diff options
Diffstat (limited to 'drivers/parport')
-rw-r--r-- | drivers/parport/parport_cs.c | 129 |
1 files changed, 36 insertions, 93 deletions
diff --git a/drivers/parport/parport_cs.c b/drivers/parport/parport_cs.c index 158d9256325..b953d5907c0 100644 --- a/drivers/parport/parport_cs.c +++ b/drivers/parport/parport_cs.c @@ -81,15 +81,15 @@ static char *version = #define FORCE_EPP_MODE 0x08 typedef struct parport_info_t { - dev_link_t link; + struct pcmcia_device *p_dev; int ndev; dev_node_t node; struct parport *port; } parport_info_t; static void parport_detach(struct pcmcia_device *p_dev); -static void parport_config(dev_link_t *link); -static void parport_cs_release(dev_link_t *); +static int parport_config(struct pcmcia_device *link); +static void parport_cs_release(struct pcmcia_device *); /*====================================================================== @@ -99,10 +99,9 @@ static void parport_cs_release(dev_link_t *); ======================================================================*/ -static int parport_attach(struct pcmcia_device *p_dev) +static int parport_probe(struct pcmcia_device *link) { parport_info_t *info; - dev_link_t *link; DEBUG(0, "parport_attach()\n"); @@ -110,23 +109,17 @@ static int parport_attach(struct pcmcia_device *p_dev) info = kmalloc(sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; memset(info, 0, sizeof(*info)); - link = &info->link; link->priv = info; + link->priv = info; + info->p_dev = link; link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - parport_config(link); - - return 0; + return parport_config(link); } /* parport_attach */ /*====================================================================== @@ -138,14 +131,11 @@ static int parport_attach(struct pcmcia_device *p_dev) ======================================================================*/ -static void parport_detach(struct pcmcia_device *p_dev) +static void parport_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - DEBUG(0, "parport_detach(0x%p)\n", link); - if (link->state & DEV_CONFIG) - parport_cs_release(link); + parport_cs_release(link); kfree(link->priv); } /* parport_detach */ @@ -161,14 +151,12 @@ static void parport_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) -void parport_config(dev_link_t *link) +static int parport_config(struct pcmcia_device *link) { - client_handle_t handle = link->handle; parport_info_t *info = link->priv; tuple_t tuple; u_short buf[128]; cisparse_t parse; - config_info_t conf; cistpl_cftable_entry_t *cfg = &parse.cftable_entry; cistpl_cftable_entry_t dflt = { 0 }; struct parport *p; @@ -180,24 +168,18 @@ void parport_config(dev_link_t *link) tuple.TupleOffset = 0; tuple.TupleDataMax = 255; tuple.Attributes = 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; - /* Not sure if this is right... look up the current Vcc */ - CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; tuple.Attributes = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { - 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->io.nwin > 0) || (dflt.io.nwin > 0)) { @@ -212,7 +194,7 @@ void parport_config(dev_link_t *link) link->io.BasePort2 = io->win[1].base; link->io.NumPorts2 = io->win[1].len; } - if (pcmcia_request_io(link->handle, &link->io) != 0) + if (pcmcia_request_io(link, &link->io) != 0) goto next_entry; /* If we've got this far, we're done */ break; @@ -220,15 +202,12 @@ void parport_config(dev_link_t *link) next_entry: if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; - CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); + CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); } - CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq)); - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); - release_region(link->io.BasePort1, link->io.NumPorts1); - if (link->io.NumPorts2) - release_region(link->io.BasePort2, link->io.NumPorts2); p = parport_pc_probe_port(link->io.BasePort1, link->io.BasePort2, link->irq.AssignedIRQ, PARPORT_DMA_NONE, NULL); @@ -247,17 +226,15 @@ void parport_config(dev_link_t *link) info->node.minor = p->number; info->port = p; strcpy(info->node.dev_name, p->name); - link->dev = &info->node; + link->dev_node = &info->node; + + return 0; - link->state &= ~DEV_CONFIG_PENDING; - return; - cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); failed: parport_cs_release(link); - link->state &= ~DEV_CONFIG_PENDING; - + return -ENODEV; } /* parport_config */ /*====================================================================== @@ -268,53 +245,21 @@ failed: ======================================================================*/ -void parport_cs_release(dev_link_t *link) -{ - parport_info_t *info = link->priv; - - DEBUG(0, "parport_release(0x%p)\n", link); - - if (info->ndev) { - struct parport *p = info->port; - parport_pc_unregister_port(p); - request_region(link->io.BasePort1, link->io.NumPorts1, - info->node.dev_name); - if (link->io.NumPorts2) - request_region(link->io.BasePort2, link->io.NumPorts2, - info->node.dev_name); - } - info->ndev = 0; - link->dev = NULL; - - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); - - link->state &= ~DEV_CONFIG; - -} /* parport_cs_release */ - -static int parport_suspend(struct pcmcia_device *dev) +void parport_cs_release(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); + parport_info_t *info = link->priv; - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); + DEBUG(0, "parport_release(0x%p)\n", link); - return 0; -} - -static int parport_resume(struct pcmcia_device *dev) -{ - dev_link_t *link = dev_to_instance(dev); + if (info->ndev) { + struct parport *p = info->port; + parport_pc_unregister_port(p); + } + info->ndev = 0; - link->state &= ~DEV_SUSPEND; - if (DEV_OK(link)) - pcmcia_request_configuration(link->handle, &link->conf); + pcmcia_disable_device(link); +} /* parport_cs_release */ - return 0; -} static struct pcmcia_device_id parport_ids[] = { PCMCIA_DEVICE_FUNC_ID(3), @@ -328,11 +273,9 @@ static struct pcmcia_driver parport_cs_driver = { .drv = { .name = "parport_cs", }, - .probe = parport_attach, + .probe = parport_probe, .remove = parport_detach, .id_table = parport_ids, - .suspend = parport_suspend, - .resume = parport_resume, }; static int __init init_parport_cs(void) |