + u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32; + u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48; + + bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, 0); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_3, v3); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_2, v2); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_1, v1); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, v0); + } + + status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + status &= ~BCM43xx_SBF_TIME_UPDATE; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); +} + +static +void bcm43xx_macfilter_set(struct bcm43xx_private *bcm, + u16 offset, + const u8 *mac) +{ + u16 data; + + offset |= 0x0020; + bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_CONTROL, offset); + + data = mac[0]; + data |= mac[1] << 8; + bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); + data = mac[2]; + data |= mac[3] << 8; + bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); + data = mac[4]; + data |= mac[5] << 8; + bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); +} + +static void bcm43xx_macfilter_clear(struct bcm43xx_private *bcm, + u16 offset) +{ + const u8 zero_addr[ETH_ALEN] = { 0 }; + + bcm43xx_macfilter_set(bcm, offset, zero_addr); +} + +static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_private *bcm) +{ + const u8 *mac = (const u8 *)(bcm->net_dev->dev_addr); + const u8 *bssid = (const u8 *)(bcm->ieee->bssid); + u8 mac_bssid[ETH_ALEN * 2]; + int i; + + memcpy(mac_bssid, mac, ETH_ALEN); + memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN); + + /* Write our MAC address and BSSID to template ram */ + for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) + bcm43xx_ram_write(bcm, 0x20 + i, *((u32 *)(mac_bssid + i))); + for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) + bcm43xx_ram_write(bcm, 0x78 + i, *((u32 *)(mac_bssid + i))); + for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) + bcm43xx_ram_write(bcm, 0x478 + i, *((u32 *)(mac_bssid + i))); +} + +//FIXME: Well, we should probably call them from somewhere. +#if 0 +static void bcm43xx_set_slot_time(struct bcm43xx_private *bcm, u16 slot_time) +{ + /* slot_time is in usec. */ + if (bcm43xx_current_phy(bcm)->type != BCM43xx_PHYTYPE_G) + return; + bcm43xx_write16(bcm, 0x684, 510 + slot_time); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0010, slot_time); +} + +static void bcm43xx_short_slot_timing_enable(struct bcm43xx_private *bcm) +{ + bcm43xx_set_slot_time(bcm, 9); +} + +static void bcm43xx_short_slot_timing_disable(struct bcm43xx_private *bcm) +{ + bcm43xx_set_slot_time(bcm, 20); +} +#endif + +/* FIXME: To get the MAC-filter working, we need to implement the + * following functions (and rename them :) + */ +#if 0 +static void bcm43xx_disassociate(struct bcm43xx_private *bcm) +{ + bcm43xx_mac_suspend(bcm); + bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); + + bcm43xx_ram_write(bcm, 0x0026, 0x0000); + bcm43xx_ram_write(bcm, 0x0028, 0x0000); + bcm43xx_ram_write(bcm, 0x007E, 0x0000); + bcm43xx_ram_write(bcm, 0x0080, 0x0000); + bcm43xx_ram_write(bcm, 0x047E, 0x0000); + bcm43xx_ram_write(bcm, 0x0480, 0x0000); + + if (bcm->current_core->rev < 3) { + bcm43xx_write16(bcm, 0x0610, 0x8000); + bcm43xx_write16(bcm, 0x060E, 0x0000); + } else + bcm43xx_write32(bcm, 0x0188, 0x80000000); + + bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff); + + if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G && + ieee80211_is_ofdm_rate(bcm->softmac->txrates.default_rate)) + bcm43xx_short_slot_timing_enable(bcm); + + bcm43xx_mac_enable(bcm); +} + +static void bcm43xx_associate(struct bcm43xx_private *bcm, + const u8 *mac) +{ + memcpy(bcm->ieee->bssid, mac, ETH_ALEN); + + bcm43xx_mac_suspend(bcm); + bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_ASSOC, mac); + bcm43xx_write_mac_bssid_templates(bcm); + bcm43xx_mac_enable(bcm); +} +#endif + +/* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable. + * Returns the _previously_ enabled IRQ mask. + */ +static inline u32 bcm43xx_interrupt_enable(struct bcm43xx_private *bcm, u32 mask) +{ + u32 old_mask; + + old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); + bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask | mask); + + return old_mask; +} + +/* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable. + * Returns the _previously_ enabled IRQ mask. + */ +static inline u32 bcm43xx_interrupt_disable(struct bcm43xx_private *bcm, u32 mask) +{ + u32 old_mask; + + old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); + bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask & ~mask); + + return old_mask; +} + +/* Make sure we don't receive more data from the device. */ +static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm, u32 *oldstate) +{ + u32 old; + unsigned long flags; + + bcm43xx_lock_mmio(bcm, flags); + if (bcm43xx_is_initializing(bcm) || bcm->shutting_down) { + bcm43xx_unlock_mmio(bcm, flags); + return -EBUSY; + } + old = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + tasklet_disable(&bcm->isr_tasklet); + bcm43xx_unlock_mmio(bcm, flags); + if (oldstate) + *oldstate = old; + + return 0; +} + +static int bcm43xx_read_radioinfo(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u32 radio_id; + u16 manufact; + u16 version; + u8 revision; + s8 i; + + if (bcm->chip_id == 0x4317) { + if (bcm->chip_rev == 0x00) + radio_id = 0x3205017F; + else if (bcm->chip_rev == 0x01) + radio_id = 0x4205017F; + else + radio_id = 0x5205017F; + } else { + bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID); + radio_id = bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_HIGH); + radio_id <<= 16; + bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID); + radio_id |= bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW); + } + + manufact = (radio_id & 0x00000FFF); + version = (radio_id & 0x0FFFF000) >> 12; + revision = (radio_id & 0xF0000000) >> 28; + + dprintk(KERN_INFO PFX "Detected Radio: ID: %x (Manuf: %x Ver: %x Rev: %x)\n", + radio_id, manufact, version, revision); + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + if ((version != 0x2060) || (revision != 1) || (manufact != 0x17f)) + goto err_unsupported_radio; + break; + case BCM43xx_PHYTYPE_B: + if ((version & 0xFFF0) != 0x2050) + goto err_unsupported_radio; + break; + case BCM43xx_PHYTYPE_G: + if (version != 0x2050) + goto err_unsupported_radio; + break; + } + + radio->manufact = manufact; + radio->version = version; + radio->revision = revision; + + /* Set default attenuation values. */ + radio->baseband_atten = bcm43xx_default_baseband_attenuation(bcm); + radio->radio_atten = bcm43xx_default_radio_attenuation(bcm); + radio->txctl1 = bcm43xx_default_txctl1(bcm); + radio->txctl2 = 0xFFFF; + if (phy->type == BCM43xx_PHYTYPE_A) + radio->txpower_desired = bcm->sprom.maxpower_aphy; + else + radio->txpower_desired = bcm->sprom.maxpower_bgphy; + + /* Initialize the in-memory nrssi Lookup Table. */ + for (i = 0; i < 64; i++) + radio->nrssi_lt[i] = i; + + return 0; + +err_unsupported_radio: + printk(KERN_ERR PFX "Unsupported Radio connected to the PHY!\n"); + return -ENODEV; +} + +static const char * bcm43xx_locale_iso(u8 locale) +{ + /* ISO 3166-1 country codes. + * Note that there aren't ISO 3166-1 codes for + * all or locales. (Not all locales are countries) + */ + switch (locale) { + case BCM43xx_LOCALE_WORLD: + case BCM43xx_LOCALE_ALL: + return "XX"; + case BCM43xx_LOCALE_THAILAND: + return "TH"; + case BCM43xx_LOCALE_ISRAEL: + return "IL"; + case BCM43xx_LOCALE_JORDAN: + return "JO"; + case BCM43xx_LOCALE_CHINA: + return "CN"; + case BCM43xx_LOCALE_JAPAN: + case BCM43xx_LOCALE_JAPAN_HIGH: + return "JP"; + case BCM43xx_LOCALE_USA_CANADA_ANZ: + case BCM43xx_LOCALE_USA_LOW: + return "US"; + case BCM43xx_LOCALE_EUROPE: + return "EU"; + case BCM43xx_LOCALE_NONE: + return " "; + } + assert(0); + return " "; +} + +static const char * bcm43xx_locale_string(u8 locale) +{ + switch (locale) { + case BCM43xx_LOCALE_WORLD: + return "World"; + case BCM43xx_LOCALE_THAILAND: + return "Thailand"; + case BCM43xx_LOCALE_ISRAEL: + return "Israel"; + case BCM43xx_LOCALE_JORDAN: + return "Jordan"; + case BCM43xx_LOCALE_CHINA: + return "China"; + case BCM43xx_LOCALE_JAPAN: + return "Japan"; + case BCM43xx_LOCALE_USA_CANADA_ANZ: + return "USA/Canada/ANZ"; + case BCM43xx_LOCALE_EUROPE: + return "Europe"; + case BCM43xx_LOCALE_USA_LOW: + return "USAlow"; + case BCM43xx_LOCALE_JAPAN_HIGH: + return "JapanHigh"; + case BCM43xx_LOCALE_ALL: + return "All"; + case BCM43xx_LOCALE_NONE: + return "None"; + } + assert(0); + return ""; +} + +static inline u8 bcm43xx_crc8(u8 crc, u8 data) +{ + static const u8 t[] = { + 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, + 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, + 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, + 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, + 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, + 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, + 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, + 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, + 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, + 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, + 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, + 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, + 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, + 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, + 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, + 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, + 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, + 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, + 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, + 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, + 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, + 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, + 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, + 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, + 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, + 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, + 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, + 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, + 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, + 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, + 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, + 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F, + }; + return t[crc ^ data]; +} + +static u8 bcm43xx_sprom_crc(const u16 *sprom) +{ + int word; + u8 crc = 0xFF; + + for (word = 0; word < BCM43xx_SPROM_SIZE - 1; word++) { + crc = bcm43xx_crc8(crc, sprom[word] & 0x00FF); + crc = bcm43xx_crc8(crc, (sprom[word] & 0xFF00) >> 8); + } + crc = bcm43xx_crc8(crc, sprom[BCM43xx_SPROM_VERSION] & 0x00FF); + crc ^= 0xFF; + + return crc; +} + +int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom) +{ + int i; + u8 crc, expected_crc; + + for (i = 0; i < BCM43xx_SPROM_SIZE; i++) + sprom[i] = bcm43xx_read16(bcm, BCM43xx_SPROM_BASE + (i * 2)); + /* CRC-8 check. */ + crc = bcm43xx_sprom_crc(sprom); + expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8; + if (crc != expected_crc) { + printk(KERN_WARNING PFX "WARNING: Invalid SPROM checksum " + "(0x%02X, expected: 0x%02X)\n", + crc, expected_crc); + return -EINVAL; + } + + return 0; +} + +int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom) +{ + int i, err; + u8 crc, expected_crc; + u32 spromctl; + + /* CRC-8 validation of the input data. */ + crc = bcm43xx_sprom_crc(sprom); + expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8; + if (crc != expected_crc) { + printk(KERN_ERR PFX "SPROM input data: Invalid CRC\n"); + return -EINVAL; + } + + printk(KERN_INFO PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n"); + err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_SPROMCTL, &spromctl); + if (err) + goto err_ctlreg; + spromctl |= 0x10; /* SPROM WRITE enable. */ + bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); + if (err) + goto err_ctlreg; + /* We must burn lots of CPU cycles here, but that does not + * really matter as one does not write the SPROM every other minute... + */ + printk(KERN_INFO PFX "[ 0%%"); + mdelay(500); + for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { + if (i == 16) + printk("25%%"); + else if (i == 32) + printk("50%%"); + else if (i == 48) + printk("75%%"); + else if (i % 2) + printk("."); + bcm43xx_write16(bcm, BCM43xx_SPROM_BASE + (i * 2), sprom[i]); + mmiowb(); + mdelay(20); + } + spromctl &= ~0x10; /* SPROM WRITE enable. */ + bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); + if (err) + goto err_ctlreg; + mdelay(500); + printk("100%% ]\n"); + printk(KERN_INFO PFX "SPROM written.\n"); + bcm43xx_controller_restart(bcm, "SPROM update"); + + return 0; +err_ctlreg: + printk(KERN_ERR PFX "Could not access SPROM control register.\n"); + return -ENODEV; +} + +static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm) +{ + u16 value; + u16 *sprom; +#ifdef CONFIG_BCM947XX + char *c; +#endif + + sprom = kzalloc(BCM43xx_SPROM_SIZE * sizeof(u16), + GFP_KERNEL); + if (!sprom) { + printk(KERN_ERR PFX "sprom_extract OOM\n"); + return -ENOMEM; + } +#ifdef CONFIG_BCM947XX + sprom[BCM43xx_SPROM_BOARDFLAGS2] = atoi(nvram_get("boardflags2")); + sprom[BCM43xx_SPROM_BOARDFLAGS] = atoi(nvram_get("boardflags")); + + if ((c = nvram_get("il0macaddr")) != NULL) + e_aton(c, (char *) &(sprom[BCM43xx_SPROM_IL0MACADDR])); + + if ((c = nvram_get("et1macaddr")) != NULL) + e_aton(c, (char *) &(sprom[BCM43xx_SPROM_ET1MACADDR])); + + sprom[BCM43xx_SPROM_PA0B0] = atoi(nvram_get("pa0b0")); + sprom[BCM43xx_SPROM_PA0B1] = atoi(nvram_get("pa0b1")); + sprom[BCM43xx_SPROM_PA0B2] = atoi(nvram_get("pa0b2")); + + sprom[BCM43xx_SPROM_PA1B0] = atoi(nvram_get("pa1b0")); + sprom[BCM43xx_SPROM_PA1B1] = atoi(nvram_get("pa1b1")); + sprom[BCM43xx_SPROM_PA1B2] = atoi(nvram_get("pa1b2")); + + sprom[BCM43xx_SPROM_BOARDREV] = atoi(nvram_get("boardrev")); +#else + bcm43xx_sprom_read(bcm, sprom); +#endif + + /* boardflags2 */ + value = sprom[BCM43xx_SPROM_BOARDFLAGS2]; + bcm->sprom.boardflags2 = value; + + /* il0macaddr */ + value = sprom[BCM43xx_SPROM_IL0MACADDR + 0]; + *(((u16 *)bcm->sprom.il0macaddr) + 0) = cpu_to_be16(value); + value = sprom[BCM43xx_SPROM_IL0MACADDR + 1]; + *(((u16 *)bcm->sprom.il0macaddr) + 1) = cpu_to_be16(value); + value = sprom[BCM43xx_SPROM_IL0MACADDR + 2]; + *(((u16 *)bcm->sprom.il0macaddr) + 2) = cpu_to_be16(value); + + /* et0macaddr */ + value = sprom[BCM43xx_SPROM_ET0MACADDR + 0]; + *(((u16 *)bcm->sprom.et0macaddr) + 0) = cpu_to_be16(value); + value = sprom[BCM43xx_SPROM_ET0MACADDR + 1]; + *(((u16 *)bcm->sprom.et0macaddr) + 1) = cpu_to_be16(value); + value = sprom[BCM43xx_SPROM_ET0MACADDR + 2]; + *(((u16 *)bcm->sprom.et0macaddr) + 2) = cpu_to_be16(value); + + /* et1macaddr */ + value = sprom[BCM43xx_SPROM_ET1MACADDR + 0]; + *(((u16 *)bcm->sprom.et1macaddr) + 0) = cpu_to_be16(value); + value = sprom[BCM43xx_SPROM_ET1MACADDR + 1]; + *(((u16 *)bcm->sprom.et1macaddr) + 1) = cpu_to_be16(value); + value = sprom[BCM43xx_SPROM_ET1MACADDR + 2]; + *(((u16 *)bcm->sprom.et1macaddr) + 2) = cpu_to_be16(value); + + /* ethernet phy settings */ + value = sprom[BCM43xx_SPROM_ETHPHY]; + bcm->sprom.et0phyaddr = (value & 0x001F); + bcm->sprom.et1phyaddr = (value & 0x03E0) >> 5; + bcm->sprom.et0mdcport = (value & (1 << 14)) >> 14; + bcm->sprom.et1mdcport = (value & (1 << 15)) >> 15; + + /* boardrev, antennas, locale */ + value = sprom[BCM43xx_SPROM_BOARDREV]; + bcm->sprom.boardrev = (value & 0x00FF); + bcm->sprom.locale = (value & 0x0F00) >> 8; + bcm->sprom.antennas_aphy = (value & 0x3000) >> 12; + bcm->sprom.antennas_bgphy = (value & 0xC000) >> 14; + if (modparam_locale != -1) { + if (modparam_locale >= 0 && modparam_locale <= 11) { + bcm->sprom.locale = modparam_locale; + printk(KERN_WARNING PFX "Operating with modified " + "LocaleCode %u (%s)\n", + bcm->sprom.locale, + bcm43xx_locale_string(bcm->sprom.locale)); + } else { + printk(KERN_WARNING PFX "Module parameter \"locale\" " + "invalid value. (0 - 11)\n"); + } + } + + /* pa0b* */ + value = sprom[BCM43xx_SPROM_PA0B0]; + bcm->sprom.pa0b0 = value; + value = sprom[BCM43xx_SPROM_PA0B1]; + bcm->sprom.pa0b1 = value; + value = sprom[BCM43xx_SPROM_PA0B2]; + bcm->sprom.pa0b2 = value; + + /* wl0gpio* */ + value = sprom[BCM43xx_SPROM_WL0GPIO0]; + if (value == 0x0000) + value = 0xFFFF; + bcm->sprom.wl0gpio0 = value & 0x00FF; + bcm->sprom.wl0gpio1 = (value & 0xFF00) >> 8; + value = sprom[BCM43xx_SPROM_WL0GPIO2]; + if (value == 0x0000) + value = 0xFFFF; + bcm->sprom.wl0gpio2 = value & 0x00FF; + bcm->sprom.wl0gpio3 = (value & 0xFF00) >> 8; + + /* maxpower */ + value = sprom[BCM43xx_SPROM_MAXPWR]; + bcm->sprom.maxpower_aphy = (value & 0xFF00) >> 8; + bcm->sprom.maxpower_bgphy = value & 0x00FF; + + /* pa1b* */ + value = sprom[BCM43xx_SPROM_PA1B0]; + bcm->sprom.pa1b0 = value; + value = sprom[BCM43xx_SPROM_PA1B1]; + bcm->sprom.pa1b1 = value; + value = sprom[BCM43xx_SPROM_PA1B2]; + bcm->sprom.pa1b2 = value; + + /* idle tssi target */ + value = sprom[BCM43xx_SPROM_IDL_TSSI_TGT]; + bcm->sprom.idle_tssi_tgt_aphy = value & 0x00FF; + bcm->sprom.idle_tssi_tgt_bgphy = (value & 0xFF00) >> 8; + + /* boardflags */ + value = sprom[BCM43xx_SPROM_BOARDFLAGS]; + if (value == 0xFFFF) + value = 0x0000; + bcm->sprom.boardflags = value; + /* boardflags workarounds */ + if (bcm->board_vendor == PCI_VENDOR_ID_DELL && + bcm->chip_id == 0x4301 && + bcm->board_revision == 0x74) + bcm->sprom.boardflags |= BCM43xx_BFL_BTCOEXIST; + if (bcm->board_vendor == PCI_VENDOR_ID_APPLE && + bcm->board_type == 0x4E && + bcm->board_revision > 0x40) + bcm->sprom.boardflags |= BCM43xx_BFL_PACTRL; + + /* antenna gain */ + value = sprom[BCM43xx_SPROM_ANTENNA_GAIN]; + if (value == 0x0000 || value == 0xFFFF) + value = 0x0202; + /* convert values to Q5.2 */ + bcm->sprom.antennagain_aphy = ((value & 0xFF00) >> 8) * 4; + bcm->sprom.antennagain_bgphy = (value & 0x00FF) * 4; + + kfree(sprom); + + return 0; +} + +static void bcm43xx_geo_init(struct bcm43xx_private *bcm) +{ + struct ieee80211_geo geo; + struct ieee80211_channel *chan; + int have_a = 0, have_bg = 0; + int i; + u8 channel; + struct bcm43xx_phyinfo *phy; + const char *iso_country; + + memset(&geo, 0, sizeof(geo)); + for (i = 0; i < bcm->nr_80211_available; i++) { + phy = &(bcm->core_80211_ext[i].phy); + switch (phy->type) { + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: + have_bg = 1; + break; + case BCM43xx_PHYTYPE_A: + have_a = 1; + break; + default: + assert(0); + } + } + iso_country = bcm43xx_locale_iso(bcm->sprom.locale); + + if (have_a) { + for (i = 0, channel = 0; channel < 201; channel++) { + chan = &geo.a[i++]; + chan->freq = bcm43xx_channel_to_freq_a(channel); + chan->channel = channel; + } + geo.a_channels = i; + } + if (have_bg) { + for (i = 0, channel = 1; channel < 15; channel++) { + chan = &geo.bg[i++]; + chan->freq = bcm43xx_channel_to_freq_bg(channel); + chan->channel = channel; + } + geo.bg_channels = i; + } + memcpy(geo.name, iso_country, 2); + if (0 /*TODO: Outdoor use only */) + geo.name[2] = 'O'; + else if (0 /*TODO: Indoor use only */) + geo.name[2] = 'I'; + else + geo.name[2] = ' '; + geo.name[3] = '\0'; + + ieee80211_set_geo(bcm->ieee, &geo); +} + +/* DummyTransmission function, as documented on + * http://bcm-specs.sipsolutions.net/DummyTransmission + */ +void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + unsigned int i, max_loop; + u16 value = 0; + u32 buffer[5] = { + 0x00000000, + 0x0000D400, + 0x00000000, + 0x00000001, + 0x00000000, + }; + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + max_loop = 0x1E; + buffer[0] = 0xCC010200; + break; + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: + max_loop = 0xFA; + buffer[0] = 0x6E840B00; + break; + default: + assert(0); + return; + } + + for (i = 0; i < 5; i++) + bcm43xx_ram_write(bcm, i * 4, buffer[i]); + + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ + + bcm43xx_write16(bcm, 0x0568, 0x0000); + bcm43xx_write16(bcm, 0x07C0, 0x0000); + bcm43xx_write16(bcm, 0x050C, ((phy->type == BCM43xx_PHYTYPE_A) ? 1 : 0)); + bcm43xx_write16(bcm, 0x0508, 0x0000); + bcm43xx_write16(bcm, 0x050A, 0x0000); + bcm43xx_write16(bcm, 0x054C, 0x0000); + bcm43xx_write16(bcm, 0x056A, 0x0014); + bcm43xx_write16(bcm, 0x0568, 0x0826); + bcm43xx_write16(bcm, 0x0500, 0x0000); + bcm43xx_write16(bcm, 0x0502, 0x0030); + + if (radio->version == 0x2050 && radio->revision <= 0x5) + bcm43xx_radio_write16(bcm, 0x0051, 0x0017); + for (i = 0x00; i < max_loop; i++) { + value = bcm43xx_read16(bcm, 0x050E); + if (value & 0x0080) + break; + udelay(10); + } + for (i = 0x00; i < 0x0A; i++) { + value = bcm43xx_read16(bcm, 0x050E); + if (value & 0x0400) + break; + udelay(10); + } + for (i = 0x00; i < 0x0A; i++) { + value = bcm43xx_read16(bcm, 0x0690); + if (!(value & 0x0100)) + break; + udelay(10); + } + if (radio->version == 0x2050 && radio->revision <= 0x5) + bcm43xx_radio_write16(bcm, 0x0051, 0x0037); +} + +static void key_write(struct bcm43xx_private *bcm, + u8 index, u8 algorithm, const u16 *key) +{ + unsigned int i, basic_wep = 0; + u32 offset; + u16 value; + + /* Write associated key information */ + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x100 + (index * 2), + ((index << 4) | (algorithm & 0x0F))); + + /* The first 4 WEP keys need extra love */ + if (((algorithm == BCM43xx_SEC_ALGO_WEP) || + (algorithm == BCM43xx_SEC_ALGO_WEP104)) && (index < 4)) + basic_wep = 1; + + /* Write key payload, 8 little endian words */ + offset = bcm->security_offset + (index * BCM43xx_SEC_KEYSIZE); + for (i = 0; i < (BCM43xx_SEC_KEYSIZE / sizeof(u16)); i++) { + value = cpu_to_le16(key[i]); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, + offset + (i * 2), value); + + if (!basic_wep) + continue; + + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, + offset + (i * 2) + 4 * BCM43xx_SEC_KEYSIZE, + value); + } +} + +static void keymac_write(struct bcm43xx_private *bcm, + u8 index, const u32 *addr) +{ + /* for keys 0-3 there is no associated mac address */ + if (index < 4) + return; + + index -= 4; + if (bcm->current_core->rev >= 5) { + bcm43xx_shm_write32(bcm, + BCM43xx_SHM_HWMAC, + index * 2, + cpu_to_be32(*addr)); + bcm43xx_shm_write16(bcm, + BCM43xx_SHM_HWMAC, + (index * 2) + 1, + cpu_to_be16(*((u16 *)(addr + 1)))); + } else { + if (index < 8) { + TODO(); /* Put them in the macaddress filter */ + } else { + TODO(); + /* Put them BCM43xx_SHM_SHARED, stating index 0x0120. + Keep in mind to update the count of keymacs in 0x003E as well! */ + } + } +} + +static int bcm43xx_key_write(struct bcm43xx_private *bcm, + u8 index, u8 algorithm, + const u8 *_key, int key_len, + const u8 *mac_addr) +{ + u8 key[BCM43xx_SEC_KEYSIZE] = { 0 }; + + if (index >= ARRAY_SIZE(bcm->key)) + return -EINVAL; + if (key_len > ARRAY_SIZE(key)) + return -EINVAL; + if (algorithm < 1 || algorithm > 5) + return -EINVAL; + + memcpy(key, _key, key_len); + key_write(bcm, index, algorithm, (const u16 *)key); + keymac_write(bcm, index, (const u32 *)mac_addr); + + bcm->key[index].algorithm = algorithm; + + return 0; +} + +static void bcm43xx_clear_keys(struct bcm43xx_private *bcm) +{ + static const u32 zero_mac[2] = { 0 }; + unsigned int i,j, nr_keys = 54; + u16 offset; + + if (bcm->current_core->rev < 5) + nr_keys = 16; + assert(nr_keys <= ARRAY_SIZE(bcm->key)); + + for (i = 0; i < nr_keys; i++) { + bcm->key[i].enabled = 0; + /* returns for i < 4 immediately */ + keymac_write(bcm, i, zero_mac); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, + 0x100 + (i * 2), 0x0000); + for (j = 0; j < 8; j++) { + offset = bcm->security_offset + (j * 4) + (i * BCM43xx_SEC_KEYSIZE); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, + offset, 0x0000); + } + } + dprintk(KERN_INFO PFX "Keys cleared\n"); +} + +/* Lowlevel core-switch function. This is only to be used in + * bcm43xx_switch_core() and bcm43xx_probe_cores() + */ +static int _switch_core(struct bcm43xx_private *bcm, int core) +{ + int err; + int attempts = 0; + u32 current_core; + + assert(core >= 0); + while (1) { + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE, + (core * 0x1000) + 0x18000000); + if (unlikely(err)) + goto error; + err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE, + ¤t_core); + if (unlikely(err)) + goto error; + current_core = (current_core - 0x18000000) / 0x1000; + if (current_core == core) + break; + + if (unlikely(attempts++ > BCM43xx_SWITCH_CORE_MAX_RETRIES)) + goto error; + udelay(10); + } +#ifdef CONFIG_BCM947XX + if (bcm->pci_dev->bus->number == 0) + bcm->current_core_offset = 0x1000 * core; + else + bcm->current_core_offset = 0; +#endif + + return 0; +error: + printk(KERN_ERR PFX "Failed to switch to core %d\n", core); + return -ENODEV; +} + +int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core) +{ + int err; + + if (unlikely(!new_core)) + return 0; + if (!new_core->available) + return -ENODEV; + if (bcm->current_core == new_core) + return 0; + err = _switch_core(bcm, new_core->index); + if (unlikely(err)) + goto out; + + bcm->current_core = new_core; + bcm->current_80211_core_idx = -1; + if (new_core->id == BCM43xx_COREID_80211) + bcm->current_80211_core_idx = (int)(new_core - &(bcm->core_80211[0])); + +out: + return err; +} + +static int bcm43xx_core_enabled(struct bcm43xx_private *bcm) +{ + u32 value; + + value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + value &= BCM43xx_SBTMSTATELOW_CLOCK | BCM43xx_SBTMSTATELOW_RESET + | BCM43xx_SBTMSTATELOW_REJECT; + + return (value == BCM43xx_SBTMSTATELOW_CLOCK); +} + +/* disable current core */ +static int bcm43xx_core_disable(struct bcm43xx_private *bcm, u32 core_flags) +{ + u32 sbtmstatelow; + u32 sbtmstatehigh; + int i; + + /* fetch sbtmstatelow from core information registers */ + sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + + /* core is already in reset */ + if (sbtmstatelow & BCM43xx_SBTMSTATELOW_RESET) + goto out; + + if (sbtmstatelow & BCM43xx_SBTMSTATELOW_CLOCK) { + sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | + BCM43xx_SBTMSTATELOW_REJECT; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + + for (i = 0; i < 1000; i++) { + sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + if (sbtmstatelow & BCM43xx_SBTMSTATELOW_REJECT) { + i = -1; + break; + } + udelay(10); + } + if (i != -1) { + printk(KERN_ERR PFX "Error: core_disable() REJECT timeout!\n"); + return -EBUSY; + } + + for (i = 0; i < 1000; i++) { + sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); + if (!(sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_BUSY)) { + i = -1; + break; + } + udelay(10); + } + if (i != -1) { + printk(KERN_ERR PFX "Error: core_disable() BUSY timeout!\n"); + return -EBUSY; + } + + sbtmstatelow = BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | + BCM43xx_SBTMSTATELOW_REJECT | + BCM43xx_SBTMSTATELOW_RESET | + BCM43xx_SBTMSTATELOW_CLOCK | + core_flags; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + udelay(10); + } + + sbtmstatelow = BCM43xx_SBTMSTATELOW_RESET | + BCM43xx_SBTMSTATELOW_REJECT | + core_flags; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + +out: + bcm->current_core->enabled = 0; + + return 0; +} + +/* enable (reset) current core */ +static int bcm43xx_core_enable(struct bcm43xx_private *bcm, u32 core_flags) +{ + u32 sbtmstatelow; + u32 sbtmstatehigh; + u32 sbimstate; + int err; + + err = bcm43xx_core_disable(bcm, core_flags); + if (err) + goto out; + + sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | + BCM43xx_SBTMSTATELOW_RESET | + BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | + core_flags; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + udelay(1); + + sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); + if (sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_SERROR) { + sbtmstatehigh = 0x00000000; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATEHIGH, sbtmstatehigh); + } + + sbimstate = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMSTATE); + if (sbimstate & (BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT)) { + sbimstate &= ~(BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT); + bcm43xx_write32(bcm, BCM43xx_CIR_SBIMSTATE, sbimstate); + } + + sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | + BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | + core_flags; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + udelay(1); + + sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | core_flags; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + udelay(1); + + bcm->current_core->enabled = 1; + assert(err == 0); +out: + return err; +} + +/* http://bcm-specs.sipsolutions.net/80211CoreReset */ +void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy) +{ + u32 flags = 0x00040000; + + if ((bcm43xx_core_enabled(bcm)) && + !bcm43xx_using_pio(bcm)) { +//FIXME: Do we _really_ want #ifndef CONFIG_BCM947XX here? +#ifndef CONFIG_BCM947XX + /* reset all used DMA controllers. */ + bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA1_BASE); + bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA2_BASE); + bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA3_BASE); + bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA4_BASE); + bcm43xx_dmacontroller_rx_reset(bcm, BCM43xx_MMIO_DMA1_BASE); + if (bcm->current_core->rev < 5) + bcm43xx_dmacontroller_rx_reset(bcm, BCM43xx_MMIO_DMA4_BASE); +#endif + } + if (bcm->shutting_down) { + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) + & ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002)); + } else { + if (connect_phy) + flags |= 0x20000000; + bcm43xx_phy_connect(bcm, connect_phy); + bcm43xx_core_enable(bcm, flags); + bcm43xx_write16(bcm, 0x03E6, 0x0000); + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) + | BCM43xx_SBF_400); + } +} + +static void bcm43xx_wireless_core_disable(struct bcm43xx_private *bcm) +{ + bcm43xx_radio_turn_off(bcm); + bcm43xx_write16(bcm, 0x03E6, 0x00F4); + bcm43xx_core_disable(bcm, 0); +} + +/* Mark the current 80211 core inactive. + * "active_80211_core" is the other 80211 core, which is used. + */ +static int bcm43xx_wireless_core_mark_inactive(struct bcm43xx_private *bcm, + struct bcm43xx_coreinfo *active_80211_core) +{ + u32 sbtmstatelow; + struct bcm43xx_coreinfo *old_core; + int err = 0; + + bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + bcm43xx_radio_turn_off(bcm); + sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + sbtmstatelow &= ~0x200a0000; + sbtmstatelow |= 0xa0000; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + udelay(1); + sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + sbtmstatelow &= ~0xa0000; + sbtmstatelow |= 0x80000; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + udelay(1); + + if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G) { + old_core = bcm->current_core; + err = bcm43xx_switch_core(bcm, active_80211_core); + if (err) + goto out; + sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + sbtmstatelow &= ~0x20000000; + sbtmstatelow |= 0x20000000; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); + err = bcm43xx_switch_core(bcm, old_core); + } + +out: + return err; +} + +static void handle_irq_transmit_status(struct bcm43xx_private *bcm) +{ + u32 v0, v1; + u16 tmp; + struct bcm43xx_xmitstatus stat; + + while (1) { + v0 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0); + if (!v0) + break; + v1 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1); + + stat.cookie = (v0 >> 16) & 0x0000FFFF; + tmp = (u16)((v0 & 0xFFF0) | ((v0 & 0xF) >> 1)); + stat.flags = tmp & 0xFF; + stat.cnt1 = (tmp & 0x0F00) >> 8; + stat.cnt2 = (tmp & 0xF000) >> 12; + stat.seq = (u16)(v1 & 0xFFFF); + stat.unknown = (u16)((v1 >> 16) & 0xFF); + + bcm43xx_debugfs_log_txstat(bcm, &stat); + + if (stat.flags & BCM43xx_TXSTAT_FLAG_IGNORE) + continue; + if (!(stat.flags & BCM43xx_TXSTAT_FLAG_ACK)) { + //TODO: packet was not acked (was lost) + } + //TODO: There are more (unknown) flags to test. see bcm43xx_main.h + + if (bcm43xx_using_pio(bcm)) + bcm43xx_pio_handle_xmitstatus(bcm, &stat); + else + bcm43xx_dma_handle_xmitstatus(bcm, &stat); + } +} + +static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm) +{ + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x40A, 0x7F7F); + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) | (1 << 4)); + assert(bcm->noisecalc.core_at_start == bcm->current_core); + assert(bcm->noisecalc.channel_at_start == bcm43xx_current_radio(bcm)->channel); +} + +static void bcm43xx_calculate_link_quality(struct bcm43xx_private *bcm) +{ + /* Top half of Link Quality calculation. */ + + if (bcm->noisecalc.calculation_running) + return; + bcm->noisecalc.core_at_start = bcm->current_core; + bcm->noisecalc.channel_at_start = bcm43xx_current_radio(bcm)->channel; + bcm->noisecalc.calculation_running = 1; + bcm->noisecalc.nr_samples = 0; + + bcm43xx_generate_noise_sample(bcm); +} + +static void handle_irq_noise(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 tmp; + u8 noise[4]; + u8 i, j; + s32 average; + + /* Bottom half of Link Quality calculation. */ + + assert(bcm->noisecalc.calculation_running); + if (bcm->noisecalc.core_at_start != bcm->current_core || + bcm->noisecalc.channel_at_start != radio->channel) + goto drop_calculation; + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x408); + noise[0] = (tmp & 0x00FF); + noise[1] = (tmp & 0xFF00) >> 8; + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40A); + noise[2] = (tmp & 0x00FF); + noise[3] = (tmp & 0xFF00) >> 8; + if (noise[0] == 0x7F || noise[1] == 0x7F || + noise[2] == 0x7F || noise[3] == 0x7F) + goto generate_new; + + /* Get the noise samples. */ + assert(bcm->noisecalc.nr_samples <= 8); + i = bcm->noisecalc.nr_samples; + noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); + noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); + noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); + noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); + bcm->noisecalc.samples[i][0] = radio->nrssi_lt[noise[0]]; + bcm->noisecalc.samples[i][1] = radio->nrssi_lt[noise[1]]; + bcm->noisecalc.samples[i][2] = radio->nrssi_lt[noise[2]]; + bcm->noisecalc.samples[i][3] = radio->nrssi_lt[noise[3]]; + bcm->noisecalc.nr_samples++; + if (bcm->noisecalc.nr_samples == 8) { + /* Calculate the Link Quality by the noise samples. */ + average = 0; + for (i = 0; i < 8; i++) { + for (j = 0; j < 4; j++) + average += bcm->noisecalc.samples[i][j]; + } + average /= (8 * 4); + average *= 125; + average += 64; + average /= 128; + + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40C); + tmp = (tmp / 128) & 0x1F; + if (tmp >= 8) + average += 2; + else + average -= 25; + if (tmp == 8) + average -= 72; + else + average -= 48; + +/* FIXME: This is wrong, but people want fancy stats. well... */ +bcm->stats.noise = average; + if (average > -65) + bcm->stats.link_quality = 0; + else if (average > -75) + bcm->stats.link_quality = 1; + else if (average > -85) + bcm->stats.link_quality = 2; + else + bcm->stats.link_quality = 3; +// dprintk(KERN_INFO PFX "Link Quality: %u (avg was %d)\n", bcm->stats.link_quality, average); +drop_calculation: + bcm->noisecalc.calculation_running = 0; + return; + } +generate_new: + bcm43xx_generate_noise_sample(bcm); +} + +static void handle_irq_ps(struct bcm43xx_private *bcm) +{ + if (bcm->ieee->iw_mode == IW_MODE_MASTER) { + ///TODO: PS TBTT + } else { + if (1/*FIXME: the last PSpoll frame was sent successfully */) + bcm43xx_power_saving_ctl_bits(bcm, -1, -1); + } + if (bcm->ieee->iw_mode == IW_MODE_ADHOC) + bcm->reg124_set_0x4 = 1; + //FIXME else set to false? +} + +static void handle_irq_reg124(struct bcm43xx_private *bcm) +{ + if (!bcm->reg124_set_0x4) + return; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) + | 0x4); + //FIXME: reset reg124_set_0x4 to false? +} + +static void handle_irq_pmq(struct bcm43xx_private *bcm) +{ + u32 tmp; + + //TODO: AP mode. + + while (1) { + tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_PS_STATUS); + if (!(tmp & 0x00000008)) + break; + } + /* 16bit write is odd, but correct. */ + bcm43xx_write16(bcm, BCM43xx_MMIO_PS_STATUS, 0x0002); +} + +static void bcm43xx_generate_beacon_template(struct bcm43xx_private *bcm, + u16 ram_offset, u16 shm_size_offset) +{ + u32 value; + u16 size = 0; + + /* Timestamp. */ + //FIXME: assumption: The chip sets the timestamp + value = 0; + bcm43xx_ram_write(bcm, ram_offset++, value); + bcm43xx_ram_write(bcm, ram_offset++, value); + size += 8; + + /* Beacon Interval / Capability Information */ + value = 0x0000;//FIXME: Which interval? + value |= (1 << 0) << 16; /* ESS */ + value |= (1 << 2) << 16; /* CF Pollable */ //FIXME? + value |= (1 << 3) << 16; /* CF Poll Request */ //FIXME? + if (!bcm->ieee->open_wep) + value |= (1 << 4) << 16; /* Privacy */ + bcm43xx_ram_write(bcm, ram_offset++, value); + size += 4; + + /* SSID */ + //TODO + + /* FH Parameter Set */ + //TODO + + /* DS Parameter Set */ + //TODO + + /* CF Parameter Set */ + //TODO + + /* TIM */ + //TODO + + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, shm_size_offset, size); +} + +static void handle_irq_beacon(struct bcm43xx_private *bcm) +{ + u32 status; + + bcm->irq_savedstate &= ~BCM43xx_IRQ_BEACON; + status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD); + + if ((status & 0x1) && (status & 0x2)) { + /* ACK beacon IRQ. */ + bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, + BCM43xx_IRQ_BEACON); + bcm->irq_savedstate |= BCM43xx_IRQ_BEACON; + return; + } + if (!(status & 0x1)) { + bcm43xx_generate_beacon_template(bcm, 0x68, 0x18); + status |= 0x1; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status); + } + if (!(status & 0x2)) { + bcm43xx_generate_beacon_template(bcm, 0x468, 0x1A); + status |= 0x2; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status); + } +} + +/* Interrupt handler bottom-half */ +static void bcm43xx_interrupt_tasklet(struct bcm43xx_private *bcm) +{ + u32 reason; + u32 dma_reason[4]; + int activity = 0; + unsigned long flags; + +#ifdef CONFIG_BCM43XX_DEBUG + u32 _handled = 0x00000000; +# define bcmirq_handled(irq) do { _handled |= (irq); } while (0) +#else +# define bcmirq_handled(irq) do { /* nothing */ } while (0) +#endif /* CONFIG_BCM43XX_DEBUG*/ + + bcm43xx_lock_mmio(bcm, flags); + reason = bcm->irq_reason; + dma_reason[0] = bcm->dma_reason[0]; + dma_reason[1] = bcm->dma_reason[1]; + dma_reason[2] = bcm->dma_reason[2]; + dma_reason[3] = bcm->dma_reason[3]; + + if (unlikely(reason & BCM43xx_IRQ_XMIT_ERROR)) { + /* TX error. We get this when Template Ram is written in wrong endianess + * in dummy_tx(). We also get this if something is wrong with the TX header + * on DMA or PIO queues. + * Maybe we get this in other error conditions, too. + */ + printkl(KERN_ERR PFX "FATAL ERROR: BCM43xx_IRQ_XMIT_ERROR\n"); + bcmirq_handled(BCM43xx_IRQ_XMIT_ERROR); + } + if (unlikely((dma_reason[0] & BCM43xx_DMAIRQ_FATALMASK) | + (dma_reason[1] & BCM43xx_DMAIRQ_FATALMASK) | + (dma_reason[2] & BCM43xx_DMAIRQ_FATALMASK) | + (dma_reason[3] & BCM43xx_DMAIRQ_FATALMASK))) { + printkl(KERN_ERR PFX "FATAL ERROR: Fatal DMA error: " + "0x%08X, 0x%08X, 0x%08X, 0x%08X\n", + dma_reason[0], dma_reason[1], + dma_reason[2], dma_reason[3]); + bcm43xx_controller_restart(bcm, "DMA error"); + bcm43xx_unlock_mmio(bcm, flags); + return; + } + if (unlikely((dma_reason[0] & BCM43xx_DMAIRQ_NONFATALMASK) | + (dma_reason[1] & BCM43xx_DMAIRQ_NONFATALMASK) | + (dma_reason[2] & BCM43xx_DMAIRQ_NONFATALMASK) | + (dma_reason[3] & BCM43xx_DMAIRQ_NONFATALMASK))) { + printkl(KERN_ERR PFX "DMA error: " + "0x%08X, 0x%08X, 0x%08X, 0x%08X\n", + dma_reason[0], dma_reason[1], + dma_reason[2], dma_reason[3]); + } + + if (reason & BCM43xx_IRQ_PS) { + handle_irq_ps(bcm); + bcmirq_handled(BCM43xx_IRQ_PS); + } + + if (reason & BCM43xx_IRQ_REG124) { + handle_irq_reg124(bcm); + bcmirq_handled(BCM43xx_IRQ_REG124); + } + + if (reason & BCM43xx_IRQ_BEACON) { + if (bcm->ieee->iw_mode == IW_MODE_MASTER) + handle_irq_beacon(bcm); + bcmirq_handled(BCM43xx_IRQ_BEACON); + } + + if (reason & BCM43xx_IRQ_PMQ) { + handle_irq_pmq(bcm); + bcmirq_handled(BCM43xx_IRQ_PMQ); + } + + if (reason & BCM43xx_IRQ_SCAN) { + /*TODO*/ + //bcmirq_handled(BCM43xx_IRQ_SCAN); + } + + if (reason & BCM43xx_IRQ_NOISE) { + handle_irq_noise(bcm); + bcmirq_handled(BCM43xx_IRQ_NOISE); + } + + /* Check the DMA reason registers for received data. */ + assert(!(dma_reason[1] & BCM43xx_DMAIRQ_RX_DONE)); + assert(!(dma_reason[2] & BCM43xx_DMAIRQ_RX_DONE)); + if (dma_reason[0] & BCM43xx_DMAIRQ_RX_DONE) { + if (bcm43xx_using_pio(bcm)) + bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue0); + else + bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring0); + /* We intentionally don't set "activity" to 1, here. */ + } + if (dma_reason[3] & BCM43xx_DMAIRQ_RX_DONE) { + if (bcm43xx_using_pio(bcm)) + bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue3); + else + bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring1); + activity = 1; + } + bcmirq_handled(BCM43xx_IRQ_RX); + + if (reason & BCM43xx_IRQ_XMIT_STATUS) { + handle_irq_transmit_status(bcm); + activity = 1; + //TODO: In AP mode, this also causes sending of powersave responses. + bcmirq_handled(BCM43xx_IRQ_XMIT_STATUS); + } + + /* IRQ_PIO_WORKAROUND is handled in the top-half. */ + bcmirq_handled(BCM43xx_IRQ_PIO_WORKAROUND); +#ifdef CONFIG_BCM43XX_DEBUG + if (unlikely(reason & ~_handled)) { + printkl(KERN_WARNING PFX + "Unhandled IRQ! Reason: 0x%08x, Unhandled: 0x%08x, " + "DMA: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", + reason, (reason & ~_handled), + dma_reason[0], dma_reason[1], + dma_reason[2], dma_reason[3]); + } +#endif +#undef bcmirq_handled + + if (!modparam_noleds) + bcm43xx_leds_update(bcm, activity); + bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); + bcm43xx_unlock_mmio(bcm, flags); +} + +static void pio_irq_workaround(struct bcm43xx_private *bcm, + u16 base, int queueidx) +{ + u16 rxctl; + + rxctl = bcm43xx_read16(bcm, base + BCM43xx_PIO_RXCTL); + if (rxctl & BCM43xx_PIO_RXCTL_DATAAVAILABLE) + bcm->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE; + else + bcm->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE; +} + +static void bcm43xx_interrupt_ack(struct bcm43xx_private *bcm, u32 reason) +{ + if (bcm43xx_using_pio(bcm) && + (bcm->current_core->rev < 3) && + (!(reason & BCM43xx_IRQ_PIO_WORKAROUND))) { + /* Apply a PIO specific workaround to the dma_reasons */ + pio_irq_workaround(bcm, BCM43xx_MMIO_PIO1_BASE, 0); + pio_irq_workaround(bcm, BCM43xx_MMIO_PIO2_BASE, 1); + pio_irq_workaround(bcm, BCM43xx_MMIO_PIO3_BASE, 2); + pio_irq_workaround(bcm, BCM43xx_MMIO_PIO4_BASE, 3); + } + + bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, reason); + + bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_REASON, + bcm->dma_reason[0]); + bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_REASON, + bcm->dma_reason[1]); + bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_REASON, + bcm->dma_reason[2]); + bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_REASON, + bcm->dma_reason[3]); +} + +/* Interrupt handler top-half */ +static irqreturn_t bcm43xx_interrupt_handler(int irq, void *dev_id, struct pt_regs *regs) +{ + irqreturn_t ret = IRQ_HANDLED; + struct bcm43xx_private *bcm = dev_id; + u32 reason; + + if (!bcm) + return IRQ_NONE; + + spin_lock(&bcm->_lock); + + reason = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); + if (reason == 0xffffffff) { + /* irq not for us (shared irq) */ + ret = IRQ_NONE; + goto out; + } + reason &= bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); + if (!reason) + goto out; + + bcm->dma_reason[0] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA1_REASON) + & 0x0001dc00; + bcm->dma_reason[1] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA2_REASON) + & 0x0000dc00; + bcm->dma_reason[2] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA3_REASON) + & 0x0000dc00; + bcm->dma_reason[3] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA4_REASON) + & 0x0001dc00; + + bcm43xx_interrupt_ack(bcm, reason); + + /* Only accept IRQs, if we are initialized properly. + * This avoids an RX race while initializing. + * We should probably not enable IRQs before we are initialized + * completely, but some careful work is needed to fix this. I think it + * is best to stay with this cheap workaround for now... . + */ + if (likely(bcm->initialized)) { + /* disable all IRQs. They are enabled again in the bottom half. */ + bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + /* save the reason code and call our bottom half. */ + bcm->irq_reason = reason; + tasklet_schedule(&bcm->isr_tasklet); + } + +out: + mmiowb(); + spin_unlock(&bcm->_lock); + + return ret; +} + +static void bcm43xx_release_firmware(struct bcm43xx_private *bcm, int force) +{ + if (bcm->firmware_norelease && !force) + return; /* Suspending or controller reset. */ + release_firmware(bcm->ucode); + bcm->ucode = NULL; + release_firmware(bcm->pcm); + bcm->pcm = NULL; + release_firmware(bcm->initvals0); + bcm->initvals0 = NULL; + release_firmware(bcm->initvals1); + bcm->initvals1 = NULL; +} + +static int bcm43xx_request_firmware(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u8 rev = bcm->current_core->rev; + int err = 0; + int nr; + char buf[22 + sizeof(modparam_fwpostfix) - 1] = { 0 }; + + if (!bcm->ucode) { + snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d%s.fw", + (rev >= 5 ? 5 : rev), + modparam_fwpostfix); + err = request_firmware(&bcm->ucode, buf, &bcm->pci_dev->dev); + if (err) { + printk(KERN_ERR PFX + "Error: Microcode \"%s\" not available or load failed.\n", + buf); + goto error; + } + } + + if (!bcm->pcm) { + snprintf(buf, ARRAY_SIZE(buf), + "bcm43xx_pcm%d%s.fw", + (rev < 5 ? 4 : 5), + modparam_fwpostfix); + err = request_firmware(&bcm->pcm, buf, &bcm->pci_dev->dev); + if (err) { + printk(KERN_ERR PFX + "Error: PCM \"%s\" not available or load failed.\n", + buf); + goto error; + } + } + + if (!bcm->initvals0) { + if (rev == 2 || rev == 4) { + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + nr = 3; + break; + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: + nr = 1; + break; + default: + goto err_noinitval; + } + + } else if (rev >= 5) { + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + nr = 7; + break; + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: + nr = 5; + break; + default: + goto err_noinitval; + } + } else + goto err_noinitval; + snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw", + nr, modparam_fwpostfix); + + err = request_firmware(&bcm->initvals0, buf, &bcm->pci_dev->dev); + if (err) { + printk(KERN_ERR PFX + "Error: InitVals \"%s\" not available or load failed.\n", + buf); + goto error; + } + if (bcm->initvals0->size % sizeof(struct bcm43xx_initval)) { + printk(KERN_ERR PFX "InitVals fileformat error.\n"); + goto error; + } + } + + if (!bcm->initvals1) { + if (rev >= 5) { + u32 sbtmstatehigh; + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); + if (sbtmstatehigh & 0x00010000) + nr = 9; + else + nr = 10; + break; + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: + nr = 6; + break; + default: + goto err_noinitval; + } + snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw", + nr, modparam_fwpostfix); + + err = request_firmware(&bcm->initvals1, buf, &bcm->pci_dev->dev); + if (err) { + printk(KERN_ERR PFX + "Error: InitVals \"%s\" not available or load failed.\n", + buf); + goto error; + } + if (bcm->initvals1->size % sizeof(struct bcm43xx_initval)) { + printk(KERN_ERR PFX "InitVals fileformat error.\n"); + goto error; + } + } + } + +out: + return err; +error: + bcm43xx_release_firmware(bcm, 1); + goto out; +err_noinitval: + printk(KERN_ERR PFX "Error: No InitVals available!\n"); + err = -ENOENT; + goto error; +} + +static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm) +{ + const u32 *data; + unsigned int i, len; + + /* Upload Microcode. */ + data = (u32 *)(bcm->ucode->data); + len = bcm->ucode->size / sizeof(u32); + bcm43xx_shm_control_word(bcm, BCM43xx_SHM_UCODE, 0x0000); + for (i = 0; i < len; i++) { + bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, + be32_to_cpu(data[i])); + udelay(10); + } + + /* Upload PCM data. */ + data = (u32 *)(bcm->pcm->data); + len = bcm->pcm->size / sizeof(u32); + bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01ea); + bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, 0x00004000); + bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01eb); + for (i = 0; i < len; i++) { + bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, + be32_to_cpu(data[i])); + udelay(10); + } +} + +static int bcm43xx_write_initvals(struct bcm43xx_private *bcm, + const struct bcm43xx_initval *data, + const unsigned int len) +{ + u16 offset, size; + u32 value; + unsigned int i; + + for (i = 0; i < len; i++) { + offset = be16_to_cpu(data[i].offset); + size = be16_to_cpu(data[i].size); + value = be32_to_cpu(data[i].value); + + if (unlikely(offset >= 0x1000)) + goto err_format; + if (size == 2) { + if (unlikely(value & 0xFFFF0000)) + goto err_format; + bcm43xx_write16(bcm, offset, (u16)value); + } else if (size == 4) { + bcm43xx_write32(bcm, offset, value); + } else + goto err_format; + } + + return 0; + +err_format: + printk(KERN_ERR PFX "InitVals (bcm43xx_initvalXX.fw) file-format error. " + "Please fix your bcm43xx firmware files.\n"); + return -EPROTO; +} + +static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm) +{ + int err; + + err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)bcm->initvals0->data, + bcm->initvals0->size / sizeof(struct bcm43xx_initval)); + if (err) + goto out; + if (bcm->initvals1) { + err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)bcm->initvals1->data, + bcm->initvals1->size / sizeof(struct bcm43xx_initval)); + if (err) + goto out; + } +out: + return err; +} + +static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm) +{ + int res; + unsigned int i; + u32 data; + + bcm->irq = bcm->pci_dev->irq; +#ifdef CONFIG_BCM947XX + if (bcm->pci_dev->bus->number == 0) { + struct pci_dev *d = NULL; + /* FIXME: we will probably need more device IDs here... */ + d = pci_find_device(PCI_VENDOR_ID_BROADCOM, 0x4324, NULL); + if (d != NULL) { + bcm->irq = d->irq; + } + } +#endif + res = request_irq(bcm->irq, bcm43xx_interrupt_handler, + SA_SHIRQ, KBUILD_MODNAME, bcm); + if (res) { + printk(KERN_ERR PFX "Cannot register IRQ%d\n", bcm->irq); + return -ENODEV; + } + bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0xffffffff); + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, 0x00020402); + i = 0; + while (1) { + data = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); + if (data == BCM43xx_IRQ_READY) + break; + i++; + if (i >= BCM43xx_IRQWAIT_MAX_RETRIES) { + printk(KERN_ERR PFX "Card IRQ register not responding. " + "Giving up.