-/*======================================================================
-
- Kernel Card Services -- core services
-
- cs.c 1.271 2000/10/02 20:27:49
-
- The contents of this file are subject to the Mozilla Public
- License Version 1.1 (the "License"); you may not use this file
- except in compliance with the License. You may obtain a copy of
- the License at http://www.mozilla.org/MPL/
-
- Software distributed under the License is distributed on an "AS
- IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- implied. See the License for the specific language governing
- rights and limitations under the License.
-
- The initial developer of the original code is David A. Hinds
- <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
- are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
-
- Alternatively, the contents of this file may be used under the
- terms of the GNU General Public License version 2 (the "GPL"), in which
- case the provisions of the GPL are applicable instead of the
- above. If you wish to allow the use of your version of this file
- only under the terms of the GPL and not to allow others to use
- your version of this file under the MPL, indicate your decision
- by deleting the provisions above and replace them with the notice
- and other provisions required by the GPL. If you do not delete
- the provisions above, a recipient may use your version of this
- file under either the MPL or the GPL.
-
-======================================================================*/
+/*
+ * cs.c -- Kernel Card Services - core services
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+ *
+ * (C) 1999 David A. Hinds
+ */
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/config.h>
#include <linux/string.h>
#include <linux/major.h>
#include <linux/errno.h>
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/device.h>
-#include <linux/suspend.h>
+#include <linux/kthread.h>
#include <asm/system.h>
#include <asm/irq.h>
#define IN_CARD_SERVICES
-#include <pcmcia/version.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>
#include <pcmcia/bulkmem.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
+#include <pcmcia/ds.h>
#include "cs_internal.h"
-#ifdef CONFIG_PCI
-#define PCI_OPT " [pci]"
-#else
-#define PCI_OPT ""
-#endif
-#ifdef CONFIG_CARDBUS
-#define CB_OPT " [cardbus]"
-#else
-#define CB_OPT ""
-#endif
-#ifdef CONFIG_PM
-#define PM_OPT " [pm]"
-#else
-#define PM_OPT ""
-#endif
-#if !defined(CONFIG_CARDBUS) && !defined(CONFIG_PCI) && !defined(CONFIG_PM)
-#define OPTIONS " none"
-#else
-#define OPTIONS PCI_OPT CB_OPT PM_OPT
-#endif
-
-static const char *release = "Linux Kernel Card Services";
-static const char *options = "options: " OPTIONS;
-
-/*====================================================================*/
/* Module parameters */
MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
-MODULE_DESCRIPTION("Linux Kernel Card Services\noptions:" OPTIONS);
-MODULE_LICENSE("Dual MPL/GPL");
+MODULE_DESCRIPTION("Linux Kernel Card Services");
+MODULE_LICENSE("GPL");
#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0444)
/* Access speed for attribute memory windows */
INT_MODULE_PARM(cis_speed, 300); /* ns */
-/* Access speed for IO windows */
-INT_MODULE_PARM(io_speed, 0); /* ns */
-
#ifdef DEBUG
static int pc_debug;
}
#endif
-/*====================================================================*/
socket_state_t dead_socket = {
.csc_mask = SS_DETECT,
};
+EXPORT_SYMBOL(dead_socket);
/* List of all sockets, protected by a rwsem */
LIST_HEAD(pcmcia_socket_list);
-DECLARE_RWSEM(pcmcia_socket_list_rwsem);
-
+EXPORT_SYMBOL(pcmcia_socket_list);
-/*====================================================================
+DECLARE_RWSEM(pcmcia_socket_list_rwsem);
+EXPORT_SYMBOL(pcmcia_socket_list_rwsem);
- Low-level PC Card interface drivers need to register with Card
- Services using these calls.
-
-======================================================================*/
/**
- * socket drivers are expected to use the following callbacks in their
+ * Low-level PCMCIA socket drivers need to register with the PCCard
+ * core using pcmcia_register_socket.
+ *
+ * socket drivers are expected to use the following callbacks in their
* .drv struct:
* - pcmcia_socket_dev_suspend
* - pcmcia_socket_dev_resume
static int socket_resume(struct pcmcia_socket *skt);
static int socket_suspend(struct pcmcia_socket *skt);
-int pcmcia_socket_dev_suspend(struct device *dev, u32 state)
+int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state)
{
struct pcmcia_socket *socket;
list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
if (socket->dev.dev != dev)
continue;
- down(&socket->skt_sem);
+ mutex_lock(&socket->skt_mutex);
socket_suspend(socket);
- up(&socket->skt_sem);
+ mutex_unlock(&socket->skt_mutex);
}
up_read(&pcmcia_socket_list_rwsem);
list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
if (socket->dev.dev != dev)
continue;
- down(&socket->skt_sem);
+ mutex_lock(&socket->skt_mutex);
socket_resume(socket);
- up(&socket->skt_sem);
+ mutex_unlock(&socket->skt_mutex);
}
up_read(&pcmcia_socket_list_rwsem);
EXPORT_SYMBOL(pcmcia_socket_dev_resume);
+struct pcmcia_socket * pcmcia_get_socket(struct pcmcia_socket *skt)
+{
+ struct class_device *cl_dev = class_device_get(&skt->dev);
+ if (!cl_dev)
+ return NULL;
+ skt = class_get_devdata(cl_dev);
+ if (!try_module_get(skt->owner)) {
+ class_device_put(&skt->dev);
+ return NULL;
+ }
+ return (skt);
+}
+EXPORT_SYMBOL(pcmcia_get_socket);
+
+
+void pcmcia_put_socket(struct pcmcia_socket *skt)
+{
+ module_put(skt->owner);
+ class_device_put(&skt->dev);
+}
+EXPORT_SYMBOL(pcmcia_put_socket);
+
+
static void pcmcia_release_socket(struct class_device *class_dev)
{
struct pcmcia_socket *socket = class_get_devdata(class_dev);
- client_t *client;
-
- while (socket->clients) {
- client = socket->clients;
- socket->clients = socket->clients->next;
- kfree(client);
- }
complete(&socket->socket_released);
}
*/
int pcmcia_register_socket(struct pcmcia_socket *socket)
{
+ struct task_struct *tsk;
int ret;
- if (!socket || !socket->ops || !socket->dev.dev)
+ if (!socket || !socket->ops || !socket->dev.dev || !socket->resource_ops)
return -EINVAL;
cs_dbg(socket, 0, "pcmcia_register_socket(0x%p)\n", socket->ops);
+ spin_lock_init(&socket->lock);
+
+ if (socket->resource_ops->init) {
+ ret = socket->resource_ops->init(socket);
+ if (ret)
+ return (ret);
+ }
+
/* try to obtain a socket number [yes, it gets ugly if we
- * register more than 2^sizeof(unsigned int) pcmcia
- * sockets... but the socket number is deprecated
+ * register more than 2^sizeof(unsigned int) pcmcia
+ * sockets... but the socket number is deprecated
* anyways, so I don't care] */
down_write(&pcmcia_socket_list_rwsem);
if (list_empty(&pcmcia_socket_list))
list_add_tail(&socket->socket_list, &pcmcia_socket_list);
up_write(&pcmcia_socket_list_rwsem);
+#ifndef CONFIG_CARDBUS
+ /*
+ * If we do not support Cardbus, ensure that
+ * the Cardbus socket capability is disabled.
+ */
+ socket->features &= ~SS_CAP_CARDBUS;
+#endif
/* set proper values in socket->dev */
socket->dev.class_data = socket;
/* base address = 0, map = 0 */
socket->cis_mem.flags = 0;
socket->cis_mem.speed = cis_speed;
- socket->erase_busy.next = socket->erase_busy.prev = &socket->erase_busy;
+
INIT_LIST_HEAD(&socket->cis_cache);
- spin_lock_init(&socket->lock);
init_completion(&socket->socket_released);
init_completion(&socket->thread_done);
init_waitqueue_head(&socket->thread_wait);
- init_MUTEX(&socket->skt_sem);
+ mutex_init(&socket->skt_mutex);
spin_lock_init(&socket->thread_lock);
- ret = kernel_thread(pccardd, socket, CLONE_KERNEL);
- if (ret < 0)
+ tsk = kthread_run(pccardd, socket, "pccardd");
+ if (IS_ERR(tsk)) {
+ ret = PTR_ERR(tsk);
goto err;
+ }
wait_for_completion(&socket->thread_done);
- if(!socket->thread) {
+ if (!socket->thread) {
printk(KERN_WARNING "PCMCIA: warning: socket thread for socket %p did not start\n", socket);
return -EIO;
}
+
pcmcia_parse_events(socket, SS_DETECT);
return 0;
cs_dbg(socket, 0, "pcmcia_unregister_socket(0x%p)\n", socket->ops);
if (socket->thread) {
- init_completion(&socket->thread_done);
- socket->thread = NULL;
wake_up(&socket->thread_wait);
- wait_for_completion(&socket->thread_done);
+ kthread_stop(socket->thread);
}
release_cis_mem(socket);
up_write(&pcmcia_socket_list_rwsem);
/* wait for sysfs to drop all references */
+ release_resource_db(socket);
wait_for_completion(&socket->socket_released);
} /* pcmcia_unregister_socket */
EXPORT_SYMBOL(pcmcia_unregister_socket);
}
EXPORT_SYMBOL(pcmcia_get_socket_by_nr);
+/**
+ * The central event handler. Send_event() sends an event to the
+ * 16-bit subsystem, which then calls the relevant device drivers.
