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-rw-r--r--include/linux/mmc/card.h32
-rw-r--r--include/linux/mmc/core.h112
-rw-r--r--include/linux/mmc/host.h59
-rw-r--r--include/linux/mmc/mmc.h322
-rw-r--r--include/linux/mmc/protocol.h327
-rw-r--r--include/linux/mmc/sd.h83
6 files changed, 466 insertions, 469 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index e45712acfac5..badf702fcff4 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -10,7 +10,7 @@
10#ifndef LINUX_MMC_CARD_H 10#ifndef LINUX_MMC_CARD_H
11#define LINUX_MMC_CARD_H 11#define LINUX_MMC_CARD_H
12 12
13#include <linux/mmc/mmc.h> 13#include <linux/mmc/core.h>
14 14
15struct mmc_cid { 15struct mmc_cid {
16 unsigned int manfid; 16 unsigned int manfid;
@@ -41,6 +41,7 @@ struct mmc_csd {
41 41
42struct mmc_ext_csd { 42struct mmc_ext_csd {
43 unsigned int hs_max_dtr; 43 unsigned int hs_max_dtr;
44 unsigned int sectors;
44}; 45};
45 46
46struct sd_scr { 47struct sd_scr {
@@ -60,18 +61,17 @@ struct mmc_host;
60 * MMC device 61 * MMC device
61 */ 62 */
62struct mmc_card { 63struct mmc_card {
63 struct list_head node; /* node in hosts devices list */
64 struct mmc_host *host; /* the host this device belongs to */ 64 struct mmc_host *host; /* the host this device belongs to */
65 struct device dev; /* the device */ 65 struct device dev; /* the device */
66 unsigned int rca; /* relative card address of device */ 66 unsigned int rca; /* relative card address of device */
67 unsigned int type; /* card type */
68#define MMC_TYPE_MMC 0 /* MMC card */
69#define MMC_TYPE_SD 1 /* SD card */
67 unsigned int state; /* (our) card state */ 70 unsigned int state; /* (our) card state */
68#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ 71#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
69#define MMC_STATE_DEAD (1<<1) /* device no longer in stack */ 72#define MMC_STATE_READONLY (1<<1) /* card is read-only */
70#define MMC_STATE_BAD (1<<2) /* unrecognised device */ 73#define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
71#define MMC_STATE_SDCARD (1<<3) /* is an SD card */ 74#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
72#define MMC_STATE_READONLY (1<<4) /* card is read-only */
73#define MMC_STATE_HIGHSPEED (1<<5) /* card is in high speed mode */
74#define MMC_STATE_BLOCKADDR (1<<6) /* card uses block-addressing */
75 u32 raw_cid[4]; /* raw card CID */ 75 u32 raw_cid[4]; /* raw card CID */
76 u32 raw_csd[4]; /* raw card CSD */ 76 u32 raw_csd[4]; /* raw card CSD */
77 u32 raw_scr[2]; /* raw card SCR */ 77 u32 raw_scr[2]; /* raw card SCR */
@@ -82,18 +82,15 @@ struct mmc_card {
82 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ 82 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
83}; 83};
84 84
85#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
86#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
87
85#define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) 88#define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
86#define mmc_card_dead(c) ((c)->state & MMC_STATE_DEAD)
87#define mmc_card_bad(c) ((c)->state & MMC_STATE_BAD)
88#define mmc_card_sd(c) ((c)->state & MMC_STATE_SDCARD)
89#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) 89#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
90#define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED) 90#define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
91#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) 91#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
92 92
93#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) 93#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
94#define mmc_card_set_dead(c) ((c)->state |= MMC_STATE_DEAD)
95#define mmc_card_set_bad(c) ((c)->state |= MMC_STATE_BAD)
96#define mmc_card_set_sd(c) ((c)->state |= MMC_STATE_SDCARD)
97#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) 94#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
98#define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED) 95#define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
99#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) 96#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
@@ -119,11 +116,4 @@ struct mmc_driver {
119extern int mmc_register_driver(struct mmc_driver *); 116extern int mmc_register_driver(struct mmc_driver *);
