sdmmcreg.h revision 1.1
1 /* $NetBSD: sdmmcreg.h,v 1.1 2009/04/21 03:00:31 nonaka Exp $ */ 2 /* $OpenBSD: sdmmcreg.h,v 1.4 2009/01/09 10:55:22 jsg Exp $ */ 3 4 /* 5 * Copyright (c) 2006 Uwe Stuehler <uwe (at) openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #ifndef _SDMMCREG_H_ 21 #define _SDMMCREG_H_ 22 23 /* MMC commands */ /* response type */ 24 #define MMC_GO_IDLE_STATE 0 /* R0 */ 25 #define MMC_SEND_OP_COND 1 /* R3 */ 26 #define MMC_ALL_SEND_CID 2 /* R2 */ 27 #define MMC_SET_RELATIVE_ADDR 3 /* R1 */ 28 #define MMC_SELECT_CARD 7 /* R1 */ 29 #define MMC_SEND_CSD 9 /* R2 */ 30 #define MMC_STOP_TRANSMISSION 12 /* R1b */ 31 #define MMC_SEND_STATUS 13 /* R1 */ 32 #define MMC_INACTIVE_STATE 15 /* R0 */ 33 #define MMC_SET_BLOCKLEN 16 /* R1 */ 34 #define MMC_READ_BLOCK_SINGLE 17 /* R1 */ 35 #define MMC_READ_BLOCK_MULTIPLE 18 /* R1 */ 36 #define MMC_SET_BLOCK_COUNT 23 /* R1 */ 37 #define MMC_WRITE_BLOCK_SINGLE 24 /* R1 */ 38 #define MMC_WRITE_BLOCK_MULTIPLE 25 /* R1 */ 39 #define MMC_PROGRAM_CSD 27 /* R1 */ 40 #define MMC_SET_WRITE_PROT 28 /* R1b */ 41 #define MMC_SET_CLR_WRITE_PROT 29 /* R1b */ 42 #define MMC_SET_SEND_WRITE_PROT 30 /* R1 */ 43 #define MMC_TAG_SECTOR_START 32 /* R1 */ 44 #define MMC_TAG_SECTOR_END 33 /* R1 */ 45 #define MMC_UNTAG_SECTOR 34 /* R1 */ 46 #define MMC_TAG_ERASE_GROUP_START 35 /* R1 */ 47 #define MMC_TAG_ERASE_GROUP_END 36 /* R1 */ 48 #define MMC_UNTAG_ERASE_GROUP 37 /* R1 */ 49 #define MMC_ERASE 38 /* R1b */ 50 #define MMC_LOCK_UNLOCK 42 /* R1b */ 51 #define MMC_APP_CMD 55 /* R1 */ 52 53 /* SD commands */ /* response type */ 54 #define SD_SEND_RELATIVE_ADDR 3 /* R6 */ 55 #define SD_SEND_IF_COND 8 /* R7 */ 56 57 /* SD application commands */ /* response type */ 58 #define SD_APP_SET_BUS_WIDTH 6 /* R1 */ 59 #define SD_APP_OP_COND 41 /* R3 */ 60 #define SD_APP_SEND_SCR 51 /* R1 */ 61 62 /* OCR bits */ 63 #define MMC_OCR_MEM_READY (1U<<31)/* memory power-up status bit */ 64 #define MMC_OCR_HCS (1<<30) 65 #define MMC_OCR_3_5V_3_6V (1<<23) 66 #define MMC_OCR_3_4V_3_5V (1<<22) 67 #define MMC_OCR_3_3V_3_4V (1<<21) 68 #define MMC_OCR_3_2V_3_3V (1<<20) 69 #define MMC_OCR_3_1V_3_2V (1<<19) 70 #define MMC_OCR_3_0V_3_1V (1<<18) 71 #define MMC_OCR_2_9V_3_0V (1<<17) 72 #define MMC_OCR_2_8V_2_9V (1<<16) 73 #define MMC_OCR_2_7V_2_8V (1<<15) 74 #define MMC_OCR_2_6V_2_7V (1<<14) 75 #define MMC_OCR_2_5V_2_6V (1<<13) 76 #define MMC_OCR_2_4V_2_5V (1<<12) 77 #define MMC_OCR_2_3V_2_4V (1<<11) 78 #define MMC_OCR_2_2V_2_3V (1<<10) 79 #define MMC_OCR_2_1V_2_2V (1<<9) 80 #define MMC_OCR_2_0V_2_1V (1<<8) 81 #define MMC_OCR_1_9V_2_0V (1<<7) 82 #define MMC_OCR_1_8V_1_9V (1<<6) 83 #define MMC_OCR_1_7V_1_8V (1<<5) 84 #define MMC_OCR_1_6V_1_7V (1<<4) 85 86 /* R1 response type bits */ 87 #define MMC_R1_READY_FOR_DATA (1<<8) /* ready for next transfer */ 88 #define MMC_R1_APP_CMD (1<<5) /* app. commands supported */ 89 90 /* 48-bit response decoding (32 bits