+ * Parse_events() interprets the event bits from
+ * a card status change report. Do_shutdown() handles the high
+ * priority stuff associated with a card removal.
+ */
-/*======================================================================
-
- Shutdown_Socket() and setup_socket() are scheduled using add_timer
- calls by the main event handler when card insertion and removal
- events are received. Shutdown_Socket() unconfigures a socket and
- turns off socket power. Setup_socket() turns on socket power
- and resets the socket, in two stages.
-
-======================================================================*/
+/* NOTE: send_event needs to be called with skt->sem held. */
-static void free_regions(memory_handle_t *list)
+static int send_event(struct pcmcia_socket *s, event_t event, int priority)
{
- memory_handle_t tmp;
- while (*list != NULL) {
- tmp = *list;
- *list = tmp->info.next;
- tmp->region_magic = 0;
- kfree(tmp);
- }
-}
+ int ret;
-static int send_event(struct pcmcia_socket *s, event_t event, int priority);
+ if (s->state & SOCKET_CARDBUS)
+ return 0;
-static void shutdown_socket(struct pcmcia_socket *s)
-{
- client_t **c;
-
- cs_dbg(s, 1, "shutdown_socket\n");
-
- /* Blank out the socket state */
- s->socket = dead_socket;
- s->ops->init(s);
- s->ops->set_socket(s, &s->socket);
- s->irq.AssignedIRQ = s->irq.Config = 0;
- s->lock_count = 0;
- destroy_cis_cache(s);
- if (s->fake_cis) {
- kfree(s->fake_cis);
- s->fake_cis = NULL;
- }
-#ifdef CONFIG_CARDBUS
- cb_free(s);
-#endif
- s->functions = 0;
- if (s->config) {
- kfree(s->config);
- s->config = NULL;
- }
- for (c = &s->clients; *c; ) {
- if ((*c)->state & CLIENT_UNBOUND) {
- client_t *d = *c;
- *c = (*c)->next;
- kfree(d);
- } else {
- c = &((*c)->next);
- }
- }
- free_regions(&s->a_region);
- free_regions(&s->c_region);
+ cs_dbg(s, 1, "send_event(event %d, pri %d, callback 0x%p)\n",
+ event, priority, s->callback);
- {
- int status;
- s->ops->get_status(s, &status);
- if (status & SS_POWERON) {
- printk(KERN_ERR "PCMCIA: socket %p: *** DANGER *** unable to remove socket power\n", s);
- }
- }
-} /* shutdown_socket */
+ if (!s->callback)
+ return 0;
+ if (!try_module_get(s->callback->owner))
+ return 0;
-/*======================================================================
+ ret = s->callback->event(s, event, priority);
- The central event handler. Send_event() sends an event to all
- valid clients. Parse_events() interprets the event bits from
- a card status change report. Do_shutdown() handles the high
- priority stuff associated with a card removal.
-
-======================================================================*/
-
-static int send_event(struct pcmcia_socket *s, event_t event, int priority)
-{
- client_t *client = s->clients;
- int ret;
- cs_dbg(s, 1, "send_event(event %d, pri %d)\n",
- event, priority);
- ret = 0;
- if (s->state & SOCKET_CARDBUS)
- return 0;
- for (; client; client = client->next) {
- if (client->state & (CLIENT_UNBOUND|CLIENT_STALE))
- continue;
- if (client->EventMask & event) {
- ret = EVENT(client, event, priority);
- if (ret != 0)
- return ret;
- }
- }
- return ret;
-} /* send_event */
+ module_put(s->callback->owner);
-#define cs_to_timeout(cs) (((cs) * HZ + 99) / 100)
+ return ret;
+}
static void socket_remove_drivers(struct pcmcia_socket *skt)
{
- client_t *client;
-
cs_dbg(skt, 4, "remove_drivers\n");
send_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
-
- for (client = skt->clients; client; client = client->next)
- if (!(client->Attributes & INFO_MASTER_CLIENT))
- client->state |= CLIENT_STALE;
-}
-
-static void socket_shutdown(struct pcmcia_socket *skt)
-{
- cs_dbg(skt, 4, "shutdown\n");
-
- socket_remove_drivers(skt);
- skt->state &= SOCKET_INUSE|SOCKET_PRESENT;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cs_to_timeout(shutdown_delay));
- skt->state &= SOCKET_INUSE;
- shutdown_socket(skt);
}
static int socket_reset(struct pcmcia_socket *skt)
skt->socket.flags &= ~SS_RESET;
skt->ops->set_socket(skt, &skt->socket);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cs_to_timeout(unreset_delay));
+ msleep(unreset_delay * 10);
for (i = 0; i < unreset_limit; i++) {
skt->ops->get_status(skt, &status);
if (status & SS_READY)
return CS_SUCCESS;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cs_to_timeout(unreset_check));
+ msleep(unreset_check * 10);
}
cs_err(skt, "time out after reset.\n");
return CS_GENERAL_FAILURE;
}
+/**
+ * socket_setup() and socket_shutdown() are called by the main event handler
+ * when card insertion and removal events are received.
+ * socket_setup() turns on socket power and resets the socket, in two stages.
+ * socket_shutdown() unconfigures a socket and turns off socket power.
+ */
+static void socket_shutdown(struct pcmcia_socket *s)
+{
+ int status;
+
+ cs_dbg(s, 4, "shutdown\n");
+
+ socket_remove_drivers(s);
+ s->state &= SOCKET_INUSE | SOCKET_PRESENT;
+ msleep(shutdown_delay * 10);
+ s->state &= SOCKET_INUSE;
+
+ /* Blank out the socket state */
+ s->socket = dead_socket;
+ s->ops->init(s);
+ s->ops->set_socket(s, &s->socket);
+ s->irq.AssignedIRQ = s->irq.Config = 0;
+ s->lock_count = 0;
+ destroy_cis_cache(s);
+#ifdef CONFIG_CARDBUS
+ cb_free(s);
+#endif
+ s->functions = 0;
+
+ s->ops->get_status(s, &status);
+ if (status & SS_POWERON) {
+ printk(KERN_ERR "PCMCIA: socket %p: *** DANGER *** unable to remove socket power\n", s);
+ }
+
+ cs_socket_put(s);
+}
+
static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
{
int status, i;
if (!(status & SS_DETECT))
return CS_NO_CARD;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cs_to_timeout(initial_delay));
+ msleep(initial_delay * 10);
for (i = 0; i < 100; i++) {
skt->ops->get_status(skt, &status);
if (!(status & SS_PENDING))
break;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cs_to_timeout(10));
+ msleep(100);
}
if (status & SS_PENDING) {
}
if (status & SS_CARDBUS) {
+ if (!(skt->features & SS_CAP_CARDBUS)) {
+ cs_err(skt, "cardbus cards are not supported.\n");
+ return CS_BAD_TYPE;
+ }
skt->state |= SOCKET_CARDBUS;
-#ifndef CONFIG_CARDBUS
- cs_err(skt, "cardbus cards are not supported.\n");
- return CS_BAD_TYPE;
-#endif
}
/*
cs_err(skt, "unsupported voltage key.\n");
return CS_BAD_TYPE;
}
+
+ if (skt->power_hook)
+ skt->power_hook(skt, HOOK_POWER_PRE);
+
skt->socket.flags = 0;
skt->ops->set_socket(skt, &skt->socket);
/*
* Wait "vcc_settle" for the supply to stabilise.
*/
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cs_to_timeout(vcc_settle));
+ msleep(vcc_settle * 10);
skt->ops->get_status(skt, &status);
if (!(status & SS_POWERON)) {
return CS_BAD_TYPE;
}
- return socket_reset(skt);
+ status = socket_reset(skt);
+
+ if (skt->power_hook)
+ skt->power_hook(skt, HOOK_POWER_POST);
+
+ return status;
}
/*
ret = socket_setup(skt, setup_delay);
if (ret == CS_SUCCESS) {
skt->state |= SOCKET_PRESENT;
+
+ printk(KERN_NOTICE "pccard: %s card inserted into slot %d\n",
+ (skt->state & SOCKET_CARDBUS) ? "CardBus" : "PCMCIA",
+ skt->sock);
+
#ifdef CONFIG_CARDBUS
if (skt->state & SOCKET_CARDBUS) {
cb_alloc(skt);
send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
} else {
socket_shutdown(skt);
- cs_socket_put(skt);
}
return ret;
send_event(skt, CS_EVENT_PM_SUSPEND, CS_EVENT_PRI_LOW);
skt->socket = dead_socket;
- skt->ops->suspend(skt);
+ skt->ops->set_socket(skt, &skt->socket);
+ if (skt->ops->suspend)
+ skt->ops->suspend(skt);
skt->state |= SOCKET_SUSPEND;
return CS_SUCCESS;
skt->ops->init(skt);
skt->ops->set_socket(skt, &skt->socket);
+ if (!(skt->state & SOCKET_PRESENT)) {
+ skt->state &= ~SOCKET_SUSPEND;
+ return socket_insert(skt);
+ }
+
ret = socket_setup(skt, resume_delay);
if (ret == CS_SUCCESS) {
/*
* FIXME: need a better check here for cardbus cards.
