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Diffstat (limited to 'drivers/pcmcia/ds.c')
-rw-r--r--drivers/pcmcia/ds.c184
1 files changed, 84 insertions, 100 deletions
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index eac9614..55570d9 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -10,7 +10,7 @@
* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
*
* (C) 1999 David A. Hinds
- * (C) 2003 - 2006 Dominik Brodowski
+ * (C) 2003 - 2010 Dominik Brodowski
*/
#include <linux/kernel.h>
@@ -26,7 +26,6 @@
#include <linux/dma-mapping.h>
#include <linux/slab.h>
-#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
@@ -213,7 +212,7 @@ EXPORT_SYMBOL(pcmcia_unregister_driver);
/* pcmcia_device handling */
-struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev)
+static struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev)
{
struct device *tmp_dev;
tmp_dev = get_device(&p_dev->dev);
@@ -222,7 +221,7 @@ struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev)
return to_pcmcia_dev(tmp_dev);
}
-void pcmcia_put_dev(struct pcmcia_device *p_dev)
+static void pcmcia_put_dev(struct pcmcia_device *p_dev)
{
if (p_dev)
put_device(&p_dev->dev);
@@ -294,7 +293,7 @@ static int pcmcia_device_probe(struct device *dev)
}
mutex_lock(&s->ops_mutex);
- if ((s->pcmcia_state.has_pfc) &&
+ if ((s->pcmcia_pfc) &&
(p_dev->socket->device_count == 1) && (p_dev->device_no == 0))
pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
mutex_unlock(&s->ops_mutex);
@@ -359,7 +358,7 @@ static int pcmcia_device_remove(struct device *dev)
* pseudo multi-function card, we need to unbind
* all devices
*/
- if ((p_dev->socket->pcmcia_state.has_pfc) &&
+ if ((p_dev->socket->pcmcia_pfc) &&
(p_dev->socket->device_count > 0) &&
(p_dev->device_no == 0))
pcmcia_card_remove(p_dev->socket, p_dev);
@@ -477,7 +476,8 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev)
}
-struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int function)
+static struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s,
+ unsigned int function)
{
struct pcmcia_device *p_dev, *tmp_dev;
int i;
@@ -531,7 +531,6 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
list_for_each_entry(tmp_dev, &s->devices_list, socket_device_list)
if (p_dev->func == tmp_dev->func) {
p_dev->function_config = tmp_dev->function_config;
- p_dev->io = tmp_dev->io;
p_dev->irq = tmp_dev->irq;
kref_get(&p_dev->function_config->ref);
}
@@ -544,15 +543,29 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
"IRQ setup failed -- device might not work\n");
if (!p_dev->function_config) {
+ config_t *c;
dev_dbg(&p_dev->dev, "creating config_t\n");
- p_dev->function_config = kzalloc(sizeof(struct config_t),
- GFP_KERNEL);
- if (!p_dev->function_config) {
+ c = kzalloc(sizeof(struct config_t), GFP_KERNEL);
+ if (!c) {
mutex_unlock(&s->ops_mutex);
goto err_unreg;
}
- kref_init(&p_dev->function_config->ref);
+ p_dev->function_config = c;
+ kref_init(&c->ref);
+ for (i = 0; i < MAX_IO_WIN; i++) {
+ c->io[i].name = p_dev->devname;
+ c->io[i].flags = IORESOURCE_IO;
+ }
+ for (i = 0; i< MAX_WIN; i++) {
+ c->mem[i].name = p_dev->devname;
+ c->mem[i].flags = IORESOURCE_MEM;
+ }
}
+ for (i = 0; i < MAX_IO_WIN; i++)
