linux-imx

/*

 * 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/string.h>

#include <linux/major.h>

#include <linux/errno.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/device.h>

#include <linux/mutex.h>

#include <asm/irq.h>

​

#include <pcmcia/ss.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 device *dev, struct device_attribute *attr,

                char *buf)

{

    struct pcmcia_socket *s = to_socket(dev);

​

    if (!(s->state & SOCKET_PRESENT))

        return -ENODEV;

    if (s->state & SOCKET_CARDBUS)

        return sprintf(buf, "32-bit\n");

    return sprintf(buf, "16-bit\n");

}

static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);

​

static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr,

                   char *buf)

{

    struct pcmcia_socket *s = to_socket(dev);

​

    if (!(s->state & SOCKET_PRESENT))

        return -ENODEV;

    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 DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);

​

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 DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);

​

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 DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);

​

​

static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr,

                   const char *buf, size_t count)

{

    struct pcmcia_socket *s = to_socket(dev);

​

    if (!count)

        return -EINVAL;

​

    pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);