*/
if (verify_cis_cache(skt) != 0) {
+ cs_dbg(skt, 4, "cis mismatch - different card\n");
socket_remove_drivers(skt);
destroy_cis_cache(skt);
+ /*
+ * Workaround: give DS time to schedule removal.
+ * Remove me once the 100ms delay is eliminated
+ * in ds.c
+ */
+ msleep(200);
send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
} else {
+ cs_dbg(skt, 4, "cis matches cache\n");
send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW);
}
} else {
socket_shutdown(skt);
- cs_socket_put(skt);
}
skt->state &= ~SOCKET_SUSPEND;
static void socket_remove(struct pcmcia_socket *skt)
{
+ printk(KERN_NOTICE "pccard: card ejected from slot %d\n", skt->sock);
socket_shutdown(skt);
- cs_socket_put(skt);
}
/*
if (!(skt->state & SOCKET_SUSPEND)) {
int status;
- if (!(skt->state & SOCKET_PRESENT)) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cs_to_timeout(2));
- }
+ if (!(skt->state & SOCKET_PRESENT))
+ msleep(20);
skt->ops->get_status(skt, &status);
if ((skt->state & SOCKET_PRESENT) &&
DECLARE_WAITQUEUE(wait, current);
int ret;
- daemonize("pccardd");
-
skt->thread = current;
skt->socket = dead_socket;
skt->ops->init(skt);
printk(KERN_WARNING "PCMCIA: unable to register socket 0x%p\n",
skt);
skt->thread = NULL;
- complete_and_exit(&skt->thread_done, 0);
+ complete(&skt->thread_done);
+ return 0;
}
- complete(&skt->thread_done);
add_wait_queue(&skt->thread_wait, &wait);
+ complete(&skt->thread_done);
+
for (;;) {
unsigned long flags;
unsigned int events;
spin_unlock_irqrestore(&skt->thread_lock, flags);
if (events) {
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
if (events & SS_DETECT)
socket_detect_change(skt);
if (events & SS_BATDEAD)
send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW);
if (events & SS_READY)
send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
continue;
}
- schedule();
- if (current->flags & PF_FREEZE)
- refrigerator(PF_FREEZE);
-
- if (!skt->thread)
+ if (kthread_should_stop())
break;
+
+ schedule();
+ try_to_freeze();
}
+ /* make sure we are running before we exit */
+ set_current_state(TASK_RUNNING);
+
remove_wait_queue(&skt->thread_wait, &wait);
/* remove from the device core */
class_device_unregister(&skt->dev);
- complete_and_exit(&skt->thread_done, 0);
+ return 0;
}
/*
*/
void pcmcia_parse_events(struct pcmcia_socket *s, u_int events)
{
+ unsigned long flags;
cs_dbg(s, 4, "parse_events: events %08x\n", events);
if (s->thread) {
- spin_lock(&s->thread_lock);
+ spin_lock_irqsave(&s->thread_lock, flags);
s->thread_events |= events;
- spin_unlock(&s->thread_lock);
+ spin_unlock_irqrestore(&s->thread_lock, flags);
wake_up(&s->thread_wait);
}
} /* pcmcia_parse_events */
+EXPORT_SYMBOL(pcmcia_parse_events);
-/*======================================================================
-
- Special stuff for managing IO windows, because they are scarce.
-
-======================================================================*/
-
-static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base,
- ioaddr_t num, u_int lines, char *name)
-{
- int i;
- ioaddr_t try, align;
-
- align = (*base) ? (lines ? 1<<lines : 0) : 1;
- if (align && (align < num)) {
- if (*base) {
- cs_dbg(s, 0, "odd IO request: num %04x align %04x\n",
- num, align);
- align = 0;
- } else
- while (align && (align < num)) align <<= 1;
- }
- if (*base & ~(align-1)) {
- cs_dbg(s, 0, "odd IO request: base %04x align %04x\n",
- *base, align);
- align = 0;
- }
- if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) {
- *base = s->io_offset | (*base & 0x0fff);
- return 0;
- }
- /* Check for an already-allocated window that must conflict with
- what was asked for. It is a hack because it does not catch all
- potential conflicts, just the most obvious ones. */
- for (i = 0; i < MAX_IO_WIN; i++)
- if ((s->io[i].NumPorts != 0) &&
- ((s->io[i].BasePort & (align-1)) == *base))
- return 1;
- for (i = 0; i < MAX_IO_WIN; i++) {
- if (s->io[i].NumPorts == 0) {
- s->io[i].res = find_io_region(*base, num, align, name, s);
- if (s->io[i].res) {
- s->io[i].Attributes = attr;
- s->io[i].BasePort = *base = s->io[i].res->start;
- s->io[i].NumPorts = s->io[i].InUse = num;
- break;
- } else
- return 1;
- } else if (s->io[i].Attributes != attr)
- continue;
- /* Try to extend top of window */
- try = s->io[i].BasePort + s->io[i].NumPorts;
- if ((*base == 0) || (*base == try))
- if (adjust_io_region(s->io[i].res, s->io[i].res->start,
- s->io[i].res->end + num, s) == 0) {
- *base = try;
- s->io[i].NumPorts += num;
- s->io[i].InUse += num;
- break;
- }
- /* Try to extend bottom of window */
- try = s->io[i].BasePort - num;
- if ((*base == 0) || (*base == try))
- if (adjust_io_region(s->io[i].res, s->io[i].res->start - num,
- s->io[i].res->end, s) == 0) {
- s->io[i].BasePort = *base = try;
- s->io[i].NumPorts += num;
- s->io[i].InUse += num;
- break;
- }
- }
- return (i == MAX_IO_WIN);
-} /* alloc_io_space */
-
-static void release_io_space(struct pcmcia_socket *s, ioaddr_t base,
- ioaddr_t num)
-{
- int i;
-
- for (i = 0; i < MAX_IO_WIN; i++) {
- if ((s->io[i].BasePort <= base) &&
- (s->io[i].BasePort+s->io[i].NumPorts >= base+num)) {
- s->io[i].InUse -= num;
- /* Free the window if no one else is using it */
- if (s->io[i].InUse == 0) {
- s->io[i].NumPorts = 0;
- release_resource(s->io[i].res);
- kfree(s->io[i].res);
- s->io[i].res = NULL;
- }
- }
- }
-}
-
-/*======================================================================
-
- Access_configuration_register() reads and writes configuration
- registers in attribute memory. Memory window 0 is reserved for
- this and the tuple reading services.
