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path: root/drivers/isdn/hisax/avma1_cs.c
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Diffstat (limited to 'drivers/isdn/hisax/avma1_cs.c')
-rw-r--r--drivers/isdn/hisax/avma1_cs.c150
1 files changed, 35 insertions, 115 deletions
diff --git a/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c
index 5f5a5ae740d..969da40c424 100644
--- a/drivers/isdn/hisax/avma1_cs.c
+++ b/drivers/isdn/hisax/avma1_cs.c
@@ -69,8 +69,6 @@ module_param(isdnprot, int, 0);
static void avma1cs_config(dev_link_t *link);
static void avma1cs_release(dev_link_t *link);
-static int avma1cs_event(event_t event, int priority,
- event_callback_args_t *args);
/*
The attach() and detach() entry points are used to create and destroy
@@ -78,16 +76,8 @@ static int avma1cs_event(event_t event, int priority,
needed to manage one actual PCMCIA card.
*/
-static dev_link_t *avma1cs_attach(void);
-static void avma1cs_detach(dev_link_t *);
+static void avma1cs_detach(struct pcmcia_device *p_dev);
-/*
- 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 = "avma1_cs";
/*
A linked list of "instances" of the skeleton device. Each actual
@@ -99,15 +89,7 @@ static dev_info_t dev_info = "avma1_cs";
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.
-
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
@@ -134,26 +116,24 @@ typedef struct local_info_t {
======================================================================*/
-static dev_link_t *avma1cs_attach(void)
+static int avma1cs_attach(struct pcmcia_device *p_dev)
{
- client_reg_t client_reg;
dev_link_t *link;
local_info_t *local;
- int ret;
-
+
DEBUG(0, "avma1cs_attach()\n");
/* Initialize the dev_link_t structure */
link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
if (!link)
- return NULL;
+ return -ENOMEM;
memset(link, 0, sizeof(struct dev_link_t));
/* Allocate space for private device-specific data */
local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
if (!local) {
kfree(link);
- return NULL;
+ return -ENOMEM;
}
memset(local, 0, sizeof(local_info_t));
link->priv = local;
@@ -178,20 +158,13 @@ static dev_link_t *avma1cs_attach(void)
link->conf.ConfigIndex = 1;
link->conf.Present = PRESENT_OPTION;
- /* 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 != 0) {
- cs_error(link->handle, RegisterClient, ret);
- avma1cs_detach(link);
- return NULL;
- }
+ link->handle = p_dev;
+ p_dev->instance = link;
- return link;
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ avma1cs_config(link);
+
+ return 0;
} /* avma1cs_attach */
/*======================================================================
@@ -203,42 +176,17 @@ static dev_link_t *avma1cs_attach(void)
======================================================================*/
-static void avma1cs_detach(dev_link_t *link)
+static void avma1cs_detach(struct pcmcia_device *p_dev)
{
- dev_link_t **linkp;
+ dev_link_t *link = dev_to_instance(p_dev);
DEBUG(0, "avma1cs_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 "avma1_cs: detach postponed, '%s' "
- "still locked\n", link->dev->dev_name);
-#endif
- link->state |= DEV_STALE_LINK;
- return;
- }
+ if (link->state & DEV_CONFIG)
+ avma1cs_release(link);
- /* Break the link with Card Services */
- if (link->handle)
- pcmcia_deregister_client(link->handle);
-
- /* Unlink device structure, free pieces */
- *linkp = link->next;
kfree(link->priv);
kfree(link);
-
} /* avma1cs_detach */
/*======================================================================
@@ -440,58 +388,30 @@ static void avma1cs_release(dev_link_t *link)
pcmcia_release_io(link->handle, &link->io);
pcmcia_release_irq(link->handle, &link->irq);
link->state &= ~DEV_CONFIG;
-
- if (link->state & DEV_STALE_LINK)
- avma1cs_detach(link);
} /* avma1cs_release */
-/*======================================================================
+static int avma1cs_suspend(struct pcmcia_device *dev)
+{
+ dev_link_t *link = dev_to_instance(dev);
- 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.
+ link->state |= DEV_SUSPEND;
+ if (link->state & DEV_CONFIG)
+ pcmcia_release_configuration(link->handle);
- 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.
-
-======================================================================*/
+ return 0;
+}
-static int avma1cs_event(event_t event, int priority,
- event_callback_args_t *args)
+static int avma1cs_resume(struct pcmcia_device *dev)
{
- dev_link_t *link = args->client_data;
+ dev_link_t *link = dev_to_instance(dev);
- DEBUG(1, "avma1cs_event(0x%06x)\n", event);
-
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- if (link->state & DEV_CONFIG)
- avma1cs_release(link);
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- avma1cs_config(link);
- break;
- case CS_EVENT_PM_SUSPEND:
- link->state |= DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_RESET_PHYSICAL:
- 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)
+ link->state &= ~DEV_SUSPEND;
+ if (link->state & DEV_CONFIG)
pcmcia_request_configuration(link->handle, &link->conf);
- break;
- }
- return 0;
-} /* avma1cs_event */
+
+ return 0;
+}
+
static struct pcmcia_device_id avma1cs_ids[] = {
PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN A", 0x95d42008, 0xadc9d4bb),
@@ -505,10 +425,11 @@ static struct pcmcia_driver avma1cs_driver = {
.drv = {
.name = "avma1_cs",
},
- .attach = avma1cs_attach,
- .event = avma1cs_event,
- .detach = avma1cs_detach,
+ .probe = avma1cs_attach,
+ .remove = avma1cs_detach,
.id_table = avma1cs_ids,
+ .suspend = avma1cs_suspend,
+ .resume = avma1cs_resume,
};
/*====================================================================*/
@@ -521,7 +442,6 @@ static int __init init_avma1_cs(void)
static void __exit exit_avma1_cs(void)
{
pcmcia_unregister_driver(&avma1cs_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_avma1_cs);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 23:39:55 +0000