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NetBSD/sys/dev/sdmmc/sdmmcreg.h

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/* $NetBSD: sdmmcreg.h,v 1.7 2011/02/13 07:25:56 nonaka Exp $ */
/* $OpenBSD: sdmmcreg.h,v 1.4 2009/01/09 10:55:22 jsg Exp $ */
/*
* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SDMMCREG_H_
#define _SDMMCREG_H_
/* MMC commands */ /* response type */
#define MMC_GO_IDLE_STATE 0 /* R0 */
#define MMC_SEND_OP_COND 1 /* R3 */
#define MMC_ALL_SEND_CID 2 /* R2 */
#define MMC_SET_RELATIVE_ADDR 3 /* R1 */
#define MMC_SWITCH 6 /* R1b */
#define MMC_SELECT_CARD 7 /* R1 */
#define MMC_SEND_EXT_CSD 8 /* R1 */
#define MMC_SEND_CSD 9 /* R2 */
#define MMC_SEND_CID 10 /* R2 */
#define MMC_STOP_TRANSMISSION 12 /* R1b */
#define MMC_SEND_STATUS 13 /* R1 */
#define MMC_INACTIVE_STATE 15 /* R0 */
#define MMC_SET_BLOCKLEN 16 /* R1 */
#define MMC_READ_BLOCK_SINGLE 17 /* R1 */
#define MMC_READ_BLOCK_MULTIPLE 18 /* R1 */
#define MMC_SET_BLOCK_COUNT 23 /* R1 */
#define MMC_WRITE_BLOCK_SINGLE 24 /* R1 */
#define MMC_WRITE_BLOCK_MULTIPLE 25 /* R1 */
#define MMC_PROGRAM_CSD 27 /* R1 */
#define MMC_SET_WRITE_PROT 28 /* R1b */
#define MMC_SET_CLR_WRITE_PROT 29 /* R1b */
#define MMC_SET_SEND_WRITE_PROT 30 /* R1 */
#define MMC_TAG_SECTOR_START 32 /* R1 */
#define MMC_TAG_SECTOR_END 33 /* R1 */
#define MMC_UNTAG_SECTOR 34 /* R1 */
#define MMC_TAG_ERASE_GROUP_START 35 /* R1 */
#define MMC_TAG_ERASE_GROUP_END 36 /* R1 */
#define MMC_UNTAG_ERASE_GROUP 37 /* R1 */
#define MMC_ERASE 38 /* R1b */
#define MMC_LOCK_UNLOCK 42 /* R1b */
#define MMC_APP_CMD 55 /* R1 */
#define MMC_READ_OCR 58 /* R3 */
/* SD commands */ /* response type */
#define SD_SEND_RELATIVE_ADDR 3 /* R6 */
#define SD_SEND_SWITCH_FUNC 6 /* R1 */
#define SD_SEND_IF_COND 8 /* R7 */
/* SD application commands */ /* response type */
#define SD_APP_SET_BUS_WIDTH 6 /* R1 */
#define SD_APP_OP_COND 41 /* R3 */
#define SD_APP_SEND_SCR 51 /* R1 */
/* OCR bits */
#define MMC_OCR_MEM_READY (1U<<31)/* memory power-up status bit */
#define MMC_OCR_HCS (1<<30)
#define MMC_OCR_3_5V_3_6V (1<<23)
#define MMC_OCR_3_4V_3_5V (1<<22)
#define MMC_OCR_3_3V_3_4V (1<<21)
#define MMC_OCR_3_2V_3_3V (1<<20)
#define MMC_OCR_3_1V_3_2V (1<<19)
#define MMC_OCR_3_0V_3_1V (1<<18)
#define MMC_OCR_2_9V_3_0V (1<<17)
#define MMC_OCR_2_8V_2_9V (1<<16)
#define MMC_OCR_2_7V_2_8V (1<<15)
#define MMC_OCR_2_6V_2_7V (1<<14)
#define MMC_OCR_2_5V_2_6V (1<<13)
#define MMC_OCR_2_4V_2_5V (1<<12)
#define MMC_OCR_2_3V_2_4V (1<<11)
#define MMC_OCR_2_2V_2_3V (1<<10)
#define MMC_OCR_2_1V_2_2V (1<<9)
#define MMC_OCR_2_0V_2_1V (1<<8)
#define MMC_OCR_1_9V_2_0V (1<<7)
#define MMC_OCR_1_8V_1_9V (1<<6)
#define MMC_OCR_1_7V_1_8V (1<<5)
#define MMC_OCR_1_6V_1_7V (1<<4)
/* R1 response type bits */
#define MMC_R1_READY_FOR_DATA (1<<8) /* ready for next transfer */
#define MMC_R1_APP_CMD (1<<5) /* app. commands supported */
/* 48-bit response decoding (32 bits w/o CRC) */
#define MMC_R1(resp) ((resp)[0])
#define MMC_R3(resp) ((resp)[0])
#define SD_R6(resp) ((resp)[0])
#define MMC_R7(resp) ((resp)[0])
#define MMC_SPI_R1(resp) ((resp)[0])
#define MMC_SPI_R7(resp) ((resp)[1])
/* RCA argument and response */
#define MMC_ARG_RCA(rca) ((rca) << 16)
#define SD_R6_RCA(resp) (SD_R6((resp)) >> 16)
/* bus width argument */
#define SD_ARG_BUS_WIDTH_1 0
#define SD_ARG_BUS_WIDTH_4 2
/* EXT_CSD fields */
#define EXT_CSD_BUS_WIDTH 183 /* WO */
#define EXT_CSD_HS_TIMING 185 /* R/W */