+ p_dev->resource[i] = &p_dev->function_config->io[i];
+ for (; i < (MAX_IO_WIN + MAX_WIN); i++)
+ p_dev->resource[i] = &p_dev->function_config->mem[i-MAX_IO_WIN];
+
mutex_unlock(&s->ops_mutex);
dev_printk(KERN_NOTICE, &p_dev->dev,
@@ -680,7 +693,7 @@ static void pcmcia_requery(struct pcmcia_socket *s)
* call pcmcia_device_add() -- which will fail if both
* devices are already registered. */
mutex_lock(&s->ops_mutex);
- has_pfc = s->pcmcia_state.has_pfc;
+ has_pfc = s->pcmcia_pfc;
mutex_unlock(&s->ops_mutex);
if (has_pfc)
pcmcia_device_add(s, 0);
@@ -812,7 +825,7 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) {
dev_dbg(&dev->dev, "this is a pseudo-multi-function device\n");
mutex_lock(&dev->socket->ops_mutex);
- dev->socket->pcmcia_state.has_pfc = 1;
+ dev->socket->pcmcia_pfc = 1;
mutex_unlock(&dev->socket->ops_mutex);
if (dev->device_no != did->device_no)
return 0;
@@ -826,7 +839,7 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
/* if this is a pseudo-multi-function device,
* we need explicit matches */
- if (dev->socket->pcmcia_state.has_pfc)
+ if (dev->socket->pcmcia_pfc)
return 0;
if (dev->device_no)
return 0;
@@ -885,14 +898,6 @@ static int pcmcia_bus_match(struct device *dev, struct device_driver *drv)
}
mutex_unlock(&p_drv->dynids.lock);
-#ifdef CONFIG_PCMCIA_IOCTL
- /* matching by cardmgr */
- if (p_dev->cardmgr == p_drv) {
- dev_dbg(dev, "cardmgr matched to %s\n", drv->name);
- return 1;
- }
-#endif
-
while (did && did->match_flags) {
dev_dbg(dev, "trying to match to %s\n", drv->name);
if (pcmcia_devmatch(p_dev, did)) {
@@ -1006,6 +1011,18 @@ pcmcia_device_stringattr(prod_id2, prod_id[1]);
pcmcia_device_stringattr(prod_id3, prod_id[2]);
pcmcia_device_stringattr(prod_id4, prod_id[3]);
+static ssize_t pcmcia_show_resources(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
+ char *str = buf;
+ int i;
+
+ for (i = 0; i < PCMCIA_NUM_RESOURCES; i++)
+ str += sprintf(str, "%pr\n", p_dev->resource[i]);
+
+ return str - buf;
+}
static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute *attr, char *buf)
{
@@ -1076,6 +1093,7 @@ static ssize_t pcmcia_store_allow_func_id_match(struct device *dev,
static struct device_attribute pcmcia_dev_attrs[] = {
__ATTR(function, 0444, func_show, NULL),
__ATTR(pm_state, 0644, pcmcia_show_pm_state, pcmcia_store_pm_state),
+ __ATTR(resources, 0444, pcmcia_show_resources, NULL),
__ATTR_RO(func_id),
__ATTR_RO(manf_id),
__ATTR_RO(card_id),
@@ -1215,86 +1233,57 @@ static int pcmcia_bus_suspend(struct pcmcia_socket *skt)
return 0;
}
+static int pcmcia_bus_remove(struct pcmcia_socket *skt)
+{
+ atomic_set(&skt->present, 0);
+ pcmcia_card_remove(skt, NULL);
-/*======================================================================
+ mutex_lock(&skt->ops_mutex);
+ destroy_cis_cache(skt);
+ pcmcia_cleanup_irq(skt);
+ mutex_unlock(&skt->ops_mutex);
- The card status event handler.
+ return 0;
+}
-======================================================================*/
+static int pcmcia_bus_add(struct pcmcia_socket *skt)
+{
+ atomic_set(&skt->present, 1);
-/* Normally, the event is passed to individual drivers after
- * informing userspace. Only for CS_EVENT_CARD_REMOVAL this
- * is inversed to maintain historic compatibility.
