forked from luck/tmp_suning_uos_patched
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/*
|
|
* include/linux/mmc/sdio.h
|
|
*
|
|
* Copyright 2006-2007 Pierre Ossman
|
|
*
|
|
* 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_SDIO_H
|
|
#define MMC_SDIO_H
|
|
|
|
/* SDIO commands type argument response */
|
|
#define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */
|
|
#define SD_IO_RW_DIRECT 52 /* ac [31:0] See below R5 */
|
|
|
|
/*
|
|
* SD_IO_RW_DIRECT argument format:
|
|
*
|
|
* [31] R/W flag
|
|
* [30:28] Function number
|
|
* [27] RAW flag
|
|
* [25:9] Register address
|
|
* [7:0] Data
|
|
*/
|
|
|
|
/*
|
|
SDIO status in R5
|
|
Type
|
|
e : error bit
|
|
s : status bit
|
|
r : detected and set for the actual command response
|
|
x : detected and set during command execution. the host must poll
|
|
the card by sending status command in order to read these bits.
|
|
Clear condition
|
|
a : according to the card state
|
|
b : always related to the previous command. Reception of
|
|
a valid command will clear it (with a delay of one command)
|
|
c : clear by read
|
|
*/
|
|
|
|
#define R5_COM_CRC_ERROR (1 << 15) /* er, b */
|
|
#define R5_ILLEGAL_COMMAND (1 << 14) /* er, b */
|
|
#define R5_ERROR (1 << 11) /* erx, c */
|
|
#define R5_FUNCTION_NUMBER (1 << 9) /* er, c */
|
|
#define R5_OUT_OF_RANGE (1 << 8) /* er, c */
|
|
#define R5_STATUS(x) (x & 0xCB00)
|
|
#define R5_IO_CURRENT_STATE(x) ((x & 0x3000) >> 12) /* s, b */
|
|
|
|
#endif
|
|
|