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_MULTIDRIVE or not */
  27
  28 #define SD_BLOCK_SIZE 512 /* XXX : support other sizes ? */
  29
  30 struct storage_info;
  31
  32 void sd_enable(bool on);
  33 void sd_spindown(int seconds);
  34 void sd_sleep(void);
  35 void sd_sleepnow(void);
  36 bool sd_disk_is_active(void);
  37 int  sd_soft_reset(void);
  38 int  sd_init(void);
  39 void sd_close(void);
  40 int  sd_read_sectors(IF_MD2(int drive,) unsigned long start, int count, void* buf);
  41 int  sd_write_sectors(IF_MD2(int drive,) unsigned long start, int count, const void* buf);
  42 void sd_spin(void);
  43 int  sd_spinup_time(void); /* ticks */
  44
  45 #ifdef STORAGE_GET_INFO
  46 void sd_get_info(IF_MD2(int drive,) struct storage_info *info);
  47 #endif
  48 #ifdef HAVE_HOTSWAP
  49 bool sd_removable(IF_MV_NONVOID(int drive));
  50 bool sd_present(IF_MV_NONVOID(int drive));
  51 void card_enable_monitoring_target(bool on);
  52 #endif
  53
  54 bool card_detect_target(void);
  55
  56 long sd_last_disk_activity(void);
  57
  58 #ifdef CONFIG_STORAGE_MULTI
  59 int sd_num_drives(int first_drive);
  60 #endif
  61
  62
  63 /* SD States */
  64 #define SD_IDLE             0
  65 #define SD_READY            1
  66 #define SD_IDENT            2
  67 #define SD_STBY             3
  68 #define SD_TRAN             4
  69 #define SD_DATA             5
  70 #define SD_RCV              6
  71 #define SD_PRG              7
  72 #define SD_DIS              8
  73
  74 /* SD Commands */
  75 #define SD_GO_IDLE_STATE         0
  76 #define SD_ALL_SEND_CID          2
  77 #define SD_SEND_RELATIVE_ADDR    3
  78 #define SD_SET_DSR               4
  79 #define SD_SWITCH_FUNC           6
  80 #define SD_SET_BUS_WIDTH         6  /* acmd6 */
  81 #define SD_SELECT_CARD           7
  82 #define SD_DESELECT_CARD         7
  83 #define SD_SEND_IF_COND          8
  84 #define SD_SEND_CSD              9
  85 #define SD_SEND_CID             10
  86 #define SD_STOP_TRANSMISSION    12
  87 #define SD_SEND_STATUS          13
  88 #define SD_GO_INACTIVE_STATE    15
  89 #define SD_SET_BLOCKLEN         16
  90 #define SD_READ_SINGLE_BLOCK    17
  91 #define SD_READ_MULTIPLE_BLOCK  18
  92 #define SD_SEND_NUM_WR_BLOCKS   22
  93 #define SD_WRITE_BLOCK          24
  94 #define SD_WRITE_MULTIPLE_BLOCK 25
  95 #define SD_ERASE_WR_BLK_START   32
  96 #define SD_ERASE_WR_BLK_END     33
  97 #define SD_ERASE                38
  98 #define SD_APP_OP_COND          41
  99 #define SD_LOCK_UNLOCK          42
 100 #define SD_SEND_SCR             51  /* acmd51 */
 101 #define SD_APP_CMD              55
 102
 103 #endif