#define EXT_CSD_REV 192 /* RO */
#define EXT_CSD_STRUCTURE 194 /* RO */
#define EXT_CSD_CARD_TYPE 196 /* RO */
/* EXT_CSD field definitions */
#define EXT_CSD_CMD_SET_NORMAL (1U << 0)
#define EXT_CSD_CMD_SET_SECURE (1U << 1)
#define EXT_CSD_CMD_SET_CPSECURE (1U << 2)
/* EXT_CSD_BUS_WIDTH */
#define EXT_CSD_BUS_WIDTH_1 0 /* 1 bit mode */
#define EXT_CSD_BUS_WIDTH_4 1 /* 4 bit mode */
#define EXT_CSD_BUS_WIDTH_8 2 /* 8 bit mode */
/* EXT_CSD_STRUCTURE */
#define EXT_CSD_STRUCTURE_VER_1_0 0 /* CSD Version No.1.0 */
#define EXT_CSD_STRUCTURE_VER_1_1 1 /* CSD Version No.1.1 */
#define EXT_CSD_STRUCTURE_VER_1_2 2 /* Version 4.1-4.2-4.3 */
/* EXT_CSD_CARD_TYPE */
#define EXT_CSD_CARD_TYPE_26M (1 << 0)
#define EXT_CSD_CARD_TYPE_52M (1 << 1)
/* MMC_SWITCH access mode */
#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits in value */
#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits in value */
#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
/* SPI mode reports R1/R2(SEND_STATUS) status. */
#define R1_SPI_IDLE (1 << 0)
#define R1_SPI_ERASE_RESET (1 << 1)
#define R1_SPI_ILLEGAL_COMMAND (1 << 2)
#define R1_SPI_COM_CRC (1 << 3)
#define R1_SPI_ERASE_SEQ (1 << 4)
#define R1_SPI_ADDRESS (1 << 5)
#define R1_SPI_PARAMETER (1 << 6)
/* R1 bit 7 is always zero */
#define R2_SPI_CARD_LOCKED (1 << 8)
#define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */
#define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP
#define R2_SPI_ERROR (1 << 10)
#define R2_SPI_CC_ERROR (1 << 11)
#define R2_SPI_CARD_ECC_ERROR (1 << 12)
#define R2_SPI_WP_VIOLATION (1 << 13)
#define R2_SPI_ERASE_PARAM (1 << 14)
#define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */
#define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE
/* MMC R2 response (CSD) */
#define MMC_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2)
#define MMC_CSD_CSDVER_1_0 0
#define MMC_CSD_CSDVER_1_1 1
#define MMC_CSD_CSDVER_1_2 2 /* MMC 4.1 - 4.2 - 4.3 */
#define MMC_CSD_CSDVER_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */
#define MMC_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4)
#define MMC_CSD_MMCVER_1_0 0 /* MMC 1.0 - 1.2 */
#define MMC_CSD_MMCVER_1_4 1 /* MMC 1.4 */
#define MMC_CSD_MMCVER_2_0 2 /* MMC 2.0 - 2.2 */
#define MMC_CSD_MMCVER_3_1 3 /* MMC 3.1 - 3.3 */
#define MMC_CSD_MMCVER_4_0 4 /* MMC 4.1 - 4.2 - 4.3 */
#define MMC_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8)
#define MMC_CSD_TAAC_MANT(resp) MMC_RSP_BITS((resp), 115, 4)
#define MMC_CSD_TAAC_EXP(resp) MMC_RSP_BITS((resp), 112, 3)
#define MMC_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8)
#define MMC_CSD_TRAN_SPEED(resp) MMC_RSP_BITS((resp), 96, 8)
#define MMC_CSD_TRAN_SPEED_MANT(resp) MMC_RSP_BITS((resp), 99, 4)
#define MMC_CSD_TRAN_SPEED_EXP(resp) MMC_RSP_BITS((resp), 96, 3)
#define MMC_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4)
#define MMC_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12)
#define MMC_CSD_CAPACITY(resp) ((MMC_CSD_C_SIZE((resp))+1) << \
(MMC_CSD_C_SIZE_MULT((resp))+2))
#define MMC_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3)
#define MMC_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3)
#define MMC_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4)
/* MMC v1 R2 response (CID) */
#define MMC_CID_MID_V1(resp) MMC_RSP_BITS((resp), 104, 24)
#define MMC_CID_PNM_V1_CPY(resp, pnm) \
do { \
(pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
(pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
(pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
(pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
(pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
(pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \
(pnm)[6] = MMC_RSP_BITS((resp), 48, 8); \
(pnm)[7] = '\0'; \
} while (/*CONSTCOND*/0)
#define MMC_CID_REV_V1(resp) MMC_RSP_BITS((resp), 40, 8)
#define MMC_CID_PSN_V1(resp) MMC_RSP_BITS((resp), 16, 24)
#define MMC_CID_MDT_V1(resp) MMC_RSP_BITS((resp), 8, 8)
/* MMC v2 R2 response (CID) */
#define MMC_CID_MID_V2(resp) MMC_RSP_BITS((resp), 120, 8)
#define MMC_CID_OID_V2(resp) MMC_RSP_BITS((resp), 104, 16)
#define MMC_CID_PNM_V2_CPY(resp, pnm) \
do { \
(pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
(pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
(pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
(pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
(pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
(pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \
(pnm)[6] = '\0'; \
} while (/*CONSTCOND*/0)
#define MMC_CID_PSN_V2(resp) MMC_RSP_BITS((resp), 16, 32)
/* SD R2 response (CSD) */
#define SD_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2)
#define SD_CSD_CSDVER_1_0 0
#define SD_CSD_CSDVER_2_0 1
#define SD_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4)
#define SD_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8)
#define SD_CSD_TAAC_EXP(resp) MMC_RSP_BITS((resp), 115, 4)
#define SD_CSD_TAAC_MANT(resp) MMC_RSP_BITS((resp), 112, 3)
#define SD_CSD_TAAC_1_5_MSEC 0x26
#define SD_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8)
#define SD_CSD_SPEED(resp) MMC_RSP_BITS((resp), 96, 8)
#define SD_CSD_SPEED_MANT(resp) MMC_RSP_BITS((resp), 99, 4)
#define SD_CSD_SPEED_EXP(resp) MMC_RSP_BITS((resp), 96, 3)
#define SD_CSD_SPEED_25_MHZ 0x32
#define SD_CSD_SPEED_50_MHZ 0x5a
#define SD_CSD_CCC(resp) MMC_RSP_BITS((resp), 84, 12)
#define SD_CSD_CCC_BASIC (1 << 0) /* basic */
#define SD_CSD_CCC_BR (1 << 2) /* block read */
#define SD_CSD_CCC_BW (1 << 4) /* block write */
#define SD_CSD_CCC_ERACE (1 << 5) /* erase */
#define SD_CSD_CCC_WP (1 << 6) /* write protection */
#define SD_CSD_CCC_LC (1 << 7) /* lock card */
#define SD_CSD_CCC_AS (1 << 8) /*application specific*/
#define SD_CSD_CCC_IOM (1 << 9) /* I/O mode */
#define SD_CSD_CCC_SWITCH (1 << 10) /* switch */
#define SD_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4)
#define SD_CSD_READ_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 79, 1)
#define SD_CSD_WRITE_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 78, 1)
#define SD_CSD_READ_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 77, 1)
#define SD_CSD_DSR_IMP(resp) MMC_RSP_BITS((resp), 76, 1)
#define SD_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12)
#define SD_CSD_CAPACITY(resp) ((SD_CSD_C_SIZE((resp))+1) << \
(SD_CSD_C_SIZE_MULT((resp))+2))
#define SD_CSD_VDD_R_CURR_MIN(resp) MMC_RSP_BITS((resp), 59, 3)
#define SD_CSD_VDD_R_CURR_MAX(resp) MMC_RSP_BITS((resp), 56, 3)
#define SD_CSD_VDD_W_CURR_MIN(resp) MMC_RSP_BITS((resp), 53, 3)
#define SD_CSD_VDD_W_CURR_MAX(resp) MMC_RSP_BITS((resp), 50, 3)
#define SD_CSD_VDD_RW_CURR_100mA 0x7
#define SD_CSD_VDD_RW_CURR_80mA 0x6
#define SD_CSD_V2_C_SIZE(resp) MMC_RSP_BITS((resp), 48, 22)
#define SD_CSD_V2_CAPACITY(resp) ((SD_CSD_V2_C_SIZE((resp))+1) << 10)