\n"); + free_irq(bcm->irq, bcm); + return -ENODEV; + } + udelay(10); + } + // dummy read + bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); + + return 0; +} + +/* Switch to the core used to write the GPIO register. + * This is either the ChipCommon, or the PCI core. + */ +static int switch_to_gpio_core(struct bcm43xx_private *bcm) +{ + int err; + + /* Where to find the GPIO register depends on the chipset. + * If it has a ChipCommon, its register at offset 0x6c is the GPIO + * control register. Otherwise the register at offset 0x6c in the + * PCI core is the GPIO control register. + */ + err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); + if (err == -ENODEV) { + err = bcm43xx_switch_core(bcm, &bcm->core_pci); + if (unlikely(err == -ENODEV)) { + printk(KERN_ERR PFX "gpio error: " + "Neither ChipCommon nor PCI core available!\n"); + } + } + + return err; +} + +/* Initialize the GPIOs + * http://bcm-specs.sipsolutions.net/GPIO + */ +static int bcm43xx_gpio_init(struct bcm43xx_private *bcm) +{ + struct bcm43xx_coreinfo *old_core; + int err; + u32 mask, set; + + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) + & 0xFFFF3FFF); + + bcm43xx_leds_switch_all(bcm, 0); + bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, + bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) | 0x000F); + + mask = 0x0000001F; + set = 0x0000000F; + if (bcm->chip_id == 0x4301) { + mask |= 0x0060; + set |= 0x0060; + } + if (0 /* FIXME: conditional unknown */) { + bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, + bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) + | 0x0100); + mask |= 0x0180; + set |= 0x0180; + } + if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) { + bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, + bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) + | 0x0200); + mask |= 0x0200; + set |= 0x0200; + } + if (bcm->current_core->rev >= 2) + mask |= 0x0010; /* FIXME: This is redundant. */ + + old_core = bcm->current_core; + err = switch_to_gpio_core(bcm); + if (err) + goto out; + bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, + (bcm43xx_read32(bcm, BCM43xx_GPIO_CONTROL) & mask) | set); + err = bcm43xx_switch_core(bcm, old_core); +out: + return err; +} + +/* Turn off all GPIO stuff. Call this on module unload, for example. */ +static int bcm43xx_gpio_cleanup(struct bcm43xx_private *bcm) +{ + struct bcm43xx_coreinfo *old_core; + int err; + + old_core = bcm->current_core; + err = switch_to_gpio_core(bcm); + if (err) + return err; + bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, 0x00000000); + err = bcm43xx_switch_core(bcm, old_core); + assert(err == 0); + + return 0; +} + +/* http://bcm-specs.sipsolutions.net/EnableMac */ +void bcm43xx_mac_enable(struct bcm43xx_private *bcm) +{ + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) + | BCM43xx_SBF_MAC_ENABLED); + bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_READY); + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ + bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ + bcm43xx_power_saving_ctl_bits(bcm, -1, -1); +} + +/* http://bcm-specs.sipsolutions.net/SuspendMAC */ +void bcm43xx_mac_suspend(struct bcm43xx_private *bcm) +{ + int i; + u32 tmp; + + bcm43xx_power_saving_ctl_bits(bcm, -1, 1); + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) + & ~BCM43xx_SBF_MAC_ENABLED); + bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ + for (i = 100000; i; i--) { + tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); + if (tmp & BCM43xx_IRQ_READY) + return; + udelay(10); + } + printkl(KERN_ERR PFX "MAC suspend failed\n"); +} + +void bcm43xx_set_iwmode(struct bcm43xx_private *bcm, + int iw_mode) +{ + unsigned long flags; + struct net_device *net_dev = bcm->net_dev; + u32 status; + u16 value; + + spin_lock_irqsave(&bcm->ieee->lock, flags); + bcm->ieee->iw_mode = iw_mode; + spin_unlock_irqrestore(&bcm->ieee->lock, flags); + if (iw_mode == IW_MODE_MONITOR) + net_dev->type = ARPHRD_IEEE80211; + else + net_dev->type = ARPHRD_ETHER; + + status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + /* Reset status to infrastructured mode */ + status &= ~(BCM43xx_SBF_MODE_AP | BCM43xx_SBF_MODE_MONITOR); + status &= ~BCM43xx_SBF_MODE_PROMISC; + status |= BCM43xx_SBF_MODE_NOTADHOC; + +/* FIXME: Always enable promisc mode, until we get the MAC filters working correctly. */ +status |= BCM43xx_SBF_MODE_PROMISC; + + switch (iw_mode) { + case IW_MODE_MONITOR: + status |= BCM43xx_SBF_MODE_MONITOR; + status |= BCM43xx_SBF_MODE_PROMISC; + break; + case IW_MODE_ADHOC: + status &= ~BCM43xx_SBF_MODE_NOTADHOC; + break; + case IW_MODE_MASTER: + status |= BCM43xx_SBF_MODE_AP; + break; + case IW_MODE_SECOND: + case IW_MODE_REPEAT: + TODO(); /* TODO */ + break; + case IW_MODE_INFRA: + /* nothing to be done here... */ + break; + default: + dprintk(KERN_ERR PFX "Unknown mode in set_iwmode: %d\n", iw_mode); + } + if (net_dev->flags & IFF_PROMISC) + status |= BCM43xx_SBF_MODE_PROMISC; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); + + value = 0x0002; + if (iw_mode != IW_MODE_ADHOC && iw_mode != IW_MODE_MASTER) { + if (bcm->chip_id == 0x4306 && bcm->chip_rev == 3) + value = 0x0064; + else + value = 0x0032; + } + bcm43xx_write16(bcm, 0x0612, value); +} + +/* This is the opposite of bcm43xx_chip_init() */ +static void bcm43xx_chip_cleanup(struct bcm43xx_private *bcm) +{ + bcm43xx_radio_turn_off(bcm); + if (!modparam_noleds) + bcm43xx_leds_exit(bcm); + bcm43xx_gpio_cleanup(bcm); + free_irq(bcm->irq, bcm); + bcm43xx_release_firmware(bcm, 0); +} + +/* Initialize the chip + * http://bcm-specs.sipsolutions.net/ChipInit + */ +static int bcm43xx_chip_init(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + int err; + int tmp; + u32 value32; + u16 value16; + + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, + BCM43xx_SBF_CORE_READY + | BCM43xx_SBF_400); + + err = bcm43xx_request_firmware(bcm); + if (err) + goto out; + bcm43xx_upload_microcode(bcm); + + err = bcm43xx_initialize_irq(bcm); + if (err) + goto err_release_fw; + + err = bcm43xx_gpio_init(bcm); + if (err) + goto err_free_irq; + + err = bcm43xx_upload_initvals(bcm); + if (err) + goto err_gpio_cleanup; + bcm43xx_radio_turn_on(bcm); + + bcm43xx_write16(bcm, 0x03E6, 0x0000); + err = bcm43xx_phy_init(bcm); + if (err) + goto err_radio_off; + + /* Select initial Interference Mitigation. */ + tmp = radio->interfmode; + radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE; + bcm43xx_radio_set_interference_mitigation(bcm, tmp); + + bcm43xx_phy_set_antenna_diversity(bcm); + bcm43xx_radio_set_txantenna(bcm, BCM43xx_RADIO_TXANTENNA_DEFAULT); + if (phy->type == BCM43xx_PHYTYPE_B) { + value16 = bcm43xx_read16(bcm, 0x005E); + value16 |= 0x0004; + bcm43xx_write16(bcm, 0x005E, value16); + } + bcm43xx_write32(bcm, 0x0100, 0x01000000); + if (bcm->current_core->rev < 5) + bcm43xx_write32(bcm, 0x010C, 0x01000000); + + value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + value32 &= ~ BCM43xx_SBF_MODE_NOTADHOC; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); + value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + value32 |= BCM43xx_SBF_MODE_NOTADHOC; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); + + value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + value32 |= 0x100000; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); + + if (bcm43xx_using_pio(bcm)) { + bcm43xx_write32(bcm, 0x0210, 0x00000100); + bcm43xx_write32(bcm, 0x0230, 0x00000100); + bcm43xx_write32(bcm, 0x0250, 0x00000100); + bcm43xx_write32(bcm, 0x0270, 0x00000100); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0034, 0x0000); + } + + /* Probe Response Timeout value */ + /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0074, 0x0000); + + /* Initially set the wireless operation mode. */ + bcm43xx_set_iwmode(bcm, bcm->ieee->iw_mode); + + if (bcm->current_core->rev < 3) { + bcm43xx_write16(bcm, 0x060E, 0x0000); + bcm43xx_write16(bcm, 0x0610, 0x8000); + bcm43xx_write16(bcm, 0x0604, 0x0000); + bcm43xx_write16(bcm, 0x0606, 0x0200); + } else { + bcm43xx_write32(bcm, 0x0188, 0x80000000); + bcm43xx_write32(bcm, 0x018C, 0x02000000); + } + bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0x00004000); + bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_IRQ_MASK, 0x0001DC00); + bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_IRQ_MASK, 0x0000DC00); + bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_IRQ_MASK, 0x0000DC00); + bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_IRQ_MASK, 0x0001DC00); + + value32 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + value32 |= 0x00100000; + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, value32); + + bcm43xx_write16(bcm, BCM43xx_MMIO_POWERUP_DELAY, bcm43xx_pctl_powerup_delay(bcm)); + + assert(err == 0); + dprintk(KERN_INFO PFX "Chip initialized\n"); +out: + return err; + +err_radio_off: + bcm43xx_radio_turn_off(bcm); +err_gpio_cleanup: + bcm43xx_gpio_cleanup(bcm); +err_free_irq: + free_irq(bcm->irq, bcm); +err_release_fw: + bcm43xx_release_firmware(bcm, 1); + goto out; +} + +/* Validate chip access + * http://bcm-specs.sipsolutions.net/ValidateChipAccess */ +static int bcm43xx_validate_chip(struct bcm43xx_private *bcm) +{ + u32 value; + u32 shm_backup; + + shm_backup = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000); + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0xAA5555AA); + if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0xAA5555AA) + goto error; + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0x55AAAA55); + if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0x55AAAA55) + goto error; + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, shm_backup); + + value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + if ((value | 0x80000000) != 0x80000400) + goto error; + + value = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); + if (value != 0x00000000) + goto error; + + return 0; +error: + printk(KERN_ERR PFX "Failed to validate the chipaccess\n"); + return -ENODEV; +} + +static void bcm43xx_init_struct_phyinfo(struct bcm43xx_phyinfo *phy) +{ + /* Initialize a "phyinfo" structure. The structure is already + * zeroed out. + */ + phy->antenna_diversity = 0xFFFF; + phy->savedpctlreg = 0xFFFF; + phy->minlowsig[0] = 0xFFFF; + phy->minlowsig[1] = 0xFFFF; + spin_lock_init(&phy->lock); +} + +static void bcm43xx_init_struct_radioinfo(struct bcm43xx_radioinfo *radio) +{ + /* Initialize a "radioinfo" structure. The structure is already + * zeroed out. + */ + radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE; + radio->channel = 0xFF; + radio->initial_channel = 0xFF; + radio->lofcal = 0xFFFF; + radio->initval = 0xFFFF; + radio->nrssi[0] = -1000; + radio->nrssi[1] = -1000; +} + +static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) +{ + int err, i; + int current_core; + u32 core_vendor, core_id, core_rev; + u32 sb_id_hi, chip_id_32 = 0; + u16 pci_device, chip_id_16; + u8 core_count; + + memset(&bcm->core_chipcommon, 0, sizeof(struct bcm43xx_coreinfo)); + memset(&bcm->core_pci, 0, sizeof(struct bcm43xx_coreinfo)); + memset(&bcm->core_80211, 0, sizeof(struct bcm43xx_coreinfo) + * BCM43xx_MAX_80211_CORES); + memset(&bcm->core_80211_ext, 0, sizeof(struct bcm43xx_coreinfo_80211) + * BCM43xx_MAX_80211_CORES); + bcm->current_80211_core_idx = -1; + bcm->nr_80211_available = 0; + bcm->current_core = NULL; + bcm->active_80211_core = NULL; + + /* map core 0 */ + err = _switch_core(bcm, 0); + if (err) + goto out; + + /* fetch sb_id_hi from core information registers */ + sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); + + core_id = (sb_id_hi & 0xFFF0) >> 4; + core_rev = (sb_id_hi & 0xF); + core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; + + /* if present, chipcommon is always core 0; read the chipid from it */ + if (core_id == BCM43xx_COREID_CHIPCOMMON) { + chip_id_32 = bcm43xx_read32(bcm, 0); + chip_id_16 = chip_id_32 & 0xFFFF; + bcm->core_chipcommon.available = 1; + bcm->core_chipcommon.id = core_id; + bcm->core_chipcommon.rev = core_rev; + bcm->core_chipcommon.index = 0; + /* While we are at it, also read the capabilities. */ + bcm->chipcommon_capabilities = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_CAPABILITIES); + } else { + /* without a chipCommon, use a hard coded table. */ + pci_device = bcm->pci_dev->device; + if (pci_device == 0x4301) + chip_id_16 = 0x4301; + else if ((pci_device >= 0x4305) && (pci_device <= 0x4307)) + chip_id_16 = 0x4307; + else if ((pci_device >= 0x4402) && (pci_device <= 0x4403)) + chip_id_16 = 0x4402; + else if ((pci_device >= 0x4610) && (pci_device <= 0x4615)) + chip_id_16 = 0x4610; + else if ((pci_device >= 0x4710) && (pci_device <= 0x4715)) + chip_id_16 = 0x4710; +#ifdef CONFIG_BCM947XX + else if ((pci_device >= 0x4320) && (pci_device <= 0x4325)) + chip_id_16 = 0x4309; +#endif + else { + printk(KERN_ERR PFX "Could not determine Chip ID\n"); + return -ENODEV; + } + } + + /* ChipCommon with Core Rev >=4 encodes number of cores, + * otherwise consult hardcoded table */ + if ((core_id == BCM43xx_COREID_CHIPCOMMON) && (core_rev >= 4)) { + core_count = (chip_id_32 & 0x0F000000) >> 24; + } else { + switch (chip_id_16) { + case 0x4610: + case 0x4704: + case 0x4710: + core_count = 9; + break; + case 0x4310: + core_count = 8; + break; + case 0x5365: + core_count = 7; + break; + case 0x4306: + core_count = 6; + break; + case 0x4301: + case 0x4307: + core_count = 5; + break; + case 0x4402: + core_count = 3; + break; + default: + /* SOL if we get here */ + assert(0); + core_count = 1; + } + } + + bcm->chip_id = chip_id_16; + bcm->chip_rev = (chip_id_32 & 0x000F0000) >> 16; + bcm->chip_package = (chip_id_32 & 0x00F00000) >> 20; + + dprintk(KERN_INFO PFX "Chip ID 0x%x, rev 0x%x\n", + bcm->chip_id, bcm->chip_rev); + dprintk(KERN_INFO PFX "Number of cores: %d\n", core_count); + if (bcm->core_chipcommon.available) { + dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x, %s\n", + core_id, core_rev, core_vendor, + bcm43xx_core_enabled(bcm) ? "enabled" : "disabled"); + } + + if (bcm->core_chipcommon.available) + current_core = 1; + else + current_core = 0; + for ( ; current_core < core_count; current_core++) { + struct bcm43xx_coreinfo *core; + struct bcm43xx_coreinfo_80211 *ext_80211; + + err = _switch_core(bcm, current_core); + if (err) + goto out; + /* Gather information */ + /* fetch sb_id_hi from core information registers */ + sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); + + /* extract core_id, core_rev, core_vendor */ + core_id = (sb_id_hi & 0xFFF0) >> 4; + core_rev = (sb_id_hi & 0xF); + core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; + + dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x, %s\n", + current_core, core_id, core_rev, core_vendor, + bcm43xx_core_enabled(bcm) ? "enabled" : "disabled" ); + + core = NULL; + switch (core_id) { + case BCM43xx_COREID_PCI: + core = &bcm->core_pci; + if (core->available) { + printk(KERN_WARNING PFX "Multiple PCI cores found.\n"); + continue; + } + break; + case BCM43xx_COREID_80211: + for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { + core = &(bcm->core_80211[i]); + ext_80211 = &(bcm->core_80211_ext[i]); + if (!core->available) + break; + core = NULL; + } + if (!core) { + printk(KERN_WARNING PFX "More than %d cores of type 802.11 found.\n", + BCM43xx_MAX_80211_CORES); + continue; + } + if (i != 0) { + /* More than one 80211 core is only supported + * by special chips. + * There are chips with two 80211 cores, but with + * dangling pins on the second core. Be careful + * and ignore these cores here. + */ + if (bcm->pci_dev->device != 0x4324) { + dprintk(KERN_INFO PFX "Ignoring additional 802.11 core.\n"); + continue; + } + } + switch (core_rev) { + case 2: + case 4: + case 5: + case 6: + case 7: + case 9: + break; + default: + printk(KERN_ERR PFX "Error: Unsupported 80211 core revision %u\n", + core_rev); + err = -ENODEV; + goto out; + } + bcm->nr_80211_available++; + bcm43xx_init_struct_phyinfo(&ext_80211->phy); + bcm43xx_init_struct_radioinfo(&ext_80211->radio); + break; + case BCM43xx_COREID_CHIPCOMMON: + printk(KERN_WARNING PFX "Multiple CHIPCOMMON cores found.\n"); + break; + } + if (core) { + core->available = 1; + core->id = core_id; + core->rev = core_rev; + core->index = current_core; + } + } + + if (!bcm->core_80211[0].available) { + printk(KERN_ERR PFX "Error: No 80211 core found!\n"); + err = -ENODEV; + goto out; + } + + err = bcm43xx_switch_core(bcm, &bcm->core_80211[0]); + + assert(err == 0); +out: + return err; +} + +static void bcm43xx_gen_bssid(struct bcm43xx_private *bcm) +{ + const u8 *mac = (const u8*)(bcm->net_dev->dev_addr); + u8 *bssid = bcm->ieee->bssid; + + switch (bcm->ieee->iw_mode) { + case IW_MODE_ADHOC: + random_ether_addr(bssid); + break; + case IW_MODE_MASTER: + case IW_MODE_INFRA: + case IW_MODE_REPEAT: + case IW_MODE_SECOND: + case IW_MODE_MONITOR: + memcpy(bssid, mac, ETH_ALEN); + break; + default: + assert(0); + } +} + +static void bcm43xx_rate_memory_write(struct bcm43xx_private *bcm, + u16 rate, + int is_ofdm) +{ + u16 offset; + + if (is_ofdm) { + offset = 0x480; + offset += (bcm43xx_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2; + } + else { + offset = 0x4C0; + offset += (bcm43xx_plcp_get_ratecode_cck(rate) & 0x000F) * 2; + } + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, offset + 0x20, + bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, offset)); +} + +static void bcm43xx_rate_memory_init(struct bcm43xx_private *bcm) +{ + switch (bcm43xx_current_phy(bcm)->type) { + case BCM43xx_PHYTYPE_A: + case BCM43xx_PHYTYPE_G: + bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_6MB, 1); + bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_12MB, 1); + bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_18MB, 1); + bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_24MB, 1); + bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_36MB, 1); + bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_48MB, 1); + bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_54MB, 1); + case BCM43xx_PHYTYPE_B: + bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_1MB, 0); + bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_2MB, 0); + bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_5MB, 0); + bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_11MB, 0); + break; + default: + assert(0); + } +} + +static void bcm43xx_wireless_core_cleanup(struct bcm43xx_private *bcm) +{ + bcm43xx_chip_cleanup(bcm); + bcm43xx_pio_free(bcm); + bcm43xx_dma_free(bcm); + + bcm->current_core->initialized = 0; +} + +/* http://bcm-specs.sipsolutions.net/80211Init */ +static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u32 ucodeflags; + int err; + u32 sbimconfiglow; + u8 limit; + + if (bcm->chip_rev < 5) { + sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); + sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; + sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; + if (bcm->bustype == BCM43xx_BUSTYPE_PCI) + sbimconfiglow |= 0x32; + else if (bcm->bustype == BCM43xx_BUSTYPE_SB) + sbimconfiglow |= 0x53; + else + assert(0); + bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow); + } + + bcm43xx_phy_calibrate(bcm); + err = bcm43xx_chip_init(bcm); + if (err) + goto out; + + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0016, bcm->current_core->rev); + ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, BCM43xx_UCODEFLAGS_OFFSET); + + if (0 /*FIXME: which condition has to be used here? */) + ucodeflags |= 0x00000010; + + /* HW decryption needs to be set now */ + ucodeflags |= 0x40000000; + + if (phy->type == BCM43xx_PHYTYPE_G) { + ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY; + if (phy->rev == 1) + ucodeflags |= BCM43xx_UCODEFLAG_UNKGPHY; + if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) + ucodeflags |= BCM43xx_UCODEFLAG_UNKPACTRL; + } else if (phy->type == BCM43xx_PHYTYPE_B) { + ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY; + if (phy->rev >= 2 && radio->version == 0x2050) + ucodeflags &= ~BCM43xx_UCODEFLAG_UNKGPHY; + } + + if (ucodeflags != bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET)) { + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET, ucodeflags); + } + + /* Short/Long Retry Limit. + * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing + * the chip-internal counter. + */ + limit = limit_value(modparam_short_retry, 0, 0xF); + bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0006, limit); + limit = limit_value(modparam_long_retry, 0, 0xF); + bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0007, limit); + + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0044, 3); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0046, 2); + + bcm43xx_rate_memory_init(bcm); + + /* Minimum Contention Window */ + if (phy->type == BCM43xx_PHYTYPE_B) + bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000001f); + else + bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000000f); + /* Maximum Contention Window */ + bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff); + + bcm43xx_gen_bssid(bcm); + bcm43xx_write_mac_bssid_templates(bcm); + + if (bcm->current_core->rev >= 5) + bcm43xx_write16(bcm, 0x043C, 0x000C); + + if (bcm43xx_using_pio(bcm)) + err = bcm43xx_pio_init(bcm); + else + err = bcm43xx_dma_init(bcm); + if (err) + goto err_chip_cleanup; + bcm43xx_write16(bcm, 0x0612, 0x0050); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0416, 0x0050); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0414, 0x01F4); + + bcm43xx_mac_enable(bcm); + bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); + + bcm->current_core->initialized = 1; +out: + return err; + +err_chip_cleanup: + bcm43xx_chip_cleanup(bcm); + goto out; +} + +static int bcm43xx_chipset_attach(struct bcm43xx_private *bcm) +{ + int err; + u16 pci_status; + + err = bcm43xx_pctl_set_crystal(bcm, 1); + if (err) + goto out; + bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status); + bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT); + +out: + return err; +} + +static void bcm43xx_chipset_detach(struct bcm43xx_private *bcm) +{ + bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW); + bcm43xx_pctl_set_crystal(bcm, 0); +} + +static void bcm43xx_pcicore_broadcast_value(struct bcm43xx_private *bcm, + u32 address, + u32 data) +{ + bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_ADDR, address); + bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_DATA, data); +} + +static int bcm43xx_pcicore_commit_settings(struct bcm43xx_private *bcm) +{ + int err; + struct bcm43xx_coreinfo *old_core; + + old_core = bcm->current_core; + err = bcm43xx_switch_core(bcm, &bcm->core_pci); + if (err) + goto out; + + bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); + + bcm43xx_switch_core(bcm, old_core); + assert(err == 0); +out: + return err; +} + +/* Make an I/O Core usable. "core_mask" is the bitmask of the cores to enable. + * To enable core 0, pass a core_mask of 1<<0 + */ +static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm, + u32 core_mask) +{ + u32 backplane_flag_nr; + u32 value; + struct bcm43xx_coreinfo *old_core; + int err = 0; + + value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTPSFLAG); + backplane_flag_nr = value & BCM43xx_BACKPLANE_FLAG_NR_MASK; + + old_core = bcm->current_core; + err = bcm43xx_switch_core(bcm, &bcm->core_pci); + if (err) + goto out; + + if (bcm->core_pci.rev < 6) { + value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC); + value |= (1 << backplane_flag_nr); + bcm43xx_write32(bcm, BCM43xx_CIR_SBINTVEC, value); + } else { + err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ICR, &value); + if (err) { + printk(KERN_ERR PFX "Error: ICR setup failure!\n"); + goto out_switch_back; + } + value |= core_mask << 8; + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ICR, value); + if (err) { + printk(KERN_ERR PFX "Error: ICR setup failure!\n"); + goto out_switch_back; + } + } + + value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); + value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST; + bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); + + if (bcm->core_pci.rev < 5) { + value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); + value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT) + & BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; + value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT) + & BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; + bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value); + err = bcm43xx_pcicore_commit_settings(bcm); + assert(err == 0); + } + +out_switch_back: + err = bcm43xx_switch_core(bcm, old_core); +out: + return err; +} + +static void bcm43xx_softmac_init(struct bcm43xx_private *bcm) +{ + ieee80211softmac_start(bcm->net_dev); +} + +static void bcm43xx_periodic_every120sec(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + + if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2) + return; + + bcm43xx_mac_suspend(bcm); + bcm43xx_phy_lo_g_measure(bcm); + bcm43xx_mac_enable(bcm); +} + +static void bcm43xx_periodic_every60sec(struct bcm43xx_private *bcm) +{ + bcm43xx_phy_lo_mark_all_unused(bcm); + if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { + bcm43xx_mac_suspend(bcm); + bcm43xx_calc_nrssi_slope(bcm); + bcm43xx_mac_enable(bcm); + } +} + +static void bcm43xx_periodic_every30sec(struct bcm43xx_private *bcm) +{ + /* Update device statistics. */ + bcm43xx_calculate_link_quality(bcm); +} + +static void bcm43xx_periodic_every15sec(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + + if (phy->type == BCM43xx_PHYTYPE_G) { + //TODO: update_aci_moving_average + if (radio->aci_enable && radio->aci_wlan_automatic) { + bcm43xx_mac_suspend(bcm); + if (!radio->aci_enable && 1 /*TODO: not scanning? */) { + if (0 /*TODO: bunch of conditions*/) { + bcm43xx_radio_set_interference_mitigation(bcm, + BCM43xx_RADIO_INTERFMODE_MANUALWLAN); + } + } else if (1/*TODO*/) { + /* + if ((aci_average > 1000) && !(bcm43xx_radio_aci_scan(bcm))) { + bcm43xx_radio_set_interference_mitigation(bcm, + BCM43xx_RADIO_INTERFMODE_NONE); + } + */ + } + bcm43xx_mac_enable(bcm); + } else if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN && + phy->rev == 1) { + //TODO: implement rev1 workaround + } + } + bcm43xx_phy_xmitpower(bcm); //FIXME: unless scanning? + //TODO for APHY (temperature?) +} + +static void bcm43xx_periodic_task_handler(unsigned long d) +{ + struct bcm43xx_private *bcm = (struct bcm43xx_private *)d; + unsigned long flags; + unsigned int state; + + bcm43xx_lock_mmio(bcm, flags); + + assert(bcm->initialized); + state = bcm->periodic_state; + if (state % 8 == 0) + bcm43xx_periodic_every120sec(bcm); + if (state % 4 == 0) + bcm43xx_periodic_every60sec(bcm); + if (state % 2 == 0) + bcm43xx_periodic_every30sec(bcm); + bcm43xx_periodic_every15sec(bcm); + bcm->periodic_state = state + 1; + + mod_timer(&bcm->periodic_tasks, jiffies + (HZ * 15)); + + bcm43xx_unlock_mmio(bcm, flags); +} + +static void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm) +{ + del_timer_sync(&bcm->periodic_tasks); +} + +static void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm) +{ + struct timer_list *timer = &(bcm->periodic_tasks); + + assert(bcm->initialized); + setup_timer(timer, + bcm43xx_periodic_task_handler, + (unsigned long)bcm); + timer->expires = jiffies; + add_timer(timer); +} + +static void bcm43xx_security_init(struct bcm43xx_private *bcm) +{ + bcm->security_offset = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + 0x0056) * 2; + bcm43xx_clear_keys(bcm); +} + +/* This is the opposite of bcm43xx_init_board() */ +static void bcm43xx_free_board(struct bcm43xx_private *bcm) +{ + int i, err; + unsigned long flags; + + bcm43xx_sysfs_unregister(bcm); + + bcm43xx_periodic_tasks_delete(bcm); + + bcm43xx_lock(bcm, flags); + bcm->initialized = 0; + bcm->shutting_down = 1; + bcm43xx_unlock(bcm, flags); + + for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { + if (!bcm->core_80211[i].available) + continue; + if (!bcm->core_80211[i].initialized) + continue; + + err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]); + assert(err == 0); + bcm43xx_wireless_core_cleanup(bcm); + } + + bcm43xx_pctl_set_crystal(bcm, 0); + + bcm43xx_lock(bcm, flags); + bcm->shutting_down = 0; + bcm43xx_unlock(bcm, flags); +} + +static int bcm43xx_init_board(struct bcm43xx_private *bcm) +{ + int i, err; + int connect_phy; + unsigned long flags; + + might_sleep(); + + bcm43xx_lock(bcm, flags); + bcm->initialized = 0; + bcm->shutting_down = 0; + bcm43xx_unlock(bcm, flags); + + err = bcm43xx_pctl_set_crystal(bcm, 1); + if (err) + goto out; + err = bcm43xx_pctl_init(bcm); + if (err) + goto err_crystal_off; + err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_FAST); + if (err) + goto err_crystal_off; + + tasklet_enable(&bcm->isr_tasklet); + for (i = 0; i < bcm->nr_80211_available; i++) { + err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]); + assert(err != -ENODEV); + if (err) + goto err_80211_unwind; + + /* Enable the selected wireless core. + * Connect PHY only on the first core. + */ + if (!bcm43xx_core_enabled(bcm)) { + if (bcm->nr_80211_available == 1) { + connect_phy = bcm43xx_current_phy(bcm)->connected; + } else { + if (i == 0) + connect_phy = 1; + else + connect_phy = 0; + } + bcm43xx_wireless_core_reset(bcm, connect_phy); + } + + if (i != 0) + bcm43xx_wireless_core_mark_inactive(bcm, &bcm->core_80211[0]); + + err = bcm43xx_wireless_core_init(bcm); + if (err) + goto err_80211_unwind; + + if (i != 0) { + bcm43xx_mac_suspend(bcm); + bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + bcm43xx_radio_turn_off(bcm); + } + } + bcm->active_80211_core = &bcm->core_80211[0]; + if (bcm->nr_80211_available >= 2) { + bcm43xx_switch_core(bcm, &bcm->core_80211[0]); + bcm43xx_mac_enable(bcm); + } + bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); + bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr)); + dprintk(KERN_INFO PFX "80211 cores initialized\n"); + bcm43xx_security_init(bcm); + bcm43xx_softmac_init(bcm); + + bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_DYNAMIC); + + if (bcm43xx_current_radio(bcm)->initial_channel != 0xFF) { + bcm43xx_mac_suspend(bcm); + bcm43xx_radio_selectchannel(bcm, bcm43xx_current_radio(bcm)->initial_channel, 0); + bcm43xx_mac_enable(bcm); + } + + /* Initialization of the board is done. Flag it as such. */ + bcm43xx_lock(bcm, flags); + bcm->initialized = 1; + bcm43xx_unlock(bcm, flags); + + bcm43xx_periodic_tasks_setup(bcm); + bcm43xx_sysfs_register(bcm); + //FIXME: check for bcm43xx_sysfs_register failure. This function is a bit messy regarding unwinding, though... + + assert(err == 0); +out: + return err; + +err_80211_unwind: + tasklet_disable(&bcm->isr_tasklet); + /* unwind all 80211 initialization */ + for (i = 0; i < bcm->nr_80211_available; i++) { + if (!bcm->core_80211[i].initialized) + continue; + bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + bcm43xx_wireless_core_cleanup(bcm); + } +err_crystal_off: + bcm43xx_pctl_set_crystal(bcm, 0); + goto out; +} + +static void bcm43xx_detach_board(struct bcm43xx_private *bcm) +{ + struct pci_dev *pci_dev = bcm->pci_dev; + int i; + + bcm43xx_chipset_detach(bcm); + /* Do _not_ access the chip, after it is detached. */ + iounmap(bcm->mmio_addr); + + pci_release_regions(pci_dev); + pci_disable_device(pci_dev); + + /* Free allocated structures/fields */ + for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { + kfree(bcm->core_80211_ext[i].phy._lo_pairs); + if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl) + kfree(bcm->core_80211_ext[i].phy.tssi2dbm); + } +} + +static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 value; + u8 phy_version; + u8 phy_type; + u8 phy_rev; + int phy_rev_ok = 1; + void *p; + + value = bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); + + phy_version = (value & 0xF000) >> 12; + phy_type = (value & 0x0F00) >> 8; + phy_rev = (value & 0x000F); + + dprintk(KERN_INFO PFX "Detected PHY: Version: %x, Type %x, Revision %x\n", + phy_version, phy_type, phy_rev); + + switch (phy_type) { + case BCM43xx_PHYTYPE_A: + if (phy_rev >= 4) + phy_rev_ok = 0; + /*FIXME: We need to switch the ieee->modulation, etc.. flags, + * if we switch 80211 cores after init is done. + * As we do not implement on the fly switching between + * wireless cores, I will leave this as a future task. + */ + bcm->ieee->modulation = IEEE80211_OFDM_MODULATION; + bcm->ieee->mode = IEEE_A; + bcm->ieee->freq_band = IEEE80211_52GHZ_BAND | + IEEE80211_24GHZ_BAND; + break; + case BCM43xx_PHYTYPE_B: + if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 && phy_rev != 7) + phy_rev_ok = 0; + bcm->ieee->modulation = IEEE80211_CCK_MODULATION; + bcm->ieee->mode = IEEE_B; + bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; + break; + case BCM43xx_PHYTYPE_G: + if (phy_rev > 7) + phy_rev_ok = 0; + bcm->ieee->modulation = IEEE80211_OFDM_MODULATION | + IEEE80211_CCK_MODULATION; + bcm->ieee->mode = IEEE_G; + bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; + break; + default: + printk(KERN_ERR PFX "Error: Unknown PHY Type %x\n", + phy_type); + return -ENODEV; + }; + if (!phy_rev_ok) { + printk(KERN_WARNING PFX "Invalid PHY Revision %x\n", + phy_rev); + } + + phy->version = phy_version; + phy->type = phy_type; + phy->rev = phy_rev; + if ((phy_type == BCM43xx_PHYTYPE_B) || (phy_type == BCM43xx_PHYTYPE_G)) { + p = kzalloc(sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT, + GFP_KERNEL); + if (!p) + return -ENOMEM; + phy->_lo_pairs = p; + } + + return 0; +} + +static int bcm43xx_attach_board(struct bcm43xx_private *bcm) +{ + struct pci_dev *pci_dev = bcm->pci_dev; + struct net_device *net_dev = bcm->net_dev; + int err; + int i; + unsigned long mmio_start, mmio_flags, mmio_len; + u32 coremask; + + err = pci_enable_device(pci_dev); + if (err) { + printk(KERN_ERR PFX "unable to wake up pci device (%i)\n", err); + goto out; + } + mmio_start = pci_resource_start(pci_dev, 0); + mmio_flags = pci_resource_flags(pci_dev, 0); + mmio_len = pci_resource_len(pci_dev, 0); + if (!(mmio_flags & IORESOURCE_MEM)) { + printk(KERN_ERR PFX + "%s, region #0 not an MMIO resource, aborting\n", + pci_name(pci_dev)); + err = -ENODEV; + goto err_pci_disable; + } + err = pci_request_regions(pci_dev, KBUILD_MODNAME); + if (err) { + printk(KERN_ERR PFX + "could not access PCI resources (%i)\n", err); + goto err_pci_disable; + } + /* enable PCI bus-mastering */ + pci_set_master(pci_dev); + bcm->mmio_addr = ioremap(mmio_start, mmio_len); + if (!bcm->mmio_addr) { + printk(KERN_ERR PFX "%s: cannot remap MMIO, aborting\n", + pci_name(pci_dev)); + err = -EIO; + goto err_pci_release; + } + bcm->mmio_len = mmio_len; + net_dev->base_addr = (unsigned long)bcm->mmio_addr; + + bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID, + &bcm->board_vendor); + bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID, + &bcm->board_type); + bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID, + &bcm->board_revision); + + err = bcm43xx_chipset_attach(bcm); + if (err) + goto err_iounmap; + err = bcm43xx_pctl_init(bcm); + if (err) + goto err_chipset_detach; + err = bcm43xx_probe_cores(bcm); + if (err) + goto err_chipset_detach; + + /* Attach all IO cores to the backplane. */ + coremask = 0; + for (i = 0; i < bcm->nr_80211_available; i++) + coremask |= (1 << bcm->core_80211[i].index); + //FIXME: Also attach some non80211 cores? + err = bcm43xx_setup_backplane_pci_connection(bcm, coremask); + if (err) { + printk(KERN_ERR PFX "Backplane->PCI connection failed!\n"); + goto err_chipset_detach; + } + + err = bcm43xx_sprom_extract(bcm); + if (err) + goto err_chipset_detach; + err = bcm43xx_leds_init(bcm); + if (err) + goto err_chipset_detach; + + for (i = 0; i < bcm->nr_80211_available; i++) { + err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]); + assert(err != -ENODEV); + if (err) + goto err_80211_unwind; + + /* Enable the selected wireless core. + * Connect PHY only on the first core. + */ + bcm43xx_wireless_core_reset(bcm, (i == 0)); + + err = bcm43xx_read_phyinfo(bcm); + if (err && (i == 0)) + goto err_80211_unwind; + + err = bcm43xx_read_radioinfo(bcm); + if (err && (i == 0)) + goto err_80211_unwind; + + err = bcm43xx_validate_chip(bcm); + if (err && (i == 0)) + goto err_80211_unwind; + + bcm43xx_radio_turn_off(bcm); + err = bcm43xx_phy_init_tssi2dbm_table(bcm); + if (err) + goto err_80211_unwind; + bcm43xx_wireless_core_disable(bcm); + } + bcm43xx_pctl_set_crystal(bcm, 0); + + /* Set the MAC address in the networking subsystem */ + if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) + memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6); + else + memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6); + + bcm43xx_geo_init(bcm); + + snprintf(bcm->nick, IW_ESSID_MAX_SIZE, + "Broadcom %04X", bcm->chip_id); + + assert(err == 0); +out: + return err; + +err_80211_unwind: + for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { + kfree(bcm->core_80211_ext[i].phy._lo_pairs); + if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl) + kfree(bcm->core_80211_ext[i].phy.tssi2dbm); + } +err_chipset_detach: + bcm43xx_chipset_detach(bcm); +err_iounmap: + iounmap(bcm->mmio_addr); +err_pci_release: + pci_release_regions(pci_dev); +err_pci_disable: + pci_disable_device(pci_dev); + goto out; +} + +/* Do the Hardware IO operations to send the txb */ +static inline int bcm43xx_tx(struct bcm43xx_private *bcm, + struct ieee80211_txb *txb) +{ + int err = -ENODEV; + + if (bcm43xx_using_pio(bcm)) + err = bcm43xx_pio_tx(bcm, txb); + else + err = bcm43xx_dma_tx(bcm, txb); + + return err; +} + +static void bcm43xx_ieee80211_set_chan(struct net_device *net_dev, + u8 channel) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct bcm43xx_radioinfo *radio; + unsigned long flags; + + bcm43xx_lock_mmio(bcm, flags); + if (bcm->initialized) { + bcm43xx_mac_suspend(bcm); + bcm43xx_radio_selectchannel(bcm, channel, 0); + bcm43xx_mac_enable(bcm); + } else { + radio = bcm43xx_current_radio(bcm); + radio->initial_channel = channel; + } + bcm43xx_unlock_mmio(bcm, flags); +} + +/* set_security() callback in struct ieee80211_device */ +static void bcm43xx_ieee80211_set_security(struct net_device *net_dev, + struct ieee80211_security *sec) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct ieee80211_security *secinfo = &bcm->ieee->sec; + unsigned long flags; + int keyidx; + + dprintk(KERN_INFO PFX "set security called\n"); + + bcm43xx_lock_mmio(bcm, flags); + + for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) + if (sec->flags & (1<<keyidx)) { + secinfo->encode_alg[keyidx] = sec->encode_alg[keyidx]; + secinfo->key_sizes[keyidx] = sec->key_sizes[keyidx]; + memcpy(secinfo->keys[keyidx], sec->keys[keyidx], SCM_KEY_LEN); + } + + if (sec->flags & SEC_ACTIVE_KEY) { + secinfo->active_key = sec->active_key; + dprintk(KERN_INFO PFX " .active_key = %d\n", sec->active_key); + } + if (sec->flags & SEC_UNICAST_GROUP) { + secinfo->unicast_uses_group = sec->unicast_uses_group; + dprintk(KERN_INFO PFX " .unicast_uses_group = %d\n", sec->unicast_uses_group); + } + if (sec->flags & SEC_LEVEL) { + secinfo->level = sec->level; + dprintk(KERN_INFO PFX " .level = %d\n", sec->level); + } + if (sec->flags & SEC_ENABLED) { + secinfo->enabled = sec->enabled; + dprintk(KERN_INFO PFX " .enabled = %d\n", sec->enabled); + } + if (sec->flags & SEC_ENCRYPT) { + secinfo->encrypt = sec->encrypt; + dprintk(KERN_INFO PFX " .encrypt = %d\n", sec->encrypt); + } + if (bcm->initialized && !bcm->ieee->host_encrypt) { + if (secinfo->enabled) { + /* upload WEP keys to hardware */ + char null_address[6] = { 0 }; + u8 algorithm = 0; + for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) { + if (!(sec->flags & (1<<keyidx))) + continue; + switch (sec->encode_alg[keyidx]) { + case SEC_ALG_NONE: algorithm = BCM43xx_SEC_ALGO_NONE; break; + case SEC_ALG_WEP: + algorithm = BCM43xx_SEC_ALGO_WEP; + if (secinfo->key_sizes[keyidx] == 13) + algorithm = BCM43xx_SEC_ALGO_WEP104; + break; + case SEC_ALG_TKIP: + FIXME(); + algorithm = BCM43xx_SEC_ALGO_TKIP; + break; + case SEC_ALG_CCMP: + FIXME(); + algorithm = BCM43xx_SEC_ALGO_AES; + break; + default: + assert(0); + break; + } + bcm43xx_key_write(bcm, keyidx, algorithm, sec->keys[keyidx], secinfo->key_sizes[keyidx], &null_address[0]); + bcm->key[keyidx].enabled = 1; + bcm->key[keyidx].algorithm = algorithm; + } + } else + bcm43xx_clear_keys(bcm); + } + bcm43xx_unlock_mmio(bcm, flags); +} + +/* hard_start_xmit() callback in struct ieee80211_device */ +static int bcm43xx_ieee80211_hard_start_xmit(struct ieee80211_txb *txb, + struct net_device *net_dev, + int pri) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + int err = -ENODEV; + unsigned long flags; + + bcm43xx_lock_mmio(bcm, flags); + if (likely(bcm->initialized)) + err = bcm43xx_tx(bcm, txb); + bcm43xx_unlock_mmio(bcm, flags); + + return err; +} + +static struct net_device_stats * bcm43xx_net_get_stats(struct net_device *net_dev) +{ + return &(bcm43xx_priv(net_dev)->ieee->stats); +} + +static void bcm43xx_net_tx_timeout(struct net_device *net_dev) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + + bcm43xx_lock_mmio(bcm, flags); + bcm43xx_controller_restart(bcm, "TX timeout"); + bcm43xx_unlock_mmio(bcm, flags); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void bcm43xx_net_poll_controller(struct net_device *net_dev) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + + local_irq_save(flags); + bcm43xx_interrupt_handler(bcm->irq, bcm, NULL); + local_irq_restore(flags); +} +#endif /* CONFIG_NET_POLL_CONTROLLER */ + +static int bcm43xx_net_open(struct net_device *net_dev) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + + return bcm43xx_init_board(bcm); +} + +static int bcm43xx_net_stop(struct net_device *net_dev) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + + ieee80211softmac_stop(net_dev); + bcm43xx_disable_interrupts_sync(bcm, NULL); + bcm43xx_free_board(bcm); + + return 0; +} + +static int bcm43xx_init_private(struct bcm43xx_private *bcm, + struct net_device *net_dev, + struct pci_dev *pci_dev) +{ + int err; + + bcm->ieee = netdev_priv(net_dev); + bcm->softmac = ieee80211_priv(net_dev); + bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan; + + bcm->irq_savedstate = BCM43xx_IRQ_INITIAL; + bcm->pci_dev = pci_dev; + bcm->net_dev = net_dev; + bcm->bad_frames_preempt = modparam_bad_frames_preempt; + spin_lock_init(&bcm->_lock); + tasklet_init(&bcm->isr_tasklet, + (void (*)(unsigned long))bcm43xx_interrupt_tasklet, + (unsigned long)bcm); + tasklet_disable_nosync(&bcm->isr_tasklet); + if (modparam_pio) { + bcm->__using_pio = 1; + } else { + err = pci_set_dma_mask(pci_dev, DMA_30BIT_MASK); + err |= pci_set_consistent_dma_mask(pci_dev, DMA_30BIT_MASK); + if (err) { +#ifdef CONFIG_BCM43XX_PIO + printk(KERN_WARNING PFX "DMA not supported. Falling back to PIO.\n"); + bcm->__using_pio = 1; +#else + printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. " + "Recompile the driver with PIO support, please.\n"); + return -ENODEV; +#endif /* CONFIG_BCM43XX_PIO */ + } + } + bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD; + + /* default to sw encryption for now */ + bcm->ieee->host_build_iv = 0; + bcm->ieee->host_encrypt = 1; + bcm->ieee->host_decrypt = 1; + + bcm->ieee->iw_mode = BCM43xx_INITIAL_IWMODE; + bcm->ieee->tx_headroom = sizeof(struct bcm43xx_txhdr); + bcm->ieee->set_security = bcm43xx_ieee80211_set_security; + bcm->ieee->hard_start_xmit = bcm43xx_ieee80211_hard_start_xmit; + + return 0; +} + +static int __devinit bcm43xx_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *net_dev; + struct bcm43xx_private *bcm; + int err; + +#ifdef CONFIG_BCM947XX + if ((pdev->bus->number == 0) && (pdev->device != 0x0800)) + return -ENODEV; +#endif + +#ifdef DEBUG_SINGLE_DEVICE_ONLY + if (strcmp(pci_name(pdev), DEBUG_SINGLE_DEVICE_ONLY)) + return -ENODEV; +#endif + + net_dev = alloc_ieee80211softmac(sizeof(*bcm)); + if (!net_dev) { + printk(KERN_ERR PFX + "could not allocate ieee80211 device %s\n", + pci_name(pdev)); + err = -ENOMEM; + goto out; + } + /* initialize the net_device struct */ + SET_MODULE_OWNER(net_dev); + SET_NETDEV_DEV(net_dev, &pdev->dev); + + net_dev->open = bcm43xx_net_open; + net_dev->stop = bcm43xx_net_stop; + net_dev->get_stats = bcm43xx_net_get_stats; + net_dev->tx_timeout = bcm43xx_net_tx_timeout; +#ifdef CONFIG_NET_POLL_CONTROLLER + net_dev->poll_controller = bcm43xx_net_poll_controller; +#endif + net_dev->wireless_handlers = &bcm43xx_wx_handlers_def; + net_dev->irq = pdev->irq; + SET_ETHTOOL_OPS(net_dev, &bcm43xx_ethtool_ops); + + /* initialize the bcm43xx_private struct */ + bcm = bcm43xx_priv(net_dev); + memset(bcm, 0, sizeof(*bcm)); + err = bcm43xx_init_private(bcm, net_dev, pdev); + if (err) + goto err_free_netdev; + + pci_set_drvdata(pdev, net_dev); + + err = bcm43xx_attach_board(bcm); + if (err) + goto err_free_netdev; + + err = register_netdev(net_dev); + if (err) { + printk(KERN_ERR PFX "Cannot register net device, " + "aborting.\n"); + err = -ENOMEM; + goto err_detach_board; + } + + bcm43xx_debugfs_add_device(bcm); + + assert(err == 0); +out: + return err; + +err_detach_board: + bcm43xx_detach_board(bcm); +err_free_netdev: + free_ieee80211softmac(net_dev); + goto out; +} + +static void __devexit bcm43xx_remove_one(struct pci_dev *pdev) +{ + struct net_device *net_dev = pci_get_drvdata(pdev); + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + + bcm43xx_debugfs_remove_device(bcm); + unregister_netdev(net_dev); + bcm43xx_detach_board(bcm); + assert(bcm->ucode == NULL); + free_ieee80211softmac(net_dev); +} + +/* Hard-reset the chip. Do not call this directly. + * Use bcm43xx_controller_restart() + */ +static void bcm43xx_chip_reset(void *_bcm) +{ + struct bcm43xx_private *bcm = _bcm; + struct net_device *net_dev = bcm->net_dev; + struct pci_dev *pci_dev = bcm->pci_dev; + int err; + int was_initialized = bcm->initialized; + + netif_stop_queue(bcm->net_dev); + tasklet_disable(&bcm->isr_tasklet); + + bcm->firmware_norelease = 1; + if (was_initialized) + bcm43xx_free_board(bcm); + bcm->firmware_norelease = 0; + bcm43xx_detach_board(bcm); + err = bcm43xx_init_private(bcm, net_dev, pci_dev); + if (err) + goto failure; + err = bcm43xx_attach_board(bcm); + if (err) + goto failure; + if (was_initialized) { + err = bcm43xx_init_board(bcm); + if (err) + goto failure; + } + netif_wake_queue(bcm->net_dev); + printk(KERN_INFO PFX "Controller restarted\n"); + + return; +failure: + printk(KERN_ERR PFX "Controller restart failed\n"); +} + +/* Hard-reset the chip. + * This can be called from interrupt or process context. + * Make sure to _not_ re-enable device interrupts after this has been called. +*/ +void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason) +{ + bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ + printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason); + INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset, bcm); + schedule_work(&bcm->restart_work); +} + +#ifdef CONFIG_PM + +static int bcm43xx_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *net_dev = pci_get_drvdata(pdev); + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int try_to_shutdown = 0, err; + + dprintk(KERN_INFO PFX "Suspending...\n"); + + bcm43xx_lock(bcm, flags); + bcm->was_initialized = bcm->initialized; + if (bcm->initialized) + try_to_shutdown = 1; + bcm43xx_unlock(bcm, flags); + + netif_device_detach(net_dev); + if (try_to_shutdown) { + ieee80211softmac_stop(net_dev); + err = bcm43xx_disable_interrupts_sync(bcm, &bcm->irq_savedstate); + if (unlikely(err)) { + dprintk(KERN_ERR PFX "Suspend failed.\n"); + return -EAGAIN; + } + bcm->firmware_norelease = 1; + bcm43xx_free_board(bcm); + bcm->firmware_norelease = 0; + } + bcm43xx_chipset_detach(bcm); + + pci_save_state(pdev); + pci_disable_device(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + dprintk(KERN_INFO PFX "Device suspended.\n"); + + return 0; +} + +static int bcm43xx_resume(struct pci_dev *pdev) +{ + struct net_device *net_dev = pci_get_drvdata(pdev); + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + int err = 0; + + dprintk(KERN_INFO PFX "Resuming...\n"); + + pci_set_power_state(pdev, 0); + pci_enable_device(pdev); + pci_restore_state(pdev); + + bcm43xx_chipset_attach(bcm); + if (bcm->was_initialized) { + bcm->irq_savedstate = BCM43xx_IRQ_INITIAL; + err = bcm43xx_init_board(bcm); + } + if (err) { + printk(KERN_ERR PFX "Resume failed!\n"); + return err; + } + + netif_device_attach(net_dev); + + /*FIXME: This should be handled by softmac instead. */ + schedule_work(&bcm->softmac->associnfo.work); + + dprintk(KERN_INFO PFX "Device resumed.\n"); + + return 0; +} + +#endif /* CONFIG_PM */ + +static struct pci_driver bcm43xx_pci_driver = { + .name = KBUILD_MODNAME, + .id_table = bcm43xx_pci_tbl, + .probe = bcm43xx_init_one, + .remove = __devexit_p(bcm43xx_remove_one), +#ifdef CONFIG_PM + .suspend = bcm43xx_suspend, + .resume = bcm43xx_resume, +#endif /* CONFIG_PM */ +}; + +static int __init bcm43xx_init(void) +{ + printk(KERN_INFO KBUILD_MODNAME " driver\n"); + bcm43xx_debugfs_init(); + return pci_register_driver(&bcm43xx_pci_driver); +} + +static void __exit bcm43xx_exit(void) +{ + pci_unregister_driver(&bcm43xx_pci_driver); + bcm43xx_debugfs_exit(); +} + +module_init(bcm43xx_init) +module_exit(bcm43xx_exit) diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h new file mode 100644 index 00000000000..eca79a38594 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h @@ -0,0 +1,168 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#ifndef BCM43xx_MAIN_H_ +#define BCM43xx_MAIN_H_ + +#include "bcm43xx.h" + +#ifdef CONFIG_BCM947XX +#define atoi(str) simple_strtoul(((str != NULL) ? str : ""), NULL, 0) + +static inline void e_aton(char *str, char *dest) +{ + int i = 0; + u16 *d = (u16 *) dest; + + for (;;) { + dest[i++] = (char) simple_strtoul(str, NULL, 16); + str += 2; + if (!