-
-======================================================================*/
-
-int pcmcia_access_configuration_register(client_handle_t handle,
- conf_reg_t *reg)
-{
- struct pcmcia_socket *s;
- config_t *c;
- int addr;
- u_char val;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- s = SOCKET(handle);
- if (handle->Function == BIND_FN_ALL) {
- if (reg->Function >= s->functions)
- return CS_BAD_ARGS;
- c = &s->config[reg->Function];
- } else
- c = CONFIG(handle);
-
- if (c == NULL)
- return CS_NO_CARD;
-
- if (!(c->state & CONFIG_LOCKED))
- return CS_CONFIGURATION_LOCKED;
-
- addr = (c->ConfigBase + reg->Offset) >> 1;
-
- switch (reg->Action) {
- case CS_READ:
- read_cis_mem(s, 1, addr, 1, &val);
- reg->Value = val;
- break;
- case CS_WRITE:
- val = reg->Value;
- write_cis_mem(s, 1, addr, 1, &val);
- break;
- default:
- return CS_BAD_ARGS;
- break;
- }
- return CS_SUCCESS;
-} /* access_configuration_register */
-
-
-/*====================================================================*/
-
-int pcmcia_deregister_client(client_handle_t handle)
-{
- client_t **client;
- struct pcmcia_socket *s;
- memory_handle_t region;
- u_long flags;
- int i;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
-
- s = SOCKET(handle);
- cs_dbg(s, 1, "deregister_client(%p)\n", handle);
-
- if (handle->state &
- (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED))
- return CS_IN_USE;
- for (i = 0; i < MAX_WIN; i++)
- if (handle->state & CLIENT_WIN_REQ(i))
- return CS_IN_USE;
-
- /* Disconnect all MTD links */
- if (handle->mtd_count) {
- for (region = s->a_region; region; region = region->info.next)
- if (region->mtd == handle) region->mtd = NULL;
- for (region = s->c_region; region; region = region->info.next)
- if (region->mtd == handle) region->mtd = NULL;
- }
-
- if ((handle->state & CLIENT_STALE) ||
- (handle->Attributes & INFO_MASTER_CLIENT)) {
- spin_lock_irqsave(&s->lock, flags);
- client = &s->clients;
- while ((*client) && ((*client) != handle))
- client = &(*client)->next;
- if (*client == NULL) {
- spin_unlock_irqrestore(&s->lock, flags);
- return CS_BAD_HANDLE;
- }
- *client = handle->next;
- handle->client_magic = 0;
- kfree(handle);
- spin_unlock_irqrestore(&s->lock, flags);
- } else {
- handle->state = CLIENT_UNBOUND;
- handle->mtd_count = 0;
- handle->event_handler = NULL;
- }
-
- return CS_SUCCESS;
-} /* deregister_client */
-
-/*====================================================================*/
-
-int pcmcia_get_configuration_info(client_handle_t handle,
- config_info_t *config)
-{
- struct pcmcia_socket *s;
- config_t *c;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- s = SOCKET(handle);
- if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
-
- if (handle->Function == BIND_FN_ALL) {
- if (config->Function && (config->Function >= s->functions))
- return CS_BAD_ARGS;
- } else
- config->Function = handle->Function;
-
-#ifdef CONFIG_CARDBUS
- if (s->state & SOCKET_CARDBUS) {
- u_char fn = config->Function;
- memset(config, 0, sizeof(config_info_t));
- config->Function = fn;
- config->Vcc = s->socket.Vcc;
- config->Vpp1 = config->Vpp2 = s->socket.Vpp;
- config->Option = s->cb_dev->subordinate->number;
- if (s->state & SOCKET_CARDBUS_CONFIG) {
- config->Attributes = CONF_VALID_CLIENT;
- config->IntType = INT_CARDBUS;
- config->AssignedIRQ = s->irq.AssignedIRQ;
- if (config->AssignedIRQ)
- config->Attributes |= CONF_ENABLE_IRQ;
- config->BasePort1 = s->io[0].BasePort;
- config->NumPorts1 = s->io[0].NumPorts;
- }
- return CS_SUCCESS;
- }
-#endif
-
- c = (s->config != NULL) ? &s->config[config->Function] : NULL;
-
- if ((c == NULL) || !(c->state & CONFIG_LOCKED)) {
- config->Attributes = 0;
- config->Vcc = s->socket.Vcc;
- config->Vpp1 = config->Vpp2 = s->socket.Vpp;
- return CS_SUCCESS;
- }
-
- /* !!! This is a hack !!! */
- memcpy(&config->Attributes, &c->Attributes, sizeof(config_t));
- config->Attributes |= CONF_VALID_CLIENT;
- config->CardValues = c->CardValues;
- config->IRQAttributes = c->irq.Attributes;
- config->AssignedIRQ = s->irq.AssignedIRQ;
- config->BasePort1 = c->io.BasePort1;
- config->NumPorts1 = c->io.NumPorts1;
- config->Attributes1 = c->io.Attributes1;
- config->BasePort2 = c->io.BasePort2;
- config->NumPorts2 = c->io.NumPorts2;
- config->Attributes2 = c->io.Attributes2;
- config->IOAddrLines = c->io.IOAddrLines;
-
- return CS_SUCCESS;
-} /* get_configuration_info */
-
-/*======================================================================
-
- Return information about this version of Card Services.
-
-======================================================================*/
-
-int pcmcia_get_card_services_info(servinfo_t *info)
-{
- unsigned int socket_count = 0;
- struct list_head *tmp;
- info->Signature[0] = 'C';
- info->Signature[1] = 'S';
- down_read(&pcmcia_socket_list_rwsem);
- list_for_each(tmp, &pcmcia_socket_list)
- socket_count++;
- up_read(&pcmcia_socket_list_rwsem);
- info->Count = socket_count;
- info->Revision = CS_RELEASE_CODE;
- info->CSLevel = 0x0210;
- info->VendorString = (char *)release;
- return CS_SUCCESS;
-} /* get_card_services_info */
-
-/*======================================================================
-
- Note that get_first_client() *does* recognize the Socket field
- in the request structure.
-
-======================================================================*/
-
-int pcmcia_get_first_client(client_handle_t *handle, client_req_t *req)
-{
- socket_t s;
- struct pcmcia_socket *socket;
- if (req->Attributes & CLIENT_THIS_SOCKET)
- s = req->Socket;
- else
- s = 0;
- socket = pcmcia_get_socket_by_nr(s);
- if (!socket)
- return CS_BAD_SOCKET;
- if (socket->clients == NULL)
- return CS_NO_MORE_ITEMS;
- *handle = socket->clients;
- return CS_SUCCESS;
-} /* get_first_client */
-
-/*====================================================================*/
-
-int pcmcia_get_next_client(client_handle_t *handle, client_req_t *req)
-{
- struct pcmcia_socket *s;
- if ((handle == NULL) || CHECK_HANDLE(*handle))
- return CS_BAD_HANDLE;
- if ((*handle)->next == NULL) {
- if (req->Attributes & CLIENT_THIS_SOCKET)
- return CS_NO_MORE_ITEMS;
- s = (*handle)->Socket;
- if (s->clients == NULL)
- return CS_NO_MORE_ITEMS;
- *handle = s->clients;
- } else
- *handle = (*handle)->next;
- return CS_SUCCESS;
-} /* get_next_client */
-
-/*====================================================================*/
-
-int pcmcia_get_window(window_handle_t *handle, int idx, win_req_t *req)
-{
- struct pcmcia_socket *s;
- window_t *win;
- int w;
-
- if (idx == 0)
- s = ((client_handle_t)*handle)->Socket;
- else
- s = (*handle)->sock;
- if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
- for (w = idx; w < MAX_WIN; w++)
- if (s->state & SOCKET_WIN_REQ(w)) break;
- if (w == MAX_WIN)
- return CS_NO_MORE_ITEMS;
- win = &s->win[w];
- req->Base = win->ctl.res->start;
- req->Size = win->ctl.res->end - win->ctl.res->start + 1;
- req->AccessSpeed = win->ctl.speed;
- req->Attributes = 0;
- if (win->ctl.flags & MAP_ATTRIB)
- req->Attributes |= WIN_MEMORY_TYPE_AM;
- if (win->ctl.flags & MAP_ACTIVE)
- req->Attributes |= WIN_ENABLE;
- if (win->ctl.flags & MAP_16BIT)
- req->Attributes |= WIN_DATA_WIDTH_16;
- if (win->ctl.flags & MAP_USE_WAIT)
- req->Attributes |= WIN_USE_WAIT;
- *handle = win;
- return CS_SUCCESS;
-} /* get_window */
-
-int pcmcia_get_first_window(window_handle_t *win, win_req_t *req)
-{
- if ((win == NULL) || ((*win)->magic != WINDOW_MAGIC))
- return CS_BAD_HANDLE;
- return pcmcia_get_window(win, 0, req);
-}
-
-int pcmcia_get_next_window(window_handle_t *win, win_req_t *req)
-{
- if ((win == NULL) || ((*win)->magic != WINDOW_MAGIC))
- return CS_BAD_HANDLE;
- return pcmcia_get_window(win, (*win)->index+1, req);
-}
-
-/*=====================================================================
-
- Return the PCI device associated with a card..
-
-======================================================================*/
-
-#ifdef CONFIG_CARDBUS
-
-struct pci_bus *pcmcia_lookup_bus(client_handle_t handle)
-{
- struct pcmcia_socket *s;
-
- if (CHECK_HANDLE(handle))
- return NULL;
- s = SOCKET(handle);
- if (!(s->state & SOCKET_CARDBUS))
- return NULL;
-
- return s->cb_dev->subordinate;
-}
-
-EXPORT_SYMBOL(pcmcia_lookup_bus);
-
-#endif
-
-/*======================================================================
-
- Get the current socket state bits. We don't support the latched
- SocketState yet: I haven't seen any point for it.
