handler.
*/
-static void teles_cs_config(dev_link_t *link);
-static void teles_cs_release(dev_link_t *link);
-static int teles_cs_event(event_t event, int priority,
- event_callback_args_t *args);
+static int teles_cs_config(struct pcmcia_device *link);
+static void teles_cs_release(struct pcmcia_device *link);
/*
The attach() and detach() entry points are used to create and destroy
needed to manage one actual PCMCIA card.
*/
-static dev_link_t *teles_attach(void);
-static void teles_detach(dev_link_t *);
-
-/*
- The dev_info variable is the "key" that is used to match up this
- device driver with appropriate cards, through the card configuration
- database.
-*/
-
-static dev_info_t dev_info = "teles_cs";
+static void teles_detach(struct pcmcia_device *p_dev);
/*
A linked list of "instances" of the teles_cs 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.
*/
-static dev_link_t *dev_list = NULL;
-
/*
- A dev_link_t 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
- a device-specific private data structure, like this.
-
- To simplify the data structure handling, we actually include the
- dev_link_t structure in the device's private data structure.
-
A driver needs to provide a dev_node_t structure for each device
on a card. In some cases, there is only one device per card (for
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.
In this case, we also provide a flag to indicate if a device is
*/
typedef struct local_info_t {
- dev_link_t link;
+ struct pcmcia_device *p_dev;
dev_node_t node;
int busy;
int cardnr;
======================================================================*/
-static dev_link_t *teles_attach(void)
+static int teles_probe(struct pcmcia_device *link)
{
- client_reg_t client_reg;
- dev_link_t *link;
local_info_t *local;
- int ret;
DEBUG(0, "teles_attach()\n");
/* Allocate space for private device-specific data */
- local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
- if (!local) return NULL;
- memset(local, 0, sizeof(local_info_t));
+ local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
+ if (!local) return -ENOMEM;
local->cardnr = -1;
- link = &local->link; link->priv = local;
+
+ local->p_dev = link;
+ link->priv = local;
/* Interrupt setup */
link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
link->io.IOAddrLines = 5;
link->conf.Attributes = CONF_ENABLE_IRQ;
- link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
- /* Register with Card Services */
- link->next = dev_list;
- dev_list = link;
- client_reg.dev_info = &dev_info;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
- ret = pcmcia_register_client(&link->handle, &client_reg);
- if (ret != CS_SUCCESS) {
- cs_error(link->handle, RegisterClient, ret);
- teles_detach(link);
- return NULL;
- }
-
- return link;
+ return teles_cs_config(link);
} /* teles_attach */
/*======================================================================
======================================================================*/
-static void teles_detach(dev_link_t *link)
+static void teles_detach(struct pcmcia_device *link)
{
- dev_link_t **linkp;
- local_info_t *info = link->priv;
- int ret;
-
- DEBUG(0, "teles_detach(0x%p)\n", link);
-
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link) break;
- if (*linkp == NULL)
- return;
-
- if (link->state & DEV_CONFIG)
- teles_cs_release(link);
-
- /* Break the link with Card Services */
- if (link->handle) {
- ret = pcmcia_deregister_client(link->handle);
- if (ret != CS_SUCCESS)
- cs_error(link->handle, DeregisterClient, ret);
- }
+ local_info_t *info = link->priv;
+
+ DEBUG(0, "teles_detach(0x%p)\n", link);
- /* Unlink device structure and free it */
- *linkp = link->next;
- kfree(info);
+ info->busy = 1;
+ teles_cs_release(link);
+ kfree(info);
} /* teles_detach */
/*======================================================================
device available to the system.
======================================================================*/
-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);
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);
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);
return get_tuple(handle, tuple, parse);
}
-static void teles_cs_config(dev_link_t *link)
+static int teles_cs_config(struct pcmcia_device *link)
{
- client_handle_t handle;
tuple_t tuple;
cisparse_t parse;
local_info_t *dev;
IsdnCard_t icard;
DEBUG(0, "teles_config(0x%p)\n", link);
- handle = link->handle;
dev = link->priv;
- /*
- This reads the card's CONFIG tuple to find its configuration
- registers.