w/o CRC) */ 91 #define MMC_R1(resp) ((resp)[0]) 92 #define MMC_R3(resp) ((resp)[0]) 93 #define SD_R6(resp) ((resp)[0]) 94 #define MMC_R7(resp) ((resp)[0]) 95 96 /* RCA argument and response */ 97 #define MMC_ARG_RCA(rca) ((rca) << 16) 98 #define SD_R6_RCA(resp) (SD_R6((resp)) >> 16) 99 100 /* bus width argument */ 101 #define SD_ARG_BUS_WIDTH_1 0 102 #define SD_ARG_BUS_WIDTH_4 2 103 104 /* MMC R2 response (CSD) */ 105 #define MMC_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2) 106 #define MMC_CSD_CSDVER_1_0 1 107 #define MMC_CSD_CSDVER_2_0 2 108 #define MMC_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4) 109 #define MMC_CSD_MMCVER_1_0 0 /* MMC 1.0 - 1.2 */ 110 #define MMC_CSD_MMCVER_1_4 1 /* MMC 1.4 */ 111 #define MMC_CSD_MMCVER_2_0 2 /* MMC 2.0 - 2.2 */ 112 #define MMC_CSD_MMCVER_3_1 3 /* MMC 3.1 - 3.3 */ 113 #define MMC_CSD_MMCVER_4_0 4 /* MMC 4 */ 114 #define MMC_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8) 115 #define MMC_CSD_TAAC_MANT(resp) MMC_RSP_BITS((resp), 115, 4) 116 #define MMC_CSD_TAAC_EXP(resp) MMC_RSP_BITS((resp), 112, 3) 117 #define MMC_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8) 118 #define MMC_CSD_TRAN_SPEED(resp) MMC_RSP_BITS((resp), 96, 8) 119 #define MMC_CSD_TRAN_SPEED_MANT(resp) MMC_RSP_BITS((resp), 99, 4) 120 #define MMC_CSD_TRAN_SPEED_EXP(resp) MMC_RSP_BITS((resp), 96, 3) 121 #define MMC_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4) 122 #define MMC_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12) 123 #define MMC_CSD_CAPACITY(resp) ((MMC_CSD_C_SIZE((resp))+1) << \ 124 (MMC_CSD_C_SIZE_MULT((resp))+2)) 125 #define MMC_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3) 126 #define MMC_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3) 127 #define MMC_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4) 128 129 /* MMC v1 R2 response (CID) */ 130 #define MMC_CID_MID_V1(resp) MMC_RSP_BITS((resp), 104, 24) 131 #define MMC_CID_PNM_V1_CPY(resp, pnm) \ 132 do { \ 133 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \ 134 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \ 135 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \ 136 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \ 137 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \ 138 (pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \ 139 (pnm)[6] = MMC_RSP_BITS((resp), 48, 8); \ 140 (pnm)[7] = '\0'; \ 141 } while (/*CONSTCOND*/0) 142 #define MMC_CID_REV_V1(resp) MMC_RSP_BITS((resp), 40, 8) 143 #define MMC_CID_PSN_V1(resp) MMC_RSP_BITS((resp), 16, 24) 144 #define MMC_CID_MDT_V1(resp) MMC_RSP_BITS((resp), 8, 8) 145 146 /* MMC v2 R2 response (CID) */ 147 #define MMC_CID_MID_V2(resp) MMC_RSP_BITS((resp), 120, 8) 148 #define MMC_CID_OID_V2(resp) MMC_RSP_BITS((resp), 104, 16) 149 #define MMC_CID_PNM_V2_CPY(resp, pnm) \ 150 do { \ 151 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \ 152 