| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * include/linux/mmc/sd.h |
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| 4 | * |
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| 5 | * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved. |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef LINUX_MMC_SD_H |
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| 9 | #define LINUX_MMC_SD_H |
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| 10 | |
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| 11 | /* SD commands type argument response */ |
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| 12 | /* class 0 */ |
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| 13 | /* This is basically the same command as for MMC with some quirks. */ |
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| 14 | #define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */ |
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| 15 | #define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */ |
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| 16 | #define SD_SWITCH_VOLTAGE 11 /* ac R1 */ |
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| 17 | |
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| 18 | /* class 10 */ |
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| 19 | #define SD_SWITCH 6 /* adtc [31:0] See below R1 */ |
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| 20 | |
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| 21 | /* class 5 */ |
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| 22 | #define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */ |
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| 23 | #define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */ |
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| 24 | |
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| 25 | /* Application commands */ |
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| 26 | #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ |
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| 27 | #define SD_APP_SD_STATUS 13 /* adtc R1 */ |
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| 28 | #define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */ |
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| 29 | #define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ |
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| 30 | #define SD_APP_SEND_SCR 51 /* adtc R1 */ |
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| 31 | |
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| 32 | /* class 11 */ |
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| 33 | #define SD_READ_EXTR_SINGLE 48 /* adtc [31:0] R1 */ |
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| 34 | #define SD_WRITE_EXTR_SINGLE 49 /* adtc [31:0] R1 */ |
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| 35 | |
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| 36 | /* OCR bit definitions */ |
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| 37 | #define SD_OCR_S18R (1 << 24) /* 1.8V switching request */ |
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| 38 | #define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */ |
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| 39 | #define SD_OCR_XPC (1 << 28) /* SDXC power control */ |
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| 40 | #define SD_OCR_CCS (1 << 30) /* Card Capacity Status */ |
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| 41 | |
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| 42 | /* |
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| 43 | * SD_SWITCH argument format: |
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| 44 | * |
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| 45 | * [31] Check (0) or switch (1) |
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| 46 | * [30:24] Reserved (0) |
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| 47 | * [23:20] Function group 6 |
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| 48 | * [19:16] Function group 5 |
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| 49 | * [15:12] Function group 4 |
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| 50 | * [11:8] Function group 3 |
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| 51 | * [7:4] Function group 2 |
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| 52 | * [3:0] Function group 1 |
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| 53 | */ |
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| 54 | |
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| 55 | /* |
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| 56 | * SD_SEND_IF_COND argument format: |
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| 57 | * |
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| 58 | * [31:12] Reserved (0) |
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| 59 | * [11:8] Host Voltage Supply Flags |
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| 60 | * [7:0] Check Pattern (0xAA) |
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| 61 | */ |
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| 62 | |
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| 63 | /* |
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| 64 | * SCR field definitions |
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| 65 | */ |
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| 66 | |
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| 67 | #define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */ |
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| 68 | #define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */ |
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| 69 | #define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */ |
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| 70 | |
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| 71 | /* |
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| 72 | * SD bus widths |
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| 73 | */ |
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| 74 | #define SD_BUS_WIDTH_1 0 |
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| 75 | #define SD_BUS_WIDTH_4 2 |
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| 76 | |
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| 77 | /* |
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| 78 | * SD_SWITCH mode |
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| 79 | */ |
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| 80 | #define SD_SWITCH_CHECK 0 |
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| 81 | #define SD_SWITCH_SET 1 |
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| 82 | |
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| 83 | /* |
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| 84 | * SD_SWITCH function groups |
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| 85 | */ |
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| 86 | #define SD_SWITCH_GRP_ACCESS 0 |
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| 87 | |
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| 88 | /* |
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| 89 | * SD_SWITCH access modes |
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| 90 | */ |
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| 91 | #define SD_SWITCH_ACCESS_DEF 0 |
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| 92 | #define SD_SWITCH_ACCESS_HS 1 |
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| 93 | |
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| 94 | /* |
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| 95 | * Erase/discard |
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| 96 | */ |
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| 97 | #define SD_ERASE_ARG 0x00000000 |
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| 98 | #define SD_DISCARD_ARG 0x00000001 |
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| 99 | |
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| 100 | #endif /* LINUX_MMC_SD_H */ |
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| 101 | |
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