pcmcia: move pccard_get_configuration_info to ioctl
[safe/jmp/linux-2.6] / drivers / pcmcia / pcmcia_ioctl.c
index 27523c5..53dadc1 100644 (file)
 #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>
 
@@ -57,7 +58,7 @@ typedef struct user_info_t {
 } user_info_t;
 
 
-#ifdef DEBUG
+#ifdef CONFIG_PCMCIA_DEBUG
 extern int ds_pc_debug;
 
 #define ds_dbg(lvl, fmt, arg...) do {          \
@@ -138,6 +139,226 @@ static int proc_read_drivers(char *buf, char **start, off_t pos,
 }
 #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, &reg);
+                       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, &reg);
+                       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 */
+
+int pccard_get_configuration_info(struct pcmcia_socket *s,
+                                 struct pcmcia_device *p_dev,
+                                 config_info_t *config)
+{
+       config_t *c;
+
+       if (!(s->state & SOCKET_PRESENT))
+               return CS_NO_CARD;
+
+
+#ifdef CONFIG_CARDBUS
+       if (s->state & SOCKET_CARDBUS) {
+               memset(config, 0, sizeof(config_info_t));
+               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;
+                       if (s->io[0].res) {
+                               config->BasePort1 = s->io[0].res->start;
+                               config->NumPorts1 = s->io[0].res->end -
+                                       config->BasePort1 + 1;
+                       }
+               }
+               return CS_SUCCESS;
+       }
+#endif
+
+       if (p_dev) {
+               c = p_dev->function_config;
+               config->Function = p_dev->func;
+       } else {
+               c = NULL;
+               config->Function = 0;
+       }
+
+       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;
+       }
+
+       config->Attributes = c->Attributes | CONF_VALID_CLIENT;
+       config->Vcc = s->socket.Vcc;
+       config->Vpp1 = config->Vpp2 = s->socket.Vpp;
+       config->IntType = c->IntType;
+       config->ConfigBase = c->ConfigBase;
+       config->Status = c->Status;
+       config->Pin = c->Pin;
+       config->Copy = c->Copy;
+       config->Option = c->Option;
+       config->ExtStatus = c->ExtStatus;
+       config->Present = 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;
+} /* pccard_get_configuration_info */
+
+
 /*======================================================================
 
     These manage a ring buffer of events pending for one user process
@@ -397,20 +618,27 @@ static int ds_open(struct inode *inode, struct file *file)
     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;
@@ -419,7 +647,8 @@ static int ds_open(struct inode *inode, struct file *file)
     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;
@@ -441,7 +670,9 @@ static int ds_open(struct inode *inode, struct file *file)
 
     if (s->pcmcia_state.present)
        queue_event(user, CS_EVENT_CARD_INSERTION);
-    return 0;
+out:
+    unlock_kernel();
+    return ret;
 } /* ds_open */
 
 /*====================================================================*/
@@ -546,8 +777,6 @@ static u_int ds_poll(struct file *file, poll_table *wait)
 
 /*====================================================================*/
 
-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)
 {
@@ -649,7 +878,7 @@ static int ds_ioctl(struct inode * inode, struct file * file,
        mutex_lock(&s->skt_mutex);
        pcmcia_validate_mem(s);
        mutex_unlock(&s->skt_mutex);
-       ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo);
+       ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo.Chains);
        break;
     case DS_SUSPEND_CARD:
        ret = pcmcia_suspend_card(s);
@@ -710,7 +939,7 @@ static int ds_ioctl(struct inode * inode, struct file * file,
                           &buf->win_info.map);
        break;
     case DS_REPLACE_CIS:
-       ret = pcmcia_replace_cis(s, &buf->cisdump);
+       ret = pcmcia_replace_cis(s, buf->cisdump.Data, buf->cisdump.Length);
        break;
     case DS_BIND_REQUEST:
        if (!capable(CAP_SYS_ADMIN)) {
@@ -787,7 +1016,7 @@ void __init pcmcia_setup_ioctl(void) {
                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
@@ -798,7 +1027,7 @@ void __exit pcmcia_cleanup_ioctl(void) {
 #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)