*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/pci.h>
+#include <linux/smp_lock.h>
#include <linux/workqueue.h>
-#define IN_CARD_SERVICES
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
+#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
#include <pcmcia/ss.h>
#ifdef DEBUG
extern int ds_pc_debug;
-#define cs_socket_name(skt) ((skt)->dev.class_id)
#define ds_dbg(lvl, fmt, arg...) do { \
if (ds_pc_debug >= lvl) \
int count, int *eof, void *data)
{
char *p = buf;
+ int rc;
- bus_for_each_drv(&pcmcia_bus_type, NULL,
- (void *) &p, proc_read_drivers_callback);
+ rc = bus_for_each_drv(&pcmcia_bus_type, NULL,
+ (void *) &p, proc_read_drivers_callback);
+ if (rc < 0)
+ return rc;
return (p - buf);
}
#endif
+
+#ifdef CONFIG_PCMCIA_PROBE
+
+static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj)
+{
+ int irq;
+ u32 mask;
+
+ irq = adj->resource.irq.IRQ;
+ if ((irq < 0) || (irq > 15))
+ return CS_BAD_IRQ;
+
+ if (adj->Action != REMOVE_MANAGED_RESOURCE)
+ return 0;
+
+ mask = 1 << irq;
+
+ if (!(s->irq_mask & mask))
+ return 0;
+
+ s->irq_mask &= ~mask;
+
+ return 0;
+}
+
+#else
+
+static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) {
+ return CS_SUCCESS;
+}
+
+#endif
+
+static int pcmcia_adjust_resource_info(adjust_t *adj)
+{
+ struct pcmcia_socket *s;
+ int ret = CS_UNSUPPORTED_FUNCTION;
+ unsigned long flags;
+
+ down_read(&pcmcia_socket_list_rwsem);
+ list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
+
+ if (adj->Resource == RES_IRQ)
+ ret = adjust_irq(s, adj);
+
+ else if (s->resource_ops->add_io) {
+ unsigned long begin, end;
+
+ /* you can't use the old interface if the new
+ * one was used before */
+ spin_lock_irqsave(&s->lock, flags);
+ if ((s->resource_setup_new) &&
+ !(s->resource_setup_old)) {
+ spin_unlock_irqrestore(&s->lock, flags);
+ continue;
+ } else if (!(s->resource_setup_old))
+ s->resource_setup_old = 1;
+ spin_unlock_irqrestore(&s->lock, flags);
+
+ switch (adj->Resource) {
+ case RES_MEMORY_RANGE:
+ begin = adj->resource.memory.Base;
+ end = adj->resource.memory.Base + adj->resource.memory.Size - 1;
+ if (s->resource_ops->add_mem)
+ ret =s->resource_ops->add_mem(s, adj->Action, begin, end);
+ case RES_IO_RANGE:
+ begin = adj->resource.io.BasePort;
+ end = adj->resource.io.BasePort + adj->resource.io.NumPorts - 1;
+ if (s->resource_ops->add_io)
+ ret = s->resource_ops->add_io(s, adj->Action, begin, end);
+ }
+ if (!ret) {
+ /* as there's no way we know this is the
+ * last call to adjust_resource_info, we
+ * always need to assume this is the latest
+ * one... */
+ spin_lock_irqsave(&s->lock, flags);
+ s->resource_setup_done = 1;
+ spin_unlock_irqrestore(&s->lock, flags);
+ }
+ }
+ }
+ up_read(&pcmcia_socket_list_rwsem);
+
+ return (ret);
+}
+
+/** pccard_get_status
+ *
+ * Get the current socket state bits. We don't support the latched
+ * SocketState yet: I haven't seen any point for it.
+ */
+
+static int pccard_get_status(struct pcmcia_socket *s,
+ struct pcmcia_device *p_dev,
+ cs_status_t *status)
+{
+ config_t *c;
+ int val;
+
+ 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;
+
+ c = (p_dev) ? p_dev->function_config : NULL;
+
+ if ((c != NULL) && (c->state & CONFIG_LOCKED) &&
+ (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) {
+ u_char reg;
+ if (c->CardValues & PRESENT_PIN_REPLACE) {
+ pcmcia_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->CardValues & PRESENT_EXT_STATUS) {
+ pcmcia_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;
+} /* pccard_get_status */
+
/*======================================================================
These manage a ring buffer of events pending for one user process
* by userspace before, we need to
* return the "instance". */
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
- bind_info->instance = p_dev->instance;
+ bind_info->instance = p_dev;
ret = -EBUSY;
goto err_put_module;
} else {
/*
* Prevent this racing with a card insertion.