120extern void mmc_unregister_driver(struct mmc_driver *); 117extern void mmc_unregister_driver(struct mmc_driver *);
121 118
122static inline int mmc_card_claim_host(struct mmc_card *card)
123{
124 return __mmc_claim_host(card->host, card);
125}
126
127#define mmc_card_release_host(c) mmc_release_host((c)->host)
128
129#endif 119#endif
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
new file mode 100644
index 000000000000..04bbe12fae8d
--- /dev/null
+++ b/include/linux/mmc/core.h
@@ -0,0 +1,112 @@
1/*
2 * linux/include/linux/mmc/core.h
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8#ifndef LINUX_MMC_CORE_H
9#define LINUX_MMC_CORE_H
10
11#include <linux/interrupt.h>
12#include <linux/device.h>
13
14struct request;
15struct mmc_data;
16struct mmc_request;
17
18struct mmc_command {
19 u32 opcode;
20 u32 arg;
21 u32 resp[4];
22 unsigned int flags; /* expected response type */
23#define MMC_RSP_PRESENT (1 << 0)
24#define MMC_RSP_136 (1 << 1) /* 136 bit response */
25#define MMC_RSP_CRC (1 << 2) /* expect valid crc */
26#define MMC_RSP_BUSY (1 << 3) /* card may send busy */
27#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */
28#define MMC_CMD_MASK (3 << 5) /* command type */
29#define MMC_CMD_AC (0 << 5)
30#define MMC_CMD_ADTC (1 << 5)
31#define MMC_CMD_BC (2 << 5)
32#define MMC_CMD_BCR (3 << 5)
33
34/*
35 * These are the response types, and correspond to valid bit
36 * patterns of the above flags. One additional valid pattern
37 * is all zeros, which means we don't expect a response.
38 */
39#define MMC_RSP_NONE (0)
40#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
41#define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY)
42#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
43#define MMC_RSP_R3 (MMC_RSP_PRESENT)
44#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
45#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
46
47#define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE))
48
49/*
50 * These are the command types.
51 */
52#define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK)
53
54 unsigned int retries; /* max number of retries */
55 unsigned int error; /* command error */
56
57#define MMC_ERR_NONE 0
58#define MMC_ERR_TIMEOUT 1
59#define MMC_ERR_BADCRC 2
60#define MMC_ERR_FIFO 3
61#define MMC_ERR_FAILED 4
62#define MMC_ERR_INVALID 5
63
64 struct mmc_data *data; /* data segment associated with cmd */
65 struct mmc_request *mrq; /* associated request */
66};
67
68struct mmc_data {
69 unsigned int timeout_ns; /* data timeout (in ns, max 80ms) */
70 unsigned int timeout_clks; /* data timeout (in clocks) */
71 unsigned int blksz; /* data block size */
72 unsigned int blocks; /* number of blocks */
73 unsigned int error; /* data error */
74 unsigned int flags;
75
76#define MMC_DATA_WRITE (1 << 8)
77#define MMC_DATA_READ (1 << 9)
78#define MMC_DATA_STREAM (1 << 10)
79#define MMC_DATA_MULTI (1 << 11)
80
81 unsigned int bytes_xfered;
82
83 struct mmc_command *stop; /* stop command */
84 struct mmc_request *mrq; /* associated request */
85
86 unsigned int sg_len; /* size of scatter list */
87 struct scatterlist *sg; /* I/O scatter list */
88};
89
90struct mmc_request {
91 struct mmc_command *cmd;
92 struct mmc_data *data;
93 struct mmc_command *stop;
94
95 void *done_data; /* completion data */
96 void (*done)(struct mmc_request *);/* completion function */
97};
98
99struct mmc_host;
100struct mmc_card;
101
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);
104extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
105 struct mmc_command *, int);
106
107extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int);
108
109extern void mmc_claim_host(struct mmc_host *host);
110extern void mmc_release_host(struct mmc_host *host);
111
112#endif
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index bfcef8a1ad8b..b1350dfd3e91 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -10,36 +10,13 @@
10#ifndef LINUX_MMC_HOST_H 10#ifndef LINUX_MMC_HOST_H
11#define LINUX_MMC_HOST_H 11#define LINUX_MMC_HOST_H
12 12
13#include <linux/mmc/mmc.h> 13#include <linux/mmc/core.h>
14 14
15struct mmc_ios { 15struct mmc_ios {
16 unsigned int clock; /* clock rate */ 16 unsigned int clock; /* clock rate */
17 unsigned short vdd; 17 unsigned short vdd;
18 18
