[linux.git] / include / linux / mmc / protocol.h

/*
 * Header for MultiMediaCard (MMC)
 *
 * Copyright 2002 Hewlett-Packard Company
 *
 * Use consistent with the GNU GPL is permitted,
 * provided that this copyright notice is
 * preserved in its entirety in all copies and derived works.
 *
 * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
 * FITNESS FOR ANY PARTICULAR PURPOSE.
 *
 * Many thanks to Alessandro Rubini and Jonathan Corbet!
 *
 * Based strongly on code by:
 *
 * Author: Yong-iL Joh <[email protected]>
 * Date  : $Date: 2002/06/18 12:37:30 $
 *
 * Author:  Andrew Christian
 *          15 May 2002
 */

#ifndef MMC_MMC_PROTOCOL_H
#define MMC_MMC_PROTOCOL_H

/* Standard MMC commands (3.1)           type  argument     response */
   /* class 1 */
#define	MMC_GO_IDLE_STATE         0   /* bc                          */
#define MMC_SEND_OP_COND          1   /* bcr  [31:0] OCR         R3  */
#define MMC_ALL_SEND_CID          2   /* bcr                     R2  */
#define MMC_SET_RELATIVE_ADDR     3   /* ac   [31:16] RCA        R1  */
#define MMC_SET_DSR               4   /* bc   [31:16] RCA            */
#define MMC_SELECT_CARD           7   /* ac   [31:16] RCA        R1  */
#define MMC_SEND_CSD              9   /* ac   [31:16] RCA        R2  */
#define MMC_SEND_CID             10   /* ac   [31:16] RCA        R2  */
#define MMC_READ_DAT_UNTIL_STOP  11   /* adtc [31:0] dadr        R1  */
#define MMC_STOP_TRANSMISSION    12   /* ac                      R1b */
#define MMC_SEND_STATUS	         13   /* ac   [31:16] RCA        R1  */
#define MMC_GO_INACTIVE_STATE    15   /* ac   [31:16] RCA            */

  /* class 2 */
#define MMC_SET_BLOCKLEN         16   /* ac   [31:0] block len   R1  */
#define MMC_READ_SINGLE_BLOCK    17   /* adtc [31:0] data addr   R1  */
#define MMC_READ_MULTIPLE_BLOCK  18   /* adtc [31:0] data addr   R1  */

  /* class 3 */
#define MMC_WRITE_DAT_UNTIL_STOP 20   /* adtc [31:0] data addr   R1  */

  /* class 4 */
#define MMC_SET_BLOCK_COUNT      23   /* adtc [31:0] data addr   R1  */
#define MMC_WRITE_BLOCK          24   /* adtc [31:0] data addr   R1  */
#define MMC_WRITE_MULTIPLE_BLOCK 25   /* adtc                    R1  */
#define MMC_PROGRAM_CID          26   /* adtc                    R1  */
#define MMC_PROGRAM_CSD          27   /* adtc                    R1  */

  /* class 6 */
#define MMC_SET_WRITE_PROT       28   /* ac   [31:0] data addr   R1b */
#define MMC_CLR_WRITE_PROT       29   /* ac   [31:0] data addr   R1b */
#define MMC_SEND_WRITE_PROT      30   /* adtc [31:0] wpdata addr R1  */

  /* class 5 */
#define MMC_ERASE_GROUP_START    35   /* ac   [31:0] data addr   R1  */
#define MMC_ERASE_GROUP_END      36   /* ac   [31:0] data addr   R1  */
#define MMC_ERASE                38   /* ac                      R1b */

  /* class 9 */
#define MMC_FAST_IO              39   /* ac   <Complex>          R4  */
#define MMC_GO_IRQ_STATE         40   /* bcr                     R5  */

  /* class 7 */
#define MMC_LOCK_UNLOCK          42   /* adtc                    R1b */

  /* class 8 */
#define MMC_APP_CMD              55   /* ac   [31:16] RCA        R1  */
#define MMC_GEN_CMD              56   /* adtc [0] RD/WR          R1  */

/* SD commands                           type  argument     response */
  /* class 8 */
/* This is basically the same command as for MMC with some quirks. */
#define SD_SEND_RELATIVE_ADDR     3   /* bcr                     R6  */