-
-======================================================================*/
-
-int pcmcia_get_status(client_handle_t handle, cs_status_t *status)
-{
- struct pcmcia_socket *s;
- config_t *c;
- int val;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- s = SOCKET(handle);
- s->ops->get_status(s, &val);
- status->CardState = status->SocketState = 0;
- status->CardState |= (val & SS_DETECT) ? CS_EVENT_CARD_DETECT : 0;
- status->CardState |= (val & SS_CARDBUS) ? CS_EVENT_CB_DETECT : 0;
- status->CardState |= (val & SS_3VCARD) ? CS_EVENT_3VCARD : 0;
- status->CardState |= (val & SS_XVCARD) ? CS_EVENT_XVCARD : 0;
- if (s->state & SOCKET_SUSPEND)
- status->CardState |= CS_EVENT_PM_SUSPEND;
- if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
-
- /* Get info from the PRR, if necessary */
- if (handle->Function == BIND_FN_ALL) {
- if (status->Function && (status->Function >= s->functions))
- return CS_BAD_ARGS;
- c = (s->config != NULL) ? &s->config[status->Function] : NULL;
- } else
- c = CONFIG(handle);
- if ((c != NULL) && (c->state & CONFIG_LOCKED) &&
- (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) {
- u_char reg;
- if (c->Present & PRESENT_PIN_REPLACE) {
- read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, ®);
- status->CardState |=
- (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0;
- status->CardState |=
- (reg & PRR_READY_STATUS) ? CS_EVENT_READY_CHANGE : 0;
- status->CardState |=
- (reg & PRR_BVD2_STATUS) ? CS_EVENT_BATTERY_LOW : 0;
- status->CardState |=
- (reg & PRR_BVD1_STATUS) ? CS_EVENT_BATTERY_DEAD : 0;
- } else {
- /* No PRR? Then assume we're always ready */
- status->CardState |= CS_EVENT_READY_CHANGE;
- }
- if (c->Present & PRESENT_EXT_STATUS) {
- read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, ®);
- status->CardState |=
- (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0;
- }
- return CS_SUCCESS;
- }
- status->CardState |=
- (val & SS_WRPROT) ? CS_EVENT_WRITE_PROTECT : 0;
- status->CardState |=
- (val & SS_BATDEAD) ? CS_EVENT_BATTERY_DEAD : 0;
- status->CardState |=
- (val & SS_BATWARN) ? CS_EVENT_BATTERY_LOW : 0;
- status->CardState |=
- (val & SS_READY) ? CS_EVENT_READY_CHANGE : 0;
- return CS_SUCCESS;
-} /* get_status */
-
-/*======================================================================
-
- Change the card address of an already open memory window.
-
-======================================================================*/
-
-int pcmcia_get_mem_page(window_handle_t win, memreq_t *req)
-{
- if ((win == NULL) || (win->magic != WINDOW_MAGIC))
- return CS_BAD_HANDLE;
- req->Page = 0;
- req->CardOffset = win->ctl.card_start;
- return CS_SUCCESS;
-} /* get_mem_page */
-
-int pcmcia_map_mem_page(window_handle_t win, memreq_t *req)
-{
- struct pcmcia_socket *s;
- if ((win == NULL) || (win->magic != WINDOW_MAGIC))
- return CS_BAD_HANDLE;
- if (req->Page != 0)
- return CS_BAD_PAGE;
- s = win->sock;
- win->ctl.card_start = req->CardOffset;
- if (s->ops->set_mem_map(s, &win->ctl) != 0)
- return CS_BAD_OFFSET;
- return CS_SUCCESS;
-} /* map_mem_page */
-
-/*======================================================================
-
- Modify a locked socket configuration
-
-======================================================================*/
-
-int pcmcia_modify_configuration(client_handle_t handle,
- modconf_t *mod)
-{
- struct pcmcia_socket *s;
- config_t *c;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- s = SOCKET(handle); c = CONFIG(handle);
- if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
- if (!(c->state & CONFIG_LOCKED))
- return CS_CONFIGURATION_LOCKED;
-
- if (mod->Attributes & CONF_IRQ_CHANGE_VALID) {
- if (mod->Attributes & CONF_ENABLE_IRQ) {
- c->Attributes |= CONF_ENABLE_IRQ;
- s->socket.io_irq = s->irq.AssignedIRQ;
- } else {
- c->Attributes &= ~CONF_ENABLE_IRQ;
- s->socket.io_irq = 0;
- }
- s->ops->set_socket(s, &s->socket);
- }
-
- if (mod->Attributes & CONF_VCC_CHANGE_VALID)
- return CS_BAD_VCC;
-
- /* We only allow changing Vpp1 and Vpp2 to the same value */
- if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) &&
- (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
- if (mod->Vpp1 != mod->Vpp2)
- return CS_BAD_VPP;
- c->Vpp1 = c->Vpp2 = s->socket.Vpp = mod->Vpp1;
- if (s->ops->set_socket(s, &s->socket))
- return CS_BAD_VPP;
- } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) ||
- (mod->Attributes & CONF_VPP2_CHANGE_VALID))
- return CS_BAD_VPP;
-
- return CS_SUCCESS;
-} /* modify_configuration */
-
-/*======================================================================
-
- Modify the attributes of a window returned by RequestWindow.
-
-======================================================================*/
-
-int pcmcia_modify_window(window_handle_t win, modwin_t *req)
-{
- if ((win == NULL) || (win->magic != WINDOW_MAGIC))
- return CS_BAD_HANDLE;
-
- win->ctl.flags &= ~(MAP_ATTRIB|MAP_ACTIVE);
- if (req->Attributes & WIN_MEMORY_TYPE)
- win->ctl.flags |= MAP_ATTRIB;
- if (req->Attributes & WIN_ENABLE)
- win->ctl.flags |= MAP_ACTIVE;
- if (req->Attributes & WIN_DATA_WIDTH_16)
- win->ctl.flags |= MAP_16BIT;
- if (req->Attributes & WIN_USE_WAIT)
- win->ctl.flags |= MAP_USE_WAIT;
- win->ctl.speed = req->AccessSpeed;
- win->sock->ops->set_mem_map(win->sock, &win->ctl);
-
- return CS_SUCCESS;
-} /* modify_window */
-
-/*======================================================================
-
- Register_client() uses the dev_info_t handle to match the
- caller with a socket. The driver must have already been bound
- to a socket with bind_device() -- in fact, bind_device()
- allocates the client structure that will be used.
-
-======================================================================*/
-
-int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
-{
- client_t *client = NULL;
- struct pcmcia_socket *s;
-
- /* Look for unbound client with matching dev_info */
- down_read(&pcmcia_socket_list_rwsem);
- list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
- client = s->clients;
- while (client != NULL) {
- if ((strcmp(client->dev_info, (char *)req->dev_info) == 0)
- && (client->state & CLIENT_UNBOUND)) break;
- client = client->next;
- }
- if (client != NULL) break;
- }
- up_read(&pcmcia_socket_list_rwsem);
- if (client == NULL)
- return CS_OUT_OF_RESOURCE;
-
- /*
- * Prevent this racing with a card insertion.
- */
- down(&s->skt_sem);
- *handle = client;
- client->state &= ~CLIENT_UNBOUND;
- client->Socket = s;
- client->Attributes = req->Attributes;
- client->EventMask = req->EventMask;
- client->event_handler = req->event_handler;
- client->event_callback_args = req->event_callback_args;
- client->event_callback_args.client_handle = client;
-
- if (s->state & SOCKET_CARDBUS)
- client->state |= CLIENT_CARDBUS;
-
- if ((!(s->state & SOCKET_CARDBUS)) && (s->functions == 0) &&
- (client->Function != BIND_FN_ALL)) {
- cistpl_longlink_mfc_t mfc;
- if (read_tuple(client, CISTPL_LONGLINK_MFC, &mfc)
- == CS_SUCCESS)
- s->functions = mfc.nfn;
- else
- s->functions = 1;
- s->config = kmalloc(sizeof(config_t) * s->functions,
- GFP_KERNEL);
- if (!s->config)
- goto out_no_resource;
- memset(s->config, 0, sizeof(config_t) * s->functions);
- }
-
- cs_dbg(s, 1, "register_client(): client 0x%p, dev %s\n",
- client, client->dev_info);
- if (client->EventMask & CS_EVENT_REGISTRATION_COMPLETE)
- EVENT(client, CS_EVENT_REGISTRATION_COMPLETE, CS_EVENT_PRI_LOW);
-
- if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT) {
- if (client->EventMask & CS_EVENT_CARD_INSERTION)
- EVENT(client, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
- else
- client->PendingEvents |= CS_EVENT_CARD_INSERTION;
- }
-
- up(&s->skt_sem);
- return CS_SUCCESS;
-
- out_no_resource:
- up(&s->skt_sem);
- return CS_OUT_OF_RESOURCE;
-} /* register_client */
-
-/*====================================================================*/
-
-int pcmcia_release_configuration(client_handle_t handle)
-{
- pccard_io_map io = { 0, 0, 0, 0, 1 };
- struct pcmcia_socket *s;
- int i;
-
- if (CHECK_HANDLE(handle) ||
- !(handle->state & CLIENT_CONFIG_LOCKED))
- return CS_BAD_HANDLE;
- handle->state &= ~CLIENT_CONFIG_LOCKED;
- s = SOCKET(handle);
-
-#ifdef CONFIG_CARDBUS
- if (handle->state & CLIENT_CARDBUS)
- return CS_SUCCESS;
-#endif
-
- if (!(handle->state & CLIENT_STALE)) {
- config_t *c = CONFIG(handle);
- if (--(s->lock_count) == 0) {
- s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */
- s->socket.Vpp = 0;
- s->socket.io_irq = 0;
- s->ops->set_socket(s, &s->socket);
- }
- if (c->state & CONFIG_IO_REQ)
- for (i = 0; i < MAX_IO_WIN; i++) {
- if (s->io[i].NumPorts == 0)
- continue;
- s->io[i].Config--;
- if (s->io[i].Config != 0)
- continue;
- io.map = i;
- s->ops->set_io_map(s, &io);
- }
- c->state &= ~CONFIG_LOCKED;
- }
-
- return CS_SUCCESS;
-} /* release_configuration */
-
-/*======================================================================
-
- Release_io() releases the I/O ranges allocated by a client. This
- may be invoked some time after a card ejection has already dumped
- the actual socket configuration, so if the client is "stale", we
- don't bother checking the port ranges against the current socket
- values.