19#define MMC_VDD_150 0 19/* vdd stores the bit number of the selected voltage range from below. */
20#define MMC_VDD_155 1
21#define MMC_VDD_160 2
22#define MMC_VDD_165 3
23#define MMC_VDD_170 4
24#define MMC_VDD_180 5
25#define MMC_VDD_190 6
26#define MMC_VDD_200 7
27#define MMC_VDD_210 8
28#define MMC_VDD_220 9
29#define MMC_VDD_230 10
30#define MMC_VDD_240 11
31#define MMC_VDD_250 12
32#define MMC_VDD_260 13
33#define MMC_VDD_270 14
34#define MMC_VDD_280 15
35#define MMC_VDD_290 16
36#define MMC_VDD_300 17
37#define MMC_VDD_310 18
38#define MMC_VDD_320 19
39#define MMC_VDD_330 20
40#define MMC_VDD_340 21
41#define MMC_VDD_350 22
42#define MMC_VDD_360 23
43 20
44 unsigned char bus_mode; /* command output mode */ 21 unsigned char bus_mode; /* command output mode */
45 22
@@ -88,6 +65,24 @@ struct mmc_host {
88 unsigned int f_max; 65 unsigned int f_max;
89 u32 ocr_avail; 66 u32 ocr_avail;
90 67
68#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */
69#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
70#define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */
71#define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */
72#define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */
73#define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */
74#define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */
75#define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */
76#define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */
77#define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */
78#define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */
79#define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */
80#define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */
81#define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */
82#define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */
83#define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */
84#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */
85
91 unsigned long caps; /* Host capabilities */ 86 unsigned long caps; /* Host capabilities */
92 87
93#define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */ 88#define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */
@@ -106,6 +101,8 @@ struct mmc_host {
106 unsigned int max_blk_count; /* maximum number of blocks in one req */ 101 unsigned int max_blk_count; /* maximum number of blocks in one req */
107 102
108 /* private data */ 103 /* private data */
104 spinlock_t lock; /* lock for claim and bus ops */
105
109 struct mmc_ios ios; /* current io bus settings */ 106 struct mmc_ios ios; /* current io bus settings */
110 u32 ocr; /* the current OCR setting */ 107 u32 ocr; /* the current OCR setting */
111 108
@@ -113,15 +110,19 @@ struct mmc_host {
113#define MMC_MODE_MMC 0 110#define MMC_MODE_MMC 0
114#define MMC_MODE_SD 1 111#define MMC_MODE_SD 1
115 112
116 struct list_head cards; /* devices attached to this host */ 113 struct mmc_card *card; /* device attached to this host */
117 114
118 wait_queue_head_t wq; 115 wait_queue_head_t wq;
119 spinlock_t lock; /* claimed lock */
120 unsigned int claimed:1; /* host exclusively claimed */ 116 unsigned int claimed:1; /* host exclusively claimed */
121 117
122 struct mmc_card *card_selected; /* the selected MMC card */
123
124 struct delayed_work detect; 118 struct delayed_work detect;
119#ifdef CONFIG_MMC_DEBUG
120 unsigned int removed:1; /* host is being removed */
121#endif
122
123 const struct mmc_bus_ops *bus_ops; /* current bus driver */
124 unsigned int bus_refs; /* reference counter */
125 unsigned int bus_dead:1; /* bus has been released */
125 126
126 unsigned long private[0] ____cacheline_aligned; 127 unsigned long private[0] ____cacheline_aligned;
127}; 128};
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index cdc54be804f1..e3ed9b95040e 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -1,119 +1,257 @@
1/* 1/*
2 * linux/include/linux/mmc/mmc.h 2 * Header for MultiMediaCard (MMC)
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * Copyright 2002 Hewlett-Packard Company
5 * it under the terms of the GNU General Public License version 2 as 5 *
6 * published by the Free Software Foundation. 6 * Use consistent with the GNU GPL is permitted,
7 * provided that this copyright notice is
8 * preserved in its entirety in all copies and derived works.
