* 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>
#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>
#include <pcmcia/ss.h>
static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
{
- struct pcmcia_device_id *did = p_drv->id_table;
+ const struct pcmcia_device_id *did = p_drv->id_table;
unsigned int i;
u32 hash;
if (!p_drv->probe || !p_drv->remove)
printk(KERN_DEBUG "pcmcia: %s lacks a requisite callback "
- "function\n", p_drv->drv.name);
+ "function\n", p_drv->name);
while (did && did->match_flags) {
for (i = 0; i < 4; i++) {
printk(KERN_DEBUG "pcmcia: %s: invalid hash for "
"product string \"%s\": is 0x%x, should "
- "be 0x%x\n", p_drv->drv.name, did->prod_id[i],
+ "be 0x%x\n", p_drv->name, did->prod_id[i],
did->prod_id_hash[i], hash);
printk(KERN_DEBUG "pcmcia: see "
"Documentation/pcmcia/devicetable.txt for "
/* initialize common fields */
driver->drv.bus = &pcmcia_bus_type;
driver->drv.owner = driver->owner;
+ driver->drv.name = driver->name;
mutex_init(&driver->dynids.lock);
INIT_LIST_HEAD(&driver->dynids.list);
- pr_debug("registering driver %s\n", driver->drv.name);
+ pr_debug("registering driver %s\n", driver->name);
error = driver_register(&driver->drv);
if (error < 0)
*/
void pcmcia_unregister_driver(struct pcmcia_driver *driver)
{
- pr_debug("unregistering driver %s\n", driver->drv.name);
+ pr_debug("unregistering driver %s\n", driver->name);
driver_unregister(&driver->drv);
pcmcia_free_dynids(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);
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);
p_drv = to_pcmcia_drv(dev->driver);
s = p_dev->socket;
- dev_dbg(dev, "trying to bind to %s\n", p_drv->drv.name);
+ dev_dbg(dev, "trying to bind to %s\n", p_drv->name);
if ((!p_drv->probe) || (!p_dev->function_config) ||
(!try_module_get(p_drv->owner))) {
ret = pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_CONFIG,
&cis_config);
if (!ret) {
- p_dev->conf.ConfigBase = cis_config.base;
- p_dev->conf.Present = cis_config.rmask[0];
+ p_dev->config_base = cis_config.base;
+ p_dev->config_regs = cis_config.rmask[0];
+ dev_dbg(dev, "base %x, regs %x", p_dev->config_base,
+ p_dev->config_regs);
} else {
dev_printk(KERN_INFO, dev,
"pcmcia: could not parse base and rmask0 of CIS\n");
- p_dev->conf.ConfigBase = 0;
- p_dev->conf.Present = 0;
+ p_dev->config_base = 0;
+ p_dev->config_regs = 0;
}
ret = p_drv->probe(p_dev);
if (ret) {
dev_dbg(dev, "binding to %s failed with %d\n",
- p_drv->drv.name, ret);
+ p_drv->name, ret);
goto put_module;
}
+ dev_dbg(dev, "%s bound: Vpp %d.%d, idx %x, IRQ %d", p_drv->name,
+ p_dev->vpp/10, p_dev->vpp%10, p_dev->config_index, p_dev->irq);
+ dev_dbg(dev, "resources: ioport %pR %pR iomem %pR %pR %pR",
+ p_dev->resource[0], p_dev->resource[1], p_dev->resource[2],
+ p_dev->resource[3], p_dev->resource[4]);
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);
* 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);
if (p_drv->remove)
p_drv->remove(p_dev);
- p_dev->dev_node = NULL;
-
/* check for proper unloading */
if (p_dev->_irq || p_dev->_io || p_dev->_locked)
dev_printk(KERN_INFO, dev,
"pcmcia: driver %s did not release config properly\n",
- p_drv->drv.name);
+ p_drv->name);
for (i = 0; i < MAX_WIN; i++)
if (p_dev->_win & CLIENT_WIN_REQ(i))
dev_printk(KERN_INFO, dev,
"pcmcia: driver %s did not release window properly\n",
- p_drv->drv.name);
+ p_drv->name);
/* references from pcmcia_probe_device */
pcmcia_put_dev(p_dev);
}
-/* device_add_lock is needed to avoid double registration by cardmgr and kernel.
