diff options
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r-- | drivers/usb/gadget/Kconfig | 4 | ||||
-rw-r--r-- | drivers/usb/gadget/at91_udc.c | 4 | ||||
-rw-r--r-- | drivers/usb/gadget/ether.c | 6 | ||||
-rw-r--r-- | drivers/usb/gadget/file_storage.c | 38 | ||||
-rw-r--r-- | drivers/usb/gadget/gadget_chips.h | 6 | ||||
-rw-r--r-- | drivers/usb/gadget/inode.c | 24 | ||||
-rw-r--r-- | drivers/usb/gadget/net2280.c | 93 | ||||
-rw-r--r-- | drivers/usb/gadget/net2280.h | 415 | ||||
-rw-r--r-- | drivers/usb/gadget/zero.c | 7 |
9 files changed, 128 insertions, 469 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index d80f71877d6..363b2ad74ae 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -69,11 +69,11 @@ choice often need board-specific hooks. config USB_GADGET_NET2280 - boolean "NetChip 2280" + boolean "NetChip 228x" depends on PCI select USB_GADGET_DUALSPEED help - NetChip 2280 is a PCI based USB peripheral controller which + NetChip 2280 / 2282 is a PCI based USB peripheral controller which supports both full and high speed USB 2.0 data transfers. It has six configurable endpoints, as well as endpoint zero diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 865858cfd1c..b8d0b7825bf 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1709,7 +1709,7 @@ static int __devexit at91udc_remove(struct platform_device *dev) } #ifdef CONFIG_PM -static int at91udc_suspend(struct platform_device *dev, u32 state, u32 level) +static int at91udc_suspend(struct platform_device *dev, pm_message_t mesg) { struct at91_udc *udc = platform_get_drvdata(dev); @@ -1731,7 +1731,7 @@ static int at91udc_suspend(struct platform_device *dev, u32 state, u32 level) return 0; } -static int at91udc_resume(struct platform_device *dev, u32 level) +static int at91udc_resume(struct platform_device *dev) { struct at91_udc *udc = platform_get_drvdata(dev); diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index c3d8e5c5bf2..9c4422ac9de 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -2338,6 +2338,9 @@ autoconf_fail: hs_subset_descriptors(); } + device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket; + usb_gadget_set_selfpowered (gadget); + /* For now RNDIS is always a second config */ if (rndis) device_desc.bNumConfigurations = 2; @@ -2361,9 +2364,6 @@ autoconf_fail: #endif #endif /* DUALSPEED */ - device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket; - usb_gadget_set_selfpowered (gadget); - if (gadget->is_otg) { otg_descriptor.bmAttributes |= USB_OTG_HNP, eth_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP; diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index cf3be299e35..6f887478b14 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -71,6 +71,12 @@ * requirement amounts to two 16K buffers, size configurable by a parameter. * Support is included for both full-speed and high-speed operation. * + * Note that the driver is slightly non-portable in that it assumes a + * single memory/DMA buffer will be useable for bulk-in, bulk-out, and + * interrupt-in endpoints. With most device controllers this isn't an + * issue, but there may be some with hardware restrictions that prevent + * a buffer from being used by more than one endpoint. + * * Module options: * * file=filename[,filename...] @@ -108,6 +114,14 @@ * setting are not allowed when the medium is loaded. * * This gadget driver is heavily based on "Gadget Zero" by David Brownell. + * The driver's SCSI command interface was based on the "Information + * technology - Small Computer System Interface - 2" document from + * X3T9.2 Project 375D, Revision 10L, 7-SEP-93, available at + * <http://www.t10.org/ftp/t10/drafts/s2/s2-r10l.pdf>. The single exception + * is opcode 0x23 (READ FORMAT CAPACITIES), which was based on the + * "Universal Serial Bus Mass Storage Class UFI Command Specification" + * document, Revision 1.0, December 14, 1998, available at + * <http://www.usb.org/developers/devclass_docs/usbmass-ufi10.pdf>. */ @@ -334,11 +348,9 @@ MODULE_LICENSE("Dual BSD/GPL"); #define MAX_LUNS 8 - /* Arggh! There