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1 | /* |
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 | ||
100e9186 RD |
12 | #ifndef LINUX_MMC_SD_H |
13 | #define LINUX_MMC_SD_H | |
da7fbe58 PO |
14 | |
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 */ | |
f2119df6 | 20 | #define SD_SWITCH_VOLTAGE 11 /* ac R1 */ |
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21 | |
22 | /* class 10 */ | |
23 | #define SD_SWITCH 6 /* adtc [31:0] See below R1 */ | |
24 | ||
dfe86cba AH |
25 | /* 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 | ||
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29 | /* Application commands */ |
30 | #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ | |
dfe86cba | 31 | #define SD_APP_SD_STATUS 13 /* adtc R1 */ |
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32 | #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 | ||
f2119df6 AN |
36 | /* 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 | ||
da7fbe58 PO |
42 | /* |
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 */ | |
f0d89972 | 69 | #define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */ |
da7fbe58 PO |
70 | |
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 | ||
100e9186 | 94 | #endif /* LINUX_MMC_SD_H */ |