linux-imx

/*

 *  tifm_core.c - TI FlashMedia driver

 *

 *  Copyright (C) 2006 Alex Dubov <oakad@yahoo.com>

 *

 * 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.

 *

 */

​

#include <linux/tifm.h>

#include <linux/slab.h>

#include <linux/init.h>

#include <linux/idr.h>

#include <linux/module.h>

​

#define DRIVER_NAME "tifm_core"

#define DRIVER_VERSION "0.8"

​

static struct workqueue_struct *workqueue;

static DEFINE_IDR(tifm_adapter_idr);

static DEFINE_SPINLOCK(tifm_adapter_lock);

​

static const char *tifm_media_type_name(unsigned char type, unsigned char nt)

{

    const char *card_type_name[3][3] = {

        { "SmartMedia/xD", "MemoryStick", "MMC/SD" },

        { "XD", "MS", "SD"},

        { "xd", "ms", "sd"}

    };

​

    if (nt > 2 || type < 1 || type > 3)

        return NULL;

    return card_type_name[nt][type - 1];

}

​

static int tifm_dev_match(struct tifm_dev *sock, struct tifm_device_id *id)

{

    if (sock->type == id->type)

        return 1;

    return 0;

}

​

static int tifm_bus_match(struct device *dev, struct device_driver *drv)

{

    struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);

    struct tifm_driver *fm_drv = container_of(drv, struct tifm_driver,

                          driver);

    struct tifm_device_id *ids = fm_drv->id_table;

​

    if (ids) {

        while (ids->type) {

            if (tifm_dev_match(sock, ids))

                return 1;

            ++ids;

        }

    }

    return 0;

}

​

static int tifm_uevent(struct device *dev, struct kobj_uevent_env *env)

{