*str++ || i == 6) + break; + } + for (i = 0; i < 3; i++) + d[i] = cpu_to_be16(d[i]); +} +#endif + +#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes] +#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes) +/* Magic helper macro to pad structures. Ignore those above. It's magic. */ +#define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes)) + + +/* Lightweight function to convert a frequency (in Mhz) to a channel number. */ +static inline +u8 bcm43xx_freq_to_channel_a(int freq) +{ + return ((freq - 5000) / 5); +} +static inline +u8 bcm43xx_freq_to_channel_bg(int freq) +{ + u8 channel; + + if (freq == 2484) + channel = 14; + else + channel = (freq - 2407) / 5; + + return channel; +} +static inline +u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm, + int freq) +{ + if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) + return bcm43xx_freq_to_channel_a(freq); + return bcm43xx_freq_to_channel_bg(freq); +} + +/* Lightweight function to convert a channel number to a frequency (in Mhz). */ +static inline +int bcm43xx_channel_to_freq_a(u8 channel) +{ + return (5000 + (5 * channel)); +} +static inline +int bcm43xx_channel_to_freq_bg(u8 channel) +{ + int freq; + + if (channel == 14) + freq = 2484; + else + freq = 2407 + (5 * channel); + + return freq; +} +static inline +int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm, + u8 channel) +{ + if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) + return bcm43xx_channel_to_freq_a(channel); + return bcm43xx_channel_to_freq_bg(channel); +} + +/* Lightweight function to check if a channel number is valid. + * Note that this does _NOT_ check for geographical restrictions! + */ +static inline +int bcm43xx_is_valid_channel_a(u8 channel) +{ + return (channel <= 200); +} +static inline +int bcm43xx_is_valid_channel_bg(u8 channel) +{ + return (channel >= 1 && channel <= 14); +} +static inline +int bcm43xx_is_valid_channel(struct bcm43xx_private *bcm, + u8 channel) +{ + if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) + return bcm43xx_is_valid_channel_a(channel); + return bcm43xx_is_valid_channel_bg(channel); +} + +void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf); +void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf); + +void bcm43xx_set_iwmode(struct bcm43xx_private *bcm, + int iw_mode); + +u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm, + u16 routing, u16 offset); +u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm, + u16 routing, u16 offset); +void bcm43xx_shm_write32(struct bcm43xx_private *bcm, + u16 routing, u16 offset, + u32 value); +void bcm43xx_shm_write16(struct bcm43xx_private *bcm, + u16 routing, u16 offset, + u16 value); + +void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm); + +int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core); + +void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy); + +void bcm43xx_mac_suspend(struct bcm43xx_private *bcm); +void bcm43xx_mac_enable(struct bcm43xx_private *bcm); + +void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason); + +int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom); +int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom); + +#endif /* BCM43xx_MAIN_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c new file mode 100644 index 00000000000..0a66f43ca0c --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c @@ -0,0 +1,2345 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/types.h> + +#include "bcm43xx.h" +#include "bcm43xx_phy.h" +#include "bcm43xx_main.h" +#include "bcm43xx_radio.h" +#include "bcm43xx_ilt.h" +#include "bcm43xx_power.h" + + +static const s8 bcm43xx_tssi2dbm_b_table[] = { + 0x4D, 0x4C, 0x4B, 0x4A, + 0x4A, 0x49, 0x48, 0x47, + 0x47, 0x46, 0x45, 0x45, + 0x44, 0x43, 0x42, 0x42, + 0x41, 0x40, 0x3F, 0x3E, + 0x3D, 0x3C, 0x3B, 0x3A, + 0x39, 0x38, 0x37, 0x36, + 0x35, 0x34, 0x32, 0x31, + 0x30, 0x2F, 0x2D, 0x2C, + 0x2B, 0x29, 0x28, 0x26, + 0x25, 0x23, 0x21, 0x1F, + 0x1D, 0x1A, 0x17, 0x14, + 0x10, 0x0C, 0x06, 0x00, + -7, -7, -7, -7, + -7, -7, -7, -7, + -7, -7, -7, -7, +}; + +static const s8 bcm43xx_tssi2dbm_g_table[] = { + 77, 77, 77, 76, + 76, 76, 75, 75, + 74, 74, 73, 73, + 73, 72, 72, 71, + 71, 70, 70, 69, + 68, 68, 67, 67, + 66, 65, 65, 64, + 63, 63, 62, 61, + 60, 59, 58, 57, + 56, 55, 54, 53, + 52, 50, 49, 47, + 45, 43, 40, 37, + 33, 28, 22, 14, + 5, -7, -20, -20, + -20, -20, -20, -20, + -20, -20, -20, -20, +}; + +static void bcm43xx_phy_initg(struct bcm43xx_private *bcm); + + +void bcm43xx_raw_phy_lock(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + + assert(irqs_disabled()); + if (bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) == 0x00000000) { + phy->is_locked = 0; + return; + } + if (bcm->current_core->rev < 3) { + bcm43xx_mac_suspend(bcm); + spin_lock(&phy->lock); + } else { + if (bcm->ieee->iw_mode != IW_MODE_MASTER) + bcm43xx_power_saving_ctl_bits(bcm, -1, 1); + } + phy->is_locked = 1; +} + +void bcm43xx_raw_phy_unlock(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + + assert(irqs_disabled()); + if (bcm->current_core->rev < 3) { + if (phy->is_locked) { + spin_unlock(&phy->lock); + bcm43xx_mac_enable(bcm); + } + } else { + if (bcm->ieee->iw_mode != IW_MODE_MASTER) + bcm43xx_power_saving_ctl_bits(bcm, -1, -1); + } + phy->is_locked = 0; +} + +u16 bcm43xx_phy_read(struct bcm43xx_private *bcm, u16 offset) +{ + bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset); + return bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_DATA); +} + +void bcm43xx_phy_write(struct bcm43xx_private *bcm, u16 offset, u16 val) +{ + bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_DATA, val); +} + +void bcm43xx_phy_calibrate(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + unsigned long flags; + + bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* Dummy read. */ + if (phy->calibrated) + return; + if (phy->type == BCM43xx_PHYTYPE_G && phy->rev == 1) { + /* We do not want to be preempted while calibrating + * the hardware. + */ + local_irq_save(flags); + + bcm43xx_wireless_core_reset(bcm, 0); + bcm43xx_phy_initg(bcm); + bcm43xx_wireless_core_reset(bcm, 1); + + local_irq_restore(flags); + } + phy->calibrated = 1; +} + +/* Connect the PHY + * http://bcm-specs.sipsolutions.net/SetPHY + */ +int bcm43xx_phy_connect(struct bcm43xx_private *bcm, int connect) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u32 flags; + + if (bcm->current_core->rev < 5) + goto out; + + flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); + if (connect) { + if (!(flags & 0x00010000)) + return -ENODEV; + flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + flags |= (0x800 << 18); + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags); + } else { + if (!(flags & 0x00020000)) + return -ENODEV; + flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + flags &= ~(0x800 << 18); + bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags); + } +out: + phy->connected = connect; + if (connect) + dprintk(KERN_INFO PFX "PHY connected\n"); + else + dprintk(KERN_INFO PFX "PHY disconnected\n"); + + return 0; +} + +/* intialize B PHY power control + * as described in http://bcm-specs.sipsolutions.net/InitPowerControl + */ +static void bcm43xx_phy_init_pctl(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 saved_batt = 0, saved_ratt = 0, saved_txctl1 = 0; + int must_reset_txpower = 0; + + assert(phy->type != BCM43xx_PHYTYPE_A); + if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) && + (bcm->board_type == 0x0416)) + return; + + bcm43xx_write16(bcm, 0x03E6, bcm43xx_read16(bcm, 0x03E6) & 0xFFDF); + bcm43xx_phy_write(bcm, 0x0028, 0x8018); + + if (phy->type == BCM43xx_PHYTYPE_G) { + if (!phy->connected) + return; + bcm43xx_phy_write(bcm, 0x047A, 0xC111); + } + if (phy->savedpctlreg != 0xFFFF) + return; + + if (phy->type == BCM43xx_PHYTYPE_B && + phy->rev >= 2 && + radio->version == 0x2050) { + bcm43xx_radio_write16(bcm, 0x0076, + bcm43xx_radio_read16(bcm, 0x0076) | 0x0084); + } else { + saved_batt = radio->baseband_atten; + saved_ratt = radio->radio_atten; + saved_txctl1 = radio->txctl1; + if ((radio->revision >= 6) && (radio->revision <= 8) + && /*FIXME: incomplete specs for 5 < revision < 9 */ 0) + bcm43xx_radio_set_txpower_bg(bcm, 0xB, 0x1F, 0); + else + bcm43xx_radio_set_txpower_bg(bcm, 0xB, 9, 0); + must_reset_txpower = 1; + } + bcm43xx_dummy_transmission(bcm); + + phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_PCTL); + + if (must_reset_txpower) + bcm43xx_radio_set_txpower_bg(bcm, saved_batt, saved_ratt, saved_txctl1); + else + bcm43xx_radio_write16(bcm, 0x0076, bcm43xx_radio_read16(bcm, 0x0076) & 0xFF7B); + bcm43xx_radio_clear_tssi(bcm); +} + +static void bcm43xx_phy_agcsetup(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 offset = 0x0000; + + if (phy->rev == 1) + offset = 0x4C00; + + bcm43xx_ilt_write(bcm, offset, 0x00FE); + bcm43xx_ilt_write(bcm, offset + 1, 0x000D); + bcm43xx_ilt_write(bcm, offset + 2, 0x0013); + bcm43xx_ilt_write(bcm, offset + 3, 0x0019); + + if (phy->rev == 1) { + bcm43xx_ilt_write(bcm, 0x1800, 0x2710); + bcm43xx_ilt_write(bcm, 0x1801, 0x9B83); + bcm43xx_ilt_write(bcm, 0x1802, 0x9B83); + bcm43xx_ilt_write(bcm, 0x1803, 0x0F8D); + bcm43xx_phy_write(bcm, 0x0455, 0x0004); + } + + bcm43xx_phy_write(bcm, 0x04A5, (bcm43xx_phy_read(bcm, 0x04A5) & 0x00FF) | 0x5700); + bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xFF80) | 0x000F); + bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xC07F) | 0x2B80); + bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xF0FF) | 0x0300); + + bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0008); + + bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xFFF0) | 0x0008); + bcm43xx_phy_write(bcm, 0x04A1, (bcm43xx_phy_read(bcm, 0x04A1) & 0xF0FF) | 0x0600); + bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xF0FF) | 0x0700); + bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xF0FF) | 0x0100); + + if (phy->rev == 1) + bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xFFF0) | 0x0007); + + bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xFF00) | 0x001C); + bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xC0FF) | 0x0200); + bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0xFF00) | 0x001C); + bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xFF00) | 0x0020); + bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xC0FF) | 0x0200); + bcm43xx_phy_write(bcm, 0x0482, (bcm43xx_phy_read(bcm, 0x0482) & 0xFF00) | 0x002E); + bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0x00FF) | 0x1A00); + bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0xFF00) | 0x0028); + bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0x00FF) | 0x2C00); + + if (phy->rev == 1) { + bcm43xx_phy_write(bcm, 0x0430, 0x092B); + bcm43xx_phy_write(bcm, 0x041B, (bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1) | 0x0002); + } else { + bcm43xx_phy_write(bcm, 0x041B, bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1); + bcm43xx_phy_write(bcm, 0x041F, 0x287A); + bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0xFFF0) | 0x0004); + } + + if (phy->rev > 2) { + bcm43xx_phy_write(bcm, 0x0422, 0x287A); + bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0x0FFF) | 0x3000); + } + + bcm43xx_phy_write(bcm, 0x04A8, (bcm43xx_phy_read(bcm, 0x04A8) & 0x8080) | 0x7874); + bcm43xx_phy_write(bcm, 0x048E, 0x1C00); + + if (phy->rev == 1) { + bcm43xx_phy_write(bcm, 0x04AB, (bcm43xx_phy_read(bcm, 0x04AB) & 0xF0FF) | 0x0600); + bcm43xx_phy_write(bcm, 0x048B, 0x005E); + bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xFF00) | 0x001E); + bcm43xx_phy_write(bcm, 0x048D, 0x0002); + } + + bcm43xx_ilt_write(bcm, offset + 0x0800, 0); + bcm43xx_ilt_write(bcm, offset + 0x0801, 7); + bcm43xx_ilt_write(bcm, offset + 0x0802, 16); + bcm43xx_ilt_write(bcm, offset + 0x0803, 28); +} + +static void bcm43xx_phy_setupg(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 i; + + assert(phy->type == BCM43xx_PHYTYPE_G); + if (phy->rev == 1) { + bcm43xx_phy_write(bcm, 0x0406, 0x4F19); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0xFC3F) | 0x0340); + bcm43xx_phy_write(bcm, 0x042C, 0x005A); + bcm43xx_phy_write(bcm, 0x0427, 0x001A); + + for (i = 0; i < BCM43xx_ILT_FINEFREQG_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqg[i]); + for (i = 0; i < BCM43xx_ILT_NOISEG1_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg1[i]); + for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]); + } else { + /* nrssi values are signed 6-bit values. Not sure why we write 0x7654 here... */ + bcm43xx_nrssi_hw_write(bcm, 0xBA98, (s16)0x7654); + + if (phy->rev == 2) { + bcm43xx_phy_write(bcm, 0x04C0, 0x1861); + bcm43xx_phy_write(bcm, 0x04C1, 0x0271); + } else if (phy->rev > 2) { + bcm43xx_phy_write(bcm, 0x04C0, 0x0098); + bcm43xx_phy_write(bcm, 0x04C1, 0x0070); + bcm43xx_phy_write(bcm, 0x04C9, 0x0080); + } + bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x800); + + for (i = 0; i < 64; i++) + bcm43xx_ilt_write(bcm, 0x4000 + i, i); + for (i = 0; i < BCM43xx_ILT_NOISEG2_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg2[i]); + } + + if (phy->rev <= 2) + for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg1[i]); + else if ((phy->rev == 7) && (bcm43xx_phy_read(bcm, 0x0449) & 0x0200)) + for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg3[i]); + else + for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg2[i]); + + if (phy->rev == 2) + for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]); + else if ((phy->rev > 2) && (phy->rev <= 7)) + for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr2[i]); + + if (phy->rev == 1) { + for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]); + for (i = 0; i < 4; i++) { + bcm43xx_ilt_write(bcm, 0x5404 + i, 0x0020); + bcm43xx_ilt_write(bcm, 0x5408 + i, 0x0020); + bcm43xx_ilt_write(bcm, 0x540C + i, 0x0020); + bcm43xx_ilt_write(bcm, 0x5410 + i, 0x0020); + } + bcm43xx_phy_agcsetup(bcm); + + if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) && + (bcm->board_type == 0x0416) && + (bcm->board_revision == 0x0017)) + return; + + bcm43xx_ilt_write(bcm, 0x5001, 0x0002); + bcm43xx_ilt_write(bcm, 0x5002, 0x0001); + } else { + for (i = 0; i <= 0x2F; i++) + bcm43xx_ilt_write(bcm, 0x1000 + i, 0x0820); + bcm43xx_phy_agcsetup(bcm); + bcm43xx_phy_read(bcm, 0x0400); /* dummy read */ + bcm43xx_phy_write(bcm, 0x0403, 0x1000); + bcm43xx_ilt_write(bcm, 0x3C02, 0x000F); + bcm43xx_ilt_write(bcm, 0x3C03, 0x0014); + + if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) && + (bcm->board_type == 0x0416) && + (bcm->board_revision == 0x0017)) + return; + + bcm43xx_ilt_write(bcm, 0x0401, 0x0002); + bcm43xx_ilt_write(bcm, 0x0402, 0x0001); + } +} + +/* Initialize the noisescaletable for APHY */ +static void bcm43xx_phy_init_noisescaletbl(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + int i; + + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, 0x1400); + for (i = 0; i < 12; i++) { + if (phy->rev == 2) + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767); + else + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323); + } + if (phy->rev == 2) + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6700); + else + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2300); + for (i = 0; i < 11; i++) { + if (phy->rev == 2) + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767); + else + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323); + } + if (phy->rev == 2) + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0067); + else + bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0023); +} + +static void bcm43xx_phy_setupa(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 i; + + assert(phy->type == BCM43xx_PHYTYPE_A); + switch (phy->rev) { + case 2: + bcm43xx_phy_write(bcm, 0x008E, 0x3800); + bcm43xx_phy_write(bcm, 0x0035, 0x03FF); + bcm43xx_phy_write(bcm, 0x0036, 0x0400); + + bcm43xx_ilt_write(bcm, 0x3807, 0x0051); + + bcm43xx_phy_write(bcm, 0x001C, 0x0FF9); + bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F); + bcm43xx_ilt_write(bcm, 0x3C0C, 0x07BF); + bcm43xx_radio_write16(bcm, 0x0002, 0x07BF); + + bcm43xx_phy_write(bcm, 0x0024, 0x4680); + bcm43xx_phy_write(bcm, 0x0020, 0x0003); + bcm43xx_phy_write(bcm, 0x001D, 0x0F40); + bcm43xx_phy_write(bcm, 0x001F, 0x1C00); + + bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400); + bcm43xx_phy_write(bcm, 0x002B, bcm43xx_phy_read(bcm, 0x002B) & 0xFBFF); + bcm43xx_phy_write(bcm, 0x008E, 0x58C1); + + bcm43xx_ilt_write(bcm, 0x0803, 0x000F); + bcm43xx_ilt_write(bcm, 0x0804, 0x001F); + bcm43xx_ilt_write(bcm, 0x0805, 0x002A); + bcm43xx_ilt_write(bcm, 0x0805, 0x0030); + bcm43xx_ilt_write(bcm, 0x0807, 0x003A); + + bcm43xx_ilt_write(bcm, 0x0000, 0x0013); + bcm43xx_ilt_write(bcm, 0x0001, 0x0013); + bcm43xx_ilt_write(bcm, 0x0002, 0x0013); + bcm43xx_ilt_write(bcm, 0x0003, 0x0013); + bcm43xx_ilt_write(bcm, 0x0004, 0x0015); + bcm43xx_ilt_write(bcm, 0x0005, 0x0015); + bcm43xx_ilt_write(bcm, 0x0006, 0x0019); + + bcm43xx_ilt_write(bcm, 0x0404, 0x0003); + bcm43xx_ilt_write(bcm, 0x0405, 0x0003); + bcm43xx_ilt_write(bcm, 0x0406, 0x0007); + + for (i = 0; i < 16; i++) + bcm43xx_ilt_write(bcm, 0x4000 + i, (0x8 + i) & 0x000F); + + bcm43xx_ilt_write(bcm, 0x3003, 0x1044); + bcm43xx_ilt_write(bcm, 0x3004, 0x7201); + bcm43xx_ilt_write(bcm, 0x3006, 0x0040); + bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008); + + for (i = 0; i < BCM43xx_ILT_FINEFREQA_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqa[i]); + for (i = 0; i < BCM43xx_ILT_NOISEA2_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea2[i]); + for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]); + bcm43xx_phy_init_noisescaletbl(bcm); + for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]); + break; + case 3: + for (i = 0; i < 64; i++) + bcm43xx_ilt_write(bcm, 0x4000 + i, i); + + bcm43xx_ilt_write(bcm, 0x3807, 0x0051); + + bcm43xx_phy_write(bcm, 0x001C, 0x0FF9); + bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F); + bcm43xx_radio_write16(bcm, 0x0002, 0x07BF); + + bcm43xx_phy_write(bcm, 0x0024, 0x4680); + bcm43xx_phy_write(bcm, 0x0020, 0x0003); + bcm43xx_phy_write(bcm, 0x001D, 0x0F40); + bcm43xx_phy_write(bcm, 0x001F, 0x1C00); + bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400); + + bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008); + for (i = 0; i < BCM43xx_ILT_NOISEA3_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea3[i]); + bcm43xx_phy_init_noisescaletbl(bcm); + for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++) + bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]); + + bcm43xx_phy_write(bcm, 0x0003, 0x1808); + + bcm43xx_ilt_write(bcm, 0x0803, 0x000F); + bcm43xx_ilt_write(bcm, 0x0804, 0x001F); + bcm43xx_ilt_write(bcm, 0x0805, 0x002A); + bcm43xx_ilt_write(bcm, 0x0805, 0x0030); + bcm43xx_ilt_write(bcm, 0x0807, 0x003A); + + bcm43xx_ilt_write(bcm, 0x0000, 0x0013); + bcm43xx_ilt_write(bcm, 0x0001, 0x0013); + bcm43xx_ilt_write(bcm, 0x0002, 0x0013); + bcm43xx_ilt_write(bcm, 0x0003, 0x0013); + bcm43xx_ilt_write(bcm, 0x0004, 0x0015); + bcm43xx_ilt_write(bcm, 0x0005, 0x0015); + bcm43xx_ilt_write(bcm, 0x0006, 0x0019); + + bcm43xx_ilt_write(bcm, 0x0404, 0x0003); + bcm43xx_ilt_write(bcm, 0x0405, 0x0003); + bcm43xx_ilt_write(bcm, 0x0406, 0x0007); + + bcm43xx_ilt_write(bcm, 0x3C02, 0x000F); + bcm43xx_ilt_write(bcm, 0x3C03, 0x0014); + break; + default: + assert(0); + } +} + +/* Initialize APHY. This is also called for the GPHY in some cases. */ +static void bcm43xx_phy_inita(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 tval; + + if (phy->type == BCM43xx_PHYTYPE_A) { + bcm43xx_phy_setupa(bcm); + } else { + bcm43xx_phy_setupg(bcm); + if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) + bcm43xx_phy_write(bcm, 0x046E, 0x03CF); + return; + } + + bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS, + (bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) & 0xF83C) | 0x0340); + bcm43xx_phy_write(bcm, 0x0034, 0x0001); + + TODO();//TODO: RSSI AGC + bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS, + bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) | (1 << 14)); + bcm43xx_radio_init2060(bcm); + + if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) + && ((bcm->board_type == 0x0416) || (bcm->board_type == 0x040A))) { + if (radio->lofcal == 0xFFFF) { + TODO();//TODO: LOF Cal + bcm43xx_radio_set_tx_iq(bcm); + } else + bcm43xx_radio_write16(bcm, 0x001E, radio->lofcal); + } + + bcm43xx_phy_write(bcm, 0x007A, 0xF111); + + if (phy->savedpctlreg == 0xFFFF) { + bcm43xx_radio_write16(bcm, 0x0019, 0x0000); + bcm43xx_radio_write16(bcm, 0x0017, 0x0020); + + tval = bcm43xx_ilt_read(bcm, 0x3001); + if (phy->rev == 1) { + bcm43xx_ilt_write(bcm, 0x3001, + (bcm43xx_ilt_read(bcm, 0x3001) & 0xFF87) + | 0x0058); + } else { + bcm43xx_ilt_write(bcm, 0x3001, + (bcm43xx_ilt_read(bcm, 0x3001) & 0xFFC3) + | 0x002C); + } + bcm43xx_dummy_transmission(bcm); + phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_A_PCTL); + bcm43xx_ilt_write(bcm, 0x3001, tval); + + bcm43xx_radio_set_txpower_a(bcm, 0x0018); + } + bcm43xx_radio_clear_tssi(bcm); +} + +static void bcm43xx_phy_initb2(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 offset, val; + + bcm43xx_write16(bcm, 0x03EC, 0x3F22); + bcm43xx_phy_write(bcm, 0x0020, 0x301C); + bcm43xx_phy_write(bcm, 0x0026, 0x0000); + bcm43xx_phy_write(bcm, 0x0030, 0x00C6); + bcm43xx_phy_write(bcm, 0x0088, 0x3E00); + val = 0x3C3D; + for (offset = 0x0089; offset < 0x00A7; offset++) { + bcm43xx_phy_write(bcm, offset, val); + val -= 0x0202; + } + bcm43xx_phy_write(bcm, 0x03E4, 0x3000); + if (radio->channel == 0xFF) + bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0); + else + bcm43xx_radio_selectchannel(bcm, radio->channel, 0); + if (radio->version != 0x2050) { + bcm43xx_radio_write16(bcm, 0x0075, 0x0080); + bcm43xx_radio_write16(bcm, 0x0079, 0x0081); + } + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + bcm43xx_radio_write16(bcm, 0x0050, 0x0023); + if (radio->version == 0x2050) { + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + bcm43xx_radio_write16(bcm, 0x005A, 0x0070); + bcm43xx_radio_write16(bcm, 0x005B, 0x007B); + bcm43xx_radio_write16(bcm, 0x005C, 0x00B0); + bcm43xx_radio_write16(bcm, 0x007A, 0x000F); + bcm43xx_phy_write(bcm, 0x0038, 0x0677); + bcm43xx_radio_init2050(bcm); + } + bcm43xx_phy_write(bcm, 0x0014, 0x0080); + bcm43xx_phy_write(bcm, 0x0032, 0x00CA); + bcm43xx_phy_write(bcm, 0x0032, 0x00CC); + bcm43xx_phy_write(bcm, 0x0035, 0x07C2); + bcm43xx_phy_lo_b_measure(bcm); + bcm43xx_phy_write(bcm, 0x0026, 0xCC00); + if (radio->version != 0x2050) + bcm43xx_phy_write(bcm, 0x0026, 0xCE00); + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1000); + bcm43xx_phy_write(bcm, 0x002A, 0x88A3); + if (radio->version != 0x2050) + bcm43xx_phy_write(bcm, 0x002A, 0x88C2); + bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF); + bcm43xx_phy_init_pctl(bcm); +} + +static void bcm43xx_phy_initb4(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 offset, val; + + bcm43xx_write16(bcm, 0x03EC, 0x3F22); + bcm43xx_phy_write(bcm, 0x0020, 0x301C); + bcm43xx_phy_write(bcm, 0x0026, 0x0000); + bcm43xx_phy_write(bcm, 0x0030, 0x00C6); + bcm43xx_phy_write(bcm, 0x0088, 0x3E00); + val = 0x3C3D; + for (offset = 0x0089; offset < 0x00A7; offset++) { + bcm43xx_phy_write(bcm, offset, val); + val -= 0x0202; + } + bcm43xx_phy_write(bcm, 0x03E4, 0x3000); + if (radio->channel == 0xFF) + bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0); + else + bcm43xx_radio_selectchannel(bcm, radio->channel, 0); + if (radio->version != 0x2050) { + bcm43xx_radio_write16(bcm, 0x0075, 0x0080); + bcm43xx_radio_write16(bcm, 0x0079, 0x0081); + } + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + bcm43xx_radio_write16(bcm, 0x0050, 0x0023); + if (radio->version == 0x2050) { + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + bcm43xx_radio_write16(bcm, 0x005A, 0x0070); + bcm43xx_radio_write16(bcm, 0x005B, 0x007B); + bcm43xx_radio_write16(bcm, 0x005C, 0x00B0); + bcm43xx_radio_write16(bcm, 0x007A, 0x000F); + bcm43xx_phy_write(bcm, 0x0038, 0x0677); + bcm43xx_radio_init2050(bcm); + } + bcm43xx_phy_write(bcm, 0x0014, 0x0080); + bcm43xx_phy_write(bcm, 0x0032, 0x00CA); + if (radio->version == 0x2050) + bcm43xx_phy_write(bcm, 0x0032, 0x00E0); + bcm43xx_phy_write(bcm, 0x0035, 0x07C2); + + bcm43xx_phy_lo_b_measure(bcm); + + bcm43xx_phy_write(bcm, 0x0026, 0xCC00); + if (radio->version == 0x2050) + bcm43xx_phy_write(bcm, 0x0026, 0xCE00); + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1100); + bcm43xx_phy_write(bcm, 0x002A, 0x88A3); + if (radio->version == 0x2050) + bcm43xx_phy_write(bcm, 0x002A, 0x88C2); + bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF); + if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { + bcm43xx_calc_nrssi_slope(bcm); + bcm43xx_calc_nrssi_threshold(bcm); + } + bcm43xx_phy_init_pctl(bcm); +} + +static void bcm43xx_phy_initb5(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 offset; + + if (phy->version == 1 && + radio->version == 0x2050) { + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) + | 0x0050); + } + if ((bcm->board_vendor != PCI_VENDOR_ID_BROADCOM) && + (bcm->board_type != 0x0416)) { + for (offset = 0x00A8 ; offset < 0x00C7; offset++) { + bcm43xx_phy_write(bcm, offset, + (bcm43xx_phy_read(bcm, offset) + 0x2020) + & 0x3F3F); + } + } + bcm43xx_phy_write(bcm, 0x0035, + (bcm43xx_phy_read(bcm, 0x0035) & 0xF0FF) + | 0x0700); + if (radio->version == 0x2050) + bcm43xx_phy_write(bcm, 0x0038, 0x0667); + + if (phy->connected) { + if (radio->version == 0x2050) { + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) + | 0x0020); + bcm43xx_radio_write16(bcm, 0x0051, + bcm43xx_radio_read16(bcm, 0x0051) + | 0x0004); + } + bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, 0x0000); + + bcm43xx_phy_write(bcm, 0x0802, bcm43xx_phy_read(bcm, 0x0802) | 0x0100); + bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x2000); + + bcm43xx_phy_write(bcm, 0x001C, 0x186A); + + bcm43xx_phy_write(bcm, 0x0013, (bcm43xx_phy_read(bcm, 0x0013) & 0x00FF) | 0x1900); + bcm43xx_phy_write(bcm, 0x0035, (bcm43xx_phy_read(bcm, 0x0035) & 0xFFC0) | 0x0064); + bcm43xx_phy_write(bcm, 0x005D, (bcm43xx_phy_read(bcm, 0x005D) & 0xFF80) | 0x000A); + } + + if (bcm->bad_frames_preempt) { + bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, + bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | (1 << 11)); + } + + if (phy->version == 1 && radio->version == 0x2050) { + bcm43xx_phy_write(bcm, 0x0026, 0xCE00); + bcm43xx_phy_write(bcm, 0x0021, 0x3763); + bcm43xx_phy_write(bcm, 0x0022, 0x1BC3); + bcm43xx_phy_write(bcm, 0x0023, 0x06F9); + bcm43xx_phy_write(bcm, 0x0024, 0x037E); + } else + bcm43xx_phy_write(bcm, 0x0026, 0xCC00); + bcm43xx_phy_write(bcm, 0x0030, 0x00C6); + bcm43xx_write16(bcm, 0x03EC, 0x3F22); + + if (phy->version == 1 && radio->version == 0x2050) + bcm43xx_phy_write(bcm, 0x0020, 0x3E1C); + else + bcm43xx_phy_write(bcm, 0x0020, 0x301C); + + if (phy->version == 0) + bcm43xx_write16(bcm, 0x03E4, 0x3000); + + /* Force to channel 7, even if not supported. */ + bcm43xx_radio_selectchannel(bcm, 7, 0); + + if (radio->version != 0x2050) { + bcm43xx_radio_write16(bcm, 0x0075, 0x0080); + bcm43xx_radio_write16(bcm, 0x0079, 0x0081); + } + + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + bcm43xx_radio_write16(bcm, 0x0050, 0x0023); + + if (radio->version == 0x2050) { + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + bcm43xx_radio_write16(bcm, 0x005A, 0x0070); + } + + bcm43xx_radio_write16(bcm, 0x005B, 0x007B); + bcm43xx_radio_write16(bcm, 0x005C, 0x00B0); + + bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0007); + + bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0); + + bcm43xx_phy_write(bcm, 0x0014, 0x0080); + bcm43xx_phy_write(bcm, 0x0032, 0x00CA); + bcm43xx_phy_write(bcm, 0x88A3, 0x002A); + + bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF); + + if (radio->version == 0x2050) + bcm43xx_radio_write16(bcm, 0x005D, 0x000D); + + bcm43xx_write16(bcm, 0x03E4, (bcm43xx_read16(bcm, 0x03E4) & 0xFFC0) | 0x0004); +} + +static void bcm43xx_phy_initb6(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 offset, val; + + bcm43xx_phy_write(bcm, 0x003E, 0x817A); + bcm43xx_radio_write16(bcm, 0x007A, + (bcm43xx_radio_read16(bcm, 0x007A) | 0x0058)); + if ((radio->manufact == 0x17F) && + (radio->version == 0x2050) && + (radio->revision == 3 || + radio->revision == 4 || + radio->revision == 5)) { + bcm43xx_radio_write16(bcm, 0x0051, 0x001F); + bcm43xx_radio_write16(bcm, 0x0052, 0x0040); + bcm43xx_radio_write16(bcm, 0x0053, 0x005B); + bcm43xx_radio_write16(bcm, 0x0054, 0x0098); + bcm43xx_radio_write16(bcm, 0x005A, 0x0088); + bcm43xx_radio_write16(bcm, 0x005B, 0x0088); + bcm43xx_radio_write16(bcm, 0x005D, 0x0088); + bcm43xx_radio_write16(bcm, 0x005E, 0x0088); + bcm43xx_radio_write16(bcm, 0x007D, 0x0088); + } + if ((radio->manufact == 0x17F) && + (radio->version == 0x2050) && + (radio->revision == 6)) { + bcm43xx_radio_write16(bcm, 0x0051, 0x0000); + bcm43xx_radio_write16(bcm, 0x0052, 0x0040); + bcm43xx_radio_write16(bcm, 0x0053, 0x00B7); + bcm43xx_radio_write16(bcm, 0x0054, 0x0098); + bcm43xx_radio_write16(bcm, 0x005A, 0x0088); + bcm43xx_radio_write16(bcm, 0x005B, 0x008B); + bcm43xx_radio_write16(bcm, 0x005C, 0x00B5); + bcm43xx_radio_write16(bcm, 0x005D, 0x0088); + bcm43xx_radio_write16(bcm, 0x005E, 0x0088); + bcm43xx_radio_write16(bcm, 0x007D, 0x0088); + bcm43xx_radio_write16(bcm, 0x007C, 0x0001); + bcm43xx_radio_write16(bcm, 0x007E, 0x0008); + } + if ((radio->manufact == 0x17F) && + (radio->version == 0x2050) && + (radio->revision == 7)) { + bcm43xx_radio_write16(bcm, 0x0051, 0x0000); + bcm43xx_radio_write16(bcm, 0x0052, 0x0040); + bcm43xx_radio_write16(bcm, 0x0053, 0x00B7); + bcm43xx_radio_write16(bcm, 0x0054, 0x0098); + bcm43xx_radio_write16(bcm, 0x005A, 0x0088); + bcm43xx_radio_write16(bcm, 0x005B, 0x00A8); + bcm43xx_radio_write16(bcm, 0x005C, 0x0075); + bcm43xx_radio_write16(bcm, 0x005D, 0x00F5); + bcm43xx_radio_write16(bcm, 0x005E, 0x00B8); + bcm43xx_radio_write16(bcm, 0x007D, 0x00E8); + bcm43xx_radio_write16(bcm, 0x007C, 0x0001); + bcm43xx_radio_write16(bcm, 0x007E, 0x0008); + bcm43xx_radio_write16(bcm, 0x007B, 0x0000); + } + if ((radio->manufact == 0x17F) && + (radio->version == 0x2050) && + (radio->revision == 8)) { + bcm43xx_radio_write16(bcm, 0x0051, 0x0000); + bcm43xx_radio_write16(bcm, 0x0052, 0x0040); + bcm43xx_radio_write16(bcm, 0x0053, 0x00B7); + bcm43xx_radio_write16(bcm, 0x0054, 0x0098); + bcm43xx_radio_write16(bcm, 0x005A, 0x0088); + bcm43xx_radio_write16(bcm, 0x005B, 0x006B); + bcm43xx_radio_write16(bcm, 0x005C, 0x000F); + if (bcm->sprom.boardflags & 0x8000) { + bcm43xx_radio_write16(bcm, 0x005D, 0x00FA); + bcm43xx_radio_write16(bcm, 0x005E, 0x00D8); + } else { + bcm43xx_radio_write16(bcm, 0x005D, 0x00F5); + bcm43xx_radio_write16(bcm, 0x005E, 0x00B8); + } + bcm43xx_radio_write16(bcm, 0x0073, 0x0003); + bcm43xx_radio_write16(bcm, 0x007D, 0x00A8); + bcm43xx_radio_write16(bcm, 0x007C, 0x0001); + bcm43xx_radio_write16(bcm, 0x007E, 0x0008); + } + val = 0x1E1F; + for (offset = 0x0088; offset < 0x0098; offset++) { + bcm43xx_phy_write(bcm, offset, val); + val -= 0x0202; + } + val = 0x3E3F; + for (offset = 0x0098; offset < 0x00A8; offset++) { + bcm43xx_phy_write(bcm, offset, val); + val -= 0x0202; + } + val = 0x2120; + for (offset = 0x00A8; offset < 0x00C8; offset++) { + bcm43xx_phy_write(bcm, offset, (val & 0x3F3F)); + val += 0x0202; + } + if (phy->type == BCM43xx_PHYTYPE_G) { + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) | 0x0020); + bcm43xx_radio_write16(bcm, 0x0051, + bcm43xx_radio_read16(bcm, 0x0051) | 0x0004); + bcm43xx_phy_write(bcm, 0x0802, + bcm43xx_phy_read(bcm, 0x0802) | 0x0100); + bcm43xx_phy_write(bcm, 0x042B, + bcm43xx_phy_read(bcm, 0x042B) | 0x2000); + } + + /* Force to channel 7, even if not supported. */ + bcm43xx_radio_selectchannel(bcm, 7, 0); + + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + bcm43xx_radio_write16(bcm, 0x0050, 0x0023); + udelay(40); + bcm43xx_radio_write16(bcm, 0x007C, (bcm43xx_radio_read16(bcm, 0x007C) | 0x0002)); + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + if (radio->manufact == 0x17F && + radio->version == 0x2050 && + radio->revision <= 2) { + bcm43xx_radio_write16(bcm, 0x0050, 0x0020); + bcm43xx_radio_write16(bcm, 0x005A, 0x0070); + bcm43xx_radio_write16(bcm, 0x005B, 0x007B); + bcm43xx_radio_write16(bcm, 0x005C, 0x00B0); + } + bcm43xx_radio_write16(bcm, 0x007A, + (bcm43xx_radio_read16(bcm, 0x007A) & 0x00F8) | 0x0007); + + bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0); + + bcm43xx_phy_write(bcm, 0x0014, 0x0200); + if (radio->version == 0x2050){ + if (radio->revision == 3 || + radio->revision == 4 || + radio->revision == 5) + bcm43xx_phy_write(bcm, 0x002A, 0x8AC0); + else + bcm43xx_phy_write(bcm, 0x002A, 0x88C2); + } + bcm43xx_phy_write(bcm, 0x0038, 0x0668); + bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF); + if (radio->version == 0x2050) { + if (radio->revision == 3 || + radio->revision == 4 || + radio->revision == 5) + bcm43xx_phy_write(bcm, 0x005D, bcm43xx_phy_read(bcm, 0x005D) | 0x0003); + else if (radio->revision <= 2) + bcm43xx_radio_write16(bcm, 0x005D, 0x000D); + } + + if (phy->rev == 4) + bcm43xx_phy_write(bcm, 0x0002, (bcm43xx_phy_read(bcm, 0x0002) & 0xFFC0) | 0x0004); + else + bcm43xx_write16(bcm, 0x03E4, 0x0009); + if (phy->type == BCM43xx_PHYTYPE_B) { + bcm43xx_write16(bcm, 0x03E6, 0x8140); + bcm43xx_phy_write(bcm, 0x0016, 0x0410); + bcm43xx_phy_write(bcm, 0x0017, 0x0820); + bcm43xx_phy_write(bcm, 0x0062, 0x0007); + (void) bcm43xx_radio_calibrationvalue(bcm); + bcm43xx_phy_lo_b_measure(bcm); + if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { + bcm43xx_calc_nrssi_slope(bcm); + bcm43xx_calc_nrssi_threshold(bcm); + } + bcm43xx_phy_init_pctl(bcm); + } else + bcm43xx_write16(bcm, 0x03E6, 0x0); +} + +static void bcm43xx_calc_loopback_gain(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 backup_phy[15]; + u16 backup_radio[3]; + u16 backup_bband; + u16 i; + u16 loop1_cnt, loop1_done, loop1_omitted; + u16 loop2_done; + + backup_phy[0] = bcm43xx_phy_read(bcm, 0x0429); + backup_phy[1] = bcm43xx_phy_read(bcm, 0x0001); + backup_phy[2] = bcm43xx_phy_read(bcm, 0x0811); + backup_phy[3] = bcm43xx_phy_read(bcm, 0x0812); + backup_phy[4] = bcm43xx_phy_read(bcm, 0x0814); + backup_phy[5] = bcm43xx_phy_read(bcm, 0x0815); + backup_phy[6] = bcm43xx_phy_read(bcm, 0x005A); + backup_phy[7] = bcm43xx_phy_read(bcm, 0x0059); + backup_phy[8] = bcm43xx_phy_read(bcm, 0x0058); + backup_phy[9] = bcm43xx_phy_read(bcm, 0x000A); + backup_phy[10] = bcm43xx_phy_read(bcm, 0x0003); + backup_phy[11] = bcm43xx_phy_read(bcm, 0x080F); + backup_phy[12] = bcm43xx_phy_read(bcm, 0x0810); + backup_phy[13] = bcm43xx_phy_read(bcm, 0x002B); + backup_phy[14] = bcm43xx_phy_read(bcm, 0x0015); + bcm43xx_phy_read(bcm, 0x002D); /* dummy read */ + backup_bband = radio->baseband_atten; + backup_radio[0] = bcm43xx_radio_read16(bcm, 0x0052); + backup_radio[1] = bcm43xx_radio_read16(bcm, 0x0043); + backup_radio[2] = bcm43xx_radio_read16(bcm, 0x007A); + + bcm43xx_phy_write(bcm, 0x0429, + bcm43xx_phy_read(bcm, 0x0429) & 0x3FFF); + bcm43xx_phy_write(bcm, 0x0001, + bcm43xx_phy_read(bcm, 0x0001) & 0x8000); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x0002); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) & 0xFFFD); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x0001); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) & 0xFFFE); + bcm43xx_phy_write(bcm, 0x0814, + bcm43xx_phy_read(bcm, 0x0814) | 0x0001); + bcm43xx_phy_write(bcm, 0x0815, + bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE); + bcm43xx_phy_write(bcm, 0x0814, + bcm43xx_phy_read(bcm, 0x0814) | 0x0002); + bcm43xx_phy_write(bcm, 0x0815, + bcm43xx_phy_read(bcm, 0x0815) & 0xFFFD); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x000C); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) | 0x000C); + + bcm43xx_phy_write(bcm, 0x0811, + (bcm43xx_phy_read(bcm, 0x0811) + & 0xFFCF) | 0x0030); + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) + & 0xFFCF) | 0x0010); + + bcm43xx_phy_write(bcm, 0x005A, 0x0780); + bcm43xx_phy_write(bcm, 0x0059, 0xC810); + bcm43xx_phy_write(bcm, 0x0058, 0x000D); + if (phy->version == 0) { + bcm43xx_phy_write(bcm, 0x0003, 0x0122); + } else { + bcm43xx_phy_write(bcm, 0x000A, + bcm43xx_phy_read(bcm, 0x000A) + | 0x2000); + } + bcm43xx_phy_write(bcm, 0x0814, + bcm43xx_phy_read(bcm, 0x0814) | 0x0004); + bcm43xx_phy_write(bcm, 0x0815, + bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB); + bcm43xx_phy_write(bcm, 0x0003, + (bcm43xx_phy_read(bcm, 0x0003) + & 0xFF9F) | 0x0040); + if (radio->version == 0x2050 && radio->revision == 2) { + bcm43xx_radio_write16(bcm, 0x0052, 0x0000); + bcm43xx_radio_write16(bcm, 0x0043, + (bcm43xx_radio_read16(bcm, 0x0043) + & 0xFFF0) | 0x0009); + loop1_cnt = 9; + } else if (radio->revision == 8) { + bcm43xx_radio_write16(bcm, 0x0043, 0x000F); + loop1_cnt = 15; + } else + loop1_cnt = 0; + + bcm43xx_phy_set_baseband_attenuation(bcm, 11); + + if (phy->rev >= 3) + bcm43xx_phy_write(bcm, 0x080F, 0xC020); + else + bcm43xx_phy_write(bcm, 0x080F, 0x8020); + bcm43xx_phy_write(bcm, 0x0810, 0x0000); + + bcm43xx_phy_write(bcm, 0x002B, + (bcm43xx_phy_read(bcm, 0x002B) + & 0xFFC0) | 0x0001); + bcm43xx_phy_write(bcm, 0x002B, + (bcm43xx_phy_read(bcm, 0x002B) + & 0xC0FF) | 0x0800); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x0100); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) & 0xCFFF); + if (bcm->sprom.boardflags & BCM43xx_BFL_EXTLNA) { + if (phy->rev >= 7) { + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) + | 0x0800); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) + | 0x8000); + } + } + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) + & 0x00F7); + + for (i = 0; i < loop1_cnt; i++) { + bcm43xx_radio_write16(bcm, 0x0043, loop1_cnt); + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) + & 0xF0FF) | (i << 8)); + bcm43xx_phy_write(bcm, 0x0015, + (bcm43xx_phy_read(bcm, 0x0015) + & 0x0FFF) | 0xA000); + bcm43xx_phy_write(bcm, 0x0015, + (bcm43xx_phy_read(bcm, 0x0015) + & 0x0FFF) | 0xF000); + udelay(20); + if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC) + break; + } + loop1_done = i; + loop1_omitted = loop1_cnt - loop1_done; + + loop2_done = 0; + if (loop1_done >= 8) { + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) + | 0x0030); + for (i = loop1_done - 8; i < 16; i++) { + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) + & 0xF0FF) | (i << 8)); + bcm43xx_phy_write(bcm, 0x0015, + (bcm43xx_phy_read(bcm, 0x0015) + & 0x0FFF) | 0xA000); + bcm43xx_phy_write(bcm, 0x0015, + (bcm43xx_phy_read(bcm, 0x0015) + & 0x0FFF) | 0xF000); + udelay(20); + if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC) + break; + } + } + + bcm43xx_phy_write(bcm, 0x0814, backup_phy[4]); + bcm43xx_phy_write(bcm, 0x0815, backup_phy[5]); + bcm43xx_phy_write(bcm, 0x005A, backup_phy[6]); + bcm43xx_phy_write(bcm, 0x0059, backup_phy[7]); + bcm43xx_phy_write(bcm, 0x0058, backup_phy[8]); + bcm43xx_phy_write(bcm, 0x000A, backup_phy[9]); + bcm43xx_phy_write(bcm, 0x0003, backup_phy[10]); + bcm43xx_phy_write(bcm, 0x080F, backup_phy[11]); + bcm43xx_phy_write(bcm, 0x0810, backup_phy[12]); + bcm43xx_phy_write(bcm, 0x002B, backup_phy[13]); + bcm43xx_phy_write(bcm, 0x0015, backup_phy[14]); + + bcm43xx_phy_set_baseband_attenuation(bcm, backup_bband); + + bcm43xx_radio_write16(bcm, 0x0052, backup_radio[0]); + bcm43xx_radio_write16(bcm, 0x0043, backup_radio[1]); + bcm43xx_radio_write16(bcm, 0x007A, backup_radio[2]); + + bcm43xx_phy_write(bcm, 0x0811, backup_phy[2] | 0x0003); + udelay(10); + bcm43xx_phy_write(bcm, 0x0811, backup_phy[2]); + bcm43xx_phy_write(bcm, 0x0812, backup_phy[3]); + bcm43xx_phy_write(bcm, 0x0429, backup_phy[0]); + bcm43xx_phy_write(bcm, 0x0001, backup_phy[1]); + + phy->loopback_gain[0] = ((loop1_done * 6) - (loop1_omitted * 4)) - 11; + phy->loopback_gain[1] = (24 - (3 * loop2_done)) * 2; +} + +static void bcm43xx_phy_initg(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 tmp; + + if (phy->rev == 1) + bcm43xx_phy_initb5(bcm); + else if (phy->rev >= 2 && phy->rev <= 7) + bcm43xx_phy_initb6(bcm); + if (phy->rev >= 2 || phy->connected) + bcm43xx_phy_inita(bcm); + + if (phy->rev >= 2) { + bcm43xx_phy_write(bcm, 0x0814, 0x0000); + bcm43xx_phy_write(bcm, 0x0815, 0x0000); + if (phy->rev == 2) + bcm43xx_phy_write(bcm, 0x0811, 0x0000); + else if (phy->rev >= 3) + bcm43xx_phy_write(bcm, 0x0811, 0x0400); + bcm43xx_phy_write(bcm, 0x0015, 0x00C0); + if (phy->connected) { + tmp = bcm43xx_phy_read(bcm, 0x0400) & 0xFF; + if (tmp < 6) { + bcm43xx_phy_write(bcm, 0x04C2, 0x1816); + bcm43xx_phy_write(bcm, 0x04C3, 0x8006); + if (tmp != 3) { + bcm43xx_phy_write(bcm, 0x04CC, + (bcm43xx_phy_read(bcm, 0x04CC) + & 0x00FF) | 0x1F00); + } + } + } + } + if (phy->rev < 3 && phy->connected) + bcm43xx_phy_write(bcm, 0x047E, 0x0078); + if (phy->rev >= 6 && phy->rev <= 8) { + bcm43xx_phy_write(bcm, 0x0801, bcm43xx_phy_read(bcm, 0x0801) | 0x0080); + bcm43xx_phy_write(bcm, 0x043E, bcm43xx_phy_read(bcm, 0x043E) | 0x0004); + } + if (phy->rev >= 2 && phy->connected) + bcm43xx_calc_loopback_gain(bcm); + if (radio->revision != 8) { + if (radio->initval == 0xFFFF) + radio->initval = bcm43xx_radio_init2050(bcm); + else + bcm43xx_radio_write16(bcm, 0x0078, radio->initval); + } + if (radio->txctl2 == 0xFFFF) { + bcm43xx_phy_lo_g_measure(bcm); + } else { + if (radio->version == 0x2050 && radio->revision == 8) { + //FIXME + } else { + bcm43xx_radio_write16(bcm, 0x0052, + (bcm43xx_radio_read16(bcm, 0x0052) + & 0xFFF0) | radio->txctl1); + } + if (phy->rev >= 6) { + /* + bcm43xx_phy_write(bcm, 0x0036, + (bcm43xx_phy_read(bcm, 0x0036) + & 0xF000) | (FIXME << 12)); + */ + } + if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) + bcm43xx_phy_write(bcm, 0x002E, 0x8075); + else + bcm43xx_phy_write(bcm, 0x003E, 0x807F); + if (phy->rev < 2) + bcm43xx_phy_write(bcm, 0x002F, 0x0101); + else + bcm43xx_phy_write(bcm, 0x002F, 0x0202); + } + if (phy->connected) { + bcm43xx_phy_lo_adjust(bcm, 0); + bcm43xx_phy_write(bcm, 0x080F, 0x8078); + } + + if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) { + /* The specs state to update the NRSSI LT with + * the value 0x7FFFFFFF here. I think that is some weird + * compiler optimization in the original driver. + * Essentially, what we do here is resetting all NRSSI LT + * entries to -32 (see the limit_value() in nrssi_hw_update()) + */ + bcm43xx_nrssi_hw_update(bcm, 0xFFFF); + bcm43xx_calc_nrssi_threshold(bcm); + } else if (phy->connected) { + if (radio->nrssi[0] == -1000) { + assert(radio->nrssi[1] == -1000); + bcm43xx_calc_nrssi_slope(bcm); + } else { + assert(radio->nrssi[1] != -1000); + bcm43xx_calc_nrssi_threshold(bcm); + } + } + if (radio->revision == 8) + bcm43xx_phy_write(bcm, 0x0805, 0x3230); + bcm43xx_phy_init_pctl(bcm); + if (bcm->chip_id == 0x4306 && bcm->chip_package != 2) { + bcm43xx_phy_write(bcm, 0x0429, + bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF); + bcm43xx_phy_write(bcm, 0x04C3, + bcm43xx_phy_read(bcm, 0x04C3) & 0x7FFF); + } +} + +static u16 bcm43xx_phy_lo_b_r15_loop(struct bcm43xx_private *bcm) +{ + int i; + u16 ret = 0; + + for (i = 0; i < 10; i++){ + bcm43xx_phy_write(bcm, 0x0015, 0xAFA0); + udelay(1); + bcm43xx_phy_write(bcm, 0x0015, 0xEFA0); + udelay(10); + bcm43xx_phy_write(bcm, 0x0015, 0xFFA0); + udelay(40); + ret += bcm43xx_phy_read(bcm, 0x002C); + } + + return ret; +} + +void bcm43xx_phy_lo_b_measure(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 regstack[12] = { 0 }; + u16 mls; + u16 fval; + int i, j; + + regstack[0] = bcm43xx_phy_read(bcm, 0x0015); + regstack[1] = bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0; + + if (radio->version == 0x2053) { + regstack[2] = bcm43xx_phy_read(bcm, 0x000A); + regstack[3] = bcm43xx_phy_read(bcm, 0x002A); + regstack[4] = bcm43xx_phy_read(bcm, 0x0035); + regstack[5] = bcm43xx_phy_read(bcm, 0x0003); + regstack[6] = bcm43xx_phy_read(bcm, 0x0001); + regstack[7] = bcm43xx_phy_read(bcm, 0x0030); + + regstack[8] = bcm43xx_radio_read16(bcm, 0x0043); + regstack[9] = bcm43xx_radio_read16(bcm, 0x007A); + regstack[10] = bcm43xx_read16(bcm, 0x03EC); + regstack[11] = bcm43xx_radio_read16(bcm, 0x0052) & 0x00F0; + + bcm43xx_phy_write(bcm, 0x0030, 0x00FF); + bcm43xx_write16(bcm, 0x03EC, 0x3F3F); + bcm43xx_phy_write(bcm, 0x0035, regstack[4] & 0xFF7F); + bcm43xx_radio_write16(bcm, 0x007A, regstack[9] & 0xFFF0); + } + bcm43xx_phy_write(bcm, 0x0015, 0xB000); + bcm43xx_phy_write(bcm, 0x002B, 0x0004); + + if (radio->version == 0x2053) { + bcm43xx_phy_write(bcm, 0x002B, 0x0203); + bcm43xx_phy_write(bcm, 0x002A, 0x08A3); + } + + phy->minlowsig[0] = 0xFFFF; + + for (i = 0; i < 4; i++) { + bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i); + bcm43xx_phy_lo_b_r15_loop(bcm); + } + for (i = 0; i < 10; i++) { + bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i); + mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10; + if (mls < phy->minlowsig[0]) { + phy->minlowsig[0] = mls; + phy->minlowsigpos[0] = i; + } + } + bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | phy->minlowsigpos[0]); + + phy->minlowsig[1] = 0xFFFF; + + for (i = -4; i < 5; i += 2) { + for (j = -4; j < 5; j += 2) { + if (j < 0) + fval = (0x0100 * i) + j + 0x0100; + else + fval = (0x0100 * i) + j; + bcm43xx_phy_write(bcm, 0x002F, fval); + mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10; + if (mls < phy->minlowsig[1]) { + phy->minlowsig[1] = mls; + phy->minlowsigpos[1] = fval; + } + } + } + phy->minlowsigpos[1] += 0x0101; + + bcm43xx_phy_write(bcm, 0x002F, phy->minlowsigpos[1]); + if (radio->version == 0x2053) { + bcm43xx_phy_write(bcm, 0x000A, regstack[2]); + bcm43xx_phy_write(bcm, 0x002A, regstack[3]); + bcm43xx_phy_write(bcm, 0x0035, regstack[4]); + bcm43xx_phy_write(bcm, 0x0003, regstack[5]); + bcm43xx_phy_write(bcm, 0x0001, regstack[6]); + bcm43xx_phy_write(bcm, 0x0030, regstack[7]); + + bcm43xx_radio_write16(bcm, 0x0043, regstack[8]); + bcm43xx_radio_write16(bcm, 0x007A, regstack[9]); + + bcm43xx_radio_write16(bcm, 0x0052, + (bcm43xx_radio_read16(bcm, 0x0052) & 0x000F) + | regstack[11]); + + bcm43xx_write16(bcm, 0x03EC, regstack[10]); + } + bcm43xx_phy_write(bcm, 0x0015, regstack[0]); +} + +static inline +u16 bcm43xx_phy_lo_g_deviation_subval(struct bcm43xx_private *bcm, u16 control) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + + if (phy->connected) { + bcm43xx_phy_write(bcm, 0x15, 0xE300); + control <<= 8; + bcm43xx_phy_write(bcm, 0x0812, control | 0x00B0); + udelay(5); + bcm43xx_phy_write(bcm, 0x0812, control | 0x00B2); + udelay(2); + bcm43xx_phy_write(bcm, 0x0812, control | 0x00B3); + udelay(4); + bcm43xx_phy_write(bcm, 0x0015, 0xF300); + udelay(8); + } else { + bcm43xx_phy_write(bcm, 0x0015, control | 0xEFA0); + udelay(2); + bcm43xx_phy_write(bcm, 0x0015, control | 0xEFE0); + udelay(4); + bcm43xx_phy_write(bcm, 0x0015, control | 0xFFE0); + udelay(8); + } + + return bcm43xx_phy_read(bcm, 0x002D); +} + +static u32 bcm43xx_phy_lo_g_singledeviation(struct bcm43xx_private *bcm, u16 control) +{ + int i; + u32 ret = 0; + + for (i = 0; i < 8; i++) + ret += bcm43xx_phy_lo_g_deviation_subval(bcm, control); + + return ret; +} + +/* Write the LocalOscillator CONTROL */ +static inline +void bcm43xx_lo_write(struct bcm43xx_private *bcm, + struct bcm43xx_lopair *pair) +{ + u16 value; + + value = (u8)(pair->low); + value |= ((u8)(pair->high)) << 8; + +#ifdef CONFIG_BCM43XX_DEBUG + /* Sanity check. */ + if (pair->low < -8 || pair->low > 8 || + pair->high < -8 || pair->high > 8) { + printk(KERN_WARNING PFX + "WARNING: Writing invalid LOpair " + "(low: %d, high: %d, index: %lu)\n", + pair->low, pair->high, + (unsigned long)(pair - bcm43xx_current_phy(bcm)->_lo_pairs)); + dump_stack(); + } +#endif + + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, value); +} + +static inline +struct bcm43xx_lopair * bcm43xx_find_lopair(struct bcm43xx_private *bcm, + u16 baseband_attenuation, + u16 radio_attenuation, + u16 tx) +{ + static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 }; + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + + if (baseband_attenuation > 6) + baseband_attenuation = 6; + assert(radio_attenuation < 10); + + if (tx == 3) { + return bcm43xx_get_lopair(phy, + radio_attenuation, + baseband_attenuation); + } + return bcm43xx_get_lopair(phy, dict[radio_attenuation], baseband_attenuation); +} + +static inline +struct bcm43xx_lopair * bcm43xx_current_lopair(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + + return bcm43xx_find_lopair(bcm, + radio->baseband_atten, + radio->radio_atten, + radio->txctl1); +} + +/* Adjust B/G LO */ +void bcm43xx_phy_lo_adjust(struct bcm43xx_private *bcm, int fixed) +{ + struct bcm43xx_lopair *pair; + + if (fixed) { + /* Use fixed values. Only for initialization. */ + pair = bcm43xx_find_lopair(bcm, 2, 3, 0); + } else + pair = bcm43xx_current_lopair(bcm); + bcm43xx_lo_write(bcm, pair); +} + +static void bcm43xx_phy_lo_g_measure_txctl2(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 txctl2 = 0, i; + u32 smallest, tmp; + + bcm43xx_radio_write16(bcm, 0x0052, 0x0000); + udelay(10); + smallest = bcm43xx_phy_lo_g_singledeviation(bcm, 0); + for (i = 0; i < 16; i++) { + bcm43xx_radio_write16(bcm, 0x0052, i); + udelay(10); + tmp = bcm43xx_phy_lo_g_singledeviation(bcm, 0); + if (tmp < smallest) { + smallest = tmp; + txctl2 = i; + } + } + radio->txctl2 = txctl2; +} + +static +void bcm43xx_phy_lo_g_state(struct bcm43xx_private *bcm, + const struct bcm43xx_lopair *in_pair, + struct bcm43xx_lopair *out_pair, + u16 r27) +{ + static const struct bcm43xx_lopair transitions[8] = { + { .high = 1, .low = 1, }, + { .high = 1, .low = 0, }, + { .high = 1, .low = -1, }, + { .high = 0, .low = -1, }, + { .high = -1, .low = -1, }, + { .high = -1, .low = 0, }, + { .high = -1, .low = 1, }, + { .high = 0, .low = 1, }, + }; + struct bcm43xx_lopair lowest_transition = { + .high = in_pair->high, + .low = in_pair->low, + }; + struct bcm43xx_lopair tmp_pair; + struct bcm43xx_lopair transition; + int i = 12; + int state = 0; + int found_lower; + int j, begin, end; + u32 lowest_deviation; + u32 tmp; + + /* Note that in_pair and out_pair can point to the same pair. Be careful. */ + + bcm43xx_lo_write(bcm, &lowest_transition); + lowest_deviation = bcm43xx_phy_lo_g_singledeviation(bcm, r27); + do { + found_lower = 0; + assert(state >= 0 && state <= 8); + if (state == 0) { + begin = 1; + end = 8; + } else if (state % 2 == 0) { + begin = state - 1; + end = state + 1; + } else { + begin = state - 2; + end = state + 2; + } + if (begin < 1) + begin += 8; + if (end > 8) + end -= 8; + + j = begin; + tmp_pair.high = lowest_transition.high; + tmp_pair.low = lowest_transition.low; + while (1) { + assert(j >= 1 && j <= 8); + transition.high = tmp_pair.high + transitions[j - 1].high; + transition.low = tmp_pair.low + transitions[j - 1].low; + if ((abs(transition.low) < 9) && (abs(transition.high) < 9)) { + bcm43xx_lo_write(bcm, &transition); + tmp = bcm43xx_phy_lo_g_singledeviation(bcm, r27); + if (tmp < lowest_deviation) { + lowest_deviation = tmp; + state = j; + found_lower = 1; + + lowest_transition.high = transition.high; + lowest_transition.low = transition.low; + } + } + if (j == end) + break; + if (j == 8) + j = 1; + else + j++; + } + } while (i-- && found_lower); + + out_pair->high = lowest_transition.high; + out_pair->low = lowest_transition.low; +} + +/* Set the