You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.1 KiB
83 lines
2.1 KiB
/*
|
|
* 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
|
|
|
|
|