  /* Application commands */
#define SD_APP_SET_BUS_WIDTH      6   /* ac   [1:0] bus width    R1  */
#define SD_APP_SEND_NUM_WR_BLKS  22   /* adtc                    R1  */
#define SD_APP_OP_COND           41   /* bcr  [31:0] OCR         R3  */
#define SD_APP_SEND_SCR          51   /* adtc                    R1  */

/*
  MMC status in R1
  Type
  	e : error bit
	s : status bit
	r : detected and set for the actual command response
	x : detected and set during command execution. the host must poll
            the card by sending status command in order to read these bits.
  Clear condition
  	a : according to the card state
	b : always related to the previous command. Reception of
            a valid command will clear it (with a delay of one command)
	c : clear by read
 */

#define R1_OUT_OF_RANGE		(1 << 31)	/* er, c */
#define R1_ADDRESS_ERROR	(1 << 30)	/* erx, c */
#define R1_BLOCK_LEN_ERROR	(1 << 29)	/* er, c */
#define R1_ERASE_SEQ_ERROR      (1 << 28)	/* er, c */
#define R1_ERASE_PARAM		(1 << 27)	/* ex, c */
#define R1_WP_VIOLATION		(1 << 26)	/* erx, c */
#define R1_CARD_IS_LOCKED	(1 << 25)	/* sx, a */
#define R1_LOCK_UNLOCK_FAILED	(1 << 24)	/* erx, c */
#define R1_COM_CRC_ERROR	(1 << 23)	/* er, b */
#define R1_ILLEGAL_COMMAND	(1 << 22)	/* er, b */
#define R1_CARD_ECC_FAILED	(1 << 21)	/* ex, c */
#define R1_CC_ERROR		(1 << 20)	/* erx, c */
#define R1_ERROR		(1 << 19)	/* erx, c */
#define R1_UNDERRUN		(1 << 18)	/* ex, c */
#define R1_OVERRUN		(1 << 17)	/* ex, c */
#define R1_CID_CSD_OVERWRITE	(1 << 16)	/* erx, c, CID/CSD overwrite */
#define R1_WP_ERASE_SKIP	(1 << 15)	/* sx, c */
#define R1_CARD_ECC_DISABLED	(1 << 14)	/* sx, a */
#define R1_ERASE_RESET		(1 << 13)	/* sr, c */
#define R1_STATUS(x)            (x & 0xFFFFE000)
#define R1_CURRENT_STATE(x)    	((x & 0x00001E00) >> 9)	/* sx, b (4 bits) */
#define R1_READY_FOR_DATA	(1 << 8)	/* sx, a */
#define R1_APP_CMD		(1 << 5)	/* sr, c */

/* These are unpacked versions of the actual responses */

struct _mmc_csd {
	u8  csd_structure;
	u8  spec_vers;
	u8  taac;
	u8  nsac;
	u8  tran_speed;
	u16 ccc;
	u8  read_bl_len;
	u8  read_bl_partial;
	u8  write_blk_misalign;
	u8  read_blk_misalign;
	u8  dsr_imp;
	u16 c_size;
	u8  vdd_r_curr_min;
	u8  vdd_r_curr_max;
	u8  vdd_w_curr_min;
	u8  vdd_w_curr_max;
	u8  c_size_mult;
	union {
		struct { /* MMC system specification version 3.1 */
			u8  erase_grp_size;
			u8  erase_grp_mult;
		} v31;
		struct { /* MMC system specification version 2.2 */
			u8  sector_size;
			u8  erase_grp_size;
		} v22;
	} erase;
	u8  wp_grp_size;
	u8  wp_grp_enable;
	u8  default_ecc;
	u8  r2w_factor;
	u8  write_bl_len;
	u8  write_bl_partial;
	u8  file_format_grp;
	u8  copy;
	u8  perm_write_protect;
	u8  tmp_write_protect;
	u8  file_format;
	u8  ecc;
};

