firmware/export/mmc.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 __MMC_H__
  23 #define __MMC_H__
  24
  25 #include <stdbool.h>
  26 #include "config.h"
  27 #include "mv.h" /* for HAVE_MULTIDRIVE or not */
  28
  29 struct storage_info;
  30
  31 void mmc_enable(bool on);
  32 void mmc_spindown(int seconds);
  33 void mmc_sleep(void);
  34 void mmc_sleepnow(void);
  35 bool mmc_disk_is_active(void);
  36 int mmc_soft_reset(void);
  37 int mmc_init(void) STORAGE_INIT_ATTR;
  38 void mmc_close(void);
  39 int mmc_read_sectors(IF_MD2(int drive,) unsigned long start, int count, void* buf);
  40 int mmc_write_sectors(IF_MD2(int drive,) unsigned long start, int count, const void* buf);
  41 void mmc_spin(void);
  42 int mmc_spinup_time(void);
  43
  44 #ifdef STORAGE_GET_INFO
  45 void mmc_get_info(IF_MD2(int drive,) struct storage_info *info);
  46 #endif
  47 #ifdef HAVE_HOTSWAP
  48 bool mmc_removable(IF_MD_NONVOID(int drive));
  49 bool mmc_present(IF_MD_NONVOID(int drive));
  50 #endif
  51
  52 long mmc_last_disk_activity(void);
  53
  54 #ifdef CONFIG_STORAGE_MULTI
  55 int mmc_num_drives(int first_drive);
  56 #endif
  57
  58 /* MMC States */
  59 #define MMC_IDLE            0
  60 #define MMC_READY           1
  61 #define MMC_IDENT           2
  62 #define MMC_STBY            3
  63 #define MMC_TRAN            4
  64 #define MMC_DATA            5
  65 #define MMC_RCV             6
  66 #define MMC_PRG             7
  67 #define MMC_DIS             8
  68 #define MMC_BTST            9
  69
  70 /* MMC Commands */
  71 #define MMC_GO_IDLE_STATE           0
  72 #define MMC_SEND_OP_COND            1
  73 #define MMC_ALL_SEND_CID            2
  74 #define MMC_SET_RELATIVE_ADDR       3
  75 #define MMC_SET_DSR                 4
  76 #define MMC_SWITCH                  6
  77 #define MMC_SELECT_CARD             7  /* with card's rca  */
  78 #define MMC_DESELECT_CARD           7  /* with rca = 0  */
  79 #define MMC_SEND_EXT_CSD            8
  80 #define MMC_SEND_CSD                9
  81 #define MMC_SEND_CID                10
  82 #define MMC_READ_DAT_UNTIL_STOP     11
  83 #define MMC_STOP_TRANSMISSION       12
  84 #define MMC_SEND_STATUS             13
  85 #define MMC_BUSTEST_R               14
  86 #define MMC_GO_INACTIVE_STATE       15
  87 #define MMC_SET_BLOCKLEN            16
  88 #define MMC_READ_SINGLE_BLOCK       17
  89 #define MMC_READ_MULTIPLE_BLOCK     18
  90 #define MMC_BUSTEST_W               19
  91 #define MMC_WRITE_DAT_UNTIL_STOP    20
  92 #define MMC_SET_BLOCK_COUNT         23
  93 #define MMC_WRITE_BLOCK             24
  94 #define MMC_WRITE_MULTIPLE_BLOCK    25
  95 #define MMC_PROGRAM_CID             26
  96 #define MMC_PROGRAM_CSD             27
  97 #define MMC_SET_WRITE_PROT          28
  98 #define MMC_CLR_WRITE_PROT          29
  99 #define MMC_SEND_WRITE_PROT         30
 100 #define MMC_ERASE_GROUP_START       35
 101 #define MMC_ERASE_GROUP_END         36
 102 #define MMC_ERASE                   38
 103 #define MMC_FAST_IO                 39
 104 #define MMC_GO_IRQ_STATE            40
 105 #define MMC_LOCK_UNLOCK             42
 106 #define MMC_APP_CMD                 55
 107 #define MMC_GEN_CMD                 56
 108
 109 #endif