9 *
10 * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
11 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
12 * FITNESS FOR ANY PARTICULAR PURPOSE.
13 *
14 * Many thanks to Alessandro Rubini and Jonathan Corbet!
15 *
16 * Based strongly on code by:
17 *
18 * Author: Yong-iL Joh <tolkien@mizi.com>
19 * Date : $Date: 2002/06/18 12:37:30 $
20 *
21 * Author: Andrew Christian
22 * 15 May 2002
7 */ 23 */
8#ifndef MMC_H 24
9#define MMC_H 25#ifndef MMC_MMC_H
10 26#define MMC_MMC_H
11#include <linux/list.h> 27
12#include <linux/interrupt.h> 28/* Standard MMC commands (4.1) type argument response */
13#include <linux/device.h> 29 /* class 1 */
14 30#define MMC_GO_IDLE_STATE 0 /* bc */
15struct request; 31#define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
16struct mmc_data; 32#define MMC_ALL_SEND_CID 2 /* bcr R2 */
17struct mmc_request; 33#define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */
18 34#define MMC_SET_DSR 4 /* bc [31:16] RCA */
19struct mmc_command { 35#define MMC_SWITCH 6 /* ac [31:0] See below R1b */
20 u32 opcode; 36#define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */
21 u32 arg; 37#define MMC_SEND_EXT_CSD 8 /* adtc R1 */
22 u32 resp[4]; 38#define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
23 unsigned int flags; /* expected response type */ 39#define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
24#define MMC_RSP_PRESENT (1 << 0) 40#define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
25#define MMC_RSP_136 (1 << 1) /* 136 bit response */ 41#define MMC_STOP_TRANSMISSION 12 /* ac R1b */
26#define MMC_RSP_CRC (1 << 2) /* expect valid crc */ 42#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
27#define MMC_RSP_BUSY (1 << 3) /* card may send busy */ 43#define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
28#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */ 44
29#define MMC_CMD_MASK (3 << 5) /* command type */ 45 /* class 2 */
30#define MMC_CMD_AC (0 << 5) 46#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
31#define MMC_CMD_ADTC (1 << 5) 47#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
32#define MMC_CMD_BC (2 << 5) 48#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
33#define MMC_CMD_BCR (3 << 5) 49
50 /* class 3 */
51#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
52
53 /* class 4 */
54#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
55#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
56#define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
57#define MMC_PROGRAM_CID 26 /* adtc R1 */
58#define MMC_PROGRAM_CSD 27 /* adtc R1 */
59
60 /* class 6 */
61#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
62#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
63#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
64
65 /* class 5 */
66#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
67#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
68#define MMC_ERASE 38 /* ac R1b */
69
70 /* class 9 */
71#define MMC_FAST_IO 39 /* ac <Complex> R4 */
72#define MMC_GO_IRQ_STATE 40 /* bcr R5 */
73
74 /* class 7 */
75#define MMC_LOCK_UNLOCK 42 /* adtc R1b */
76
77 /* class 8 */
78#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
79#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
34 80
35/* 81/*
36 * These are the response types, and correspond to valid bit 82 * MMC_SWITCH argument format:
37 * patterns of the above flags. One additional valid pattern 83 *
38 * is all zeros, which means we don't expect a response. 84 * [31:26] Always 0
85 * [25:24] Access Mode
86 * [23:16] Location of target Byte in EXT_CSD
87 * [15:08] Value Byte
88 * [07:03] Always 0
89 * [02:00] Command Set
39 */ 90 */
40#define MMC_RSP_NONE (0)
41#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
42#define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY)
43#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
44#define MMC_RSP_R3 (MMC_RSP_PRESENT)
45#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
46#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
47
48#define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE))
49 91
50/* 92/*
51 * These are the command types. 93 MMC status in R1
94 Type
95 e : error bit
96 s : status bit
97 r : detected and set for the actual command response
98 x : detected and set during command execution. the host must poll
99 the card by sending status command in order to read these bits.