#define MMC_VDD_145_150	0x00000001	/* VDD voltage 1.45 - 1.50 */
#define MMC_VDD_150_155	0x00000002	/* VDD voltage 1.50 - 1.55 */
#define MMC_VDD_155_160	0x00000004	/* VDD voltage 1.55 - 1.60 */
#define MMC_VDD_160_165	0x00000008	/* VDD voltage 1.60 - 1.65 */
#define MMC_VDD_165_170	0x00000010	/* VDD voltage 1.65 - 1.70 */
#define MMC_VDD_17_18	0x00000020	/* VDD voltage 1.7 - 1.8 */
#define MMC_VDD_18_19	0x00000040	/* VDD voltage 1.8 - 1.9 */
#define MMC_VDD_19_20	0x00000080	/* VDD voltage 1.9 - 2.0 */
#define MMC_VDD_20_21	0x00000100	/* VDD voltage 2.0 ~ 2.1 */
#define MMC_VDD_21_22	0x00000200	/* VDD voltage 2.1 ~ 2.2 */
#define MMC_VDD_22_23	0x00000400	/* VDD voltage 2.2 ~ 2.3 */
#define MMC_VDD_23_24	0x00000800	/* VDD voltage 2.3 ~ 2.4 */
#define MMC_VDD_24_25	0x00001000	/* VDD voltage 2.4 ~ 2.5 */
#define MMC_VDD_25_26	0x00002000	/* VDD voltage 2.5 ~ 2.6 */
#define MMC_VDD_26_27	0x00004000	/* VDD voltage 2.6 ~ 2.7 */
#define MMC_VDD_27_28	0x00008000	/* VDD voltage 2.7 ~ 2.8 */
#define MMC_VDD_28_29	0x00010000	/* VDD voltage 2.8 ~ 2.9 */
#define MMC_VDD_29_30	0x00020000	/* VDD voltage 2.9 ~ 3.0 */
#define MMC_VDD_30_31	0x00040000	/* VDD voltage 3.0 ~ 3.1 */
#define MMC_VDD_31_32	0x00080000	/* VDD voltage 3.1 ~ 3.2 */
#define MMC_VDD_32_33	0x00100000	/* VDD voltage 3.2 ~ 3.3 */
#define MMC_VDD_33_34	0x00200000	/* VDD voltage 3.3 ~ 3.4 */
#define MMC_VDD_34_35	0x00400000	/* VDD voltage 3.4 ~ 3.5 */
#define MMC_VDD_35_36	0x00800000	/* VDD voltage 3.5 ~ 3.6 */
#define MMC_CARD_BUSY	0x80000000	/* Card Power up status bit */

/*
 * Card Command Classes (CCC)
 */
#define CCC_BASIC		(1<<0)	/* (0) Basic protocol functions */
					/* (CMD0,1,2,3,4,7,9,10,12,13,15) */
#define CCC_STREAM_READ		(1<<1)	/* (1) Stream read commands */
					/* (CMD11) */
#define CCC_BLOCK_READ		(1<<2)	/* (2) Block read commands */
					/* (CMD16,17,18) */
#define CCC_STREAM_WRITE	(1<<3)	/* (3) Stream write commands */
					/* (CMD20) */
#define CCC_BLOCK_WRITE		(1<<4)	/* (4) Block write commands */
					/* (CMD16,24,25,26,27) */
#define CCC_ERASE		(1<<5)	/* (5) Ability to erase blocks */
					/* (CMD32,33,34,35,36,37,38,39) */
#define CCC_WRITE_PROT		(1<<6)	/* (6) Able to write protect blocks */
					/* (CMD28,29,30) */
#define CCC_LOCK_CARD		(1<<7)	/* (7) Able to lock down card */
					/* (CMD16,CMD42) */
#define CCC_APP_SPEC		(1<<8)	/* (8) Application specific */
					/* (CMD55,56,57,ACMD*) */
#define CCC_IO_MODE		(1<<9)	/* (9) I/O mode */
					/* (CMD5,39,40,52,53) */
#define CCC_SWITCH		(1<<10)	/* (10) High speed switch */
					/* (CMD6,34,35,36,37,50) */
					/* (11) Reserved */
					/* (CMD?) */