- */
+ mutex_lock(&skt->ops_mutex);
+ skt->pcmcia_pfc = 0;
+ destroy_cis_cache(skt); /* to be on the safe side... */
+ mutex_unlock(&skt->ops_mutex);
-static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
-{
- struct pcmcia_socket *s = pcmcia_get_socket(skt);
+ pcmcia_card_add(skt);
- if (!s) {
- dev_printk(KERN_ERR, &skt->dev,
- "PCMCIA obtaining reference to socket " \
- "failed, event 0x%x lost!\n", event);
- return -ENODEV;
- }
+ return 0;
+}
- dev_dbg(&skt->dev, "ds_event(0x%06x, %d, 0x%p)\n",
- event, priority, skt);
+static int pcmcia_bus_early_resume(struct pcmcia_socket *skt)
+{
+ if (!verify_cis_cache(skt)) {
+ pcmcia_put_socket(skt);
+ return 0;
+ }
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- atomic_set(&skt->present, 0);
- pcmcia_card_remove(skt, NULL);
- handle_event(skt, event);
- mutex_lock(&s->ops_mutex);
- destroy_cis_cache(s);
- pcmcia_cleanup_irq(s);
- mutex_unlock(&s->ops_mutex);
- break;
+ dev_dbg(&skt->dev, "cis mismatch - different card\n");
- case CS_EVENT_CARD_INSERTION:
- atomic_set(&skt->present, 1);
- mutex_lock(&s->ops_mutex);
- s->pcmcia_state.has_pfc = 0;
- destroy_cis_cache(s); /* to be on the safe side... */
- mutex_unlock(&s->ops_mutex);
- pcmcia_card_add(skt);
- handle_event(skt, event);
- break;
-
- case CS_EVENT_EJECTION_REQUEST:
- break;
-
- case CS_EVENT_PM_RESUME:
- if (verify_cis_cache(skt) != 0) {
- dev_dbg(&skt->dev, "cis mismatch - different card\n");
- /* first, remove the card */
- ds_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
- mutex_lock(&s->ops_mutex);
- destroy_cis_cache(skt);
- kfree(skt->fake_cis);
- skt->fake_cis = NULL;
- s->functions = 0;
- mutex_unlock(&s->ops_mutex);
- /* now, add the new card */
- ds_event(skt, CS_EVENT_CARD_INSERTION,
- CS_EVENT_PRI_LOW);
- }
- handle_event(skt, event);
- break;
+ /* first, remove the card */
+ pcmcia_bus_remove(skt);
- case CS_EVENT_PM_SUSPEND:
- case CS_EVENT_RESET_PHYSICAL:
- case CS_EVENT_CARD_RESET:
- default:
- handle_event(skt, event);
- break;
- }
+ mutex_lock(&skt->ops_mutex);
+ destroy_cis_cache(skt);
+ kfree(skt->fake_cis);
+ skt->fake_cis = NULL;
+ skt->functions = 0;
+ mutex_unlock(&skt->ops_mutex);
- pcmcia_put_socket(s);
+ /* now, add the new card */
+ pcmcia_bus_add(skt);
+ return 0;
+}
- return 0;
-} /* ds_event */
/*
* NOTE: This is racy. There's no guarantee the card will still be
@@ -1323,10 +1312,12 @@ EXPORT_SYMBOL(pcmcia_dev_present);
static struct pcmcia_callback pcmcia_bus_callback = {
.owner = THIS_MODULE,
- .event = ds_event,
+ .add = pcmcia_bus_add,
+ .remove = pcmcia_bus_remove,
.requery = pcmcia_requery,
.validate = pccard_validate_cis,
.suspend = pcmcia_bus_suspend,
+ .early_resume = pcmcia_bus_early_resume,
.resume = pcmcia_bus_resume,
};
@@ -1350,11 +1341,8 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev,
return ret;
}
-#ifdef CONFIG_PCMCIA_IOCTL
- init_waitqueue_head(&socket->queue);
-#endif
INIT_LIST_HEAD(&socket->devices_list);
- memset(&socket->pcmcia_state, 0, sizeof(u8));
+ socket->pcmcia_pfc = 0;
socket->device_count = 0;
atomic_set(&socket->present, 0);
@@ -1429,8 +1417,6 @@ static int __init init_pcmcia_bus(void)
return ret;
}
- pcmcia_setup_ioctl();
-
return 0;
}
fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that
@@ -1439,8 +1425,6 @@ fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that
static void __exit exit_pcmcia_bus(void)
{
- pcmcia_cleanup_ioctl();
-
class_interface_unregister(&pcmcia_bus_interface);
bus_unregister(&pcmcia_bus_type);