-
-======================================================================*/
-
-int pcmcia_release_io(client_handle_t handle, io_req_t *req)
-{
- struct pcmcia_socket *s;
-
- if (CHECK_HANDLE(handle) || !(handle->state & CLIENT_IO_REQ))
- return CS_BAD_HANDLE;
- handle->state &= ~CLIENT_IO_REQ;
- s = SOCKET(handle);
-
-#ifdef CONFIG_CARDBUS
- if (handle->state & CLIENT_CARDBUS)
- return CS_SUCCESS;
-#endif
-
- if (!(handle->state & CLIENT_STALE)) {
- config_t *c = CONFIG(handle);
- if (c->state & CONFIG_LOCKED)
- return CS_CONFIGURATION_LOCKED;
- if ((c->io.BasePort1 != req->BasePort1) ||
- (c->io.NumPorts1 != req->NumPorts1) ||
- (c->io.BasePort2 != req->BasePort2) ||
- (c->io.NumPorts2 != req->NumPorts2))
- return CS_BAD_ARGS;
- c->state &= ~CONFIG_IO_REQ;
- }
-
- release_io_space(s, req->BasePort1, req->NumPorts1);
- if (req->NumPorts2)
- release_io_space(s, req->BasePort2, req->NumPorts2);
-
- return CS_SUCCESS;
-} /* release_io */
-
-/*====================================================================*/
-
-int pcmcia_release_irq(client_handle_t handle, irq_req_t *req)
-{
- struct pcmcia_socket *s;
- if (CHECK_HANDLE(handle) || !(handle->state & CLIENT_IRQ_REQ))
- return CS_BAD_HANDLE;
- handle->state &= ~CLIENT_IRQ_REQ;
- s = SOCKET(handle);
-
- if (!(handle->state & CLIENT_STALE)) {
- config_t *c = CONFIG(handle);
- if (c->state & CONFIG_LOCKED)
- return CS_CONFIGURATION_LOCKED;
- if (c->irq.Attributes != req->Attributes)
- return CS_BAD_ATTRIBUTE;
- if (s->irq.AssignedIRQ != req->AssignedIRQ)
- return CS_BAD_IRQ;
- if (--s->irq.Config == 0) {
- c->state &= ~CONFIG_IRQ_REQ;
- s->irq.AssignedIRQ = 0;
- }
- }
-
- if (req->Attributes & IRQ_HANDLE_PRESENT) {
- free_irq(req->AssignedIRQ, req->Instance);
- }
-
-#ifdef CONFIG_PCMCIA_PROBE
- if (req->AssignedIRQ != s->pci_irq)
- undo_irq(req->Attributes, req->AssignedIRQ);
-#endif
-
- return CS_SUCCESS;
-} /* cs_release_irq */
-
-/*====================================================================*/
-
-int pcmcia_release_window(window_handle_t win)
+/* register pcmcia_callback */
+int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c)
{
- struct pcmcia_socket *s;
-
- if ((win == NULL) || (win->magic != WINDOW_MAGIC))
- return CS_BAD_HANDLE;
- s = win->sock;
- if (!(win->handle->state & CLIENT_WIN_REQ(win->index)))
- return CS_BAD_HANDLE;
-
- /* Shut down memory window */
- win->ctl.flags &= ~MAP_ACTIVE;
- s->ops->set_mem_map(s, &win->ctl);
- s->state &= ~SOCKET_WIN_REQ(win->index);
-
- /* Release system memory */
- if (win->ctl.res) {
- release_resource(win->ctl.res);
- kfree(win->ctl.res);
- win->ctl.res = NULL;
- }
- win->handle->state &= ~CLIENT_WIN_REQ(win->index);
-
- win->magic = 0;
-
- return CS_SUCCESS;
-} /* release_window */
+ int ret = 0;
-/*====================================================================*/
+ /* s->skt_mutex also protects s->callback */
+ mutex_lock(&s->skt_mutex);
-int pcmcia_request_configuration(client_handle_t handle,
- config_req_t *req)
-{
- int i;
- u_int base;
- struct pcmcia_socket *s;
- config_t *c;
- pccard_io_map iomap;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- s = SOCKET(handle);
- if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
-
-#ifdef CONFIG_CARDBUS
- if (handle->state & CLIENT_CARDBUS)
- return CS_UNSUPPORTED_MODE;
-#endif
-
- if (req->IntType & INT_CARDBUS)
- return CS_UNSUPPORTED_MODE;
- c = CONFIG(handle);
- if (c->state & CONFIG_LOCKED)
- return CS_CONFIGURATION_LOCKED;
-
- /* Do power control. We don't allow changes in Vcc. */
- if (s->socket.Vcc != req->Vcc)
- return CS_BAD_VCC;
- if (req->Vpp1 != req->Vpp2)
- return CS_BAD_VPP;
- s->socket.Vpp = req->Vpp1;
- if (s->ops->set_socket(s, &s->socket))
- return CS_BAD_VPP;
-
- c->Vcc = req->Vcc; c->Vpp1 = c->Vpp2 = req->Vpp1;
-
- /* Pick memory or I/O card, DMA mode, interrupt */
- c->IntType = req->IntType;
- c->Attributes = req->Attributes;
- if (req->IntType & INT_MEMORY_AND_IO)
- s->socket.flags |= SS_IOCARD;
- if (req->IntType & INT_ZOOMED_VIDEO)
- s->socket.flags |= SS_ZVCARD | SS_IOCARD;
- if (req->Attributes & CONF_ENABLE_DMA)
- s->socket.flags |= SS_DMA_MODE;
- if (req->Attributes & CONF_ENABLE_SPKR)
- s->socket.flags |= SS_SPKR_ENA;
- if (req->Attributes & CONF_ENABLE_IRQ)
- s->socket.io_irq = s->irq.AssignedIRQ;
- else
- s->socket.io_irq = 0;
- s->ops->set_socket(s, &s->socket);
- s->lock_count++;
-
- /* Set up CIS configuration registers */
- base = c->ConfigBase = req->ConfigBase;
- c->Present = c->CardValues = req->Present;
- if (req->Present & PRESENT_COPY) {
- c->Copy = req->Copy;
- write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &c->Copy);
- }
- if (req->Present & PRESENT_OPTION) {
- if (s->functions == 1) {
- c->Option = req->ConfigIndex & COR_CONFIG_MASK;
- } else {
- c->Option = req->ConfigIndex & COR_MFC_CONFIG_MASK;
- c->Option |= COR_FUNC_ENA|COR_IREQ_ENA;
- if (req->Present & PRESENT_IOBASE_0)
- c->Option |= COR_ADDR_DECODE;
- }
- if (c->state & CONFIG_IRQ_REQ)
- if (!(c->irq.Attributes & IRQ_FORCED_PULSE))
- c->Option |= COR_LEVEL_REQ;
- write_cis_mem(s, 1, (base + CISREG_COR)>>1, 1, &c->Option);
- mdelay(40);
- }
- if (req->Present & PRESENT_STATUS) {
- c->Status = req->Status;
- write_cis_mem(s, 1, (base + CISREG_CCSR)>>1, 1, &c->Status);
- }
- if (req->Present & PRESENT_PIN_REPLACE) {
- c->Pin = req->Pin;
- write_cis_mem(s, 1, (base + CISREG_PRR)>>1, 1, &c->Pin);
- }
- if (req->Present & PRESENT_EXT_STATUS) {
- c->ExtStatus = req->ExtStatus;
- write_cis_mem(s, 1, (base + CISREG_ESR)>>1, 1, &c->ExtStatus);
- }
- if (req->Present & PRESENT_IOBASE_0) {
- u_char b = c->io.BasePort1 & 0xff;
- write_cis_mem(s, 1, (base + CISREG_IOBASE_0)>>1, 1, &b);
- b = (c->io.BasePort1 >> 8) & 0xff;
- write_cis_mem(s, 1, (base + CISREG_IOBASE_1)>>1, 1, &b);
- }
- if (req->Present & PRESENT_IOSIZE) {
- u_char b = c->io.NumPorts1 + c->io.NumPorts2 - 1;
- write_cis_mem(s, 1, (base + CISREG_IOSIZE)>>1, 1, &b);
- }
-
- /* Configure I/O windows */
- if (c->state & CONFIG_IO_REQ) {
- iomap.speed = io_speed;
- for (i = 0; i < MAX_IO_WIN; i++)
- if (s->io[i].NumPorts != 0) {
- iomap.map = i;
- iomap.flags = MAP_ACTIVE;
- switch (s->io[i].Attributes & IO_DATA_PATH_WIDTH) {
- case IO_DATA_PATH_WIDTH_16:
- iomap.flags |= MAP_16BIT; break;
- case IO_DATA_PATH_WIDTH_AUTO:
- iomap.flags |= MAP_AUTOSZ; break;
- default:
- break;
+ if (c) {
+ /* registration */
+ if (s->callback) {
+ ret = -EBUSY;
+ goto err;
}
- iomap.start = s->io[i].BasePort;
- iomap.stop = iomap.start + s->io[i].NumPorts - 1;
- s->ops->set_io_map(s, &iomap);
- s->io[i].Config++;
- }
- }
-
- c->state |= CONFIG_LOCKED;
- handle->state |= CLIENT_CONFIG_LOCKED;
- return CS_SUCCESS;
-} /* request_configuration */
-
-/*======================================================================
-
- Request_io() reserves ranges of port addresses for a socket.
