1 /* $NetBSD: sdmmcreg.h,v 1.35 2024/10/18 11:03:52 jmcneill 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@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_SWITCH 6 /* R1b */ 29 #define MMC_SELECT_CARD 7 /* R1 */ 30 #define MMC_SEND_EXT_CSD 8 /* R1 */ 31 #define MMC_SEND_CSD 9 /* R2 */ 32 #define MMC_SEND_CID 10 /* R2 */ 33 #define MMC_STOP_TRANSMISSION 12 /* R1b */ 34 #define MMC_SEND_STATUS 13 /* R1 */ 35 #define MMC_INACTIVE_STATE 15 /* R0 */ 36 #define MMC_SET_BLOCKLEN 16 /* R1 */ 37 #define MMC_READ_BLOCK_SINGLE 17 /* R1 */ 38 #define MMC_READ_BLOCK_MULTIPLE 18 /* R1 */ 39 #define MMC_SEND_TUNING_BLOCK 19 /* R1 */ 40 #define MMC_SEND_TUNING_BLOCK_HS200 21 /* R1 */ 41 #define MMC_SET_BLOCK_COUNT 23 /* R1 */ 42 #define MMC_WRITE_BLOCK_SINGLE 24 /* R1 */ 43 #define MMC_WRITE_BLOCK_MULTIPLE 25 /* R1 */ 44 #define MMC_PROGRAM_CSD 27 /* R1 */ 45 #define MMC_SET_WRITE_PROT 28 /* R1b */ 46 #define MMC_SET_CLR_WRITE_PROT 29 /* R1b */ 47 #define MMC_SET_SEND_WRITE_PROT 30 /* R1 */ 48 #define MMC_TAG_SECTOR_START 32 /* R1 */ 49 #define MMC_TAG_SECTOR_END 33 /* R1 */ 50 #define MMC_UNTAG_SECTOR 34 /* R1 */ 51 #define MMC_TAG_ERASE_GROUP_START 35 /* R1 */ 52 #define MMC_TAG_ERASE_GROUP_END 36 /* R1 */ 53 #define MMC_UNTAG_ERASE_GROUP 37 /* R1 */ 54 #define MMC_ERASE 38 /* R1b */ 55 #define MMC_LOCK_UNLOCK 42 /* R1b */ 56 #define MMC_APP_CMD 55 /* R1 */ 57 #define MMC_READ_OCR 58 /* R3 */ 58 59 /* SD commands */ /* response type */ 60 #define SD_SEND_RELATIVE_ADDR 3 /* R6 */ 61 #define SD_SEND_SWITCH_FUNC 6 /* R1 */ 62 #define SD_SEND_IF_COND 8 /* R7 */ 63 #define SD_VOLTAGE_SWITCH 11 /* R1 */ 64 #define SD_ERASE_WR_BLK_START 32 /* R1 */ 65 #define SD_ERASE_WR_BLK_END 33 /* R1 */ 66 #define SD_READ_EXTR_SINGLE 48 /* R1 */ 67 #define SD_WRITE_EXTR_SINGLE 49 /* R1 */ 68 69 /* SD application commands */ /* response type */ 70 #define SD_APP_SET_BUS_WIDTH 6 /* R1 */ 71 #define SD_APP_SD_STATUS 13 /* R1 */ 72 #define SD_APP_SET_WR_BLK_ERASE_COUNT 23 /* R1 */ 73 #define SD_APP_OP_COND 41 /* R3 */ 74 #define SD_APP_SEND_SCR 51 /* R1 */ 75 76 /* SD extended register argument fields */ 77 #define SD_EXTR_MIO (0x1U << 31) 78 #define SD_EXTR_MIO_MEM 0 79 #define SD_EXTR_MIO_IO 1 80 #define SD_EXTR_FNO (0xfU << 27) 81 #define SD_EXTR_MW (1U << 26) /* write only */ 82 #define SD_EXTR_ADDR (0x1ffff << 9) 83 #define SD_EXTR_LEN 0x1ff 84 85 /* SD erase arguments */ 86 #define SD_ERASE_DISCARD 0x00000001 87 #define SD_ERASE_FULE 0x00000002 88 89 /* OCR bits */ 90 #define MMC_OCR_MEM_READY (1U<<31)/* memory power-up status bit */ 91 #define MMC_OCR_HCS (1<<30) /* SD only */ 92 #define MMC_OCR_ACCESS_MODE_MASK (3<<29) /* MMC only */ 93 #define MMC_OCR_ACCESS_MODE_BYTE (0<<29) /* MMC only */ 94 #define MMC_OCR_ACCESS_MODE_SECTOR (2<<29) /* MMC only */ 95 #define MMC_OCR_S18A (1<<24) 96 #define MMC_OCR_3_5V_3_6V (1<<23) 97 #define MMC_OCR_3_4V_3_5V (1<<22) 98 #define MMC_OCR_3_3V_3_4V (1<<21) 99 #define MMC_OCR_3_2V_3_3V (1<<20) 100 #define MMC_OCR_3_1V_3_2V (1<<19) 101 #define MMC_OCR_3_0V_3_1V (1<<18) 102 #define MMC_OCR_2_9V_3_0V (1<<17) 103 #define MMC_OCR_2_8V_2_9V (1<<16) 104 #define MMC_OCR_2_7V_2_8V (1<<15) 105 #define MMC_OCR_2_6V_2_7V (1<<14) 106 #define MMC_OCR_2_5V_2_6V (1<<13) 107 #define MMC_OCR_2_4V_2_5V (1<<12) 108 #define MMC_OCR_2_3V_2_4V (1<<11) 109 #define MMC_OCR_2_2V_2_3V (1<<10) 110 #define MMC_OCR_2_1V_2_2V (1<<9) 111 #define MMC_OCR_2_0V_2_1V (1<<8) 112 #define MMC_OCR_1_65V_1_95V (1<<7) 113 114 /* R1 response type bits */ 115 #define MMC_R1_READY_FOR_DATA (1<<8) /* ready for next transfer */ 116 #define MMC_R1_SWITCH_ERROR (1<<7) /* switch command failed */ 117 #define MMC_R1_APP_CMD (1<<5) /* app. commands supported */ 118 119 /* 48-bit response decoding (32 bits w/o CRC) */ 120 #define MMC_R1(resp) ((resp)[0]) 121 #define MMC_R3(resp) ((resp)[0]) 122 #define SD_R6(resp) ((resp)[0]) 123 #define MMC_R7(resp) ((resp)[0]) 124 #define MMC_SPI_R1(resp) ((resp)[0]) 125 #define MMC_SPI_R7(resp) ((resp)[1]) 126 127 /* RCA argument and response */ 128 #define MMC_ARG_RCA(rca) ((rca) << 16) 129 #define SD_R6_RCA(resp) (SD_R6((resp)) >> 16) 130 131 /* bus width argument */ 132 #define SD_ARG_BUS_WIDTH_1 0 133 #define SD_ARG_BUS_WIDTH_4 2 134 135 /* EXT_CSD fields */ 136 #define EXT_CSD_FLUSH_CACHE 32 /* W/E_P */ 137 #define EXT_CSD_CACHE_CTRL 33 /* R/W/E_P */ 138 #define EXT_CSD_RST_N_FUNCTION 162 /* R/W */ 139 #define EXT_CSD_BUS_WIDTH 183 /* W/E_P */ 140 #define EXT_CSD_HS_TIMING 185 /* R/W/E_P */ 141 #define EXT_CSD_REV 192 /* R */ 142 #define EXT_CSD_STRUCTURE 194 /* R */ 143 #define EXT_CSD_CARD_TYPE 196 /* R */ 144 #define EXT_CSD_SEC_COUNT 212 /* R */ 145 #define EXT_CSD_CACHE_SIZE 249 /* R (4 bytes) */ 146 147 /* EXT_CSD field definitions */ 148 #define EXT_CSD_CMD_SET_NORMAL (1U << 0) 149 #define EXT_CSD_CMD_SET_SECURE (1U << 1) 150 #define EXT_CSD_CMD_SET_CPSECURE (1U << 2) 151 152 /* EXT_CSD_FLUSH_CACHE */ 153 #define EXT_CSD_FLUSH_CACHE_FLUSH (1U << 0) 154 #define EXT_CSD_FLUSH_CACHE_BARRIER (1U << 1) 155 156 /* EXT_CSD_CACHE_CTRL */ 157 #define EXT_CSD_CACHE_CTRL_CACHE_EN (1U << 0) 158 159 /* EXT_CSD_BUS_WIDTH */ 160 #define EXT_CSD_BUS_WIDTH_1 0 /* 1 bit mode */ 161 #define EXT_CSD_BUS_WIDTH_4 1 /* 4 bit mode */ 162 #define EXT_CSD_BUS_WIDTH_8 2 /* 8 bit mode */ 163 #define EXT_CSD_BUS_WIDTH_4_DDR 5 /* 4 bit mode (DDR) */ 164 #define EXT_CSD_BUS_WIDTH_8_DDR 6 /* 8 bit mode (DDR) */ 165 166 /* EXT_CSD_HS_TIMING */ 167 #define EXT_CSD_HS_TIMING_LEGACY 0 168 #define EXT_CSD_HS_TIMING_HIGHSPEED 1 169 #define EXT_CSD_HS_TIMING_HS200 2 170 #define EXT_CSD_HS_TIMING_HS400 3 171 172 /* EXT_CSD_STRUCTURE */ 173 #define EXT_CSD_STRUCTURE_VER_1_0 0 /* CSD Version No.1.0 */ 174 #define EXT_CSD_STRUCTURE_VER_1_1 1 /* CSD Version No.1.1 */ 175 #define EXT_CSD_STRUCTURE_VER_1_2 2 /* Version 4.1-4.2-4.3 */ 176 177 /* EXT_CSD_CARD_TYPE */ 178 #define