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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 e45712acfac..badf702fcff 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 00000000000..04bbe12fae8
--- /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 bfcef8a1ad8..b1350dfd3e9 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 cdc54be804f..e3ed9b95040 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 c90b6768329..00000000000
--- 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 00000000000..f310062cffb
--- /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
+