100 Clear condition
101 a : according to the card state
102 b : always related to the previous command. Reception of
103 a valid command will clear it (with a delay of one command)
104 c : clear by read
52 */ 105 */
53#define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK)
54 106
55 unsigned int retries; /* max number of retries */ 107#define R1_OUT_OF_RANGE (1 << 31) /* er, c */
56 unsigned int error; /* command error */ 108#define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
109#define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
110#define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
111#define R1_ERASE_PARAM (1 << 27) /* ex, c */
112#define R1_WP_VIOLATION (1 << 26) /* erx, c */
113#define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
114#define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
115#define R1_COM_CRC_ERROR (1 << 23) /* er, b */
116#define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
117#define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
118#define R1_CC_ERROR (1 << 20) /* erx, c */
119#define R1_ERROR (1 << 19) /* erx, c */
120#define R1_UNDERRUN (1 << 18) /* ex, c */
121#define R1_OVERRUN (1 << 17) /* ex, c */
122#define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
123#define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
124#define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
125#define R1_ERASE_RESET (1 << 13) /* sr, c */
126#define R1_STATUS(x) (x & 0xFFFFE000)
127#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
128#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
129#define R1_APP_CMD (1 << 5) /* sr, c */
57 130
58#define MMC_ERR_NONE 0 131/* These are unpacked versions of the actual responses */
59#define MMC_ERR_TIMEOUT 1
60#define MMC_ERR_BADCRC 2
61#define MMC_ERR_FIFO 3
62#define MMC_ERR_FAILED 4
63#define MMC_ERR_INVALID 5
64 132
65 struct mmc_data *data; /* data segment associated with cmd */ 133struct _mmc_csd {
66 struct mmc_request *mrq; /* associated request */ 134 u8 csd_structure;
135 u8 spec_vers;
136 u8 taac;
137 u8 nsac;
138 u8 tran_speed;
139 u16 ccc;
140 u8 read_bl_len;
141 u8 read_bl_partial;
142 u8 write_blk_misalign;
143 u8 read_blk_misalign;
144 u8 dsr_imp;
145 u16 c_size;
146 u8 vdd_r_curr_min;
147 u8 vdd_r_curr_max;
148 u8 vdd_w_curr_min;
149 u8 vdd_w_curr_max;
150 u8 c_size_mult;
151 union {
152 struct { /* MMC system specification version 3.1 */
153 u8 erase_grp_size;
154 u8 erase_grp_mult;
155 } v31;
156 struct { /* MMC system specification version 2.2 */
157 u8 sector_size;
158 u8 erase_grp_size;
159 } v22;
160 } erase;
161 u8 wp_grp_size;
162 u8 wp_grp_enable;
163 u8 default_ecc;
164 u8 r2w_factor;
165 u8 write_bl_len;
166 u8 write_bl_partial;
167 u8 file_format_grp;
168 u8 copy;
169 u8 perm_write_protect;
170 u8 tmp_write_protect;
171 u8 file_format;
172 u8 ecc;
67}; 173};
68 174
69struct mmc_data { 175/*
70 unsigned int timeout_ns; /* data timeout (in ns, max 80ms) */ 176 * OCR bits are mostly in host.h
71 unsigned int timeout_clks; /* data timeout (in clocks) */ 177 */
72 unsigned int blksz; /* data block size */ 178#define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */
73 unsigned int blocks; /* number of blocks */
74 unsigned int error; /* data error */
75 unsigned int flags;
76 179
77#define MMC_DATA_WRITE (1 << 8) 180/*
78#define MMC_DATA_READ (1 << 9) 181 * Card Command Classes (CCC)
79#define MMC_DATA_STREAM (1 << 10) 182 */
80#define MMC_DATA_MULTI (1 << 11) 183#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
184 /* (CMD0,1,2,3,4,7,9,10,12,13,15) */
185#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
186 /* (CMD11) */
187#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
188 /* (CMD16,17,18) */
189#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
190 /* (CMD20) */
191#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
192 /* (CMD16,24,25,26,27) */
193#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
194 /* (CMD32,33,34,35,36,37,38,39) */
