summaryrefslogtreecommitdiffstats
path: root/include/linux/mmc/protocol.h
diff options
context:
space:
mode:
authorPierre Ossman <drzeus@drzeus.cx>2006-12-24 22:46:55 +0100
committerPierre Ossman <drzeus@drzeus.cx>2007-05-01 13:04:18 +0200
commitda7fbe58d2d347e95af699ddf04d885be6362bbe (patch)
tree560df47c41bb64ace46f82f9fa5e2fabc8bafbab /include/linux/mmc/protocol.h
parentaaac1b470bd0dccb30912356617069dc6199cc80 (diff)
downloadop-kernel-dev-da7fbe58d2d347e95af699ddf04d885be6362bbe.zip
op-kernel-dev-da7fbe58d2d347e95af699ddf04d885be6362bbe.tar.gz
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/linux/mmc/protocol.h')
-rw-r--r--include/linux/mmc/protocol.h307
1 files changed, 0 insertions, 307 deletions
diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/protocol.h
deleted file mode 100644
index 3ca91a6..0000000
--- a/include/linux/mmc/protocol.h
+++ /dev/null
@@ -1,307 +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;
-};
-
-/*
- * OCR bits are mostly in host.h
- */
-#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 */
-#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
-
-/*
- * 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 */
-
OpenPOWER on IntegriCloud