|  | /* | 
|  | *  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 LINUX_MMC_SDIO_H | 
|  | #define LINUX_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  */ | 
|  | #define SD_IO_RW_EXTENDED          53 /* adtc [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 | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * SD_IO_RW_EXTENDED argument format: | 
|  | * | 
|  | *      [31] R/W flag | 
|  | *      [30:28] Function number | 
|  | *      [27] Block mode | 
|  | *      [26] Increment address | 
|  | *      [25:9] Register address | 
|  | *      [8:0] Byte/block count | 
|  | */ | 
|  |  | 
|  | #define R4_18V_PRESENT (1<<24) | 
|  | #define R4_MEMORY_PRESENT (1 << 27) | 
|  |  | 
|  | /* | 
|  | 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 */ | 
|  |  | 
|  | /* | 
|  | * Card Common Control Registers (CCCR) | 
|  | */ | 
|  |  | 
|  | #define SDIO_CCCR_CCCR		0x00 | 
|  |  | 
|  | #define  SDIO_CCCR_REV_1_00	0	/* CCCR/FBR Version 1.00 */ | 
|  | #define  SDIO_CCCR_REV_1_10	1	/* CCCR/FBR Version 1.10 */ | 
|  | #define  SDIO_CCCR_REV_1_20	2	/* CCCR/FBR Version 1.20 */ | 
|  | #define  SDIO_CCCR_REV_3_00	3	/* CCCR/FBR Version 3.00 */ | 
|  |  | 
|  | #define  SDIO_SDIO_REV_1_00	0	/* SDIO Spec Version 1.00 */ | 
|  | #define  SDIO_SDIO_REV_1_10	1	/* SDIO Spec Version 1.10 */ | 
|  | #define  SDIO_SDIO_REV_1_20	2	/* SDIO Spec Version 1.20 */ | 
|  | #define  SDIO_SDIO_REV_2_00	3	/* SDIO Spec Version 2.00 */ | 
|  | #define  SDIO_SDIO_REV_3_00	4	/* SDIO Spec Version 3.00 */ | 
|  |  | 
|  | #define SDIO_CCCR_SD		0x01 | 
|  |  | 
|  | #define  SDIO_SD_REV_1_01	0	/* SD Physical Spec Version 1.01 */ | 
|  | #define  SDIO_SD_REV_1_10	1	/* SD Physical Spec Version 1.10 */ | 
|  | #define  SDIO_SD_REV_2_00	2	/* SD Physical Spec Version 2.00 */ | 
|  | #define  SDIO_SD_REV_3_00	3	/* SD Physical Spev Version 3.00 */ | 
|  |  | 
|  | #define SDIO_CCCR_IOEx		0x02 | 
|  | #define SDIO_CCCR_IORx		0x03 | 
|  |  | 
|  | #define SDIO_CCCR_IENx		0x04	/* Function/Master Interrupt Enable */ | 
|  | #define SDIO_CCCR_INTx		0x05	/* Function Interrupt Pending */ | 
|  |  | 
|  | #define SDIO_CCCR_ABORT		0x06	/* function abort/card reset */ | 
|  |  | 
|  | #define SDIO_CCCR_IF		0x07	/* bus interface controls */ | 
|  |  | 
|  | #define  SDIO_BUS_WIDTH_1BIT	0x00 | 
|  | #define  SDIO_BUS_WIDTH_4BIT	0x02 | 
|  | #define  SDIO_BUS_WIDTH_8BIT  	0x03 | 
|  | #define  SDIO_BUS_ECSI		0x20	/* Enable continuous SPI interrupt */ | 
|  | #define  SDIO_BUS_SCSI		0x40	/* Support continuous SPI interrupt */ | 
|  |  | 
|  | #define  SDIO_BUS_ASYNC_INT	0x20 | 
|  |  | 
|  | #define  SDIO_BUS_CD_DISABLE     0x80	/* disable pull-up on DAT3 (pin 1) */ | 
|  |  | 
|  | #define SDIO_CCCR_CAPS		0x08 | 
|  |  | 
|  | #define  SDIO_CCCR_CAP_SDC	0x01	/* can do CMD52 while data transfer */ | 
|  | #define  SDIO_CCCR_CAP_SMB	0x02	/* can do multi-block xfers (CMD53) */ | 
|  | #define  SDIO_CCCR_CAP_SRW	0x04	/* supports read-wait protocol */ | 
|  | #define  SDIO_CCCR_CAP_SBS	0x08	/* supports suspend/resume */ | 