#define SD_CSD_V2_BL_LEN 0x9 /* 512 */
#define SD_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3)
#define SD_CSD_ERASE_BLK_EN(resp) MMC_RSP_BITS((resp), 46, 1)
#define SD_CSD_SECTOR_SIZE(resp) MMC_RSP_BITS((resp), 39, 7) /* +1 */
#define SD_CSD_WP_GRP_SIZE(resp) MMC_RSP_BITS((resp), 32, 7) /* +1 */
#define SD_CSD_WP_GRP_ENABLE(resp) MMC_RSP_BITS((resp), 31, 1)
#define SD_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3)
#define SD_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4)
#define SD_CSD_RW_BL_LEN_2G 0xa
#define SD_CSD_RW_BL_LEN_1G 0x9
#define SD_CSD_WRITE_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 21, 1)
#define SD_CSD_FILE_FORMAT_GRP(resp) MMC_RSP_BITS((resp), 15, 1)
#define SD_CSD_COPY(resp) MMC_RSP_BITS((resp), 14, 1)
#define SD_CSD_PERM_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 13, 1)
#define SD_CSD_TMP_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 12, 1)
#define SD_CSD_FILE_FORMAT(resp) MMC_RSP_BITS((resp), 10, 2)
/* SD R2 response (CID) */
#define SD_CID_MID(resp) MMC_RSP_BITS((resp), 120, 8)
#define SD_CID_OID(resp) MMC_RSP_BITS((resp), 104, 16)
#define SD_CID_PNM_CPY(resp, pnm) \
do { \
(pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
(pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
(pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
(pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
(pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
(pnm)[5] = '\0'; \
} while (/*CONSTCOND*/0)
#define SD_CID_REV(resp) MMC_RSP_BITS((resp), 56, 8)
#define SD_CID_PSN(resp) MMC_RSP_BITS((resp), 24, 32)
#define SD_CID_MDT(resp) MMC_RSP_BITS((resp), 8, 12)
/* SCR (SD Configuration Register) */
#define SCR_STRUCTURE(scr) MMC_RSP_BITS((scr), 60, 4)
#define SCR_STRUCTURE_VER_1_0 0 /* Version 1.0 */
#define SCR_SD_SPEC(scr) MMC_RSP_BITS((scr), 56, 4)
#define SCR_SD_SPEC_VER_1_0 0 /* Version 1.0 and 1.01 */
#define SCR_SD_SPEC_VER_1_10 1 /* Version 1.10 */
#define SCR_SD_SPEC_VER_2 2 /* Version 2.00 or Version 3.0X */
#define SCR_DATA_STAT_AFTER_ERASE(scr) MMC_RSP_BITS((scr), 55, 1)
#define SCR_SD_SECURITY(scr) MMC_RSP_BITS((scr), 52, 3)
#define SCR_SD_SECURITY_NONE 0 /* no security */
#define SCR_SD_SECURITY_1_0 1 /* security protocol 1.0 */
#define SCR_SD_SECURITY_1_0_2 2 /* security protocol 1.0 */
#define SCR_SD_BUS_WIDTHS(scr) MMC_RSP_BITS((scr), 48, 4)
#define SCR_SD_BUS_WIDTHS_1BIT (1 << 0) /* 1bit (DAT0) */
#define SCR_SD_BUS_WIDTHS_4BIT (1 << 2) /* 4bit (DAT0-3) */
#define SCR_RESERVED(scr) MMC_RSP_BITS((scr), 32, 16)
#define SCR_RESERVED2(scr) MMC_RSP_BITS((scr), 0, 32)
/* Status of Switch Function */
#define SFUNC_STATUS_GROUP(status, group) \
be16toh(__bitfield((uint32_t *)(status), (7 - (group)) << 4, 16))
/* Might be slow, but it should work on big and little endian systems. */
#define MMC_RSP_BITS(resp, start, len) __bitfield((resp), (start)-8, (len))
static inline int
__bitfield(uint32_t *src, int start, int len)
{
uint8_t *sp;
uint32_t dst, mask;
int shift, bs, bc;
if (start < 0 || len < 0 || len > 32)
return 0;
dst = 0;
mask = len % 32 ? UINT_MAX >> (32 - (len % 32)) : UINT_MAX;
shift = 0;
while (len > 0) {
sp = (uint8_t *)src + start / 8;
bs = start % 8;
bc = 8 - bs;
if (bc > len)
bc = len;
dst |= (*sp++ >> bs) << shift;
shift += bc;
start += bc;
len -= bc;
}
dst &= mask;
return (int)dst;
}
#endif /* _SDMMCREG_H_ */
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