include/linux/mg_disk.h

   1 /*
   2  *  include/linux/mg_disk.c
   3  *
   4  *  Private data for mflash platform driver
   5  *
   6  * (c) 2008 mGine Co.,LTD
   7  * (c) 2008 unsik Kim <donari75@gmail.com>
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License version 2 as
  11  *  published by the Free Software Foundation.
  12  */
  13
  14 #ifndef __MG_DISK_H__
  15 #define __MG_DISK_H__
  16
  17 /* name for platform device */
  18 #define MG_DEV_NAME "mg_disk"
  19
  20 /* names of GPIO resource */
  21 #define MG_RST_PIN      "mg_rst"
  22 /* except MG_BOOT_DEV, reset-out pin should be assigned */
  23 #define MG_RSTOUT_PIN   "mg_rstout"
  24
  25 /* device attribution */
  26 /* use mflash as boot device */
  27 #define MG_BOOT_DEV             (1 << 0)
  28 /* use mflash as storage device */
  29 #define MG_STORAGE_DEV          (1 << 1)
  30 /* same as MG_STORAGE_DEV, but bootloader already done reset sequence */
  31 #define MG_STORAGE_DEV_SKIP_RST (1 << 2)
  32
  33 /* private driver data */
  34 struct mg_drv_data {
  35         /* disk resource */
  36         u32 use_polling;
  37
  38         /* device attribution */
  39         u32 dev_attr;
  40
  41         /* internally used */
  42         void *host;
  43 };
  44
  45 #endif