should be a module_param_array_named macro! */ -static char *file[MAX_LUNS]; -static int ro[MAX_LUNS]; - static struct { + char *file[MAX_LUNS]; + int ro[MAX_LUNS]; int num_filenames; int num_ros; unsigned int nluns; @@ -370,10 +382,11 @@ static struct { }; -module_param_array(file, charp, &mod_data.num_filenames, S_IRUGO); +module_param_array_named(file, mod_data.file, charp, &mod_data.num_filenames, + S_IRUGO); MODULE_PARM_DESC(file, "names of backing files or devices"); -module_param_array(ro, bool, &mod_data.num_ros, S_IRUGO); +module_param_array_named(ro, mod_data.ro, bool, &mod_data.num_ros, S_IRUGO); MODULE_PARM_DESC(ro, "true to force read-only"); module_param_named(luns, mod_data.nluns, uint, S_IRUGO); @@ -1795,6 +1808,7 @@ static int do_write(struct fsg_dev *fsg) * the bulk-out maxpacket size */ bh->outreq->length = bh->bulk_out_intended_length = amount; + bh->outreq->short_not_ok = 1; start_transfer(fsg, fsg->bulk_out, bh->outreq, &bh->outreq_busy, &bh->state); fsg->next_buffhd_to_fill = bh->next; @@ -2398,6 +2412,7 @@ static int throw_away_data(struct fsg_dev *fsg) * the bulk-out maxpacket size */ bh->outreq->length = bh->bulk_out_intended_length = amount; + bh->outreq->short_not_ok = 1; start_transfer(fsg, fsg->bulk_out, bh->outreq, &bh->outreq_busy, &bh->state); fsg->next_buffhd_to_fill = bh->next; @@ -3029,6 +3044,7 @@ static int get_next_command(struct fsg_dev *fsg) /* Queue a request to read a Bulk-only CBW */ set_bulk_out_req_length(fsg, bh, USB_BULK_CB_WRAP_LEN); + bh->outreq->short_not_ok = 1; start_transfer(fsg, fsg->bulk_out, bh->outreq, &bh->outreq_busy, &bh->state); @@ -3859,7 +3875,7 @@ static int __init fsg_bind(struct usb_gadget *gadget) for (i = 0; i < fsg->nluns; ++i) { curlun = &fsg->luns[i]; - curlun->ro = ro[i]; + curlun->ro = mod_data.ro[i]; curlun->dev.parent = &gadget->dev; curlun->dev.driver = &fsg_driver.driver; dev_set_drvdata(&curlun->dev, fsg); @@ -3876,8 +3892,9 @@ static int __init fsg_bind(struct usb_gadget *gadget) kref_get(&fsg->ref); } - if (file[i] && *file[i]) { - if ((rc = open_backing_file(curlun, file[i])) != 0) + if (mod_data.file[i] && *mod_data.file[i]) { + if ((rc = open_backing_file(curlun, + mod_data.file[i])) != 0) goto out; } else if (!mod_data.removable) { ERROR(fsg, "no file given for LUN%d\n", i); @@ -3953,6 +3970,9 @@ static int __init fsg_bind(struct usb_gadget *gadget) for (i = 0; i < NUM_BUFFERS; ++i) { struct fsg_buffhd *bh = &fsg->buffhds[i]; + /* Allocate for the bulk-in endpoint. We assume that + * the buffer will also work with the bulk-out (and + * interrupt-in) endpoint. */ bh->buf = usb_ep_alloc_buffer(fsg->bulk_in, mod_data.buflen, &bh->dma, GFP_KERNEL); if (!bh->buf) diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h index c4081407171..aa80f091072 100644 --- a/drivers/usb/gadget/gadget_chips.h +++ b/drivers/usb/gadget/gadget_chips.h @@ -100,9 +100,9 @@ #define gadget_is_musbhsfc(g) 0 #endif -/* Mentor high speed "dual role" controller, peripheral mode */ -#ifdef CONFIG_USB_GADGET_MUSBHDRC -#define gadget_is_musbhdrc(g) !strcmp("musbhdrc_udc", (g)->name) +/* Mentor high speed "dual role" controller, in peripheral role */ +#ifdef CONFIG_USB_GADGET_MUSB_HDRC +#define gadget_is_musbhdrc(g) !strcmp("musb_hdrc", (g)->name) #else #define gadget_is_musbhdrc(g) 0 #endif diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 3f618ce6998..42b457030b0 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -810,7 +810,7 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) if (value == 0) data->state = STATE_EP_ENABLED; break; -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED case USB_SPEED_HIGH: /* fails if caller didn't provide that descriptor... */ value = usb_ep_enable (ep, &data->hs_desc); @@ -982,7 +982,7 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr) /* assume that was SET_CONFIGURATION */ if (dev->current_config) { unsigned power; -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED if (dev->gadget->speed == USB_SPEED_HIGH) power = dev->hs_config->bMaxPower; else @@ -1262,7 +1262,7 @@ static struct file_operations ep0_io_operations = { * Unrecognized ep0 requests may be handled in user space. */ -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED static void make_qualifier (struct dev_data *dev) { struct usb_qualifier_descriptor qual; @@ -1291,7 +1291,7 @@ static int config_buf (struct dev_data *dev, u8 type, unsigned index) { int len; -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED int hs; #endif @@ -1299,7 +1299,7 @@ config_buf (struct dev_data *dev, u8 type, unsigned index) if (index > 0) return -EINVAL; -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED hs = (dev->gadget->speed == USB_SPEED_HIGH); if (type == USB_DT_OTHER_SPEED_CONFIG) hs = !hs; @@ -1335,12 +1335,12 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) dev->state = STATE_CONNECTED; dev->dev->bMaxPacketSize0 = gadget->ep0->maxpacket; -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED if (gadget->speed == USB_SPEED_HIGH && dev->hs_config == 0) { ERROR (dev, "no high speed config??\n"); return -EINVAL; } -#endif /* HIGHSPEED */ +#endif /* CONFIG_USB_GADGET_DUALSPEED */ INFO (dev, "connected\n"); event = next_event (dev, GADGETFS_CONNECT); @@ -1352,11 +1352,11 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) /* ... down_trylock (&data->lock) ... */ if (data->state != STATE_EP_DEFER_ENABLE) continue; -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED if (gadget->speed == USB_SPEED_HIGH) value = usb_ep_enable (ep, &data->hs_desc); else -#endif /* HIGHSPEED */ +#endif /* CONFIG_USB_GADGET_DUALSPEED */ value = usb_ep_enable (ep, &data->desc); if (value) { ERROR (dev, "deferred %s enable --> %d\n", @@ -1391,7 +1391,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) value = min (w_length, (u16) sizeof *dev->dev); req->buf = dev->dev; break; -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED case USB_DT_DEVICE_QUALIFIER: if (!dev->hs_config) break; @@ -1428,7 +1428,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) // user mode expected to disable endpoints } else { u8 config, power; -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED if (gadget->speed == USB_SPEED_HIGH) { config = dev->hs_config->bConfigurationValue; power = dev->hs_config->bMaxPower; @@ -1728,7 +1728,7 @@ gadgetfs_suspend (struct usb_gadget *gadget) } static struct usb_gadget_driver gadgetfs_driver = { -#ifdef HIGHSPEED +#ifdef CONFIG_USB_GADGET_DUALSPEED .speed = USB_SPEED_HIGH, #else .speed = USB_SPEED_FULL, diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index fb73dc10053..6a4b93ad108 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -26,6 +26,8 @@ * Copyright (C) 2003 David Brownell * Copyright (C) 2003-2005 PLX Technology, Inc. * + * Modified Seth Levy 2005 PLX Technology, Inc. to provide compatibility with 2282 chip + * * 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 @@ -71,8 +73,8 @@ #include <asm/unaligned.h> -#define DRIVER_DESC "PLX NET2280 USB Peripheral Controller" -#define DRIVER_VERSION "2005 Feb 03" +#define DRIVER_DESC "PLX NET228x USB Peripheral Controller" +#define DRIVER_VERSION "2005 Sept 27" #define DMA_ADDR_INVALID (~(dma_addr_t)0) #define EP_DONTUSE 13 /* nonzero */ @@ -118,7 +120,7 @@ module_param (fifo_mode, ushort, 0644); /* enable_suspend -- When enabled, the driver will respond to * USB suspend requests by powering down the NET2280. Otherwise, * USB suspend requests will be ignored. This is acceptible for - * self-powered devices, and helps avoid some quirks. + * self-powered devices */ static int enable_suspend = 0; @@ -223,6 +225,11 @@ net2280_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) ep->is_in = (tmp & USB_DIR_IN) != 0; if (!ep->is_in) writel ((1 << SET_NAK_OUT_PACKETS), &ep->regs->ep_rsp); + else if (dev->pdev->device != 0x2280) { + /* Added for 2282, Don't use nak packets on an in endpoint, this was ignored on 2280 */ + writel ((1 << CLEAR_NAK_OUT_PACKETS) + | (1 << CLEAR_NAK_OUT_PACKETS_MODE), &ep->regs->ep_rsp); + } writel (tmp, &ep->regs->ep_cfg); @@ -232,8 +239,9 @@ net2280_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) writel (tmp, &dev->regs->pciirqenb0); tmp = (1 << DATA_PACKET_RECEIVED_INTERRUPT_ENABLE) - | (1 << DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE) - | readl (&ep->regs->ep_irqenb); + | (1 << DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE); + if (dev->pdev->device == 0x2280) + tmp |= readl (&ep->regs->ep_irqenb); writel (tmp, &ep->regs->ep_irqenb); } else { /* dma, per-request */ tmp = (1 << (8 + ep->num)); /* completion */ @@ -314,10 +322,18 @@ static void ep_reset (struct net2280_regs __iomem *regs, struct net2280_ep *ep) /* init to our chosen defaults, notably so that we NAK OUT * packets until the driver queues a read (+note erratum 0112) */ - tmp = (1 << SET_NAK_OUT_PACKETS_MODE) + if (!ep->is_in || ep->dev->pdev->device == 0x2280) { + tmp = (1 << SET_NAK_OUT_PACKETS_MODE) | (1 << SET_NAK_OUT_PACKETS) | (1 << CLEAR_EP_HIDE_STATUS_PHASE) | (1 << CLEAR_INTERRUPT_MODE); + } else { + /* added for 2282 */ + tmp = (1 << CLEAR_NAK_OUT_PACKETS_MODE) + | (1 << CLEAR_NAK_OUT_PACKETS) + | (1 << CLEAR_EP_HIDE_STATUS_PHASE) + | (1 << CLEAR_INTERRUPT_MODE); + } if (ep->num != 0) { tmp |= (1 << CLEAR_ENDPOINT_TOGGLE) @@ -326,14 +342,18 @@ static void ep_reset (struct net2280_regs __iomem *regs, struct net2280_ep *ep) writel (tmp, &ep->regs->ep_rsp); /* scrub most status bits, and flush any fifo state */ - writel ( (1 << TIMEOUT) + if (ep->dev->pdev->device == 0x2280) + tmp = (1 << FIFO_OVERFLOW) + | (1 << FIFO_UNDERFLOW); + else + tmp = 0; + + writel (tmp | (1 << TIMEOUT) | (1 << USB_STALL_SENT) | (1 << USB_IN_NAK_SENT) | (1 << USB_IN_ACK_RCVD) | (1 << USB_OUT_PING_NAK_SENT) | (1 << USB_OUT_ACK_SENT) - | (1 << FIFO_OVERFLOW) - | (1 << FIFO_UNDERFLOW) | (1 << FIFO_FLUSH) | (1 << SHORT_PACKET_OUT_DONE_INTERRUPT) | (1 << SHORT_PACKET_TRANSFERRED_INTERRUPT) @@ -718,7 +738,7 @@ fill_dma_desc (struct net2280_ep *ep, struct net2280_request *req, int valid) */ if (ep->is_in) dmacount |= (1 << DMA_DIRECTION); - else if ((dmacount % ep->ep.maxpacket) != 0) + if ((!ep->is_in && (dmacount % ep->ep.maxpacket) != 0) || ep->dev->pdev->device != 0x2280) dmacount |= (1 << END_OF_CHAIN); req->valid = valid; @@ -760,9 +780,12 @@ static inline void stop_dma (struct net2280_dma_regs __iomem *dma) static void start_queue (struct net2280_ep *ep, u32 dmactl, u32 td_dma) { struct net2280_dma_regs __iomem *dma = ep->dma; + unsigned int tmp = (1 << VALID_BIT) | (ep->is_in << DMA_DIRECTION); - writel ((1 << VALID_BIT) | (ep->is_in << DMA_DIRECTION), - &dma->dmacount); + if (ep->dev->pdev->device != 0x2280) + tmp |= (1 << END_OF_CHAIN); + + writel (tmp, &dma->dmacount); writel (readl (&dma->dmastat), &dma->dmastat); writel (td_dma, &dma->dmadesc); @@ -2110,7 +2133,11 @@ static void handle_ep_small (struct net2280_ep *ep) VDEBUG (ep->dev, "%s ack ep_stat %08x, req %p\n", ep->ep.name, t, req ? &req->req : 0); #endif - writel (t & ~(1 << NAK_OUT_PACKETS), &ep->regs->ep_stat); + if (!ep->is_in || ep->dev->pdev->device == 0x2280) + writel (t & ~(1 << NAK_OUT_PACKETS), &ep->regs->ep_stat); + else + /* Added for 2282 */ + writel (t, &ep->regs->ep_stat); /* for ep0, monitor token irqs to catch data stage length errors * and to synchronize on status. @@ -2214,7 +2241,8 @@ static void handle_ep_small (struct net2280_ep *ep) if (likely (req)) { req->td->dmacount = 0; t = readl (&ep->regs->ep_avail); - dma_done (ep, req, count, t); + dma_done (ep, req, count, + (ep->out_overflow || t) ? -EOVERFLOW : 0); } /* also flush to prevent erratum 0106 trouble */ @@ -2337,7 +2365,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat) u32 raw [2]; struct usb_ctrlrequest r; } u; - int tmp = 0; + int tmp; struct net2280_request *req; if (dev->gadget.speed == USB_SPEED_UNKNOWN) { @@ -2364,14 +2392,19 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat) } ep->stopped = 0; dev->protocol_stall = 0; - writel ( (1 << TIMEOUT) + + if (ep->dev->pdev->device == 0x2280) + tmp = (1 << FIFO_OVERFLOW) + | (1 << FIFO_UNDERFLOW); + else + tmp = 0; + + writel (tmp | (1 << TIMEOUT) | (1 << USB_STALL_SENT) | (1 << USB_IN_NAK_SENT) | (1 << USB_IN_ACK_RCVD) | (1 << USB_OUT_PING_NAK_SENT) | (1 << USB_OUT_ACK_SENT) - | (1 << FIFO_OVERFLOW) - | (1 << FIFO_UNDERFLOW) | (1 << SHORT_PACKET_OUT_DONE_INTERRUPT) | (1 << SHORT_PACKET_TRANSFERRED_INTERRUPT) | (1 << DATA_PACKET_RECEIVED_INTERRUPT) @@ -2385,6 +2418,8 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat) cpu_to_le32s (&u.raw [0]); cpu_to_le32s (&u.raw [1]); + tmp = 0; + #define w_value le16_to_cpup (&u.r.wValue) #define w_index le16_to_cpup (&u.r.wIndex) #define w_length le16_to_cpup (&u.r.wLength) @@ -2594,10 +2629,17 @@ static void handle_stat1_irqs (struct net2280 *dev, u32 stat) writel (stat, &dev->regs->irqstat1); /* some status we can just ignore */ - stat &= ~((1 << CONTROL_STATUS_INTERRUPT) - | (1 << SUSPEND_REQUEST_INTERRUPT) - | (1 << RESUME_INTERRUPT) - | (1 << SOF_INTERRUPT)); + if (dev->pdev->device == 0x2280) + stat &= ~((1 << CONTROL_STATUS_INTERRUPT) + | (1 << SUSPEND_REQUEST_INTERRUPT) + | (1 << RESUME_INTERRUPT) + | (1 << SOF_INTERRUPT)); + else + stat &= ~((1 << CONTROL_STATUS_INTERRUPT) + | (1 << RESUME_INTERRUPT) + | (1 << SOF_DOWN_INTERRUPT) + | (1 << SOF_INTERRUPT)); + if (!stat) return; // DEBUG (dev, "irqstat1 %08x\n", stat); @@ -2939,6 +2981,13 @@ static struct pci_device_id pci_ids [] = { { .device = 0x2280, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, +}, { + .class = ((PCI_CLASS_SERIAL_USB << 8) | 0xfe), + .class_mask = ~0, + .vendor = 0x17cc, + .device = 0x2282, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, }, { /* end: all zeroes */ } }; diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h index fff4509cf34..957d6df3401 100644 --- a/drivers/usb/gadget/net2280.h +++ b/drivers/usb/gadget/net2280.h @@ -22,420 +22,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -/*-------------------------------------------------------------------------*/ - -/* NET2280 MEMORY MAPPED REGISTERS - * - * The register layout came from the chip documentation, and the bit - * number definitions were extracted from chip specification. - * - * Use the shift operator ('<<') to build bit masks, with readl/writel - * to access the registers through PCI. - */ - -/* main registers, BAR0 + 0x0000 */ -struct net2280_regs { - // offset 0x0000 - u32 devinit; -#define LOCAL_CLOCK_FREQUENCY 8 -#define FORCE_PCI_RESET 7 -#define PCI_ID 6 -#define PCI_ENABLE 5 -#define FIFO_SOFT_RESET 4 -#define CFG_SOFT_RESET 3 -#define PCI_SOFT_RESET 2 -#define USB_SOFT_RESET 1 -#define M8051_RESET 0 - u32 eectl; -#define EEPROM_ADDRESS_WIDTH 23 -#define EEPROM_CHIP_SELECT_ACTIVE 22 -#define EEPROM_PRESENT 21 -#define EEPROM_VALID 20 -#define EEPROM_BUSY 19 -#define EEPROM_CHIP_SELECT_ENABLE 18 -#define EEPROM_BYTE_READ_START 17 -#define EEPROM_BYTE_WRITE_START 16 -#define EEPROM_READ_DATA 8 -#define EEPROM_WRITE_DATA 0 - u32 eeclkfreq; - u32 _unused0; - // offset 0x0010 - - u32 pciirqenb0; /* interrupt PCI master ... */ -#define SETUP_PACKET_INTERRUPT_ENABLE 7 -#define ENDPOINT_F_INTERRUPT_ENABLE 6 -#define ENDPOINT_E_INTERRUPT_ENABLE 5 -#define ENDPOINT_D_INTERRUPT_ENABLE 4 -#define ENDPOINT_C_INTERRUPT_ENABLE 3 -#define ENDPOINT_B_INTERRUPT_ENABLE 2 -#define ENDPOINT_A_INTERRUPT_ENABLE 1 -#define ENDPOINT_0_INTERRUPT_ENABLE 0 - u32 pciirqenb1; -#define PCI_INTERRUPT_ENABLE 31 -#define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 -#define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 -#define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 -#define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 -#define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 -#define PCI_TARGET_ABORT_ASSERTED_INTERRUPT_ENABLE 18 -#define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 -#define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 -#define GPIO_INTERRUPT_ENABLE 13 -#define DMA_D_INTERRUPT_ENABLE 12 -#define DMA_C_INTERRUPT_ENABLE 11 -#define DMA_B_INTERRUPT_ENABLE 10 -#define DMA_A_INTERRUPT_ENABLE 9 -#define EEPROM_DONE_INTERRUPT_ENABLE 8 -#define VBUS_INTERRUPT_ENABLE 7 -#define CONTROL_STATUS_INTERRUPT_ENABLE 