- */
- tuple.DesiredTuple = CISTPL_CONFIG;
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleDataMax = 255;
- tuple.TupleOffset = 0;
- tuple.Attributes = 0;
- i = first_tuple(handle, &tuple, &parse);
- if (i != CS_SUCCESS) {
- last_fn = ParseTuple;
- goto cs_failed;
- }
- link->conf.ConfigBase = parse.config.base;
- link->conf.Present = parse.config.rmask[0];
-
- /* Configure card */
- link->state |= DEV_CONFIG;
-
tuple.TupleData = (cisdata_t *)buf;
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) && cf->io.win[0].base) {
printk(KERN_INFO "(teles_cs: looks like the 96 model)\n");
link->conf.ConfigIndex = cf->index;
link->io.BasePort1 = cf->io.win[0].base;
- i = pcmcia_request_io(link->handle, &link->io);
+ i = pcmcia_request_io(link, &link->io);
if (i == CS_SUCCESS) break;
} else {
printk(KERN_INFO "(teles_cs: looks like the 97 model)\n");
link->conf.ConfigIndex = cf->index;
for (i = 0, j = 0x2f0; j > 0x100; j -= 0x10) {
link->io.BasePort1 = j;
- i = pcmcia_request_io(link->handle, &link->io);
+ i = pcmcia_request_io(link, &link->io);
if (i == CS_SUCCESS) break;
}
break;
}
- i = next_tuple(handle, &tuple, &parse);
+ i = next_tuple(link, &tuple, &parse);
}
if (i != CS_SUCCESS) {
goto cs_failed;
}
- i = pcmcia_request_irq(link->handle, &link->irq);
+ i = pcmcia_request_irq(link, &link->irq);
if (i != CS_SUCCESS) {
link->irq.AssignedIRQ = 0;
last_fn = RequestIRQ;
goto cs_failed;
}
- i = pcmcia_request_configuration(link->handle, &link->conf);
+ i = pcmcia_request_configuration(link, &link->conf);
if (i != CS_SUCCESS) {
last_fn = RequestConfiguration;
goto cs_failed;
sprintf(dev->node.dev_name, "teles");
dev->node.major = dev->node.minor = 0x0;
- 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.Attributes & CONF_ENABLE_IRQ)
printk(", irq %d", link->irq.AssignedIRQ);
if (link->io.NumPorts1)
link->io.BasePort2+link->io.NumPorts2-1);
printk("\n");
- link->state &= ~DEV_CONFIG_PENDING;
-
icard.para[0] = link->irq.AssignedIRQ;
icard.para[1] = link->io.BasePort1;
icard.protocol = protocol;
printk(KERN_ERR "teles_cs: failed to initialize Teles PCMCIA %d at i/o %#x\n",
i, link->io.BasePort1);
teles_cs_release(link);
- } else
- ((local_info_t*)link->priv)->cardnr = i;
+ return -ENODEV;
+ }
+
+ ((local_info_t*)link->priv)->cardnr = i;
+ return 0;
- return;
cs_failed:
- cs_error(link->handle, last_fn, i);
+ cs_error(link, last_fn, i);
teles_cs_release(link);
+ return -ENODEV;
} /* teles_cs_config */
/*======================================================================
======================================================================*/
-static void teles_cs_release(dev_link_t *link)
+static void teles_cs_release(struct pcmcia_device *link)
{
local_info_t *local = link->priv;
HiSax_closecard(local->cardnr);
}
}
- /* Unlink the device chain */
- link->dev = NULL;
-
- /* Don't bother checking to see if these succeed or not */
- if (link->win)
- 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;
-} /* teles_cs_release */
-/*======================================================================
+ pcmcia_disable_device(link);
+} /* teles_cs_release */
- 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.
+static int teles_suspend(struct pcmcia_device *link)
+{
+ local_info_t *dev = link->priv;
- 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.
+ dev->busy = 1;
-======================================================================*/
+ return 0;
+}
-static int teles_cs_event(event_t event, int priority,
- event_callback_args_t *args)
+static int teles_resume(struct pcmcia_device *link)
{
- dev_link_t *link = args->client_data;
- local_info_t *dev = link->priv;
-
- DEBUG(1, "teles_cs_event(%d)\n", event);
+ local_info_t *dev = link->priv;
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- ((local_info_t*)link->priv)->busy = 1;
- teles_cs_release(link);
- }
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- teles_cs_config(link);
- break;
- case CS_EVENT_PM_SUSPEND:
- link->state |= DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_RESET_PHYSICAL:
- /* Mark the device as stopped, to block IO until later */
- dev->busy = 1;
- if (link->state & DEV_CONFIG)
- pcmcia_release_configuration(link->handle);
- break;
- case CS_EVENT_PM_RESUME:
- link->state &= ~DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_CARD_RESET:
- if (link->state & DEV_CONFIG)
- pcmcia_request_configuration(link->handle, &link->conf);
dev->busy = 0;
- break;
- }
- return 0;
-} /* teles_cs_event */
+
+ return 0;
+}
+
static struct pcmcia_device_id teles_ids[] = {
PCMCIA_DEVICE_PROD_ID12("TELES", "S0/PC", 0x67b50eae, 0xe9e70119),
.drv = {
.name = "teles_cs",
},
- .attach = teles_attach,
- .event = teles_cs_event,
- .detach = teles_detach,
+ .probe = teles_probe,
+ .remove = teles_detach,
.id_table = teles_ids,
+ .suspend = teles_suspend,
+ .resume = teles_resume,
};
static int __init init_teles_cs(void)
static void __exit exit_teles_cs(void)
{
pcmcia_unregister_driver(&teles_cs_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_teles_cs);
git.openpandora.org / pandora-kernel.git / blobdiff