/*
 * CSD field definitions
 */

#define CSD_STRUCT_VER_1_0  0           /* Valid for system specification 1.0 - 1.2 */
#define CSD_STRUCT_VER_1_1  1           /* Valid for system specification 1.4 - 2.2 */
#define CSD_STRUCT_VER_1_2  2           /* Valid for system specification 3.1       */

#define CSD_SPEC_VER_0      0           /* Implements system specification 1.0 - 1.2 */
#define CSD_SPEC_VER_1      1           /* Implements system specification 1.4 */
#define CSD_SPEC_VER_2      2           /* Implements system specification 2.0 - 2.2 */
#define CSD_SPEC_VER_3      3           /* Implements system specification 3.1 */


/*
 * SD bus widths
 */
#define SD_BUS_WIDTH_1      0
#define SD_BUS_WIDTH_4      2

#endif  /* MMC_MMC_PROTOCOL_H */
Commit	Line	Data
1da177e4 LT	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 <[email protected]>
	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 (3.1) 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_SELECT_CARD 7 /* ac [31:16] RCA R1 */
	36	#define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
	37	#define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
	38	#define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
	39	#define MMC_STOP_TRANSMISSION 12 /* ac R1b */
	40	#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
	41	#define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
	42
	43	/* class 2 */
	44	#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
	45	#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
	46	#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
	47
	48	/* class 3 */
	49	#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
	50
	51	/* class 4 */
	52	#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
	53	#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
	54	#define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
	55	#define MMC_PROGRAM_CID 26 /* adtc R1 */
	56	#define MMC_PROGRAM_CSD 27 /* adtc R1 */
	57
	58	/* class 6 */
	59	#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
	60	#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
	61	#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
	62
	63	/* class 5 */
	64	#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
65	#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
24117def	66	#define MMC_ERASE 38 /* ac R1b */
1da177e4 LT	67
	68	/* class 9 */
	69	#define MMC_FAST_IO 39 /* ac <Complex> R4 */
	70	#define MMC_GO_IRQ_STATE 40 /* bcr R5 */
	71
	72	/* class 7 */
	73	#define MMC_LOCK_UNLOCK 42 /* adtc R1b */
	74
	75	/* class 8 */
	76	#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
24117def	77	#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
1da177e4 LT	78
	79	/* SD commands type argument response */
	80	/* class 8 */
	81	/* This is basically the same command as for MMC with some quirks. */
e9225176	82	#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */
1da177e4 LT	83
	84	/* Application commands */
	85	#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
ec5a19dd	86	#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
1da177e4 LT	87	#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
	88	#define SD_APP_SEND_SCR 51 /* adtc R1 */
	89
	90	/*
	91	MMC status in R1
	92	Type
	93	e : error bit
	94	s : status bit
	95	r : detected and set for the actual command response
	96	x : detected and set during command execution. the host must poll
	97	the card by sending status command in order to read these bits.
	98	Clear condition
	99	a : according to the card state
	100	b : always related to the previous command. Reception of
	101	a valid command will clear it (with a delay of one command)
	102	c : clear by read
	103	*/
	104
	105	#define R1_OUT_OF_RANGE (1 << 31) /* er, c */
	106	#define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
	107	#define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
	108	#define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
	109	#define R1_ERASE_PARAM (1 << 27) /* ex, c */
	110	#define R1_WP_VIOLATION (1 << 26) /* erx, c */
	111	#define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
	112	#define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
	113	#define R1_COM_CRC_ERROR (1 << 23) /* er, b */
	114	#define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
	115	#define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
	116	#define R1_CC_ERROR (1 << 20) /* erx, c */
	117	#define R1_ERROR (1 << 19) /* erx, c */
	118	#define R1_UNDERRUN (1 << 18) /* ex, c */
	119	#define R1_OVERRUN (1 << 17) /* ex, c */
	120	#define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
	121	#define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
	122	#define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
