Merge branch 'origin' into for-linus
[safe/jmp/linux-2.6] / drivers / pcmcia / socket_sysfs.c
index 8eed039..ff9a3bb 100644 (file)
@@ -12,7 +12,6 @@
 #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/ioport.h>
 #include <linux/delay.h>
 #include <linux/pm.h>
-#include <linux/pci.h>
 #include <linux/device.h>
+#include <linux/mutex.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>
 
 #define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
 
-static ssize_t pccard_show_type(struct class_device *dev, char *buf)
+static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr,
+                               char *buf)
 {
-       int val;
        struct pcmcia_socket *s = to_socket(dev);
 
        if (!(s->state & SOCKET_PRESENT))
                return -ENODEV;
-       s->ops->get_status(s, &val);
-       if (val & SS_CARDBUS)
+       if (s->state & SOCKET_CARDBUS)
                return sprintf(buf, "32-bit\n");
-       if (val & SS_DETECT)
-               return sprintf(buf, "16-bit\n");
-       return sprintf(buf, "invalid\n");
+       return sprintf(buf, "16-bit\n");
 }
-static CLASS_DEVICE_ATTR(card_type, 0400, pccard_show_type, NULL);
+static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);
 
-static ssize_t pccard_show_voltage(struct class_device *dev, char *buf)
+static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr,
+                                  char *buf)
 {
-       int val;
        struct pcmcia_socket *s = to_socket(dev);
 
        if (!(s->state & SOCKET_PRESENT))
                return -ENODEV;
-       s->ops->get_status(s, &val);
-       if (val & SS_3VCARD)
-               return sprintf(buf, "3.3V\n");
-       if (val & SS_XVCARD)
-               return sprintf(buf, "X.XV\n");
-       return sprintf(buf, "5.0V\n");
+       if (s->socket.Vcc)
+               return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10,
+                              s->socket.Vcc % 10);
+       return sprintf(buf, "X.XV\n");
 }
-static CLASS_DEVICE_ATTR(card_voltage, 0400, pccard_show_voltage, NULL);
+static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);
 
-static ssize_t pccard_show_vpp(struct class_device *dev, char *buf)
+static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr,
+                              char *buf)
 {
        struct pcmcia_socket *s = to_socket(dev);
        if (!(s->state & SOCKET_PRESENT))
                return -ENODEV;
        return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
 }
-static CLASS_DEVICE_ATTR(card_vpp, 0400, pccard_show_vpp, NULL);
+static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);
 
-static ssize_t pccard_show_vcc(struct class_device *dev, char *buf)
+static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr,
+                              char *buf)
 {
        struct pcmcia_socket *s = to_socket(dev);
        if (!(s->state & SOCKET_PRESENT))
                return -ENODEV;
        return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
 }
-static CLASS_DEVICE_ATTR(card_vcc, 0400, pccard_show_vcc, NULL);
+static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
 
 
-static ssize_t pccard_store_insert(struct class_device *dev, const char *buf, size_t count)
+static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr,
+                                  const char *buf, size_t count)
 {
        ssize_t ret;
        struct pcmcia_socket *s = to_socket(dev);
@@ -104,9 +98,39 @@ static ssize_t pccard_store_insert(struct class_device *dev, const char *buf, si
 
        return ret ? ret : count;
 }
-static CLASS_DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
+static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
 
-static ssize_t pccard_store_eject(struct class_device *dev, const char *buf, size_t count)
+
+static ssize_t pccard_show_card_pm_state(struct device *dev,
+                                        struct device_attribute *attr,
+                                        char *buf)
+{
+       struct pcmcia_socket *s = to_socket(dev);
+       return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
+}
+
+static ssize_t pccard_store_card_pm_state(struct device *dev,
+                                         struct device_attribute *attr,
+                                         const char *buf, size_t count)
+{
+       ssize_t ret = -EINVAL;
+       struct pcmcia_socket *s = to_socket(dev);
+
+       if (!count)
+               return -EINVAL;
+
+       if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3))
+               ret = pcmcia_suspend_card(s);
+       else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2))
+               ret = pcmcia_resume_card(s);
+
+       return ret ? -ENODEV : count;
+}
+static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state);
+
+static ssize_t pccard_store_eject(struct device *dev,
+                                 struct device_attribute *attr,
+                                 const char *buf, size_t count)
 {
        ssize_t ret;
        struct pcmcia_socket *s = to_socket(dev);
@@ -118,16 +142,20 @@ static ssize_t pccard_store_eject(struct class_device *dev, const char *buf, siz
 
        return ret ? ret : count;
 }
-static CLASS_DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
+static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
 