195#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
196 /* (CMD28,29,30) */
197#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
198 /* (CMD16,CMD42) */
199#define CCC_APP_SPEC (1<<8) /* (8) Application specific */
200 /* (CMD55,56,57,ACMD*) */
201#define CCC_IO_MODE (1<<9) /* (9) I/O mode */
202 /* (CMD5,39,40,52,53) */
203#define CCC_SWITCH (1<<10) /* (10) High speed switch */
204 /* (CMD6,34,35,36,37,50) */
205 /* (11) Reserved */
206 /* (CMD?) */
81 207
82 unsigned int bytes_xfered; 208/*
209 * CSD field definitions
210 */
83 211
84 struct mmc_command *stop; /* stop command */ 212#define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */
85 struct mmc_request *mrq; /* associated request */ 213#define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */
214#define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1 */
215#define CSD_STRUCT_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */
86 216
87 unsigned int sg_len; /* size of scatter list */ 217#define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */
88 struct scatterlist *sg; /* I/O scatter list */ 218#define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */
89}; 219#define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
220#define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 - 3.2 - 3.31 */
221#define CSD_SPEC_VER_4 4 /* Implements system specification 4.0 - 4.1 */
90 222
91struct mmc_request { 223/*
92 struct mmc_command *cmd; 224 * EXT_CSD fields
93 struct mmc_data *data; 225 */
94 struct mmc_command *stop;
95 226
96 void *done_data; /* completion data */ 227#define EXT_CSD_BUS_WIDTH 183 /* R/W */
97 void (*done)(struct mmc_request *);/* completion function */ 228#define EXT_CSD_HS_TIMING 185 /* R/W */
98}; 229#define EXT_CSD_CARD_TYPE 196 /* RO */
230#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
231
232/*
233 * EXT_CSD field definitions
234 */
99 235
100struct mmc_host; 236#define EXT_CSD_CMD_SET_NORMAL (1<<0)
101struct mmc_card; 237#define EXT_CSD_CMD_SET_SECURE (1<<1)
238#define EXT_CSD_CMD_SET_CPSECURE (1<<2)
102 239
103extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *); 240#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */
104extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int); 241#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */
105extern int mmc_wait_for_app_cmd(struct mmc_host *, unsigned int,
106 struct mmc_command *, int);
107 242
108extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int); 243#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
244#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
245#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
109 246
110extern int __mmc_claim_host(struct mmc_host *host, struct mmc_card *card); 247/*
248 * MMC_SWITCH access modes
249 */
111 250
112static inline void mmc_claim_host(struct mmc_host *host) 251#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
113{ 252#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits which are 1 in value */
114 __mmc_claim_host(host, (struct mmc_card *)-1); 253#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
115} 254#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
116 255
117extern void mmc_release_host(struct mmc_host *host); 256#endif /* MMC_MMC_PROTOCOL_H */
118 257
119#endif
diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/protocol.h
deleted file mode 100644
index c90b6768329d..000000000000
--- a/include/linux/mmc/protocol.h
+++ /dev/null
@@ -1,327 +0,0 @@
1/*
2 * Header for MultiMediaCard (MMC)
3 *
4 * Copyright 2002 Hewlett-Packard Company
5 *
6 * Use consistent with the GNU GPL is permitted,
7 * provided that this copyright notice is
8 * preserved in its entirety in all copies and derived works.
9 *
10 * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
11 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
12 * FITNESS FOR ANY PARTICULAR PURPOSE.
13 *
14 * Many thanks to Alessandro Rubini and Jonathan Corbet!