EXT_CSD_CARD_TYPE_F_26M (1 << 0) /* HS 26 MHz */ 179 #define EXT_CSD_CARD_TYPE_F_52M (1 << 1) /* HS 52 MHz */ 180 #define EXT_CSD_CARD_TYPE_F_DDR52_1_8V (1 << 2) /* HS DDR 52 MHz 1.8V or 3V */ 181 #define EXT_CSD_CARD_TYPE_F_DDR52_1_2V (1 << 3) /* HS DDR 52 MHz 1.2V */ 182 #define EXT_CSD_CARD_TYPE_F_HS200_1_8V (1 << 4) /* HS200 SDR 200 MHz 1.8V */ 183 #define EXT_CSD_CARD_TYPE_F_HS200_1_2V (1 << 5) /* HS200 SDR 200 MHz 1.2V */ 184 #define EXT_CSD_CARD_TYPE_F_HS400_1_8V (1 << 6) /* HS400 DDR 200 MHz 1.8V */ 185 #define EXT_CSD_CARD_TYPE_F_HS400_1_2V (1 << 7) /* HS400 DDR 200 MHz 1.2V */ 186 187 /* EXT_CSD_RST_N_FUNCTION */ 188 #define EXT_CSD_RST_N_TMP_DISABLED 0x00 189 #define EXT_CSD_RST_N_PERM_ENABLED 0x01 190 #define EXT_CSD_RST_N_PERM_DISABLED 0x02 191 #define EXT_CSD_RST_N_MASK 0x03 192 193 /* MMC_SWITCH access mode */ 194 #define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */ 195 #define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits in value */ 196 #define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits in value */ 197 #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */ 198 199 /* SPI mode reports R1/R2(SEND_STATUS) status. */ 200 #define R1_SPI_IDLE (1 << 0) 201 #define R1_SPI_ERASE_RESET (1 << 1) 202 #define R1_SPI_ILLEGAL_COMMAND (1 << 2) 203 #define R1_SPI_COM_CRC (1 << 3) 204 #define R1_SPI_ERASE_SEQ (1 << 4) 205 #define R1_SPI_ADDRESS (1 << 5) 206 #define R1_SPI_PARAMETER (1 << 6) 207 /* R1 bit 7 is always zero */ 208 #define R2_SPI_CARD_LOCKED (1 << 8) 209 #define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */ 210 #define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP 211 #define R2_SPI_ERROR (1 << 10) 212 #define R2_SPI_CC_ERROR (1 << 11) 213 #define R2_SPI_CARD_ECC_ERROR (1 << 12) 214 #define R2_SPI_WP_VIOLATION (1 << 13) 215 #define R2_SPI_ERASE_PARAM (1 << 14) 216 #define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */ 217 #define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE 218 219 /* MMC R2 response (CSD) */ 220 #define MMC_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2) 221 #define MMC_CSD_CSDVER_1_0 0 222 #define MMC_CSD_CSDVER_1_1 1 223 #define MMC_CSD_CSDVER_1_2 2 /* MMC 4.1 - 4.2 - 4.3 */ 224 #define MMC_CSD_CSDVER_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */ 225 #define MMC_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4) 226 #define MMC_CSD_MMCVER_1_0 0 /* MMC 1.0 - 1.2 */ 227 #define MMC_CSD_MMCVER_1_4 1 /* MMC 1.4 */ 228 #define MMC_CSD_MMCVER_2_0 2 /* MMC 2.0 - 2.2 */ 229 #define MMC_CSD_MMCVER_3_1 3 /* MMC 3.1 - 3.3 */ 230 #define MMC_CSD_MMCVER_4_0 4 /* MMC 4.1 - 4.2 - 4.3 */ 231 #define MMC_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8) 232 #define MMC_CSD_TAAC_MANT(resp) MMC_RSP_BITS((resp), 115, 4) 233 #define MMC_CSD_TAAC_EXP(resp) MMC_RSP_BITS((resp), 112, 3) 234 #define MMC_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8) 235 #define