6 -#define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 -#define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 -#define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 -#define RESUME_INTERRUPT_ENABLE 1 -#define SOF_INTERRUPT_ENABLE 0 - u32 cpu_irqenb0; /* ... or onboard 8051 */ -#define SETUP_PACKET_INTERRUPT_ENABLE 7 -#define ENDPOINT_F_INTERRUPT_ENABLE 6 -#define ENDPOINT_E_INTERRUPT_ENABLE 5 -#define ENDPOINT_D_INTERRUPT_ENABLE 4 -#define ENDPOINT_C_INTERRUPT_ENABLE 3 -#define ENDPOINT_B_INTERRUPT_ENABLE 2 -#define ENDPOINT_A_INTERRUPT_ENABLE 1 -#define ENDPOINT_0_INTERRUPT_ENABLE 0 - u32 cpu_irqenb1; -#define CPU_INTERRUPT_ENABLE 31 -#define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 -#define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 -#define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 -#define PCI_INTA_INTERRUPT_ENABLE 24 -#define PCI_PME_INTERRUPT_ENABLE 23 -#define PCI_SERR_INTERRUPT_ENABLE 22 -#define PCI_PERR_INTERRUPT_ENABLE 21 -#define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 -#define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 -#define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 -#define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 -#define GPIO_INTERRUPT_ENABLE 13 -#define DMA_D_INTERRUPT_ENABLE 12 -#define DMA_C_INTERRUPT_ENABLE 11 -#define DMA_B_INTERRUPT_ENABLE 10 -#define DMA_A_INTERRUPT_ENABLE 9 -#define EEPROM_DONE_INTERRUPT_ENABLE 8 -#define VBUS_INTERRUPT_ENABLE 7 -#define CONTROL_STATUS_INTERRUPT_ENABLE 6 -#define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 -#define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 -#define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 -#define RESUME_INTERRUPT_ENABLE 1 -#define SOF_INTERRUPT_ENABLE 0 - - // offset 0x0020 - u32 _unused1; - u32 usbirqenb1; -#define USB_INTERRUPT_ENABLE 31 -#define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 -#define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 -#define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 -#define PCI_INTA_INTERRUPT_ENABLE 24 -#define PCI_PME_INTERRUPT_ENABLE 23 -#define PCI_SERR_INTERRUPT_ENABLE 22 -#define PCI_PERR_INTERRUPT_ENABLE 21 -#define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 -#define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 -#define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 -#define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 -#define GPIO_INTERRUPT_ENABLE 13 -#define DMA_D_INTERRUPT_ENABLE 12 -#define DMA_C_INTERRUPT_ENABLE 11 -#define DMA_B_INTERRUPT_ENABLE 10 -#define DMA_A_INTERRUPT_ENABLE 9 -#define EEPROM_DONE_INTERRUPT_ENABLE 8 -#define VBUS_INTERRUPT_ENABLE 7 -#define CONTROL_STATUS_INTERRUPT_ENABLE 6 -#define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 -#define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 -#define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 -#define RESUME_INTERRUPT_ENABLE 1 -#define SOF_INTERRUPT_ENABLE 0 - u32 irqstat0; -#define INTA_ASSERTED 12 -#define SETUP_PACKET_INTERRUPT 7 -#define ENDPOINT_F_INTERRUPT 6 -#define ENDPOINT_E_INTERRUPT 5 -#define ENDPOINT_D_INTERRUPT 4 -#define ENDPOINT_C_INTERRUPT 3 -#define ENDPOINT_B_INTERRUPT 2 -#define ENDPOINT_A_INTERRUPT 1 -#define ENDPOINT_0_INTERRUPT 0 - u32 irqstat1; -#define POWER_STATE_CHANGE_INTERRUPT 27 -#define PCI_ARBITER_TIMEOUT_INTERRUPT 26 -#define PCI_PARITY_ERROR_INTERRUPT 25 -#define PCI_INTA_INTERRUPT 24 -#define PCI_PME_INTERRUPT 23 -#define PCI_SERR_INTERRUPT 22 -#define PCI_PERR_INTERRUPT 21 -#define PCI_MASTER_ABORT_RECEIVED_INTERRUPT 20 -#define PCI_TARGET_ABORT_RECEIVED_INTERRUPT 19 -#define PCI_RETRY_ABORT_INTERRUPT 17 -#define PCI_MASTER_CYCLE_DONE_INTERRUPT 16 -#define GPIO_INTERRUPT 13 -#define DMA_D_INTERRUPT 12 -#define DMA_C_INTERRUPT 11 -#define DMA_B_INTERRUPT 10 -#define DMA_A_INTERRUPT 9 -#define EEPROM_DONE_INTERRUPT 8 -#define VBUS_INTERRUPT 7 -#define CONTROL_STATUS_INTERRUPT 6 -#define ROOT_PORT_RESET_INTERRUPT 4 -#define SUSPEND_REQUEST_INTERRUPT 3 -#define SUSPEND_REQUEST_CHANGE_INTERRUPT 2 -#define RESUME_INTERRUPT 1 -#define SOF_INTERRUPT 0 - // offset 0x0030 - u32 idxaddr; - u32 idxdata; - u32 fifoctl; -#define PCI_BASE2_RANGE 16 -#define IGNORE_FIFO_AVAILABILITY 3 -#define PCI_BASE2_SELECT 2 -#define FIFO_CONFIGURATION_SELECT 0 - u32 _unused2; - // offset 0x0040 - u32 memaddr; -#define START 28 -#define DIRECTION 27 -#define FIFO_DIAGNOSTIC_SELECT 24 -#define MEMORY_ADDRESS 0 - u32 memdata0; - u32 memdata1; - u32 _unused3; - // offset 0x0050 - u32 gpioctl; -#define GPIO3_LED_SELECT 12 -#define GPIO3_INTERRUPT_ENABLE 11 -#define GPIO2_INTERRUPT_ENABLE 10 -#define GPIO1_INTERRUPT_ENABLE 9 -#define GPIO0_INTERRUPT_ENABLE 8 -#define GPIO3_OUTPUT_ENABLE 7 -#define GPIO2_OUTPUT_ENABLE 6 -#define GPIO1_OUTPUT_ENABLE 5 -#define GPIO0_OUTPUT_ENABLE 4 -#define GPIO3_DATA 3 -#define GPIO2_DATA 2 -#define GPIO1_DATA 1 -#define GPIO0_DATA 0 - u32 gpiostat; -#define GPIO3_INTERRUPT 3 -#define GPIO2_INTERRUPT 2 -#define GPIO1_INTERRUPT 1 -#define GPIO0_INTERRUPT 0 -} __attribute__ ((packed)); - -/* usb control, BAR0 + 0x0080 */ -struct net2280_usb_regs { - // offset 0x0080 - u32 stdrsp; -#define STALL_UNSUPPORTED_REQUESTS 31 -#define SET_TEST_MODE 16 -#define GET_OTHER_SPEED_CONFIGURATION 15 -#define GET_DEVICE_QUALIFIER 14 -#define SET_ADDRESS 13 -#define ENDPOINT_SET_CLEAR_HALT 12 -#define DEVICE_SET_CLEAR_DEVICE_REMOTE_WAKEUP 11 -#define GET_STRING_DESCRIPTOR_2 10 -#define GET_STRING_DESCRIPTOR_1 9 -#define GET_STRING_DESCRIPTOR_0 8 -#define GET_SET_INTERFACE 6 -#define GET_SET_CONFIGURATION 5 -#define GET_CONFIGURATION_DESCRIPTOR 4 -#define GET_DEVICE_DESCRIPTOR 3 -#define GET_ENDPOINT_STATUS 2 -#define GET_INTERFACE_STATUS 1 -#define GET_DEVICE_STATUS 0 - u32 prodvendid; -#define PRODUCT_ID 16 -#define VENDOR_ID 0 - u32 relnum; - u32 usbctl; -#define SERIAL_NUMBER_INDEX 16 -#define PRODUCT_ID_STRING_ENABLE 13 -#define VENDOR_ID_STRING_ENABLE 12 -#define USB_ROOT_PORT_WAKEUP_ENABLE 11 -#define VBUS_PIN 10 -#define TIMED_DISCONNECT 9 -#define SUSPEND_IMMEDIATELY 7 -#define SELF_POWERED_USB_DEVICE 6 -#define REMOTE_WAKEUP_SUPPORT 5 -#define PME_POLARITY 4 -#define USB_DETECT_ENABLE 3 -#define PME_WAKEUP_ENABLE 2 -#define DEVICE_REMOTE_WAKEUP_ENABLE 1 -#define SELF_POWERED_STATUS 0 - // offset 0x0090 - u32 usbstat; -#define HIGH_SPEED 7 -#define FULL_SPEED 6 -#define GENERATE_RESUME 5 -#define GENERATE_DEVICE_REMOTE_WAKEUP 4 - u32 xcvrdiag; -#define FORCE_HIGH_SPEED_MODE 31 -#define FORCE_FULL_SPEED_MODE 30 -#define USB_TEST_MODE 24 -#define LINE_STATE 16 -#define TRANSCEIVER_OPERATION_MODE 2 -#define TRANSCEIVER_SELECT 1 -#define TERMINATION_SELECT 0 - u32 setup0123; - u32 setup4567; - // offset 0x0090 - u32 _unused0; - u32 ouraddr; -#define FORCE_IMMEDIATE 7 -#define OUR_USB_ADDRESS 0 - u32 ourconfig; -} __attribute__ ((packed)); - -/* pci control, BAR0 + 0x0100 */ -struct net2280_pci_regs { - // offset 0x0100 - u32 pcimstctl; -#define PCI_ARBITER_PARK_SELECT 13 -#define PCI_MULTI LEVEL_ARBITER 12 -#define PCI_RETRY_ABORT_ENABLE 11 -#define DMA_MEMORY_WRITE_AND_INVALIDATE_ENABLE 10 -#define DMA_READ_MULTIPLE_ENABLE 9 -#define DMA_READ_LINE_ENABLE 8 -#define PCI_MASTER_COMMAND_SELECT 6 -#define MEM_READ_OR_WRITE 0 -#define IO_READ_OR_WRITE 1 -#define CFG_READ_OR_WRITE 2 -#define PCI_MASTER_START 5 -#define PCI_MASTER_READ_WRITE 4 -#define PCI_MASTER_WRITE 0 -#define PCI_MASTER_READ 1 -#define PCI_MASTER_BYTE_WRITE_ENABLES 0 - u32 pcimstaddr; - u32 pcimstdata; - u32 pcimststat; -#define PCI_ARBITER_CLEAR 2 -#define PCI_EXTERNAL_ARBITER 1 -#define PCI_HOST_MODE 0 -} __attribute__ ((packed)); - -/* dma control, BAR0 + 0x0180 ... array of four structs like this, - * for channels 0..3. see also struct net2280_dma: descriptor - * that can be loaded into some of these registers. - */ -struct net2280_dma_regs { /* [11.7] */ - // offset 0x0180, 0x01a0, 0x01c0, 0x01e0, - u32 dmactl; -#define DMA_SCATTER_GATHER_DONE_INTERRUPT_ENABLE 25 -#define DMA_CLEAR_COUNT_ENABLE 21 -#define DESCRIPTOR_POLLING_RATE 19 -#define POLL_CONTINUOUS 0 -#define