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path: root/drivers/net/wireless/orinoco_cs.c
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Diffstat (limited to 'drivers/net/wireless/orinoco_cs.c')
-rw-r--r--drivers/net/wireless/orinoco_cs.c208
1 files changed, 73 insertions, 135 deletions
diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c
index dc1128a0097..b664708481c 100644
--- a/drivers/net/wireless/orinoco_cs.c
+++ b/drivers/net/wireless/orinoco_cs.c
@@ -43,17 +43,6 @@ module_param(ignore_cis_vcc, int, 0);
MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket");
/********************************************************************/
-/* Magic constants */
-/********************************************************************/
-
-/*
- * 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 = DRIVER_NAME;
-
-/********************************************************************/
/* Data structures */
/********************************************************************/
@@ -69,19 +58,14 @@ struct orinoco_pccard {
unsigned long hard_reset_in_progress;
};
-/*
- * A linked list of "instances" of the device. Each actual PCMCIA
- * card corresponds to one device instance, and is described by one
- * dev_link_t structure (defined in ds.h).
- */
-static dev_link_t *dev_list; /* = NULL */
/********************************************************************/
/* Function prototypes */
/********************************************************************/
+static void orinoco_cs_config(dev_link_t *link);
static void orinoco_cs_release(dev_link_t *link);
-static void orinoco_cs_detach(dev_link_t *link);
+static void orinoco_cs_detach(struct pcmcia_device *p_dev);
/********************************************************************/
/* Device methods */
@@ -119,19 +103,17 @@ orinoco_cs_hard_reset(struct orinoco_private *priv)
* The dev_link structure is initialized, but we don't actually
* configure the card at this point -- we wait until we receive a card
* insertion event. */
-static dev_link_t *
-orinoco_cs_attach(void)
+static int
+orinoco_cs_attach(struct pcmcia_device *p_dev)
{
struct net_device *dev;
struct orinoco_private *priv;
struct orinoco_pccard *card;
dev_link_t *link;
- client_reg_t client_reg;
- int ret;
dev = alloc_orinocodev(sizeof(*card), orinoco_cs_hard_reset);
if (! dev)
- return NULL;
+ return -ENOMEM;
priv = netdev_priv(dev);
card = priv->card;
@@ -154,22 +136,15 @@ orinoco_cs_attach(void)
link->conf.IntType = INT_MEMORY_AND_IO;
/* Register with Card Services */
- /* FIXME: need a lock? */
- link->next = dev_list;
- dev_list = link;
-
- client_reg.dev_info = &dev_info;
- client_reg.Version = 0x0210; /* FIXME: what does this mean? */
- 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);
- orinoco_cs_detach(link);
- return NULL;
- }
+ link->next = NULL;
+
+ link->handle = p_dev;
+ p_dev->instance = link;
+
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ orinoco_cs_config(link);
- return link;
+ return 0;
} /* orinoco_cs_attach */
/*
@@ -178,27 +153,14 @@ orinoco_cs_attach(void)
* are freed. Otherwise, the structures will be freed when the device
* is released.
*/
-static void orinoco_cs_detach(dev_link_t *link)
+static void orinoco_cs_detach(struct pcmcia_device *p_dev)
{
- dev_link_t **linkp;
+ dev_link_t *link = dev_to_instance(p_dev);
struct net_device *dev = link->priv;
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link)
- break;
-
- BUG_ON(*linkp == NULL);
-
if (link->state & DEV_CONFIG)
orinoco_cs_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;
DEBUG(0, PFX "detach: link=%p link->dev=%p\n", link, link->dev);
if (link->dev) {
DEBUG(0, PFX "About to unregister net device %p\n",
@@ -465,106 +427,82 @@ orinoco_cs_release(dev_link_t *link)
ioport_unmap(priv->hw.iobase);
} /* orinoco_cs_release */
-/*
- * The card status event handler. Mostly, this schedules other stuff
- * to run after an event is received.