MMC_CSD_TRAN_SPEED(resp) MMC_RSP_BITS((resp), 96, 8) 236 #define MMC_CSD_TRAN_SPEED_MANT(resp) MMC_RSP_BITS((resp), 99, 4) 237 #define MMC_CSD_TRAN_SPEED_EXP(resp) MMC_RSP_BITS((resp), 96, 3) 238 #define MMC_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4) 239 #define MMC_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12) 240 #define MMC_CSD_CAPACITY(resp) ((MMC_CSD_C_SIZE((resp))+1) << \ 241 (MMC_CSD_C_SIZE_MULT((resp))+2)) 242 #define MMC_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3) 243 #define MMC_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3) 244 #define MMC_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4) 245 246 /* MMC v1 R2 response (CID) */ 247 #define MMC_CID_MID_V1(resp) MMC_RSP_BITS((resp), 104, 24) 248 #define MMC_CID_PNM_V1_CPY(resp, pnm) \ 249 do { \ 250 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \ 251 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \ 252 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \ 253 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \ 254 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \ 255 (pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \ 256 (pnm)[6] = MMC_RSP_BITS((resp), 48, 8); \ 257 (pnm)[7] = '\0'; \ 258 } while (/*CONSTCOND*/0) 259 #define MMC_CID_REV_V1(resp) MMC_RSP_BITS((resp), 40, 8) 260 #define MMC_CID_PSN_V1(resp) MMC_RSP_BITS((resp), 16, 24) 261 #define MMC_CID_MDT_V1(resp) MMC_RSP_BITS((resp), 8, 8) 262 263 /* MMC v2 R2 response (CID) */ 264 #define MMC_CID_MID_V2(resp) MMC_RSP_BITS((resp), 120, 8) 265 #define MMC_CID_OID_V2(resp) MMC_RSP_BITS((resp), 104, 16) 266 #define MMC_CID_PNM_V2_CPY(resp, pnm) \ 267 do { \ 268 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \ 269 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \ 270 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \ 271 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \ 272 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \ 273 (pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \ 274 (pnm)[6] = '\0'; \ 275 } while (/*CONSTCOND*/0) 276 #define MMC_CID_PSN_V2(resp) MMC_RSP_BITS((resp), 16, 32) 277 278 /* SD R2 response (CSD) */ 279 #define SD_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2) 280 #define SD_CSD_CSDVER_1_0 0 281 #define SD_CSD_CSDVER_2_0 1 282 #define SD_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4) 283 #define SD_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8) 284 #define SD_CSD_TAAC_EXP(resp) MMC_RSP_BITS((resp), 115, 4) 285 #define SD_CSD_TAAC_MANT(resp) MMC_RSP_BITS((resp), 112, 3) 286 #define SD_CSD_TAAC_1_5_MSEC 0x26 287 #define SD_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8) 288 #define SD_CSD_SPEED(resp) MMC_RSP_BITS((resp), 96, 8) 289 #define SD_CSD_SPEED_MANT(resp) MMC_RSP_BITS((resp), 99, 4) 290 #define SD_CSD_SPEED_EXP(resp) MMC_RSP_BITS((resp), 96, 3) 291 #define SD_CSD_SPEED_25_MHZ 0x32 292 #define SD_CSD_SPEED_50_MHZ 0x5a 293 #define SD_CSD_CCC(resp) MMC_RSP_BITS((resp), 84, 12) 294 #define SD_CSD_CCC_BASIC (1 << 0) /* basic */ 295 #define SD_CSD_CCC_BR (1 << 2) /* block read */ 296 #define SD_CSD_CCC_BW (1 << 4) /* block write */ 297 #define SD_CSD_CCC_ERACE (1 << 5) /* erase */ 298 #define SD_CSD_CCC_WP (1 << 6) /* write protection */ 299 #define SD_CSD_CCC_LC (1 << 7) /* lock card */ 300 #define SD_CSD_CCC_AS (1 << 8) /*application specific*/ 301 #define SD_CSD_CCC_IOM (1 << 9) /* I/O mode */ 302 #define SD_CSD_CCC_SWITCH (1 << 10) /* switch */ 303 #define SD_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4) 304 #define SD_CSD_READ_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 79, 1) 305 #define SD_CSD_WRITE_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 78, 1) 306 #define SD_CSD_READ_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 77, 1) 307 #define SD_CSD_DSR_IMP(resp) MMC_RSP_BITS((resp), 76, 1) 308 #define SD_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12) 309 #define SD_CSD_CAPACITY(resp) ((SD_CSD_C_SIZE((resp))+1) << \ 310 (SD_CSD_C_SIZE_MULT((resp))+2)) 311 #define SD_CSD_VDD_R_CURR_MIN(resp) MMC_RSP_BITS((resp), 59, 3) 312 #define SD_CSD_VDD_R_CURR_MAX(resp) MMC_RSP_BITS((resp), 56, 3) 313 #define SD_CSD_VDD_W_CURR_MIN(resp) MMC_RSP_BITS((resp), 53, 3) 314 #define SD_CSD_VDD_W_CURR_MAX(resp) MMC_RSP_BITS((resp), 50, 3) 315 #define SD_CSD_VDD_RW_CURR_100mA 0x7 316 #define SD_CSD_VDD_RW_CURR_80mA 0x6 317 #define SD_CSD_V2_C_SIZE(resp) MMC_RSP_BITS((resp), 48, 22) 318 #define SD_CSD_V2_CAPACITY(resp) ((SD_CSD_V2_C_SIZE((resp))+1) << 10) 319 #define SD_CSD_V2_BL_LEN 0x9 /* 512 */ 320 #define SD_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3) 321 #define SD_CSD_ERASE_BLK_EN(resp) MMC_RSP_BITS((resp), 46, 1) 322 #define SD_CSD_SECTOR_SIZE(resp) MMC_RSP_BITS((resp), 39, 7) /* +1 */ 323 #define SD_CSD_WP_GRP_SIZE(resp) MMC_RSP_BITS((resp), 32, 7) /* +1 */ 324 #define SD_CSD_WP_GRP_ENABLE(resp) MMC_RSP_BITS((resp), 31, 1) 325 #define SD_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3) 326 #define SD_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4) 327 #define SD_CSD_RW_BL_LEN_2G 0xa 328 #define SD_CSD_RW_BL_LEN_1G 0x9 329 #define SD_CSD_WRITE_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 21, 1) 330 #define SD_CSD_FILE_FORMAT_GRP(resp) MMC_RSP_BITS((resp), 15, 1) 331 #define SD_CSD_COPY(resp) MMC_RSP_BITS((resp), 14, 1) 332 #define SD_CSD_PERM_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 13, 1) 333 #define SD_CSD_TMP_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 12, 1) 334 #define SD_CSD_FILE_FORMAT(resp) MMC_RSP_BITS((resp), 10, 2) 335 336 /* SD R2 response (CID) */ 337 #define SD_CID_MID(resp) MMC_RSP_BITS((resp), 120, 8) 338 #define SD_CID_OID(resp) MMC_RSP_BITS((resp), 104, 16) 339 #define SD_CID_PNM_CPY(resp, pnm) \ 340 do { \ 341 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \ 342 