POLL_1_USEC 1 -#define POLL_100_USEC 2 -#define POLL_1_MSEC 3 -#define DMA_VALID_BIT_POLLING_ENABLE 18 -#define DMA_VALID_BIT_ENABLE 17 -#define DMA_SCATTER_GATHER_ENABLE 16 -#define DMA_OUT_AUTO_START_ENABLE 4 -#define DMA_PREEMPT_ENABLE 3 -#define DMA_FIFO_VALIDATE 2 -#define DMA_ENABLE 1 -#define DMA_ADDRESS_HOLD 0 - u32 dmastat; -#define DMA_SCATTER_GATHER_DONE_INTERRUPT 25 -#define DMA_TRANSACTION_DONE_INTERRUPT 24 -#define DMA_ABORT 1 -#define DMA_START 0 - u32 _unused0 [2]; - // offset 0x0190, 0x01b0, 0x01d0, 0x01f0, - u32 dmacount; -#define VALID_BIT 31 -#define DMA_DIRECTION 30 -#define DMA_DONE_INTERRUPT_ENABLE 29 -#define END_OF_CHAIN 28 -#define DMA_BYTE_COUNT_MASK ((1<<24)-1) -#define DMA_BYTE_COUNT 0 - u32 dmaaddr; - u32 dmadesc; - u32 _unused1; -} __attribute__ ((packed)); - -/* dedicated endpoint registers, BAR0 + 0x0200 */ - -struct net2280_dep_regs { /* [11.8] */ - // offset 0x0200, 0x0210, 0x220, 0x230, 0x240 - u32 dep_cfg; - // offset 0x0204, 0x0214, 0x224, 0x234, 0x244 - u32 dep_rsp; - u32 _unused [2]; -} __attribute__ ((packed)); - -/* configurable endpoint registers, BAR0 + 0x0300 ... array of seven structs - * like this, for ep0 then the configurable endpoints A..F - * ep0 reserved for control; E and F have only 64 bytes of fifo - */ -struct net2280_ep_regs { /* [11.9] */ - // offset 0x0300, 0x0320, 0x0340, 0x0360, 0x0380, 0x03a0, 0x03c0 - u32 ep_cfg; -#define ENDPOINT_BYTE_COUNT 16 -#define ENDPOINT_ENABLE 10 -#define ENDPOINT_TYPE 8 -#define ENDPOINT_DIRECTION 7 -#define ENDPOINT_NUMBER 0 - u32 ep_rsp; -#define SET_NAK_OUT_PACKETS 15 -#define SET_EP_HIDE_STATUS_PHASE 14 -#define SET_EP_FORCE_CRC_ERROR 13 -#define SET_INTERRUPT_MODE 12 -#define SET_CONTROL_STATUS_PHASE_HANDSHAKE 11 -#define SET_NAK_OUT_PACKETS_MODE 10 -#define SET_ENDPOINT_TOGGLE 9 -#define SET_ENDPOINT_HALT 8 -#define CLEAR_NAK_OUT_PACKETS 7 -#define CLEAR_EP_HIDE_STATUS_PHASE 6 -#define CLEAR_EP_FORCE_CRC_ERROR 5 -#define CLEAR_INTERRUPT_MODE 4 -#define CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE 3 -#define CLEAR_NAK_OUT_PACKETS_MODE 2 -#define CLEAR_ENDPOINT_TOGGLE 1 -#define CLEAR_ENDPOINT_HALT 0 - u32 ep_irqenb; -#define SHORT_PACKET_OUT_DONE_INTERRUPT_ENABLE 6 -#define SHORT_PACKET_TRANSFERRED_INTERRUPT_ENABLE 5 -#define DATA_PACKET_RECEIVED_INTERRUPT_ENABLE 3 -#define DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE 2 -#define DATA_OUT_PING_TOKEN_INTERRUPT_ENABLE 1 -#define DATA_IN_TOKEN_INTERRUPT_ENABLE 0 - u32 ep_stat; -#define FIFO_VALID_COUNT 24 -#define HIGH_BANDWIDTH_OUT_TRANSACTION_PID 22 -#define TIMEOUT 21 -#define USB_STALL_SENT 20 -#define USB_IN_NAK_SENT 19 -#define USB_IN_ACK_RCVD 18 -#define USB_OUT_PING_NAK_SENT 17 -#define USB_OUT_ACK_SENT 16 -#define FIFO_OVERFLOW 13 -#define FIFO_UNDERFLOW 12 -#define FIFO_FULL 11 -#define FIFO_EMPTY 10 -#define FIFO_FLUSH 9 -#define SHORT_PACKET_OUT_DONE_INTERRUPT 6 -#define SHORT_PACKET_TRANSFERRED_INTERRUPT 5 -#define NAK_OUT_PACKETS 4 -#define DATA_PACKET_RECEIVED_INTERRUPT 3 -#define DATA_PACKET_TRANSMITTED_INTERRUPT 2 -#define DATA_OUT_PING_TOKEN_INTERRUPT 1 -#define DATA_IN_TOKEN_INTERRUPT 0 - // offset 0x0310, 0x0330, 0x0350, 0x0370, 0x0390, 0x03b0, 0x03d0 - u32 ep_avail; - u32 ep_data; - u32 _unused0 [2]; -} __attribute__ ((packed)); +#include <linux/usb/net2280.h> /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c index 51424f66a76..68e3d8f5da8 100644 --- a/drivers/usb/gadget/zero.c +++ b/drivers/usb/gadget/zero.c @@ -572,9 +572,10 @@ static void source_sink_complete (struct usb_ep *ep, struct usb_request *req) switch (status) { case 0: /* normal completion? */ - if (ep == dev->out_ep) + if (ep == dev->out_ep) { check_read_data (dev, ep, req); - else + memset (req->buf, 0x55, req->length); + } else reinit_write_data (dev, ep, req); break; @@ -626,6 +627,8 @@ source_sink_start_ep (struct usb_ep *ep, gfp_t gfp_flags) if (strcmp (ep->name, EP_IN_NAME) == 0) reinit_write_data (ep->driver_data, ep, req); + else + memset (req->buf, 0x55, req->length); status = usb_ep_queue (ep, req, gfp_flags); if (status) { |