/* $OpenBSD: sdmmcreg.h,v 1.6 2014/09/23 12:08:13 rapha Exp $ */ /* * Copyright (c) 2006 Uwe Stuehler * * 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_STOP_TRANSMISSION 12 /* R1B */ #define MMC_SEND_STATUS 13 /* R1 */ #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_APP_CMD 55 /* R1 */ /* SD commands */ /* response type */ #define SD_SEND_RELATIVE_ADDR 3 /* R6 */ #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 */ /* OCR bits */ #define MMC_OCR_MEM_READY (1<<31) /* memory power-up status bit */ #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) #define SD_OCR_SDHC_CAP (1<<30) #define SD_OCR_VOL_MASK 0xFF8000 /* bits 23:15 */ /* 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]) /* 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 */ #define EXT_CSD_SEC_COUNT 212 /* 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 #define EXT_CSD_BUS_WIDTH_4 1 #define EXT_CSD_BUS_WIDTH_8 2 /* EXT_CSD_CARD_TYPE */ /* The only currently valid values for this field are 0x01, 0x03, 0x07, * 0x0B and 0x0F. */ #define EXT_CSD_CARD_TYPE_F_26M (1 << 0) #define EXT_CSD_CARD_TYPE_F_52M (1 << 1) #define EXT_CSD_CARD_TYPE_F_52M_1_8V (1 << 2) #define EXT_CSD_CARD_TYPE_F_52M_1_2V (1 << 3) #define EXT_CSD_CARD_TYPE_26M 0x01 #define EXT_CSD_CARD_TYPE_52M 0x03 #define EXT_CSD_CARD_TYPE_52M_V18 0x07 #define EXT_CSD_CARD_TYPE_52M_V12 0x0b #define EXT_CSD_CARD_TYPE_52M_V12_18 0x0f /* 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 */ /* MMC R2 response (CSD) */ #define MMC_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2) #define MMC_CSD_CSDVER_1_0 1 #define MMC_CSD_CSDVER_2_0 2 #define MMC_CSD_CSDVER_EXT_CSD 3 #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 */ #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) /* 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 (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 (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_TAAC(resp) MMC_RSP_BITS((resp), 112, 8) #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_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_ALL 0x5f5 #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_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_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_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 (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) /* 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(u_int32_t *src, int start, int len) { u_int8_t *sp; u_int32_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 = (u_int8_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