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authorPierre Ossman <drzeus@drzeus.cx>2006-12-24 16:46:55 -0500
committerPierre Ossman <drzeus@drzeus.cx>2007-05-01 07:04:18 -0400
commitda7fbe58d2d347e95af699ddf04d885be6362bbe (patch)
tree560df47c41bb64ace46f82f9fa5e2fabc8bafbab /include
parentaaac1b470bd0dccb30912356617069dc6199cc80 (diff)
mmc: Separate out protocol ops
Move protocol operations and definitions into their own files in an effort to separate protocol handling and bus arbitration more clearly. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mmc/core.h2
-rw-r--r--include/linux/mmc/mmc.h (renamed from include/linux/mmc/protocol.h)54
-rw-r--r--include/linux/mmc/sd.h83
3 files changed, 86 insertions, 53 deletions
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index d8fd66cf28be..04bbe12fae8d 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -101,7 +101,7 @@ struct mmc_card;
101 101
102extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *); 102extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *);
103extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int); 103extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
104extern int mmc_wait_for_app_cmd(struct mmc_host *, unsigned int, 104extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
105 struct mmc_command *, int); 105 struct mmc_command *, int);
106 106
107extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int); 107extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int);
diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/mmc.h
index 3ca91a6fc23f..e3ed9b95040e 100644
--- a/include/linux/mmc/protocol.h
+++ b/include/linux/mmc/mmc.h
@@ -22,8 +22,8 @@
22 * 15 May 2002 22 * 15 May 2002
23 */ 23 */
24 24
25#ifndef MMC_MMC_PROTOCOL_H 25#ifndef MMC_MMC_H
26#define MMC_MMC_PROTOCOL_H 26#define MMC_MMC_H
27 27
28/* Standard MMC commands (4.1) type argument response */ 28/* Standard MMC commands (4.1) type argument response */
29 /* class 1 */ 29 /* class 1 */
@@ -78,21 +78,6 @@
78#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */ 78#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
79#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */ 79#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
80 80
81/* SD commands type argument response */
82 /* class 0 */
83/* This is basically the same command as for MMC with some quirks. */
84#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */
85#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */
86
87 /* class 10 */
88#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
89
90 /* Application commands */
91#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
92#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
93#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
94#define SD_APP_SEND_SCR 51 /* adtc R1 */
95
96/* 81/*
97 * MMC_SWITCH argument format: 82 * MMC_SWITCH argument format:
98 * 83 *
@@ -105,27 +90,6 @@
105 */ 90 */
106 91
107/* 92/*
108 * SD_SWITCH argument format:
109 *
110 * [31] Check (0) or switch (1)
111 * [30:24] Reserved (0)
112 * [23:20] Function group 6
113 * [19:16] Function group 5
114 * [15:12] Function group 4
115 * [11:8] Function group 3
116 * [7:4] Function group 2
117 * [3:0] Function group 1
118 */
119
120/*
121 * SD_SEND_IF_COND argument format:
122 *
123 * [31:12] Reserved (0)
124 * [11:8] Host Voltage Supply Flags
125 * [7:0] Check Pattern (0xAA)
126 */
127
128/*
129 MMC status in R1 93 MMC status in R1
130 Type 94 Type
131 e : error bit 95 e : error bit
@@ -289,19 +253,5 @@ struct _mmc_csd {
289#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */ 253#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
290#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */ 254#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
291 255
292/*
293 * SCR field definitions
294 */
295
296#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
297#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
298#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */
299
300/*
301 * SD bus widths
302 */
303#define SD_BUS_WIDTH_1 0
304#define SD_BUS_WIDTH_4 2
305
306#endif /* MMC_MMC_PROTOCOL_H */ 256#endif /* MMC_MMC_PROTOCOL_H */
307 257
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