12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2da7fbe58SPierre Ossman /* 3da7fbe58SPierre Ossman * include/linux/mmc/sd.h 4da7fbe58SPierre Ossman * 5da7fbe58SPierre Ossman * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved. 6da7fbe58SPierre Ossman */ 7da7fbe58SPierre Ossman 8100e9186SRobert P. J. Day #ifndef LINUX_MMC_SD_H 9100e9186SRobert P. J. Day #define LINUX_MMC_SD_H 10da7fbe58SPierre Ossman 11da7fbe58SPierre Ossman /* SD commands type argument response */ 12da7fbe58SPierre Ossman /* class 0 */ 13da7fbe58SPierre Ossman /* This is basically the same command as for MMC with some quirks. */ 14da7fbe58SPierre Ossman #define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */ 15da7fbe58SPierre Ossman #define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */ 16f2119df6SArindam Nath #define SD_SWITCH_VOLTAGE 11 /* ac R1 */ 17da7fbe58SPierre Ossman 18da7fbe58SPierre Ossman /* class 10 */ 19da7fbe58SPierre Ossman #define SD_SWITCH 6 /* adtc [31:0] See below R1 */ 20da7fbe58SPierre Ossman 21dfe86cbaSAdrian Hunter /* class 5 */ 22dfe86cbaSAdrian Hunter #define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */ 23dfe86cbaSAdrian Hunter #define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */ 24dfe86cbaSAdrian Hunter 25da7fbe58SPierre Ossman /* Application commands */ 26da7fbe58SPierre Ossman #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ 27dfe86cbaSAdrian Hunter #define SD_APP_SD_STATUS 13 /* adtc R1 */ 28da7fbe58SPierre Ossman #define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */ 29da7fbe58SPierre Ossman #define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ 30da7fbe58SPierre Ossman #define SD_APP_SEND_SCR 51 /* adtc R1 */ 31da7fbe58SPierre Ossman 32c784f927SUlf Hansson /* class 11 */ 33c784f927SUlf Hansson #define SD_READ_EXTR_SINGLE 48 /* adtc [31:0] R1 */ 34*2c5d4276SUlf Hansson #define SD_WRITE_EXTR_SINGLE 49 /* adtc [31:0] R1 */ 35c784f927SUlf Hansson 36f2119df6SArindam Nath /* OCR bit definitions */ 37f2119df6SArindam Nath #define SD_OCR_S18R (1 << 24) /* 1.8V switching request */ 38f2119df6SArindam Nath #define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */ 39f2119df6SArindam Nath #define SD_OCR_XPC (1 << 28) /* SDXC power control */ 40f2119df6SArindam Nath #define SD_OCR_CCS (1 << 30) /* Card Capacity Status */ 41f2119df6SArindam Nath 42da7fbe58SPierre Ossman /* 43da7fbe58SPierre Ossman * SD_SWITCH argument format: 44da7fbe58SPierre Ossman * 45da7fbe58SPierre Ossman * [31] Check (0) or switch (1) 46da7fbe58SPierre Ossman * [30:24] Reserved (0) 47da7fbe58SPierre Ossman * [23:20] Function group 6 48da7fbe58SPierre Ossman * [19:16] Function group 5 49da7fbe58SPierre Ossman * [15:12] Function group 4 50da7fbe58SPierre Ossman * [11:8] Function group 3 51da7fbe58SPierre Ossman * [7:4] Function group 2 52da7fbe58SPierre Ossman * [3:0] Function group 1 53da7fbe58SPierre Ossman */ 54da7fbe58SPierre Ossman 55da7fbe58SPierre Ossman /* 56da7fbe58SPierre Ossman * SD_SEND_IF_COND argument format: 57da7fbe58SPierre Ossman * 58da7fbe58SPierre Ossman * [31:12] Reserved (0) 59da7fbe58SPierre Ossman * [11:8] Host Voltage Supply Flags 60da7fbe58SPierre Ossman * [7:0] Check Pattern (0xAA) 61da7fbe58SPierre Ossman */ 62da7fbe58SPierre Ossman 63da7fbe58SPierre Ossman /* 64da7fbe58SPierre Ossman * SCR field definitions 65da7fbe58SPierre Ossman */ 66da7fbe58SPierre Ossman 67da7fbe58SPierre Ossman #define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */ 68da7fbe58SPierre Ossman #define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */ 69f0d89972SAndrei Warkentin #define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */ 70da7fbe58SPierre Ossman 71da7fbe58SPierre Ossman /* 72da7fbe58SPierre Ossman * SD bus widths 73da7fbe58SPierre Ossman */ 74da7fbe58SPierre Ossman #define SD_BUS_WIDTH_1 0 75da7fbe58SPierre Ossman #define SD_BUS_WIDTH_4 2 76da7fbe58SPierre Ossman 77da7fbe58SPierre Ossman /* 78da7fbe58SPierre Ossman * SD_SWITCH mode 79da7fbe58SPierre Ossman */ 80da7fbe58SPierre Ossman #define SD_SWITCH_CHECK 0 81da7fbe58SPierre Ossman #define SD_SWITCH_SET 1 82da7fbe58SPierre Ossman 83da7fbe58SPierre Ossman /* 84da7fbe58SPierre Ossman * SD_SWITCH function groups 85da7fbe58SPierre Ossman */ 86da7fbe58SPierre Ossman #define SD_SWITCH_GRP_ACCESS 0 87da7fbe58SPierre Ossman 88da7fbe58SPierre Ossman /* 89da7fbe58SPierre Ossman * SD_SWITCH access modes 90da7fbe58SPierre Ossman */ 91da7fbe58SPierre Ossman #define SD_SWITCH_ACCESS_DEF 0 92da7fbe58SPierre Ossman #define SD_SWITCH_ACCESS_HS 1 93da7fbe58SPierre Ossman 9401904ff7SAvri Altman /* 9501904ff7SAvri Altman * Erase/discard 9601904ff7SAvri Altman */ 9701904ff7SAvri Altman #define SD_ERASE_ARG 0x00000000 98bc47e2f6SAvri Altman #define SD_DISCARD_ARG 0x00000001 9901904ff7SAvri Altman 100100e9186SRobert P. J. Day #endif /* LINUX_MMC_SD_H */ 101