| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * include/linux/mmc/sd.h |
| * |
| * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved. |
| */ |
| |
| #ifndef LINUX_MMC_SD_H |
| #define LINUX_MMC_SD_H |
| |
| /* SD commands type argument response */ |
| /* class 0 */ |
| /* This is basically the same command as for MMC with some quirks. */ |
| #define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */ |
| #define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */ |
| #define SD_SWITCH_VOLTAGE 11 /* ac R1 */ |
| |
| /* class 10 */ |
| #define SD_SWITCH 6 /* adtc [31:0] See below R1 */ |
| |
| /* class 5 */ |
| #define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */ |
| #define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */ |
| |
| /* Application commands */ |
| #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ |
| #define SD_APP_SD_STATUS 13 /* adtc R1 */ |
| #define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */ |
| #define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ |
| #define SD_APP_SEND_SCR 51 /* adtc R1 */ |
| |
| /* OCR bit definitions */ |
| #define SD_OCR_S18R (1 << 24) /* 1.8V switching request */ |
| #define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */ |
| #define SD_OCR_XPC (1 << 28) /* SDXC power control */ |
| #define SD_OCR_CCS (1 << 30) /* Card Capacity Status */ |
| |
| /* |
| * SD_SWITCH argument format: |
| * |
| * [31] Check (0) or switch (1) |
| * [30:24] Reserved (0) |
| * [23:20] Function group 6 |
| * [19:16] Function group 5 |
| * [15:12] Function group 4 |
| * [11:8] Function group 3 |
| * [7:4] Function group 2 |
| * [3:0] Function group 1 |
| */ |
| |
| /* |
| * SD_SEND_IF_COND argument format: |
| * |
| * [31:12] Reserved (0) |
| * [11:8] Host Voltage Supply Flags |
| * [7:0] Check Pattern (0xAA) |
| */ |
| |
| /* |
| * SCR field definitions |
| */ |
| |
| #define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */ |
| #define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */ |
| #define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */ |
| |
| /* |
| * SD bus widths |
| */ |
| #define SD_BUS_WIDTH_1 0 |
| #define SD_BUS_WIDTH_4 2 |
| |
| /* |
| * SD_SWITCH mode |
| */ |
| #define SD_SWITCH_CHECK 0 |
| #define SD_SWITCH_SET 1 |
| |
| /* |
| * SD_SWITCH function groups |
| */ |
| #define SD_SWITCH_GRP_ACCESS 0 |
| |
| /* |
| * SD_SWITCH access modes |
| */ |
| #define SD_SWITCH_ACCESS_DEF 0 |
| #define SD_SWITCH_ACCESS_HS 1 |
| |
| /* |
| * Erase/discard |
| */ |
| #define SD_ERASE_ARG 0x00000000 |
| #define SD_DISCARD_ARG 0x00000001 |
| |
| #endif /* LINUX_MMC_SD_H */ |
