1 files changed, 228 insertions, 0 deletions

diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
new file mode 100644
index 000000000000..8eed03938214
--- /dev/null
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -0,0 +1,228 @@
+/*
+ * socket_sysfs.c -- most of socket-related sysfs output
+ *
+ * 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.
+ *
+ * (C) 2003 - 2004              Dominik Brodowski
+ */
+
+#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/slab.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/pci.h>
+#include <linux/device.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"
+
+#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
+
+static ssize_t pccard_show_type(struct class_device *dev, 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)
+                return sprintf(buf, "32-bit\n");
+        if (val & SS_DETECT)
+                return sprintf(buf, "16-bit\n");
+        return sprintf(buf, "invalid\n");
+}
+static CLASS_DEVICE_ATTR(card_type, 0400, pccard_show_type, NULL);
+
+static ssize_t pccard_show_voltage(struct class_device *dev, 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");
+}
+static CLASS_DEVICE_ATTR(card_voltage, 0400, pccard_show_voltage, NULL);
+
+static ssize_t pccard_show_vpp(struct class_device *dev, 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 ssize_t pccard_show_vcc(struct class_device *dev, 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 ssize_t pccard_store_insert(struct class_device *dev, const char *buf, size_t count)
+{
+        ssize_t ret;
+        struct pcmcia_socket *s = to_socket(dev);
+
+        if (!count)
+                return -EINVAL;
+
+        ret = pcmcia_insert_card(s);
+
+        return ret ? ret : count;
+}
+static CLASS_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)
+{
+        ssize_t ret;
+        struct pcmcia_socket *s = to_socket(dev);
+
+        if (!count)
+                return -EINVAL;
+
+        ret = pcmcia_eject_card(s);
+
+        return ret ? ret : count;
+}
+static CLASS_DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
+
+
+static ssize_t pccard_show_irq_mask(struct class_device *dev, 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)
+{
+        ssize_t ret;
+        struct pcmcia_socket *s = to_socket(dev);
+        u32 mask;
+
+        if (!count)
+                return -EINVAL;
+
+        ret = sscanf (buf, "0x%x\n", &mask);
+
+        if (ret == 1) {
+                s->irq_mask &= mask;
+                ret = 0;
+        }
+
+        return ret ? ret : count;
+}
+static CLASS_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)
+{
+        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)
+{
+        unsigned long flags;
+        struct pcmcia_socket *s = to_socket(dev);
+
+        if (!count)
+                return -EINVAL;
+
+        spin_lock_irqsave(&s->lock, flags);
+        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);
+                        }
+                }
+                up(&s->skt_sem);
+
+                return count;
+        }
+        spin_unlock_irqrestore(&s->lock, flags);
+
+        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,
+        NULL,
+};
+
+static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev)
+{
+        struct class_device_attribute **attr;
+        int ret = 0;
+
+        for (attr = pccard_socket_attributes; *attr; attr++) {
+                ret = class_device_create_file(class_dev, *attr);
+                if (ret)
+                        break;
+        }
+
+        return ret;
+}
+
+static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev)
+{
+        struct class_device_attribute **attr;
+
+        for (attr = pccard_socket_attributes; *attr; attr++)
+                class_device_remove_file(class_dev, *attr);
+}
+
+struct class_interface pccard_sysfs_interface = {
+        .class = &pcmcia_socket_class,
+        .add = &pccard_sysfs_add_socket,
+        .remove = __devexit_p(&pccard_sysfs_remove_socket),
+};