baseband attenuation value on chip. */ +void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_private *bcm, + u16 baseband_attenuation) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 value; + + if (phy->version == 0) { + value = (bcm43xx_read16(bcm, 0x03E6) & 0xFFF0); + value |= (baseband_attenuation & 0x000F); + bcm43xx_write16(bcm, 0x03E6, value); + return; + } + + if (phy->version > 1) { + value = bcm43xx_phy_read(bcm, 0x0060) & ~0x003C; + value |= (baseband_attenuation << 2) & 0x003C; + } else { + value = bcm43xx_phy_read(bcm, 0x0060) & ~0x0078; + value |= (baseband_attenuation << 3) & 0x0078; + } + bcm43xx_phy_write(bcm, 0x0060, value); +} + +/* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */ +void bcm43xx_phy_lo_g_measure(struct bcm43xx_private *bcm) +{ + static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 }; + const int is_initializing = bcm43xx_is_initializing(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 h, i, oldi = 0, j; + struct bcm43xx_lopair control; + struct bcm43xx_lopair *tmp_control; + u16 tmp; + u16 regstack[16] = { 0 }; + u8 oldchannel; + + //XXX: What are these? + u8 r27 = 0, r31; + + oldchannel = radio->channel; + /* Setup */ + if (phy->connected) { + regstack[0] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS); + regstack[1] = bcm43xx_phy_read(bcm, 0x0802); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF); + bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC); + } + regstack[3] = bcm43xx_read16(bcm, 0x03E2); + bcm43xx_write16(bcm, 0x03E2, regstack[3] | 0x8000); + regstack[4] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); + regstack[5] = bcm43xx_phy_read(bcm, 0x15); + regstack[6] = bcm43xx_phy_read(bcm, 0x2A); + regstack[7] = bcm43xx_phy_read(bcm, 0x35); + regstack[8] = bcm43xx_phy_read(bcm, 0x60); + regstack[9] = bcm43xx_radio_read16(bcm, 0x43); + regstack[10] = bcm43xx_radio_read16(bcm, 0x7A); + regstack[11] = bcm43xx_radio_read16(bcm, 0x52); + if (phy->connected) { + regstack[12] = bcm43xx_phy_read(bcm, 0x0811); + regstack[13] = bcm43xx_phy_read(bcm, 0x0812); + regstack[14] = bcm43xx_phy_read(bcm, 0x0814); + regstack[15] = bcm43xx_phy_read(bcm, 0x0815); + } + bcm43xx_radio_selectchannel(bcm, 6, 0); + if (phy->connected) { + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF); + bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC); + bcm43xx_dummy_transmission(bcm); + } + bcm43xx_radio_write16(bcm, 0x0043, 0x0006); + + bcm43xx_phy_set_baseband_attenuation(bcm, 2); + + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x0000); + bcm43xx_phy_write(bcm, 0x002E, 0x007F); + bcm43xx_phy_write(bcm, 0x080F, 0x0078); + bcm43xx_phy_write(bcm, 0x0035, regstack[7] & ~(1 << 7)); + bcm43xx_radio_write16(bcm, 0x007A, regstack[10] & 0xFFF0); + bcm43xx_phy_write(bcm, 0x002B, 0x0203); + bcm43xx_phy_write(bcm, 0x002A, 0x08A3); + if (phy->connected) { + bcm43xx_phy_write(bcm, 0x0814, regstack[14] | 0x0003); + bcm43xx_phy_write(bcm, 0x0815, regstack[15] & 0xFFFC); + bcm43xx_phy_write(bcm, 0x0811, 0x01B3); + bcm43xx_phy_write(bcm, 0x0812, 0x00B2); + } + if (is_initializing) + bcm43xx_phy_lo_g_measure_txctl2(bcm); + bcm43xx_phy_write(bcm, 0x080F, 0x8078); + + /* Measure */ + control.low = 0; + control.high = 0; + for (h = 0; h < 10; h++) { + /* Loop over each possible RadioAttenuation (0-9) */ + i = pairorder[h]; + if (is_initializing) { + if (i == 3) { + control.low = 0; + control.high = 0; + } else if (((i % 2 == 1) && (oldi % 2 == 1)) || + ((i % 2 == 0) && (oldi % 2 == 0))) { + tmp_control = bcm43xx_get_lopair(phy, oldi, 0); + memcpy(&control, tmp_control, sizeof(control)); + } else { + tmp_control = bcm43xx_get_lopair(phy, 3, 0); + memcpy(&control, tmp_control, sizeof(control)); + } + } + /* Loop over each possible BasebandAttenuation/2 */ + for (j = 0; j < 4; j++) { + if (is_initializing) { + tmp = i * 2 + j; + r27 = 0; + r31 = 0; + if (tmp > 14) { + r31 = 1; + if (tmp > 17) + r27 = 1; + if (tmp > 19) + r27 = 2; + } + } else { + tmp_control = bcm43xx_get_lopair(phy, i, j * 2); + if (!tmp_control->used) + continue; + memcpy(&control, tmp_control, sizeof(control)); + r27 = 3; + r31 = 0; + } + bcm43xx_radio_write16(bcm, 0x43, i); + bcm43xx_radio_write16(bcm, 0x52, radio->txctl2); + udelay(10); + + bcm43xx_phy_set_baseband_attenuation(bcm, j * 2); + + tmp = (regstack[10] & 0xFFF0); + if (r31) + tmp |= 0x0008; + bcm43xx_radio_write16(bcm, 0x007A, tmp); + + tmp_control = bcm43xx_get_lopair(phy, i, j * 2); + bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27); + } + oldi = i; + } + /* Loop over each possible RadioAttenuation (10-13) */ + for (i = 10; i < 14; i++) { + /* Loop over each possible BasebandAttenuation/2 */ + for (j = 0; j < 4; j++) { + if (is_initializing) { + tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2); + memcpy(&control, tmp_control, sizeof(control)); + tmp = (i - 9) * 2 + j - 5;//FIXME: This is wrong, as the following if statement can never trigger. + r27 = 0; + r31 = 0; + if (tmp > 14) { + r31 = 1; + if (tmp > 17) + r27 = 1; + if (tmp > 19) + r27 = 2; + } + } else { + tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2); + if (!tmp_control->used) + continue; + memcpy(&control, tmp_control, sizeof(control)); + r27 = 3; + r31 = 0; + } + bcm43xx_radio_write16(bcm, 0x43, i - 9); + bcm43xx_radio_write16(bcm, 0x52, + radio->txctl2 + | (3/*txctl1*/ << 4));//FIXME: shouldn't txctl1 be zero here and 3 in the loop above? + udelay(10); + + bcm43xx_phy_set_baseband_attenuation(bcm, j * 2); + + tmp = (regstack[10] & 0xFFF0); + if (r31) + tmp |= 0x0008; + bcm43xx_radio_write16(bcm, 0x7A, tmp); + + tmp_control = bcm43xx_get_lopair(phy, i, j * 2); + bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27); + } + } + + /* Restoration */ + if (phy->connected) { + bcm43xx_phy_write(bcm, 0x0015, 0xE300); + bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA0); + udelay(5); + bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA2); + udelay(2); + bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA3); + } else + bcm43xx_phy_write(bcm, 0x0015, r27 | 0xEFA0); + bcm43xx_phy_lo_adjust(bcm, is_initializing); + bcm43xx_phy_write(bcm, 0x002E, 0x807F); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x002F, 0x0202); + else + bcm43xx_phy_write(bcm, 0x002F, 0x0101); + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, regstack[4]); + bcm43xx_phy_write(bcm, 0x0015, regstack[5]); + bcm43xx_phy_write(bcm, 0x002A, regstack[6]); + bcm43xx_phy_write(bcm, 0x0035, regstack[7]); + bcm43xx_phy_write(bcm, 0x0060, regstack[8]); + bcm43xx_radio_write16(bcm, 0x0043, regstack[9]); + bcm43xx_radio_write16(bcm, 0x007A, regstack[10]); + regstack[11] &= 0x00F0; + regstack[11] |= (bcm43xx_radio_read16(bcm, 0x52) & 0x000F); + bcm43xx_radio_write16(bcm, 0x52, regstack[11]); + bcm43xx_write16(bcm, 0x03E2, regstack[3]); + if (phy->connected) { + bcm43xx_phy_write(bcm, 0x0811, regstack[12]); + bcm43xx_phy_write(bcm, 0x0812, regstack[13]); + bcm43xx_phy_write(bcm, 0x0814, regstack[14]); + bcm43xx_phy_write(bcm, 0x0815, regstack[15]); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0]); + bcm43xx_phy_write(bcm, 0x0802, regstack[1]); + } + bcm43xx_radio_selectchannel(bcm, oldchannel, 1); + +#ifdef CONFIG_BCM43XX_DEBUG + { + /* Sanity check for all lopairs. */ + for (i = 0; i < BCM43xx_LO_COUNT; i++) { + tmp_control = phy->_lo_pairs + i; + if (tmp_control->low < -8 || tmp_control->low > 8 || + tmp_control->high < -8 || tmp_control->high > 8) { + printk(KERN_WARNING PFX + "WARNING: Invalid LOpair (low: %d, high: %d, index: %d)\n", + tmp_control->low, tmp_control->high, i); + } + } + } +#endif /* CONFIG_BCM43XX_DEBUG */ +} + +static +void bcm43xx_phy_lo_mark_current_used(struct bcm43xx_private *bcm) +{ + struct bcm43xx_lopair *pair; + + pair = bcm43xx_current_lopair(bcm); + pair->used = 1; +} + +void bcm43xx_phy_lo_mark_all_unused(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_lopair *pair; + int i; + + for (i = 0; i < BCM43xx_LO_COUNT; i++) { + pair = phy->_lo_pairs + i; + pair->used = 0; + } +} + +/* http://bcm-specs.sipsolutions.net/EstimatePowerOut + * This function converts a TSSI value to dBm in Q5.2 + */ +static s8 bcm43xx_phy_estimate_power_out(struct bcm43xx_private *bcm, s8 tssi) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + s8 dbm = 0; + s32 tmp; + + tmp = phy->idle_tssi; + tmp += tssi; + tmp -= phy->savedpctlreg; + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + tmp += 0x80; + tmp = limit_value(tmp, 0x00, 0xFF); + dbm = phy->tssi2dbm[tmp]; + TODO(); //TODO: There's a FIXME on the specs + break; + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: + tmp = limit_value(tmp, 0x00, 0x3F); + dbm = phy->tssi2dbm[tmp]; + break; + default: + assert(0); + } + + return dbm; +} + +/* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */ +void bcm43xx_phy_xmitpower(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + + if (phy->savedpctlreg == 0xFFFF) + return; + if ((bcm->board_type == 0x0416) && + (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM)) + return; + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: { + + TODO(); //TODO: Nothing for A PHYs yet :-/ + + break; + } + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: { + u16 tmp; + u16 txpower; + s8 v0, v1, v2, v3; + s8 average; + u8 max_pwr; + s16 desired_pwr, estimated_pwr, pwr_adjust; + s16 radio_att_delta, baseband_att_delta; + s16 radio_attenuation, baseband_attenuation; + unsigned long phylock_flags; + + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0058); + v0 = (s8)(tmp & 0x00FF); + v1 = (s8)((tmp & 0xFF00) >> 8); + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005A); + v2 = (s8)(tmp & 0x00FF); + v3 = (s8)((tmp & 0xFF00) >> 8); + tmp = 0; + + if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) { + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0070); + v0 = (s8)(tmp & 0x00FF); + v1 = (s8)((tmp & 0xFF00) >> 8); + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0072); + v2 = (s8)(tmp & 0x00FF); + v3 = (s8)((tmp & 0xFF00) >> 8); + if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) + return; + v0 = (v0 + 0x20) & 0x3F; + v1 = (v1 + 0x20) & 0x3F; + v2 = (v2 + 0x20) & 0x3F; + v3 = (v3 + 0x20) & 0x3F; + tmp = 1; + } + bcm43xx_radio_clear_tssi(bcm); + + average = (v0 + v1 + v2 + v3 + 2) / 4; + + if (tmp && (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005E) & 0x8)) + average -= 13; + + estimated_pwr = bcm43xx_phy_estimate_power_out(bcm, average); + + max_pwr = bcm->sprom.maxpower_bgphy; + + if ((bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) && + (phy->type == BCM43xx_PHYTYPE_G)) + max_pwr -= 0x3; + + /*TODO: + max_pwr = min(REG - bcm->sprom.antennagain_bgphy - 0x6, max_pwr) + where REG is the max power as per the regulatory domain + */ + + desired_pwr = limit_value(radio->txpower_desired, 0, max_pwr); + /* Check if we need to adjust the current power. */ + pwr_adjust = desired_pwr - estimated_pwr; + radio_att_delta = -(pwr_adjust + 7) >> 3; + baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta); + if ((radio_att_delta == 0) && (baseband_att_delta == 0)) { + bcm43xx_phy_lo_mark_current_used(bcm); + return; + } + + /* Calculate the new attenuation values. */ + baseband_attenuation = radio->baseband_atten; + baseband_attenuation += baseband_att_delta; + radio_attenuation = radio->radio_atten; + radio_attenuation += radio_att_delta; + + /* Get baseband and radio attenuation values into their permitted ranges. + * baseband 0-11, radio 0-9. + * Radio attenuation affects power level 4 times as much as baseband. + */ + if (radio_attenuation < 0) { + baseband_attenuation -= (4 * -radio_attenuation); + radio_attenuation = 0; + } else if (radio_attenuation > 9) { + baseband_attenuation += (4 * (radio_attenuation - 9)); + radio_attenuation = 9; + } else { + while (baseband_attenuation < 0 && radio_attenuation > 0) { + baseband_attenuation += 4; + radio_attenuation--; + } + while (baseband_attenuation > 11 && radio_attenuation < 9) { + baseband_attenuation -= 4; + radio_attenuation++; + } + } + baseband_attenuation = limit_value(baseband_attenuation, 0, 11); + + txpower = radio->txctl1; + if ((radio->version == 0x2050) && (radio->revision == 2)) { + if (radio_attenuation <= 1) { + if (txpower == 0) { + txpower = 3; + radio_attenuation += 2; + baseband_attenuation += 2; + } else if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) { + baseband_attenuation += 4 * (radio_attenuation - 2); + radio_attenuation = 2; + } + } else if (radio_attenuation > 4 && txpower != 0) { + txpower = 0; + if (baseband_attenuation < 3) { + radio_attenuation -= 3; + baseband_attenuation += 2; + } else { + radio_attenuation -= 2; + baseband_attenuation -= 2; + } + } + } + radio->txctl1 = txpower; + baseband_attenuation = limit_value(baseband_attenuation, 0, 11); + radio_attenuation = limit_value(radio_attenuation, 0, 9); + + bcm43xx_phy_lock(bcm, phylock_flags); + bcm43xx_radio_lock(bcm); + bcm43xx_radio_set_txpower_bg(bcm, baseband_attenuation, + radio_attenuation, txpower); + bcm43xx_phy_lo_mark_current_used(bcm); + bcm43xx_radio_unlock(bcm); + bcm43xx_phy_unlock(bcm, phylock_flags); + break; + } + default: + assert(0); + } +} + +static inline +s32 bcm43xx_tssi2dbm_ad(s32 num, s32 den) +{ + if (num < 0) + return num/den; + else + return (num+den/2)/den; +} + +static inline +s8 bcm43xx_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2) +{ + s32 m1, m2, f = 256, q, delta; + s8 i = 0; + + m1 = bcm43xx_tssi2dbm_ad(16 * pab0 + index * pab1, 32); + m2 = max(bcm43xx_tssi2dbm_ad(32768 + index * pab2, 256), 1); + do { + if (i > 15) + return -EINVAL; + q = bcm43xx_tssi2dbm_ad(f * 4096 - + bcm43xx_tssi2dbm_ad(m2 * f, 16) * f, 2048); + delta = abs(q - f); + f = q; + i++; + } while (delta >= 2); + entry[index] = limit_value(bcm43xx_tssi2dbm_ad(m1 * f, 8192), -127, 128); + return 0; +} + +/* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */ +int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + s16 pab0, pab1, pab2; + u8 idx; + s8 *dyn_tssi2dbm; + + if (phy->type == BCM43xx_PHYTYPE_A) { + pab0 = (s16)(bcm->sprom.pa1b0); + pab1 = (s16)(bcm->sprom.pa1b1); + pab2 = (s16)(bcm->sprom.pa1b2); + } else { + pab0 = (s16)(bcm->sprom.pa0b0); + pab1 = (s16)(bcm->sprom.pa0b1); + pab2 = (s16)(bcm->sprom.pa0b2); + } + + if ((bcm->chip_id == 0x4301) && (radio->version != 0x2050)) { + phy->idle_tssi = 0x34; + phy->tssi2dbm = bcm43xx_tssi2dbm_b_table; + return 0; + } + + if (pab0 != 0 && pab1 != 0 && pab2 != 0 && + pab0 != -1 && pab1 != -1 && pab2 != -1) { + /* The pabX values are set in SPROM. Use them. */ + if (phy->type == BCM43xx_PHYTYPE_A) { + if ((s8)bcm->sprom.idle_tssi_tgt_aphy != 0 && + (s8)bcm->sprom.idle_tssi_tgt_aphy != -1) + phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_aphy); + else + phy->idle_tssi = 62; + } else { + if ((s8)bcm->sprom.idle_tssi_tgt_bgphy != 0 && + (s8)bcm->sprom.idle_tssi_tgt_bgphy != -1) + phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_bgphy); + else + phy->idle_tssi = 62; + } + dyn_tssi2dbm = kmalloc(64, GFP_KERNEL); + if (dyn_tssi2dbm == NULL) { + printk(KERN_ERR PFX "Could not allocate memory" + "for tssi2dbm table\n"); + return -ENOMEM; + } + for (idx = 0; idx < 64; idx++) + if (bcm43xx_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, pab1, pab2)) { + phy->tssi2dbm = NULL; + printk(KERN_ERR PFX "Could not generate " + "tssi2dBm table\n"); + return -ENODEV; + } + phy->tssi2dbm = dyn_tssi2dbm; + phy->dyn_tssi_tbl = 1; + } else { + /* pabX values not set in SPROM. */ + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + /* APHY needs a generated table. */ + phy->tssi2dbm = NULL; + printk(KERN_ERR PFX "Could not generate tssi2dBm " + "table (wrong SPROM info)!\n"); + return -ENODEV; + case BCM43xx_PHYTYPE_B: + phy->idle_tssi = 0x34; + phy->tssi2dbm = bcm43xx_tssi2dbm_b_table; + break; + case BCM43xx_PHYTYPE_G: + phy->idle_tssi = 0x34; + phy->tssi2dbm = bcm43xx_tssi2dbm_g_table; + break; + } + } + + return 0; +} + +int bcm43xx_phy_init(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + int err = -ENODEV; + unsigned long flags; + + /* We do not want to be preempted while calibrating + * the hardware. + */ + local_irq_save(flags); + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + if (phy->rev == 2 || phy->rev == 3) { + bcm43xx_phy_inita(bcm); + err = 0; + } + break; + case BCM43xx_PHYTYPE_B: + switch (phy->rev) { + case 2: + bcm43xx_phy_initb2(bcm); + err = 0; + break; + case 4: + bcm43xx_phy_initb4(bcm); + err = 0; + break; + case 5: + bcm43xx_phy_initb5(bcm); + err = 0; + break; + case 6: + bcm43xx_phy_initb6(bcm); + err = 0; + break; + } + break; + case BCM43xx_PHYTYPE_G: + bcm43xx_phy_initg(bcm); + err = 0; + break; + } + local_irq_restore(flags); + if (err) + printk(KERN_WARNING PFX "Unknown PHYTYPE found!\n"); + + return err; +} + +void bcm43xx_phy_set_antenna_diversity(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 antennadiv; + u16 offset; + u16 value; + u32 ucodeflags; + + antennadiv = phy->antenna_diversity; + + if (antennadiv == 0xFFFF) + antennadiv = 3; + assert(antennadiv <= 3); + + ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET); + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET, + ucodeflags & ~BCM43xx_UCODEFLAG_AUTODIV); + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + case BCM43xx_PHYTYPE_G: + if (phy->type == BCM43xx_PHYTYPE_A) + offset = 0x0000; + else + offset = 0x0400; + + if (antennadiv == 2) + value = (3/*automatic*/ << 7); + else + value = (antennadiv << 7); + bcm43xx_phy_write(bcm, offset + 1, + (bcm43xx_phy_read(bcm, offset + 1) + & 0x7E7F) | value); + + if (antennadiv >= 2) { + if (antennadiv == 2) + value = (antennadiv << 7); + else + value = (0/*force0*/ << 7); + bcm43xx_phy_write(bcm, offset + 0x2B, + (bcm43xx_phy_read(bcm, offset + 0x2B) + & 0xFEFF) | value); + } + + if (phy->type == BCM43xx_PHYTYPE_G) { + if (antennadiv >= 2) + bcm43xx_phy_write(bcm, 0x048C, + bcm43xx_phy_read(bcm, 0x048C) + | 0x2000); + else + bcm43xx_phy_write(bcm, 0x048C, + bcm43xx_phy_read(bcm, 0x048C) + & ~0x2000); + if (phy->rev >= 2) { + bcm43xx_phy_write(bcm, 0x0461, + bcm43xx_phy_read(bcm, 0x0461) + | 0x0010); + bcm43xx_phy_write(bcm, 0x04AD, + (bcm43xx_phy_read(bcm, 0x04AD) + & 0x00FF) | 0x0015); + if (phy->rev == 2) + bcm43xx_phy_write(bcm, 0x0427, 0x0008); + else + bcm43xx_phy_write(bcm, 0x0427, + (bcm43xx_phy_read(bcm, 0x0427) + & 0x00FF) | 0x0008); + } + else if (phy->rev >= 6) + bcm43xx_phy_write(bcm, 0x049B, 0x00DC); + } else { + if (phy->rev < 3) + bcm43xx_phy_write(bcm, 0x002B, + (bcm43xx_phy_read(bcm, 0x002B) + & 0x00FF) | 0x0024); + else { + bcm43xx_phy_write(bcm, 0x0061, + bcm43xx_phy_read(bcm, 0x0061) + | 0x0010); + if (phy->rev == 3) { + bcm43xx_phy_write(bcm, 0x0093, 0x001D); + bcm43xx_phy_write(bcm, 0x0027, 0x0008); + } else { + bcm43xx_phy_write(bcm, 0x0093, 0x003A); + bcm43xx_phy_write(bcm, 0x0027, + (bcm43xx_phy_read(bcm, 0x0027) + & 0x00FF) | 0x0008); + } + } + } + break; + case BCM43xx_PHYTYPE_B: + if (bcm->current_core->rev == 2) + value = (3/*automatic*/ << 7); + else + value = (antennadiv << 7); + bcm43xx_phy_write(bcm, 0x03E2, + (bcm43xx_phy_read(bcm, 0x03E2) + & 0xFE7F) | value); + break; + default: + assert(0); + } + + if (antennadiv >= 2) { + ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET); + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET, + ucodeflags | BCM43xx_UCODEFLAG_AUTODIV); + } + + phy->antenna_diversity = antennadiv; +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.h b/drivers/net/wireless/bcm43xx/bcm43xx_phy.h new file mode 100644 index 00000000000..1f321ef42be --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_phy.h @@ -0,0 +1,74 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#ifndef BCM43xx_PHY_H_ +#define BCM43xx_PHY_H_ + +#include <linux/types.h> + +struct bcm43xx_private; + +void bcm43xx_raw_phy_lock(struct bcm43xx_private *bcm); +#define bcm43xx_phy_lock(bcm, flags) \ + do { \ + local_irq_save(flags); \ + bcm43xx_raw_phy_lock(bcm); \ + } while (0) +void bcm43xx_raw_phy_unlock(struct bcm43xx_private *bcm); +#define bcm43xx_phy_unlock(bcm, flags) \ + do { \ + bcm43xx_raw_phy_unlock(bcm); \ + local_irq_restore(flags); \ + } while (0) + +u16 bcm43xx_phy_read(struct bcm43xx_private *bcm, u16 offset); +void bcm43xx_phy_write(struct bcm43xx_private *bcm, u16 offset, u16 val); + +int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm); +int bcm43xx_phy_init(struct bcm43xx_private *bcm); + +void bcm43xx_phy_set_antenna_diversity(struct bcm43xx_private *bcm); +void bcm43xx_phy_calibrate(struct bcm43xx_private *bcm); +int bcm43xx_phy_connect(struct bcm43xx_private *bcm, int connect); + +void bcm43xx_phy_lo_b_measure(struct bcm43xx_private *bcm); +void bcm43xx_phy_lo_g_measure(struct bcm43xx_private *bcm); +void bcm43xx_phy_xmitpower(struct bcm43xx_private *bcm); + +/* Adjust the LocalOscillator to the saved values. + * "fixed" is only set to 1 once in initialization. Set to 0 otherwise. + */ +void bcm43xx_phy_lo_adjust(struct bcm43xx_private *bcm, int fixed); +void bcm43xx_phy_lo_mark_all_unused(struct bcm43xx_private *bcm); + +void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_private *bcm, + u16 baseband_attenuation); + +#endif /* BCM43xx_PHY_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.c b/drivers/net/wireless/bcm43xx/bcm43xx_pio.c new file mode 100644 index 00000000000..c59ddd40680 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_pio.c @@ -0,0 +1,606 @@ +/* + + Broadcom BCM43xx wireless driver + + PIO Transmission + + Copyright (c) 2005 Michael Buesch <mbuesch@freenet.de> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "bcm43xx.h" +#include "bcm43xx_pio.h" +#include "bcm43xx_main.h" +#include "bcm43xx_xmit.h" + +#include <linux/delay.h> + + +static void tx_start(struct bcm43xx_pioqueue *queue) +{ + bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, + BCM43xx_PIO_TXCTL_INIT); +} + +static void tx_octet(struct bcm43xx_pioqueue *queue, + u8 octet) +{ + if (queue->need_workarounds) { + bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, + octet); + bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, + BCM43xx_PIO_TXCTL_WRITEHI); + } else { + bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, + BCM43xx_PIO_TXCTL_WRITEHI); + bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, + octet); + } +} + +static u16 tx_get_next_word(struct bcm43xx_txhdr *txhdr, + const u8 *packet, + unsigned int *pos) +{ + const u8 *source; + unsigned int i = *pos; + u16 ret; + + if (i < sizeof(*txhdr)) { + source = (const u8 *)txhdr; + } else { + source = packet; + i -= sizeof(*txhdr); + } + ret = le16_to_cpu( *((u16 *)(source + i)) ); + *pos += 2; + + return ret; +} + +static void tx_data(struct bcm43xx_pioqueue *queue, + struct bcm43xx_txhdr *txhdr, + const u8 *packet, + unsigned int octets) +{ + u16 data; + unsigned int i = 0; + + if (queue->need_workarounds) { + data = tx_get_next_word(txhdr, packet, &i); + bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, data); + } + bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, + BCM43xx_PIO_TXCTL_WRITELO | + BCM43xx_PIO_TXCTL_WRITEHI); + while (i < octets - 1) { + data = tx_get_next_word(txhdr, packet, &i); + bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, data); + } + if (octets % 2) + tx_octet(queue, packet[octets - sizeof(*txhdr) - 1]); +} + +static void tx_complete(struct bcm43xx_pioqueue *queue, + struct sk_buff *skb) +{ + if (queue->need_workarounds) { + bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, + skb->data[skb->len - 1]); + bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, + BCM43xx_PIO_TXCTL_WRITEHI | + BCM43xx_PIO_TXCTL_COMPLETE); + } else { + bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, + BCM43xx_PIO_TXCTL_COMPLETE); + } +} + +static u16 generate_cookie(struct bcm43xx_pioqueue *queue, + int packetindex) +{ + u16 cookie = 0x0000; + + /* We use the upper 4 bits for the PIO + * controller ID and the lower 12 bits + * for the packet index (in the cache). + */ + switch (queue->mmio_base) { + case BCM43xx_MMIO_PIO1_BASE: + break; + case BCM43xx_MMIO_PIO2_BASE: + cookie = 0x1000; + break; + case BCM43xx_MMIO_PIO3_BASE: + cookie = 0x2000; + break; + case BCM43xx_MMIO_PIO4_BASE: + cookie = 0x3000; + break; + default: + assert(0); + } + assert(((u16)packetindex & 0xF000) == 0x0000); + cookie |= (u16)packetindex; + + return cookie; +} + +static +struct bcm43xx_pioqueue * parse_cookie(struct bcm43xx_private *bcm, + u16 cookie, + struct bcm43xx_pio_txpacket **packet) +{ + struct bcm43xx_pio *pio = bcm43xx_current_pio(bcm); + struct bcm43xx_pioqueue *queue = NULL; + int packetindex; + + switch (cookie & 0xF000) { + case 0x0000: + queue = pio->queue0; + break; + case 0x1000: + queue = pio->queue1; + break; + case 0x2000: + queue = pio->queue2; + break; + case 0x3000: + queue = pio->queue3; + break; + default: + assert(0); + } + packetindex = (cookie & 0x0FFF); + assert(packetindex >= 0 && packetindex < BCM43xx_PIO_MAXTXPACKETS); + *packet = &(queue->tx_packets_cache[packetindex]); + + return queue; +} + +static void pio_tx_write_fragment(struct bcm43xx_pioqueue *queue, + struct sk_buff *skb, + struct bcm43xx_pio_txpacket *packet) +{ + struct bcm43xx_txhdr txhdr; + unsigned int octets; + + assert(skb_shinfo(skb)->nr_frags == 0); + bcm43xx_generate_txhdr(queue->bcm, + &txhdr, skb->data, skb->len, + (packet->xmitted_frags == 0), + generate_cookie(queue, pio_txpacket_getindex(packet))); + + tx_start(queue); + octets = skb->len + sizeof(txhdr); + if (queue->need_workarounds) + octets--; + tx_data(queue, &txhdr, (u8 *)skb->data, octets); + tx_complete(queue, skb); +} + +static void free_txpacket(struct bcm43xx_pio_txpacket *packet, + int irq_context) +{ + struct bcm43xx_pioqueue *queue = packet->queue; + + ieee80211_txb_free(packet->txb); + list_move(&packet->list, &queue->txfree); + queue->nr_txfree++; + + assert(queue->tx_devq_used >= packet->xmitted_octets); + assert(queue->tx_devq_packets >= packet->xmitted_frags); + queue->tx_devq_used -= packet->xmitted_octets; + queue->tx_devq_packets -= packet->xmitted_frags; +} + +static int pio_tx_packet(struct bcm43xx_pio_txpacket *packet) +{ + struct bcm43xx_pioqueue *queue = packet->queue; + struct ieee80211_txb *txb = packet->txb; + struct sk_buff *skb; + u16 octets; + int i; + + for (i = packet->xmitted_frags; i < txb->nr_frags; i++) { + skb = txb->fragments[i]; + + octets = (u16)skb->len + sizeof(struct bcm43xx_txhdr); + assert(queue->tx_devq_size >= octets); + assert(queue->tx_devq_packets <= BCM43xx_PIO_MAXTXDEVQPACKETS); + assert(queue->tx_devq_used <= queue->tx_devq_size); + /* Check if there is sufficient free space on the device + * TX queue. If not, return and let the TX tasklet + * retry later. + */ + if (queue->tx_devq_packets == BCM43xx_PIO_MAXTXDEVQPACKETS) + return -EBUSY; + if (queue->tx_devq_used + octets > queue->tx_devq_size) + return -EBUSY; + /* Now poke the device. */ + pio_tx_write_fragment(queue, skb, packet); + + /* Account for the packet size. + * (We must not overflow the device TX queue) + */ + queue->tx_devq_packets++; + queue->tx_devq_used += octets; + + assert(packet->xmitted_frags <= packet->txb->nr_frags); + packet->xmitted_frags++; + packet->xmitted_octets += octets; + } + list_move_tail(&packet->list, &queue->txrunning); + + return 0; +} + +static void tx_tasklet(unsigned long d) +{ + struct bcm43xx_pioqueue *queue = (struct bcm43xx_pioqueue *)d; + struct bcm43xx_private *bcm = queue->bcm; + unsigned long flags; + struct bcm43xx_pio_txpacket *packet, *tmp_packet; + int err; + + bcm43xx_lock_mmio(bcm, flags); + list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) { + assert(packet->xmitted_frags < packet->txb->nr_frags); + if (packet->xmitted_frags == 0) { + int i; + struct sk_buff *skb; + + /* Check if the device queue is big + * enough for every fragment. If not, drop the + * whole packet. + */ + for (i = 0; i < packet->txb->nr_frags; i++) { + skb = packet->txb->fragments[i]; + if (unlikely(skb->len > queue->tx_devq_size)) { + dprintkl(KERN_ERR PFX "PIO TX device queue too small. " + "Dropping packet.\n"); + free_txpacket(packet, 1); + goto next_packet; + } + } + } + /* Try to transmit the packet. + * This may not completely succeed. + */ + err = pio_tx_packet(packet); + if (err) + break; + next_packet: + continue; + } + bcm43xx_unlock_mmio(bcm, flags); +} + +static void setup_txqueues(struct bcm43xx_pioqueue *queue) +{ + struct bcm43xx_pio_txpacket *packet; + int i; + + queue->nr_txfree = BCM43xx_PIO_MAXTXPACKETS; + for (i = 0; i < BCM43xx_PIO_MAXTXPACKETS; i++) { + packet = &(queue->tx_packets_cache[i]); + + packet->queue = queue; + INIT_LIST_HEAD(&packet->list); + + list_add(&packet->list, &queue->txfree); + } +} + +static +struct bcm43xx_pioqueue * bcm43xx_setup_pioqueue(struct bcm43xx_private *bcm, + u16 pio_mmio_base) +{ + struct bcm43xx_pioqueue *queue; + u32 value; + u16 qsize; + + queue = kzalloc(sizeof(*queue), GFP_KERNEL); + if (!queue) + goto out; + + queue->bcm = bcm; + queue->mmio_base = pio_mmio_base; + queue->need_workarounds = (bcm->current_core->rev < 3); + + INIT_LIST_HEAD(&queue->txfree); + INIT_LIST_HEAD(&queue->txqueue); + INIT_LIST_HEAD(&queue->txrunning); + tasklet_init(&queue->txtask, tx_tasklet, + (unsigned long)queue); + + value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + value |= BCM43xx_SBF_XFER_REG_BYTESWAP; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value); + + qsize = bcm43xx_read16(bcm, queue->mmio_base + BCM43xx_PIO_TXQBUFSIZE); + if (qsize <= BCM43xx_PIO_TXQADJUST) { + printk(KERN_ERR PFX "PIO tx device-queue too small (%u)\n", qsize); + goto err_freequeue; + } + qsize -= BCM43xx_PIO_TXQADJUST; + queue->tx_devq_size = qsize; + + setup_txqueues(queue); + +out: + return queue; + +err_freequeue: + kfree(queue); + queue = NULL; + goto out; +} + +static void cancel_transfers(struct bcm43xx_pioqueue *queue) +{ + struct bcm43xx_pio_txpacket *packet, *tmp_packet; + + netif_tx_disable(queue->bcm->net_dev); + assert(queue->bcm->shutting_down); + tasklet_disable(&queue->txtask); + + list_for_each_entry_safe(packet, tmp_packet, &queue->txrunning, list) + free_txpacket(packet, 0); + list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) + free_txpacket(packet, 0); +} + +static void bcm43xx_destroy_pioqueue(struct bcm43xx_pioqueue *queue) +{ + if (!queue) + return; + + cancel_transfers(queue); + kfree(queue); +} + +void bcm43xx_pio_free(struct bcm43xx_private *bcm) +{ + struct bcm43xx_pio *pio; + + if (!bcm43xx_using_pio(bcm)) + return; + pio = bcm43xx_current_pio(bcm); + + bcm43xx_destroy_pioqueue(pio->queue3); + pio->queue3 = NULL; + bcm43xx_destroy_pioqueue(pio->queue2); + pio->queue2 = NULL; + bcm43xx_destroy_pioqueue(pio->queue1); + pio->queue1 = NULL; + bcm43xx_destroy_pioqueue(pio->queue0); + pio->queue0 = NULL; +} + +int bcm43xx_pio_init(struct bcm43xx_private *bcm) +{ + struct bcm43xx_pio *pio = bcm43xx_current_pio(bcm); + struct bcm43xx_pioqueue *queue; + int err = -ENOMEM; + + queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO1_BASE); + if (!queue) + goto out; + pio->queue0 = queue; + + queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO2_BASE); + if (!queue) + goto err_destroy0; + pio->queue1 = queue; + + queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO3_BASE); + if (!queue) + goto err_destroy1; + pio->queue2 = queue; + + queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO4_BASE); + if (!queue) + goto err_destroy2; + pio->queue3 = queue; + + if (bcm->current_core->rev < 3) + bcm->irq_savedstate |= BCM43xx_IRQ_PIO_WORKAROUND; + + dprintk(KERN_INFO PFX "PIO initialized\n"); + err = 0; +out: + return err; + +err_destroy2: + bcm43xx_destroy_pioqueue(pio->queue2); + pio->queue2 = NULL; +err_destroy1: + bcm43xx_destroy_pioqueue(pio->queue1); + pio->queue1 = NULL; +err_destroy0: + bcm43xx_destroy_pioqueue(pio->queue0); + pio->queue0 = NULL; + goto out; +} + +int bcm43xx_pio_tx(struct bcm43xx_private *bcm, + struct ieee80211_txb *txb) +{ + struct bcm43xx_pioqueue *queue = bcm43xx_current_pio(bcm)->queue1; + struct bcm43xx_pio_txpacket *packet; + u16 tmp; + + assert(!queue->tx_suspended); + assert(!list_empty(&queue->txfree)); + + tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL); + if (tmp & BCM43xx_PIO_TXCTL_SUSPEND) + return -EBUSY; + + packet = list_entry(queue->txfree.next, struct bcm43xx_pio_txpacket, list); + packet->txb = txb; + packet->xmitted_frags = 0; + packet->xmitted_octets = 0; + list_move_tail(&packet->list, &queue->txqueue); + queue->nr_txfree--; + assert(queue->nr_txfree < BCM43xx_PIO_MAXTXPACKETS); + + /* Suspend TX, if we are out of packets in the "free" queue. */ + if (unlikely(list_empty(&queue->txfree))) { + netif_stop_queue(queue->bcm->net_dev); + queue->tx_suspended = 1; + } + + tasklet_schedule(&queue->txtask); + + return 0; +} + +void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status) +{ + struct bcm43xx_pioqueue *queue; + struct bcm43xx_pio_txpacket *packet; + + queue = parse_cookie(bcm, status->cookie, &packet); + assert(queue); +//TODO +if (!queue) +return; + free_txpacket(packet, 1); + if (unlikely(queue->tx_suspended)) { + queue->tx_suspended = 0; + netif_wake_queue(queue->bcm->net_dev); + } + /* If there are packets on the txqueue, poke the tasklet. */ + if (!list_empty(&queue->txqueue)) + tasklet_schedule(&queue->txtask); +} + +static void pio_rx_error(struct bcm43xx_pioqueue *queue, + int clear_buffers, + const char *error) +{ + int i; + + printkl("PIO RX error: %s\n", error); + bcm43xx_pio_write(queue, BCM43xx_PIO_RXCTL, + BCM43xx_PIO_RXCTL_READY); + if (clear_buffers) { + assert(queue->mmio_base == BCM43xx_MMIO_PIO1_BASE); + for (i = 0; i < 15; i++) { + /* Dummy read. */ + bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA); + } + } +} + +void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue) +{ + u16 preamble[21] = { 0 }; + struct bcm43xx_rxhdr *rxhdr; + u16 tmp, len, rxflags2; + int i, preamble_readwords; + struct sk_buff *skb; + +return; + tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXCTL); + if (!(tmp & BCM43xx_PIO_RXCTL_DATAAVAILABLE)) { + dprintkl(KERN_ERR PFX "PIO RX: No data available\n");//TODO: remove this printk. + return; + } + bcm43xx_pio_write(queue, BCM43xx_PIO_RXCTL, + BCM43xx_PIO_RXCTL_DATAAVAILABLE); + + for (i = 0; i < 10; i++) { + tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXCTL); + if (tmp & BCM43xx_PIO_RXCTL_READY) + goto data_ready; + udelay(10); + } + dprintkl(KERN_ERR PFX "PIO RX timed out\n"); + return; +data_ready: + +//FIXME: endianess in this function. + len = le16_to_cpu(bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA)); + if (unlikely(len > 0x700)) { + pio_rx_error(queue, 0, "len > 0x700"); + return; + } + if (unlikely(len == 0 && queue->mmio_base != BCM43xx_MMIO_PIO4_BASE)) { + pio_rx_error(queue, 0, "len == 0"); + return; + } + preamble[0] = cpu_to_le16(len); + if (queue->mmio_base == BCM43xx_MMIO_PIO4_BASE) + preamble_readwords = 14 / sizeof(u16); + else + preamble_readwords = 18 / sizeof(u16); + for (i = 0; i < preamble_readwords; i++) { + tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA); + preamble[i + 1] = cpu_to_be16(tmp);//FIXME? + } + rxhdr = (struct bcm43xx_rxhdr *)preamble; + rxflags2 = le16_to_cpu(rxhdr->flags2); + if (unlikely(rxflags2 & BCM43xx_RXHDR_FLAGS2_INVALIDFRAME)) { + pio_rx_error(queue, + (queue->mmio_base == BCM43xx_MMIO_PIO1_BASE), + "invalid frame"); + return; + } + if (queue->mmio_base == BCM43xx_MMIO_PIO4_BASE) { + /* We received an xmit status. */ + struct bcm43xx_hwxmitstatus *hw; + struct bcm43xx_xmitstatus stat; + + hw = (struct bcm43xx_hwxmitstatus *)(preamble + 1); + stat.cookie = le16_to_cpu(hw->cookie); + stat.flags = hw->flags; + stat.cnt1 = hw->cnt1; + stat.cnt2 = hw->cnt2; + stat.seq = le16_to_cpu(hw->seq); + stat.unknown = le16_to_cpu(hw->unknown); + + bcm43xx_debugfs_log_txstat(queue->bcm, &stat); + bcm43xx_pio_handle_xmitstatus(queue->bcm, &stat); + + return; + } + + skb = dev_alloc_skb(len); + if (unlikely(!skb)) { + pio_rx_error(queue, 1, "OOM"); + return; + } + skb_put(skb, len); + for (i = 0; i < len - 1; i += 2) { + tmp = cpu_to_be16(bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA)); + *((u16 *)(skb->data + i)) = tmp; + } + if (len % 2) { + tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA); + skb->data[len - 1] = (tmp & 0x00FF); + if (rxflags2 & BCM43xx_RXHDR_FLAGS2_TYPE2FRAME) + skb->data[0x20] = (tmp & 0xFF00) >> 8; + else + skb->data[0x1E] = (tmp & 0xFF00) >> 8; + } + bcm43xx_rx(queue->bcm, skb, rxhdr); +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.h b/drivers/net/wireless/bcm43xx/bcm43xx_pio.h new file mode 100644 index 00000000000..970627bc176 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_pio.h @@ -0,0 +1,138 @@ +#ifndef BCM43xx_PIO_H_ +#define BCM43xx_PIO_H_ + +#include "bcm43xx.h" + +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/skbuff.h> + + +#define BCM43xx_PIO_TXCTL 0x00 +#define BCM43xx_PIO_TXDATA 0x02 +#define BCM43xx_PIO_TXQBUFSIZE 0x04 +#define BCM43xx_PIO_RXCTL 0x08 +#define BCM43xx_PIO_RXDATA 0x0A + +#define BCM43xx_PIO_TXCTL_WRITEHI (1 << 0) +#define BCM43xx_PIO_TXCTL_WRITELO (1 << 1) +#define BCM43xx_PIO_TXCTL_COMPLETE (1 << 2) +#define BCM43xx_PIO_TXCTL_INIT (1 << 3) +#define BCM43xx_PIO_TXCTL_SUSPEND (1 << 7) + +#define BCM43xx_PIO_RXCTL_DATAAVAILABLE (1 << 0) +#define BCM43xx_PIO_RXCTL_READY (1 << 1) + +/* PIO constants */ +#define BCM43xx_PIO_MAXTXDEVQPACKETS 31 +#define BCM43xx_PIO_TXQADJUST 80 + +/* PIO tuning knobs */ +#define BCM43xx_PIO_MAXTXPACKETS 256 + + + +#ifdef CONFIG_BCM43XX_PIO + + +struct bcm43xx_pioqueue; +struct bcm43xx_xmitstatus; + +struct bcm43xx_pio_txpacket { + struct bcm43xx_pioqueue *queue; + struct ieee80211_txb *txb; + struct list_head list; + + u8 xmitted_frags; + u16 xmitted_octets; +}; + +#define pio_txpacket_getindex(packet) ((int)((packet) - (packet)->queue->tx_packets_cache)) + +struct bcm43xx_pioqueue { + struct bcm43xx_private *bcm; + u16 mmio_base; + + u8 tx_suspended:1, + need_workarounds:1; /* Workarounds needed for core.rev < 3 */ + + /* Adjusted size of the device internal TX buffer. */ + u16 tx_devq_size; + /* Used octets of the device internal TX buffer. */ + u16 tx_devq_used; + /* Used packet slots in the device internal TX buffer. */ + u8 tx_devq_packets; + /* Packets from the txfree list can + * be taken on incoming TX requests. + */ + struct list_head txfree; + unsigned int nr_txfree; + /* Packets on the txqueue are queued, + * but not completely written to the chip, yet. + */ + struct list_head txqueue; + /* Packets on the txrunning queue are completely + * posted to the device. We are waiting for the txstatus. + */ + struct list_head txrunning; + /* Total number or packets sent. + * (This counter can obviously wrap). + */ + unsigned int nr_tx_packets; + struct tasklet_struct txtask; + struct bcm43xx_pio_txpacket tx_packets_cache[BCM43xx_PIO_MAXTXPACKETS]; +}; + +static inline +u16 bcm43xx_pio_read(struct bcm43xx_pioqueue *queue, + u16 offset) +{ + return bcm43xx_read16(queue->bcm, queue->mmio_base + offset); +} + +static inline +void bcm43xx_pio_write(struct bcm43xx_pioqueue *queue, + u16 offset, u16 value) +{ + bcm43xx_write16(queue->bcm, queue->mmio_base + offset, value); +} + + +int bcm43xx_pio_init(struct bcm43xx_private *bcm); +void bcm43xx_pio_free(struct bcm43xx_private *bcm); + +int bcm43xx_pio_tx(struct bcm43xx_private *bcm, + struct ieee80211_txb *txb); +void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status); +void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue); + +#else /* CONFIG_BCM43XX_PIO */ + +static inline +int bcm43xx_pio_init(struct bcm43xx_private *bcm) +{ + return 0; +} +static inline +void bcm43xx_pio_free(struct bcm43xx_private *bcm) +{ +} +static inline +int bcm43xx_pio_tx(struct bcm43xx_private *bcm, + struct ieee80211_txb *txb) +{ + return 0; +} +static inline +void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm, + struct bcm43xx_xmitstatus *status) +{ +} +static inline +void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue) +{ +} + +#endif /* CONFIG_BCM43XX_PIO */ +#endif /* BCM43xx_PIO_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_power.c b/drivers/net/wireless/bcm43xx/bcm43xx_power.c new file mode 100644 index 00000000000..3c92b62807c --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_power.c @@ -0,0 +1,358 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include <linux/delay.h> + +#include "bcm43xx.h" +#include "bcm43xx_power.h" +#include "bcm43xx_main.h" + + +/* Get max/min slowclock frequency + * as described in http://bcm-specs.sipsolutions.net/PowerControl + */ +static int bcm43xx_pctl_clockfreqlimit(struct bcm43xx_private *bcm, + int get_max) +{ + int limit = 0; + int divisor; + int selection; + int err; + u32 tmp; + struct bcm43xx_coreinfo *old_core; + + if (!(bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL)) + goto out; + old_core = bcm->current_core; + err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); + if (err) + goto out; + + if (bcm->current_core->rev < 6) { + if ((bcm->bustype == BCM43xx_BUSTYPE_PCMCIA) || + (bcm->bustype == BCM43xx_BUSTYPE_SB)) { + selection = 1; + divisor = 32; + } else { + err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_OUT, &tmp); + if (err) { + printk(KERN_ERR PFX "clockfreqlimit pcicfg read failure\n"); + goto out_switchback; + } + if (tmp & 0x10) { + /* PCI */ + selection = 2; + divisor = 64; + } else { + /* XTAL */ + selection = 1; + divisor = 32; + } + } + } else if (bcm->current_core->rev < 10) { + selection = (tmp & 0x07); + if (selection) { + tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); + divisor = 4 * (1 + ((tmp & 0xFFFF0000) >> 16)); + } else + divisor = 1; + } else { + tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SYSCLKCTL); + divisor = 4 * (1 + ((tmp & 0xFFFF0000) >> 16)); + selection = 1; + } + + switch (selection) { + case 0: + /* LPO */ + if (get_max) + limit = 43000; + else + limit = 25000; + break; + case 1: + /* XTAL */ + if (get_max) + limit = 20200000; + else + limit = 19800000; + break; + case 2: + /* PCI */ + if (get_max) + limit = 34000000; + else + limit = 25000000; + break; + default: + assert(0); + } + limit /= divisor; + +out_switchback: + err = bcm43xx_switch_core(bcm, old_core); + assert(err == 0); + +out: + return limit; +} + +/* init power control + * as described in http://bcm-specs.sipsolutions.net/PowerControl + */ +int bcm43xx_pctl_init(struct bcm43xx_private *bcm) +{ + int err, maxfreq; + struct bcm43xx_coreinfo *old_core; + + if (!(bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL)) + return 0; + old_core = bcm->current_core; + err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); + if (err == -ENODEV) + return 0; + if (err) + goto out; + + maxfreq = bcm43xx_pctl_clockfreqlimit(bcm, 1); + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_PLLONDELAY, + (maxfreq * 150 + 999999) / 1000000); + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_FREFSELDELAY, + (maxfreq * 15 + 999999) / 1000000); + + err = bcm43xx_switch_core(bcm, old_core); + assert(err == 0); + +out: + return err; +} + +u16 bcm43xx_pctl_powerup_delay(struct bcm43xx_private *bcm) +{ + u16 delay = 0; + int err; + u32 pll_on_delay; + struct bcm43xx_coreinfo *old_core; + int minfreq; + + if (bcm->bustype != BCM43xx_BUSTYPE_PCI) + goto out; + if (!(bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL)) + goto out; + old_core = bcm->current_core; + err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); + if (err == -ENODEV) + goto out; + + minfreq = bcm43xx_pctl_clockfreqlimit(bcm, 0); + pll_on_delay = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_PLLONDELAY); + delay = (((pll_on_delay + 2) * 1000000) + (minfreq - 1)) / minfreq; + + err = bcm43xx_switch_core(bcm, old_core); + assert(err == 0); + +out: + return delay; +} + +/* set the powercontrol clock + * as described in http://bcm-specs.sipsolutions.net/PowerControl + */ +int bcm43xx_pctl_set_clock(struct bcm43xx_private *bcm, u16 mode) +{ + int err; + struct bcm43xx_coreinfo *old_core; + u32 tmp; + + old_core = bcm->current_core; + err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); + if (err == -ENODEV) + return 0; + if (err) + goto out; + + if (bcm->core_chipcommon.rev < 6) { + if (mode == BCM43xx_PCTL_CLK_FAST) { + err = bcm43xx_pctl_set_crystal(bcm, 1); + if (err) + goto out; + } + } else { + if ((bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL) && + (bcm->core_chipcommon.rev < 10)) { + switch (mode) { + case BCM43xx_PCTL_CLK_FAST: + tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); + tmp = (tmp & ~BCM43xx_PCTL_FORCE_SLOW) | BCM43xx_PCTL_FORCE_PLL; + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL, tmp); + break; + case BCM43xx_PCTL_CLK_SLOW: + tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); + tmp |= BCM43xx_PCTL_FORCE_SLOW; + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL, tmp); + break; + case BCM43xx_PCTL_CLK_DYNAMIC: + tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); + tmp &= ~BCM43xx_PCTL_FORCE_SLOW; + tmp |= BCM43xx_PCTL_FORCE_PLL; + tmp &= ~BCM43xx_PCTL_DYN_XTAL; + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL, tmp); + } + } + } + + err = bcm43xx_switch_core(bcm, old_core); + assert(err == 0); + +out: + return err; +} + +int bcm43xx_pctl_set_crystal(struct bcm43xx_private *bcm, int on) +{ + int err; + u32 in, out, outenable; + + err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_IN, &in); + if (err) + goto err_pci; + err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_OUT, &out); + if (err) + goto err_pci; + err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_OUTENABLE, &outenable); + if (err) + goto err_pci; + + outenable |= (BCM43xx_PCTL_XTAL_POWERUP | BCM43xx_PCTL_PLL_POWERDOWN); + + if (on) { + if (in & 0x40) + return 0; + + out |= (BCM43xx_PCTL_XTAL_POWERUP | BCM43xx_PCTL_PLL_POWERDOWN); + + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUT, out); + if (err) + goto err_pci; + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUTENABLE, outenable); + if (err) + goto err_pci; + udelay(1000); + + out &= ~BCM43xx_PCTL_PLL_POWERDOWN; + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUT, out); + if (err) + goto err_pci; + udelay(5000); + } else { + if (bcm->current_core->rev < 5) + return 0; + if (bcm->sprom.boardflags & BCM43xx_BFL_XTAL_NOSLOW) + return 0; + +/* XXX: Why BCM43xx_MMIO_RADIO_HWENABLED_xx can't be read at this time? + * err = bcm43xx_switch_core(bcm, bcm->active_80211_core); + * if (err) + * return err; + * if (((bcm->current_core->rev >= 3) && + * (bcm43xx_read32(bcm, BCM43xx_MMIO_RADIO_HWENABLED_HI) & (1 << 16))) || + * ((bcm->current_core->rev < 3) && + * !(bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_HWENABLED_LO) & (1 << 4)))) + * return 0; + * err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); + * if (err) + * return err; + */ + + err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW); + if (err) + goto out; + out &= ~BCM43xx_PCTL_XTAL_POWERUP; + out |= BCM43xx_PCTL_PLL_POWERDOWN; + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUT, out); + if (err) + goto err_pci; + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUTENABLE, outenable); + if (err) + goto err_pci; + } + +out: + return err; + +err_pci: + printk(KERN_ERR PFX "Error: pctl_set_clock() could not access PCI config space!