|  | #define  SDIO_CCCR_CAP_S4MI	0x10	/* interrupt during 4-bit CMD53 */ | 
|  | #define  SDIO_CCCR_CAP_E4MI	0x20	/* enable ints during 4-bit CMD53 */ | 
|  | #define  SDIO_CCCR_CAP_LSC	0x40	/* low speed card */ | 
|  | #define  SDIO_CCCR_CAP_4BLS	0x80	/* 4 bit low speed card */ | 
|  |  | 
|  | #define SDIO_CCCR_CIS		0x09	/* common CIS pointer (3 bytes) */ | 
|  |  | 
|  | /* Following 4 regs are valid only if SBS is set */ | 
|  | #define SDIO_CCCR_SUSPEND	0x0c | 
|  | #define SDIO_CCCR_SELx		0x0d | 
|  | #define SDIO_CCCR_EXECx		0x0e | 
|  | #define SDIO_CCCR_READYx	0x0f | 
|  |  | 
|  | #define SDIO_CCCR_BLKSIZE	0x10 | 
|  |  | 
|  | #define SDIO_CCCR_POWER		0x12 | 
|  |  | 
|  | #define  SDIO_POWER_SMPC	0x01	/* Supports Master Power Control */ | 
|  | #define  SDIO_POWER_EMPC	0x02	/* Enable Master Power Control */ | 
|  |  | 
|  | #define SDIO_CCCR_SPEED		0x13 | 
|  |  | 
|  | #define  SDIO_SPEED_SHS		0x01	/* Supports High-Speed mode */ | 
|  | #define  SDIO_SPEED_BSS_SHIFT	1 | 
|  | #define  SDIO_SPEED_BSS_MASK	(7<<SDIO_SPEED_BSS_SHIFT) | 
|  | #define  SDIO_SPEED_SDR12	(0<<SDIO_SPEED_BSS_SHIFT) | 
|  | #define  SDIO_SPEED_SDR25	(1<<SDIO_SPEED_BSS_SHIFT) | 
|  | #define  SDIO_SPEED_SDR50	(2<<SDIO_SPEED_BSS_SHIFT) | 
|  | #define  SDIO_SPEED_SDR104	(3<<SDIO_SPEED_BSS_SHIFT) | 
|  | #define  SDIO_SPEED_DDR50	(4<<SDIO_SPEED_BSS_SHIFT) | 
|  | #define  SDIO_SPEED_EHS		SDIO_SPEED_SDR25	/* Enable High-Speed */ | 
|  |  | 
|  | #define SDIO_CCCR_UHS		0x14 | 
|  | #define  SDIO_UHS_SDR50		0x01 | 
|  | #define  SDIO_UHS_SDR104	0x02 | 
|  | #define  SDIO_UHS_DDR50		0x04 | 
|  |  | 
|  | #define SDIO_CCCR_DRIVE_STRENGTH 0x15 | 
|  | #define  SDIO_SDTx_MASK		0x07 | 
|  | #define  SDIO_DRIVE_SDTA	(1<<0) | 
|  | #define  SDIO_DRIVE_SDTC	(1<<1) | 
|  | #define  SDIO_DRIVE_SDTD	(1<<2) | 
|  | #define  SDIO_DRIVE_DTSx_MASK	0x03 | 
|  | #define  SDIO_DRIVE_DTSx_SHIFT	4 | 
|  | #define  SDIO_DTSx_SET_TYPE_B	(0 << SDIO_DRIVE_DTSx_SHIFT) | 
|  | #define  SDIO_DTSx_SET_TYPE_A	(1 << SDIO_DRIVE_DTSx_SHIFT) | 
|  | #define  SDIO_DTSx_SET_TYPE_C	(2 << SDIO_DRIVE_DTSx_SHIFT) | 
|  | #define  SDIO_DTSx_SET_TYPE_D	(3 << SDIO_DRIVE_DTSx_SHIFT) | 
|  | /* | 
|  | * Function Basic Registers (FBR) | 
|  | */ | 
|  |  | 
|  | #define SDIO_FBR_BASE(f)	((f) * 0x100) /* base of function f's FBRs */ | 
|  |  | 
|  | #define SDIO_FBR_STD_IF		0x00 | 
|  |  | 
|  | #define  SDIO_FBR_SUPPORTS_CSA	0x40	/* supports Code Storage Area */ | 
|  | #define  SDIO_FBR_ENABLE_CSA	0x80	/* enable Code Storage Area */ | 
|  |  | 
|  | #define SDIO_FBR_STD_IF_EXT	0x01 | 
|  |  | 
|  | #define SDIO_FBR_POWER		0x02 | 
|  |  | 
|  | #define  SDIO_FBR_POWER_SPS	0x01	/* Supports Power Selection */ | 
|  | #define  SDIO_FBR_POWER_EPS	0x02	/* Enable (low) Power Selection */ | 
|  |  | 
|  | #define SDIO_FBR_CIS		0x09	/* CIS pointer (3 bytes) */ | 
|  |  | 
|  |  | 
|  | #define SDIO_FBR_CSA		0x0C	/* CSA pointer (3 bytes) */ | 
|  |  | 
|  | #define SDIO_FBR_CSA_DATA	0x0F | 
|  |  | 
|  | #define SDIO_FBR_BLKSIZE	0x10	/* block size (2 bytes) */ | 
|  |  | 
|  | #endif /* LINUX_MMC_SDIO_H */ |