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/*
* 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),
};
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