linux-imx

/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (c) 2005 Silicon Graphics, Inc.  All rights reserved.

 */

​

/*

 *  MOATB Core Services driver.

 */

​

#include <linux/interrupt.h>

#include <linux/module.h>

#include <linux/moduleparam.h>

#include <linux/types.h>

#include <linux/ioport.h>

#include <linux/kernel.h>

#include <linux/notifier.h>

#include <linux/reboot.h>

#include <linux/init.h>

#include <linux/fs.h>

#include <linux/delay.h>

#include <linux/device.h>

#include <linux/mm.h>

#include <linux/uio.h>

#include <linux/mutex.h>

#include <linux/slab.h>

#include <linux/pagemap.h>

#include <asm/io.h>

#include <linux/uaccess.h>

#include <asm/pgtable.h>

#include <asm/sn/addrs.h>

#include <asm/sn/intr.h>

#include <asm/sn/tiocx.h>

#include "mbcs.h"

​

#define MBCS_DEBUG 0

#if MBCS_DEBUG

#define DBG(fmt...)    printk(KERN_ALERT fmt)

#else

#define DBG(fmt...)

#endif

static DEFINE_MUTEX(mbcs_mutex);

static int mbcs_major;

​

static LIST_HEAD(soft_list);

​

/*

 * file operations

 */

static const struct file_operations mbcs_ops = {

    .owner = THIS_MODULE,

    .open = mbcs_open,

    .llseek = mbcs_sram_llseek,

    .read = mbcs_sram_read,

    .write = mbcs_sram_write,

    .mmap = mbcs_gscr_mmap,

};

​

struct mbcs_callback_arg {

    int minor;

    struct cx_dev *cx_dev;