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Diffstat (limited to 'include/linux/mmc/protocol.h')
| -rw-r--r-- | include/linux/mmc/protocol.h | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/protocol.h deleted file mode 100644 index c90b676..0000000 --- a/include/linux/mmc/protocol.h +++ /dev/null @@ -1,327 +0,0 @@ -/* - * 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 <tolkien@mizi.com> - * 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 (4.1) 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_SWITCH 6 /* ac [31:0] See below R1b */ -#define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */ -#define MMC_SEND_EXT_CSD 8 /* adtc 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 0 */ -/* This is basically the same command as for MMC with some quirks. */ -#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */ -#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */ - - /* class 10 */ -#define SD_SWITCH 6 /* adtc [31:0] See below R1 */ - - /* 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_SWITCH argument format: - * - * [31:26] Always 0 - * [25:24] Access Mode - * [23:16] Location of target Byte in EXT_CSD - * [15:08] Value Byte - * [07:03] Always 0 - * [02:00] Command Set - */ - -/* - * SD_SWITCH argument format: - * - * [31] Check (0) or switch (1) - * [30:24] Reserved (0) - * [23:20] Function group 6 - * [19:16] Function group 5 - * [15:12] Function group 4 - * [11:8] Function group 3 - * [7:4] Function group 2 - * [3:0] Function group 1 - */ - -/* - * SD_SEND_IF_COND argument format: - * - * [31:12] Reserved (0) - * [11:8] Host Voltage Supply Flags - * [7:0] Check Pattern (0xAA) - */ - -/* - 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 - 3.2 - 3.31 - 4.0 - 4.1 */ -#define CSD_STRUCT_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */ - -#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 - 3.2 - 3.31 */ -#define CSD_SPEC_VER_4 4 /* Implements system specification 4.0 - 4.1 */ - -/* - * EXT_CSD fields - */ - -#define EXT_CSD_BUS_WIDTH 183 /* R/W */ -#define EXT_CSD_HS_TIMING 185 /* R/W */ -#define EXT_CSD_CARD_TYPE 196 /* RO */ - -/* - * EXT_CSD field definitions - */ - -#define EXT_CSD_CMD_SET_NORMAL (1<<0) -#define EXT_CSD_CMD_SET_SECURE (1<<1) -#define EXT_CSD_CMD_SET_CPSECURE (1<<2) - -#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */ -#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */ - -#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */ -#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ -#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */ - -/* - * MMC_SWITCH access modes - */ - -#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */ -#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits which are 1 in value */ -#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */ -#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */ - -/* - * SCR field definitions - */ - -#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */ -#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */ -#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */ - -/* - * SD bus widths - */ -#define SD_BUS_WIDTH_1 0 -#define SD_BUS_WIDTH_4 2 - -#endif /* MMC_MMC_PROTOCOL_H */ - 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