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \ 343 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \ 344 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \ 345 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \ 346 (pnm)[5] = '\0'; \ 347 } while (/*CONSTCOND*/0) 348 #define SD_CID_REV(resp) MMC_RSP_BITS((resp), 56, 8) 349 #define SD_CID_PSN(resp) MMC_RSP_BITS((resp), 24, 32) 350 #define SD_CID_MDT(resp) MMC_RSP_BITS((resp), 8, 12) 351 352 /* SCR (SD Configuration Register) */ 353 #define SCR_STRUCTURE(scr) MMC_RSP_BITS((scr), 60, 4) 354 #define SCR_STRUCTURE_VER_1_0 0 /* Version 1.0 */ 355 #define SCR_SD_SPEC(scr) MMC_RSP_BITS((scr), 56, 4) 356 #define SCR_SD_SPEC_VER_1_0 0 /* Version 1.0 and 1.01 */ 357 #define SCR_SD_SPEC_VER_1_10 1 /* Version 1.10 */ 358 #define SCR_SD_SPEC_VER_2 2 /* Version 2.00 or Version 3.0X */ 359 #define SCR_DATA_STAT_AFTER_ERASE(scr) MMC_RSP_BITS((scr), 55, 1) 360 #define SCR_SD_SECURITY(scr) MMC_RSP_BITS((scr), 52, 3) 361 #define SCR_SD_SECURITY_NONE 0 /* no security */ 362 #define SCR_SD_SECURITY_1_0 1 /* security protocol 1.0 */ 363 #define SCR_SD_SECURITY_1_0_2 2 /* security protocol 1.0 */ 364 #define SCR_SD_BUS_WIDTHS(scr) MMC_RSP_BITS((scr), 48, 4) 365 #define SCR_SD_BUS_WIDTHS_1BIT (1 << 0) /* 1bit (DAT0) */ 366 #define SCR_SD_BUS_WIDTHS_4BIT (1 << 2) /* 4bit (DAT0-3) */ 367 #define SCR_SD_SPEC3(scr) MMC_RSP_BITS((scr), 47, 1) 368 #define SCR_EX_SECURITY(scr) MMC_RSP_BITS((scr), 43, 4) 369 #define SCR_SD_SPEC4(scr) MMC_RSP_BITS((scr), 42, 1) 370 #define SCR_RESERVED(scr) MMC_RSP_BITS((scr), 34, 9) 371 #define SCR_CMD_SUPPORT_CMD48(scr) MMC_RSP_BITS((scr), 34, 1) 372 #define SCR_CMD_SUPPORT_CMD23(scr) MMC_RSP_BITS((scr), 33, 1) 373 #define SCR_CMD_SUPPORT_CMD20(scr) MMC_RSP_BITS((scr), 32, 1) 374 #define SCR_RESERVED2(scr) MMC_RSP_BITS((scr), 0, 32) 375 376 /* SSR (SD Status Register) */ 377 #define SSR_DAT_BUS_WIDTH(resp) __bitfield((resp), 510, 2) 378 #define SSR_DAT_BUS_WIDTH_1 0 379 #define SSR_DAT_BUS_WIDTH_4 2 380 #define SSR_SECURED_MODE(resp) __bitfield((resp), 509, 1) 381 #define SSR_SD_CARD_TYPE(resp) __bitfield((resp), 480, 16) 382 #define SSR_SD_CARD_TYPE_RDWR 0 383 #define SSR_SD_CARD_TYPE_ROM 1 384 #define SSR_SD_CARD_TYPE_OTP 2 385 #define SSR_SIZE_OF_PROTECTED_AREA(resp) __bitfield((resp), 448, 32) 386 #define SSR_SPEED_CLASS(resp) __bitfield((resp), 440, 8) 387 #define SSR_SPEED_CLASS_0 0 388 #define SSR_SPEED_CLASS_2 1 389 #define SSR_SPEED_CLASS_4 2 390 #define SSR_SPEED_CLASS_6 3 391 #define SSR_SPEED_CLASS_10 4 392 #define SSR_PERFORMANCE_MOVE(resp) __bitfield((resp), 432, 8) 393 #define SSR_AU_SIZE(resp) __bitfield((resp), 428, 4) 394 #define SSR_ERASE_SIZE(resp) __bitfield((resp), 408, 16) 395 #define SSR_ERASE_TIMEOUT(resp) __bitfield((resp), 402, 6) 396 #define SSR_ERASE_OFFSET(resp) __bitfield((resp), 400, 2) 397 #define SSR_UHS_SPEED_GRADE(resp) __bitfield((resp), 396, 4) 398 #define SSR_UHS_SPEED_GRADE_10MB 1 399 #define