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path: root/drivers/net/wireless/atmel_cs.c
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Diffstat (limited to 'drivers/net/wireless/atmel_cs.c')
-rw-r--r--drivers/net/wireless/atmel_cs.c156
1 files changed, 45 insertions, 111 deletions
diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c
index 17d1fd90f832..d6f4a5a3e55a 100644
--- a/drivers/net/wireless/atmel_cs.c
+++ b/drivers/net/wireless/atmel_cs.c
@@ -93,8 +93,6 @@ MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards");
static void atmel_config(dev_link_t *link);
static void atmel_release(dev_link_t *link);
-static int atmel_event(event_t event, int priority,
- event_callback_args_t *args);
/*
The attach() and detach() entry points are used to create and destroy
@@ -102,8 +100,7 @@ static int atmel_event(event_t event, int priority,
needed to manage one actual PCMCIA card.
*/
-static dev_link_t *atmel_attach(void);
-static void atmel_detach(dev_link_t *);
+static void atmel_detach(struct pcmcia_device *p_dev);
/*
You'll also need to prototype all the functions that will actually
@@ -113,14 +110,6 @@ static void atmel_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 = "atmel_cs";
-
-/*
A linked list of "instances" of the atmelnet device. Each actual
PCMCIA card corresponds to one device instance, and is described
by one dev_link_t structure (defined in ds.h).
@@ -130,15 +119,7 @@ static dev_info_t dev_info = "atmel_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
@@ -171,27 +152,25 @@ typedef struct local_info_t {
======================================================================*/
-static dev_link_t *atmel_attach(void)
+static int atmel_attach(struct pcmcia_device *p_dev)
{
- client_reg_t client_reg;
dev_link_t *link;
local_info_t *local;
- int ret;
-
+
DEBUG(0, "atmel_attach()\n");
/* Initialize the dev_link_t structure */
link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL);
if (!link) {
printk(KERN_ERR "atmel_cs: no memory for new device\n");
- return NULL;
+ return -ENOMEM;
}
-
+
/* Interrupt setup */
link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
link->irq.IRQInfo1 = IRQ_LEVEL_ID;
link->irq.Handler = NULL;
-
+
/*
General socket configuration defaults can go here. In this
client, we assume very little, and rely on the CIS for almost
@@ -202,30 +181,23 @@ static dev_link_t *atmel_attach(void)
link->conf.Attributes = 0;
link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
-
+
/* Allocate space for private device-specific data */
local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
if (!local) {
printk(KERN_ERR "atmel_cs: no memory for new device\n");
kfree (link);
- return NULL;
+ return -ENOMEM;
}
link->priv = local;
-
- /* 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);
- atmel_detach(link);
- return NULL;
- }
-
- return link;
+
+ link->handle = p_dev;
+ p_dev->instance = link;
+
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ atmel_config(link);
+
+ return 0;
} /* atmel_attach */
/*======================================================================
@@ -237,27 +209,15 @@ static dev_link_t *atmel_attach(void)
======================================================================*/
-static void atmel_detach(dev_link_t *link)
+static void atmel_detach(struct pcmcia_device *p_dev)
{
- dev_link_t **linkp;
-
+ dev_link_t *link = dev_to_instance(p_dev);
+
DEBUG(0, "atmel_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)
atmel_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);
}
@@ -477,60 +437,34 @@ static void atmel_release(dev_link_t *link)
link->state &= ~DEV_CONFIG;
}
-/*======================================================================
-
- The card status event handler. Mostly, this schedules other
- stuff to run after an event is received.
+static int atmel_suspend(struct pcmcia_device *dev)
+{
+ dev_link_t *link = dev_to_instance(dev);
+ local_info_t *local = link->priv;
- 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.
-
- ======================================================================*/
+ link->state |= DEV_SUSPEND;
+ if (link->state & DEV_CONFIG) {
+ netif_device_detach(local->eth_dev);
+ pcmcia_release_configuration(link->handle);
+ }
+
+ return 0;
+}
-static int atmel_event(event_t event, int priority,
- event_callback_args_t *args)
+static int atmel_resume(struct pcmcia_device *dev)
{
- dev_link_t *link = args->client_data;
+ dev_link_t *link = dev_to_instance(dev);
local_info_t *local = link->priv;
-
- DEBUG(1, "atmel_event(0x%06x)\n", event);
-
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- netif_device_detach(local->eth_dev);
- atmel_release(link);
- }
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- atmel_config(link);
- break;
- case CS_EVENT_PM_SUSPEND:
- link->state |= DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_RESET_PHYSICAL:
- if (link->state & DEV_CONFIG) {
- netif_device_detach(local->eth_dev);
- 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);
- atmel_open(local->eth_dev);
- netif_device_attach(local->eth_dev);
- }
- break;
+
+ link->state &= ~DEV_SUSPEND;
+ if (link->state & DEV_CONFIG) {
+ pcmcia_request_configuration(link->handle, &link->conf);
+ atmel_open(local->eth_dev);
+ netif_device_attach(local->eth_dev);
}
+
return 0;
-} /* atmel_event */
+}
/*====================================================================*/
/* We use the driver_info field to store the correct firmware type for a card. */
@@ -581,10 +515,11 @@ static struct pcmcia_driver atmel_driver = {
.drv = {
.name = "atmel_cs",
},
- .attach = atmel_attach,
- .event = atmel_event,
- .detach = atmel_detach,
+ .probe = atmel_attach,
+ .remove = atmel_detach,
.id_table = atmel_ids,
+ .suspend = atmel_suspend,
+ .resume = atmel_resume,
};
static int atmel_cs_init(void)
@@ -595,7 +530,6 @@ static int atmel_cs_init(void)
static void atmel_cs_cleanup(void)
{
pcmcia_unregister_driver(&atmel_driver);
- BUG_ON(dev_list != NULL);
}
/*
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-05 08:40:36 +0300