\n"); + err = -EBUSY; + goto out; +} + +/* Set the PowerSavingControlBits. + * Bitvalues: + * 0 => unset the bit + * 1 => set the bit + * -1 => calculate the bit + */ +void bcm43xx_power_saving_ctl_bits(struct bcm43xx_private *bcm, + int bit25, int bit26) +{ + int i; + u32 status; + +//FIXME: Force 25 to off and 26 to on for now: +bit25 = 0; +bit26 = 1; + + if (bit25 == -1) { + //TODO: If powersave is not off and FIXME is not set and we are not in adhoc + // and thus is not an AP and we are associated, set bit 25 + } + if (bit26 == -1) { + //TODO: If the device is awake or this is an AP, or we are scanning, or FIXME, + // or we are associated, or FIXME, or the latest PS-Poll packet sent was + // successful, set bit26 + } + status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + if (bit25) + status |= BCM43xx_SBF_PS1; + else + status &= ~BCM43xx_SBF_PS1; + if (bit26) + status |= BCM43xx_SBF_PS2; + else + status &= ~BCM43xx_SBF_PS2; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); + if (bit26 && bcm->current_core->rev >= 5) { + for (i = 0; i < 100; i++) { + if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0040) != 4) + break; + udelay(10); + } + } +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_power.h b/drivers/net/wireless/bcm43xx/bcm43xx_power.h new file mode 100644 index 00000000000..5f63640810b --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_power.h @@ -0,0 +1,47 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#ifndef BCM43xx_POWER_H_ +#define BCM43xx_POWER_H_ + +#include <linux/types.h> + + +struct bcm43xx_private; + +int bcm43xx_pctl_init(struct bcm43xx_private *bcm); +int bcm43xx_pctl_set_clock(struct bcm43xx_private *bcm, u16 mode); +int bcm43xx_pctl_set_crystal(struct bcm43xx_private *bcm, int on); +u16 bcm43xx_pctl_powerup_delay(struct bcm43xx_private *bcm); + +void bcm43xx_power_saving_ctl_bits(struct bcm43xx_private *bcm, + int bit25, int bit26); + +#endif /* BCM43xx_POWER_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_radio.c b/drivers/net/wireless/bcm43xx/bcm43xx_radio.c new file mode 100644 index 00000000000..af5c0bff169 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_radio.c @@ -0,0 +1,2026 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include <linux/delay.h> + +#include "bcm43xx.h" +#include "bcm43xx_main.h" +#include "bcm43xx_phy.h" +#include "bcm43xx_radio.h" +#include "bcm43xx_ilt.h" + + +/* Table for bcm43xx_radio_calibrationvalue() */ +static const u16 rcc_table[16] = { + 0x0002, 0x0003, 0x0001, 0x000F, + 0x0006, 0x0007, 0x0005, 0x000F, + 0x000A, 0x000B, 0x0009, 0x000F, + 0x000E, 0x000F, 0x000D, 0x000F, +}; + +/* Reverse the bits of a 4bit value. + * Example: 1101 is flipped 1011 + */ +static u16 flip_4bit(u16 value) +{ + u16 flipped = 0x0000; + + assert((value & ~0x000F) == 0x0000); + + flipped |= (value & 0x0001) << 3; + flipped |= (value & 0x0002) << 1; + flipped |= (value & 0x0004) >> 1; + flipped |= (value & 0x0008) >> 3; + + return flipped; +} + +/* Get the freq, as it has to be written to the device. */ +static inline +u16 channel2freq_bg(u8 channel) +{ + /* Frequencies are given as frequencies_bg[index] + 2.4GHz + * Starting with channel 1 + */ + static const u16 frequencies_bg[14] = { + 12, 17, 22, 27, + 32, 37, 42, 47, + 52, 57, 62, 67, + 72, 84, + }; + + assert(channel >= 1 && channel <= 14); + + return frequencies_bg[channel - 1]; +} + +/* Get the freq, as it has to be written to the device. */ +static inline +u16 channel2freq_a(u8 channel) +{ + assert(channel <= 200); + + return (5000 + 5 * channel); +} + +void bcm43xx_radio_lock(struct bcm43xx_private *bcm) +{ + u32 status; + + status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + status |= BCM43xx_SBF_RADIOREG_LOCK; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); + mmiowb(); + udelay(10); +} + +void bcm43xx_radio_unlock(struct bcm43xx_private *bcm) +{ + u32 status; + + bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); /* dummy read */ + status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + status &= ~BCM43xx_SBF_RADIOREG_LOCK; + bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); + mmiowb(); +} + +u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + offset |= 0x0040; + break; + case BCM43xx_PHYTYPE_B: + if (radio->version == 0x2053) { + if (offset < 0x70) + offset += 0x80; + else if (offset < 0x80) + offset += 0x70; + } else if (radio->version == 0x2050) { + offset |= 0x80; + } else + assert(0); + break; + case BCM43xx_PHYTYPE_G: + offset |= 0x80; + break; + } + + bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset); + return bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW); +} + +void bcm43xx_radio_write16(struct bcm43xx_private *bcm, u16 offset, u16 val) +{ + bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset); + mmiowb(); + bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW, val); +} + +static void bcm43xx_set_all_gains(struct bcm43xx_private *bcm, + s16 first, s16 second, s16 third) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 i; + u16 start = 0x08, end = 0x18; + u16 offset = 0x0400; + u16 tmp; + + if (phy->rev <= 1) { + offset = 0x5000; + start = 0x10; + end = 0x20; + } + + for (i = 0; i < 4; i++) + bcm43xx_ilt_write(bcm, offset + i, first); + + for (i = start; i < end; i++) + bcm43xx_ilt_write(bcm, offset + i, second); + + if (third != -1) { + tmp = ((u16)third << 14) | ((u16)third << 6); + bcm43xx_phy_write(bcm, 0x04A0, + (bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | tmp); + bcm43xx_phy_write(bcm, 0x04A1, + (bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | tmp); + bcm43xx_phy_write(bcm, 0x04A2, + (bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | tmp); + } + bcm43xx_dummy_transmission(bcm); +} + +static void bcm43xx_set_original_gains(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 i, tmp; + u16 offset = 0x0400; + u16 start = 0x0008, end = 0x0018; + + if (phy->rev <= 1) { + offset = 0x5000; + start = 0x0010; + end = 0x0020; + } + + for (i = 0; i < 4; i++) { + tmp = (i & 0xFFFC); + tmp |= (i & 0x0001) << 1; + tmp |= (i & 0x0002) >> 1; + + bcm43xx_ilt_write(bcm, offset + i, tmp); + } + + for (i = start; i < end; i++) + bcm43xx_ilt_write(bcm, offset + i, i - start); + + bcm43xx_phy_write(bcm, 0x04A0, + (bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | 0x4040); + bcm43xx_phy_write(bcm, 0x04A1, + (bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | 0x4040); + bcm43xx_phy_write(bcm, 0x04A2, + (bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | 0x4000); + bcm43xx_dummy_transmission(bcm); +} + +/* Synthetic PU workaround */ +static void bcm43xx_synth_pu_workaround(struct bcm43xx_private *bcm, u8 channel) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + + if (radio->version != 0x2050 || radio->revision >= 6) { + /* We do not need the workaround. */ + return; + } + + if (channel <= 10) { + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, + channel2freq_bg(channel + 4)); + } else { + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, + channel2freq_bg(1)); + } + udelay(100); + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, + channel2freq_bg(channel)); +} + +u8 bcm43xx_radio_aci_detect(struct bcm43xx_private *bcm, u8 channel) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u8 ret = 0; + u16 saved, rssi, temp; + int i, j = 0; + + saved = bcm43xx_phy_read(bcm, 0x0403); + bcm43xx_radio_selectchannel(bcm, channel, 0); + bcm43xx_phy_write(bcm, 0x0403, (saved & 0xFFF8) | 5); + if (radio->aci_hw_rssi) + rssi = bcm43xx_phy_read(bcm, 0x048A) & 0x3F; + else + rssi = saved & 0x3F; + /* clamp temp to signed 5bit */ + if (rssi > 32) + rssi -= 64; + for (i = 0;i < 100; i++) { + temp = (bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x3F; + if (temp > 32) + temp -= 64; + if (temp < rssi) + j++; + if (j >= 20) + ret = 1; + } + bcm43xx_phy_write(bcm, 0x0403, saved); + + return ret; +} + +u8 bcm43xx_radio_aci_scan(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u8 ret[13]; + unsigned int channel = radio->channel; + unsigned int i, j, start, end; + unsigned long phylock_flags; + + if (!((phy->type == BCM43xx_PHYTYPE_G) && (phy->rev > 0))) + return 0; + + bcm43xx_phy_lock(bcm, phylock_flags); + bcm43xx_radio_lock(bcm); + bcm43xx_phy_write(bcm, 0x0802, + bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF); + bcm43xx_set_all_gains(bcm, 3, 8, 1); + + start = (channel - 5 > 0) ? channel - 5 : 1; + end = (channel + 5 < 14) ? channel + 5 : 13; + + for (i = start; i <= end; i++) { + if (abs(channel - i) > 2) + ret[i-1] = bcm43xx_radio_aci_detect(bcm, i); + } + bcm43xx_radio_selectchannel(bcm, channel, 0); + bcm43xx_phy_write(bcm, 0x0802, + (bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC) | 0x0003); + bcm43xx_phy_write(bcm, 0x0403, + bcm43xx_phy_read(bcm, 0x0403) & 0xFFF8); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000); + bcm43xx_set_original_gains(bcm); + for (i = 0; i < 13; i++) { + if (!ret[i]) + continue; + end = (i + 5 < 13) ? i + 5 : 13; + for (j = i; j < end; j++) + ret[j] = 1; + } + bcm43xx_radio_unlock(bcm); + bcm43xx_phy_unlock(bcm, phylock_flags); + + return ret[channel - 1]; +} + +/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ +void bcm43xx_nrssi_hw_write(struct bcm43xx_private *bcm, u16 offset, s16 val) +{ + bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset); + mmiowb(); + bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_DATA, (u16)val); +} + +/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ +s16 bcm43xx_nrssi_hw_read(struct bcm43xx_private *bcm, u16 offset) +{ + u16 val; + + bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset); + val = bcm43xx_phy_read(bcm, BCM43xx_PHY_NRSSILT_DATA); + + return (s16)val; +} + +/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ +void bcm43xx_nrssi_hw_update(struct bcm43xx_private *bcm, u16 val) +{ + u16 i; + s16 tmp; + + for (i = 0; i < 64; i++) { + tmp = bcm43xx_nrssi_hw_read(bcm, i); + tmp -= val; + tmp = limit_value(tmp, -32, 31); + bcm43xx_nrssi_hw_write(bcm, i, tmp); + } +} + +/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ +void bcm43xx_nrssi_mem_update(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + s16 i, delta; + s32 tmp; + + delta = 0x1F - radio->nrssi[0]; + for (i = 0; i < 64; i++) { + tmp = (i - delta) * radio->nrssislope; + tmp /= 0x10000; + tmp += 0x3A; + tmp = limit_value(tmp, 0, 0x3F); + radio->nrssi_lt[i] = tmp; + } +} + +static void bcm43xx_calc_nrssi_offset(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + u16 backup[20] = { 0 }; + s16 v47F; + u16 i; + u16 saved = 0xFFFF; + + backup[0] = bcm43xx_phy_read(bcm, 0x0001); + backup[1] = bcm43xx_phy_read(bcm, 0x0811); + backup[2] = bcm43xx_phy_read(bcm, 0x0812); + backup[3] = bcm43xx_phy_read(bcm, 0x0814); + backup[4] = bcm43xx_phy_read(bcm, 0x0815); + backup[5] = bcm43xx_phy_read(bcm, 0x005A); + backup[6] = bcm43xx_phy_read(bcm, 0x0059); + backup[7] = bcm43xx_phy_read(bcm, 0x0058); + backup[8] = bcm43xx_phy_read(bcm, 0x000A); + backup[9] = bcm43xx_phy_read(bcm, 0x0003); + backup[10] = bcm43xx_radio_read16(bcm, 0x007A); + backup[11] = bcm43xx_radio_read16(bcm, 0x0043); + + bcm43xx_phy_write(bcm, 0x0429, + bcm43xx_phy_read(bcm, 0x0429) & 0x7FFF); + bcm43xx_phy_write(bcm, 0x0001, + (bcm43xx_phy_read(bcm, 0x0001) & 0x3FFF) | 0x4000); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x000C); + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) & 0xFFF3) | 0x0004); + bcm43xx_phy_write(bcm, 0x0802, + bcm43xx_phy_read(bcm, 0x0802) & ~(0x1 | 0x2)); + if (phy->rev >= 6) { + backup[12] = bcm43xx_phy_read(bcm, 0x002E); + backup[13] = bcm43xx_phy_read(bcm, 0x002F); + backup[14] = bcm43xx_phy_read(bcm, 0x080F); + backup[15] = bcm43xx_phy_read(bcm, 0x0810); + backup[16] = bcm43xx_phy_read(bcm, 0x0801); + backup[17] = bcm43xx_phy_read(bcm, 0x0060); + backup[18] = bcm43xx_phy_read(bcm, 0x0014); + backup[19] = bcm43xx_phy_read(bcm, 0x0478); + + bcm43xx_phy_write(bcm, 0x002E, 0); + bcm43xx_phy_write(bcm, 0x002F, 0); + bcm43xx_phy_write(bcm, 0x080F, 0); + bcm43xx_phy_write(bcm, 0x0810, 0); + bcm43xx_phy_write(bcm, 0x0478, + bcm43xx_phy_read(bcm, 0x0478) | 0x0100); + bcm43xx_phy_write(bcm, 0x0801, + bcm43xx_phy_read(bcm, 0x0801) | 0x0040); + bcm43xx_phy_write(bcm, 0x0060, + bcm43xx_phy_read(bcm, 0x0060) | 0x0040); + bcm43xx_phy_write(bcm, 0x0014, + bcm43xx_phy_read(bcm, 0x0014) | 0x0200); + } + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) | 0x0070); + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); + udelay(30); + + v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); + if (v47F >= 0x20) + v47F -= 0x40; + if (v47F == 31) { + for (i = 7; i >= 4; i--) { + bcm43xx_radio_write16(bcm, 0x007B, i); + udelay(20); + v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); + if (v47F >= 0x20) + v47F -= 0x40; + if (v47F < 31 && saved == 0xFFFF) + saved = i; + } + if (saved == 0xFFFF) + saved = 4; + } else { + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); + bcm43xx_phy_write(bcm, 0x0814, + bcm43xx_phy_read(bcm, 0x0814) | 0x0001); + bcm43xx_phy_write(bcm, 0x0815, + bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x000C); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) | 0x000C); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) | 0x0030); + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) | 0x0030); + bcm43xx_phy_write(bcm, 0x005A, 0x0480); + bcm43xx_phy_write(bcm, 0x0059, 0x0810); + bcm43xx_phy_write(bcm, 0x0058, 0x000D); + if (phy->rev == 0) { + bcm43xx_phy_write(bcm, 0x0003, 0x0122); + } else { + bcm43xx_phy_write(bcm, 0x000A, + bcm43xx_phy_read(bcm, 0x000A) + | 0x2000); + } + bcm43xx_phy_write(bcm, 0x0814, + bcm43xx_phy_read(bcm, 0x0814) | 0x0004); + bcm43xx_phy_write(bcm, 0x0815, + bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB); + bcm43xx_phy_write(bcm, 0x0003, + (bcm43xx_phy_read(bcm, 0x0003) & 0xFF9F) + | 0x0040); + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) | 0x000F); + bcm43xx_set_all_gains(bcm, 3, 0, 1); + bcm43xx_radio_write16(bcm, 0x0043, + (bcm43xx_radio_read16(bcm, 0x0043) + & 0x00F0) | 0x000F); + udelay(30); + v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); + if (v47F >= 0x20) + v47F -= 0x40; + if (v47F == -32) { + for (i = 0; i < 4; i++) { + bcm43xx_radio_write16(bcm, 0x007B, i); + udelay(20); + v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); + if (v47F >= 0x20) + v47F -= 0x40; + if (v47F > -31 && saved == 0xFFFF) + saved = i; + } + if (saved == 0xFFFF) + saved = 3; + } else + saved = 0; + } + bcm43xx_radio_write16(bcm, 0x007B, saved); + + if (phy->rev >= 6) { + bcm43xx_phy_write(bcm, 0x002E, backup[12]); + bcm43xx_phy_write(bcm, 0x002F, backup[13]); + bcm43xx_phy_write(bcm, 0x080F, backup[14]); + bcm43xx_phy_write(bcm, 0x0810, backup[15]); + } + bcm43xx_phy_write(bcm, 0x0814, backup[3]); + bcm43xx_phy_write(bcm, 0x0815, backup[4]); + bcm43xx_phy_write(bcm, 0x005A, backup[5]); + bcm43xx_phy_write(bcm, 0x0059, backup[6]); + bcm43xx_phy_write(bcm, 0x0058, backup[7]); + bcm43xx_phy_write(bcm, 0x000A, backup[8]); + bcm43xx_phy_write(bcm, 0x0003, backup[9]); + bcm43xx_radio_write16(bcm, 0x0043, backup[11]); + bcm43xx_radio_write16(bcm, 0x007A, backup[10]); + bcm43xx_phy_write(bcm, 0x0802, + bcm43xx_phy_read(bcm, 0x0802) | 0x1 | 0x2); + bcm43xx_phy_write(bcm, 0x0429, + bcm43xx_phy_read(bcm, 0x0429) | 0x8000); + bcm43xx_set_original_gains(bcm); + if (phy->rev >= 6) { + bcm43xx_phy_write(bcm, 0x0801, backup[16]); + bcm43xx_phy_write(bcm, 0x0060, backup[17]); + bcm43xx_phy_write(bcm, 0x0014, backup[18]); + bcm43xx_phy_write(bcm, 0x0478, backup[19]); + } + bcm43xx_phy_write(bcm, 0x0001, backup[0]); + bcm43xx_phy_write(bcm, 0x0812, backup[2]); + bcm43xx_phy_write(bcm, 0x0811, backup[1]); +} + +void bcm43xx_calc_nrssi_slope(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 backup[18] = { 0 }; + u16 tmp; + s16 nrssi0, nrssi1; + + switch (phy->type) { + case BCM43xx_PHYTYPE_B: + backup[0] = bcm43xx_radio_read16(bcm, 0x007A); + backup[1] = bcm43xx_radio_read16(bcm, 0x0052); + backup[2] = bcm43xx_radio_read16(bcm, 0x0043); + backup[3] = bcm43xx_phy_read(bcm, 0x0030); + backup[4] = bcm43xx_phy_read(bcm, 0x0026); + backup[5] = bcm43xx_phy_read(bcm, 0x0015); + backup[6] = bcm43xx_phy_read(bcm, 0x002A); + backup[7] = bcm43xx_phy_read(bcm, 0x0020); + backup[8] = bcm43xx_phy_read(bcm, 0x005A); + backup[9] = bcm43xx_phy_read(bcm, 0x0059); + backup[10] = bcm43xx_phy_read(bcm, 0x0058); + backup[11] = bcm43xx_read16(bcm, 0x03E2); + backup[12] = bcm43xx_read16(bcm, 0x03E6); + backup[13] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); + + tmp = bcm43xx_radio_read16(bcm, 0x007A); + tmp &= (phy->rev >= 5) ? 0x007F : 0x000F; + bcm43xx_radio_write16(bcm, 0x007A, tmp); + bcm43xx_phy_write(bcm, 0x0030, 0x00FF); + bcm43xx_write16(bcm, 0x03EC, 0x7F7F); + bcm43xx_phy_write(bcm, 0x0026, 0x0000); + bcm43xx_phy_write(bcm, 0x0015, + bcm43xx_phy_read(bcm, 0x0015) | 0x0020); + bcm43xx_phy_write(bcm, 0x002A, 0x08A3); + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); + + nrssi0 = (s16)bcm43xx_phy_read(bcm, 0x0027); + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); + if (phy->rev >= 2) { + bcm43xx_write16(bcm, 0x03E6, 0x0040); + } else if (phy->rev == 0) { + bcm43xx_write16(bcm, 0x03E6, 0x0122); + } else { + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, + bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) & 0x2000); + } + bcm43xx_phy_write(bcm, 0x0020, 0x3F3F); + bcm43xx_phy_write(bcm, 0x0015, 0xF330); + bcm43xx_radio_write16(bcm, 0x005A, 0x0060); + bcm43xx_radio_write16(bcm, 0x0043, + bcm43xx_radio_read16(bcm, 0x0043) & 0x00F0); + bcm43xx_phy_write(bcm, 0x005A, 0x0480); + bcm43xx_phy_write(bcm, 0x0059, 0x0810); + bcm43xx_phy_write(bcm, 0x0058, 0x000D); + udelay(20); + + nrssi1 = (s16)bcm43xx_phy_read(bcm, 0x0027); + bcm43xx_phy_write(bcm, 0x0030, backup[3]); + bcm43xx_radio_write16(bcm, 0x007A, backup[0]); + bcm43xx_write16(bcm, 0x03E2, backup[11]); + bcm43xx_phy_write(bcm, 0x0026, backup[4]); + bcm43xx_phy_write(bcm, 0x0015, backup[5]); + bcm43xx_phy_write(bcm, 0x002A, backup[6]); + bcm43xx_synth_pu_workaround(bcm, radio->channel); + if (phy->rev != 0) + bcm43xx_write16(bcm, 0x03F4, backup[13]); + + bcm43xx_phy_write(bcm, 0x0020, backup[7]); + bcm43xx_phy_write(bcm, 0x005A, backup[8]); + bcm43xx_phy_write(bcm, 0x0059, backup[9]); + bcm43xx_phy_write(bcm, 0x0058, backup[10]); + bcm43xx_radio_write16(bcm, 0x0052, backup[1]); + bcm43xx_radio_write16(bcm, 0x0043, backup[2]); + + if (nrssi0 == nrssi1) + radio->nrssislope = 0x00010000; + else + radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1); + + if (nrssi0 <= -4) { + radio->nrssi[0] = nrssi0; + radio->nrssi[1] = nrssi1; + } + break; + case BCM43xx_PHYTYPE_G: + if (radio->revision >= 9) + return; + if (radio->revision == 8) + bcm43xx_calc_nrssi_offset(bcm); + + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF); + bcm43xx_phy_write(bcm, 0x0802, + bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC); + backup[7] = bcm43xx_read16(bcm, 0x03E2); + bcm43xx_write16(bcm, 0x03E2, + bcm43xx_read16(bcm, 0x03E2) | 0x8000); + backup[0] = bcm43xx_radio_read16(bcm, 0x007A); + backup[1] = bcm43xx_radio_read16(bcm, 0x0052); + backup[2] = bcm43xx_radio_read16(bcm, 0x0043); + backup[3] = bcm43xx_phy_read(bcm, 0x0015); + backup[4] = bcm43xx_phy_read(bcm, 0x005A); + backup[5] = bcm43xx_phy_read(bcm, 0x0059); + backup[6] = bcm43xx_phy_read(bcm, 0x0058); + backup[8] = bcm43xx_read16(bcm, 0x03E6); + backup[9] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); + if (phy->rev >= 3) { + backup[10] = bcm43xx_phy_read(bcm, 0x002E); + backup[11] = bcm43xx_phy_read(bcm, 0x002F); + backup[12] = bcm43xx_phy_read(bcm, 0x080F); + backup[13] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_LO_CONTROL); + backup[14] = bcm43xx_phy_read(bcm, 0x0801); + backup[15] = bcm43xx_phy_read(bcm, 0x0060); + backup[16] = bcm43xx_phy_read(bcm, 0x0014); + backup[17] = bcm43xx_phy_read(bcm, 0x0478); + bcm43xx_phy_write(bcm, 0x002E, 0); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, 0); + switch (phy->rev) { + case 4: case 6: case 7: + bcm43xx_phy_write(bcm, 0x0478, + bcm43xx_phy_read(bcm, 0x0478) + | 0x0100); + bcm43xx_phy_write(bcm, 0x0801, + bcm43xx_phy_read(bcm, 0x0801) + | 0x0040); + break; + case 3: case 5: + bcm43xx_phy_write(bcm, 0x0801, + bcm43xx_phy_read(bcm, 0x0801) + & 0xFFBF); + break; + } + bcm43xx_phy_write(bcm, 0x0060, + bcm43xx_phy_read(bcm, 0x0060) + | 0x0040); + bcm43xx_phy_write(bcm, 0x0014, + bcm43xx_phy_read(bcm, 0x0014) + | 0x0200); + } + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) | 0x0070); + bcm43xx_set_all_gains(bcm, 0, 8, 0); + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) & 0x00F7); + if (phy->rev >= 2) { + bcm43xx_phy_write(bcm, 0x0811, + (bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0030); + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0010); + } + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); + udelay(20); + + nrssi0 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); + if (nrssi0 >= 0x0020) + nrssi0 -= 0x0040; + + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); + if (phy->rev >= 2) { + bcm43xx_phy_write(bcm, 0x0003, + (bcm43xx_phy_read(bcm, 0x0003) + & 0xFF9F) | 0x0040); + } + + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, + bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) + | 0x2000); + bcm43xx_radio_write16(bcm, 0x007A, + bcm43xx_radio_read16(bcm, 0x007A) | 0x000F); + bcm43xx_phy_write(bcm, 0x0015, 0xF330); + if (phy->rev >= 2) { + bcm43xx_phy_write(bcm, 0x0812, + (bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0020); + bcm43xx_phy_write(bcm, 0x0811, + (bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0020); + } + + bcm43xx_set_all_gains(bcm, 3, 0, 1); + if (radio->revision == 8) { + bcm43xx_radio_write16(bcm, 0x0043, 0x001F); + } else { + tmp = bcm43xx_radio_read16(bcm, 0x0052) & 0xFF0F; + bcm43xx_radio_write16(bcm, 0x0052, tmp | 0x0060); + tmp = bcm43xx_radio_read16(bcm, 0x0043) & 0xFFF0; + bcm43xx_radio_write16(bcm, 0x0043, tmp | 0x0009); + } + bcm43xx_phy_write(bcm, 0x005A, 0x0480); + bcm43xx_phy_write(bcm, 0x0059, 0x0810); + bcm43xx_phy_write(bcm, 0x0058, 0x000D); + udelay(20); + nrssi1 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); + if (nrssi1 >= 0x0020) + nrssi1 -= 0x0040; + if (nrssi0 == nrssi1) + radio->nrssislope = 0x00010000; + else + radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1); + if (nrssi0 >= -4) { + radio->nrssi[0] = nrssi1; + radio->nrssi[1] = nrssi0; + } + if (phy->rev >= 3) { + bcm43xx_phy_write(bcm, 0x002E, backup[10]); + bcm43xx_phy_write(bcm, 0x002F, backup[11]); + bcm43xx_phy_write(bcm, 0x080F, backup[12]); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, backup[13]); + } + if (phy->rev >= 2) { + bcm43xx_phy_write(bcm, 0x0812, + bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF); + bcm43xx_phy_write(bcm, 0x0811, + bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF); + } + + bcm43xx_radio_write16(bcm, 0x007A, backup[0]); + bcm43xx_radio_write16(bcm, 0x0052, backup[1]); + bcm43xx_radio_write16(bcm, 0x0043, backup[2]); + bcm43xx_write16(bcm, 0x03E2, backup[7]); + bcm43xx_write16(bcm, 0x03E6, backup[8]); + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[9]); + bcm43xx_phy_write(bcm, 0x0015, backup[3]); + bcm43xx_phy_write(bcm, 0x005A, backup[4]); + bcm43xx_phy_write(bcm, 0x0059, backup[5]); + bcm43xx_phy_write(bcm, 0x0058, backup[6]); + bcm43xx_synth_pu_workaround(bcm, radio->channel); + bcm43xx_phy_write(bcm, 0x0802, + bcm43xx_phy_read(bcm, 0x0802) | (0x0001 | 0x0002)); + bcm43xx_set_original_gains(bcm); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000); + if (phy->rev >= 3) { + bcm43xx_phy_write(bcm, 0x0801, backup[14]); + bcm43xx_phy_write(bcm, 0x0060, backup[15]); + bcm43xx_phy_write(bcm, 0x0014, backup[16]); + bcm43xx_phy_write(bcm, 0x0478, backup[17]); + } + bcm43xx_nrssi_mem_update(bcm); + bcm43xx_calc_nrssi_threshold(bcm); + break; + default: + assert(0); + } +} + +void bcm43xx_calc_nrssi_threshold(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + s32 threshold; + s32 a, b; + s16 tmp16; + u16 tmp_u16; + + switch (phy->type) { + case BCM43xx_PHYTYPE_B: { + if (radio->version != 0x2050) + return; + if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) + return; + + if (radio->revision >= 6) { + threshold = (radio->nrssi[1] - radio->nrssi[0]) * 32; + threshold += 20 * (radio->nrssi[0] + 1); + threshold /= 40; + } else + threshold = radio->nrssi[1] - 5; + + threshold = limit_value(threshold, 0, 0x3E); + bcm43xx_phy_read(bcm, 0x0020); /* dummy read */ + bcm43xx_phy_write(bcm, 0x0020, (((u16)threshold) << 8) | 0x001C); + + if (radio->revision >= 6) { + bcm43xx_phy_write(bcm, 0x0087, 0x0E0D); + bcm43xx_phy_write(bcm, 0x0086, 0x0C0B); + bcm43xx_phy_write(bcm, 0x0085, 0x0A09); + bcm43xx_phy_write(bcm, 0x0084, 0x0808); + bcm43xx_phy_write(bcm, 0x0083, 0x0808); + bcm43xx_phy_write(bcm, 0x0082, 0x0604); + bcm43xx_phy_write(bcm, 0x0081, 0x0302); + bcm43xx_phy_write(bcm, 0x0080, 0x0100); + } + break; + } + case BCM43xx_PHYTYPE_G: + if (!phy->connected || + !(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) { + tmp16 = bcm43xx_nrssi_hw_read(bcm, 0x20); + if (tmp16 >= 0x20) + tmp16 -= 0x40; + if (tmp16 < 3) { + bcm43xx_phy_write(bcm, 0x048A, + (bcm43xx_phy_read(bcm, 0x048A) + & 0xF000) | 0x09EB); + } else { + bcm43xx_phy_write(bcm, 0x048A, + (bcm43xx_phy_read(bcm, 0x048A) + & 0xF000) | 0x0AED); + } + } else { + if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN) { + a = 0xE; + b = 0xA; + } else if (!radio->aci_wlan_automatic && radio->aci_enable) { + a = 0x13; + b = 0x12; + } else { + a = 0xE; + b = 0x11; + } + + a = a * (radio->nrssi[1] - radio->nrssi[0]); + a += (radio->nrssi[0] << 6); + if (a < 32) + a += 31; + else + a += 32; + a = a >> 6; + a = limit_value(a, -31, 31); + + b = b * (radio->nrssi[1] - radio->nrssi[0]); + b += (radio->nrssi[0] << 6); + if (b < 32) + b += 31; + else + b += 32; + b = b >> 6; + b = limit_value(b, -31, 31); + + tmp_u16 = bcm43xx_phy_read(bcm, 0x048A) & 0xF000; + tmp_u16 |= ((u32)b & 0x0000003F); + tmp_u16 |= (((u32)a & 0x0000003F) << 6); + bcm43xx_phy_write(bcm, 0x048A, tmp_u16); + } + break; + default: + assert(0); + } +} + +/* Stack implementation to save/restore values from the + * interference mitigation code. + * It is save to restore values in random order. + */ +static void _stack_save(u32 *_stackptr, size_t *stackidx, + u8 id, u16 offset, u16 value) +{ + u32 *stackptr = &(_stackptr[*stackidx]); + + assert((offset & 0xF000) == 0x0000); + assert((id & 0xF0) == 0x00); + *stackptr = offset; + *stackptr |= ((u32)id) << 12; + *stackptr |= ((u32)value) << 16; + (*stackidx)++; + assert(*stackidx < BCM43xx_INTERFSTACK_SIZE); +} + +static u16 _stack_restore(u32 *stackptr, + u8 id, u16 offset) +{ + size_t i; + + assert((offset & 0xF000) == 0x0000); + assert((id & 0xF0) == 0x00); + for (i = 0; i < BCM43xx_INTERFSTACK_SIZE; i++, stackptr++) { + if ((*stackptr & 0x00000FFF) != offset) + continue; + if (((*stackptr & 0x0000F000) >> 12) != id) + continue; + return ((*stackptr & 0xFFFF0000) >> 16); + } + assert(0); + + return 0; +} + +#define phy_stacksave(offset) \ + do { \ + _stack_save(stack, &stackidx, 0x1, (offset), \ + bcm43xx_phy_read(bcm, (offset))); \ + } while (0) +#define phy_stackrestore(offset) \ + do { \ + bcm43xx_phy_write(bcm, (offset), \ + _stack_restore(stack, 0x1, \ + (offset))); \ + } while (0) +#define radio_stacksave(offset) \ + do { \ + _stack_save(stack, &stackidx, 0x2, (offset), \ + bcm43xx_radio_read16(bcm, (offset))); \ + } while (0) +#define radio_stackrestore(offset) \ + do { \ + bcm43xx_radio_write16(bcm, (offset), \ + _stack_restore(stack, 0x2, \ + (offset))); \ + } while (0) +#define ilt_stacksave(offset) \ + do { \ + _stack_save(stack, &stackidx, 0x3, (offset), \ + bcm43xx_ilt_read(bcm, (offset))); \ + } while (0) +#define ilt_stackrestore(offset) \ + do { \ + bcm43xx_ilt_write(bcm, (offset), \ + _stack_restore(stack, 0x3, \ + (offset))); \ + } while (0) + +static void +bcm43xx_radio_interference_mitigation_enable(struct bcm43xx_private *bcm, + int mode) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 tmp, flipped; + u32 tmp32; + size_t stackidx = 0; + u32 *stack = radio->interfstack; + + switch (mode) { + case BCM43xx_RADIO_INTERFMODE_NONWLAN: + if (phy->rev != 1) { + bcm43xx_phy_write(bcm, 0x042B, + bcm43xx_phy_read(bcm, 0x042B) | 0x0800); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & ~0x4000); + break; + } + radio_stacksave(0x0078); + tmp = (bcm43xx_radio_read16(bcm, 0x0078) & 0x001E); + flipped = flip_4bit(tmp); + if (flipped < 10 && flipped >= 8) + flipped = 7; + else if (flipped >= 10) + flipped -= 3; + flipped = flip_4bit(flipped); + flipped = (flipped << 1) | 0x0020; + bcm43xx_radio_write16(bcm, 0x0078, flipped); + + bcm43xx_calc_nrssi_threshold(bcm); + + phy_stacksave(0x0406); + bcm43xx_phy_write(bcm, 0x0406, 0x7E28); + + bcm43xx_phy_write(bcm, 0x042B, + bcm43xx_phy_read(bcm, 0x042B) | 0x0800); + bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, + bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | 0x1000); + + phy_stacksave(0x04A0); + bcm43xx_phy_write(bcm, 0x04A0, + (bcm43xx_phy_read(bcm, 0x04A0) & 0xC0C0) | 0x0008); + phy_stacksave(0x04A1); + bcm43xx_phy_write(bcm, 0x04A1, + (bcm43xx_phy_read(bcm, 0x04A1) & 0xC0C0) | 0x0605); + phy_stacksave(0x04A2); + bcm43xx_phy_write(bcm, 0x04A2, + (bcm43xx_phy_read(bcm, 0x04A2) & 0xC0C0) | 0x0204); + phy_stacksave(0x04A8); + bcm43xx_phy_write(bcm, 0x04A8, + (bcm43xx_phy_read(bcm, 0x04A8) & 0xC0C0) | 0x0803); + phy_stacksave(0x04AB); + bcm43xx_phy_write(bcm, 0x04AB, + (bcm43xx_phy_read(bcm, 0x04AB) & 0xC0C0) | 0x0605); + + phy_stacksave(0x04A7); + bcm43xx_phy_write(bcm, 0x04A7, 0x0002); + phy_stacksave(0x04A3); + bcm43xx_phy_write(bcm, 0x04A3, 0x287A); + phy_stacksave(0x04A9); + bcm43xx_phy_write(bcm, 0x04A9, 0x2027); + phy_stacksave(0x0493); + bcm43xx_phy_write(bcm, 0x0493, 0x32F5); + phy_stacksave(0x04AA); + bcm43xx_phy_write(bcm, 0x04AA, 0x2027); + phy_stacksave(0x04AC); + bcm43xx_phy_write(bcm, 0x04AC, 0x32F5); + break; + case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: + if (bcm43xx_phy_read(bcm, 0x0033) & 0x0800) + break; + + radio->aci_enable = 1; + + phy_stacksave(BCM43xx_PHY_RADIO_BITFIELD); + phy_stacksave(BCM43xx_PHY_G_CRS); + if (phy->rev < 2) { + phy_stacksave(0x0406); + } else { + phy_stacksave(0x04C0); + phy_stacksave(0x04C1); + } + phy_stacksave(0x0033); + phy_stacksave(0x04A7); + phy_stacksave(0x04A3); + phy_stacksave(0x04A9); + phy_stacksave(0x04AA); + phy_stacksave(0x04AC); + phy_stacksave(0x0493); + phy_stacksave(0x04A1); + phy_stacksave(0x04A0); + phy_stacksave(0x04A2); + phy_stacksave(0x048A); + phy_stacksave(0x04A8); + phy_stacksave(0x04AB); + if (phy->rev == 2) { + phy_stacksave(0x04AD); + phy_stacksave(0x04AE); + } else if (phy->rev >= 3) { + phy_stacksave(0x04AD); + phy_stacksave(0x0415); + phy_stacksave(0x0416); + phy_stacksave(0x0417); + ilt_stacksave(0x1A00 + 0x2); + ilt_stacksave(0x1A00 + 0x3); + } + phy_stacksave(0x042B); + phy_stacksave(0x048C); + + bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, + bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) + & ~0x1000); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) + & 0xFFFC) | 0x0002); + + bcm43xx_phy_write(bcm, 0x0033, 0x0800); + bcm43xx_phy_write(bcm, 0x04A3, 0x2027); + bcm43xx_phy_write(bcm, 0x04A9, 0x1CA8); + bcm43xx_phy_write(bcm, 0x0493, 0x287A); + bcm43xx_phy_write(bcm, 0x04AA, 0x1CA8); + bcm43xx_phy_write(bcm, 0x04AC, 0x287A); + + bcm43xx_phy_write(bcm, 0x04A0, + (bcm43xx_phy_read(bcm, 0x04A0) + & 0xFFC0) | 0x001A); + bcm43xx_phy_write(bcm, 0x04A7, 0x000D); + + if (phy->rev < 2) { + bcm43xx_phy_write(bcm, 0x0406, 0xFF0D); + } else if (phy->rev == 2) { + bcm43xx_phy_write(bcm, 0x04C0, 0xFFFF); + bcm43xx_phy_write(bcm, 0x04C1, 0x00A9); + } else { + bcm43xx_phy_write(bcm, 0x04C0, 0x00C1); + bcm43xx_phy_write(bcm, 0x04C1, 0x0059); + } + + bcm43xx_phy_write(bcm, 0x04A1, + (bcm43xx_phy_read(bcm, 0x04A1) + & 0xC0FF) | 0x1800); + bcm43xx_phy_write(bcm, 0x04A1, + (bcm43xx_phy_read(bcm, 0x04A1) + & 0xFFC0) | 0x0015); + bcm43xx_phy_write(bcm, 0x04A8, + (bcm43xx_phy_read(bcm, 0x04A8) + & 0xCFFF) | 0x1000); + bcm43xx_phy_write(bcm, 0x04A8, + (bcm43xx_phy_read(bcm, 0x04A8) + & 0xF0FF) | 0x0A00); + bcm43xx_phy_write(bcm, 0x04AB, + (bcm43xx_phy_read(bcm, 0x04AB) + & 0xCFFF) | 0x1000); + bcm43xx_phy_write(bcm, 0x04AB, + (bcm43xx_phy_read(bcm, 0x04AB) + & 0xF0FF) | 0x0800); + bcm43xx_phy_write(bcm, 0x04AB, + (bcm43xx_phy_read(bcm, 0x04AB) + & 0xFFCF) | 0x0010); + bcm43xx_phy_write(bcm, 0x04AB, + (bcm43xx_phy_read(bcm, 0x04AB) + & 0xFFF0) | 0x0005); + bcm43xx_phy_write(bcm, 0x04A8, + (bcm43xx_phy_read(bcm, 0x04A8) + & 0xFFCF) | 0x0010); + bcm43xx_phy_write(bcm, 0x04A8, + (bcm43xx_phy_read(bcm, 0x04A8) + & 0xFFF0) | 0x0006); + bcm43xx_phy_write(bcm, 0x04A2, + (bcm43xx_phy_read(bcm, 0x04A2) + & 0xF0FF) | 0x0800); + bcm43xx_phy_write(bcm, 0x04A0, + (bcm43xx_phy_read(bcm, 0x04A0) + & 0xF0FF) | 0x0500); + bcm43xx_phy_write(bcm, 0x04A2, + (bcm43xx_phy_read(bcm, 0x04A2) + & 0xFFF0) | 0x000B); + + if (phy->rev >= 3) { + bcm43xx_phy_write(bcm, 0x048A, + bcm43xx_phy_read(bcm, 0x048A) + & ~0x8000); + bcm43xx_phy_write(bcm, 0x0415, + (bcm43xx_phy_read(bcm, 0x0415) + & 0x8000) | 0x36D8); + bcm43xx_phy_write(bcm, 0x0416, + (bcm43xx_phy_read(bcm, 0x0416) + & 0x8000) | 0x36D8); + bcm43xx_phy_write(bcm, 0x0417, + (bcm43xx_phy_read(bcm, 0x0417) + & 0xFE00) | 0x016D); + } else { + bcm43xx_phy_write(bcm, 0x048A, + bcm43xx_phy_read(bcm, 0x048A) + | 0x1000); + bcm43xx_phy_write(bcm, 0x048A, + (bcm43xx_phy_read(bcm, 0x048A) + & 0x9FFF) | 0x2000); + tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET); + if (!(tmp32 & 0x800)) { + tmp32 |= 0x800; + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET, + tmp32); + } + } + if (phy->rev >= 2) { + bcm43xx_phy_write(bcm, 0x042B, + bcm43xx_phy_read(bcm, 0x042B) + | 0x0800); + } + bcm43xx_phy_write(bcm, 0x048C, + (bcm43xx_phy_read(bcm, 0x048C) + & 0xF0FF) | 0x0200); + if (phy->rev == 2) { + bcm43xx_phy_write(bcm, 0x04AE, + (bcm43xx_phy_read(bcm, 0x04AE) + & 0xFF00) | 0x007F); + bcm43xx_phy_write(bcm, 0x04AD, + (bcm43xx_phy_read(bcm, 0x04AD) + & 0x00FF) | 0x1300); + } else if (phy->rev >= 6) { + bcm43xx_ilt_write(bcm, 0x1A00 + 0x3, 0x007F); + bcm43xx_ilt_write(bcm, 0x1A00 + 0x2, 0x007F); + bcm43xx_phy_write(bcm, 0x04AD, + bcm43xx_phy_read(bcm, 0x04AD) + & 0x00FF); + } + bcm43xx_calc_nrssi_slope(bcm); + break; + default: + assert(0); + } +} + +static void +bcm43xx_radio_interference_mitigation_disable(struct bcm43xx_private *bcm, + int mode) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u32 tmp32; + u32 *stack = radio->interfstack; + + switch (mode) { + case BCM43xx_RADIO_INTERFMODE_NONWLAN: + if (phy->rev != 1) { + bcm43xx_phy_write(bcm, 0x042B, + bcm43xx_phy_read(bcm, 0x042B) & ~0x0800); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000); + break; + } + phy_stackrestore(0x0078); + bcm43xx_calc_nrssi_threshold(bcm); + phy_stackrestore(0x0406); + bcm43xx_phy_write(bcm, 0x042B, + bcm43xx_phy_read(bcm, 0x042B) & ~0x0800); + if (!bcm->bad_frames_preempt) { + bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, + bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) + & ~(1 << 11)); + } + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000); + phy_stackrestore(0x04A0); + phy_stackrestore(0x04A1); + phy_stackrestore(0x04A2); + phy_stackrestore(0x04A8); + phy_stackrestore(0x04AB); + phy_stackrestore(0x04A7); + phy_stackrestore(0x04A3); + phy_stackrestore(0x04A9); + phy_stackrestore(0x0493); + phy_stackrestore(0x04AA); + phy_stackrestore(0x04AC); + break; + case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: + if (!(bcm43xx_phy_read(bcm, 0x0033) & 0x0800)) + break; + + radio->aci_enable = 0; + + phy_stackrestore(BCM43xx_PHY_RADIO_BITFIELD); + phy_stackrestore(BCM43xx_PHY_G_CRS); + phy_stackrestore(0x0033); + phy_stackrestore(0x04A3); + phy_stackrestore(0x04A9); + phy_stackrestore(0x0493); + phy_stackrestore(0x04AA); + phy_stackrestore(0x04AC); + phy_stackrestore(0x04A0); + phy_stackrestore(0x04A7); + if (phy->rev >= 2) { + phy_stackrestore(0x04C0); + phy_stackrestore(0x04C1); + } else + phy_stackrestore(0x0406); + phy_stackrestore(0x04A1); + phy_stackrestore(0x04AB); + phy_stackrestore(0x04A8); + if (phy->rev == 2) { + phy_stackrestore(0x04AD); + phy_stackrestore(0x04AE); + } else if (phy->rev >= 3) { + phy_stackrestore(0x04AD); + phy_stackrestore(0x0415); + phy_stackrestore(0x0416); + phy_stackrestore(0x0417); + ilt_stackrestore(0x1A00 + 0x2); + ilt_stackrestore(0x1A00 + 0x3); + } + phy_stackrestore(0x04A2); + phy_stackrestore(0x04A8); + phy_stackrestore(0x042B); + phy_stackrestore(0x048C); + tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET); + if (tmp32 & 0x800) { + tmp32 &= ~0x800; + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET, + tmp32); + } + bcm43xx_calc_nrssi_slope(bcm); + break; + default: + assert(0); + } +} + +#undef phy_stacksave +#undef phy_stackrestore +#undef radio_stacksave +#undef radio_stackrestore +#undef ilt_stacksave +#undef ilt_stackrestore + +int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm, + int mode) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + int currentmode; + + if ((phy->type != BCM43xx_PHYTYPE_G) || + (phy->rev == 0) || + (!phy->connected)) + return -ENODEV; + + radio->aci_wlan_automatic = 0; + switch (mode) { + case BCM43xx_RADIO_INTERFMODE_AUTOWLAN: + radio->aci_wlan_automatic = 1; + if (radio->aci_enable) + mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN; + else + mode = BCM43xx_RADIO_INTERFMODE_NONE; + break; + case BCM43xx_RADIO_INTERFMODE_NONE: + case BCM43xx_RADIO_INTERFMODE_NONWLAN: + case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: + break; + default: + return -EINVAL; + } + + currentmode = radio->interfmode; + if (currentmode == mode) + return 0; + if (currentmode != BCM43xx_RADIO_INTERFMODE_NONE) + bcm43xx_radio_interference_mitigation_disable(bcm, currentmode); + + if (mode == BCM43xx_RADIO_INTERFMODE_NONE) { + radio->aci_enable = 0; + radio->aci_hw_rssi = 0; + } else + bcm43xx_radio_interference_mitigation_enable(bcm, mode); + radio->interfmode = mode; + + return 0; +} + +u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm) +{ + u16 reg, index, ret; + + reg = bcm43xx_radio_read16(bcm, 0x0060); + index = (reg & 0x001E) >> 1; + ret = rcc_table[index] << 1; + ret |= (reg & 0x0001); + ret |= 0x0020; + + return ret; +} + +u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 backup[19] = { 0 }; + u16 ret; + u16 i, j; + u32 tmp1 = 0, tmp2 = 0; + + backup[0] = bcm43xx_radio_read16(bcm, 0x0043); + backup[14] = bcm43xx_radio_read16(bcm, 0x0051); + backup[15] = bcm43xx_radio_read16(bcm, 0x0052); + backup[1] = bcm43xx_phy_read(bcm, 0x0015); + backup[16] = bcm43xx_phy_read(bcm, 0x005A); + backup[17] = bcm43xx_phy_read(bcm, 0x0059); + backup[18] = bcm43xx_phy_read(bcm, 0x0058); + if (phy->type == BCM43xx_PHYTYPE_B) { + backup[2] = bcm43xx_phy_read(bcm, 0x0030); + backup[3] = bcm43xx_read16(bcm, 0x03EC); + bcm43xx_phy_write(bcm, 0x0030, 0x00FF); + bcm43xx_write16(bcm, 0x03EC, 0x3F3F); + } else { + if (phy->connected) { + backup[4] = bcm43xx_phy_read(bcm, 0x0811); + backup[5] = bcm43xx_phy_read(bcm, 0x0812); + backup[6] = bcm43xx_phy_read(bcm, 0x0814); + backup[7] = bcm43xx_phy_read(bcm, 0x0815); + backup[8] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS); + backup[9] = bcm43xx_phy_read(bcm, 0x0802); + bcm43xx_phy_write(bcm, 0x0814, + (bcm43xx_phy_read(bcm, 0x0814) | 0x0003)); + bcm43xx_phy_write(bcm, 0x0815, + (bcm43xx_phy_read(bcm, 0x0815) & 0xFFFC)); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, + (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF)); + bcm43xx_phy_write(bcm, 0x0802, + (bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC)); + bcm43xx_phy_write(bcm, 0x0811, 0x01B3); + bcm43xx_phy_write(bcm, 0x0812, 0x0FB2); + } + bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, + (bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_RADIO) | 0x8000)); + } + backup[10] = bcm43xx_phy_read(bcm, 0x0035); + bcm43xx_phy_write(bcm, 0x0035, + (bcm43xx_phy_read(bcm, 0x0035) & 0xFF7F)); + backup[11] = bcm43xx_read16(bcm, 0x03E6); + backup[12] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); + + // Initialization + if (phy->version == 0) { + bcm43xx_write16(bcm, 0x03E6, 0x0122); + } else { + if (phy->version >= 2) + bcm43xx_write16(bcm, 0x03E6, 0x0040); + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, + (bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) | 0x2000)); + } + + ret = bcm43xx_radio_calibrationvalue(bcm); + + if (phy->type == BCM43xx_PHYTYPE_B) + bcm43xx_radio_write16(bcm, 0x0078, 0x0003); + + bcm43xx_phy_write(bcm, 0x0015, 0xBFAF); + bcm43xx_phy_write(bcm, 0x002B, 0x1403); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x00B2); + bcm43xx_phy_write(bcm, 0x0015, 0xBFA0); + bcm43xx_radio_write16(bcm, 0x0051, + (bcm43xx_radio_read16(bcm, 0x0051) | 0x0004)); + bcm43xx_radio_write16(bcm, 0x0052, 0x0000); + bcm43xx_radio_write16(bcm, 0x0043, + bcm43xx_radio_read16(bcm, 0x0043) | 0x0009); + bcm43xx_phy_write(bcm, 0x0058, 0x0000); + + for (i = 0; i < 16; i++) { + bcm43xx_phy_write(bcm, 0x005A, 0x0480); + bcm43xx_phy_write(bcm, 0x0059, 0xC810); + bcm43xx_phy_write(bcm, 0x0058, 0x000D); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x30B2); + bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); + udelay(10); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x30B2); + bcm43xx_phy_write(bcm, 0x0015, 0xEFB0); + udelay(10); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x30B2); + bcm43xx_phy_write(bcm, 0x0015, 0xFFF0); + udelay(10); + tmp1 += bcm43xx_phy_read(bcm, 0x002D); + bcm43xx_phy_write(bcm, 0x0058, 0x0000); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x30B2); + bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); + } + + tmp1++; + tmp1 >>= 9; + udelay(10); + bcm43xx_phy_write(bcm, 0x0058, 0x0000); + + for (i = 0; i < 16; i++) { + bcm43xx_radio_write16(bcm, 0x0078, (flip_4bit(i) << 1) | 0x0020); + backup[13] = bcm43xx_radio_read16(bcm, 0x0078); + udelay(10); + for (j = 0; j < 16; j++) { + bcm43xx_phy_write(bcm, 0x005A, 0x0D80); + bcm43xx_phy_write(bcm, 0x0059, 0xC810); + bcm43xx_phy_write(bcm, 0x0058, 0x000D); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x30B2); + bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); + udelay(10); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x30B2); + bcm43xx_phy_write(bcm, 0x0015, 0xEFB0); + udelay(10); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x30B3); /* 0x30B3 is not a typo */ + bcm43xx_phy_write(bcm, 0x0015, 0xFFF0); + udelay(10); + tmp2 += bcm43xx_phy_read(bcm, 0x002D); + bcm43xx_phy_write(bcm, 0x0058, 0x0000); + if (phy->connected) + bcm43xx_phy_write(bcm, 0x0812, 0x30B2); + bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); + } + tmp2++; + tmp2 >>= 8; + if (tmp1 < tmp2) + break; + } + + /* Restore the registers */ + bcm43xx_phy_write(bcm, 0x0015, backup[1]); + bcm43xx_radio_write16(bcm, 0x0051, backup[14]); + bcm43xx_radio_write16(bcm, 0x0052, backup[15]); + bcm43xx_radio_write16(bcm, 0x0043, backup[0]); + bcm43xx_phy_write(bcm, 0x005A, backup[16]); + bcm43xx_phy_write(bcm, 0x0059, backup[17]); + bcm43xx_phy_write(bcm, 0x0058, backup[18]); + bcm43xx_write16(bcm, 0x03E6, backup[11]); + if (phy->version != 0) + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[12]); + bcm43xx_phy_write(bcm, 0x0035, backup[10]); + bcm43xx_radio_selectchannel(bcm, radio->channel, 1); + if (phy->type == BCM43xx_PHYTYPE_B) { + bcm43xx_phy_write(bcm, 0x0030, backup[2]); + bcm43xx_write16(bcm, 0x03EC, backup[3]); + } else { + bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, + (bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_RADIO) & 0x7FFF)); + if (phy->connected) { + bcm43xx_phy_write(bcm, 0x0811, backup[4]); + bcm43xx_phy_write(bcm, 0x0812, backup[5]); + bcm43xx_phy_write(bcm, 0x0814, backup[6]); + bcm43xx_phy_write(bcm, 0x0815, backup[7]); + bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, backup[8]); + bcm43xx_phy_write(bcm, 0x0802, backup[9]); + } + } + if (i >= 15) + ret = backup[13]; + + return ret; +} + +void bcm43xx_radio_init2060(struct bcm43xx_private *bcm) +{ + int err; + + bcm43xx_radio_write16(bcm, 0x0004, 0x00C0); + bcm43xx_radio_write16(bcm, 0x0005, 0x0008); + bcm43xx_radio_write16(bcm, 0x0009, 0x0040); + bcm43xx_radio_write16(bcm, 0x0005, 0x00AA); + bcm43xx_radio_write16(bcm, 0x0032, 0x008F); + bcm43xx_radio_write16(bcm, 0x0006, 0x008F); + bcm43xx_radio_write16(bcm, 0x0034, 0x008F); + bcm43xx_radio_write16(bcm, 0x002C, 0x0007); + bcm43xx_radio_write16(bcm, 0x0082, 0x0080); + bcm43xx_radio_write16(bcm, 0x0080, 0x0000); + bcm43xx_radio_write16(bcm, 0x003F, 0x00DA); + bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008); + bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0010); + bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020); + bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020); + udelay(400); + + bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020) | 0x0010); + udelay(400); + + bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008) | 0x0008); + bcm43xx_radio_write16(bcm, 0x0085, bcm43xx_radio_read16(bcm, 0x0085) & ~0x0010); + bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008); + bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040); + bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040) | 0x0040); + bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0008) | 0x0008); + bcm43xx_phy_write(bcm, 0x0063, 0xDDC6); + bcm43xx_phy_write(bcm, 0x0069, 0x07BE); + bcm43xx_phy_write(bcm, 0x006A, 0x0000); + + err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_A, 0); + assert(err == 0); + udelay(1000); +} + +static inline +u16 freq_r3A_value(u16 frequency) +{ + u16 value; + + if (frequency < 5091) + value = 0x0040; + else if (frequency < 5321) + value = 0x0000; + else if (frequency < 5806) + value = 0x0080; + else + value = 0x0040; + + return value; +} + +void bcm43xx_radio_set_tx_iq(struct bcm43xx_private *bcm) +{ + static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 }; + static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A }; + u16 tmp = bcm43xx_radio_read16(bcm, 0x001E); + int i, j; + + for (i = 0; i < 5; i++) { + for (j = 0; j < 5; j++) { + if (tmp == (data_high[i] << 4 | data_low[j])) { + bcm43xx_phy_write(bcm, 0x0069, (i - j) << 8 | 0x00C0); + return; + } + } + } +} + +int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm, + u8 channel, + int synthetic_pu_workaround) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 r8, tmp; + u16 freq; + + if ((radio->manufact == 0x17F) && + (radio->version == 0x2060) && + (radio->revision == 1)) { + if (channel > 200) + return -EINVAL; + freq = channel2freq_a(channel); + + r8 = bcm43xx_radio_read16(bcm, 0x0008); + bcm43xx_write16(bcm, 0x03F0, freq); + bcm43xx_radio_write16(bcm, 0x0008, r8); + + TODO();//TODO: write max channel TX power? to Radio 0x2D + tmp = bcm43xx_radio_read16(bcm, 0x002E); + tmp &= 0x0080; + TODO();//TODO: OR tmp with the Power out estimation for this channel? + bcm43xx_radio_write16(bcm, 0x002E, tmp); + + if (freq >= 4920 && freq <= 5500) { + /* + * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F; + * = (freq * 0.025862069 + */ + r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */ + } + bcm43xx_radio_write16(bcm, 0x0007, (r8 << 4) | r8); + bcm43xx_radio_write16(bcm, 0x0020, (r8 << 4) | r8); + bcm43xx_radio_write16(bcm, 0x0021, (r8 << 4) | r8); + bcm43xx_radio_write16(bcm, 0x0022, + (bcm43xx_radio_read16(bcm, 0x0022) + & 0x000F) | (r8 << 4)); + bcm43xx_radio_write16(bcm, 0x002A, (r8 << 4)); + bcm43xx_radio_write16(bcm, 0x002B, (r8 << 4)); + bcm43xx_radio_write16(bcm, 0x0008, + (bcm43xx_radio_read16(bcm, 0x0008) + & 0x00F0) | (r8 << 4)); + bcm43xx_radio_write16(bcm, 0x0029, + (bcm43xx_radio_read16(bcm, 0x0029) + & 0xFF0F) | 0x00B0); + bcm43xx_radio_write16(bcm, 0x0035, 0x00AA); + bcm43xx_radio_write16(bcm, 0x0036, 0x0085); + bcm43xx_radio_write16(bcm, 0x003A, + (bcm43xx_radio_read16(bcm, 0x003A) + & 0xFF20) | freq_r3A_value(freq)); + bcm43xx_radio_write16(bcm, 0x003D, + bcm43xx_radio_read16(bcm, 0x003D) & 0x00FF); + bcm43xx_radio_write16(bcm, 0x0081, + (bcm43xx_radio_read16(bcm, 0x0081) + & 0xFF7F) | 0x0080); + bcm43xx_radio_write16(bcm, 0x0035, + bcm43xx_radio_read16(bcm, 0x0035) & 0xFFEF); + bcm43xx_radio_write16(bcm, 0x0035, + (bcm43xx_radio_read16(bcm, 0x0035) + & 0xFFEF) | 0x0010); + bcm43xx_radio_set_tx_iq(bcm); + TODO(); //TODO: TSSI2dbm workaround + bcm43xx_phy_xmitpower(bcm);//FIXME correct? + } else { + if ((channel < 1) || (channel > 14)) + return -EINVAL; + + if (synthetic_pu_workaround) + bcm43xx_synth_pu_workaround(bcm, channel); + + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, + channel2freq_bg(channel)); + + if (channel == 14) { + if (bcm->sprom.locale == BCM43xx_LOCALE_JAPAN) { + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET, + bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET) + & ~(1 << 7)); + } else { + bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET, + bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODEFLAGS_OFFSET) + | (1 << 7)); + } + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, + bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) + | (1 << 11)); + } else { + bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, + bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) + & 0xF7BF); + } + } + + radio->channel = channel; + //XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states + // that 2000 usecs might suffice. + udelay(8000); + + return 0; +} + +void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val) +{ + u16 tmp; + + val <<= 8; + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0022) & 0xFCFF; + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0022, tmp | val); + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x03A8) & 0xFCFF; + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x03A8, tmp | val); + tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0054) & 0xFCFF; + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0054, tmp | val); +} + +/* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */ +static u16 bcm43xx_get_txgain_base_band(u16 txpower) +{ + u16 ret; + + assert(txpower <= 63); + + if (txpower >= 54) + ret = 2; + else if (txpower >= 49) + ret = 4; + else if (txpower >= 44) + ret = 5; + else + ret = 6; + + return ret; +} + +/* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */ +static u16 bcm43xx_get_txgain_freq_power_amp(u16 txpower) +{ + u16 ret; + + assert(txpower <= 63); + + if (txpower >= 32) + ret = 0; + else if (txpower >= 25) + ret = 1; + else if (txpower >= 20) + ret = 2; + else if (txpower >= 12) + ret = 3; + else + ret = 4; + + return ret; +} + +/* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */ +static u16 bcm43xx_get_txgain_dac(u16 txpower) +{ + u16 ret; + + assert(txpower <= 63); + + if (txpower >= 54) + ret = txpower - 53; + else if (txpower >= 49) + ret = txpower - 42; + else if (txpower >= 44) + ret = txpower - 37; + else if (txpower >= 32) + ret = txpower - 32; + else if (txpower >= 25) + ret = txpower - 20; + else if (txpower >= 20) + ret = txpower - 13; + else if (txpower >= 12) + ret = txpower - 8; + else + ret = txpower; + + return ret; +} + +void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 pamp, base, dac, ilt; + + txpower = limit_value(txpower, 0, 63); + + pamp = bcm43xx_get_txgain_freq_power_amp(txpower); + pamp <<= 5; + pamp &= 0x00E0; + bcm43xx_phy_write(bcm, 0x0019, pamp); + + base = bcm43xx_get_txgain_base_band(txpower); + base &= 0x000F; + bcm43xx_phy_write(bcm, 0x0017, base | 0x0020); + + ilt = bcm43xx_ilt_read(bcm, 0x3001); + ilt &= 0x0007; + + dac = bcm43xx_get_txgain_dac(txpower); + dac <<= 3; + dac |= ilt; + + bcm43xx_ilt_write(bcm, 0x3001, dac); + + radio->txpwr_offset = txpower; + + TODO(); + //TODO: FuncPlaceholder (Adjust BB loft cancel) +} + +void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm, + u16 baseband_attenuation, u16 radio_attenuation, + u16 txpower) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + + if (baseband_attenuation == 0xFFFF) + baseband_attenuation = radio->baseband_atten; + if (radio_attenuation == 0xFFFF) + radio_attenuation = radio->radio_atten; + if (txpower == 0xFFFF) + txpower = radio->txctl1; + radio->baseband_atten = baseband_attenuation; + radio->radio_atten = radio_attenuation; + radio->txctl1 = txpower; + + assert(/*baseband_attenuation >= 0 &&*/ baseband_attenuation <= 11); + if (radio->revision < 6) + assert(/*radio_attenuation >= 0 &&*/ radio_attenuation <= 9); + else + assert(/* radio_attenuation >= 0 &&*/ radio_attenuation <= 31); + assert(/*txpower >= 0 &&*/ txpower <= 7); + + bcm43xx_phy_set_baseband_attenuation(bcm, baseband_attenuation); + bcm43xx_radio_write16(bcm, 0x0043, radio_attenuation); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0064, radio_attenuation); + if (radio->version == 0x2050) { + bcm43xx_radio_write16(bcm, 0x0052, + (bcm43xx_radio_read16(bcm, 0x0052) & ~0x0070) + | ((txpower << 4) & 0x0070)); + } + //FIXME: The spec is very weird and unclear here. + if (phy->type == BCM43xx_PHYTYPE_G) + bcm43xx_phy_lo_adjust(bcm, 0); +} + +u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + + if (radio->version == 0x2050 && radio->revision < 6) + return 0; + return 2; +} + +u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + u16 att = 0xFFFF; + + if (phy->type == BCM43xx_PHYTYPE_A) + return 0x60; + + switch (radio->version) { + case 0x2053: + switch (radio->revision) { + case 1: + att = 6; + break; + } + break; + case 0x2050: + switch (radio->revision) { + case 0: + att = 5; + break; + case 1: + if (phy->type == BCM43xx_PHYTYPE_G) { + if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && + bcm->board_type == 0x421 && + bcm->board_revision >= 30) + att = 3; + else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && + bcm->board_type == 0x416) + att = 3; + else + att = 1; + } else { + if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && + bcm->board_type == 0x421 && + bcm->board_revision >= 30) + att = 7; + else + att = 6; + } + break; + case 2: + if (phy->type == BCM43xx_PHYTYPE_G) { + if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && + bcm->board_type == 0x421 && + bcm->board_revision >= 30) + att = 3; + else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && + bcm->board_type == 0x416) + att = 5; + else if (bcm->chip_id == 0x4320) + att = 4; + else + att = 3; + } else + att = 6; + break; + case 3: + att = 5; + break; + case 4: + case 5: + att = 1; + break; + case 6: + case 7: + att = 5; + break; + case 8: + att = 0x1A; + break; + case 9: + default: + att = 5; + } + } + if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && + bcm->board_type == 0x421) { + if (bcm->board_revision < 0x43) + att = 2; + else if (bcm->board_revision < 0x51) + att = 3; + } + if (att == 0xFFFF) + att = 5; + + return att; +} + +u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + + if (radio->version != 0x2050) + return 0; + if (radio->revision == 1) + return 3; + if (radio->revision < 6) + return 2; + if (radio->revision == 8) + return 1; + return 0; +} + +void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + int err; + + if (radio->enabled) + return; + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + bcm43xx_radio_write16(bcm, 0x0004, 0x00C0); + bcm43xx_radio_write16(bcm, 0x0005, 0x0008); + bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) & 0xFFF7); + bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) & 0xFFF7); + bcm43xx_radio_init2060(bcm); + break; + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: + bcm43xx_phy_write(bcm, 0x0015, 0x8000); + bcm43xx_phy_write(bcm, 0x0015, 0xCC00); + bcm43xx_phy_write(bcm, 0x0015, (phy->connected ? 