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232 lines
8.6 KiB
C
232 lines
8.6 KiB
C
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/* $OpenBSD: sdmmcreg.h,v 1.4 2009/01/09 10:55:22 jsg Exp $ */
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/*
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* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _SDMMCREG_H_
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#define _SDMMCREG_H_
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/* MMC commands */ /* response type */
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#define MMC_GO_IDLE_STATE 0 /* R0 */
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#define MMC_SEND_OP_COND 1 /* R3 */
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#define MMC_ALL_SEND_CID 2 /* R2 */
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#define MMC_SET_RELATIVE_ADDR 3 /* R1 */
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#define MMC_SELECT_CARD 7 /* R1 */
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#define MMC_SEND_CSD 9 /* R2 */
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#define MMC_STOP_TRANSMISSION 12 /* R1B */
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#define MMC_SEND_STATUS 13 /* R1 */
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#define MMC_SET_BLOCKLEN 16 /* R1 */
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#define MMC_READ_BLOCK_SINGLE 17 /* R1 */
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#define MMC_READ_BLOCK_MULTIPLE 18 /* R1 */
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#define MMC_SET_BLOCK_COUNT 23 /* R1 */
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#define MMC_WRITE_BLOCK_SINGLE 24 /* R1 */
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#define MMC_WRITE_BLOCK_MULTIPLE 25 /* R1 */
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#define MMC_APP_CMD 55 /* R1 */
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/* SD commands */ /* response type */
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#define SD_SEND_RELATIVE_ADDR 3 /* R6 */
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#define SD_SEND_IF_COND 8 /* R7 */
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/* SD application commands */ /* response type */
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#define SD_APP_SET_BUS_WIDTH 6 /* R1 */
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#define SD_APP_OP_COND 41 /* R3 */
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/* OCR bits */
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#define MMC_OCR_MEM_READY (1<<31) /* memory power-up status bit */
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#define MMC_OCR_3_5V_3_6V (1<<23)
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#define MMC_OCR_3_4V_3_5V (1<<22)
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#define MMC_OCR_3_3V_3_4V (1<<21)
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#define MMC_OCR_3_2V_3_3V (1<<20)
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#define MMC_OCR_3_1V_3_2V (1<<19)
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#define MMC_OCR_3_0V_3_1V (1<<18)
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#define MMC_OCR_2_9V_3_0V (1<<17)
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#define MMC_OCR_2_8V_2_9V (1<<16)
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#define MMC_OCR_2_7V_2_8V (1<<15)
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#define MMC_OCR_2_6V_2_7V (1<<14)
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#define MMC_OCR_2_5V_2_6V (1<<13)
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#define MMC_OCR_2_4V_2_5V (1<<12)
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#define MMC_OCR_2_3V_2_4V (1<<11)
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#define MMC_OCR_2_2V_2_3V (1<<10)
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#define MMC_OCR_2_1V_2_2V (1<<9)
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#define MMC_OCR_2_0V_2_1V (1<<8)
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#define MMC_OCR_1_9V_2_0V (1<<7)
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#define MMC_OCR_1_8V_1_9V (1<<6)
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#define MMC_OCR_1_7V_1_8V (1<<5)
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#define MMC_OCR_1_6V_1_7V (1<<4)
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#define SD_OCR_SDHC_CAP (1<<30)
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#define SD_OCR_VOL_MASK 0xFF8000 /* bits 23:15 */
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/* R1 response type bits */
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#define MMC_R1_READY_FOR_DATA (1<<8) /* ready for next transfer */
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#define MMC_R1_APP_CMD (1<<5) /* app. commands supported */
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/* 48-bit response decoding (32 bits w/o CRC) */
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#define MMC_R1(resp) ((resp)[0])
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#define MMC_R3(resp) ((resp)[0])
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#define SD_R6(resp) ((resp)[0])
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/* RCA argument and response */
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#define MMC_ARG_RCA(rca) ((rca) << 16)
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#define SD_R6_RCA(resp) (SD_R6((resp)) >> 16)
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/* bus width argument */
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#define SD_ARG_BUS_WIDTH_1 0
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#define SD_ARG_BUS_WIDTH_4 2
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/* MMC R2 response (CSD) */
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#define MMC_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2)
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#define MMC_CSD_CSDVER_1_0 1
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#define MMC_CSD_CSDVER_2_0 2
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#define MMC_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4)
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#define MMC_CSD_MMCVER_1_0 0 /* MMC 1.0 - 1.2 */
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#define MMC_CSD_MMCVER_1_4 1 /* MMC 1.4 */
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#define MMC_CSD_MMCVER_2_0 2 /* MMC 2.0 - 2.2 */
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#define MMC_CSD_MMCVER_3_1 3 /* MMC 3.1 - 3.3 */
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#define MMC_CSD_MMCVER_4_0 4 /* MMC 4 */
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#define MMC_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4)
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#define MMC_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12)
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#define MMC_CSD_CAPACITY(resp) ((MMC_CSD_C_SIZE((resp))+1) << \
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(MMC_CSD_C_SIZE_MULT((resp))+2))
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#define MMC_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3)
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/* MMC v1 R2 response (CID) */
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#define MMC_CID_MID_V1(resp) MMC_RSP_BITS((resp), 104, 24)
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#define MMC_CID_PNM_V1_CPY(resp, pnm) \
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do { \
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(pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
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(pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
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(pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
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(pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
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(pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
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(pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \
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(pnm)[6] = MMC_RSP_BITS((resp), 48, 8); \
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(pnm)[7] = '\0'; \
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} while (0)
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#define MMC_CID_REV_V1(resp) MMC_RSP_BITS((resp), 40, 8)
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#define MMC_CID_PSN_V1(resp) MMC_RSP_BITS((resp), 16, 24)
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#define MMC_CID_MDT_V1(resp) MMC_RSP_BITS((resp), 8, 8)
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/* MMC v2 R2 response (CID) */
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#define MMC_CID_MID_V2(resp) MMC_RSP_BITS((resp), 120, 8)
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#define MMC_CID_OID_V2(resp) MMC_RSP_BITS((resp), 104, 16)
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#define MMC_CID_PNM_V2_CPY(resp, pnm) \
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do { \
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(pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
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(pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
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(pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
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(pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
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(pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
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(pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \
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(pnm)[6] = '\0'; \
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} while (0)
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#define MMC_CID_PSN_V2(resp) MMC_RSP_BITS((resp), 16, 32)
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/* SD R2 response (CSD) */
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#define SD_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2)
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#define SD_CSD_CSDVER_1_0 0
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#define SD_CSD_CSDVER_2_0 1
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#define SD_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8)
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#define SD_CSD_TAAC_1_5_MSEC 0x26
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#define SD_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8)
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#define SD_CSD_SPEED(resp) MMC_RSP_BITS((resp), 96, 8)
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#define SD_CSD_SPEED_25_MHZ 0x32
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#define SD_CSD_SPEED_50_MHZ 0x5a
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#define SD_CSD_CCC(resp) MMC_RSP_BITS((resp), 84, 12)
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#define SD_CSD_CCC_ALL 0x5f5
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#define SD_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4)
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#define SD_CSD_READ_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 79, 1)
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#define SD_CSD_WRITE_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 78, 1)
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#define SD_CSD_READ_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 77, 1)
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#define SD_CSD_DSR_IMP(resp) MMC_RSP_BITS((resp), 76, 1)
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#define SD_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12)
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#define SD_CSD_CAPACITY(resp) ((SD_CSD_C_SIZE((resp))+1) << \
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(SD_CSD_C_SIZE_MULT((resp))+2))
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#define SD_CSD_V2_C_SIZE(resp) MMC_RSP_BITS((resp), 48, 22)
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#define SD_CSD_V2_CAPACITY(resp) ((SD_CSD_V2_C_SIZE((resp))+1) << 10)
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#define SD_CSD_V2_BL_LEN 0x9 /* 512 */
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#define SD_CSD_VDD_R_CURR_MIN(resp) MMC_RSP_BITS((resp), 59, 3)
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#define SD_CSD_VDD_R_CURR_MAX(resp) MMC_RSP_BITS((resp), 56, 3)
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#define SD_CSD_VDD_W_CURR_MIN(resp) MMC_RSP_BITS((resp), 53, 3)
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#define SD_CSD_VDD_W_CURR_MAX(resp) MMC_RSP_BITS((resp), 50, 3)
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#define SD_CSD_VDD_RW_CURR_100mA 0x7
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#define SD_CSD_VDD_RW_CURR_80mA 0x6
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#define SD_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3)
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#define SD_CSD_ERASE_BLK_EN(resp) MMC_RSP_BITS((resp), 46, 1)
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#define SD_CSD_SECTOR_SIZE(resp) MMC_RSP_BITS((resp), 39, 7) /* +1 */
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#define SD_CSD_WP_GRP_SIZE(resp) MMC_RSP_BITS((resp), 32, 7) /* +1 */
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#define SD_CSD_WP_GRP_ENABLE(resp) MMC_RSP_BITS((resp), 31, 1)
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#define SD_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3)
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#define SD_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4)
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#define SD_CSD_RW_BL_LEN_2G 0xa
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#define SD_CSD_RW_BL_LEN_1G 0x9
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#define SD_CSD_WRITE_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 21, 1)
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#define SD_CSD_FILE_FORMAT_GRP(resp) MMC_RSP_BITS((resp), 15, 1)
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#define SD_CSD_COPY(resp) MMC_RSP_BITS((resp), 14, 1)
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#define SD_CSD_PERM_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 13, 1)
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#define SD_CSD_TMP_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 12, 1)
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#define SD_CSD_FILE_FORMAT(resp) MMC_RSP_BITS((resp), 10, 2)
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/* SD R2 response (CID) */
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#define SD_CID_MID(resp) MMC_RSP_BITS((resp), 120, 8)
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#define SD_CID_OID(resp) MMC_RSP_BITS((resp), 104, 16)
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#define SD_CID_PNM_CPY(resp, pnm) \
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do { \
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(pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
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(pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
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(pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
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(pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
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(pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
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(pnm)[5] = '\0'; \
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} while (0)
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#define SD_CID_REV(resp) MMC_RSP_BITS((resp), 56, 8)
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#define SD_CID_PSN(resp) MMC_RSP_BITS((resp), 24, 32)
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#define SD_CID_MDT(resp) MMC_RSP_BITS((resp), 8, 12)
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/* Might be slow, but it should work on big and little endian systems. */
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#define MMC_RSP_BITS(resp, start, len) __bitfield((resp), (start)-8, (len))
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static __inline int
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__bitfield(u_int32_t *src, int start, int len)
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{
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u_int8_t *sp;
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u_int32_t dst, mask;
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int shift, bs, bc;
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if (start < 0 || len < 0 || len > 32)
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return 0;
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dst = 0;
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mask = len % 32 ? UINT_MAX >> (32 - (len % 32)) : UINT_MAX;
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shift = 0;
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while (len > 0) {
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sp = (u_int8_t *)src + start / 8;
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bs = start % 8;
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bc = 8 - bs;
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if (bc > len)
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bc = len;
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dst |= (*sp++ >> bs) << shift;
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shift += bc;
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start += bc;
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len -= bc;
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}
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dst &= mask;
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return (int)dst;
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}
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#endif
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