- I have not implemented range sharing or alias addressing.
-
-======================================================================*/
-int pcmcia_request_io(client_handle_t handle, io_req_t *req)
-{
- struct pcmcia_socket *s;
- config_t *c;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- s = SOCKET(handle);
- if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
+ s->callback = c;
- if (handle->state & CLIENT_CARDBUS) {
-#ifdef CONFIG_CARDBUS
- handle->state |= CLIENT_IO_REQ;
- return CS_SUCCESS;
-#else
- return CS_UNSUPPORTED_FUNCTION;
-#endif
- }
-
- if (!req)
- return CS_UNSUPPORTED_MODE;
- c = CONFIG(handle);
- if (c->state & CONFIG_LOCKED)
- return CS_CONFIGURATION_LOCKED;
- if (c->state & CONFIG_IO_REQ)
- return CS_IN_USE;
- if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))
- return CS_BAD_ATTRIBUTE;
- if ((req->NumPorts2 > 0) &&
- (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)))
- return CS_BAD_ATTRIBUTE;
-
- if (alloc_io_space(s, req->Attributes1, &req->BasePort1,
- req->NumPorts1, req->IOAddrLines,
- handle->dev_info))
- return CS_IN_USE;
-
- if (req->NumPorts2) {
- if (alloc_io_space(s, req->Attributes2, &req->BasePort2,
- req->NumPorts2, req->IOAddrLines,
- handle->dev_info)) {
- release_io_space(s, req->BasePort1, req->NumPorts1);
- return CS_IN_USE;
- }
- }
-
- c->io = *req;
- c->state |= CONFIG_IO_REQ;
- handle->state |= CLIENT_IO_REQ;
- return CS_SUCCESS;
-} /* request_io */
-
-/*======================================================================
-
- Request_irq() reserves an irq for this client.
-
- Also, since Linux only reserves irq's when they are actually
- hooked, we don't guarantee that an irq will still be available
- when the configuration is locked. Now that I think about it,
- there might be a way to fix this using a dummy handler.
-
-======================================================================*/
-
-int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
-{
- struct pcmcia_socket *s;
- config_t *c;
- int ret = CS_IN_USE, irq = 0;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- s = SOCKET(handle);
- if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
- c = CONFIG(handle);
- if (c->state & CONFIG_LOCKED)
- return CS_CONFIGURATION_LOCKED;
- if (c->state & CONFIG_IRQ_REQ)
- return CS_IN_USE;
-
-#ifdef CONFIG_PCMCIA_PROBE
- if (s->irq.AssignedIRQ != 0) {
- /* If the interrupt is already assigned, it must match */
- irq = s->irq.AssignedIRQ;
- if (req->IRQInfo1 & IRQ_INFO2_VALID) {
- u_int mask = req->IRQInfo2 & s->irq_mask;
- ret = ((mask >> irq) & 1) ? 0 : CS_BAD_ARGS;
+ if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT)
+ send_event(s, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
} else
- ret = ((req->IRQInfo1&IRQ_MASK) == irq) ? 0 : CS_BAD_ARGS;
- } else {
- if (req->IRQInfo1 & IRQ_INFO2_VALID) {
- u_int try, mask = req->IRQInfo2 & s->irq_mask;
- for (try = 0; try < 2; try++) {
- for (irq = 0; irq < 32; irq++)
- if ((mask >> irq) & 1) {
- ret = try_irq(req->Attributes, irq, try);
- if (ret == 0) break;
- }
- if (ret == 0) break;
- }
- } else {
- irq = req->IRQInfo1 & IRQ_MASK;
- ret = try_irq(req->Attributes, irq, 1);
- }
- }
-#endif
- if (ret != 0) {
- if (!s->pci_irq)
- return ret;
- irq = s->pci_irq;
- }
-
- if (req->Attributes & IRQ_HANDLE_PRESENT) {
- if (request_irq(irq, req->Handler,
- ((req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) ||
- (s->functions > 1) ||
- (irq == s->pci_irq)) ? SA_SHIRQ : 0,
- handle->dev_info, req->Instance))
- return CS_IN_USE;
- }
-
- c->irq.Attributes = req->Attributes;
- s->irq.AssignedIRQ = req->AssignedIRQ = irq;
- s->irq.Config++;
-
- c->state |= CONFIG_IRQ_REQ;
- handle->state |= CLIENT_IRQ_REQ;
- return CS_SUCCESS;
-} /* pcmcia_request_irq */
-
-/*======================================================================
-
- Request_window() establishes a mapping between card memory space
- and system memory space.
-
-======================================================================*/
+ s->callback = NULL;
+ err:
+ mutex_unlock(&s->skt_mutex);
-int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle_t *wh)
-{
- struct pcmcia_socket *s;
- window_t *win;
- u_long align;
- int w;
-
- if (CHECK_HANDLE(*handle))
- return CS_BAD_HANDLE;
- s = (*handle)->Socket;
- if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
- if (req->Attributes & (WIN_PAGED | WIN_SHARED))
- return CS_BAD_ATTRIBUTE;
-
- /* Window size defaults to smallest available */
- if (req->Size == 0)
- req->Size = s->map_size;
- align = (((s->features & SS_CAP_MEM_ALIGN) ||
- (req->Attributes & WIN_STRICT_ALIGN)) ?
- req->Size : s->map_size);
- if (req->Size & (s->map_size-1))
- return CS_BAD_SIZE;
- if ((req->Base && (s->features & SS_CAP_STATIC_MAP)) ||
- (req->Base & (align-1)))
- return CS_BAD_BASE;
- if (req->Base)
- align = 0;
-
- /* Allocate system memory window */
- for (w = 0; w < MAX_WIN; w++)
- if (!(s->state & SOCKET_WIN_REQ(w))) break;
- if (w == MAX_WIN)
- return CS_OUT_OF_RESOURCE;
-
- win = &s->win[w];
- win->magic = WINDOW_MAGIC;
- win->index = w;
- win->handle = *handle;
- win->sock = s;
-
- if (!(s->features & SS_CAP_STATIC_MAP)) {
- win->ctl.res = find_mem_region(req->Base, req->Size, align,
- (req->Attributes & WIN_MAP_BELOW_1MB),
- (*handle)->dev_info, s);
- if (!win->ctl.res)
- return CS_IN_USE;
- win->ctl.sys_start = win->ctl.res->start;
- win->ctl.sys_stop = win->ctl.res->end;
- } else {
- win->ctl.sys_start = req->Base;
- win->ctl.sys_stop = req->Base + req->Size - 1;
- }
- (*handle)->state |= CLIENT_WIN_REQ(w);
-
- /* Configure the socket controller */
- win->ctl.map = w+1;
- win->ctl.flags = 0;
- win->ctl.speed = req->AccessSpeed;
- if (req->Attributes & WIN_MEMORY_TYPE)
- win->ctl.flags |= MAP_ATTRIB;
- if (req->Attributes & WIN_ENABLE)
- win->ctl.flags |= MAP_ACTIVE;
- if (req->Attributes & WIN_DATA_WIDTH_16)
- win->ctl.flags |= MAP_16BIT;
- if (req->Attributes & WIN_USE_WAIT)
- win->ctl.flags |= MAP_USE_WAIT;
- win->ctl.card_start = 0;
- if (s->ops->set_mem_map(s, &win->ctl) != 0)
- return CS_BAD_ARGS;
- s->state |= SOCKET_WIN_REQ(w);
-
- /* Return window handle */
- req->Base = win->ctl.sys_start;
- *wh = win;
-
- return CS_SUCCESS;
-} /* request_window */
+ return ret;
+}
+EXPORT_SYMBOL(pccard_register_pcmcia);
-/*======================================================================
- I'm not sure which "reset" function this is supposed to use,
- but for now, it uses the low-level interface's reset, not the
- CIS register.
-
-======================================================================*/
+/* I'm not sure which "reset" function this is supposed to use,
+ * but for now, it uses the low-level interface's reset, not the
+ * CIS register.