0x00C0 : 0x0000)); + err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 1); + assert(err == 0); + break; + default: + assert(0); + } + radio->enabled = 1; + dprintk(KERN_INFO PFX "Radio turned on\n"); +} + +void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + + if (phy->type == BCM43xx_PHYTYPE_A) { + bcm43xx_radio_write16(bcm, 0x0004, 0x00FF); + bcm43xx_radio_write16(bcm, 0x0005, 0x00FB); + bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) | 0x0008); + bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) | 0x0008); + } + if (phy->type == BCM43xx_PHYTYPE_G && bcm->current_core->rev >= 5) { + bcm43xx_phy_write(bcm, 0x0811, bcm43xx_phy_read(bcm, 0x0811) | 0x008C); + bcm43xx_phy_write(bcm, 0x0812, bcm43xx_phy_read(bcm, 0x0812) & 0xFF73); + } else + bcm43xx_phy_write(bcm, 0x0015, 0xAA00); + radio->enabled = 0; + dprintk(KERN_INFO PFX "Radio turned off\n"); +} + +void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0068, 0x7F7F); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x006a, 0x7F7F); + break; + case BCM43xx_PHYTYPE_B: + case BCM43xx_PHYTYPE_G: + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0058, 0x7F7F); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x005a, 0x7F7F); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0070, 0x7F7F); + bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0072, 0x7F7F); + break; + } +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_radio.h b/drivers/net/wireless/bcm43xx/bcm43xx_radio.h new file mode 100644 index 00000000000..9ed18039fa3 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_radio.h @@ -0,0 +1,99 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#ifndef BCM43xx_RADIO_H_ +#define BCM43xx_RADIO_H_ + +#include "bcm43xx.h" + + +#define BCM43xx_RADIO_DEFAULT_CHANNEL_A 36 +#define BCM43xx_RADIO_DEFAULT_CHANNEL_BG 6 + +/* Force antenna 0. */ +#define BCM43xx_RADIO_TXANTENNA_0 0 +/* Force antenna 1. */ +#define BCM43xx_RADIO_TXANTENNA_1 1 +/* Use the RX antenna, that was selected for the most recently + * received good PLCP header. + */ +#define BCM43xx_RADIO_TXANTENNA_LASTPLCP 3 +#define BCM43xx_RADIO_TXANTENNA_DEFAULT BCM43xx_RADIO_TXANTENNA_LASTPLCP + +#define BCM43xx_RADIO_INTERFMODE_NONE 0 +#define BCM43xx_RADIO_INTERFMODE_NONWLAN 1 +#define BCM43xx_RADIO_INTERFMODE_MANUALWLAN 2 +#define BCM43xx_RADIO_INTERFMODE_AUTOWLAN 3 + + +void bcm43xx_radio_lock(struct bcm43xx_private *bcm); +void bcm43xx_radio_unlock(struct bcm43xx_private *bcm); + +u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset); +void bcm43xx_radio_write16(struct bcm43xx_private *bcm, u16 offset, u16 val); + +u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm); +void bcm43xx_radio_init2060(struct bcm43xx_private *bcm); + +void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm); +void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm); + +int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm, u8 channel, + int synthetic_pu_workaround); + +void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower); +void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm, + u16 baseband_attenuation, u16 attenuation, + u16 txpower); + +u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm); +u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm); +u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm); + +void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val); + +void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm); + +u8 bcm43xx_radio_aci_detect(struct bcm43xx_private *bcm, u8 channel); +u8 bcm43xx_radio_aci_scan(struct bcm43xx_private *bcm); + +int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm, int mode); + +void bcm43xx_calc_nrssi_slope(struct bcm43xx_private *bcm); +void bcm43xx_calc_nrssi_threshold(struct bcm43xx_private *bcm); +s16 bcm43xx_nrssi_hw_read(struct bcm43xx_private *bcm, u16 offset); +void bcm43xx_nrssi_hw_write(struct bcm43xx_private *bcm, u16 offset, s16 val); +void bcm43xx_nrssi_hw_update(struct bcm43xx_private *bcm, u16 val); +void bcm43xx_nrssi_mem_update(struct bcm43xx_private *bcm); + +void bcm43xx_radio_set_tx_iq(struct bcm43xx_private *bcm); +u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm); + +#endif /* BCM43xx_RADIO_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c new file mode 100644 index 00000000000..c44d890b949 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c @@ -0,0 +1,322 @@ +/* + + Broadcom BCM43xx wireless driver + + SYSFS support routines + + Copyright (c) 2006 Michael Buesch <mbuesch@freenet.de> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "bcm43xx_sysfs.h" +#include "bcm43xx.h" +#include "bcm43xx_main.h" +#include "bcm43xx_radio.h" + +#include <linux/capability.h> + + +#define GENERIC_FILESIZE 64 + + +static int get_integer(const char *buf, size_t count) +{ + char tmp[10 + 1] = { 0 }; + int ret = -EINVAL; + + if (count == 0) + goto out; + count = min(count, (size_t)10); + memcpy(tmp, buf, count); + ret = simple_strtol(tmp, NULL, 10); +out: + return ret; +} + +static int get_boolean(const char *buf, size_t count) +{ + if (count != 0) { + if (buf[0] == '1') + return 1; + if (buf[0] == '0') + return 0; + if (count >= 4 && memcmp(buf, "true", 4) == 0) + return 1; + if (count >= 5 && memcmp(buf, "false", 5) == 0) + return 0; + if (count >= 3 && memcmp(buf, "yes", 3) == 0) + return 1; + if (count >= 2 && memcmp(buf, "no", 2) == 0) + return 0; + if (count >= 2 && memcmp(buf, "on", 2) == 0) + return 1; + if (count >= 3 && memcmp(buf, "off", 3) == 0) + return 0; + } + return -EINVAL; +} + +static ssize_t bcm43xx_attr_sprom_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_sprom); + u16 *sprom; + unsigned long flags; + int i, err; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + assert(BCM43xx_SPROM_SIZE * sizeof(u16) <= PAGE_SIZE); + sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom), + GFP_KERNEL); + if (!sprom) + return -ENOMEM; + bcm43xx_lock_mmio(bcm, flags); + assert(bcm->initialized); + err = bcm43xx_sprom_read(bcm, sprom); + if (!err) { + for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { + buf[i * 2] = sprom[i] & 0x00FF; + buf[i * 2 + 1] = (sprom[i] & 0xFF00) >> 8; + } + } + bcm43xx_unlock_mmio(bcm, flags); + kfree(sprom); + + return err ? err : BCM43xx_SPROM_SIZE * sizeof(u16); +} + +static ssize_t bcm43xx_attr_sprom_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_sprom); + u16 *sprom; + unsigned long flags; + int i, err; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + if (count != BCM43xx_SPROM_SIZE * sizeof(u16)) + return -EINVAL; + sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom), + GFP_KERNEL); + if (!sprom) + return -ENOMEM; + for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { + sprom[i] = buf[i * 2] & 0xFF; + sprom[i] |= ((u16)(buf[i * 2 + 1] & 0xFF)) << 8; + } + bcm43xx_lock_mmio(bcm, flags); + assert(bcm->initialized); + err = bcm43xx_sprom_write(bcm, sprom); + bcm43xx_unlock_mmio(bcm, flags); + kfree(sprom); + + return err ? err : count; + +} + +static ssize_t bcm43xx_attr_interfmode_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_interfmode); + unsigned long flags; + int err; + ssize_t count = 0; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + bcm43xx_lock(bcm, flags); + assert(bcm->initialized); + + switch (bcm43xx_current_radio(bcm)->interfmode) { + case BCM43xx_RADIO_INTERFMODE_NONE: + count = snprintf(buf, PAGE_SIZE, "0 (No Interference Mitigation)\n"); + break; + case BCM43xx_RADIO_INTERFMODE_NONWLAN: + count = snprintf(buf, PAGE_SIZE, "1 (Non-WLAN Interference Mitigation)\n"); + break; + case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: + count = snprintf(buf, PAGE_SIZE, "2 (WLAN Interference Mitigation)\n"); + break; + default: + assert(0); + } + err = 0; + + bcm43xx_unlock(bcm, flags); + + return err ? err : count; + +} + +static ssize_t bcm43xx_attr_interfmode_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_interfmode); + unsigned long flags; + int err; + int mode; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + mode = get_integer(buf, count); + switch (mode) { + case 0: + mode = BCM43xx_RADIO_INTERFMODE_NONE; + break; + case 1: + mode = BCM43xx_RADIO_INTERFMODE_NONWLAN; + break; + case 2: + mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN; + break; + case 3: + mode = BCM43xx_RADIO_INTERFMODE_AUTOWLAN; + break; + default: + return -EINVAL; + } + + bcm43xx_lock_mmio(bcm, flags); + assert(bcm->initialized); + + err = bcm43xx_radio_set_interference_mitigation(bcm, mode); + if (err) { + printk(KERN_ERR PFX "Interference Mitigation not " + "supported by device\n"); + } + + bcm43xx_unlock_mmio(bcm, flags); + + return err ? err : count; +} + +static ssize_t bcm43xx_attr_preamble_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_preamble); + unsigned long flags; + int err; + ssize_t count; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + bcm43xx_lock(bcm, flags); + assert(bcm->initialized); + + if (bcm->short_preamble) + count = snprintf(buf, PAGE_SIZE, "1 (Short Preamble enabled)\n"); + else + count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble disabled)\n"); + + err = 0; + bcm43xx_unlock(bcm, flags); + + return err ? err : count; +} + +static ssize_t bcm43xx_attr_preamble_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct bcm43xx_private *bcm = devattr_to_bcm(attr, attr_preamble); + unsigned long flags; + int err; + int value; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + value = get_boolean(buf, count); + if (value < 0) + return value; + bcm43xx_lock(bcm, flags); + assert(bcm->initialized); + + bcm->short_preamble = !!value; + + err = 0; + bcm43xx_unlock(bcm, flags); + + return err ? err : count; +} + +int bcm43xx_sysfs_register(struct bcm43xx_private *bcm) +{ + struct device *dev = &bcm->pci_dev->dev; + struct bcm43xx_sysfs *sysfs = &bcm->sysfs; + int err; + + assert(bcm->initialized); + + sysfs->attr_sprom.attr.name = "sprom"; + sysfs->attr_sprom.attr.owner = THIS_MODULE; + sysfs->attr_sprom.attr.mode = 0600; + sysfs->attr_sprom.show = bcm43xx_attr_sprom_show; + sysfs->attr_sprom.store = bcm43xx_attr_sprom_store; + err = device_create_file(dev, &sysfs->attr_sprom); + if (err) + goto out; + + sysfs->attr_interfmode.attr.name = "interference"; + sysfs->attr_interfmode.attr.owner = THIS_MODULE; + sysfs->attr_interfmode.attr.mode = 0600; + sysfs->attr_interfmode.show = bcm43xx_attr_interfmode_show; + sysfs->attr_interfmode.store = bcm43xx_attr_interfmode_store; + err = device_create_file(dev, &sysfs->attr_interfmode); + if (err) + goto err_remove_sprom; + + sysfs->attr_preamble.attr.name = "shortpreamble"; + sysfs->attr_preamble.attr.owner = THIS_MODULE; + sysfs->attr_preamble.attr.mode = 0600; + sysfs->attr_preamble.show = bcm43xx_attr_preamble_show; + sysfs->attr_preamble.store = bcm43xx_attr_preamble_store; + err = device_create_file(dev, &sysfs->attr_preamble); + if (err) + goto err_remove_interfmode; + +out: + return err; +err_remove_interfmode: + device_remove_file(dev, &sysfs->attr_interfmode); +err_remove_sprom: + device_remove_file(dev, &sysfs->attr_sprom); + goto out; +} + +void bcm43xx_sysfs_unregister(struct bcm43xx_private *bcm) +{ + struct device *dev = &bcm->pci_dev->dev; + struct bcm43xx_sysfs *sysfs = &bcm->sysfs; + + device_remove_file(dev, &sysfs->attr_preamble); + device_remove_file(dev, &sysfs->attr_interfmode); + device_remove_file(dev, &sysfs->attr_sprom); +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h new file mode 100644 index 00000000000..57f14514e3e --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h @@ -0,0 +1,25 @@ +#ifndef BCM43xx_SYSFS_H_ +#define BCM43xx_SYSFS_H_ + +#include <linux/device.h> + + +struct bcm43xx_sysfs { + struct device_attribute attr_sprom; + struct device_attribute attr_interfmode; + struct device_attribute attr_preamble; +}; + +#define devattr_to_bcm(attr, attr_name) ({ \ + struct bcm43xx_sysfs *__s; struct bcm43xx_private *__p; \ + __s = container_of((attr), struct bcm43xx_sysfs, attr_name); \ + __p = container_of(__s, struct bcm43xx_private, sysfs); \ + __p; \ + }) + +struct bcm43xx_private; + +int bcm43xx_sysfs_register(struct bcm43xx_private *bcm); +void bcm43xx_sysfs_unregister(struct bcm43xx_private *bcm); + +#endif /* BCM43xx_SYSFS_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c new file mode 100644 index 00000000000..3daee828ef4 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c @@ -0,0 +1,1002 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include <linux/wireless.h> +#include <net/iw_handler.h> +#include <net/ieee80211softmac.h> +#include <net/ieee80211softmac_wx.h> +#include <linux/capability.h> +#include <linux/sched.h> /* for capable() */ +#include <linux/delay.h> + +#include "bcm43xx.h" +#include "bcm43xx_wx.h" +#include "bcm43xx_main.h" +#include "bcm43xx_radio.h" +#include "bcm43xx_phy.h" + + +/* The WIRELESS_EXT version, which is implemented by this driver. */ +#define BCM43xx_WX_VERSION 18 + +#define MAX_WX_STRING 80 + + +static int bcm43xx_wx_get_name(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int i; + struct bcm43xx_phyinfo *phy; + char suffix[7] = { 0 }; + int have_a = 0, have_b = 0, have_g = 0; + + bcm43xx_lock(bcm, flags); + for (i = 0; i < bcm->nr_80211_available; i++) { + phy = &(bcm->core_80211_ext[i].phy); + switch (phy->type) { + case BCM43xx_PHYTYPE_A: + have_a = 1; + break; + case BCM43xx_PHYTYPE_G: + have_g = 1; + case BCM43xx_PHYTYPE_B: + have_b = 1; + break; + default: + assert(0); + } + } + bcm43xx_unlock(bcm, flags); + + i = 0; + if (have_a) { + suffix[i++] = 'a'; + suffix[i++] = '/'; + } + if (have_b) { + suffix[i++] = 'b'; + suffix[i++] = '/'; + } + if (have_g) { + suffix[i++] = 'g'; + suffix[i++] = '/'; + } + if (i != 0) + suffix[i - 1] = '\0'; + + snprintf(data->name, IFNAMSIZ, "IEEE 802.11%s", suffix); + + return 0; +} + +static int bcm43xx_wx_set_channelfreq(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + u8 channel; + int freq; + int err = -EINVAL; + + bcm43xx_lock_mmio(bcm, flags); + if ((data->freq.m >= 0) && (data->freq.m <= 1000)) { + channel = data->freq.m; + freq = bcm43xx_channel_to_freq(bcm, channel); + } else { + channel = bcm43xx_freq_to_channel(bcm, data->freq.m); + freq = data->freq.m; + } + if (!bcm43xx_is_valid_channel(bcm, channel)) + goto out_unlock; + if (bcm->initialized) { + //ieee80211softmac_disassoc(softmac, $REASON); + bcm43xx_mac_suspend(bcm); + err = bcm43xx_radio_selectchannel(bcm, channel, 0); + bcm43xx_mac_enable(bcm); + } else { + bcm43xx_current_radio(bcm)->initial_channel = channel; + err = 0; + } +out_unlock: + bcm43xx_unlock_mmio(bcm, flags); + + return err; +} + +static int bcm43xx_wx_get_channelfreq(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct bcm43xx_radioinfo *radio; + unsigned long flags; + int err = -ENODEV; + u16 channel; + + bcm43xx_lock(bcm, flags); + radio = bcm43xx_current_radio(bcm); + channel = radio->channel; + if (channel == 0xFF) { + assert(!bcm->initialized); + channel = radio->initial_channel; + if (channel == 0xFF) + goto out_unlock; + } + assert(channel > 0 && channel <= 1000); + data->freq.e = 1; + data->freq.m = bcm43xx_channel_to_freq(bcm, channel) * 100000; + data->freq.flags = 1; + + err = 0; +out_unlock: + bcm43xx_unlock(bcm, flags); + + return err; +} + +static int bcm43xx_wx_set_mode(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int mode; + + mode = data->mode; + if (mode == IW_MODE_AUTO) + mode = BCM43xx_INITIAL_IWMODE; + + bcm43xx_lock_mmio(bcm, flags); + if (bcm->ieee->iw_mode != mode) + bcm43xx_set_iwmode(bcm, mode); + bcm43xx_unlock_mmio(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_get_mode(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + + bcm43xx_lock(bcm, flags); + data->mode = bcm->ieee->iw_mode; + bcm43xx_unlock(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_get_rangeparams(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct iw_range *range = (struct iw_range *)extra; + const struct ieee80211_geo *geo; + unsigned long flags; + int i, j; + struct bcm43xx_phyinfo *phy; + + data->data.length = sizeof(*range); + memset(range, 0, sizeof(*range)); + + //TODO: What about 802.11b? + /* 54Mb/s == ~27Mb/s payload throughput (802.11g) */ + range->throughput = 27 * 1000 * 1000; + + range->max_qual.qual = 100; + /* TODO: Real max RSSI */ + range->max_qual.level = 3; + range->max_qual.noise = 100; + range->max_qual.updated = 7; + + range->avg_qual.qual = 70; + range->avg_qual.level = 2; + range->avg_qual.noise = 40; + range->avg_qual.updated = 7; + + range->min_rts = BCM43xx_MIN_RTS_THRESHOLD; + range->max_rts = BCM43xx_MAX_RTS_THRESHOLD; + range->min_frag = MIN_FRAG_THRESHOLD; + range->max_frag = MAX_FRAG_THRESHOLD; + + range->encoding_size[0] = 5; + range->encoding_size[1] = 13; + range->num_encoding_sizes = 2; + range->max_encoding_tokens = WEP_KEYS; + + range->we_version_compiled = WIRELESS_EXT; + range->we_version_source = BCM43xx_WX_VERSION; + + range->enc_capa = IW_ENC_CAPA_WPA | + IW_ENC_CAPA_WPA2 | + IW_ENC_CAPA_CIPHER_TKIP | + IW_ENC_CAPA_CIPHER_CCMP; + + bcm43xx_lock(bcm, flags); + phy = bcm43xx_current_phy(bcm); + + range->num_bitrates = 0; + i = 0; + if (phy->type == BCM43xx_PHYTYPE_A || + phy->type == BCM43xx_PHYTYPE_G) { + range->num_bitrates = 8; + range->bitrate[i++] = IEEE80211_OFDM_RATE_6MB; + range->bitrate[i++] = IEEE80211_OFDM_RATE_9MB; + range->bitrate[i++] = IEEE80211_OFDM_RATE_12MB; + range->bitrate[i++] = IEEE80211_OFDM_RATE_18MB; + range->bitrate[i++] = IEEE80211_OFDM_RATE_24MB; + range->bitrate[i++] = IEEE80211_OFDM_RATE_36MB; + range->bitrate[i++] = IEEE80211_OFDM_RATE_48MB; + range->bitrate[i++] = IEEE80211_OFDM_RATE_54MB; + } + if (phy->type == BCM43xx_PHYTYPE_B || + phy->type == BCM43xx_PHYTYPE_G) { + range->num_bitrates += 4; + range->bitrate[i++] = IEEE80211_CCK_RATE_1MB; + range->bitrate[i++] = IEEE80211_CCK_RATE_2MB; + range->bitrate[i++] = IEEE80211_CCK_RATE_5MB; + range->bitrate[i++] = IEEE80211_CCK_RATE_11MB; + } + + geo = ieee80211_get_geo(bcm->ieee); + range->num_channels = geo->a_channels + geo->bg_channels; + j = 0; + for (i = 0; i < geo->a_channels; i++) { + if (j == IW_MAX_FREQUENCIES) + break; + range->freq[j].i = j + 1; + range->freq[j].m = geo->a[i].freq;//FIXME? + range->freq[j].e = 1; + j++; + } + for (i = 0; i < geo->bg_channels; i++) { + if (j == IW_MAX_FREQUENCIES) + break; + range->freq[j].i = j + 1; + range->freq[j].m = geo->bg[i].freq;//FIXME? + range->freq[j].e = 1; + j++; + } + range->num_frequency = j; + + bcm43xx_unlock(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_set_nick(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + size_t len; + + bcm43xx_lock(bcm, flags); + len = min((size_t)data->data.length, (size_t)IW_ESSID_MAX_SIZE); + memcpy(bcm->nick, extra, len); + bcm->nick[len] = '\0'; + bcm43xx_unlock(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_get_nick(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + size_t len; + + bcm43xx_lock(bcm, flags); + len = strlen(bcm->nick) + 1; + memcpy(extra, bcm->nick, len); + data->data.length = (__u16)len; + data->data.flags = 1; + bcm43xx_unlock(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_set_rts(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int err = -EINVAL; + + bcm43xx_lock(bcm, flags); + if (data->rts.disabled) { + bcm->rts_threshold = BCM43xx_MAX_RTS_THRESHOLD; + err = 0; + } else { + if (data->rts.value >= BCM43xx_MIN_RTS_THRESHOLD && + data->rts.value <= BCM43xx_MAX_RTS_THRESHOLD) { + bcm->rts_threshold = data->rts.value; + err = 0; + } + } + bcm43xx_unlock(bcm, flags); + + return err; +} + +static int bcm43xx_wx_get_rts(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + + bcm43xx_lock(bcm, flags); + data->rts.value = bcm->rts_threshold; + data->rts.fixed = 0; + data->rts.disabled = (bcm->rts_threshold == BCM43xx_MAX_RTS_THRESHOLD); + bcm43xx_unlock(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_set_frag(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int err = -EINVAL; + + bcm43xx_lock(bcm, flags); + if (data->frag.disabled) { + bcm->ieee->fts = MAX_FRAG_THRESHOLD; + err = 0; + } else { + if (data->frag.value >= MIN_FRAG_THRESHOLD && + data->frag.value <= MAX_FRAG_THRESHOLD) { + bcm->ieee->fts = data->frag.value & ~0x1; + err = 0; + } + } + bcm43xx_unlock(bcm, flags); + + return err; +} + +static int bcm43xx_wx_get_frag(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + + bcm43xx_lock(bcm, flags); + data->frag.value = bcm->ieee->fts; + data->frag.fixed = 0; + data->frag.disabled = (bcm->ieee->fts == MAX_FRAG_THRESHOLD); + bcm43xx_unlock(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_set_xmitpower(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct bcm43xx_radioinfo *radio; + struct bcm43xx_phyinfo *phy; + unsigned long flags; + int err = -ENODEV; + u16 maxpower; + + if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) { + printk(PFX KERN_ERR "TX power not in dBm.\n"); + return -EOPNOTSUPP; + } + + bcm43xx_lock_mmio(bcm, flags); + if (!bcm->initialized) + goto out_unlock; + radio = bcm43xx_current_radio(bcm); + phy = bcm43xx_current_phy(bcm); + if (data->txpower.disabled != (!(radio->enabled))) { + if (data->txpower.disabled) + bcm43xx_radio_turn_off(bcm); + else + bcm43xx_radio_turn_on(bcm); + } + if (data->txpower.value > 0) { + /* desired and maxpower dBm values are in Q5.2 */ + if (phy->type == BCM43xx_PHYTYPE_A) + maxpower = bcm->sprom.maxpower_aphy; + else + maxpower = bcm->sprom.maxpower_bgphy; + radio->txpower_desired = limit_value(data->txpower.value << 2, + 0, maxpower); + bcm43xx_phy_xmitpower(bcm); + } + err = 0; + +out_unlock: + bcm43xx_unlock_mmio(bcm, flags); + + return err; +} + +static int bcm43xx_wx_get_xmitpower(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct bcm43xx_radioinfo *radio; + unsigned long flags; + int err = -ENODEV; + + bcm43xx_lock(bcm, flags); + if (!bcm->initialized) + goto out_unlock; + radio = bcm43xx_current_radio(bcm); + /* desired dBm value is in Q5.2 */ + data->txpower.value = radio->txpower_desired >> 2; + data->txpower.fixed = 1; + data->txpower.flags = IW_TXPOW_DBM; + data->txpower.disabled = !(radio->enabled); + + err = 0; +out_unlock: + bcm43xx_unlock(bcm, flags); + + return err; +} + +static int bcm43xx_wx_set_encoding(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + int err; + + err = ieee80211_wx_set_encode(bcm->ieee, info, data, extra); + + return err; +} + +static int bcm43xx_wx_set_encodingext(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + int err; + + err = ieee80211_wx_set_encodeext(bcm->ieee, info, data, extra); + + return err; +} + +static int bcm43xx_wx_get_encoding(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + int err; + + err = ieee80211_wx_get_encode(bcm->ieee, info, data, extra); + + return err; +} + +static int bcm43xx_wx_get_encodingext(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + int err; + + err = ieee80211_wx_get_encodeext(bcm->ieee, info, data, extra); + + return err; +} + +static int bcm43xx_wx_set_interfmode(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int mode, err = 0; + + mode = *((int *)extra); + switch (mode) { + case 0: + mode = BCM43xx_RADIO_INTERFMODE_NONE; + break; + case 1: + mode = BCM43xx_RADIO_INTERFMODE_NONWLAN; + break; + case 2: + mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN; + break; + case 3: + mode = BCM43xx_RADIO_INTERFMODE_AUTOWLAN; + break; + default: + printk(KERN_ERR PFX "set_interfmode allowed parameters are: " + "0 => None, 1 => Non-WLAN, 2 => WLAN, " + "3 => Auto-WLAN\n"); + return -EINVAL; + } + + bcm43xx_lock_mmio(bcm, flags); + if (bcm->initialized) { + err = bcm43xx_radio_set_interference_mitigation(bcm, mode); + if (err) { + printk(KERN_ERR PFX "Interference Mitigation not " + "supported by device\n"); + } + } else { + if (mode == BCM43xx_RADIO_INTERFMODE_AUTOWLAN) { + printk(KERN_ERR PFX "Interference Mitigation mode Auto-WLAN " + "not supported while the interface is down.\n"); + err = -ENODEV; + } else + bcm43xx_current_radio(bcm)->interfmode = mode; + } + bcm43xx_unlock_mmio(bcm, flags); + + return err; +} + +static int bcm43xx_wx_get_interfmode(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int mode; + + bcm43xx_lock(bcm, flags); + mode = bcm43xx_current_radio(bcm)->interfmode; + bcm43xx_unlock(bcm, flags); + + switch (mode) { + case BCM43xx_RADIO_INTERFMODE_NONE: + strncpy(extra, "0 (No Interference Mitigation)", MAX_WX_STRING); + break; + case BCM43xx_RADIO_INTERFMODE_NONWLAN: + strncpy(extra, "1 (Non-WLAN Interference Mitigation)", MAX_WX_STRING); + break; + case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: + strncpy(extra, "2 (WLAN Interference Mitigation)", MAX_WX_STRING); + break; + default: + assert(0); + } + data->data.length = strlen(extra) + 1; + + return 0; +} + +static int bcm43xx_wx_set_shortpreamble(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int on; + + on = *((int *)extra); + bcm43xx_lock(bcm, flags); + bcm->short_preamble = !!on; + bcm43xx_unlock(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_get_shortpreamble(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int on; + + bcm43xx_lock(bcm, flags); + on = bcm->short_preamble; + bcm43xx_unlock(bcm, flags); + + if (on) + strncpy(extra, "1 (Short Preamble enabled)", MAX_WX_STRING); + else + strncpy(extra, "0 (Short Preamble disabled)", MAX_WX_STRING); + data->data.length = strlen(extra) + 1; + + return 0; +} + +static int bcm43xx_wx_set_swencryption(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int on; + + on = *((int *)extra); + + bcm43xx_lock(bcm, flags); + bcm->ieee->host_encrypt = !!on; + bcm->ieee->host_decrypt = !!on; + bcm->ieee->host_build_iv = !on; + bcm43xx_unlock(bcm, flags); + + return 0; +} + +static int bcm43xx_wx_get_swencryption(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + unsigned long flags; + int on; + + bcm43xx_lock(bcm, flags); + on = bcm->ieee->host_encrypt; + bcm43xx_unlock(bcm, flags); + + if (on) + strncpy(extra, "1 (SW encryption enabled) ", MAX_WX_STRING); + else + strncpy(extra, "0 (SW encryption disabled) ", MAX_WX_STRING); + data->data.length = strlen(extra + 1); + + return 0; +} + +/* Enough buffer to hold a hexdump of the sprom data. */ +#define SPROM_BUFFERSIZE 512 + +static int sprom2hex(const u16 *sprom, char *dump) +{ + int i, pos = 0; + + for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { + pos += snprintf(dump + pos, SPROM_BUFFERSIZE - pos - 1, + "%04X", swab16(sprom[i]) & 0xFFFF); + } + + return pos + 1; +} + +static int hex2sprom(u16 *sprom, const char *dump, unsigned int len) +{ + char tmp[5] = { 0 }; + int cnt = 0; + unsigned long parsed; + + if (len < BCM43xx_SPROM_SIZE * sizeof(u16) * 2) + return -EINVAL; + while (cnt < BCM43xx_SPROM_SIZE) { + memcpy(tmp, dump, 4); + dump += 4; + parsed = simple_strtoul(tmp, NULL, 16); + sprom[cnt++] = swab16((u16)parsed); + } + + return 0; +} + +static int bcm43xx_wx_sprom_read(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + int err = -EPERM; + u16 *sprom; + unsigned long flags; + + if (!capable(CAP_SYS_RAWIO)) + goto out; + + err = -ENOMEM; + sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom), + GFP_KERNEL); + if (!sprom) + goto out; + + bcm43xx_lock_mmio(bcm, flags); + err = -ENODEV; + if (bcm->initialized) + err = bcm43xx_sprom_read(bcm, sprom); + bcm43xx_unlock_mmio(bcm, flags); + if (!err) + data->data.length = sprom2hex(sprom, extra); + kfree(sprom); +out: + return err; +} + +static int bcm43xx_wx_sprom_write(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + int err = -EPERM; + u16 *sprom; + unsigned long flags; + char *input; + unsigned int len; + + if (!capable(CAP_SYS_RAWIO)) + goto out; + + err = -ENOMEM; + sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom), + GFP_KERNEL); + if (!sprom) + goto out; + + len = data->data.length; + extra[len - 1] = '\0'; + input = strchr(extra, ':'); + if (input) { + input++; + len -= input - extra; + } else + input = extra; + err = hex2sprom(sprom, input, len); + if (err) + goto out_kfree; + + bcm43xx_lock_mmio(bcm, flags); + err = -ENODEV; + if (bcm->initialized) + err = bcm43xx_sprom_write(bcm, sprom); + bcm43xx_unlock_mmio(bcm, flags); +out_kfree: + kfree(sprom); +out: + return err; +} + +/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ + +static struct iw_statistics *bcm43xx_get_wireless_stats(struct net_device *net_dev) +{ + struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct ieee80211softmac_device *mac = ieee80211_priv(net_dev); + struct iw_statistics *wstats; + + wstats = &bcm->stats.wstats; + if (!mac->associated) { + wstats->miss.beacon = 0; +// bcm->ieee->ieee_stats.tx_retry_limit_exceeded = 0; // FIXME: should this be cleared here? + wstats->discard.retries = 0; +// bcm->ieee->ieee_stats.tx_discards_wrong_sa = 0; // FIXME: same question + wstats->discard.nwid = 0; +// bcm->ieee->ieee_stats.rx_discards_undecryptable = 0; // FIXME: ditto + wstats->discard.code = 0; +// bcm->ieee->ieee_stats.rx_fragments = 0; // FIXME: same here + wstats->discard.fragment = 0; + wstats->discard.misc = 0; + wstats->qual.qual = 0; + wstats->qual.level = 0; + wstats->qual.noise = 0; + wstats->qual.updated = 7; + wstats->qual.updated |= IW_QUAL_NOISE_INVALID | + IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID; + return wstats; + } + /* fill in the real statistics when iface associated */ + wstats->qual.qual = 100; // TODO: get the real signal quality + wstats->qual.level = 3 - bcm->stats.link_quality; + wstats->qual.noise = bcm->stats.noise; + wstats->qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | + IW_QUAL_NOISE_UPDATED; + wstats->discard.code = bcm->ieee->ieee_stats.rx_discards_undecryptable; + wstats->discard.retries = bcm->ieee->ieee_stats.tx_retry_limit_exceeded; + wstats->discard.nwid = bcm->ieee->ieee_stats.tx_discards_wrong_sa; + wstats->discard.fragment = bcm->ieee->ieee_stats.rx_fragments; + wstats->discard.misc = 0; // FIXME + wstats->miss.beacon = 0; // FIXME + return wstats; +} + + +#ifdef WX +# undef WX +#endif +#define WX(ioctl) [(ioctl) - SIOCSIWCOMMIT] +static const iw_handler bcm43xx_wx_handlers[] = { + /* Wireless Identification */ + WX(SIOCGIWNAME) = bcm43xx_wx_get_name, + /* Basic operations */ + WX(SIOCSIWFREQ) = bcm43xx_wx_set_channelfreq, + WX(SIOCGIWFREQ) = bcm43xx_wx_get_channelfreq, + WX(SIOCSIWMODE) = bcm43xx_wx_set_mode, + WX(SIOCGIWMODE) = bcm43xx_wx_get_mode, + /* Informative stuff */ + WX(SIOCGIWRANGE) = bcm43xx_wx_get_rangeparams, + /* Access Point manipulation */ + WX(SIOCSIWAP) = ieee80211softmac_wx_set_wap, + WX(SIOCGIWAP) = ieee80211softmac_wx_get_wap, + WX(SIOCSIWSCAN) = ieee80211softmac_wx_trigger_scan, + WX(SIOCGIWSCAN) = ieee80211softmac_wx_get_scan_results, + /* 802.11 specific support */ + WX(SIOCSIWESSID) = ieee80211softmac_wx_set_essid, + WX(SIOCGIWESSID) = ieee80211softmac_wx_get_essid, + WX(SIOCSIWNICKN) = bcm43xx_wx_set_nick, + WX(SIOCGIWNICKN) = bcm43xx_wx_get_nick, + /* Other parameters */ + WX(SIOCSIWRATE) = ieee80211softmac_wx_set_rate, + WX(SIOCGIWRATE) = ieee80211softmac_wx_get_rate, + WX(SIOCSIWRTS) = bcm43xx_wx_set_rts, + WX(SIOCGIWRTS) = bcm43xx_wx_get_rts, + WX(SIOCSIWFRAG) = bcm43xx_wx_set_frag, + WX(SIOCGIWFRAG) = bcm43xx_wx_get_frag, + WX(SIOCSIWTXPOW) = bcm43xx_wx_set_xmitpower, + WX(SIOCGIWTXPOW) = bcm43xx_wx_get_xmitpower, +//TODO WX(SIOCSIWRETRY) = bcm43xx_wx_set_retry, +//TODO WX(SIOCGIWRETRY) = bcm43xx_wx_get_retry, + /* Encoding */ + WX(SIOCSIWENCODE) = bcm43xx_wx_set_encoding, + WX(SIOCGIWENCODE) = bcm43xx_wx_get_encoding, + WX(SIOCSIWENCODEEXT) = bcm43xx_wx_set_encodingext, + WX(SIOCGIWENCODEEXT) = bcm43xx_wx_get_encodingext, + /* Power saving */ +//TODO WX(SIOCSIWPOWER) = bcm43xx_wx_set_power, +//TODO WX(SIOCGIWPOWER) = bcm43xx_wx_get_power, + WX(SIOCSIWGENIE) = ieee80211softmac_wx_set_genie, + WX(SIOCGIWGENIE) = ieee80211softmac_wx_get_genie, + WX(SIOCSIWAUTH) = ieee80211_wx_set_auth, + WX(SIOCGIWAUTH) = ieee80211_wx_get_auth, +}; +#undef WX + +static const iw_handler bcm43xx_priv_wx_handlers[] = { + /* Set Interference Mitigation Mode. */ + bcm43xx_wx_set_interfmode, + /* Get Interference Mitigation Mode. */ + bcm43xx_wx_get_interfmode, + /* Enable/Disable Short Preamble mode. */ + bcm43xx_wx_set_shortpreamble, + /* Get Short Preamble mode. */ + bcm43xx_wx_get_shortpreamble, + /* Enable/Disable Software Encryption mode */ + bcm43xx_wx_set_swencryption, + /* Get Software Encryption mode */ + bcm43xx_wx_get_swencryption, + /* Write SRPROM data. */ + bcm43xx_wx_sprom_write, + /* Read SPROM data. */ + bcm43xx_wx_sprom_read, +}; + +#define PRIV_WX_SET_INTERFMODE (SIOCIWFIRSTPRIV + 0) +#define PRIV_WX_GET_INTERFMODE (SIOCIWFIRSTPRIV + 1) +#define PRIV_WX_SET_SHORTPREAMBLE (SIOCIWFIRSTPRIV + 2) +#define PRIV_WX_GET_SHORTPREAMBLE (SIOCIWFIRSTPRIV + 3) +#define PRIV_WX_SET_SWENCRYPTION (SIOCIWFIRSTPRIV + 4) +#define PRIV_WX_GET_SWENCRYPTION (SIOCIWFIRSTPRIV + 5) +#define PRIV_WX_SPROM_WRITE (SIOCIWFIRSTPRIV + 6) +#define PRIV_WX_SPROM_READ (SIOCIWFIRSTPRIV + 7) + +#define PRIV_WX_DUMMY(ioctl) \ + { \ + .cmd = (ioctl), \ + .name = "__unused" \ + } + +static const struct iw_priv_args bcm43xx_priv_wx_args[] = { + { + .cmd = PRIV_WX_SET_INTERFMODE, + .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + .name = "set_interfmode", + }, + { + .cmd = PRIV_WX_GET_INTERFMODE, + .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING, + .name = "get_interfmode", + }, + { + .cmd = PRIV_WX_SET_SHORTPREAMBLE, + .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + .name = "set_shortpreambl", + }, + { + .cmd = PRIV_WX_GET_SHORTPREAMBLE, + .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING, + .name = "get_shortpreambl", + }, + { + .cmd = PRIV_WX_SET_SWENCRYPTION, + .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + .name = "set_swencryption", + }, + { + .cmd = PRIV_WX_GET_SWENCRYPTION, + .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING, + .name = "get_swencryption", + }, + { + .cmd = PRIV_WX_SPROM_WRITE, + .set_args = IW_PRIV_TYPE_CHAR | SPROM_BUFFERSIZE, + .name = "write_sprom", + }, + { + .cmd = PRIV_WX_SPROM_READ, + .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | SPROM_BUFFERSIZE, + .name = "read_sprom", + }, +}; + +const struct iw_handler_def bcm43xx_wx_handlers_def = { + .standard = bcm43xx_wx_handlers, + .num_standard = ARRAY_SIZE(bcm43xx_wx_handlers), + .num_private = ARRAY_SIZE(bcm43xx_priv_wx_handlers), + .num_private_args = ARRAY_SIZE(bcm43xx_priv_wx_args), + .private = bcm43xx_priv_wx_handlers, + .private_args = bcm43xx_priv_wx_args, + .get_wireless_stats = bcm43xx_get_wireless_stats, +}; diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.h b/drivers/net/wireless/bcm43xx/bcm43xx_wx.h new file mode 100644 index 00000000000..1f29ff3aa4c --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.h @@ -0,0 +1,36 @@ +/* + + Broadcom BCM43xx wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + Some parts of the code in this file are derived from the ipw2200 + driver Copyright(c) 2003 - 2004 Intel Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#ifndef BCM43xx_WX_H_ +#define BCM43xx_WX_H_ + +extern const struct iw_handler_def bcm43xx_wx_handlers_def; + +#endif /* BCM43xx_WX_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c new file mode 100644 index 00000000000..d8ece28c079 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c @@ -0,0 +1,582 @@ +/* + + Broadcom BCM43xx wireless driver + + Transmission (TX/RX) related functions. + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mbuesch@freenet.de> + Danny van Dyk <kugelfang@gentoo.org> + Andreas Jaggi <andreas.jaggi@waterwave.ch> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "bcm43xx_xmit.h" + +#include <linux/etherdevice.h> + + +/* Extract the bitrate out of a CCK PLCP header. */ +static u8 bcm43xx_plcp_get_bitrate_cck(struct bcm43xx_plcp_hdr4 *plcp) +{ + switch (plcp->raw[0]) { + case 0x0A: + return IEEE80211_CCK_RATE_1MB; + case 0x14: + return IEEE80211_CCK_RATE_2MB; + case 0x37: + return IEEE80211_CCK_RATE_5MB; + case 0x6E: + return IEEE80211_CCK_RATE_11MB; + } + assert(0); + return 0; +} + +/* Extract the bitrate out of an OFDM PLCP header. */ +static u8 bcm43xx_plcp_get_bitrate_ofdm(struct bcm43xx_plcp_hdr4 *plcp) +{ + switch (plcp->raw[0] & 0xF) { + case 0xB: + return IEEE80211_OFDM_RATE_6MB; + case 0xF: + return IEEE80211_OFDM_RATE_9MB; + case 0xA: + return IEEE80211_OFDM_RATE_12MB; + case 0xE: + return IEEE80211_OFDM_RATE_18MB; + case 0x9: + return IEEE80211_OFDM_RATE_24MB; + case 0xD: + return IEEE80211_OFDM_RATE_36MB; + case 0x8: + return IEEE80211_OFDM_RATE_48MB; + case 0xC: + return IEEE80211_OFDM_RATE_54MB; + } + assert(0); + return 0; +} + +u8 bcm43xx_plcp_get_ratecode_cck(const u8 bitrate) +{ + switch (bitrate) { + case IEEE80211_CCK_RATE_1MB: + return 0x0A; + case IEEE80211_CCK_RATE_2MB: + return 0x14; + case IEEE80211_CCK_RATE_5MB: + return 0x37; + case IEEE80211_CCK_RATE_11MB: + return 0x6E; + } + assert(0); + return 0; +} + +u8 bcm43xx_plcp_get_ratecode_ofdm(const u8 bitrate) +{ + switch (bitrate) { + case IEEE80211_OFDM_RATE_6MB: + return 0xB; + case IEEE80211_OFDM_RATE_9MB: + return 0xF; + case IEEE80211_OFDM_RATE_12MB: + return 0xA; + case IEEE80211_OFDM_RATE_18MB: + return 0xE; + case IEEE80211_OFDM_RATE_24MB: + return 0x9; + case IEEE80211_OFDM_RATE_36MB: + return 0xD; + case IEEE80211_OFDM_RATE_48MB: + return 0x8; + case IEEE80211_OFDM_RATE_54MB: + return 0xC; + } + assert(0); + return 0; +} + +static void bcm43xx_generate_plcp_hdr(struct bcm43xx_plcp_hdr4 *plcp, + const u16 octets, const u8 bitrate, + const int ofdm_modulation) +{ + __le32 *data = &(plcp->data); + __u8 *raw = plcp->raw; + + if (ofdm_modulation) { + *data = bcm43xx_plcp_get_ratecode_ofdm(bitrate); + assert(!(octets & 0xF000)); + *data |= (octets << 5); + *data = cpu_to_le32(*data); + } else { + u32 plen; + + plen = octets * 16 / bitrate; + if ((octets * 16 % bitrate) > 0) { + plen++; + if ((bitrate == IEEE80211_CCK_RATE_11MB) + && ((octets * 8 % 11) < 4)) { + raw[1] = 0x84; + } else + raw[1] = 0x04; + } else + raw[1] = 0x04; + *data |= cpu_to_le32(plen << 16); + raw[0] = bcm43xx_plcp_get_ratecode_cck(bitrate); + } +} + +static u8 bcm43xx_calc_fallback_rate(u8 bitrate) +{ + switch (bitrate) { + case IEEE80211_CCK_RATE_1MB: + return IEEE80211_CCK_RATE_1MB; + case IEEE80211_CCK_RATE_2MB: + return IEEE80211_CCK_RATE_1MB; + case IEEE80211_CCK_RATE_5MB: + return IEEE80211_CCK_RATE_2MB; + case IEEE80211_CCK_RATE_11MB: + return IEEE80211_CCK_RATE_5MB; + case IEEE80211_OFDM_RATE_6MB: + return IEEE80211_CCK_RATE_5MB; + case IEEE80211_OFDM_RATE_9MB: + return IEEE80211_OFDM_RATE_6MB; + case IEEE80211_OFDM_RATE_12MB: + return IEEE80211_OFDM_RATE_9MB; + case IEEE80211_OFDM_RATE_18MB: + return IEEE80211_OFDM_RATE_12MB; + case IEEE80211_OFDM_RATE_24MB: + return IEEE80211_OFDM_RATE_18MB; + case IEEE80211_OFDM_RATE_36MB: + return IEEE80211_OFDM_RATE_24MB; + case IEEE80211_OFDM_RATE_48MB: + return IEEE80211_OFDM_RATE_36MB; + case IEEE80211_OFDM_RATE_54MB: + return IEEE80211_OFDM_RATE_48MB; + } + assert(0); + return 0; +} + +static +__le16 bcm43xx_calc_duration_id(const struct ieee80211_hdr *wireless_header, + u8 bitrate) +{ + const u16 frame_ctl = le16_to_cpu(wireless_header->frame_ctl); + __le16 duration_id = wireless_header->duration_id; + + switch (WLAN_FC_GET_TYPE(frame_ctl)) { + case IEEE80211_FTYPE_DATA: + case IEEE80211_FTYPE_MGMT: + //TODO: Steal the code from ieee80211, once it is completed there. + break; + case IEEE80211_FTYPE_CTL: + /* Use the original duration/id. */ + break; + default: + assert(0); + } + + return duration_id; +} + +static inline +u16 ceiling_div(u16 dividend, u16 divisor) +{ + return ((dividend + divisor - 1) / divisor); +} + +static void bcm43xx_generate_rts(const struct bcm43xx_phyinfo *phy, + struct bcm43xx_txhdr *txhdr, + u16 *flags, + u8 bitrate, + const struct ieee80211_hdr_4addr *wlhdr) +{ + u16 fctl; + u16 dur; + u8 fallback_bitrate; + int ofdm_modulation; + int fallback_ofdm_modulation; +// u8 *sa, *da; + u16 flen; + +//FIXME sa = ieee80211_get_SA((struct ieee80211_hdr *)wlhdr); +//FIXME da = ieee80211_get_DA((struct ieee80211_hdr *)wlhdr); + fallback_bitrate = bcm43xx_calc_fallback_rate(bitrate); + ofdm_modulation = !(ieee80211_is_cck_rate(bitrate)); + fallback_ofdm_modulation = !(ieee80211_is_cck_rate(fallback_bitrate)); + + flen = sizeof(u16) + sizeof(u16) + ETH_ALEN + ETH_ALEN + IEEE80211_FCS_LEN, + bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->rts_cts_plcp), + flen, bitrate, + !ieee80211_is_cck_rate(bitrate)); + bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->rts_cts_fallback_plcp), + flen, fallback_bitrate, + !ieee80211_is_cck_rate(fallback_bitrate)); + fctl = IEEE80211_FTYPE_CTL; + fctl |= IEEE80211_STYPE_RTS; + dur = le16_to_cpu(wlhdr->duration_id); +/*FIXME: should we test for dur==0 here and let it unmodified in this case? + * The following assert checks for this case... + */ +assert(dur); +/*FIXME: The duration calculation is not really correct. + * I am not 100% sure which bitrate to use. We use the RTS rate here, + * but this is likely to be wrong. + */ + if (phy->type == BCM43xx_PHYTYPE_A) { + /* Three times SIFS */ + dur += 16 * 3; + /* Add ACK duration. */ + dur += ceiling_div((16 + 8 * (14 /*bytes*/) + 6) * 10, + bitrate * 4); + /* Add CTS duration. */ + dur += ceiling_div((16 + 8 * (14 /*bytes*/) + 6) * 10, + bitrate * 4); + } else { + /* Three times SIFS */ + dur += 10 * 3; + /* Add ACK duration. */ + dur += ceiling_div(8 * (14 /*bytes*/) * 10, + bitrate); + /* Add CTS duration. */ + dur += ceiling_div(8 * (14 /*bytes*/) * 10, + bitrate); + } + + txhdr->rts_cts_frame_control = cpu_to_le16(fctl); + txhdr->rts_cts_dur = cpu_to_le16(dur); +//printk(BCM43xx_MACFMT " " BCM43xx_MACFMT " " BCM43xx_MACFMT "\n", BCM43xx_MACARG(wlhdr->addr1), BCM43xx_MACARG(wlhdr->addr2), BCM43xx_MACARG(wlhdr->addr3)); +//printk(BCM43xx_MACFMT " " BCM43xx_MACFMT "\n", BCM43xx_MACARG(sa), BCM43xx_MACARG(da)); + memcpy(txhdr->rts_cts_mac1, wlhdr->addr1, ETH_ALEN);//FIXME! +// memcpy(txhdr->rts_cts_mac2, sa, ETH_ALEN); + + *flags |= BCM43xx_TXHDRFLAG_RTSCTS; + *flags |= BCM43xx_TXHDRFLAG_RTS; + if (ofdm_modulation) + *flags |= BCM43xx_TXHDRFLAG_RTSCTS_OFDM; + if (fallback_ofdm_modulation) + *flags |= BCM43xx_TXHDRFLAG_RTSCTSFALLBACK_OFDM; +} + +void bcm43xx_generate_txhdr(struct bcm43xx_private *bcm, + struct bcm43xx_txhdr *txhdr, + const unsigned char *fragment_data, + const unsigned int fragment_len, + const int is_first_fragment, + const u16 cookie) +{ + const struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + const struct ieee80211_hdr_4addr *wireless_header = (const struct ieee80211_hdr_4addr *)fragment_data; + const struct ieee80211_security *secinfo = &bcm->ieee->sec; + u8 bitrate; + u8 fallback_bitrate; + int ofdm_modulation; + int fallback_ofdm_modulation; + u16 plcp_fragment_len = fragment_len; + u16 flags = 0; + u16 control = 0; + u16 wsec_rate = 0; + u16 encrypt_frame; + + /* Now construct the TX header. */ + memset(txhdr, 0, sizeof(*txhdr)); + + bitrate = bcm->softmac->txrates.default_rate; + ofdm_modulation = !(ieee80211_is_cck_rate(bitrate)); + fallback_bitrate = bcm43xx_calc_fallback_rate(bitrate); + fallback_ofdm_modulation = !(ieee80211_is_cck_rate(fallback_bitrate)); + + /* Set Frame Control from 80211 header. */ + txhdr->frame_control = wireless_header->frame_ctl; + /* Copy address1 from 80211 header. */ + memcpy(txhdr->mac1, wireless_header->addr1, 6); + /* Set the fallback duration ID. */ + txhdr->fallback_dur_id = bcm43xx_calc_duration_id((const struct ieee80211_hdr *)wireless_header, + fallback_bitrate); + /* Set the cookie (used as driver internal ID for the frame) */ + txhdr->cookie = cpu_to_le16(cookie); + + /* Hardware appends FCS. */ + plcp_fragment_len += IEEE80211_FCS_LEN; + + /* Hardware encryption. */ + encrypt_frame = le16_to_cpup(&wireless_header->frame_ctl) & IEEE80211_FCTL_PROTECTED; + if (encrypt_frame && !bcm->ieee->host_encrypt) { + const struct ieee80211_hdr_3addr *hdr = (struct ieee80211_hdr_3addr *)wireless_header; + memcpy(txhdr->wep_iv, hdr->payload, 4); + /* Hardware appends ICV. */ + plcp_fragment_len += 4; + + wsec_rate |= (bcm->key[secinfo->active_key].algorithm << BCM43xx_TXHDR_WSEC_ALGO_SHIFT) + & BCM43xx_TXHDR_WSEC_ALGO_MASK; + wsec_rate |= (secinfo->active_key << BCM43xx_TXHDR_WSEC_KEYINDEX_SHIFT) + & BCM43xx_TXHDR_WSEC_KEYINDEX_MASK; + } + + /* Generate the PLCP header and the fallback PLCP header. */ + bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->plcp), + plcp_fragment_len, + bitrate, ofdm_modulation); + bcm43xx_generate_plcp_hdr(&txhdr->fallback_plcp, plcp_fragment_len, + fallback_bitrate, fallback_ofdm_modulation); + + /* Set the CONTROL field */ + if (ofdm_modulation) + control |= BCM43xx_TXHDRCTL_OFDM; + if (bcm->short_preamble) //FIXME: could be the other way around, please test + control |= BCM43xx_TXHDRCTL_SHORT_PREAMBLE; + control |= (phy->antenna_diversity << BCM43xx_TXHDRCTL_ANTENNADIV_SHIFT) + & BCM43xx_TXHDRCTL_ANTENNADIV_MASK; + + /* Set the FLAGS field */ + if (!is_multicast_ether_addr(wireless_header->addr1) && + !is_broadcast_ether_addr(wireless_header->addr1)) + flags |= BCM43xx_TXHDRFLAG_EXPECTACK; + if (1 /* FIXME: PS poll?? */) + flags |= 0x10; // FIXME: unknown meaning. + if (fallback_ofdm_modulation) + flags |= BCM43xx_TXHDRFLAG_FALLBACKOFDM; + if (is_first_fragment) + flags |= BCM43xx_TXHDRFLAG_FIRSTFRAGMENT; + + /* Set WSEC/RATE field */ + wsec_rate |= (txhdr->plcp.raw[0] << BCM43xx_TXHDR_RATE_SHIFT) + & BCM43xx_TXHDR_RATE_MASK; + + /* Generate the RTS/CTS packet, if required. */ + /* FIXME: We should first try with CTS-to-self, + * if we are on 80211g. If we get too many + * failures (hidden nodes), we should switch back to RTS/CTS. + */ + if (0/*FIXME txctl->use_rts_cts*/) { + bcm43xx_generate_rts(phy, txhdr, &flags, + 0/*FIXME txctl->rts_cts_rate*/, + wireless_header); + } + + txhdr->flags = cpu_to_le16(flags); + txhdr->control = cpu_to_le16(control); + txhdr->wsec_rate = cpu_to_le16(wsec_rate); +} + +static s8 bcm43xx_rssi_postprocess(struct bcm43xx_private *bcm, + u8 in_rssi, int ofdm, + int adjust_2053, int adjust_2050) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + s32 tmp; + + switch (radio->version) { + case 0x2050: + if (ofdm) { + tmp = in_rssi; + if (tmp > 127) + tmp -= 256; + tmp *= 73; + tmp /= 64; + if (adjust_2050) + tmp += 25; + else + tmp -= 3; + } else { + if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { + if (in_rssi > 63) + in_rssi = 63; + tmp = radio->nrssi_lt[in_rssi]; + tmp = 31 - tmp; + tmp *= -131; + tmp /= 128; + tmp -= 57; + } else { + tmp = in_rssi; + tmp = 31 - tmp; + tmp *= -149; + tmp /= 128; + tmp -= 68; + } + if (phy->type == BCM43xx_PHYTYPE_G && + adjust_2050) + tmp += 25; + } + break; + case 0x2060: + if (in_rssi > 127) + tmp = in_rssi - 256; + else + tmp = in_rssi; + break; + default: + tmp = in_rssi; + tmp -= 11; + tmp *= 103; + tmp /= 64; + if (adjust_2053) + tmp -= 109; + else + tmp -= 83; + } + + return (s8)tmp; +} + +//TODO +#if 0 +static s8 bcm43xx_rssinoise_postprocess(struct bcm43xx_private *bcm, + u8 in_rssi) +{ + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + s8 ret; + + if (phy->type == BCM43xx_PHYTYPE_A) { + //TODO: Incomplete specs. + ret = 0; + } else + ret = bcm43xx_rssi_postprocess(bcm, in_rssi, 0, 1, 1); + + return ret; +} +#endif + +int bcm43xx_rx(struct bcm43xx_private *bcm, + struct sk_buff *skb, + struct bcm43xx_rxhdr *rxhdr) +{ + struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_plcp_hdr4 *plcp; + struct ieee80211_rx_stats stats; + struct ieee80211_hdr_4addr *wlhdr; + u16 frame_ctl; + int is_packet_for_us = 0; + int err = -EINVAL; + const u16 rxflags1 = le16_to_cpu(rxhdr->flags1); + const u16 rxflags2 = le16_to_cpu(rxhdr->flags2); + const u16 rxflags3 = le16_to_cpu(rxhdr->flags3); + const int is_ofdm = !!(rxflags1 & BCM43xx_RXHDR_FLAGS1_OFDM); + + if (rxflags2 & BCM43xx_RXHDR_FLAGS2_TYPE2FRAME) { + plcp = (struct bcm43xx_plcp_hdr4 *)(skb->data + 2); + /* Skip two unknown bytes and the PLCP header. */ + skb_pull(skb, 2 + sizeof(struct bcm43xx_plcp_hdr6)); + } else { + plcp = (struct bcm43xx_plcp_hdr4 *)(skb->data); + /* Skip the PLCP header. */ + skb_pull(skb, sizeof(struct bcm43xx_plcp_hdr6)); + } + /* The SKB contains the PAYLOAD (wireless header + data) + * at this point. The FCS at the end is stripped. + */ + + memset(&stats, 0, sizeof(stats)); + stats.mac_time = le16_to_cpu(rxhdr->mactime); + stats.rssi = bcm43xx_rssi_postprocess(bcm, rxhdr->rssi, is_ofdm, + !!(rxflags1 & BCM43xx_RXHDR_FLAGS1_2053RSSIADJ), + !!