blob: 1ebcf9ba1256a0e9cdaeb5efdee1adb747723bc4 [file] [log] [blame]
Pierre Ossmanda7fbe52006-12-24 22:46:55 +01001/*
2 * include/linux/mmc/sd.h
3 *
4 * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
10 */
11
Robert P. J. Day100e9182011-05-27 16:04:03 -040012#ifndef LINUX_MMC_SD_H
13#define LINUX_MMC_SD_H
Pierre Ossmanda7fbe52006-12-24 22:46:55 +010014
15/* SD commands type argument response */
16 /* class 0 */
17/* This is basically the same command as for MMC with some quirks. */
18#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */
19#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */
Arindam Nathf2119df2011-05-05 12:18:57 +053020#define SD_SWITCH_VOLTAGE 11 /* ac R1 */
Pierre Ossmanda7fbe52006-12-24 22:46:55 +010021
22 /* class 10 */
23#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
24
Adrian Hunterdfe86cb2010-08-11 14:17:46 -070025 /* class 5 */
26#define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */
27#define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */
28
Pierre Ossmanda7fbe52006-12-24 22:46:55 +010029 /* Application commands */
30#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
Adrian Hunterdfe86cb2010-08-11 14:17:46 -070031#define SD_APP_SD_STATUS 13 /* adtc R1 */
Pierre Ossmanda7fbe52006-12-24 22:46:55 +010032#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
33#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
34#define SD_APP_SEND_SCR 51 /* adtc R1 */
35
Arindam Nathf2119df2011-05-05 12:18:57 +053036/* OCR bit definitions */
37#define SD_OCR_S18R (1 << 24) /* 1.8V switching request */
38#define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */
39#define SD_OCR_XPC (1 << 28) /* SDXC power control */
40#define SD_OCR_CCS (1 << 30) /* Card Capacity Status */
41
Pierre Ossmanda7fbe52006-12-24 22:46:55 +010042/*
43 * SD_SWITCH argument format:
44 *
45 * [31] Check (0) or switch (1)
46 * [30:24] Reserved (0)
47 * [23:20] Function group 6
48 * [19:16] Function group 5
49 * [15:12] Function group 4
50 * [11:8] Function group 3
51 * [7:4] Function group 2
52 * [3:0] Function group 1
53 */
54
55/*
56 * SD_SEND_IF_COND argument format:
57 *
58 * [31:12] Reserved (0)
59 * [11:8] Host Voltage Supply Flags
60 * [7:0] Check Pattern (0xAA)
61 */
62
63/*
64 * SCR field definitions
65 */
66
67#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
68#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
Andrei Warkentinf0d89972011-05-23 15:06:38 -050069#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */
Pierre Ossmanda7fbe52006-12-24 22:46:55 +010070
71/*
72 * SD bus widths
73 */
74#define SD_BUS_WIDTH_1 0
75#define SD_BUS_WIDTH_4 2
76
77/*
78 * SD_SWITCH mode
79 */
80#define SD_SWITCH_CHECK 0
81#define SD_SWITCH_SET 1
82
83/*
84 * SD_SWITCH function groups
85 */
86#define SD_SWITCH_GRP_ACCESS 0
87
88/*
89 * SD_SWITCH access modes
90 */
91#define SD_SWITCH_ACCESS_DEF 0
92#define SD_SWITCH_ACCESS_HS 1
93
Robert P. J. Day100e9182011-05-27 16:04:03 -040094#endif /* LINUX_MMC_SD_H */