	123	#define R1_ERASE_RESET (1 << 13) /* sr, c */
	124	#define R1_STATUS(x) (x & 0xFFFFE000)
	125	#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
	126	#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
	127	#define R1_APP_CMD (1 << 5) /* sr, c */
	128
	129	/* These are unpacked versions of the actual responses */
	130
	131	struct _mmc_csd {
	132	u8 csd_structure;
	133	u8 spec_vers;
	134	u8 taac;
	135	u8 nsac;
	136	u8 tran_speed;
	137	u16 ccc;
	138	u8 read_bl_len;
	139	u8 read_bl_partial;
	140	u8 write_blk_misalign;
	141	u8 read_blk_misalign;
	142	u8 dsr_imp;
	143	u16 c_size;
	144	u8 vdd_r_curr_min;
	145	u8 vdd_r_curr_max;
	146	u8 vdd_w_curr_min;
	147	u8 vdd_w_curr_max;
	148	u8 c_size_mult;
	149	union {
	150	struct { /* MMC system specification version 3.1 */
151	u8 erase_grp_size;
152	u8 erase_grp_mult;
153	} v31;
154	struct { /* MMC system specification version 2.2 */
155	u8 sector_size;
156	u8 erase_grp_size;
157	} v22;
158	} erase;
159	u8 wp_grp_size;
160	u8 wp_grp_enable;
161	u8 default_ecc;
162	u8 r2w_factor;
163	u8 write_bl_len;
164	u8 write_bl_partial;
165	u8 file_format_grp;
166	u8 copy;
167	u8 perm_write_protect;
168	u8 tmp_write_protect;
169	u8 file_format;
170	u8 ecc;
171	};
172
173	#define MMC_VDD_145_150 0x00000001 /* VDD voltage 1.45 - 1.50 */
174	#define MMC_VDD_150_155 0x00000002 /* VDD voltage 1.50 - 1.55 */
175	#define MMC_VDD_155_160 0x00000004 /* VDD voltage 1.55 - 1.60 */
176	#define MMC_VDD_160_165 0x00000008 /* VDD voltage 1.60 - 1.65 */
177	#define MMC_VDD_165_170 0x00000010 /* VDD voltage 1.65 - 1.70 */
178	#define MMC_VDD_17_18 0x00000020 /* VDD voltage 1.7 - 1.8 */
179	#define MMC_VDD_18_19 0x00000040 /* VDD voltage 1.8 - 1.9 */
180	#define MMC_VDD_19_20 0x00000080 /* VDD voltage 1.9 - 2.0 */
181	#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
182	#define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */
183	#define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */
184	#define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */
185	#define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */
186	#define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */
187	#define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */
188	#define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */
189	#define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */
190	#define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */
191	#define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */
192	#define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */
193	#define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */
194	#define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */
195	#define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */
196	#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */
197	#define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */
198
912490db PO	199	/*
	200	* Card Command Classes (CCC)
	201	*/
	202	#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
	203	/* (CMD0,1,2,3,4,7,9,10,12,13,15) */
	204	#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
	205	/* (CMD11) */
	206	#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
	207	/* (CMD16,17,18) */
	208	#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
	209	/* (CMD20) */
	210	#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
	211	/* (CMD16,24,25,26,27) */
	212	#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
	213	/* (CMD32,33,34,35,36,37,38,39) */
	214	#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
	215	/* (CMD28,29,30) */
	216	#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
	217	/* (CMD16,CMD42) */
	218	#define CCC_APP_SPEC (1<<8) /* (8) Application specific */
	219	/* (CMD55,56,57,ACMD) /
	220	#define CCC_IO_MODE (1<<9) /* (9) I/O mode */
	221	/* (CMD5,39,40,52,53) */
	222	#define CCC_SWITCH (1<<10) /* (10) High speed switch */
	223	/* (CMD6,34,35,36,37,50) */
	224	/* (11) Reserved */
	225	/* (CMD?) */
1da177e4 LT	226
	227	/*
	228	* CSD field definitions
	229	*/
	230
	231	#define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */
	232	#define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */
	233	#define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 */
	234
	235	#define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */
	236	#define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */
	237	#define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
	238	#define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 */
	239
f218278a PO	240
	241	/*
	242	* SD bus widths
	243	*/
	244	#define SD_BUS_WIDTH_1 0
	245	#define SD_BUS_WIDTH_4 2
	246
1da177e4 LT	247	#endif /* MMC_MMC_PROTOCOL_H */
1da177e4 LT	248