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path: root/drivers/pcmcia/socket_sysfs.c
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Diffstat (limited to 'drivers/pcmcia/socket_sysfs.c')
-rw-r--r--drivers/pcmcia/socket_sysfs.c228
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 00000000000..8eed0393821
--- /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),
+};