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 18*375b5359SAvri Altman /* Class 2 */ 19*375b5359SAvri Altman #define SD_ADDR_EXT 22 /* ac [5:0] R1 */ 20*375b5359SAvri Altman 21da7fbe58SPierre Ossman /* class 10 */ 22da7fbe58SPierre Ossman #define SD_SWITCH 6 /* adtc [31:0] See below R1 */ 23da7fbe58SPierre Ossman 24dfe86cbaSAdrian Hunter /* class 5 */ 25dfe86cbaSAdrian Hunter #define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */ 26dfe86cbaSAdrian Hunter #define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */ 27dfe86cbaSAdrian Hunter 28da7fbe58SPierre Ossman /* Application commands */ 29da7fbe58SPierre Ossman #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ 30dfe86cbaSAdrian Hunter #define SD_APP_SD_STATUS 13 /* adtc R1 */ 31da7fbe58SPierre Ossman #define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */ 32da7fbe58SPierre Ossman #define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ 33da7fbe58SPierre Ossman #define SD_APP_SEND_SCR 51 /* adtc R1 */ 34da7fbe58SPierre Ossman 35c784f927SUlf Hansson /* class 11 */ 36c784f927SUlf Hansson #define SD_READ_EXTR_SINGLE 48 /* adtc [31:0] R1 */ 372c5d4276SUlf Hansson #define SD_WRITE_EXTR_SINGLE 49 /* adtc [31:0] R1 */ 38c784f927SUlf Hansson 39f2119df6SArindam Nath /* OCR bit definitions */ 40f2119df6SArindam Nath #define SD_OCR_S18R (1 << 24) /* 1.8V switching request */ 41f2119df6SArindam Nath #define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */ 42fce2ce78SAvri Altman #define SD_OCR_2T (1 << 27) /* HO2T/CO2T - SDUC support */ 43f2119df6SArindam Nath #define SD_OCR_XPC (1 << 28) /* SDXC power control */ 44f2119df6SArindam Nath #define SD_OCR_CCS (1 << 30) /* Card Capacity Status */ 45f2119df6SArindam Nath 46da7fbe58SPierre Ossman /* 47da7fbe58SPierre Ossman * SD_SWITCH argument format: 48da7fbe58SPierre Ossman * 49da7fbe58SPierre Ossman * [31] Check (0) or switch (1) 50da7fbe58SPierre Ossman * [30:24] Reserved (0) 51da7fbe58SPierre Ossman * [23:20] Function group 6 52da7fbe58SPierre Ossman * [19:16] Function group 5 53da7fbe58SPierre Ossman * [15:12] Function group 4 54da7fbe58SPierre Ossman * [11:8] Function group 3 55da7fbe58SPierre Ossman * [7:4] Function group 2 56da7fbe58SPierre Ossman * [3:0] Function group 1 57da7fbe58SPierre Ossman */ 58da7fbe58SPierre Ossman 59da7fbe58SPierre Ossman /* 60da7fbe58SPierre Ossman * SD_SEND_IF_COND argument format: 61da7fbe58SPierre Ossman * 62da7fbe58SPierre Ossman * [31:12] Reserved (0) 63da7fbe58SPierre Ossman * [11:8] Host Voltage Supply Flags 64da7fbe58SPierre Ossman * [7:0] Check Pattern (0xAA) 65da7fbe58SPierre Ossman */ 66da7fbe58SPierre Ossman 67da7fbe58SPierre Ossman /* 68da7fbe58SPierre Ossman * SCR field definitions 69da7fbe58SPierre Ossman */ 70da7fbe58SPierre Ossman 71da7fbe58SPierre Ossman #define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */ 72da7fbe58SPierre Ossman #define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */ 73f0d89972SAndrei Warkentin #define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */ 74da7fbe58SPierre Ossman 75da7fbe58SPierre Ossman /* 76da7fbe58SPierre Ossman * SD bus widths 77da7fbe58SPierre Ossman */ 78da7fbe58SPierre Ossman #define SD_BUS_WIDTH_1 0 79da7fbe58SPierre Ossman #define SD_BUS_WIDTH_4 2 80da7fbe58SPierre Ossman 81da7fbe58SPierre Ossman /* 82da7fbe58SPierre Ossman * SD_SWITCH mode 83da7fbe58SPierre Ossman */ 84da7fbe58SPierre Ossman #define SD_SWITCH_CHECK 0 85da7fbe58SPierre Ossman #define SD_SWITCH_SET 1 86da7fbe58SPierre Ossman 87da7fbe58SPierre Ossman /* 88da7fbe58SPierre Ossman * SD_SWITCH function groups 89da7fbe58SPierre Ossman */ 90da7fbe58SPierre Ossman #define SD_SWITCH_GRP_ACCESS 0 91da7fbe58SPierre Ossman 92da7fbe58SPierre Ossman /* 93da7fbe58SPierre Ossman * SD_SWITCH access modes 94da7fbe58SPierre Ossman */ 95da7fbe58SPierre Ossman #define SD_SWITCH_ACCESS_DEF 0 96da7fbe58SPierre Ossman #define SD_SWITCH_ACCESS_HS 1 97da7fbe58SPierre Ossman 9801904ff7SAvri Altman /* 9901904ff7SAvri Altman * Erase/discard 10001904ff7SAvri Altman */ 10101904ff7SAvri Altman #define SD_ERASE_ARG 0x00000000 102bc47e2f6SAvri Altman #define SD_DISCARD_ARG 0x00000001 10301904ff7SAvri Altman 104100e9186SRobert P. J. Day #endif /* LINUX_MMC_SD_H */ 105