firmware/export/sd.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Alan Korr
  11  * Copyright (C) 2008 by Frank Gevaerts
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22 #ifndef __SD_H__
  23 #define __SD_H__
  24
  25 #include <stdbool.h>
  26 #include "mv.h" /* for HAVE_MULTIVOLUME or not */
  27
  28 struct storage_info;
  29
  30 void sd_enable(bool on);
  31 void sd_spindown(int seconds);
  32 void sd_sleep(void);
  33 bool sd_disk_is_active(void);
  34 int sd_soft_reset(void);
  35 int sd_init(void);
  36 void sd_close(void);
  37 int sd_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf);
  38 int sd_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf);
  39 void sd_spin(void);
  40
  41 #ifdef STORAGE_GET_INFO
  42 void sd_get_info(IF_MV2(int drive,) struct storage_info *info);
  43 #endif
  44 #ifdef HAVE_HOTSWAP
  45 bool sd_removable(IF_MV_NONVOID(int drive));
  46 bool sd_present(IF_MV_NONVOID(int drive));
  47 #endif
  48
  49 long sd_last_disk_activity(void);
  50
  51 /* SD States */
  52 #define SD_IDLE             0
  53 #define SD_READY            1
  54 #define SD_IDENT            2
  55 #define SD_STBY             3
  56 #define SD_TRAN             4
  57 #define SD_DATA             5
  58 #define SD_RCV              6
  59 #define SD_PRG              7
  60 #define SD_DIS              8
  61
  62 /* SD Commands */
  63 #define SD_GO_IDLE_STATE         0
  64 #define SD_ALL_SEND_CID          2
  65 #define SD_SEND_RELATIVE_ADDR    3
  66 #define SD_SET_DSR               4
  67 #define SD_SWITCH_FUNC           6
  68 #define SD_SELECT_CARD           7
  69 #define SD_DESELECT_CARD         7
  70 #define SD_SEND_IF_COND          8
  71 #define SD_SEND_CSD              9
  72 #define SD_SEND_CID             10
  73 #define SD_STOP_TRANSMISSION    12
  74 #define SD_SEND_STATUS          13
  75 #define SD_GO_INACTIVE_STATE    15
  76 #define SD_SET_BLOCKLEN         16
  77 #define SD_READ_SINGLE_BLOCK    17
  78 #define SD_READ_MULTIPLE_BLOCK  18
  79 #define SD_SEND_NUM_WR_BLOCKS   22
  80 #define SD_WRITE_BLOCK          24
  81 #define SD_WRITE_MULTIPLE_BLOCK 25
  82 #define SD_ERASE_WR_BLK_START   32
  83 #define SD_ERASE_WR_BLK_END     33
  84 #define SD_ERASE                38
  85 #define SD_APP_CMD              55
  86
  87 /* Application Specific commands */
  88 #define SD_SET_BUS_WIDTH    6
  89 #define SD_APP_OP_COND      41
  90
  91 #endif