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \ 153 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \ 154 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \ 155 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \ 156 (pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \ 157 (pnm)[6] = '\0'; \ 158 } while (/*CONSTCOND*/0) 159 #define MMC_CID_PSN_V2(resp) MMC_RSP_BITS((resp), 16, 32) 160 161 /* SD R2 response (CSD) */ 162 #define SD_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2) 163 #define SD_CSD_CSDVER_1_0 0 164 #define SD_CSD_CSDVER_2_0 1 165 #define SD_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4) 166 #define SD_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8) 167 #define SD_CSD_TAAC_EXP(resp) MMC_RSP_BITS((resp), 115, 4) 168 #define SD_CSD_TAAC_MANT(resp) MMC_RSP_BITS((resp), 112, 3) 169 #define SD_CSD_TAAC_1_5_MSEC 0x26 170 #define SD_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8) 171 #define SD_CSD_SPEED(resp) MMC_RSP_BITS((resp), 96, 8) 172 #define SD_CSD_SPEED_MANT(resp) MMC_RSP_BITS((resp), 99, 4) 173 #define SD_CSD_SPEED_EXP(resp) MMC_RSP_BITS((resp), 96, 3) 174 #define SD_CSD_SPEED_25_MHZ 0x32 175 #define SD_CSD_SPEED_50_MHZ 0x5a 176 #define SD_CSD_CCC(resp) MMC_RSP_BITS((resp), 84, 12) 177 #define SD_CSD_CCC_ALL 0x5f5 178 #define SD_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4) 179 #define SD_CSD_READ_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 79, 1) 180 #define SD_CSD_WRITE_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 78, 1) 181 #define SD_CSD_READ_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 77, 1) 182 #define SD_CSD_DSR_IMP(resp) MMC_RSP_BITS((resp), 76, 1) 183 #define SD_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12) 184 #define SD_CSD_CAPACITY(resp) ((SD_CSD_C_SIZE((resp))+1) << \ 185 (SD_CSD_C_SIZE_MULT((resp))+2)) 186 #define SD_CSD_VDD_R_CURR_MIN(resp) MMC_RSP_BITS((resp), 59, 3) 187 #define SD_CSD_VDD_R_CURR_MAX(resp) MMC_RSP_BITS((resp), 56, 3) 188 #define SD_CSD_VDD_W_CURR_MIN(resp) MMC_RSP_BITS((resp), 53, 3) 189 #define SD_CSD_VDD_W_CURR_MAX(resp) MMC_RSP_BITS((resp), 50, 3) 190 #define SD_CSD_VDD_RW_CURR_100mA 0x7 191 #define SD_CSD_VDD_RW_CURR_80mA 0x6 192 #define SD_CSD_V2_C_SIZE(resp) MMC_RSP_BITS((resp), 48, 22) 193 #define SD_CSD_V2_CAPACITY(resp) ((SD_CSD_V2_C_SIZE((resp))+1) << 10) 194 #define SD_CSD_V2_BL_LEN 0x9 /* 512 */ 195 #define SD_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3) 196 #define SD_CSD_ERASE_BLK_EN(resp) MMC_RSP_BITS((resp), 46, 1) 197 #define SD_CSD_SECTOR_SIZE(resp) MMC_RSP_BITS((resp), 39, 7) /* +1 */ 198 #define SD_CSD_WP_GRP_SIZE(resp) MMC_RSP_BITS((resp), 32, 7) /* +1 */ 199 #define SD_CSD_WP_GRP_ENABLE(resp) MMC_RSP_BITS((resp), 31, 1) 200 #define SD_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3) 201 #define SD_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4) 202 #define SD_CSD_RW_BL_LEN_2G 