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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-05 00:44:34 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-05 00:44:34 -0400
commit62ea6d80211ecc88ef516927ecebf64cb505be3f (patch)
tree1920de8cd3671aedcc912afb8e5ddb2a7c674b05 /include/linux/mmc/sd.h
parentfa24aa561a3cf91cf25b5d4066470b08a2d24206 (diff)
parentd3af5abe9a809becbe4b413144b607844560d445 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (46 commits) mmc-omap: Clean up omap set_ios and make MMC_POWER_ON work mmc-omap: Fix omap to use MMC_POWER_ON mmc-omap: add missing '\n' mmc: make tifm_sd_set_dma_data() static mmc: remove old card states mmc: support unsafe resume of cards mmc: separate out reading EXT_CSD mmc: break apart switch function MMC: Fix handling of low-voltage cards MMC: Consolidate voltage definitions mmc: add bus handler wbsd: check for data opcode earlier mmc: Separate out protocol ops mmc: Move core functions to subdir mmc: deprecate mmc bus topology mmc: remove card upon suspend mmc: allow suspended block driver to be removed mmc: Flush pending detects on host removal mmc: Move host and card drivers to subdirs mmc: Move queue functions to mmc_block ...
Diffstat (limited to 'include/linux/mmc/sd.h')
-rw-r--r--include/linux/mmc/sd.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
new file mode 100644
index 000000000000..f310062cffb4
--- /dev/null
+++ b/include/linux/mmc/sd.h
@@ -0,0 +1,83 @@
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
12#ifndef MMC_SD_H
13#define MMC_SD_H
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 */
20
21 /* class 10 */
22#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
23
24 /* Application commands */
25#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
26#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
27#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
28#define SD_APP_SEND_SCR 51 /* adtc R1 */
29
30/*
31 * SD_SWITCH argument format:
32 *
33 * [31] Check (0) or switch (1)
34 * [30:24] Reserved (0)
35 * [23:20] Function group 6
36 * [19:16] Function group 5
37 * [15:12] Function group 4
38 * [11:8] Function group 3
39 * [7:4] Function group 2
40 * [3:0] Function group 1
41 */
42
43/*
44 * SD_SEND_IF_COND argument format:
45 *
46 * [31:12] Reserved (0)
47 * [11:8] Host Voltage Supply Flags
48 * [7:0] Check Pattern (0xAA)
49 */
50
51/*
52 * SCR field definitions
53 */
54
55#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
56#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
57#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */
58
59/*
60 * SD bus widths
61 */
62#define SD_BUS_WIDTH_1 0
63#define SD_BUS_WIDTH_4 2
64
65/*
66 * SD_SWITCH mode
67 */
68#define SD_SWITCH_CHECK 0
69#define SD_SWITCH_SET 1
70
71/*
72 * SD_SWITCH function groups
73 */
74#define SD_SWITCH_GRP_ACCESS 0
75
76/*
77 * SD_SWITCH access modes
78 */
79#define SD_SWITCH_ACCESS_DEF 0
80#define SD_SWITCH_ACCESS_HS 1
81
82#endif
83