(rxflags3 & BCM43xx_RXHDR_FLAGS3_2050RSSIADJ)); + stats.signal = rxhdr->signal_quality; //FIXME +//TODO stats.noise = + if (is_ofdm) + stats.rate = bcm43xx_plcp_get_bitrate_ofdm(plcp); + else + stats.rate = bcm43xx_plcp_get_bitrate_cck(plcp); +//printk("RX ofdm %d, rate == %u\n", is_ofdm, stats.rate); + stats.received_channel = radio->channel; +//TODO stats.control = + stats.mask = IEEE80211_STATMASK_SIGNAL | +//TODO IEEE80211_STATMASK_NOISE | + IEEE80211_STATMASK_RATE | + IEEE80211_STATMASK_RSSI; + if (phy->type == BCM43xx_PHYTYPE_A) + stats.freq = IEEE80211_52GHZ_BAND; + else + stats.freq = IEEE80211_24GHZ_BAND; + stats.len = skb->len; + + bcm->stats.last_rx = jiffies; + if (bcm->ieee->iw_mode == IW_MODE_MONITOR) { + err = ieee80211_rx(bcm->ieee, skb, &stats); + return (err == 0) ? -EINVAL : 0; + } + + wlhdr = (struct ieee80211_hdr_4addr *)(skb->data); + + switch (bcm->ieee->iw_mode) { + case IW_MODE_ADHOC: + if (memcmp(wlhdr->addr1, bcm->net_dev->dev_addr, ETH_ALEN) == 0 || + memcmp(wlhdr->addr3, bcm->ieee->bssid, ETH_ALEN) == 0 || + is_broadcast_ether_addr(wlhdr->addr1) || + is_multicast_ether_addr(wlhdr->addr1) || + bcm->net_dev->flags & IFF_PROMISC) + is_packet_for_us = 1; + break; + case IW_MODE_INFRA: + default: + /* When receiving multicast or broadcast packets, filter out + the packets we send ourself; we shouldn't see those */ + if (memcmp(wlhdr->addr3, bcm->ieee->bssid, ETH_ALEN) == 0 || + memcmp(wlhdr->addr1, bcm->net_dev->dev_addr, ETH_ALEN) == 0 || + (memcmp(wlhdr->addr3, bcm->net_dev->dev_addr, ETH_ALEN) && + (is_broadcast_ether_addr(wlhdr->addr1) || + is_multicast_ether_addr(wlhdr->addr1) || + bcm->net_dev->flags & IFF_PROMISC))) + is_packet_for_us = 1; + break; + } + + frame_ctl = le16_to_cpu(wlhdr->frame_ctl); + if ((frame_ctl & IEEE80211_FCTL_PROTECTED) && !bcm->ieee->host_decrypt) { + frame_ctl &= ~IEEE80211_FCTL_PROTECTED; + wlhdr->frame_ctl = cpu_to_le16(frame_ctl); + /* trim IV and ICV */ + /* FIXME: this must be done only for WEP encrypted packets */ + if (skb->len < 32) { + dprintkl(KERN_ERR PFX "RX packet dropped (PROTECTED flag " + "set and length < 32)\n"); + return -EINVAL; + } else { + memmove(skb->data + 4, skb->data, 24); + skb_pull(skb, 4); + skb_trim(skb, skb->len - 4); + stats.len -= 8; + } + wlhdr = (struct ieee80211_hdr_4addr *)(skb->data); + } + + switch (WLAN_FC_GET_TYPE(frame_ctl)) { + case IEEE80211_FTYPE_MGMT: + ieee80211_rx_mgt(bcm->ieee, wlhdr, &stats); + break; + case IEEE80211_FTYPE_DATA: + if (is_packet_for_us) { + err = ieee80211_rx(bcm->ieee, skb, &stats); + err = (err == 0) ? -EINVAL : 0; + } + break; + case IEEE80211_FTYPE_CTL: + break; + default: + assert(0); + return -EINVAL; + } + + return err; +} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.h b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.h new file mode 100644 index 00000000000..2aed19e35c7 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.h @@ -0,0 +1,156 @@ +#ifndef BCM43xx_XMIT_H_ +#define BCM43xx_XMIT_H_ + +#include "bcm43xx_main.h" + + +#define _bcm43xx_declare_plcp_hdr(size) \ + struct bcm43xx_plcp_hdr##size { \ + union { \ + __le32 data; \ + __u8 raw[size]; \ + } __attribute__((__packed__)); \ + } __attribute__((__packed__)) + +/* struct bcm43xx_plcp_hdr4 */ +_bcm43xx_declare_plcp_hdr(4); +/* struct bcm43xx_plcp_hdr6 */ +_bcm43xx_declare_plcp_hdr(6); + +#undef _bcm43xx_declare_plcp_hdr + +/* Device specific TX header. To be prepended to TX frames. */ +struct bcm43xx_txhdr { + union { + struct { + __le16 flags; + __le16 wsec_rate; + __le16 frame_control; + u16 unknown_zeroed_0; + __le16 control; + u8 wep_iv[10]; + u8 unknown_wsec_tkip_data[3]; //FIXME + PAD_BYTES(3); + u8 mac1[6]; + u16 unknown_zeroed_1; + struct bcm43xx_plcp_hdr4 rts_cts_fallback_plcp; + __le16 rts_cts_dur_fallback; + struct bcm43xx_plcp_hdr4 fallback_plcp; + __le16 fallback_dur_id; + PAD_BYTES(2); + __le16 cookie; + __le16 unknown_scb_stuff; //FIXME + struct bcm43xx_plcp_hdr6 rts_cts_plcp; + __le16 rts_cts_frame_control; + __le16 rts_cts_dur; + u8 rts_cts_mac1[6]; + u8 rts_cts_mac2[6]; + PAD_BYTES(2); + struct bcm43xx_plcp_hdr6 plcp; + } __attribute__((__packed__)); + u8 raw[82]; + } __attribute__((__packed__)); +} __attribute__((__packed__)); + +/* Values/Masks for the device TX header */ +#define BCM43xx_TXHDRFLAG_EXPECTACK 0x0001 +#define BCM43xx_TXHDRFLAG_RTSCTS 0x0002 +#define BCM43xx_TXHDRFLAG_RTS 0x0004 +#define BCM43xx_TXHDRFLAG_FIRSTFRAGMENT 0x0008 +#define BCM43xx_TXHDRFLAG_DESTPSMODE 0x0020 +#define BCM43xx_TXHDRFLAG_RTSCTS_OFDM 0x0080 +#define BCM43xx_TXHDRFLAG_FALLBACKOFDM 0x0100 +#define BCM43xx_TXHDRFLAG_RTSCTSFALLBACK_OFDM 0x0200 +#define BCM43xx_TXHDRFLAG_CTS 0x0400 +#define BCM43xx_TXHDRFLAG_FRAMEBURST 0x0800 + +#define BCM43xx_TXHDRCTL_OFDM 0x0001 +#define BCM43xx_TXHDRCTL_SHORT_PREAMBLE 0x0010 +#define BCM43xx_TXHDRCTL_ANTENNADIV_MASK 0x0030 +#define BCM43xx_TXHDRCTL_ANTENNADIV_SHIFT 8 + +#define BCM43xx_TXHDR_RATE_MASK 0x0F00 +#define BCM43xx_TXHDR_RATE_SHIFT 8 +#define BCM43xx_TXHDR_RTSRATE_MASK 0xF000 +#define BCM43xx_TXHDR_RTSRATE_SHIFT 12 +#define BCM43xx_TXHDR_WSEC_KEYINDEX_MASK 0x00F0 +#define BCM43xx_TXHDR_WSEC_KEYINDEX_SHIFT 4 +#define BCM43xx_TXHDR_WSEC_ALGO_MASK 0x0003 +#define BCM43xx_TXHDR_WSEC_ALGO_SHIFT 0 + +void bcm43xx_generate_txhdr(struct bcm43xx_private *bcm, + struct bcm43xx_txhdr *txhdr, + const unsigned char *fragment_data, + const unsigned int fragment_len, + const int is_first_fragment, + const u16 cookie); + +/* RX header as received from the hardware. */ +struct bcm43xx_rxhdr { + /* Frame Length. Must be generated explicitely in PIO mode. */ + __le16 frame_length; + PAD_BYTES(2); + /* Flags field 1 */ + __le16 flags1; + u8 rssi; + u8 signal_quality; + PAD_BYTES(2); + /* Flags field 3 */ + __le16 flags3; + /* Flags field 2 */ + __le16 flags2; + /* Lower 16bits of the TSF at the time the frame started. */ + __le16 mactime; + PAD_BYTES(14); +} __attribute__((__packed__)); + +#define BCM43xx_RXHDR_FLAGS1_OFDM (1 << 0) +/*#define BCM43xx_RXHDR_FLAGS1_SIGNAL??? (1 << 3) FIXME */ +#define BCM43xx_RXHDR_FLAGS1_SHORTPREAMBLE (1 << 7) +#define BCM43xx_RXHDR_FLAGS1_2053RSSIADJ (1 << 14) + +#define BCM43xx_RXHDR_FLAGS2_INVALIDFRAME (1 << 0) +#define BCM43xx_RXHDR_FLAGS2_TYPE2FRAME (1 << 2) +/*FIXME: WEP related flags */ + +#define BCM43xx_RXHDR_FLAGS3_2050RSSIADJ (1 << 10) + +/* Transmit Status as received from the hardware. */ +struct bcm43xx_hwxmitstatus { + PAD_BYTES(4); + __le16 cookie; + u8 flags; + u8 cnt1:4, + cnt2:4; + PAD_BYTES(2); + __le16 seq; + __le16 unknown; //FIXME +} __attribute__((__packed__)); + +/* Transmit Status in CPU byteorder. */ +struct bcm43xx_xmitstatus { + u16 cookie; + u8 flags; + u8 cnt1:4, + cnt2:4; + u16 seq; + u16 unknown; //FIXME +}; + +#define BCM43xx_TXSTAT_FLAG_ACK 0x01 +//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x02 +//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x04 +//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x08 +//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x10 +#define BCM43xx_TXSTAT_FLAG_IGNORE 0x20 +//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x40 +//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x80 + +u8 bcm43xx_plcp_get_ratecode_cck(const u8 bitrate); +u8 bcm43xx_plcp_get_ratecode_ofdm(const u8 bitrate); + +int bcm43xx_rx(struct bcm43xx_private *bcm, + struct sk_buff *skb, + struct bcm43xx_rxhdr *rxhdr); + +#endif /* BCM43xx_XMIT_H_ */ diff --git a/drivers/net/wireless/hostap/hostap_80211.h b/drivers/net/wireless/hostap/hostap_80211.h index 1fc72fe511e..cc1ee7f4f5f 100644 --- a/drivers/net/wireless/hostap/hostap_80211.h +++ b/drivers/net/wireless/hostap/hostap_80211.h @@ -92,8 +92,6 @@ void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, void hostap_dump_tx_80211(const char *name, struct sk_buff *skb); int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev); int hostap_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev); -struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, - struct ieee80211_crypt_data *crypt); int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev); #endif /* HOSTAP_80211_H */ diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c index 4a85e63906f..06a5214145e 100644 --- a/drivers/net/wireless/hostap/hostap_80211_tx.c +++ b/drivers/net/wireless/hostap/hostap_80211_tx.c @@ -299,8 +299,8 @@ int hostap_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Called only from software IRQ */ -struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, - struct ieee80211_crypt_data *crypt) +static struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, + struct ieee80211_crypt_data *crypt) { struct hostap_interface *iface; local_info_t *local; @@ -317,7 +317,7 @@ struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, } if (local->tkip_countermeasures && - crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) { + strcmp(crypt->ops->name, "TKIP") == 0) { hdr = (struct ieee80211_hdr_4addr *) skb->data; if (net_ratelimit()) { printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " @@ -469,7 +469,7 @@ int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev) } if (local->ieee_802_1x && meta->ethertype == ETH_P_PAE && tx.crypt && - !(fc & IEEE80211_FCTL_VERS)) { + !(fc & IEEE80211_FCTL_PROTECTED)) { no_encrypt = 1; PDEBUG(DEBUG_EXTRA2, "%s: TX: IEEE 802.1X - passing " "unencrypted EAPOL frame\n", dev->name); @@ -535,5 +535,4 @@ int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev) EXPORT_SYMBOL(hostap_dump_tx_80211); -EXPORT_SYMBOL(hostap_tx_encrypt); EXPORT_SYMBOL(hostap_master_start_xmit); diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index d335b250923..55bed923fbe 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -42,7 +42,7 @@ MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry"); /* struct local_info::hw_priv */ struct hostap_cs_priv { dev_node_t node; - dev_link_t *link; + struct pcmcia_device *link; int sandisk_connectplus; }; @@ -204,15 +204,13 @@ static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) static void prism2_detach(struct pcmcia_device *p_dev); static void prism2_release(u_long arg); -static int prism2_config(dev_link_t *link); +static int prism2_config(struct pcmcia_device *link); static int prism2_pccard_card_present(local_info_t *local) { struct hostap_cs_priv *hw_priv = local->hw_priv; - if (hw_priv != NULL && hw_priv->link != NULL && - ((hw_priv->link->state & (DEV_PRESENT | DEV_CONFIG)) == - (DEV_PRESENT | DEV_CONFIG))) + if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link)) return 1; return 0; } @@ -237,7 +235,7 @@ static void sandisk_set_iobase(local_info_t *local) reg.Action = CS_WRITE; reg.Offset = 0x10; /* 0x3f0 IO base 1 */ reg.Value = hw_priv->link->io.BasePort1 & 0x00ff; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -" @@ -249,7 +247,7 @@ static void sandisk_set_iobase(local_info_t *local) reg.Action = CS_WRITE; reg.Offset = 0x12; /* 0x3f2 IO base 2 */ reg.Value = (hw_priv->link->io.BasePort1 & 0xff00) >> 8; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -" @@ -301,9 +299,9 @@ static int sandisk_enable_wireless(struct net_device *dev) tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) || - pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) || - pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) || + if (pcmcia_get_first_tuple(hw_priv->link, &tuple) || + pcmcia_get_tuple_data(hw_priv->link, &tuple) || + pcmcia_parse_tuple(hw_priv->link, &tuple, parse) || parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) { /* No SanDisk manfid found */ ret = -ENODEV; @@ -311,9 +309,9 @@ static int sandisk_enable_wireless(struct net_device *dev) } tuple.DesiredTuple = CISTPL_LONGLINK_MFC; - if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) || - pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) || - pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) || + if (pcmcia_get_first_tuple(hw_priv->link, &tuple) || + pcmcia_get_tuple_data(hw_priv->link, &tuple) || + pcmcia_parse_tuple(hw_priv->link, &tuple, parse) || parse->longlink_mfc.nfn < 2) { /* No multi-function links found */ ret = -ENODEV; @@ -328,7 +326,7 @@ static int sandisk_enable_wireless(struct net_device *dev) reg.Action = CS_WRITE; reg.Offset = CISREG_COR; reg.Value = COR_SOFT_RESET; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n", @@ -345,7 +343,7 @@ static int sandisk_enable_wireless(struct net_device *dev) * will be enabled during the first cor_sreset call. */ reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n", @@ -380,7 +378,7 @@ static void prism2_pccard_cor_sreset(local_info_t *local) reg.Action = CS_READ; reg.Offset = CISREG_COR; reg.Value = 0; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n", @@ -392,7 +390,7 @@ static void prism2_pccard_cor_sreset(local_info_t *local) reg.Action = CS_WRITE; reg.Value |= COR_SOFT_RESET; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n", @@ -405,7 +403,7 @@ static void prism2_pccard_cor_sreset(local_info_t *local) reg.Value &= ~COR_SOFT_RESET; if (hw_priv->sandisk_connectplus) reg.Value |= COR_IREQ_ENA; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n", @@ -439,7 +437,7 @@ static void prism2_pccard_genesis_reset(local_info_t *local, int hcr) reg.Action = CS_READ; reg.Offset = CISREG_COR; reg.Value = 0; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 " @@ -452,7 +450,7 @@ static void prism2_pccard_genesis_reset(local_info_t *local, int hcr) reg.Action = CS_WRITE; reg.Value |= COR_SOFT_RESET; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 " @@ -466,7 +464,7 @@ static void prism2_pccard_genesis_reset(local_info_t *local, int hcr) reg.Action = CS_WRITE; reg.Value = hcr; reg.Offset = CISREG_CCSR; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 " @@ -478,7 +476,7 @@ static void prism2_pccard_genesis_reset(local_info_t *local, int hcr) reg.Action = CS_WRITE; reg.Offset = CISREG_COR; reg.Value = old_cor & ~COR_SOFT_RESET; - res = pcmcia_access_configuration_register(hw_priv->link->handle, + res = pcmcia_access_configuration_register(hw_priv->link, ®); if (res != CS_SUCCESS) { printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 " @@ -501,40 +499,27 @@ static struct prism2_helper_functions prism2_pccard_funcs = /* allocate local data and register with CardServices * initialize dev_link structure, but do not configure the card yet */ -static int prism2_attach(struct pcmcia_device *p_dev) +static int hostap_cs_probe(struct pcmcia_device *p_dev) { - dev_link_t *link; - - link = kmalloc(sizeof(dev_link_t), GFP_KERNEL); - if (link == NULL) - return -ENOMEM; - - memset(link, 0, sizeof(dev_link_t)); + int ret; PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info); - link->conf.Vcc = 33; - link->conf.IntType = INT_MEMORY_AND_IO; - - link->handle = p_dev; - p_dev->instance = link; + p_dev->conf.IntType = INT_MEMORY_AND_IO; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - if (prism2_config(link)) + ret = prism2_config(p_dev); + if (ret) { PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n"); + } - return 0; + return ret; } -static void prism2_detach(struct pcmcia_device *p_dev) +static void prism2_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - PDEBUG(DEBUG_FLOW, "prism2_detach\n"); - if (link->state & DEV_CONFIG) { - prism2_release((u_long)link); - } + prism2_release((u_long)link); /* release net devices */ if (link->priv) { @@ -547,7 +532,6 @@ static void prism2_detach(struct pcmcia_device *p_dev) prism2_free_local_data(dev); kfree(hw_priv); } - kfree(link); } @@ -558,7 +542,7 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) do { int ret = (retf); \ if (ret != 0) { \ PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \ - cs_error(link->handle, fn, ret); \ + cs_error(link, fn, ret); \ goto next_entry; \ } \ } while (0) @@ -566,7 +550,7 @@ if (ret != 0) { \ /* run after a CARD_INSERTION event is received to configure the PCMCIA * socket and make the device available to the system */ -static int prism2_config(dev_link_t *link) +static int prism2_config(struct pcmcia_device *link) { struct net_device *dev; struct hostap_interface *iface; @@ -595,27 +579,24 @@ static int prism2_config(dev_link_t *link) tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, parse)); link->conf.ConfigBase = parse->config.base; link->conf.Present = parse->config.rmask[0]; CS_CHECK(GetConfigurationInfo, - pcmcia_get_configuration_info(link->handle, &conf)); - PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info, - ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc); - link->conf.Vcc = conf.Vcc; + pcmcia_get_configuration_info(link, &conf)); /* Look for an appropriate configuration table entry in the CIS */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); for (;;) { cistpl_cftable_entry_t *cfg = &(parse->cftable_entry); CFG_CHECK2(GetTupleData, - pcmcia_get_tuple_data(link->handle, &tuple)); + pcmcia_get_tuple_data(link, &tuple)); CFG_CHECK2(ParseTuple, - pcmcia_parse_tuple(link->handle, &tuple, parse)); + pcmcia_parse_tuple(link, &tuple, parse)); if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; @@ -650,10 +631,10 @@ static int prism2_config(dev_link_t *link) } if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; /* Do we need to allocate an interrupt? */ @@ -695,19 +676,19 @@ static int prism2_config(dev_link_t *link) /* This reserves IO space but doesn't actually enable it */ CFG_CHECK2(RequestIO, - pcmcia_request_io(link->handle, &link->io)); + pcmcia_request_io(link, &link->io)); /* This configuration table entry is OK */ break; next_entry: CS_CHECK(GetNextTuple, - pcmcia_get_next_tuple(link->handle, &tuple)); + pcmcia_get_next_tuple(link, &tuple)); } /* Need to allocate net_device before requesting IRQ handler */ dev = prism2_init_local_data(&prism2_pccard_funcs, 0, - &handle_to_dev(link->handle)); + &handle_to_dev(link)); if (dev == NULL) goto failed; link->priv = dev; @@ -717,7 +698,7 @@ static int prism2_config(dev_link_t *link) local->hw_priv = hw_priv; hw_priv->link = link; strcpy(hw_priv->node.dev_name, dev->name); - link->dev = &hw_priv->node; + link->dev_node = &hw_priv->node; /* * Allocate an interrupt line. Note that this does not assign a @@ -730,7 +711,7 @@ static int prism2_config(dev_link_t *link) link->irq.Handler = prism2_interrupt; link->irq.Instance = dev; CS_CHECK(RequestIRQ, - pcmcia_request_irq(link->handle, &link->irq)); + pcmcia_request_irq(link, &link->irq)); } /* @@ -739,18 +720,17 @@ static int prism2_config(dev_link_t *link) * card and host interface into "Memory and IO" mode. */ CS_CHECK(RequestConfiguration, - pcmcia_request_configuration(link->handle, &link->conf)); + pcmcia_request_configuration(link, &link->conf)); dev->irq = link->irq.AssignedIRQ; dev->base_addr = link->io.BasePort1; /* Finally, report what we've done */ - printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d", - dev_info, link->conf.ConfigIndex, - link->conf.Vcc / 10, link->conf.Vcc % 10); - if (link->conf.Vpp1) - printk(", Vpp %d.%d", link->conf.Vpp1 / 10, - link->conf.Vpp1 % 10); + printk(KERN_INFO "%s: index 0x%02x: ", + dev_info, link->conf.ConfigIndex); + if (link->conf.Vpp) + printk(", Vpp %d.%d", link->conf.Vpp / 10, + link->conf.Vpp % 10); if (link->conf.Attributes & CONF_ENABLE_IRQ) printk(", irq %d", link->irq.AssignedIRQ); if (link->io.NumPorts1) @@ -761,9 +741,6 @@ static int prism2_config(dev_link_t *link) link->io.BasePort2+link->io.NumPorts2-1); printk("\n"); - link->state |= DEV_CONFIG; - link->state &= ~DEV_CONFIG_PENDING; - local->shutdown = 0; sandisk_enable_wireless(dev); @@ -778,7 +755,7 @@ static int prism2_config(dev_link_t *link) return ret; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); failed: kfree(parse); @@ -790,7 +767,7 @@ static int prism2_config(dev_link_t *link) static void prism2_release(u_long arg) { - dev_link_t *link = (dev_link_t *)arg; + struct pcmcia_device *link = (struct pcmcia_device *)arg; PDEBUG(DEBUG_FLOW, "prism2_release\n"); @@ -799,71 +776,54 @@ static void prism2_release(u_long arg) struct hostap_interface *iface; iface = netdev_priv(dev); - if (link->state & DEV_CONFIG) - prism2_hw_shutdown(dev, 0); + prism2_hw_shutdown(dev, 0); iface->local->shutdown = 1; } - if (link->win) - pcmcia_release_window(link->win); - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); - - link->state &= ~DEV_CONFIG; - + pcmcia_disable_device(link); PDEBUG(DEBUG_FLOW, "release - done\n"); } -static int hostap_cs_suspend(struct pcmcia_device *p_dev) +static int hostap_cs_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = (struct net_device *) link->priv; int dev_open = 0; + struct hostap_interface *iface = NULL; - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info); - - link->state |= DEV_SUSPEND; + if (dev) + iface = netdev_priv(dev); - if (link->state & DEV_CONFIG) { - struct hostap_interface *iface = netdev_priv(dev); - if (iface && iface->local) - dev_open = iface->local->num_dev_open > 0; - if (dev_open) { - netif_stop_queue(dev); - netif_device_detach(dev); - } - prism2_suspend(dev); - pcmcia_release_configuration(link->handle); + PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info); + if (iface && iface->local) + dev_open = iface->local->num_dev_open > 0; + if (dev_open) { + netif_stop_queue(dev); + netif_device_detach(dev); } + prism2_suspend(dev); return 0; } -static int hostap_cs_resume(struct pcmcia_device *p_dev) +static int hostap_cs_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = (struct net_device *) link->priv; int dev_open = 0; + struct hostap_interface *iface = NULL; - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info); + if (dev) + iface = netdev_priv(dev); - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - struct hostap_interface *iface = netdev_priv(dev); - if (iface && iface->local) - dev_open = iface->local->num_dev_open > 0; + PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info); - pcmcia_request_configuration(link->handle, &link->conf); + if (iface && iface->local) + dev_open = iface->local->num_dev_open > 0; - prism2_hw_shutdown(dev, 1); - prism2_hw_config(dev, dev_open ? 0 : 1); - if (dev_open) { - netif_device_attach(dev); - netif_start_queue(dev); - } + prism2_hw_shutdown(dev, 1); + prism2_hw_config(dev, dev_open ? 0 : 1); + if (dev_open) { + netif_device_attach(dev); + netif_start_queue(dev); } return 0; @@ -930,7 +890,7 @@ static struct pcmcia_driver hostap_driver = { .drv = { .name = "hostap_cs", }, - .probe = prism2_attach, + .probe = hostap_cs_probe, .remove = prism2_detach, .owner = THIS_MODULE, .id_table = hostap_cs_ids, diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 9dce522526c..bca89cff85a 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -5573,8 +5573,7 @@ static void ipw_adhoc_create(struct ipw_priv *priv, case IEEE80211_52GHZ_BAND: network->mode = IEEE_A; i = ieee80211_channel_to_index(priv->ieee, priv->channel); - if (i == -1) - BUG(); + BUG_ON(i == -1); if (geo->a[i].flags & IEEE80211_CH_PASSIVE_ONLY) { IPW_WARNING("Overriding invalid channel\n"); priv->channel = geo->a[0].channel; @@ -5587,8 +5586,7 @@ static void ipw_adhoc_create(struct ipw_priv *priv, else network->mode = IEEE_B; i = ieee80211_channel_to_index(priv->ieee, priv->channel); - if (i == -1) - BUG(); + BUG_ON(i == -1); if (geo->bg[i].flags & IEEE80211_CH_PASSIVE_ONLY) { IPW_WARNING("Overriding invalid channel\n"); priv->channel = geo->bg[0].channel; @@ -6715,8 +6713,7 @@ static int ipw_qos_association(struct ipw_priv *priv, switch (priv->ieee->iw_mode) { case IW_MODE_ADHOC: - if (!(network->capability & WLAN_CAPABILITY_IBSS)) - BUG(); + BUG_ON(!(network->capability & WLAN_CAPABILITY_IBSS)); qos_data = &ibss_data; break; diff --git a/drivers/net/wireless/netwave_cs.c b/drivers/net/wireless/netwave_cs.c index 75ce6ddb0cf..9343d970537 100644 --- a/drivers/net/wireless/netwave_cs.c +++ b/drivers/net/wireless/netwave_cs.c @@ -190,8 +190,8 @@ module_param(mem_speed, int, 0); /*====================================================================*/ /* PCMCIA (Card Services) related functions */ -static void netwave_release(dev_link_t *link); /* Card removal */ -static void netwave_pcmcia_config(dev_link_t *arg); /* Runs after card +static void netwave_release(struct pcmcia_device *link); /* Card removal */ +static int netwave_pcmcia_config(struct pcmcia_device *arg); /* Runs after card insertion */ static void netwave_detach(struct pcmcia_device *p_dev); /* Destroy instance */ @@ -221,10 +221,10 @@ static struct iw_statistics* netwave_get_wireless_stats(struct net_device *dev); static void set_multicast_list(struct net_device *dev); /* - A dev_link_t structure has fields for most things that are needed + A struct pcmcia_device structure has fields for most things that are needed to keep track of a socket, but there will usually be some device specific information that also needs to be kept track of. The - 'priv' pointer in a dev_link_t structure can be used to point to + 'priv' pointer in a struct pcmcia_device structure can be used to point to a device-specific private data structure, like this. A driver needs to provide a dev_node_t structure for each device @@ -232,7 +232,7 @@ static void set_multicast_list(struct net_device *dev); example, ethernet cards, modems). In other cases, there may be many actual or logical devices (SCSI adapters, memory cards with multiple partitions). The dev_node_t structures need to be kept - in a linked list starting at the 'dev' field of a dev_link_t + in a linked list starting at the 'dev' field of a struct pcmcia_device structure. We allocate them in the card's private data structure, because they generally can't be allocated dynamically. */ @@ -268,7 +268,7 @@ struct site_survey { }; typedef struct netwave_private { - dev_link_t link; + struct pcmcia_device *p_dev; spinlock_t spinlock; /* Serialize access to the hardware (SMP) */ dev_node_t node; u_char __iomem *ramBase; @@ -376,20 +376,19 @@ static struct iw_statistics *netwave_get_wireless_stats(struct net_device *dev) * configure the card at this point -- we wait until we receive a * card insertion event. */ -static int netwave_attach(struct pcmcia_device *p_dev) +static int netwave_probe(struct pcmcia_device *link) { - dev_link_t *link; struct net_device *dev; netwave_private *priv; DEBUG(0, "netwave_attach()\n"); - /* Initialize the dev_link_t structure */ + /* Initialize the struct pcmcia_device structure */ dev = alloc_etherdev(sizeof(netwave_private)); if (!dev) return -ENOMEM; priv = netdev_priv(dev); - link = &priv->link; + priv->p_dev = link; link->priv = dev; /* The io structure describes IO port mapping */ @@ -406,7 +405,6 @@ static int netwave_attach(struct pcmcia_device *p_dev) /* General socket configuration */ link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 1; link->conf.Present = PRESENT_OPTION; @@ -430,13 +428,7 @@ static int netwave_attach(struct pcmcia_device *p_dev) dev->stop = &netwave_close; link->irq.Instance = dev; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - netwave_pcmcia_config( link); - - return 0; + return netwave_pcmcia_config( link); } /* netwave_attach */ /* @@ -447,17 +439,15 @@ static int netwave_attach(struct pcmcia_device *p_dev) * structures are freed. Otherwise, the structures will be freed * when the device is released. */ -static void netwave_detach(struct pcmcia_device *p_dev) +static void netwave_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; DEBUG(0, "netwave_detach(0x%p)\n", link); - if (link->state & DEV_CONFIG) - netwave_release(link); + netwave_release(link); - if (link->dev) + if (link->dev_node) unregister_netdev(dev); free_netdev(dev); @@ -743,8 +733,7 @@ static const struct iw_handler_def netwave_handler_def = #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void netwave_pcmcia_config(dev_link_t *link) { - client_handle_t handle = link->handle; +static int netwave_pcmcia_config(struct pcmcia_device *link) { struct net_device *dev = link->priv; netwave_private *priv = netdev_priv(dev); tuple_t tuple; @@ -766,15 +755,12 @@ static void netwave_pcmcia_config(dev_link_t *link) { tuple.TupleDataMax = 64; tuple.TupleOffset = 0; tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - /* Configure card */ - link->state |= DEV_CONFIG; - /* * Try allocating IO ports. This tries a few fixed addresses. * If you want, you can also read the card's config table to @@ -782,11 +768,11 @@ static void netwave_pcmcia_config(dev_link_t *link) { */ for (i = j = 0x0; j < 0x400; j += 0x20) { link->io.BasePort1 = j ^ 0x300; - i = pcmcia_request_io(link->handle, &link->io); + i = pcmcia_request_io(link, &link->io); if (i == CS_SUCCESS) break; } if (i != CS_SUCCESS) { - cs_error(link->handle, RequestIO, i); + cs_error(link, RequestIO, i); goto failed; } @@ -794,16 +780,16 @@ static void netwave_pcmcia_config(dev_link_t *link) { * Now allocate an interrupt line. Note that this does not * actually assign a handler to the interrupt. */ - CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); /* * This actually configures the PCMCIA socket -- setting up * the I/O windows and the interrupt mapping. */ - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); /* - * Allocate a 32K memory window. Note that the dev_link_t + * Allocate a 32K memory window. Note that the struct pcmcia_device * structure provides space for one window handle -- if your * device needs several windows, you'll need to keep track of * the handles in your private data structure, dev->priv. @@ -813,7 +799,7 @@ static void netwave_pcmcia_config(dev_link_t *link) { req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_CM|WIN_ENABLE; req.Base = 0; req.Size = 0x8000; req.AccessSpeed = mem_speed; - CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &link->win)); + CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &link->win)); mem.CardOffset = 0x20000; mem.Page = 0; CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem)); @@ -823,7 +809,7 @@ static void netwave_pcmcia_config(dev_link_t *link) { dev->irq = link->irq.AssignedIRQ; dev->base_addr = link->io.BasePort1; - SET_NETDEV_DEV(dev, &handle_to_dev(handle)); + SET_NETDEV_DEV(dev, &handle_to_dev(link)); if (register_netdev(dev) != 0) { printk(KERN_DEBUG "netwave_cs: register_netdev() failed\n"); @@ -831,8 +817,7 @@ static void netwave_pcmcia_config(dev_link_t *link) { } strcpy(priv->node.dev_name, dev->name); - link->dev = &priv->node; - link->state &= ~DEV_CONFIG_PENDING; + link->dev_node = &priv->node; /* Reset card before reading physical address */ netwave_doreset(dev->base_addr, ramBase); @@ -852,12 +837,13 @@ static void netwave_pcmcia_config(dev_link_t *link) { printk(KERN_DEBUG "Netwave_reset: revision %04x %04x\n", get_uint16(ramBase + NETWAVE_EREG_ARW), get_uint16(ramBase + NETWAVE_EREG_ARW+2)); - return; + return 0; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); failed: netwave_release(link); + return -ENODEV; } /* netwave_pcmcia_config */ /* @@ -867,52 +853,35 @@ failed: * device, and release the PCMCIA configuration. If the device is * still open, this will be postponed until it is closed. */ -static void netwave_release(dev_link_t *link) +static void netwave_release(struct pcmcia_device *link) { - struct net_device *dev = link->priv; - netwave_private *priv = netdev_priv(dev); - - DEBUG(0, "netwave_release(0x%p)\n", link); + struct net_device *dev = link->priv; + netwave_private *priv = netdev_priv(dev); - /* Don't bother checking to see if these succeed or not */ - if (link->win) { - iounmap(priv->ramBase); - pcmcia_release_window(link->win); - } - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); + DEBUG(0, "netwave_release(0x%p)\n", link); - link->state &= ~DEV_CONFIG; + pcmcia_disable_device(link); + if (link->win) + iounmap(priv->ramBase); } -static int netwave_suspend(struct pcmcia_device *p_dev) +static int netwave_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } + if (link->open) + netif_device_detach(dev); return 0; } -static int netwave_resume(struct pcmcia_device *p_dev) +static int netwave_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - netwave_reset(dev); - netif_device_attach(dev); - } + if (link->open) { + netwave_reset(dev); + netif_device_attach(dev); } return 0; @@ -1119,7 +1088,7 @@ static irqreturn_t netwave_interrupt(int irq, void* dev_id, struct pt_regs *regs u_char __iomem *ramBase; struct net_device *dev = (struct net_device *)dev_id; struct netwave_private *priv = netdev_priv(dev); - dev_link_t *link = &priv->link; + struct pcmcia_device *link = priv->p_dev; int i; if (!netif_device_present(dev)) @@ -1138,7 +1107,7 @@ static irqreturn_t netwave_interrupt(int irq, void* dev_id, struct pt_regs *regs status = inb(iobase + NETWAVE_REG_ASR); - if (!DEV_OK(link)) { + if (!pcmcia_dev_present(link)) { DEBUG(1, "netwave_interrupt: Interrupt with status 0x%x " "from removed or suspended card!\n", status); break; @@ -1373,11 +1342,11 @@ static int netwave_rx(struct net_device *dev) static int netwave_open(struct net_device *dev) { netwave_private *priv = netdev_priv(dev); - dev_link_t *link = &priv->link; + struct pcmcia_device *link = priv->p_dev; DEBUG(1, "netwave_open: starting.\n"); - if (!DEV_OK(link)) + if (!pcmcia_dev_present(link)) return -ENODEV; link->open++; @@ -1390,7 +1359,7 @@ static int netwave_open(struct net_device *dev) { static int netwave_close(struct net_device *dev) { netwave_private *priv = netdev_priv(dev); - dev_link_t *link = &priv->link; + struct pcmcia_device *link = priv->p_dev; DEBUG(1, "netwave_close: finishing.\n"); @@ -1411,7 +1380,7 @@ static struct pcmcia_driver netwave_driver = { .drv = { .name = "netwave_cs", }, - .probe = netwave_attach, + .probe = netwave_probe, .remove = netwave_detach, .id_table = netwave_ids, .suspend = netwave_suspend, diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c index ec6f2a48895..434f7d7ad84 100644 --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -49,7 +49,7 @@ MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket /* PCMCIA specific device information (goes in the card field of * struct orinoco_private */ struct orinoco_pccard { - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; /* Used to handle hard reset */ @@ -63,8 +63,8 @@ struct orinoco_pccard { /* Function prototypes */ /********************************************************************/ -static void orinoco_cs_config(dev_link_t *link); -static void orinoco_cs_release(dev_link_t *link); +static int orinoco_cs_config(struct pcmcia_device *link); +static void orinoco_cs_release(struct pcmcia_device *link); static void orinoco_cs_detach(struct pcmcia_device *p_dev); /********************************************************************/ @@ -75,13 +75,13 @@ static int orinoco_cs_hard_reset(struct orinoco_private *priv) { struct orinoco_pccard *card = priv->card; - dev_link_t *link = &card->link; + struct pcmcia_device *link = card->p_dev; int err; /* We need atomic ops here, because we're not holding the lock */ set_bit(0, &card->hard_reset_in_progress); - err = pcmcia_reset_card(link->handle, NULL); + err = pcmcia_reset_card(link, NULL); if (err) return err; @@ -104,12 +104,11 @@ orinoco_cs_hard_reset(struct orinoco_private *priv) * configure the card at this point -- we wait until we receive a card * insertion event. */ static int -orinoco_cs_attach(struct pcmcia_device *p_dev) +orinoco_cs_probe(struct pcmcia_device *link) { struct net_device *dev; struct orinoco_private *priv; struct orinoco_pccard *card; - dev_link_t *link; dev = alloc_orinocodev(sizeof(*card), orinoco_cs_hard_reset); if (! dev) @@ -118,7 +117,7 @@ orinoco_cs_attach(struct pcmcia_device *p_dev) card = priv->card; /* Link both structures together */ - link = &card->link; + card->p_dev = link; link->priv = dev; /* Interrupt setup */ @@ -135,16 +134,7 @@ orinoco_cs_attach(struct pcmcia_device *p_dev) link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY_AND_IO; - /* Register with Card Services */ - link->next = NULL; - - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - orinoco_cs_config(link); - - return 0; + return orinoco_cs_config(link); } /* orinoco_cs_attach */ /* @@ -153,16 +143,14 @@ orinoco_cs_attach(struct pcmcia_device *p_dev) * are freed. Otherwise, the structures will be freed when the device * is released. */ -static void orinoco_cs_detach(struct pcmcia_device *p_dev) +static void orinoco_cs_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - if (link->state & DEV_CONFIG) - orinoco_cs_release(link); + orinoco_cs_release(link); - DEBUG(0, PFX "detach: link=%p link->dev=%p\n", link, link->dev); - if (link->dev) { + DEBUG(0, PFX "detach: link=%p link->dev_node=%p\n", link, link->dev_node); + if (link->dev_node) { DEBUG(0, PFX "About to unregister net device %p\n", dev); unregister_netdev(dev); @@ -180,11 +168,10 @@ static void orinoco_cs_detach(struct pcmcia_device *p_dev) last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; \ } while (0) -static void -orinoco_cs_config(dev_link_t *link) +static int +orinoco_cs_config(struct pcmcia_device *link) { struct net_device *dev = link->priv; - client_handle_t handle = link->handle; struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; hermes_t *hw = &priv->hw; @@ -196,7 +183,7 @@ orinoco_cs_config(dev_link_t *link) cisparse_t parse; void __iomem *mem; - CS_CHECK(ValidateCIS, pcmcia_validate_cis(handle, &info)); + CS_CHECK(ValidateCIS, pcmcia_validate_cis(link, &info)); /* * This reads the card's CONFIG tuple to find its @@ -207,19 +194,15 @@ orinoco_cs_config(dev_link_t *link) tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - /* Configure card */ - link->state |= DEV_CONFIG; - /* Look up the current Vcc */ CS_CHECK(GetConfigurationInfo, - pcmcia_get_configuration_info(handle, &conf)); - link->conf.Vcc = conf.Vcc; + pcmcia_get_configuration_info(link, &conf)); /* * In this loop, we scan the CIS for configuration table @@ -236,13 +219,13 @@ orinoco_cs_config(dev_link_t *link) * implementation-defined details. */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); cistpl_cftable_entry_t dflt = { .index = 0 }; - if ( (pcmcia_get_tuple_data(handle, &tuple) != 0) - || (pcmcia_parse_tuple(handle, &tuple, &parse) != 0)) + if ( (pcmcia_get_tuple_data(link, &tuple) != 0) + || (pcmcia_parse_tuple(link, &tuple, &parse) != 0)) goto next_entry; if (cfg->flags & CISTPL_CFTABLE_DEFAULT) @@ -274,10 +257,10 @@ orinoco_cs_config(dev_link_t *link) } if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; /* Do we need to allocate an interrupt? */ @@ -307,7 +290,7 @@ orinoco_cs_config(dev_link_t *link) } /* This reserves IO space but doesn't actually enable it */ - if (pcmcia_request_io(link->handle, &link->io) != 0) + if (pcmcia_request_io(link, &link->io) != 0) goto next_entry; } @@ -317,9 +300,8 @@ orinoco_cs_config(dev_link_t *link) break; next_entry: - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - last_ret = pcmcia_get_next_tuple(handle, &tuple); + pcmcia_disable_device(link); + last_ret = pcmcia_get_next_tuple(link, &tuple); if (last_ret == CS_NO_MORE_ITEMS) { printk(KERN_ERR PFX "GetNextTuple(): No matching " "CIS configuration. Maybe you need the " @@ -333,7 +315,7 @@ orinoco_cs_config(dev_link_t *link) * a handler to the interrupt, unless the 'Handler' member of * the irq structure is initialized. */ - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); /* We initialize the hermes structure before completing PCMCIA * configuration just in case the interrupt handler gets @@ -350,7 +332,7 @@ orinoco_cs_config(dev_link_t *link) * card and host interface into "Memory and IO" mode. */ CS_CHECK(RequestConfiguration, - pcmcia_request_configuration(link->handle, &link->conf)); + pcmcia_request_configuration(link, &link->conf)); /* Ok, we have the configuration, prepare to register the netdev */ dev->base_addr = link->io.BasePort1; @@ -358,7 +340,7 @@ orinoco_cs_config(dev_link_t *link) SET_MODULE_OWNER(dev); card->node.major = card->node.minor = 0; - SET_NETDEV_DEV(dev, &handle_to_dev(handle)); + SET_NETDEV_DEV(dev, &handle_to_dev(link)); /* Tell the stack we exist */ if (register_netdev(dev) != 0) { printk(KERN_ERR PFX "register_netdev() failed\n"); @@ -366,20 +348,18 @@ orinoco_cs_config(dev_link_t *link) } /* At this point, the dev_node_t structure(s) needs to be - * initialized and arranged in a linked list at link->dev. */ + * initialized and arranged in a linked list at link->dev_node. */ strcpy(card->node.dev_name, dev->name); - link->dev = &card->node; /* link->dev being non-NULL is also + link->dev_node = &card->node; /* link->dev_node being non-NULL is also used to indicate that the net_device has been registered */ - link->state &= ~DEV_CONFIG_PENDING; /* Finally, report what we've done */ - printk(KERN_DEBUG "%s: index 0x%02x: Vcc %d.%d", - dev->name, link->conf.ConfigIndex, - link->conf.Vcc / 10, link->conf.Vcc % 10); - if (link->conf.Vpp1) - printk(", Vpp %d.%d", link->conf.Vpp1 / 10, - link->conf.Vpp1 % 10); + printk(KERN_DEBUG "%s: index 0x%02x: ", + dev->name, link->conf.ConfigIndex); + if (link->conf.Vpp) + printk(", Vpp %d.%d", link->conf.Vpp / 10, + link->conf.Vpp % 10); printk(", irq %d", link->irq.AssignedIRQ); if (link->io.NumPorts1) printk(", io 0x%04x-0x%04x", link->io.BasePort1, @@ -389,13 +369,14 @@ orinoco_cs_config(dev_link_t *link) link->io.BasePort2 + link->io.NumPorts2 - 1); printk("\n"); - return; + return 0; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); failed: orinoco_cs_release(link); + return -ENODEV; } /* orinoco_cs_config */ /* @@ -404,7 +385,7 @@ orinoco_cs_config(dev_link_t *link) * still open, this will be postponed until it is closed. */ static void -orinoco_cs_release(dev_link_t *link) +orinoco_cs_release(struct pcmcia_device *link) { struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); @@ -416,88 +397,68 @@ orinoco_cs_release(dev_link_t *link) priv->hw_unavailable++; spin_unlock_irqrestore(&priv->lock, flags); - /* Don't bother checking to see if these succeed or not */ - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); - link->state &= ~DEV_CONFIG; + pcmcia_disable_device(link); if (priv->hw.iobase) ioport_unmap(priv->hw.iobase); } /* orinoco_cs_release */ -static int orinoco_cs_suspend(struct pcmcia_device *p_dev) +static int orinoco_cs_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; int err = 0; unsigned long flags; - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - /* This is probably racy, but I can't think of - a better way, short of rewriting the PCMCIA - layer to not suck :-( */ - if (! test_bit(0, &card->hard_reset_in_progress)) { - spin_lock_irqsave(&priv->lock, flags); + /* This is probably racy, but I can't think of + a better way, short of rewriting the PCMCIA + layer to not suck :-( */ + if (! test_bit(0, &card->hard_reset_in_progress)) { + spin_lock_irqsave(&priv->lock, flags); - err = __orinoco_down(dev); - if (err) - printk(KERN_WARNING "%s: Error %d downing interface\n", - dev->name, err); + err = __orinoco_down(dev); + if (err) + printk(KERN_WARNING "%s: Error %d downing interface\n", + dev->name, err); - netif_device_detach(dev); - priv->hw_unavailable++; + netif_device_detach(dev); + priv->hw_unavailable++; - spin_unlock_irqrestore(&priv->lock, flags); - } - - pcmcia_release_configuration(link->handle); + spin_unlock_irqrestore(&priv->lock, flags); } return 0; } -static int orinoco_cs_resume(struct pcmcia_device *p_dev) +static int orinoco_cs_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; int err = 0; unsigned long flags; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - /* FIXME: should we double check that this is - * the same card as we had before */ - pcmcia_request_configuration(link->handle, &link->conf); - - if (! test_bit(0, &card->hard_reset_in_progress)) { - err = orinoco_reinit_firmware(dev); - if (err) { - printk(KERN_ERR "%s: Error %d re-initializing firmware\n", - dev->name, err); - return -EIO; - } - - spin_lock_irqsave(&priv->lock, flags); + if (! test_bit(0, &card->hard_reset_in_progress)) { + err = orinoco_reinit_firmware(dev); + if (err) { + printk(KERN_ERR "%s: Error %d re-initializing firmware\n", + dev->name, err); + return -EIO; + } - netif_device_attach(dev); - priv->hw_unavailable--; + spin_lock_irqsave(&priv->lock, flags); - if (priv->open && ! priv->hw_unavailable) { - err = __orinoco_up(dev); - if (err) - printk(KERN_ERR "%s: Error %d restarting card\n", - dev->name, err); - } + netif_device_attach(dev); + priv->hw_unavailable--; - spin_unlock_irqrestore(&priv->lock, flags); + if (priv->open && ! priv->hw_unavailable) { + err = __orinoco_up(dev); + if (err) + printk(KERN_ERR "%s: Error %d restarting card\n", + dev->name, err); } + + spin_unlock_irqrestore(&priv->lock, flags); } return 0; @@ -604,7 +565,7 @@ static struct pcmcia_driver orinoco_driver = { .drv = { .name = DRIVER_NAME, }, - .probe = orinoco_cs_attach, + .probe = orinoco_cs_probe, .remove = orinoco_cs_detach, .id_table = orinoco_cs_ids, .suspend = orinoco_cs_suspend, diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 7880d8c31aa..879eb427607 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -90,8 +90,8 @@ module_param(pc_debug, int, 0); #define DEBUG(n, args...) #endif /** Prototypes based on PCMCIA skeleton driver *******************************/ -static void ray_config(dev_link_t *link); -static void ray_release(dev_link_t *link); +static int ray_config(struct pcmcia_device *link); +static void ray_release(struct pcmcia_device *link); static void ray_detach(struct pcmcia_device *p_dev); /***** Prototypes indicated by device structure ******************************/ @@ -190,20 +190,17 @@ static int bc; static char *phy_addr = NULL; -/* A linked list of "instances" of the ray device. Each actual - PCMCIA card corresponds to one device instance, and is described - by one dev_link_t structure (defined in ds.h). -*/ -static dev_link_t *dev_list = NULL; - -/* A dev_link_t structure has fields for most things that are needed +/* A struct pcmcia_device structure has fields for most things that are needed to keep track of a socket, but there will usually be some device specific information that also needs to be kept track of. The - 'priv' pointer in a dev_link_t structure can be used to point to + 'priv' pointer in a struct pcmcia_device structure can be used to point to a device-specific private data structure, like this. */ static unsigned int ray_mem_speed = 500; +/* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */ +static struct pcmcia_device *this_device = NULL; + MODULE_AUTHOR("Corey Thomas <corey@world.std.com>"); MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver"); MODULE_LICENSE("GPL"); @@ -306,56 +303,46 @@ static char rcsid[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world. configure the card at this point -- we wait until we receive a card insertion event. =============================================================================*/ -static int ray_attach(struct pcmcia_device *p_dev) +static int ray_probe(struct pcmcia_device *p_dev) { - dev_link_t *link; ray_dev_t *local; struct net_device *dev; - - DEBUG(1, "ray_attach()\n"); - /* Initialize the dev_link_t structure */ - link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); - - if (!link) - return -ENOMEM; + DEBUG(1, "ray_attach()\n"); /* Allocate space for private device-specific data */ dev = alloc_etherdev(sizeof(ray_dev_t)); - if (!dev) goto fail_alloc_dev; local = dev->priv; - - memset(link, 0, sizeof(struct dev_link_t)); + local->finder = p_dev; /* The io structure describes IO port mapping. None used here */ - link->io.NumPorts1 = 0; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; - link->io.IOAddrLines = 5; + p_dev->io.NumPorts1 = 0; + p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + p_dev->io.IOAddrLines = 5; /* Interrupt setup. For PCMCIA, driver takes what's given */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = &ray_interrupt; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = &ray_interrupt; /* General socket configuration */ - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; - link->conf.ConfigIndex = 1; - link->conf.Present = PRESENT_OPTION; - - link->priv = dev; - link->irq.Instance = dev; + p_dev->conf.Attributes = CONF_ENABLE_IRQ; + p_dev->conf.IntType = INT_MEMORY_AND_IO; + p_dev->conf.ConfigIndex = 1; + p_dev->conf.Present = PRESENT_OPTION; + + p_dev->priv = dev; + p_dev->irq.Instance = dev; - local->finder = link; + local->finder = p_dev; local->card_status = CARD_INSERTED; local->authentication_state = UNAUTHENTICATED; local->num_multi = 0; - DEBUG(2,"ray_attach link = %p, dev = %p, local = %p, intr = %p\n", - link,dev,local,&ray_interrupt); + DEBUG(2,"ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n", + p_dev,dev,local,&ray_interrupt); /* Raylink entries in the device structure */ dev->hard_start_xmit = &ray_dev_start_xmit; @@ -379,16 +366,10 @@ static int ray_attach(struct pcmcia_device *p_dev) init_timer(&local->timer); - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - ray_config(link); - - return 0; + this_device = p_dev; + return ray_config(p_dev); fail_alloc_dev: - kfree(link); return -ENOMEM; } /* ray_attach */ /*============================================================================= @@ -397,37 +378,25 @@ fail_alloc_dev: structures are freed. Otherwise, the structures will be freed when the device is released. =============================================================================*/ -static void ray_detach(struct pcmcia_device *p_dev) +static void ray_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - dev_link_t **linkp; struct net_device *dev; ray_dev_t *local; DEBUG(1, "ray_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; + this_device = NULL; dev = link->priv; - if (link->state & DEV_CONFIG) { - ray_release(link); + ray_release(link); - local = (ray_dev_t *)dev->priv; - del_timer(&local->timer); - } + local = (ray_dev_t *)dev->priv; + del_timer(&local->timer); - /* Unlink device structure, free pieces */ - *linkp = link->next; if (link->priv) { - if (link->dev) unregister_netdev(dev); + if (link->dev_node) unregister_netdev(dev); free_netdev(dev); } - kfree(link); DEBUG(2,"ray_cs ray_detach ending\n"); } /* ray_detach */ /*============================================================================= @@ -438,9 +407,8 @@ static void ray_detach(struct pcmcia_device *p_dev) #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) #define MAX_TUPLE_SIZE 128 -static void ray_config(dev_link_t *link) +static int ray_config(struct pcmcia_device *link) { - client_handle_t handle = link->handle; tuple_t tuple; cisparse_t parse; int last_fn = 0, last_ret = 0; @@ -455,48 +423,45 @@ static void ray_config(dev_link_t *link) /* This reads the card's CONFIG tuple to find its configuration regs */ tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); tuple.TupleData = buf; tuple.TupleDataMax = MAX_TUPLE_SIZE; tuple.TupleOffset = 0; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; /* Determine card type and firmware version */ buf[0] = buf[MAX_TUPLE_SIZE - 1] = 0; tuple.DesiredTuple = CISTPL_VERS_1; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); tuple.TupleData = buf; tuple.TupleDataMax = MAX_TUPLE_SIZE; tuple.TupleOffset = 2; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); for (i=0; i<tuple.TupleDataLen - 4; i++) if (buf[i] == 0) buf[i] = ' '; printk(KERN_INFO "ray_cs Detected: %s\n",buf); - /* Configure card */ - link->state |= DEV_CONFIG; - /* Now allocate an interrupt line. Note that this does not actually assign a handler to the interrupt. */ - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); dev->irq = link->irq.AssignedIRQ; /* This actually configures the PCMCIA socket -- setting up the I/O windows and the interrupt mapping. */ - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); /*** Set up 32k window for shared memory (transmit and control) ************/ req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; req.Base = 0; req.Size = 0x8000; req.AccessSpeed = ray_mem_speed; - CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &link->win)); + CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &link->win)); mem.CardOffset = 0x0000; mem.Page = 0; CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem)); local->sram = ioremap(req.Base,req.Size); @@ -506,7 +471,7 @@ static void ray_config(dev_link_t *link) req.Base = 0; req.Size = 0x4000; req.AccessSpeed = ray_mem_speed; - CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->rmem_handle)); + CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &local->rmem_handle)); mem.CardOffset = 0x8000; mem.Page = 0; CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->rmem_handle, &mem)); local->rmem = ioremap(req.Base,req.Size); @@ -516,7 +481,7 @@ static void ray_config(dev_link_t *link) req.Base = 0; req.Size = 0x1000; req.AccessSpeed = ray_mem_speed; - CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->amem_handle)); + CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &local->amem_handle)); mem.CardOffset = 0x0000; mem.Page = 0; CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->amem_handle, &mem)); local->amem = ioremap(req.Base,req.Size); @@ -526,32 +491,32 @@ static void ray_config(dev_link_t *link) DEBUG(3,"ray_config amem=%p\n",local->amem); if (ray_init(dev) < 0) { ray_release(link); - return; + return -ENODEV; } - SET_NETDEV_DEV(dev, &handle_to_dev(handle)); + SET_NETDEV_DEV(dev, &handle_to_dev(link)); i = register_netdev(dev); if (i != 0) { printk("ray_config register_netdev() failed\n"); ray_release(link); - return; + return i; } strcpy(local->node.dev_name, dev->name); - link->dev = &local->node; + link->dev_node = &local->node; - link->state &= ~DEV_CONFIG_PENDING; printk(KERN_INFO "%s: RayLink, irq %d, hw_addr ", dev->name, dev->irq); for (i = 0; i < 6; i++) printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n")); - return; + return 0; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); ray_release(link); + return -ENODEV; } /* ray_config */ static inline struct ccs __iomem *ccs_base(ray_dev_t *dev) @@ -578,9 +543,9 @@ static int ray_init(struct net_device *dev) UCHAR *p; struct ccs __iomem *pccs; ray_dev_t *local = (ray_dev_t *)dev->priv; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; DEBUG(1, "ray_init(0x%p)\n", dev); - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(0,"ray_init - device not present\n"); return -1; } @@ -640,10 +605,10 @@ static int dl_startup_params(struct net_device *dev) int ccsindex; ray_dev_t *local = (ray_dev_t *)dev->priv; struct ccs __iomem *pccs; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; DEBUG(1,"dl_startup_params entered\n"); - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs dl_startup_params - device not present\n"); return -1; } @@ -747,9 +712,9 @@ static void verify_dl_startup(u_long data) ray_dev_t *local = (ray_dev_t *)data; struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs; UCHAR status; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs verify_dl_startup - device not present\n"); return; } @@ -787,8 +752,8 @@ static void start_net(u_long data) ray_dev_t *local = (ray_dev_t *)data; struct ccs __iomem *pccs; int ccsindex; - dev_link_t *link = local->finder; - if (!