0xa 203 #define SD_CSD_RW_BL_LEN_1G 0x9 204 #define SD_CSD_WRITE_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 21, 1) 205 #define SD_CSD_FILE_FORMAT_GRP(resp) MMC_RSP_BITS((resp), 15, 1) 206 #define SD_CSD_COPY(resp) MMC_RSP_BITS((resp), 14, 1) 207 #define SD_CSD_PERM_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 13, 1) 208 #define SD_CSD_TMP_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 12, 1) 209 #define SD_CSD_FILE_FORMAT(resp) MMC_RSP_BITS((resp), 10, 2) 210 211 /* SD R2 response (CID) */ 212 #define SD_CID_MID(resp) MMC_RSP_BITS((resp), 120, 8) 213 #define SD_CID_OID(resp) MMC_RSP_BITS((resp), 104, 16) 214 #define SD_CID_PNM_CPY(resp, pnm) \ 215 do { \ 216 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \ 217 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \ 218 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \ 219 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \ 220 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \ 221 (pnm)[5] = '\0'; \ 222 } while (/*CONSTCOND*/0) 223 #define SD_CID_REV(resp) MMC_RSP_BITS((resp), 56, 8) 224 #define SD_CID_PSN(resp) MMC_RSP_BITS((resp), 24, 32) 225 #define SD_CID_MDT(resp) MMC_RSP_BITS((resp), 8, 12) 226 227 /* SCR (SD Configuration Register) */ 228 #define SCR_STRUCTURE(scr) MMC_RSP_BITS((scr), 60, 4) 229 #define SCR_STRUCTURE_VER_1_0 0 /* Version 1.0 */ 230 #define SCR_SD_SPEC(scr) MMC_RSP_BITS((scr), 56, 4) 231 #define SCR_SD_SPEC_VER_1_0 0 /* Version 1.0 */ 232 #define SCR_DATA_STAT_AFTER_ERASE(scr) MMC_RSP_BITS((scr), 55, 1) 233 #define SCR_SD_SECURITY(scr) MMC_RSP_BITS((scr), 52, 3) 234 #define SCR_SD_SECURITY_NONE 0 /* no security */ 235 #define SCR_SD_SECURITY_1_0 1 /* security protocol 1.0 */ 236 #define SCR_SD_SECURITY_1_0_2 2 /* security protocol 1.0 */ 237 #define SCR_SD_BUS_WIDTHS(scr) MMC_RSP_BITS((scr), 48, 4) 238 #define SCR_SD_BUS_WIDTHS_1BIT (1 << 0) /* 1bit (DAT0) */ 239 #define SCR_SD_BUS_WIDTHS_4BIT (1 << 2) /* 4bit (DAT0-3) */ 240 #define SCR_RESERVED(scr) MMC_RSP_BITS((scr), 32, 16) 241 #define SCR_RESERVED2(scr) MMC_RSP_BITS((scr), 0, 32) 242 243 /* Might be slow, but it should work on big and little endian systems. */ 244 #define MMC_RSP_BITS(resp, start, len) __bitfield((resp), (start)-8, (len)) 245 static inline int 246 __bitfield(uint32_t *src, int start, int len) 247 { 248 uint8_t *sp; 249 uint32_t dst, mask; 250 int shift, bs, bc; 251 252 if (start < 0 || len < 0 || len > 32) 253 return 0; 254 255 dst = 0; 256 mask = len % 32 ? UINT_MAX >> (32 - (len % 32)) : UINT_MAX; 257 shift = 0; 258 259 while (len > 0) { 260 sp = (uint8_t *)src + start / 8; 261 bs = start % 8; 262 bc = 8 - bs; 263 if (bc > len) 264 bc = len; 265 dst |= (*sp++ >> bs) << shift; 266 shift += bc; 267 start += bc; 268 len -= bc; 269 } 270 271 dst &= mask; 272 return (int)dst; 273 } 274 275 #endif /* _SDMMCREG_H_ */ 276
Indexes created Fri Sep 26 20:09:58 GMT 2025