- * Serializes pcmcia_device_add; will most likely be removed in future.
- *
- * While it has the caveat that adding new PCMCIA devices inside(!) device_register()
- * won't work, this doesn't matter much at the moment: the driver core doesn't
- * support it either.
- */
-static DEFINE_MUTEX(device_add_lock);
-
-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;
if (!s)
return NULL;
- mutex_lock(&device_add_lock);
-
pr_debug("adding device to %d, function %d\n", s->sock, function);
p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL);
/*
* p_dev->function_config must be the same for all card functions.
- * Note that this is serialized by the device_add_lock, so that
- * only one such struct will be created.
+ * Note that this is serialized by ops_mutex, so that only one
+ * such struct will be created.
*/
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;
- p_dev->irq_v = tmp_dev->irq_v;
kref_get(&p_dev->function_config->ref);
}
"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,
"pcmcia: registering new device %s (IRQ: %d)\n",
- p_dev->devname, p_dev->irq_v);
+ p_dev->devname, p_dev->irq);
pcmcia_device_query(p_dev);
if (device_register(&p_dev->dev))
goto err_unreg;
- mutex_unlock(&device_add_lock);
-
return p_dev;
err_unreg:
kfree(p_dev->devname);
kfree(p_dev);
err_put:
- mutex_unlock(&device_add_lock);
pcmcia_put_socket(s);
return NULL;
if (old_funcs != new_funcs) {
/* we need to re-start */
pcmcia_card_remove(s, NULL);
+ s->functions = 0;
pcmcia_card_add(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);
static inline int pcmcia_devmatch(struct pcmcia_device *dev,
- struct pcmcia_device_id *did)
+ const struct pcmcia_device_id *did)
{
if (did->match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID) {
if ((!dev->has_manf_id) || (dev->manf_id != did->manf_id))
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;
/* 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;
{
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
struct pcmcia_driver *p_drv = to_pcmcia_drv(drv);
- struct pcmcia_device_id *did = p_drv->id_table;
+ const struct pcmcia_device_id *did = p_drv->id_table;
struct pcmcia_dynid *dynid;
/* match dynamic devices first */
}
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)) {
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)
{
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),
dev_printk(KERN_ERR, dev,
"pcmcia: device %s (driver %s) did "
"not want to go to sleep (%d)\n",
- p_dev->devname, p_drv->drv.name, ret);
+ p_dev->devname, p_drv->name, ret);
mutex_lock(&p_dev->socket->ops_mutex);
p_dev->suspended = 0;
mutex_unlock(&p_dev->socket->ops_mutex);
if (p_dev->device_no == p_dev->func) {
dev_dbg(dev, "requesting configuration\n");
- ret = pcmcia_request_configuration(p_dev, &p_dev->conf);
+ ret = pcmcia_enable_device(p_dev);
if (ret)
goto out;
}
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;
+}
+
+static int pcmcia_bus_early_resume(struct pcmcia_socket *skt)
+{
+ if (!verify_cis_cache(skt)) {
+ pcmcia_put_socket(skt);
+ return 0;
}
- dev_dbg(&skt->dev, "ds_event(0x%06x, %d, 0x%p)\n",
- event, priority, skt);
+ dev_dbg(&skt->dev, "cis mismatch - different card\n");
- 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;
+ /* first, remove the card */
+ pcmcia_bus_remove(skt);
- 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;
-
- 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
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,
};
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);
ret = pccard_register_pcmcia(socket, &pcmcia_bus_callback);
if (ret) {
return ret;
}
- atomic_set(&socket->present, 0);
-
return 0;
}
return ret;
}
- pcmcia_setup_ioctl();
-
return 0;
}
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);
Code Review / linux-2.6.git / blobdiff