 
-static ssize_t pccard_show_irq_mask(struct class_device *dev, char *buf)
+static ssize_t pccard_show_irq_mask(struct device *dev,
+                                   struct device_attribute *attr,
+                                   char *buf)
 {
        struct pcmcia_socket *s = to_socket(dev);
        return sprintf(buf, "0x%04x\n", s->irq_mask);
 }
 
-static ssize_t pccard_store_irq_mask(struct class_device *dev, const char *buf, size_t count)
+static ssize_t pccard_store_irq_mask(struct device *dev,
+                                    struct device_attribute *attr,
+                                    const char *buf, size_t count)
 {
        ssize_t ret;
        struct pcmcia_socket *s = to_socket(dev);
@@ -145,16 +173,19 @@ static ssize_t pccard_store_irq_mask(struct class_device *dev, const char *buf,
 
        return ret ? ret : count;
 }
-static CLASS_DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
+static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
 
 
-static ssize_t pccard_show_resource(struct class_device *dev, char *buf)
+static ssize_t pccard_show_resource(struct device *dev,
+                                   struct device_attribute *attr, char *buf)
 {
        struct pcmcia_socket *s = to_socket(dev);
        return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
 }
 
-static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, size_t count)
+static ssize_t pccard_store_resource(struct device *dev,
+                                    struct device_attribute *attr,
+                                    const char *buf, size_t count)
 {
        unsigned long flags;
        struct pcmcia_socket *s = to_socket(dev);
@@ -163,66 +194,196 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf,
                return -EINVAL;
 
        spin_lock_irqsave(&s->lock, flags);
-       if (!s->resource_setup_done) {
+       if (!s->resource_setup_done)
                s->resource_setup_done = 1;
-               spin_unlock_irqrestore(&s->lock, flags);
-
-               down(&s->skt_sem);
-               if ((s->callback) &&
-                   (s->state & SOCKET_PRESENT) &&
-                   !(s->state & SOCKET_CARDBUS)) {
-                       if (try_module_get(s->callback->owner)) {
-                               s->callback->resources_done(s);
-                               module_put(s->callback->owner);
+       spin_unlock_irqrestore(&s->lock, flags);
+
+       mutex_lock(&s->skt_mutex);
+       if ((s->callback) &&
+           (s->state & SOCKET_PRESENT) &&
+           !(s->state & SOCKET_CARDBUS)) {
+               if (try_module_get(s->callback->owner)) {
+                       s->callback->requery(s, 0);
+                       module_put(s->callback->owner);
+               }
+       }
+       mutex_unlock(&s->skt_mutex);
+
+       return count;
+}
+static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
+
+
+static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count)
+{
+       tuple_t tuple;
+       int status, i;
+       loff_t pointer = 0;
+       ssize_t ret = 0;
+       u_char *tuplebuffer;
+       u_char *tempbuffer;
+
+       tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
+       if (!tuplebuffer)
+               return -ENOMEM;
+
+       tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
+       if (!tempbuffer) {
+               ret = -ENOMEM;
+               goto free_tuple;
+       }
+
+       memset(&tuple, 0, sizeof(tuple_t));
+
+       tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON;
+       tuple.DesiredTuple = RETURN_FIRST_TUPLE;
+       tuple.TupleOffset = 0;
+
+       status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
+       while (!status) {
+               tuple.TupleData = tuplebuffer;
+               tuple.TupleDataMax = 255;
+               memset(tuplebuffer, 0, sizeof(u_char) * 255);
+
+               status = pccard_get_tuple_data(s, &tuple);
+               if (status)
+                       break;
+
+               if (off < (pointer + 2 + tuple.TupleDataLen)) {
+                       tempbuffer[0] = tuple.TupleCode & 0xff;
+                       tempbuffer[1] = tuple.TupleLink & 0xff;
+                       for (i = 0; i < tuple.TupleDataLen; i++)
+                               tempbuffer[i + 2] = tuplebuffer[i] & 0xff;
+
+                       for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
+                               if (((i + pointer) >= off) &&
+                                   (i + pointer) < (off + count)) {
+                                       buf[ret] = tempbuffer[i];
+                                       ret++;
+                               }
                        }
                }
-               up(&s->skt_sem);
 
