diff options
Diffstat (limited to 'drivers/isdn/hardware')
-rw-r--r-- | drivers/isdn/hardware/avm/avm_cs.c | 185 |
1 files changed, 56 insertions, 129 deletions
diff --git a/drivers/isdn/hardware/avm/avm_cs.c b/drivers/isdn/hardware/avm/avm_cs.c index 2a2b03ff096..7bbfd85ab79 100644 --- a/drivers/isdn/hardware/avm/avm_cs.c +++ b/drivers/isdn/hardware/avm/avm_cs.c @@ -51,8 +51,8 @@ MODULE_LICENSE("GPL"); handler. */ -static void avmcs_config(dev_link_t *link); -static void avmcs_release(dev_link_t *link); +static int avmcs_config(struct pcmcia_device *link); +static void avmcs_release(struct pcmcia_device *link); /* The attach() and detach() entry points are used to create and destroy @@ -65,10 +65,10 @@ static void avmcs_detach(struct pcmcia_device *p_dev); /* A linked list of "instances" of the skeleton 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. */ @@ -78,7 +78,7 @@ static void avmcs_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 can't be allocated dynamically. */ @@ -99,54 +99,38 @@ typedef struct local_info_t { ======================================================================*/ -static int avmcs_attach(struct pcmcia_device *p_dev) +static int avmcs_probe(struct pcmcia_device *p_dev) { - dev_link_t *link; local_info_t *local; - /* Initialize the dev_link_t structure */ - link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); - if (!link) - goto err; - memset(link, 0, sizeof(struct dev_link_t)); - /* The io structure describes IO port mapping */ - link->io.NumPorts1 = 16; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; - link->io.NumPorts2 = 0; + p_dev->io.NumPorts1 = 16; + p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + p_dev->io.NumPorts2 = 0; /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; - link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; + + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - /* 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; /* Allocate space for private device-specific data */ local = kmalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) - goto err_kfree; + goto err; memset(local, 0, sizeof(local_info_t)); - link->priv = local; + p_dev->priv = local; - link->handle = p_dev; - p_dev->instance = link; + return avmcs_config(p_dev); - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - avmcs_config(link); - - return 0; - - err_kfree: - kfree(link); err: - return -EINVAL; + return -ENOMEM; } /* avmcs_attach */ /*====================================================================== @@ -158,15 +142,10 @@ static int avmcs_attach(struct pcmcia_device *p_dev) ======================================================================*/ -static void avmcs_detach(struct pcmcia_device *p_dev) +static void avmcs_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - - if (link->state & DEV_CONFIG) avmcs_release(link); - - kfree(link->priv); - kfree(link); + kfree(link->priv); } /* avmcs_detach */ /*====================================================================== @@ -177,7 +156,7 @@ static void avmcs_detach(struct pcmcia_device *p_dev) ======================================================================*/ -static int get_tuple(client_handle_t handle, tuple_t *tuple, +static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) { int i = pcmcia_get_tuple_data(handle, tuple); @@ -185,7 +164,7 @@ static int get_tuple(client_handle_t handle, tuple_t *tuple, return pcmcia_parse_tuple(handle, tuple, parse); } -static int first_tuple(client_handle_t handle, tuple_t *tuple, +static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) { int i = pcmcia_get_first_tuple(handle, tuple); @@ -193,7 +172,7 @@ static int first_tuple(client_handle_t handle, tuple_t *tuple, return get_tuple(handle, tuple, parse); } -static int next_tuple(client_handle_t handle, tuple_t *tuple, +static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) { int i = pcmcia_get_next_tuple(handle, tuple); @@ -201,9 +180,8 @@ static int next_tuple(client_handle_t handle, tuple_t *tuple, return get_tuple(handle, tuple, parse); } -static void avmcs_config(dev_link_t *link) +static int avmcs_config(struct pcmcia_device *link) { - client_handle_t handle; tuple_t tuple; cisparse_t parse; cistpl_cftable_entry_t *cf = &parse.cftable_entry; @@ -213,8 +191,7 @@ static void avmcs_config(dev_link_t *link) char devname[128]; int cardtype; int (*addcard)(unsigned int port, unsigned irq); - - handle = link->handle; + dev = link->priv; /* @@ -223,25 +200,21 @@ static void avmcs_config(dev_link_t *link) */ do { 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 = 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; } while (0); if (i != CS_SUCCESS) { - cs_error(link->handle, ParseTuple, i); - link->state &= ~DEV_CONFIG_PENDING; - return; + cs_error(link, ParseTuple, i); + return -ENODEV; } - - /* Configure card */ - link->state |= DEV_CONFIG; do { @@ -252,7 +225,7 @@ static void avmcs_config(dev_link_t *link) tuple.DesiredTuple = CISTPL_VERS_1; devname[0] = 0; - if( !first_tuple(handle, &tuple, &parse) && parse.version_1.ns > 1 ) { + if( !first_tuple(link, &tuple, &parse) && parse.version_1.ns > 1 ) { strlcpy(devname,parse.version_1.str + parse.version_1.ofs[1], sizeof(devname)); } @@ -263,7 +236,7 @@ static void avmcs_config(dev_link_t *link) tuple.TupleOffset = 0; tuple.TupleDataMax = 255; tuple.Attributes = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - i = first_tuple(handle, &tuple, &parse); + i = first_tuple(link, &tuple, &parse); while (i == CS_SUCCESS) { if (cf->io.nwin > 0) { link->conf.ConfigIndex = cf->index; @@ -273,36 +246,36 @@ static void avmcs_config(dev_link_t *link) printk(KERN_INFO "avm_cs: testing i/o %#x-%#x\n", link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1-1); - i = pcmcia_request_io(link->handle, &link->io); + i = pcmcia_request_io(link, &link->io); if (i == CS_SUCCESS) goto found_port; } - i = next_tuple(handle, &tuple, &parse); + i = next_tuple(link, &tuple, &parse); } found_port: if (i != CS_SUCCESS) { - cs_error(link->handle, RequestIO, i); + cs_error(link, RequestIO, i); break; } - + /* * allocate an interrupt line */ - 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); - pcmcia_release_io(link->handle, &link->io); + cs_error(link, RequestIRQ, i); + /* undo */ + pcmcia_disable_device(link); break; } - + /* * configure the PCMCIA socket */ - 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); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); + cs_error(link, RequestConfiguration, i); + pcmcia_disable_device(link); break; } @@ -331,13 +304,12 @@ found_port: dev->node.major = 64; dev->node.minor = 0; - link->dev = &dev->node; - - link->state &= ~DEV_CONFIG_PENDING; + link->dev_node = &dev->node; + /* If any step failed, release any partially configured state */ if (i != 0) { avmcs_release(link); - return; + return -ENODEV; } @@ -351,9 +323,10 @@ found_port: printk(KERN_ERR "avm_cs: failed to add AVM-%s-Controller at i/o %#x, irq %d\n", dev->node.dev_name, link->io.BasePort1, link->irq.AssignedIRQ); avmcs_release(link); - return; + return -ENODEV; } dev->node.minor = i; + return 0; } /* avmcs_config */ @@ -365,56 +338,12 @@ found_port: ======================================================================*/ -static void avmcs_release(dev_link_t *link) +static void avmcs_release(struct pcmcia_device *link) { - b1pcmcia_delcard(link->io.BasePort1, link->irq.AssignedIRQ); - - /* Unlink the device chain */ - 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; + b1pcmcia_delcard(link->io.BasePort1, link->irq.AssignedIRQ); + pcmcia_disable_device(link); } /* avmcs_release */ -static int avmcs_suspend(struct pcmcia_device *dev) -{ - dev_link_t *link = dev_to_instance(dev); - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - - return 0; -} - -static int avmcs_resume(struct pcmcia_device *dev) -{ - dev_link_t *link = dev_to_instance(dev); - - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); - - return 0; -} - -/*====================================================================== - - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. - - When a CARD_REMOVAL event is received, we immediately set a flag - to block future accesses to this device. All the functions that - actually access the device should check this flag to make sure - the card is still present. - -======================================================================*/ - static struct pcmcia_device_id avmcs_ids[] = { PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN-Controller B1", 0x95d42008, 0x845dc335), @@ -429,11 +358,9 @@ static struct pcmcia_driver avmcs_driver = { .drv = { .name = "avm_cs", }, - .probe = avmcs_attach, + .probe = avmcs_probe, .remove = avmcs_detach, .id_table = avmcs_ids, - .suspend= avmcs_suspend, - .resume = avmcs_resume, }; static int __init avmcs_init(void) |