+ */
-int pcmcia_reset_card(client_handle_t handle, client_req_t *req)
+int pccard_reset_card(struct pcmcia_socket *skt)
{
- struct pcmcia_socket *skt;
int ret;
-
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- skt = SOCKET(handle);
+
cs_dbg(skt, 1, "resetting socket\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
ret = CS_NO_CARD;
ret = send_event(skt, CS_EVENT_RESET_REQUEST, CS_EVENT_PRI_LOW);
if (ret == 0) {
send_event(skt, CS_EVENT_RESET_PHYSICAL, CS_EVENT_PRI_LOW);
- if (socket_reset(skt) == CS_SUCCESS)
+ if (skt->callback)
+ skt->callback->suspend(skt);
+ if (socket_reset(skt) == CS_SUCCESS) {
send_event(skt, CS_EVENT_CARD_RESET, CS_EVENT_PRI_LOW);
+ if (skt->callback)
+ skt->callback->resume(skt);
+ }
}
- handle->event_callback_args.info = (void *)(u_long)ret;
- EVENT(handle, CS_EVENT_RESET_COMPLETE, CS_EVENT_PRI_LOW);
-
ret = CS_SUCCESS;
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* reset_card */
+EXPORT_SYMBOL(pccard_reset_card);
-/*======================================================================
-
- These shut down or wake up a socket. They are sort of user
- initiated versions of the APM suspend and resume actions.
-
-======================================================================*/
+/* These shut down or wake up a socket. They are sort of user
+ * initiated versions of the APM suspend and resume actions.
+ */
int pcmcia_suspend_card(struct pcmcia_socket *skt)
{
int ret;
-
+
cs_dbg(skt, 1, "suspending socket\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
ret = CS_NO_CARD;
ret = CS_UNSUPPORTED_FUNCTION;
break;
}
+ if (skt->callback) {
+ ret = skt->callback->suspend(skt);
+ if (ret)
+ break;
+ }
ret = socket_suspend(skt);
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* suspend_card */
+EXPORT_SYMBOL(pcmcia_suspend_card);
+
int pcmcia_resume_card(struct pcmcia_socket *skt)
{
cs_dbg(skt, 1, "waking up socket\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
ret = CS_NO_CARD;
break;
}
ret = socket_resume(skt);
+ if (!ret && skt->callback)
+ skt->callback->resume(skt);
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* resume_card */
+EXPORT_SYMBOL(pcmcia_resume_card);
-/*======================================================================
-
- These handle user requests to eject or insert a card.
-
-======================================================================*/
+/* These handle user requests to eject or insert a card. */
int pcmcia_eject_card(struct pcmcia_socket *skt)
{
int ret;
cs_dbg(skt, 1, "user eject request\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
ret = -ENODEV;
socket_remove(skt);
ret = 0;
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* eject_card */
+EXPORT_SYMBOL(pcmcia_eject_card);
+
int pcmcia_insert_card(struct pcmcia_socket *skt)
{
cs_dbg(skt, 1, "user insert request\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (skt->state & SOCKET_PRESENT) {
ret = -EBUSY;
}
ret = 0;
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* insert_card */
+EXPORT_SYMBOL(pcmcia_insert_card);
-/*======================================================================
- Maybe this should send a CS_EVENT_CARD_INSERTION event if we
- haven't sent one to this client yet?
-
-======================================================================*/
+static int pcmcia_socket_uevent(struct class_device *dev, char **envp,
+ int num_envp, char *buffer, int buffer_size)
+{
+ struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev);
+ int i = 0, length = 0;
+
+ if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
+ &length, "SOCKET_NO=%u", s->sock))
+ return -ENOMEM;
+
+ envp[i] = NULL;
+
+ return 0;
+}
+
+
+static struct completion pcmcia_unload;
-int pcmcia_set_event_mask(client_handle_t handle, eventmask_t *mask)
+static void pcmcia_release_socket_class(struct class *data)
{
- u_int events, bit;
- if (CHECK_HANDLE(handle))
- return CS_BAD_HANDLE;
- if (handle->Attributes & CONF_EVENT_MASK_VALID)
- return CS_BAD_SOCKET;
- handle->EventMask = mask->EventMask;
- events = handle->PendingEvents & handle->EventMask;
- handle->PendingEvents -= events;
- while (events != 0) {
- bit = ((events ^ (events-1)) + 1) >> 1;
- EVENT(handle, bit, CS_EVENT_PRI_LOW);
- events -= bit;
- }
- return CS_SUCCESS;
-} /* set_event_mask */
-
-/*======================================================================
-
- OS-specific module glue goes here
-
-======================================================================*/
-/* in alpha order */
-EXPORT_SYMBOL(pcmcia_access_configuration_register);
-EXPORT_SYMBOL(pcmcia_adjust_resource_info);
-EXPORT_SYMBOL(pcmcia_check_erase_queue);
-EXPORT_SYMBOL(pcmcia_close_memory);
-EXPORT_SYMBOL(pcmcia_copy_memory);
-EXPORT_SYMBOL(pcmcia_deregister_client);
-EXPORT_SYMBOL(pcmcia_deregister_erase_queue);
-EXPORT_SYMBOL(pcmcia_eject_card);
-EXPORT_SYMBOL(pcmcia_get_first_client);
-EXPORT_SYMBOL(pcmcia_get_card_services_info);
-EXPORT_SYMBOL(pcmcia_get_configuration_info);
-EXPORT_SYMBOL(pcmcia_get_mem_page);
-EXPORT_SYMBOL(pcmcia_get_next_client);
-EXPORT_SYMBOL(pcmcia_get_first_region);
-EXPORT_SYMBOL(pcmcia_get_first_tuple);
-EXPORT_SYMBOL(pcmcia_get_first_window);
-EXPORT_SYMBOL(pcmcia_get_next_region);
-EXPORT_SYMBOL(pcmcia_get_next_tuple);
-EXPORT_SYMBOL(pcmcia_get_next_window);
-EXPORT_SYMBOL(pcmcia_get_status);
-EXPORT_SYMBOL(pcmcia_get_tuple_data);
-EXPORT_SYMBOL(pcmcia_insert_card);
-EXPORT_SYMBOL(pcmcia_map_mem_page);
-EXPORT_SYMBOL(pcmcia_modify_configuration);
-EXPORT_SYMBOL(pcmcia_modify_window);
-EXPORT_SYMBOL(pcmcia_open_memory);
-EXPORT_SYMBOL(pcmcia_parse_tuple);
-EXPORT_SYMBOL(pcmcia_read_memory);
-EXPORT_SYMBOL(pcmcia_register_client);
-EXPORT_SYMBOL(pcmcia_register_erase_queue);
-EXPORT_SYMBOL(pcmcia_register_mtd);
-EXPORT_SYMBOL(pcmcia_release_configuration);
-EXPORT_SYMBOL(pcmcia_release_io);
-EXPORT_SYMBOL(pcmcia_release_irq);
-EXPORT_SYMBOL(pcmcia_release_window);
-EXPORT_SYMBOL(pcmcia_replace_cis);
-EXPORT_SYMBOL(pcmcia_request_configuration);
-EXPORT_SYMBOL(pcmcia_request_io);
-EXPORT_SYMBOL(pcmcia_request_irq);
-EXPORT_SYMBOL(pcmcia_request_window);
-EXPORT_SYMBOL(pcmcia_reset_card);
-EXPORT_SYMBOL(pcmcia_resume_card);
-EXPORT_SYMBOL(pcmcia_set_event_mask);
-EXPORT_SYMBOL(pcmcia_suspend_card);
-EXPORT_SYMBOL(pcmcia_validate_cis);
-EXPORT_SYMBOL(pcmcia_write_memory);
+ complete(&pcmcia_unload);
+}
-EXPORT_SYMBOL(dead_socket);
-EXPORT_SYMBOL(MTDHelperEntry);
-EXPORT_SYMBOL(pcmcia_parse_events);
struct class pcmcia_socket_class = {
.name = "pcmcia_socket",
+ .uevent = pcmcia_socket_uevent,
.release = pcmcia_release_socket,
+ .class_release = pcmcia_release_socket_class,
};
EXPORT_SYMBOL(pcmcia_socket_class);
static int __init init_pcmcia_cs(void)
{
int ret;
- printk(KERN_INFO "%s\n", release);
- printk(KERN_INFO " %s\n", options);
+ init_completion(&pcmcia_unload);
ret = class_register(&pcmcia_socket_class);
if (ret)
return (ret);
static void __exit exit_pcmcia_cs(void)
{
- printk(KERN_INFO "unloading Kernel Card Services\n");
- release_resource_db();
- class_interface_unregister(&pccard_sysfs_interface);
- class_unregister(&pcmcia_socket_class);
+ class_interface_unregister(&pccard_sysfs_interface);
+ class_unregister(&pcmcia_socket_class);
+
+ wait_for_completion(&pcmcia_unload);
}
subsys_initcall(init_pcmcia_cs);
module_exit(exit_pcmcia_cs);
-/*====================================================================*/
-
git://git.onelab.eu / linux-2.6.git / blobdiff