2 * include/linux/mmc/sdio.h
4 * Copyright 2006-2007 Pierre Ossman
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
15 /* SDIO commands type argument response */
16 #define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */
17 #define SD_IO_RW_DIRECT 52 /* ac [31:0] See below R5 */
20 * SD_IO_RW_DIRECT argument format:
23 * [30:28] Function number
25 * [25:9] Register address
34 r : detected and set for the actual command response
35 x : detected and set during command execution. the host must poll
36 the card by sending status command in order to read these bits.
38 a : according to the card state
39 b : always related to the previous command. Reception of
40 a valid command will clear it (with a delay of one command)
44 #define R5_COM_CRC_ERROR (1 << 15) /* er, b */
45 #define R5_ILLEGAL_COMMAND (1 << 14) /* er, b */
46 #define R5_ERROR (1 << 11) /* erx, c */
47 #define R5_FUNCTION_NUMBER (1 << 9) /* er, c */
48 #define R5_OUT_OF_RANGE (1 << 8) /* er, c */
49 #define R5_STATUS(x) (x & 0xCB00)
50 #define R5_IO_CURRENT_STATE(x) ((x & 0x3000) >> 12) /* s, b */