-               return count;
+               pointer += 2 + tuple.TupleDataLen;
+
+               if (pointer >= (off + count))
+                       break;
+
+               if (tuple.TupleCode == CISTPL_END)
+                       break;
+               status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
        }
-       spin_unlock_irqrestore(&s->lock, flags);
+
+       kfree(tempbuffer);
+ free_tuple:
+       kfree(tuplebuffer);
+
+       return (ret);
+}
+
+static ssize_t pccard_show_cis(struct kobject *kobj,
+                              struct bin_attribute *bin_attr,
+                              char *buf, loff_t off, size_t count)
+{
+       unsigned int size = 0x200;
+
+       if (off >= size)
+               count = 0;
+       else {
+               struct pcmcia_socket *s;
+               unsigned int chains;
+
+               if (off + count > size)
+                       count = size - off;
+
+               s = to_socket(container_of(kobj, struct device, kobj));
+
+               if (!(s->state & SOCKET_PRESENT))
+                       return -ENODEV;
+               if (pccard_validate_cis(s, BIND_FN_ALL, &chains))
+                       return -EIO;
+               if (!chains)
+                       return -ENODATA;
+
+               count = pccard_extract_cis(s, buf, off, count);
+       }
+
+       return (count);
+}
+
+static ssize_t pccard_store_cis(struct kobject *kobj,
+                               struct bin_attribute *bin_attr,
+                               char *buf, loff_t off, size_t count)
+{
+       struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj));
+       int error;
+
+       if (off)
+               return -EINVAL;
+
+       if (count >= CISTPL_MAX_CIS_SIZE)
+               return -EINVAL;
+
+       if (!(s->state & SOCKET_PRESENT))
+               return -ENODEV;
+
+       error = pcmcia_replace_cis(s, buf, count);
+       if (error)
+               return -EIO;
+
+       mutex_lock(&s->skt_mutex);
+       if ((s->callback) && (s->state & SOCKET_PRESENT) &&
+           !(s->state & SOCKET_CARDBUS)) {
+               if (try_module_get(s->callback->owner)) {
+                       s->callback->requery(s, 1);
+                       module_put(s->callback->owner);
+               }
+       }
+       mutex_unlock(&s->skt_mutex);
 
        return count;
 }
-static CLASS_DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
 
 
-static struct class_device_attribute *pccard_socket_attributes[] = {
-       &class_device_attr_card_type,
-       &class_device_attr_card_voltage,
-       &class_device_attr_card_vpp,
-       &class_device_attr_card_vcc,
-       &class_device_attr_card_insert,
-       &class_device_attr_card_eject,
-       &class_device_attr_card_irq_mask,
-       &class_device_attr_available_resources_setup_done,
+static struct attribute *pccard_socket_attributes[] = {
+       &dev_attr_card_type.attr,
+       &dev_attr_card_voltage.attr,
+       &dev_attr_card_vpp.attr,
+       &dev_attr_card_vcc.attr,
+       &dev_attr_card_insert.attr,
+       &dev_attr_card_pm_state.attr,
+       &dev_attr_card_eject.attr,
+       &dev_attr_card_irq_mask.attr,
+       &dev_attr_available_resources_setup_done.attr,
        NULL,
 };
 
-static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev)
+static const struct attribute_group socket_attrs = {
+       .attrs = pccard_socket_attributes,
+};
+
+static struct bin_attribute pccard_cis_attr = {
+       .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR },
+       .size = 0x200,
+       .read = pccard_show_cis,
+       .write = pccard_store_cis,
+};
+
+int pccard_sysfs_add_socket(struct device *dev)
 {
-       struct class_device_attribute **attr;
        int ret = 0;
 
-       for (attr = pccard_socket_attributes; *attr; attr++) {
-               ret = class_device_create_file(class_dev, *attr);
+       ret = sysfs_create_group(&dev->kobj, &socket_attrs);
+       if (!ret) {
+               ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
                if (ret)
-                       break;
+                       sysfs_remove_group(&dev->kobj, &socket_attrs);
        }
-
        return ret;
 }
 
-static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev)
+void pccard_sysfs_remove_socket(struct device *dev)
 {
-       struct class_device_attribute **attr;
-
-       for (attr = pccard_socket_attributes; *attr; attr++)
-               class_device_remove_file(class_dev, *attr);
+       sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
+       sysfs_remove_group(&dev->kobj, &socket_attrs);
 }
-
-struct class_interface pccard_sysfs_interface = {
-       .class = &pcmcia_socket_class,
-       .add = &pccard_sysfs_add_socket,
-       .remove = __devexit_p(&pccard_sysfs_remove_socket),
-};