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/* * 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 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 #endif /* LINUX_MMC_SD_H */