(link->state & DEV_PRESENT)) { + struct pcmcia_device *link = local->finder; + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs start_net - device not present\n"); return; } @@ -814,9 +779,9 @@ static void join_net(u_long data) struct ccs __iomem *pccs; int ccsindex; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs join_net - device not present\n"); return; } @@ -840,7 +805,7 @@ static void join_net(u_long data) device, and release the PCMCIA configuration. If the device is still open, this will be postponed until it is closed. =============================================================================*/ -static void ray_release(dev_link_t *link) +static void ray_release(struct pcmcia_device *link) { struct net_device *dev = link->priv; ray_dev_t *local = dev->priv; @@ -849,56 +814,38 @@ static void ray_release(dev_link_t *link) DEBUG(1, "ray_release(0x%p)\n", link); del_timer(&local->timer); - link->state &= ~DEV_CONFIG; iounmap(local->sram); iounmap(local->rmem); iounmap(local->amem); /* Do bother checking to see if these succeed or not */ - i = pcmcia_release_window(link->win); - if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(link->win) ret = %x\n",i); i = pcmcia_release_window(local->amem_handle); if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->amem) ret = %x\n",i); i = pcmcia_release_window(local->rmem_handle); if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->rmem) ret = %x\n",i); - i = pcmcia_release_configuration(link->handle); - if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseConfiguration ret = %x\n",i); - i = pcmcia_release_irq(link->handle, &link->irq); - if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseIRQ ret = %x\n",i); + pcmcia_disable_device(link); DEBUG(2,"ray_release ending\n"); } -static int ray_suspend(struct pcmcia_device *p_dev) +static int ray_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - - pcmcia_release_configuration(link->handle); - } - + if (link->open) + netif_device_detach(dev); return 0; } -static int ray_resume(struct pcmcia_device *p_dev) +static int ray_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - ray_reset(dev); - netif_device_attach(dev); - } - } + if (link->open) { + ray_reset(dev); + netif_device_attach(dev); + } return 0; } @@ -910,10 +857,10 @@ int ray_dev_init(struct net_device *dev) int i; #endif /* RAY_IMMEDIATE_INIT */ ray_dev_t *local = dev->priv; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; DEBUG(1,"ray_dev_init(dev=%p)\n",dev); - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_dev_init - device not present\n"); return -1; } @@ -944,10 +891,10 @@ int ray_dev_init(struct net_device *dev) static int ray_dev_config(struct net_device *dev, struct ifmap *map) { ray_dev_t *local = dev->priv; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; /* Dummy routine to satisfy device structure */ DEBUG(1,"ray_dev_config(dev=%p,ifmap=%p)\n",dev,map); - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_dev_config - device not present\n"); return -1; } @@ -958,10 +905,10 @@ static int ray_dev_config(struct net_device *dev, struct ifmap *map) static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev) { ray_dev_t *local = dev->priv; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; short length = skb->len; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_dev_start_xmit - device not present\n"); return -1; } @@ -1570,7 +1517,7 @@ static int ray_commit(struct net_device *dev, static iw_stats * ray_get_wireless_stats(struct net_device * dev) { ray_dev_t * local = (ray_dev_t *) dev->priv; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; struct status __iomem *p = local->sram + STATUS_BASE; if(local == (ray_dev_t *) NULL) @@ -1588,7 +1535,7 @@ static iw_stats * ray_get_wireless_stats(struct net_device * dev) } #endif /* WIRELESS_SPY */ - if((link->state & DEV_PRESENT)) { + if(pcmcia_dev_present(link)) { local->wstats.qual.noise = readb(&p->rxnoise); local->wstats.qual.updated |= 4; } @@ -1657,18 +1604,14 @@ static const struct iw_handler_def ray_handler_def = /*===========================================================================*/ static int ray_open(struct net_device *dev) { - dev_link_t *link; ray_dev_t *local = (ray_dev_t *)dev->priv; + struct pcmcia_device *link; + link = local->finder; DEBUG(1, "ray_open('%s')\n", dev->name); - for (link = dev_list; link; link = link->next) - if (link->priv == dev) break; - if (!DEV_OK(link)) { - return -ENODEV; - } - - if (link->open == 0) local->num_multi = 0; + if (link->open == 0) + local->num_multi = 0; link->open++; /* If the card is not started, time to start it ! - Jean II */ @@ -1695,15 +1638,12 @@ static int ray_open(struct net_device *dev) /*===========================================================================*/ static int ray_dev_close(struct net_device *dev) { - dev_link_t *link; + ray_dev_t *local = (ray_dev_t *)dev->priv; + struct pcmcia_device *link; + link = local->finder; DEBUG(1, "ray_dev_close('%s')\n", dev->name); - for (link = dev_list; link; link = link->next) - if (link->priv == dev) break; - if (link == NULL) - return -ENODEV; - link->open--; netif_stop_queue(dev); @@ -1725,9 +1665,9 @@ static void ray_reset(struct net_device *dev) { static int interrupt_ecf(ray_dev_t *local, int ccs) { int i = 50; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs interrupt_ecf - device not present\n"); return -1; } @@ -1752,9 +1692,9 @@ static int get_free_tx_ccs(ray_dev_t *local) { int i; struct ccs __iomem *pccs = ccs_base(local); - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs get_free_tx_ccs - device not present\n"); return ECARDGONE; } @@ -1783,9 +1723,9 @@ static int get_free_ccs(ray_dev_t *local) { int i; struct ccs __iomem *pccs = ccs_base(local); - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs get_free_ccs - device not present\n"); return ECARDGONE; } @@ -1858,9 +1798,9 @@ static int parse_addr(char *in_str, UCHAR *out) static struct net_device_stats *ray_get_stats(struct net_device *dev) { ray_dev_t *local = (ray_dev_t *)dev->priv; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; struct status __iomem *p = local->sram + STATUS_BASE; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs net_device_stats - device not present\n"); return &local->stats; } @@ -1888,12 +1828,12 @@ static struct net_device_stats *ray_get_stats(struct net_device *dev) static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len) { ray_dev_t *local = (ray_dev_t *)dev->priv; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; int ccsindex; int i; struct ccs __iomem *pccs; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_update_parm - device not present\n"); return; } @@ -1925,10 +1865,10 @@ static void ray_update_multi_list(struct net_device *dev, int all) struct ccs __iomem *pccs; int i = 0; ray_dev_t *local = (ray_dev_t *)dev->priv; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; void __iomem *p = local->sram + HOST_TO_ECF_BASE; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_update_multi_list - device not present\n"); return; } @@ -2005,7 +1945,7 @@ static void set_multicast_list(struct net_device *dev) static irqreturn_t ray_interrupt(int irq, void *dev_id, struct pt_regs * regs) { struct net_device *dev = (struct net_device *)dev_id; - dev_link_t *link; + struct pcmcia_device *link; ray_dev_t *local; struct ccs __iomem *pccs; struct rcs __iomem *prcs; @@ -2020,8 +1960,8 @@ static irqreturn_t ray_interrupt(int irq, void *dev_id, struct pt_regs * regs) DEBUG(4,"ray_cs: interrupt for *dev=%p\n",dev); local = (ray_dev_t *)dev->priv; - link = (dev_link_t *)local->finder; - if ( ! (link->state & DEV_PRESENT) || link->state & DEV_SUSPEND ) { + link = (struct pcmcia_device *)local->finder; + if (!pcmcia_dev_present(link)) { DEBUG(2,"ray_cs interrupt from device not present or suspended.\n"); return IRQ_NONE; } @@ -2540,9 +2480,9 @@ static void release_frag_chain(ray_dev_t *local, struct rcs __iomem * prcs) /*===========================================================================*/ static void authenticate(ray_dev_t *local) { - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; DEBUG(0,"ray_cs Starting authentication.\n"); - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs authenticate - device not present\n"); return; } @@ -2606,10 +2546,10 @@ static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, static void associate(ray_dev_t *local) { struct ccs __iomem *pccs; - dev_link_t *link = local->finder; + struct pcmcia_device *link = local->finder; struct net_device *dev = link->priv; int ccsindex; - if (!(link->state & DEV_PRESENT)) { + if (!(pcmcia_dev_present(link))) { DEBUG(2,"ray_cs associate - device not present\n"); return; } @@ -2689,14 +2629,14 @@ static int ray_cs_proc_read(char *buf, char **start, off_t offset, int len) * eg ifconfig */ int i; - dev_link_t *link; + struct pcmcia_device *link; struct net_device *dev; ray_dev_t *local; UCHAR *p; struct freq_hop_element *pfh; UCHAR c[33]; - link = dev_list; + link = this_device; if (!link) return 0; dev = (struct net_device *)link->priv; @@ -2898,7 +2838,7 @@ static struct pcmcia_driver ray_driver = { .drv = { .name = "ray_cs", }, - .probe = ray_attach, + .probe = ray_probe, .remove = ray_detach, .id_table = ray_ids, .suspend = ray_suspend, @@ -2940,7 +2880,6 @@ static void __exit exit_ray_cs(void) #endif pcmcia_unregister_driver(&ray_driver); - BUG_ON(dev_list != NULL); } /* exit_ray_cs */ module_init(init_ray_cs); diff --git a/drivers/net/wireless/ray_cs.h b/drivers/net/wireless/ray_cs.h index 42660fe64bf..bd73ebf0334 100644 --- a/drivers/net/wireless/ray_cs.h +++ b/drivers/net/wireless/ray_cs.h @@ -31,7 +31,7 @@ typedef struct ray_dev_t { void __iomem *sram; /* pointer to beginning of shared RAM */ void __iomem *amem; /* pointer to attribute mem window */ void __iomem *rmem; /* pointer to receive buffer window */ - dev_link_t *finder; /* pointer back to dev_link_t for card */ + struct pcmcia_device *finder; /* pointer back to struct pcmcia_device for card */ struct timer_list timer; long tx_ccs_lock; long ccs_lock; diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index 5fa6fbe35bb..f7b77ce54d7 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -63,7 +63,7 @@ MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket /* PCMCIA specific device information (goes in the card field of * struct orinoco_private */ struct orinoco_pccard { - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; }; @@ -71,8 +71,8 @@ struct orinoco_pccard { /* Function prototypes */ /********************************************************************/ -static void spectrum_cs_config(dev_link_t *link); -static void spectrum_cs_release(dev_link_t *link); +static int spectrum_cs_config(struct pcmcia_device *link); +static void spectrum_cs_release(struct pcmcia_device *link); /********************************************************************/ /* Firmware downloader */ @@ -238,14 +238,14 @@ spectrum_aux_open(hermes_t *hw) * If IDLE is 1, stop the firmware, so that it can be safely rewritten. */ static int -spectrum_reset(dev_link_t *link, int idle) +spectrum_reset(struct pcmcia_device *link, int idle) { int last_ret, last_fn; conf_reg_t reg; u_int save_cor; /* Doing it if hardware is gone is guaranteed crash */ - if (!(link->state & DEV_CONFIG)) + if (pcmcia_dev_present(link)) return -ENODEV; /* Save original COR value */ @@ -253,7 +253,7 @@ spectrum_reset(dev_link_t *link, int idle) reg.Action = CS_READ; reg.Offset = CISREG_COR; CS_CHECK(AccessConfigurationRegister, - pcmcia_access_configuration_register(link->handle, ®)); + pcmcia_access_configuration_register(link, ®)); save_cor = reg.Value; /* Soft-Reset card */ @@ -261,14 +261,14 @@ spectrum_reset(dev_link_t *link, int idle) reg.Offset = CISREG_COR; reg.Value = (save_cor | COR_SOFT_RESET); CS_CHECK(AccessConfigurationRegister, - pcmcia_access_configuration_register(link->handle, ®)); + pcmcia_access_configuration_register(link, ®)); udelay(1000); /* Read CCSR */ reg.Action = CS_READ; reg.Offset = CISREG_CCSR; CS_CHECK(AccessConfigurationRegister, - pcmcia_access_configuration_register(link->handle, ®)); + pcmcia_access_configuration_register(link, ®)); /* * Start or stop the firmware. Memory width bit should be @@ -278,7 +278,7 @@ spectrum_reset(dev_link_t *link, int idle) reg.Offset = CISREG_CCSR; reg.Value = (idle ? HCR_IDLE : HCR_RUN) | (reg.Value & HCR_MEM16); CS_CHECK(AccessConfigurationRegister, - pcmcia_access_configuration_register(link->handle, ®)); + pcmcia_access_configuration_register(link, ®)); udelay(1000); /* Restore original COR configuration index */ @@ -286,12 +286,12 @@ spectrum_reset(dev_link_t *link, int idle) reg.Offset = CISREG_COR; reg.Value = (save_cor & ~COR_SOFT_RESET); CS_CHECK(AccessConfigurationRegister, - pcmcia_access_configuration_register(link->handle, ®)); + pcmcia_access_configuration_register(link, ®)); udelay(1000); return 0; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); return -ENODEV; } @@ -441,7 +441,7 @@ spectrum_load_blocks(hermes_t *hw, const struct dblock *first_block) * care of the PDA - read it and then write it on top of the firmware. */ static int -spectrum_dl_image(hermes_t *hw, dev_link_t *link, +spectrum_dl_image(hermes_t *hw, struct pcmcia_device *link, const unsigned char *image) { int ret; @@ -505,14 +505,13 @@ spectrum_dl_image(hermes_t *hw, dev_link_t *link, * reset on the card, to make sure it's in a sane state. */ static int -spectrum_dl_firmware(hermes_t *hw, dev_link_t *link) +spectrum_dl_firmware(hermes_t *hw, struct pcmcia_device *link) { int ret; - client_handle_t handle = link->handle; const struct firmware *fw_entry; if (request_firmware(&fw_entry, primary_fw_name, - &handle_to_dev(handle)) == 0) { + &handle_to_dev(link)) == 0) { primsym = fw_entry->data; } else { printk(KERN_ERR PFX "Cannot find firmware: %s\n", @@ -521,7 +520,7 @@ spectrum_dl_firmware(hermes_t *hw, dev_link_t *link) } if (request_firmware(&fw_entry, secondary_fw_name, - &handle_to_dev(handle)) == 0) { + &handle_to_dev(link)) == 0) { secsym = fw_entry->data; } else { printk(KERN_ERR PFX "Cannot find firmware: %s\n", @@ -554,12 +553,12 @@ static int spectrum_cs_hard_reset(struct orinoco_private *priv) { struct orinoco_pccard *card = priv->card; - dev_link_t *link = &card->link; + struct pcmcia_device *link = card->p_dev; int err; if (!hermes_present(&priv->hw)) { /* The firmware needs to be reloaded */ - if (spectrum_dl_firmware(&priv->hw, &card->link) != 0) { + if (spectrum_dl_firmware(&priv->hw, link) != 0) { printk(KERN_ERR PFX "Firmware download failed\n"); err = -ENODEV; } @@ -584,12 +583,11 @@ spectrum_cs_hard_reset(struct orinoco_private *priv) * configure the card at this point -- we wait until we receive a card * insertion event. */ static int -spectrum_cs_attach(struct pcmcia_device *p_dev) +spectrum_cs_probe(struct pcmcia_device *link) { struct net_device *dev; struct orinoco_private *priv; struct orinoco_pccard *card; - dev_link_t *link; dev = alloc_orinocodev(sizeof(*card), spectrum_cs_hard_reset); if (! dev) @@ -598,7 +596,7 @@ spectrum_cs_attach(struct pcmcia_device *p_dev) card = priv->card; /* Link both structures together */ - link = &card->link; + card->p_dev = link; link->priv = dev; /* Interrupt setup */ @@ -615,13 +613,7 @@ spectrum_cs_attach(struct pcmcia_device *p_dev) link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY_AND_IO; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - spectrum_cs_config(link); - - return 0; + return spectrum_cs_config(link); } /* spectrum_cs_attach */ /* @@ -630,16 +622,14 @@ spectrum_cs_attach(struct pcmcia_device *p_dev) * are freed. Otherwise, the structures will be freed when the device * is released. */ -static void spectrum_cs_detach(struct pcmcia_device *p_dev) +static void spectrum_cs_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - if (link->state & DEV_CONFIG) - spectrum_cs_release(link); + spectrum_cs_release(link); - DEBUG(0, PFX "detach: link=%p link->dev=%p\n", link, link->dev); - if (link->dev) { + DEBUG(0, PFX "detach: link=%p link->dev_node=%p\n", link, link->dev_node); + if (link->dev_node) { DEBUG(0, PFX "About to unregister net device %p\n", dev); unregister_netdev(dev); @@ -653,11 +643,10 @@ static void spectrum_cs_detach(struct pcmcia_device *p_dev) * device available to the system. */ -static void -spectrum_cs_config(dev_link_t *link) +static int +spectrum_cs_config(struct pcmcia_device *link) { struct net_device *dev = link->priv; - client_handle_t handle = link->handle; struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; hermes_t *hw = &priv->hw; @@ -669,7 +658,7 @@ spectrum_cs_config(dev_link_t *link) cisparse_t parse; void __iomem *mem; - CS_CHECK(ValidateCIS, pcmcia_validate_cis(handle, &info)); + CS_CHECK(ValidateCIS, pcmcia_validate_cis(link, &info)); /* * This reads the card's CONFIG tuple to find its @@ -680,19 +669,15 @@ spectrum_cs_config(dev_link_t *link) tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - /* Configure card */ - link->state |= DEV_CONFIG; - /* Look up the current Vcc */ CS_CHECK(GetConfigurationInfo, - pcmcia_get_configuration_info(handle, &conf)); - link->conf.Vcc = conf.Vcc; + pcmcia_get_configuration_info(link, &conf)); /* * In this loop, we scan the CIS for configuration table @@ -709,13 +694,13 @@ spectrum_cs_config(dev_link_t *link) * implementation-defined details. */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); cistpl_cftable_entry_t dflt = { .index = 0 }; - if ( (pcmcia_get_tuple_data(handle, &tuple) != 0) - || (pcmcia_parse_tuple(handle, &tuple, &parse) != 0)) + if ( (pcmcia_get_tuple_data(link, &tuple) != 0) + || (pcmcia_parse_tuple(link, &tuple, &parse) != 0)) goto next_entry; if (cfg->flags & CISTPL_CFTABLE_DEFAULT) @@ -747,10 +732,10 @@ spectrum_cs_config(dev_link_t *link) } if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; /* Do we need to allocate an interrupt? */ @@ -780,7 +765,7 @@ spectrum_cs_config(dev_link_t *link) } /* This reserves IO space but doesn't actually enable it */ - if (pcmcia_request_io(link->handle, &link->io) != 0) + if (pcmcia_request_io(link, &link->io) != 0) goto next_entry; } @@ -790,9 +775,8 @@ spectrum_cs_config(dev_link_t *link) break; next_entry: - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - last_ret = pcmcia_get_next_tuple(handle, &tuple); + pcmcia_disable_device(link); + last_ret = pcmcia_get_next_tuple(link, &tuple); if (last_ret == CS_NO_MORE_ITEMS) { printk(KERN_ERR PFX "GetNextTuple(): No matching " "CIS configuration. Maybe you need the " @@ -806,7 +790,7 @@ spectrum_cs_config(dev_link_t *link) * a handler to the interrupt, unless the 'Handler' member of * the irq structure is initialized. */ - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); /* We initialize the hermes structure before completing PCMCIA * configuration just in case the interrupt handler gets @@ -823,7 +807,7 @@ spectrum_cs_config(dev_link_t *link) * card and host interface into "Memory and IO" mode. */ CS_CHECK(RequestConfiguration, - pcmcia_request_configuration(link->handle, &link->conf)); + pcmcia_request_configuration(link, &link->conf)); /* Ok, we have the configuration, prepare to register the netdev */ dev->base_addr = link->io.BasePort1; @@ -836,7 +820,7 @@ spectrum_cs_config(dev_link_t *link) goto failed; } - SET_NETDEV_DEV(dev, &handle_to_dev(handle)); + SET_NETDEV_DEV(dev, &handle_to_dev(link)); /* Tell the stack we exist */ if (register_netdev(dev) != 0) { printk(KERN_ERR PFX "register_netdev() failed\n"); @@ -844,20 +828,18 @@ spectrum_cs_config(dev_link_t *link) } /* At this point, the dev_node_t structure(s) needs to be - * initialized and arranged in a linked list at link->dev. */ + * initialized and arranged in a linked list at link->dev_node. */ strcpy(card->node.dev_name, dev->name); - link->dev = &card->node; /* link->dev being non-NULL is also + link->dev_node = &card->node; /* link->dev_node being non-NULL is also used to indicate that the net_device has been registered */ - link->state &= ~DEV_CONFIG_PENDING; /* Finally, report what we've done */ - printk(KERN_DEBUG "%s: index 0x%02x: Vcc %d.%d", - dev->name, link->conf.ConfigIndex, - link->conf.Vcc / 10, link->conf.Vcc % 10); - if (link->conf.Vpp1) - printk(", Vpp %d.%d", link->conf.Vpp1 / 10, - link->conf.Vpp1 % 10); + printk(KERN_DEBUG "%s: index 0x%02x: ", + dev->name, link->conf.ConfigIndex); + if (link->conf.Vpp) + printk(", Vpp %d.%d", link->conf.Vpp / 10, + link->conf.Vpp % 10); printk(", irq %d", link->irq.AssignedIRQ); if (link->io.NumPorts1) printk(", io 0x%04x-0x%04x", link->io.BasePort1, @@ -867,13 +849,14 @@ spectrum_cs_config(dev_link_t *link) link->io.BasePort2 + link->io.NumPorts2 - 1); printk("\n"); - return; + return 0; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); failed: spectrum_cs_release(link); + return -ENODEV; } /* spectrum_cs_config */ /* @@ -882,7 +865,7 @@ spectrum_cs_config(dev_link_t *link) * still open, this will be postponed until it is closed. */ static void -spectrum_cs_release(dev_link_t *link) +spectrum_cs_release(struct pcmcia_device *link) { struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); @@ -894,64 +877,46 @@ spectrum_cs_release(dev_link_t *link) priv->hw_unavailable++; spin_unlock_irqrestore(&priv->lock, flags); - /* Don't bother checking to see if these succeed or not */ - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); - link->state &= ~DEV_CONFIG; + pcmcia_disable_device(link); if (priv->hw.iobase) ioport_unmap(priv->hw.iobase); } /* spectrum_cs_release */ static int -spectrum_cs_suspend(struct pcmcia_device *p_dev) +spectrum_cs_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); unsigned long flags; int err = 0; - link->state |= DEV_SUSPEND; /* Mark the device as stopped, to block IO until later */ - if (link->state & DEV_CONFIG) { - spin_lock_irqsave(&priv->lock, flags); - - err = __orinoco_down(dev); - if (err) - printk(KERN_WARNING "%s: Error %d downing interface\n", - dev->name, err); + spin_lock_irqsave(&priv->lock, flags); - netif_device_detach(dev); - priv->hw_unavailable++; + err = __orinoco_down(dev); + if (err) + printk(KERN_WARNING "%s: Error %d downing interface\n", + dev->name, err); - spin_unlock_irqrestore(&priv->lock, flags); + netif_device_detach(dev); + priv->hw_unavailable++; - pcmcia_release_configuration(link->handle); - } + spin_unlock_irqrestore(&priv->lock, flags); return 0; } static int -spectrum_cs_resume(struct pcmcia_device *p_dev) +spectrum_cs_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - /* FIXME: should we double check that this is - * the same card as we had before */ - pcmcia_request_configuration(link->handle, &link->conf); - netif_device_attach(dev); - priv->hw_unavailable--; - schedule_work(&priv->reset_work); - } + netif_device_attach(dev); + priv->hw_unavailable--; + schedule_work(&priv->reset_work); + return 0; } @@ -979,7 +944,7 @@ static struct pcmcia_driver orinoco_driver = { .drv = { .name = DRIVER_NAME, }, - .probe = spectrum_cs_attach, + .probe = spectrum_cs_probe, .remove = spectrum_cs_detach, .suspend = spectrum_cs_suspend, .resume = spectrum_cs_resume, diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index 98122f3a4bc..f7724eb2fa7 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -1005,7 +1005,7 @@ static inline void wv_82593_reconfig(struct net_device * dev) { net_local * lp = netdev_priv(dev); - dev_link_t * link = lp->link; + struct pcmcia_device * link = lp->link; unsigned long flags; /* Arm the flag, will be cleard in wv_82593_config() */ @@ -3744,16 +3744,16 @@ wv_pcmcia_reset(struct net_device * dev) { int i; conf_reg_t reg = { 0, CS_READ, CISREG_COR, 0 }; - dev_link_t * link = ((net_local *)netdev_priv(dev))->link; + struct pcmcia_device * link = ((net_local *)netdev_priv(dev))->link; #ifdef DEBUG_CONFIG_TRACE printk(KERN_DEBUG "%s: ->wv_pcmcia_reset()\n", dev->name); #endif - i = pcmcia_access_configuration_register(link->handle, ®); + i = pcmcia_access_configuration_register(link, ®); if(i != CS_SUCCESS) { - cs_error(link->handle, AccessConfigurationRegister, i); + cs_error(link, AccessConfigurationRegister, i); return FALSE; } @@ -3764,19 +3764,19 @@ wv_pcmcia_reset(struct net_device * dev) reg.Action = CS_WRITE; reg.Value = reg.Value | COR_SW_RESET; - i = pcmcia_access_configuration_register(link->handle, ®); + i = pcmcia_access_configuration_register(link, ®); if(i != CS_SUCCESS) { - cs_error(link->handle, AccessConfigurationRegister, i); + cs_error(link, AccessConfigurationRegister, i); return FALSE; } reg.Action = CS_WRITE; reg.Value = COR_LEVEL_IRQ | COR_CONFIG; - i = pcmcia_access_configuration_register(link->handle, ®); + i = pcmcia_access_configuration_register(link, ®); if(i != CS_SUCCESS) { - cs_error(link->handle, AccessConfigurationRegister, i); + cs_error(link, AccessConfigurationRegister, i); return FALSE; } @@ -3940,9 +3940,8 @@ wv_hw_reset(struct net_device * dev) * (called by wavelan_event()) */ static inline int -wv_pcmcia_config(dev_link_t * link) +wv_pcmcia_config(struct pcmcia_device * link) { - client_handle_t handle = link->handle; tuple_t tuple; cisparse_t parse; struct net_device * dev = (struct net_device *) link->priv; @@ -3965,16 +3964,16 @@ wv_pcmcia_config(dev_link_t * link) { tuple.Attributes = 0; tuple.DesiredTuple = CISTPL_CONFIG; - i = pcmcia_get_first_tuple(handle, &tuple); + i = pcmcia_get_first_tuple(link, &tuple); if(i != CS_SUCCESS) break; tuple.TupleData = (cisdata_t *)buf; tuple.TupleDataMax = 64; tuple.TupleOffset = 0; - i = pcmcia_get_tuple_data(handle, &tuple); + i = pcmcia_get_tuple_data(link, &tuple); if(i != CS_SUCCESS) break; - i = pcmcia_parse_tuple(handle, &tuple, &parse); + i = pcmcia_parse_tuple(link, &tuple, &parse); if(i != CS_SUCCESS) break; link->conf.ConfigBase = parse.config.base; @@ -3983,19 +3982,16 @@ wv_pcmcia_config(dev_link_t * link) while(0); if(i != CS_SUCCESS) { - cs_error(link->handle, ParseTuple, i); - link->state &= ~DEV_CONFIG_PENDING; + cs_error(link, ParseTuple, i); return FALSE; } - - /* Configure card */ - link->state |= DEV_CONFIG; + do { - i = pcmcia_request_io(link->handle, &link->io); + i = pcmcia_request_io(link, &link->io); if(i != CS_SUCCESS) { - cs_error(link->handle, RequestIO, i); + cs_error(link, RequestIO, i); break; } @@ -4003,10 +3999,10 @@ wv_pcmcia_config(dev_link_t * link) * Now allocate an interrupt line. Note that this does not * actually assign a handler to the interrupt. */ - i = pcmcia_request_irq(link->handle, &link->irq); + i = pcmcia_request_irq(link, &link->irq); if(i != CS_SUCCESS) { - cs_error(link->handle, RequestIRQ, i); + cs_error(link, RequestIRQ, i); break; } @@ -4015,15 +4011,15 @@ wv_pcmcia_config(dev_link_t * link) * the I/O windows and the interrupt mapping. */ link->conf.ConfigIndex = 1; - i = pcmcia_request_configuration(link->handle, &link->conf); + i = pcmcia_request_configuration(link, &link->conf); if(i != CS_SUCCESS) { - cs_error(link->handle, RequestConfiguration, i); + cs_error(link, RequestConfiguration, i); break; } /* - * Allocate a small memory window. Note that the dev_link_t + * Allocate a small memory window. Note that the struct pcmcia_device * structure provides space for one window handle -- if your * device needs several windows, you'll need to keep track of * the handles in your private data structure, link->priv. @@ -4031,10 +4027,10 @@ wv_pcmcia_config(dev_link_t * link) req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; req.Base = req.Size = 0; req.AccessSpeed = mem_speed; - i = pcmcia_request_window(&link->handle, &req, &link->win); + i = pcmcia_request_window(&link, &req, &link->win); if(i != CS_SUCCESS) { - cs_error(link->handle, RequestWindow, i); + cs_error(link, RequestWindow, i); break; } @@ -4046,7 +4042,7 @@ wv_pcmcia_config(dev_link_t * link) i = pcmcia_map_mem_page(link->win, &mem); if(i != CS_SUCCESS) { - cs_error(link->handle, MapMemPage, i); + cs_error(link, MapMemPage, i); break; } @@ -4060,7 +4056,7 @@ wv_pcmcia_config(dev_link_t * link) lp->mem, dev->irq, (u_int) dev->base_addr); #endif - SET_NETDEV_DEV(dev, &handle_to_dev(handle)); + SET_NETDEV_DEV(dev, &handle_to_dev(link)); i = register_netdev(dev); if(i != 0) { @@ -4072,7 +4068,6 @@ wv_pcmcia_config(dev_link_t * link) } while(0); /* Humm... Disguised goto !!! */ - link->state &= ~DEV_CONFIG_PENDING; /* If any step failed, release any partially configured state */ if(i != 0) { @@ -4081,7 +4076,7 @@ wv_pcmcia_config(dev_link_t * link) } strcpy(((net_local *) netdev_priv(dev))->node.dev_name, dev->name); - link->dev = &((net_local *) netdev_priv(dev))->node; + link->dev_node = &((net_local *) netdev_priv(dev))->node; #ifdef DEBUG_CONFIG_TRACE printk(KERN_DEBUG "<-wv_pcmcia_config()\n"); @@ -4096,26 +4091,20 @@ wv_pcmcia_config(dev_link_t * link) * still open, this will be postponed until it is closed. */ static void -wv_pcmcia_release(dev_link_t *link) +wv_pcmcia_release(struct pcmcia_device *link) { - struct net_device * dev = (struct net_device *) link->priv; - net_local * lp = netdev_priv(dev); + struct net_device * dev = (struct net_device *) link->priv; + net_local * lp = netdev_priv(dev); #ifdef DEBUG_CONFIG_TRACE - printk(KERN_DEBUG "%s: -> wv_pcmcia_release(0x%p)\n", dev->name, link); + printk(KERN_DEBUG "%s: -> wv_pcmcia_release(0x%p)\n", dev->name, link); #endif - /* Don't bother checking to see if these succeed or not */ - iounmap(lp->mem); - pcmcia_release_window(link->win); - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); - - link->state &= ~DEV_CONFIG; + iounmap(lp->mem); + pcmcia_disable_device(link); #ifdef DEBUG_CONFIG_TRACE - printk(KERN_DEBUG "%s: <- wv_pcmcia_release()\n", dev->name); + printk(KERN_DEBUG "%s: <- wv_pcmcia_release()\n", dev->name); #endif } @@ -4479,7 +4468,7 @@ static int wavelan_open(struct net_device * dev) { net_local * lp = netdev_priv(dev); - dev_link_t * link = lp->link; + struct pcmcia_device * link = lp->link; kio_addr_t base = dev->base_addr; #ifdef DEBUG_CALLBACK_TRACE @@ -4533,7 +4522,7 @@ wavelan_open(struct net_device * dev) static int wavelan_close(struct net_device * dev) { - dev_link_t * link = ((net_local *)netdev_priv(dev))->link; + struct pcmcia_device * link = ((net_local *)netdev_priv(dev))->link; kio_addr_t base = dev->base_addr; #ifdef DEBUG_CALLBACK_TRACE @@ -4587,45 +4576,36 @@ wavelan_close(struct net_device * dev) * card insertion event. */ static int -wavelan_attach(struct pcmcia_device *p_dev) +wavelan_probe(struct pcmcia_device *p_dev) { - dev_link_t * link; /* Info for cardmgr */ struct net_device * dev; /* Interface generic data */ net_local * lp; /* Interface specific data */ + int ret; #ifdef DEBUG_CALLBACK_TRACE printk(KERN_DEBUG "-> wavelan_attach()\n"); #endif - /* Initialize the dev_link_t structure */ - link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); - if (!link) return -ENOMEM; - /* The io structure describes IO port mapping */ - link->io.NumPorts1 = 8; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; - link->io.IOAddrLines = 3; + p_dev->io.NumPorts1 = 8; + p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + p_dev->io.IOAddrLines = 3; /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = wavelan_interrupt; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = wavelan_interrupt; /* General socket configuration */ - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; - - /* Chain drivers */ - link->next = NULL; + p_dev->conf.Attributes = CONF_ENABLE_IRQ; + p_dev->conf.IntType = INT_MEMORY_AND_IO; /* Allocate the generic data structure */ dev = alloc_etherdev(sizeof(net_local)); - if (!dev) { - kfree(link); + if (!dev) return -ENOMEM; - } - link->priv = link->irq.Instance = dev; + + p_dev->priv = p_dev->irq.Instance = dev; lp = netdev_priv(dev); @@ -4642,7 +4622,6 @@ wavelan_attach(struct pcmcia_device *p_dev) spin_lock_init(&lp->spinlock); /* back links */ - lp->link = link; lp->dev = dev; /* wavelan NET3 callbacks */ @@ -4668,15 +4647,18 @@ wavelan_attach(struct pcmcia_device *p_dev) /* Other specific data */ dev->mtu = WAVELAN_MTU; - link->handle = p_dev; - p_dev->instance = link; + ret = wv_pcmcia_config(p_dev); + if (ret) + return ret; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - if(wv_pcmcia_config(link) && - wv_hw_config(dev)) - wv_init_info(dev); - else + ret = wv_hw_config(dev); + if (ret) { dev->irq = 0; + pcmcia_disable_device(p_dev); + return ret; + } + + wv_init_info(dev); #ifdef DEBUG_CALLBACK_TRACE printk(KERN_DEBUG "<- wavelan_attach()\n"); @@ -4693,25 +4675,14 @@ wavelan_attach(struct pcmcia_device *p_dev) * is released. */ static void -wavelan_detach(struct pcmcia_device *p_dev) +wavelan_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - #ifdef DEBUG_CALLBACK_TRACE printk(KERN_DEBUG "-> wavelan_detach(0x%p)\n", link); #endif - /* - * If the device is currently configured and active, we won't - * actually delete it yet. Instead, it is marked so that when the - * release() function is called, that will trigger a proper - * detach(). - */ - if(link->state & DEV_CONFIG) - { - /* Some others haven't done their job : give them another chance */ - wv_pcmcia_release(link); - } + /* Some others haven't done their job : give them another chance */ + wv_pcmcia_release(link); /* Free pieces */ if(link->priv) @@ -4720,23 +4691,21 @@ wavelan_detach(struct pcmcia_device *p_dev) /* Remove ourselves from the kernel list of ethernet devices */ /* Warning : can't be called from interrupt, timer or wavelan_close() */ - if (link->dev) + if (link->dev_node) unregister_netdev(dev); - link->dev = NULL; + link->dev_node = NULL; ((net_local *)netdev_priv(dev))->link = NULL; ((net_local *)netdev_priv(dev))->dev = NULL; free_netdev(dev); } - kfree(link); #ifdef DEBUG_CALLBACK_TRACE printk(KERN_DEBUG "<- wavelan_detach()\n"); #endif } -static int wavelan_suspend(struct pcmcia_device *p_dev) +static int wavelan_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device * dev = (struct net_device *) link->priv; /* NB: wavelan_close will be called, but too late, so we are @@ -4748,36 +4717,22 @@ static int wavelan_suspend(struct pcmcia_device *p_dev) /* Stop receiving new messages and wait end of transmission */ wv_ru_stop(dev); + if (link->open) + netif_device_detach(dev); + /* Power down the module */ hacr_write(dev->base_addr, HACR_DEFAULT & (~HACR_PWR_STAT)); - /* The card is now suspended */ - link->state |= DEV_SUSPEND; - - if(link->state & DEV_CONFIG) - { - if(link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } - return 0; } -static int wavelan_resume(struct pcmcia_device *p_dev) +static int wavelan_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device * dev = (struct net_device *) link->priv; - link->state &= ~DEV_SUSPEND; - if(link->state & DEV_CONFIG) - { - pcmcia_request_configuration(link->handle, &link->conf); - if(link->open) /* If RESET -> True, If RESUME -> False ? */ - { - wv_hw_reset(dev); - netif_device_attach(dev); - } + if (link->open) { + wv_hw_reset(dev); + netif_device_attach(dev); } return 0; @@ -4798,7 +4753,7 @@ static struct pcmcia_driver wavelan_driver = { .drv = { .name = "wavelan_cs", }, - .probe = wavelan_attach, + .probe = wavelan_probe, .remove = wavelan_detach, .id_table = wavelan_ids, .suspend = wavelan_suspend, diff --git a/drivers/net/wireless/wavelan_cs.p.h b/drivers/net/wireless/wavelan_cs.p.h index 451f6271dcb..c65fe7a391e 100644 --- a/drivers/net/wireless/wavelan_cs.p.h +++ b/drivers/net/wireless/wavelan_cs.p.h @@ -602,7 +602,7 @@ struct net_local dev_node_t node; /* ???? What is this stuff ???? */ struct net_device * dev; /* Reverse link... */ spinlock_t spinlock; /* Serialize access to the hardware (SMP) */ - dev_link_t * link; /* pcmcia structure */ + struct pcmcia_device * link; /* pcmcia structure */ en_stats stats; /* Ethernet interface statistics */ int nresets; /* Number of hw resets */ u_char configured; /* If it is configured */ @@ -733,9 +733,9 @@ static int static inline void wv_hw_reset(struct net_device *); /* Same, + start receiver unit */ static inline int - wv_pcmcia_config(dev_link_t *); /* Configure the pcmcia interface */ + wv_pcmcia_config(struct pcmcia_device *); /* Configure the pcmcia interface */ static void - wv_pcmcia_release(dev_link_t *);/* Remove a device */ + wv_pcmcia_release(struct pcmcia_device *);/* Remove a device */ /* ---------------------- INTERRUPT HANDLING ---------------------- */ static irqreturn_t wavelan_interrupt(int, /* Interrupt handler */ diff --git a/drivers/net/wireless/wl3501.h b/drivers/net/wireless/wl3501.h index 4303c50c2ab..65ceb088f70 100644 --- a/drivers/net/wireless/wl3501.h +++ b/drivers/net/wireless/wl3501.h @@ -611,5 +611,6 @@ struct wl3501_card { struct iw_spy_data spy_data; struct iw_public_data wireless_data; struct dev_node_t node; + struct pcmcia_device *p_dev; }; #endif diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index 48e10b0c7e7..e52a650f673 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -103,8 +103,8 @@ module_param(pc_debug, int, 0); * release a socket, in response to card insertion and ejection events. They * are invoked from the wl24 event handler. */ -static void wl3501_config(dev_link_t *link); -static void wl3501_release(dev_link_t *link); +static int wl3501_config(struct pcmcia_device *link); +static void wl3501_release(struct pcmcia_device *link); /* * The dev_info variable is the "key" that is used to match up this @@ -226,17 +226,6 @@ static void iw_copy_mgmt_info_element(struct iw_mgmt_info_element *to, iw_set_mgmt_info_element(from->id, to, from->data, from->len); } -/* - * A linked list of "instances" of the wl24 device. Each actual PCMCIA card - * corresponds to one device instance, and is described by one dev_link_t - * structure (defined in ds.h). - * - * You may not want to use a linked list for this -- for example, the memory - * card driver uses an array of dev_link_t pointers, where minor device numbers - * are used to derive the corresponding array index. - */ -static dev_link_t *wl3501_dev_list; - static inline void wl3501_switch_page(struct wl3501_card *this, u8 page) { wl3501_outb(page, this->base_addr + WL3501_NIC_BSS); @@ -1281,15 +1270,10 @@ static int wl3501_close(struct net_device *dev) struct wl3501_card *this = dev->priv; int rc = -ENODEV; unsigned long flags; - dev_link_t *link; + struct pcmcia_device *link; + link = this->p_dev; spin_lock_irqsave(&this->lock, flags); - /* Check if the device is in wl3501_dev_list */ - for (link = wl3501_dev_list; link; link = link->next) - if (link->priv == dev) - break; - if (!link) - goto out; link->open--; /* Stop wl3501_hard_start_xmit() from now on */ @@ -1301,7 +1285,6 @@ static int wl3501_close(struct net_device *dev) rc = 0; printk(KERN_INFO "%s: WL3501 closed\n", dev->name); -out: spin_unlock_irqrestore(&this->lock, flags); return rc; } @@ -1400,14 +1383,11 @@ static int wl3501_open(struct net_device *dev) int rc = -ENODEV; struct wl3501_card *this = dev->priv; unsigned long flags; - dev_link_t *link; + struct pcmcia_device *link; + link = this->p_dev; spin_lock_irqsave(&this->lock, flags); - /* Check if the device is in wl3501_dev_list */ - for (link = wl3501_dev_list; link; link = link->next) - if (link->priv == dev) - break; - if (!DEV_OK(link)) + if (!pcmcia_dev_present(link)) goto out; netif_device_attach(dev); link->open++; @@ -1497,38 +1477,23 @@ static struct ethtool_ops ops = { * Services. If it has been released, all local data structures are freed. * Otherwise, the structures will be freed when the device is released. */ -static void wl3501_detach(struct pcmcia_device *p_dev) +static void wl3501_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - dev_link_t **linkp; struct net_device *dev = link->priv; - /* Locate device structure */ - for (linkp = &wl3501_dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - if (!*linkp) - goto out; - /* If the device is currently configured and active, we won't actually * delete it yet. Instead, it is marked so that when the release() * function is called, that will trigger a proper detach(). */ - if (link->state & DEV_CONFIG) { - while (link->open > 0) - wl3501_close(dev); - - netif_device_detach(dev); - wl3501_release(link); - } + while (link->open > 0) + wl3501_close(dev); - /* Unlink device structure, free pieces */ - *linkp = link->next; + netif_device_detach(dev); + wl3501_release(link); if (link->priv) free_netdev(link->priv); - kfree(link); -out: + return; } @@ -1953,33 +1918,26 @@ static const struct iw_handler_def wl3501_handler_def = { * The dev_link structure is initialized, but we don't actually configure the * card at this point -- we wait until we receive a card insertion event. */ -static int wl3501_attach(struct pcmcia_device *p_dev) +static int wl3501_probe(struct pcmcia_device *p_dev) { - dev_link_t *link; struct net_device *dev; struct wl3501_card *this; - /* Initialize the dev_link_t structure */ - link = kzalloc(sizeof(*link), GFP_KERNEL); - if (!link) - return -ENOMEM; - /* The io structure describes IO port mapping */ - link->io.NumPorts1 = 16; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; - link->io.IOAddrLines = 5; + p_dev->io.NumPorts1 = 16; + p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + p_dev->io.IOAddrLines = 5; /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = wl3501_interrupt; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = wl3501_interrupt; /* General socket configuration */ - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; - link->conf.ConfigIndex = 1; - link->conf.Present = PRESENT_OPTION; + p_dev->conf.Attributes = CONF_ENABLE_IRQ; + p_dev->conf.IntType = INT_MEMORY_AND_IO; + p_dev->conf.ConfigIndex = 1; + p_dev->conf.Present = PRESENT_OPTION; dev = alloc_etherdev(sizeof(struct wl3501_card)); if (!dev) @@ -1992,22 +1950,15 @@ static int wl3501_attach(struct pcmcia_device *p_dev) dev->get_stats = wl3501_get_stats; this = dev->priv; this->wireless_data.spy_data = &this->spy_data; + this->p_dev = p_dev; dev->wireless_data = &this->wireless_data; dev->wireless_handlers = (struct iw_handler_def *)&wl3501_handler_def; SET_ETHTOOL_OPS(dev, &ops); netif_stop_queue(dev); - link->priv = link->irq.Instance = dev; - - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - wl3501_config(link); + p_dev->priv = p_dev->irq.Instance = dev; - return 0; + return wl3501_config(p_dev); out_link: - kfree(link); - link = NULL; return -ENOMEM; } @@ -2022,11 +1973,10 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) * received, to configure the PCMCIA socket, and to make the ethernet device * available to the system. */ -static void wl3501_config(dev_link_t *link) +static int wl3501_config(struct pcmcia_device *link) { tuple_t tuple; cisparse_t parse; - client_handle_t handle = link->handle; struct net_device *dev = link->priv; int i = 0, j, last_fn, last_ret; unsigned char bf[64]; @@ -2035,18 +1985,15 @@ static void wl3501_config(dev_link_t *link) /* This reads the card's CONFIG tuple to find its config registers. */ tuple.Attributes = 0; tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); tuple.TupleData = bf; tuple.TupleDataMax = sizeof(bf); tuple.TupleOffset = 0; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - /* Configure card */ - link->state |= DEV_CONFIG; - /* Try allocating IO ports. This tries a few fixed addresses. If you * want, you can also read the card's config table to pick addresses -- * see the serial driver for an example. */ @@ -2056,28 +2003,28 @@ static void wl3501_config(dev_link_t *link) * 0x200-0x2ff, and so on, because this seems safer */ link->io.BasePort1 = j; link->io.BasePort2 = link->io.BasePort1 + 0x10; - i = pcmcia_request_io(link->handle, &link->io); + i = pcmcia_request_io(link, &link->io); if (i == CS_SUCCESS) break; } if (i != CS_SUCCESS) { - cs_error(link->handle, RequestIO, i); + cs_error(link, RequestIO, i); goto failed; } /* Now allocate an interrupt line. Note that this does not actually * assign a handler to the interrupt. */ - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); /* This actually configures the PCMCIA socket -- setting up the I/O * windows and the interrupt mapping. */ - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); dev->irq = link->irq.AssignedIRQ; dev->base_addr = link->io.BasePort1; - SET_NETDEV_DEV(dev, &handle_to_dev(handle)); + SET_NETDEV_DEV(dev, &handle_to_dev(link)); if (register_netdev(dev)) { printk(KERN_NOTICE "wl3501_cs: register_netdev() failed\n"); goto failed; @@ -2088,10 +2035,9 @@ static void wl3501_config(dev_link_t *link) this = dev->priv; /* * At this point, the dev_node_t structure(s) should be initialized and - * arranged in a linked list at link->dev. + * arranged in a linked list at link->dev_node. */ - link->dev = &this->node; - link->state &= ~DEV_CONFIG_PENDING; + link->dev_node = &this->node; this->base_addr = dev->base_addr; @@ -2127,13 +2073,13 @@ static void wl3501_config(dev_link_t *link) spin_lock_init(&this->lock); init_waitqueue_head(&this->wait); netif_start_queue(dev); - goto out; + return 0; + cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); failed: wl3501_release(link); -out: - return; + return -ENODEV; } /** @@ -2144,52 +2090,36 @@ out: * and release the PCMCIA configuration. If the device is still open, this * will be postponed until it is closed. */ -static void wl3501_release(dev_link_t *link) +static void wl3501_release(struct pcmcia_device *link) { struct net_device *dev = link->priv; /* Unlink the device chain */ - if (link->dev) { + if (link->dev_node) unregister_netdev(dev); - link->dev = NULL; - } - /* Don't bother checking to see if these succeed or not */ - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); - link->state &= ~DEV_CONFIG; + pcmcia_disable_device(link); } -static int wl3501_suspend(struct pcmcia_device *p_dev) +static int wl3501_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - link->state |= DEV_SUSPEND; - wl3501_pwr_mgmt(dev->priv, WL3501_SUSPEND); - if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } + if (link->open) + netif_device_detach(dev); return 0; } -static int wl3501_resume(struct pcmcia_device *p_dev) +static int wl3501_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; wl3501_pwr_mgmt(dev->priv, WL3501_RESUME); - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - wl3501_reset(dev); - netif_device_attach(dev); - } + if (link->open) { + wl3501_reset(dev); + netif_device_attach(dev); } return 0; @@ -2207,7 +2137,7 @@ static struct pcmcia_driver wl3501_driver = { .drv = { .name = "wl3501_cs", }, - .probe = wl3501_attach, + .probe = wl3501_probe, .remove = wl3501_detach, .id_table = wl3501_ids, .suspend = wl3501_suspend, @@ -2221,9 +2151,7 @@ static int __init wl3501_init_module(void) static void __exit wl3501_exit_module(void) { - dprintk(0, ": unloading"); pcmcia_unregister_driver(&wl3501_driver); - BUG_ON(wl3501_dev_list != NULL); } module_init(wl3501_init_module); |