*/
- down(&s->skt_sem);
- bus_rescan_devices(&pcmcia_bus_type);
- up(&s->skt_sem);
+ mutex_lock(&s->skt_mutex);
+ ret = bus_rescan_devices(&pcmcia_bus_type);
+ mutex_unlock(&s->skt_mutex);
+ if (ret)
+ goto err_put_module;
/* check whether the driver indeed matched. I don't care if this
* is racy or not, because it can only happen on cardmgr access
{
dev_node_t *node;
struct pcmcia_device *p_dev;
+ struct pcmcia_driver *p_drv;
unsigned long flags;
int ret = 0;
found:
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
- if ((!p_dev->instance) ||
- (p_dev->instance->state & DEV_CONFIG_PENDING)) {
+ p_drv = to_pcmcia_drv(p_dev->dev.driver);
+ if (p_drv && !p_dev->_locked) {
ret = -EAGAIN;
goto err_put;
}
if (first)
- node = p_dev->instance->dev;
+ node = p_dev->dev_node;
else
- for (node = p_dev->instance->dev; node; node = node->next)
+ for (node = p_dev->dev_node; node; node = node->next)
if (node == bind_info->next)
break;
if (!node) {
struct pcmcia_socket *s;
user_info_t *user;
static int warning_printed = 0;
+ int ret = 0;
ds_dbg(0, "ds_open(socket %d)\n", i);
+ lock_kernel();
s = pcmcia_get_socket_by_nr(i);
- if (!s)
- return -ENODEV;
+ if (!s) {
+ ret = -ENODEV;
+ goto out;
+ }
s = pcmcia_get_socket(s);
- if (!s)
- return -ENODEV;
+ if (!s) {
+ ret = -ENODEV;
+ goto out;
+ }
if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
if (s->pcmcia_state.busy) {
pcmcia_put_socket(s);
- return -EBUSY;
+ ret = -EBUSY;
+ goto out;
}
else
s->pcmcia_state.busy = 1;
user = kmalloc(sizeof(user_info_t), GFP_KERNEL);
if (!user) {
pcmcia_put_socket(s);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out;
}
user->event_tail = user->event_head = 0;
user->next = s->user;
if (!warning_printed) {
printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl "
- "usage.\n");
+ "usage from process: %s.\n", current->comm);
printk(KERN_INFO "pcmcia: This interface will soon be removed from "
"the kernel; please expect breakage unless you upgrade "
"to new tools.\n");
if (s->pcmcia_state.present)
queue_event(user, CS_EVENT_CARD_INSERTION);
- return 0;
+out:
+ unlock_kernel();
+ return ret;
} /* ds_open */
/*====================================================================*/
user_info_t *user;
int ret;
- ds_dbg(2, "ds_read(socket %d)\n", iminor(file->f_dentry->d_inode));
+ ds_dbg(2, "ds_read(socket %d)\n", iminor(file->f_path.dentry->d_inode));
if (count < 4)
return -EINVAL;
static ssize_t ds_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
- ds_dbg(2, "ds_write(socket %d)\n", iminor(file->f_dentry->d_inode));
+ ds_dbg(2, "ds_write(socket %d)\n", iminor(file->f_path.dentry->d_inode));
if (count != 4)
return -EINVAL;
struct pcmcia_socket *s;
user_info_t *user;
- ds_dbg(2, "ds_poll(socket %d)\n", iminor(file->f_dentry->d_inode));
+ ds_dbg(2, "ds_poll(socket %d)\n", iminor(file->f_path.dentry->d_inode));
user = file->private_data;
if (CHECK_USER(user))
/*====================================================================*/
-extern int pcmcia_adjust_resource_info(adjust_t *adj);
-
static int ds_ioctl(struct inode * inode, struct file * file,
u_int cmd, u_long arg)
{
err = ret = 0;
- if (cmd & IOC_IN) __copy_from_user((char *)buf, uarg, size);
+ if (cmd & IOC_IN) {
+ if (__copy_from_user((char *)buf, uarg, size)) {
+ err = -EFAULT;
+ goto free_out;
+ }
+ }
switch (cmd) {
case DS_ADJUST_RESOURCE_INFO:
}
break;
case DS_GET_FIRST_TUPLE:
- down(&s->skt_sem);
+ mutex_lock(&s->skt_mutex);
pcmcia_validate_mem(s);
- up(&s->skt_sem);
+ mutex_unlock(&s->skt_mutex);
ret = pccard_get_first_tuple(s, BIND_FN_ALL, &buf->tuple);
break;
case DS_GET_NEXT_TUPLE:
}
break;
case DS_VALIDATE_CIS:
- down(&s->skt_sem);
+ mutex_lock(&s->skt_mutex);
pcmcia_validate_mem(s);
- up(&s->skt_sem);
- ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo);
+ mutex_unlock(&s->skt_mutex);
+ ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo.Chains);
break;
case DS_SUSPEND_CARD:
ret = pcmcia_suspend_card(s);
if (!(buf->conf_reg.Function &&
(buf->conf_reg.Function >= s->functions))) {
struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function);
- if (p_dev)
+ if (p_dev) {
ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg);
- pcmcia_put_dev(p_dev);
+ pcmcia_put_dev(p_dev);
+ }
}
break;
case DS_GET_FIRST_REGION:
/*====================================================================*/
-static struct file_operations ds_fops = {
+static const struct file_operations ds_fops = {
.owner = THIS_MODULE,
.open = ds_open,
.release = ds_release,
major_dev = i;
#ifdef CONFIG_PROC_FS
- proc_pccard = proc_mkdir("pccard", proc_bus);
+ proc_pccard = proc_mkdir("bus/pccard", NULL);
if (proc_pccard)
create_proc_read_entry("drivers",0,proc_pccard,proc_read_drivers,NULL);
#endif
#ifdef CONFIG_PROC_FS
if (proc_pccard) {
remove_proc_entry("drivers", proc_pccard);
- remove_proc_entry("pccard", proc_bus);
+ remove_proc_entry("bus/pccard", NULL);
}
#endif
if (major_dev != -1)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff