diff options
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/card.h | 32 | ||||
| -rw-r--r-- | include/linux/mmc/core.h | 112 | ||||
| -rw-r--r-- | include/linux/mmc/host.h | 59 | ||||
| -rw-r--r-- | include/linux/mmc/mmc.h | 322 | ||||
| -rw-r--r-- | include/linux/mmc/protocol.h | 327 | ||||
| -rw-r--r-- | include/linux/mmc/sd.h | 83 |
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 @@ #ifndef LINUX_MMC_CARD_H #define LINUX_MMC_CARD_H -#include <linux/mmc/mmc.h> +#include <linux/mmc/core.h> struct mmc_cid { unsigned int manfid; @@ -41,6 +41,7 @@ struct mmc_csd { struct mmc_ext_csd { unsigned int hs_max_dtr; + unsigned int sectors; }; struct sd_scr { @@ -60,18 +61,17 @@ struct mmc_host; * MMC device */ struct mmc_card { - struct list_head node; /* node in hosts devices list */ struct mmc_host *host; /* the host this device belongs to */ struct device dev; /* the device */ unsigned int rca; /* relative card address of device */ + unsigned int type; /* card type */ +#define MMC_TYPE_MMC 0 /* MMC card */ +#define MMC_TYPE_SD 1 /* SD card */ unsigned int state; /* (our) card state */ #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ -#define MMC_STATE_DEAD (1<<1) /* device no longer in stack */ -#define MMC_STATE_BAD (1<<2) /* unrecognised device */ -#define MMC_STATE_SDCARD (1<<3) /* is an SD card */ -#define MMC_STATE_READONLY (1<<4) /* card is read-only */ -#define MMC_STATE_HIGHSPEED (1<<5) /* card is in high speed mode */ -#define MMC_STATE_BLOCKADDR (1<<6) /* card uses block-addressing */ +#define MMC_STATE_READONLY (1<<1) /* card is read-only */ +#define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */ +#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */ u32 raw_cid[4]; /* raw card CID */ u32 raw_csd[4]; /* raw card CSD */ u32 raw_scr[2]; /* raw card SCR */ @@ -82,18 +82,15 @@ struct mmc_card { struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ }; +#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC) +#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD) + #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) -#define mmc_card_dead(c) ((c)->state & MMC_STATE_DEAD) -#define mmc_card_bad(c) ((c)->state & MMC_STATE_BAD) -#define mmc_card_sd(c) ((c)->state & MMC_STATE_SDCARD) #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED) #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) -#define mmc_card_set_dead(c) ((c)->state |= MMC_STATE_DEAD) -#define mmc_card_set_bad(c) ((c)->state |= MMC_STATE_BAD) -#define mmc_card_set_sd(c) ((c)->state |= MMC_STATE_SDCARD) #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED) #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) @@ -119,11 +116,4 @@ struct mmc_driver { extern int mmc_register_driver(struct mmc_driver *); extern void mmc_unregister_driver(struct mmc_driver *); -static inline int mmc_card_claim_host(struct mmc_card *card) -{ - return __mmc_claim_host(card->host, card); -} - -#define mmc_card_release_host(c) mmc_release_host((c)->host) - #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 @@ +/* + * linux/include/linux/mmc/core.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef LINUX_MMC_CORE_H +#define LINUX_MMC_CORE_H + +#include <linux/interrupt.h> +#include <linux/device.h> + +struct request; +struct mmc_data; +struct mmc_request; + +struct mmc_command { + u32 opcode; + u32 arg; + u32 resp[4]; + unsigned int flags; /* expected response type */ +#define MMC_RSP_PRESENT (1 << 0) +#define MMC_RSP_136 (1 << 1) /* 136 bit response */ +#define MMC_RSP_CRC (1 << 2) /* expect valid crc */ +#define MMC_RSP_BUSY (1 << 3) /* card may send busy */ +#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */ +#define MMC_CMD_MASK (3 << 5) /* command type */ +#define MMC_CMD_AC (0 << 5) +#define MMC_CMD_ADTC (1 << 5) +#define MMC_CMD_BC (2 << 5) +#define MMC_CMD_BCR (3 << 5) + +/* + * These are the response types, and correspond to valid bit + * patterns of the above flags. One additional valid pattern + * is all zeros, which means we don't expect a response. + */ +#define MMC_RSP_NONE (0) +#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) +#define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY) +#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC) +#define MMC_RSP_R3 (MMC_RSP_PRESENT) +#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) +#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) + +#define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE)) + +/* + * These are the command types. + */ +#define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK) + + unsigned int retries; /* max number of retries */ + unsigned int error; /* command error */ + +#define MMC_ERR_NONE 0 +#define MMC_ERR_TIMEOUT 1 +#define MMC_ERR_BADCRC 2 +#define MMC_ERR_FIFO 3 +#define MMC_ERR_FAILED 4 +#define MMC_ERR_INVALID 5 + + struct mmc_data *data; /* data segment associated with cmd */ + struct mmc_request *mrq; /* associated request */ +}; + +struct mmc_data { + unsigned int timeout_ns; /* data timeout (in ns, max 80ms) */ + unsigned int timeout_clks; /* data timeout (in clocks) */ + unsigned int blksz; /* data block size */ + unsigned int blocks; /* number of blocks */ + unsigned int error; /* data error */ + unsigned int flags; + +#define MMC_DATA_WRITE (1 << 8) +#define MMC_DATA_READ (1 << 9) +#define MMC_DATA_STREAM (1 << 10) +#define MMC_DATA_MULTI (1 << 11) + + unsigned int bytes_xfered; + + struct mmc_command *stop; /* stop command */ + struct mmc_request *mrq; /* associated request */ + + unsigned int sg_len; /* size of scatter list */ + struct scatterlist *sg; /* I/O scatter list */ +}; + +struct mmc_request { + struct mmc_command *cmd; + struct mmc_data *data; + struct mmc_command *stop; + + void *done_data; /* completion data */ + void (*done)(struct mmc_request *);/* completion function */ +}; + +struct mmc_host; +struct mmc_card; + +extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *); +extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int); +extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *, + struct mmc_command *, int); + +extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int); + +extern void mmc_claim_host(struct mmc_host *host); +extern void mmc_release_host(struct mmc_host *host); + +#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 @@ #ifndef LINUX_MMC_HOST_H #define LINUX_MMC_HOST_H -#include <linux/mmc/mmc.h> +#include <linux/mmc/core.h> struct mmc_ios { unsigned int clock; /* clock rate */ unsigned short vdd; -#define MMC_VDD_150 0 -#define MMC_VDD_155 1 -#define MMC_VDD_160 2 -#define MMC_VDD_165 3 -#define MMC_VDD_170 4 -#define MMC_VDD_180 5 -#define MMC_VDD_190 6 -#define MMC_VDD_200 7 -#define MMC_VDD_210 8 -#define MMC_VDD_220 9 -#define MMC_VDD_230 10 -#define MMC_VDD_240 11 -#define MMC_VDD_250 12 -#define MMC_VDD_260 13 -#define MMC_VDD_270 14 -#define MMC_VDD_280 15 -#define MMC_VDD_290 16 -#define MMC_VDD_300 17 -#define MMC_VDD_310 18 -#define MMC_VDD_320 19 -#define MMC_VDD_330 20 -#define MMC_VDD_340 21 -#define MMC_VDD_350 22 -#define MMC_VDD_360 23 +/* vdd stores the bit number of the selected voltage range from below. */ unsigned char bus_mode; /* command output mode */ @@ -88,6 +65,24 @@ struct mmc_host { unsigned int f_max; u32 ocr_avail; +#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ +#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 */ + unsigned long caps; /* Host capabilities */ #define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */ @@ -106,6 +101,8 @@ struct mmc_host { unsigned int max_blk_count; /* maximum number of blocks in one req */ /* private data */ + spinlock_t lock; /* lock for claim and bus ops */ + struct mmc_ios ios; /* current io bus settings */ u32 ocr; /* the current OCR setting */ @@ -113,15 +110,19 @@ struct mmc_host { #define MMC_MODE_MMC 0 #define MMC_MODE_SD 1 - struct list_head cards; /* devices attached to this host */ + struct mmc_card *card; /* device attached to this host */ wait_queue_head_t wq; - spinlock_t lock; /* claimed lock */ unsigned int claimed:1; /* host exclusively claimed */ - struct mmc_card *card_selected; /* the selected MMC card */ - struct delayed_work detect; +#ifdef CONFIG_MMC_DEBUG + unsigned int removed:1; /* host is being removed */ +#endif + + const struct mmc_bus_ops *bus_ops; /* current bus driver */ + unsigned int bus_refs; /* reference counter */ + unsigned int bus_dead:1; /* bus has been released */ unsigned long private[0] ____cacheline_aligned; }; 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 @@ /* - * linux/include/linux/mmc/mmc.h + * Header for MultiMediaCard (MMC) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. + * 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_H -#define MMC_H - -#include <linux/list.h> -#include <linux/interrupt.h> -#include <linux/device.h> - -struct request; -struct mmc_data; -struct mmc_request; - -struct mmc_command { - u32 opcode; - u32 arg; - u32 resp[4]; - unsigned int flags; /* expected response type */ -#define MMC_RSP_PRESENT (1 << 0) -#define MMC_RSP_136 (1 << 1) /* 136 bit response */ -#define MMC_RSP_CRC (1 << 2) /* expect valid crc */ -#define MMC_RSP_BUSY (1 << 3) /* card may send busy */ -#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */ -#define MMC_CMD_MASK (3 << 5) /* command type */ -#define MMC_CMD_AC (0 << 5) -#define MMC_CMD_ADTC (1 << 5) -#define MMC_CMD_BC (2 << 5) -#define MMC_CMD_BCR (3 << 5) + +#ifndef MMC_MMC_H +#define MMC_MMC_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 */ /* - * These are the response types, and correspond to valid bit - * patterns of the above flags. One additional valid pattern - * is all zeros, which means we don't expect a response. + * 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 */ -#define MMC_RSP_NONE (0) -#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) -#define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY) -#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC) -#define MMC_RSP_R3 (MMC_RSP_PRESENT) -#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) -#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) - -#define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE)) /* - * These are the command types. + 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 mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK) - unsigned int retries; /* max number of retries */ - unsigned int error; /* command error */ +#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 */ -#define MMC_ERR_NONE 0 -#define MMC_ERR_TIMEOUT 1 -#define MMC_ERR_BADCRC 2 -#define MMC_ERR_FIFO 3 -#define MMC_ERR_FAILED 4 -#define MMC_ERR_INVALID 5 +/* These are unpacked versions of the actual responses */ - struct mmc_data *data; /* data segment associated with cmd */ - struct mmc_request *mrq; /* associated request */ +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; }; -struct mmc_data { - unsigned int timeout_ns; /* data timeout (in ns, max 80ms) */ - unsigned int timeout_clks; /* data timeout (in clocks) */ - unsigned int blksz; /* data block size */ - unsigned int blocks; /* number of blocks */ - unsigned int error; /* data error */ - unsigned int flags; +/* + * OCR bits are mostly in host.h + */ +#define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */ -#define MMC_DATA_WRITE (1 << 8) -#define MMC_DATA_READ (1 << 9) -#define MMC_DATA_STREAM (1 << 10) -#define MMC_DATA_MULTI (1 << 11) +/* + * 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?) */ - unsigned int bytes_xfered; +/* + * CSD field definitions + */ - struct mmc_command *stop; /* stop command */ - struct mmc_request *mrq; /* associated request */ +#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 */ - unsigned int sg_len; /* size of scatter list */ - struct scatterlist *sg; /* I/O scatter list */ -}; +#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 */ -struct mmc_request { - struct mmc_command *cmd; - struct mmc_data *data; - struct mmc_command *stop; +/* + * EXT_CSD fields + */ - void *done_data; /* completion data */ - void (*done)(struct mmc_request *);/* completion function */ -}; +#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 + */ -struct mmc_host; -struct mmc_card; +#define EXT_CSD_CMD_SET_NORMAL (1<<0) +#define EXT_CSD_CMD_SET_SECURE (1<<1) +#define EXT_CSD_CMD_SET_CPSECURE (1<<2) -extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *); -extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int); -extern int mmc_wait_for_app_cmd(struct mmc_host *, unsigned int, - struct mmc_command *, int); +#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 */ -extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int); +#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 */ -extern int __mmc_claim_host(struct mmc_host *host, struct mmc_card *card); +/* + * MMC_SWITCH access modes + */ -static inline void mmc_claim_host(struct mmc_host *host) -{ - __mmc_claim_host(host, (struct mmc_card *)-1); -} +#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 */ -extern void mmc_release_host(struct mmc_host *host); +#endif /* MMC_MMC_PROTOCOL_H */ -#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 @@ -/* - * 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 */ - 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 @@ +/* + * include/linux/mmc/sd.h + * + * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#ifndef MMC_SD_H +#define MMC_SD_H + +/* 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 */ + +/* + * 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) + */ + +/* + * 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 + +/* + * SD_SWITCH mode + */ +#define SD_SWITCH_CHECK 0 +#define SD_SWITCH_SET 1 + +/* + * SD_SWITCH function groups + */ +#define SD_SWITCH_GRP_ACCESS 0 + +/* + * SD_SWITCH access modes + */ +#define SD_SWITCH_ACCESS_DEF 0 +#define SD_SWITCH_ACCESS_HS 1 + +#endif + |