- */
-static int
-orinoco_cs_event(event_t event, int priority,
- event_callback_args_t * args)
+static int orinoco_cs_suspend(struct pcmcia_device *p_dev)
{
- dev_link_t *link = args->client_data;
+ dev_link_t *link = dev_to_instance(p_dev);
struct net_device *dev = link->priv;
struct orinoco_private *priv = netdev_priv(dev);
struct orinoco_pccard *card = priv->card;
int err = 0;
unsigned long flags;
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- unsigned long flags;
-
+ link->state |= DEV_SUSPEND;
+ if (link->state & DEV_CONFIG) {
+ /* This is probably racy, but I can't think of
+ a better way, short of rewriting the PCMCIA
+ layer to not suck :-( */
+ if (! test_bit(0, &card->hard_reset_in_progress)) {
spin_lock_irqsave(&priv->lock, flags);
+
+ err = __orinoco_down(dev);
+ if (err)
+ printk(KERN_WARNING "%s: Error %d downing interface\n",
+ dev->name, err);
+
netif_device_detach(dev);
priv->hw_unavailable++;
+
spin_unlock_irqrestore(&priv->lock, flags);
}
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- orinoco_cs_config(link);
- break;
+ pcmcia_release_configuration(link->handle);
+ }
- 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 */
- if (link->state & DEV_CONFIG) {
- /* This is probably racy, but I can't think of
- a better way, short of rewriting the PCMCIA
- layer to not suck :-( */
- if (! test_bit(0, &card->hard_reset_in_progress)) {
- spin_lock_irqsave(&priv->lock, flags);
-
- err = __orinoco_down(dev);
- if (err)
- printk(KERN_WARNING "%s: %s: Error %d downing interface\n",
- dev->name,
- event == CS_EVENT_PM_SUSPEND ? "SUSPEND" : "RESET_PHYSICAL",
- err);
-
- netif_device_detach(dev);
- priv->hw_unavailable++;
-
- spin_unlock_irqrestore(&priv->lock, flags);
+ return 0;
+}
+
+static int orinoco_cs_resume(struct pcmcia_device *p_dev)
+{
+ dev_link_t *link = dev_to_instance(p_dev);
+ struct net_device *dev = link->priv;
+ struct orinoco_private *priv = netdev_priv(dev);
+ struct orinoco_pccard *card = priv->card;
+ int err = 0;
+ unsigned long flags;
+
+ link->state &= ~DEV_SUSPEND;
+ if (link->state & DEV_CONFIG) {
+ /* FIXME: should we double check that this is
+ * the same card as we had before */
+ pcmcia_request_configuration(link->handle, &link->conf);
+
+ if (! test_bit(0, &card->hard_reset_in_progress)) {
+ err = orinoco_reinit_firmware(dev);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d re-initializing firmware\n",
+ dev->name, err);
+ return -EIO;
}
- pcmcia_release_configuration(link->handle);
- }
- break;
+ spin_lock_irqsave(&priv->lock, flags);
+
+ netif_device_attach(dev);
+ priv->hw_unavailable--;
- case CS_EVENT_PM_RESUME:
- link->state &= ~DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_CARD_RESET:
- if (link->state & DEV_CONFIG) {
- /* FIXME: should we double check that this is
- * the same card as we had before */
- pcmcia_request_configuration(link->handle, &link->conf);
-
- if (! test_bit(0, &card->hard_reset_in_progress)) {
- err = orinoco_reinit_firmware(dev);
- if (err) {
- printk(KERN_ERR "%s: Error %d re-initializing firmware\n",
+ if (priv->open && ! priv->hw_unavailable) {
+ err = __orinoco_up(dev);
+ if (err)
+ printk(KERN_ERR "%s: Error %d restarting card\n",
dev->name, err);
- break;
- }
-
- spin_lock_irqsave(&priv->lock, flags);
-
- netif_device_attach(dev);
- priv->hw_unavailable--;
-
- if (priv->open && ! priv->hw_unavailable) {
- err = __orinoco_up(dev);
- if (err)
- printk(KERN_ERR "%s: Error %d restarting card\n",
- dev->name, err);
-
- }
-
- spin_unlock_irqrestore(&priv->lock, flags);
}
+
+ spin_unlock_irqrestore(&priv->lock, flags);
}
- break;
}
- return err;
-} /* orinoco_cs_event */
+ return 0;
+}
+
/********************************************************************/
/* Module initialization */
@@ -665,10 +603,11 @@ static struct pcmcia_driver orinoco_driver = {
.drv = {
.name = DRIVER_NAME,
},
- .attach = orinoco_cs_attach,
- .detach = orinoco_cs_detach,
- .event = orinoco_cs_event,
+ .probe = orinoco_cs_attach,
+ .remove = orinoco_cs_detach,
.id_table = orinoco_cs_ids,
+ .suspend = orinoco_cs_suspend,
+ .resume = orinoco_cs_resume,
};
static int __init
@@ -683,7 +622,6 @@ static void __exit
exit_orinoco_cs(void)
{
pcmcia_unregister_driver(&orinoco_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_orinoco_cs);
generated by cgit (git 2.34.1) at 2024-11-10 13:49:11 +0000