15 *
16 * Based strongly on code by:
17 *
18 * Author: Yong-iL Joh <tolkien@mizi.com>
19 * Date : $Date: 2002/06/18 12:37:30 $
20 *
21 * Author: Andrew Christian
22 * 15 May 2002
23 */
24
25#ifndef MMC_MMC_PROTOCOL_H
26#define MMC_MMC_PROTOCOL_H
27
28/* Standard MMC commands (4.1) type argument response */
29 /* class 1 */
30#define MMC_GO_IDLE_STATE 0 /* bc */
31#define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
32#define MMC_ALL_SEND_CID 2 /* bcr R2 */
33#define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */
34#define MMC_SET_DSR 4 /* bc [31:16] RCA */
35#define MMC_SWITCH 6 /* ac [31:0] See below R1b */
36#define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */
37#define MMC_SEND_EXT_CSD 8 /* adtc R1 */
38#define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
39#define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
40#define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
41#define MMC_STOP_TRANSMISSION 12 /* ac R1b */
42#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
43#define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
44
45 /* class 2 */
46#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
47#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
48#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
49
50 /* class 3 */
51#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
52
53 /* class 4 */
54#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
55#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
56#define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
57#define MMC_PROGRAM_CID 26 /* adtc R1 */
58#define MMC_PROGRAM_CSD 27 /* adtc R1 */
59
60 /* class 6 */
61#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
62#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
63#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
64
65 /* class 5 */
66#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
67#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
68#define MMC_ERASE 38 /* ac R1b */
69
70 /* class 9 */
71#define MMC_FAST_IO 39 /* ac <Complex> R4 */
72#define MMC_GO_IRQ_STATE 40 /* bcr R5 */
73
74 /* class 7 */
75#define MMC_LOCK_UNLOCK 42 /* adtc R1b */
76
77 /* class 8 */
78#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
79#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
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/*
97 * MMC_SWITCH argument format:
98 *
99 * [31:26] Always 0
100 * [25:24] Access Mode
101 * [23:16] Location of target Byte in EXT_CSD
102 * [15:08] Value Byte
103 * [07:03] Always 0
104 * [02:00] Command Set
105 */
106
107/*
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
130 Type
131 e : error bit
132 s : status bit
133 r : detected and set for the actual command response
134 x : detected and set during command execution. the host must poll
135 the card by sending status command in order to read these bits.
136 Clear condition
137 a : according to the card state
138 b : always related to the previous command. Reception of
139 a valid command will clear it (with a delay of one command)
140 c : clear by read
141 */
142
143#define R1_OUT_OF_RANGE (1 << 31) /* er, c */
144#define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
145#define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
146#define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
147#define R1_ERASE_PARAM (1 << 27) /* ex, c */
148#define R1_WP_VIOLATION (1 << 26) /* erx, c */
149#define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
150#define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
151#define R1_COM_CRC_ERROR (1 << 23) /* er, b */
152#define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
153#define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
154#define R1_CC_ERROR (1 << 20) /* erx, c */
155#define R1_ERROR (1 << 19) /* erx, c */
156#define R1_UNDERRUN (1 << 18) /* ex, c */
157#define R1_OVERRUN (1 << 17) /* ex, c */
158#define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
159#define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
160#define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
161#define R1_ERASE_RESET (1 << 13) /* sr, c */
162#define R1_STATUS(x) (x & 0xFFFFE000)
163#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
164#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
165#define R1_APP_CMD (1 << 5) /* sr, c */
166
167/* These are unpacked versions of the actual responses */
168
169struct _mmc_csd {
170 u8 csd_structure;
171 u8 spec_vers;
172 u8 taac;
173 u8 nsac;
174 u8 tran_speed;
175 u16 ccc;
176 u8 read_bl_len;
177 u8 read_bl_partial;
178 u8 write_blk_misalign;
179 u8 read_blk_misalign;
180 u8 dsr_imp;
181 u16 c_size;
182 u8 vdd_r_curr_min;
183 u8 vdd_r_curr_max;
184 u8 vdd_w_curr_min;
185 u8 vdd_w_curr_max;
186 u8 c_size_mult;
187 union {
188 struct { /* MMC system specification version 3.1 */
189 u8 erase_grp_size;
190 u8 erase_grp_mult;
191 } v31;
192 struct { /* MMC system specification version 2.2 */
193 u8 sector_size;
194 u8 erase_grp_size;
195 } v22;
196 } erase;