SSR_UHS_SPEED_GRADE_30MB 3 400 #define SSR_UHS_AU_SIZE(resp) __bitfield((resp), 392, 4) 401 #define SSR_VIDEO_SPEED_CLASS(resp) __bitfield((resp), 384, 8) 402 #define SSR_VSC_AU_SIZE(resp) __bitfield((resp), 368, 10) 403 #define SSR_SUS_ADDR(resp) __bitfield((resp), 346, 22) 404 #define SSR_APP_PERF_CLASS(resp) __bitfield((resp), 336, 4) 405 #define SSR_APP_PERF_CLASS_UNSUPPORTED 0 406 #define SSR_APP_PERF_CLASS_A1 1 407 #define SSR_APP_PERF_CLASS_A2 2 408 #define SSR_PERFORMANCE_ENHANCE(resp) __bitfield((resp), 328, 8) 409 #define SSR_PERFORMANCE_ENHANCE_CACHE __BIT(0) 410 #define SSR_PERFORMANCE_ENHANCE_HOST_MAINT __BIT(1) 411 #define SSR_PERFORMANCE_ENHANCE_CARD_MAINT __BIT(2) 412 #define SSR_PERFORMANCE_ENHANCE_COMMAND_QUEUE __BITS(7,3) 413 #define SSR_DISCARD_SUPPORT(resp) __bitfield((resp), 313, 1) 414 #define SSR_FULE_SUPPORT(resp) __bitfield((resp), 312, 1) 415 416 /* Status of Switch Function */ 417 #define SFUNC_STATUS_GROUP(status, group) \ 418 (__bitfield((uint32_t *)(status), 400 + (group - 1) * 16, 16)) 419 420 #define SD_ACCESS_MODE_SDR12 0 421 #define SD_ACCESS_MODE_SDR25 1 422 #define SD_ACCESS_MODE_SDR50 2 423 #define SD_ACCESS_MODE_SDR104 3 424 #define SD_ACCESS_MODE_DDR50 4 425 426 /* SD extension data */ 427 #define SD_GENERAL_INFO_HDR_REVISION(data) le16dec(&(data)[0]) 428 #define SD_GENERAL_INFO_HDR_LENGTH(data) le16dec(&(data)[2]) 429 #define SD_GENERAL_INFO_HDR_NUM_EXT(data) ((data)[4]) 430 #define SD_GENERAL_INFO_EXT_FIRST 16 431 #define SD_EXTENSION_INFO_SFC(data, index) le16dec(&(data)[(index) + 0]) 432 #define SD_EXTENSION_INFO_NEXT(data, index) le16dec(&(data)[(index) + 40]) 433 #define SD_EXTENSION_INFO_NUM_REG(data, index) ((data)[(index) + 42]) 434 #define SD_EXTENSION_INFO_REG(data, index, num) le32dec(&(data)[(index) + 44 + (num) * 4]) 435 436 #define SD_EXTENSION_INFO_REG_FNO(addr) (((addr) >> 18) & 0xf) 437 #define SD_EXTENSION_INFO_REG_START_ADDR(addr) ((addr) & 0x1ffff) 438 439 /* SD extension standard function codes */ 440 #define SD_SFC_PEF 0x0002 441 442 /* Performance Enhancement Function */ 443 #define SD_PEF_CACHE_SUPPORT(data) ((data)[4] & 0x01) 444 #define SD_PEF_CACHE_ENABLE(data) ((data)[260] & 0x01) 445 #define SD_PEF_CACHE_FLUSH(data) ((data)[261] & 0x01) 446 #define SD_PEF_CACHE_ENABLE_OFFSET 260 447 #define SD_PEF_CACHE_FLUSH_OFFSET 261 448 449 /* This assumes the response fields are in host byte order in 32-bit units. */ 450 #define MMC_RSP_BITS(resp, start, len) __bitfield((resp), (start)-8, (len)) 451 static __inline uint32_t 452 __bitfield(const uint32_t *src, size_t start, size_t len) 453 { 454 if (start + len > 512 || len == 0 || len > 32) 455 return 0; 456 457 src += start / 32; 458 start %= 32; 459 460 uint32_t dst = src[0] >> start; 461 462 if (__predict_false((start + len - 1) / 32 != start / 32)) { 463 dst |= src[1] << (32 - start); 464 } 465 466 return dst & (__BIT(len) - 1); 467 } 468 469 #endif /* _SDMMCREG_H_ */ 470