| /* | |
| * include/linux/mmc/sd.h | |
| * | |
| * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved. | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or (at | |
| * your option) any later version. | |
| */ | |
| #ifndef MMC_SD_H | |
| #define 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 */ | |
| /* class 10 */ | |
| #define SD_SWITCH 6 /* adtc [31:0] See below R1 */ | |
| /* Application commands */ | |
| #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width 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 */ | |
| /* | |
| * 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 */ | |
| /* | |
| * 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 | |
| #endif | |