197 u8 wp_grp_size;
198 u8 wp_grp_enable;
199 u8 default_ecc;
200 u8 r2w_factor;
201 u8 write_bl_len;
202 u8 write_bl_partial;
203 u8 file_format_grp;
204 u8 copy;
205 u8 perm_write_protect;
206 u8 tmp_write_protect;
207 u8 file_format;
208 u8 ecc;
209};
210
211#define MMC_VDD_145_150 0x00000001 /* VDD voltage 1.45 - 1.50 */
212#define MMC_VDD_150_155 0x00000002 /* VDD voltage 1.50 - 1.55 */
213#define MMC_VDD_155_160 0x00000004 /* VDD voltage 1.55 - 1.60 */
214#define MMC_VDD_160_165 0x00000008 /* VDD voltage 1.60 - 1.65 */
215#define MMC_VDD_165_170 0x00000010 /* VDD voltage 1.65 - 1.70 */
216#define MMC_VDD_17_18 0x00000020 /* VDD voltage 1.7 - 1.8 */
217#define MMC_VDD_18_19 0x00000040 /* VDD voltage 1.8 - 1.9 */
218#define MMC_VDD_19_20 0x00000080 /* VDD voltage 1.9 - 2.0 */
219#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
220#define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */
221#define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */
222#define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */
223#define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */
224#define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */
225#define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */
226#define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */
227#define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */
228#define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */
229#define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */
230#define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */
231#define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */
232#define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */
233#define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */
234#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */
235#define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */
236
237/*
238 * Card Command Classes (CCC)
239 */
240#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
241 /* (CMD0,1,2,3,4,7,9,10,12,13,15) */
242#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
243 /* (CMD11) */
244#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
245 /* (CMD16,17,18) */
246#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
247 /* (CMD20) */
248#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
249 /* (CMD16,24,25,26,27) */
250#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
251 /* (CMD32,33,34,35,36,37,38,39) */
252#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
253 /* (CMD28,29,30) */
254#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
255 /* (CMD16,CMD42) */
256#define CCC_APP_SPEC (1<<8) /* (8) Application specific */
257 /* (CMD55,56,57,ACMD*) */
258#define CCC_IO_MODE (1<<9) /* (9) I/O mode */
259 /* (CMD5,39,40,52,53) */
260#define CCC_SWITCH (1<<10) /* (10) High speed switch */
261 /* (CMD6,34,35,36,37,50) */
262 /* (11) Reserved */
263 /* (CMD?) */
264
265/*
266 * CSD field definitions
267 */
268
269#define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */
270#define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */
271#define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1 */
272#define CSD_STRUCT_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */
273
274#define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */
275#define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */
276#define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
277#define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 - 3.2 - 3.31 */
278#define CSD_SPEC_VER_4 4 /* Implements system specification 4.0 - 4.1 */
279
280/*
281 * EXT_CSD fields
282 */
283
284#define EXT_CSD_BUS_WIDTH 183 /* R/W */
285#define EXT_CSD_HS_TIMING 185 /* R/W */
286#define EXT_CSD_CARD_TYPE 196 /* RO */
287
288/*
289 * EXT_CSD field definitions
290 */
291
292#define EXT_CSD_CMD_SET_NORMAL (1<<0)
293#define EXT_CSD_CMD_SET_SECURE (1<<1)
294#define EXT_CSD_CMD_SET_CPSECURE (1<<2)
295
296#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */
297#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */
298
299#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
300#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
301#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
302
303/*
304 * MMC_SWITCH access modes
305 */
306
307#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
308#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits which are 1 in value */
309#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
310#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
311
312/*
313 * SCR field definitions
314 */
315
316#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
317#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
318#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */
319
320/*
321 * SD bus widths
322 */
323#define SD_BUS_WIDTH_1 0
324#define SD_BUS_WIDTH_4 2
325
326#endif /* MMC_MMC_PROTOCOL_H */
327
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
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-08 23:00:14 -0500