static void sedlbauer_config(dev_link_t *link);
static void sedlbauer_release(dev_link_t *link);
-static int sedlbauer_event(event_t event, int priority,
- event_callback_args_t *args);
/*
The attach() and detach() entry points are used to create and destroy
needed to manage one actual PCMCIA card.
*/
-static dev_link_t *sedlbauer_attach(void);
-static void sedlbauer_detach(dev_link_t *);
+static void sedlbauer_detach(struct pcmcia_device *p_dev);
/*
You'll also need to prototype all the functions that will actually
*/
/*
- 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 = "sedlbauer_cs";
-
-/*
- A linked list of "instances" of the sedlbauer 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 *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
======================================================================*/
-static dev_link_t *sedlbauer_attach(void)
+static int sedlbauer_attach(struct pcmcia_device *p_dev)
{
local_info_t *local;
dev_link_t *link;
- client_reg_t client_reg;
- int ret;
DEBUG(0, "sedlbauer_attach()\n");
/* Allocate space for private device-specific data */
local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
- if (!local) return NULL;
+ if (!local) return -ENOMEM;
memset(local, 0, sizeof(local_info_t));
local->cardnr = -1;
link = &local->link; link->priv = local;
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);
- sedlbauer_detach(link);
- return NULL;
- }
+ link->handle = p_dev;
+ p_dev->instance = link;
+
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ sedlbauer_config(link);
- return link;
+ return 0;
} /* sedlbauer_attach */
/*======================================================================
======================================================================*/
-static void sedlbauer_detach(dev_link_t *link)
+static void sedlbauer_detach(struct pcmcia_device *p_dev)
{
- dev_link_t **linkp;
+ dev_link_t *link = dev_to_instance(p_dev);
DEBUG(0, "sedlbauer_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 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) {
-#ifdef PCMCIA_DEBUG
- printk(KERN_DEBUG "sedlbauer_cs: detach postponed, '%s' "
- "still locked\n", link->dev->dev_name);
-#endif
- link->state |= DEV_STALE_LINK;
- return;
+ ((local_info_t *)link->priv)->stop = 1;
+ sedlbauer_release(link);
}
- /* Break the link with Card Services */
- if (link->handle)
- pcmcia_deregister_client(link->handle);
-
- /* Unlink device structure, and free it */
- *linkp = link->next;
/* This points to the parent local_info_t struct */
kfree(link->priv);
} /* sedlbauer_detach */
if (link->irq.AssignedIRQ)
pcmcia_release_irq(link->handle, &link->irq);
link->state &= ~DEV_CONFIG;
-
- if (link->state & DEV_STALE_LINK)
- sedlbauer_detach(link);
-
} /* sedlbauer_release */
-/*======================================================================
-
- The card status event handler. Mostly, this schedules other
- stuff to run after an event is received.
-
- When a CARD_REMOVAL event is received, we immediately set a
- private 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 int sedlbauer_event(event_t event, int priority,
- event_callback_args_t *args)
+static int sedlbauer_suspend(struct pcmcia_device *p_dev)
{
- dev_link_t *link = args->client_data;
- local_info_t *dev = link->priv;
-
- DEBUG(1, "sedlbauer_event(0x%06x)\n", event);
-
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- ((local_info_t *)link->priv)->stop = 1;
- sedlbauer_release(link);
- }
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- sedlbauer_config(link);
- break;
- case CS_EVENT_PM_SUSPEND:
+ dev_link_t *link = dev_to_instance(p_dev);
+ local_info_t *dev = link->priv;
+
link->state |= DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_RESET_PHYSICAL:
- /* Mark the device as stopped, to block IO until later */
dev->stop = 1;
if (link->state & DEV_CONFIG)
- pcmcia_release_configuration(link->handle);
- break;
- case CS_EVENT_PM_RESUME:
+ pcmcia_release_configuration(link->handle);
+
+ return 0;
+}
+
+static int sedlbauer_resume(struct pcmcia_device *p_dev)
+{
+ dev_link_t *link = dev_to_instance(p_dev);
+ local_info_t *dev = link->priv;
+
link->state &= ~DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_CARD_RESET:
if (link->state & DEV_CONFIG)
- pcmcia_request_configuration(link->handle, &link->conf);
+ pcmcia_request_configuration(link->handle, &link->conf);
dev->stop = 0;
- /*
- In a normal driver, additional code may go here to restore
- the device state and restart IO.
- */
- break;
- }
- return 0;
-} /* sedlbauer_event */
+
+ return 0;
+}
+
static struct pcmcia_device_id sedlbauer_ids[] = {
PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a),
.drv = {
.name = "sedlbauer_cs",
},
- .attach = sedlbauer_attach,
- .event = sedlbauer_event,
- .detach = sedlbauer_detach,
+ .probe = sedlbauer_attach,
+ .remove = sedlbauer_detach,
.id_table = sedlbauer_ids,
+ .suspend = sedlbauer_suspend,
+ .resume = sedlbauer_resume,
};
static int __init init_sedlbauer_cs(void)
static void __exit exit_sedlbauer_cs(void)
{
pcmcia_unregister_driver(&sedlbauer_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_sedlbauer_cs);
projects / linux-2.6-omap-h63xx.git / blobdiff