/* $OpenBSD: sdmmc_ioreg.h,v 1.4 2007/06/02 01:48:37 uwe Exp $ */ /* * Copyright (c) 2006 Uwe Stuehler * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _SDMMC_IOREG_H #define _SDMMC_IOREG_H /* SDIO commands */ /* response type */ #define SD_IO_SEND_OP_COND 5 /* R4 */ #define SD_IO_RW_DIRECT 52 /* R5 */ #define SD_IO_RW_EXTENDED 53 /* R5? */ /* CMD52 arguments */ #define SD_ARG_CMD52_READ (0<<31) #define SD_ARG_CMD52_WRITE (1<<31) #define SD_ARG_CMD52_FUNC_SHIFT 28 #define SD_ARG_CMD52_FUNC_MASK 0x7 #define SD_ARG_CMD52_EXCHANGE (1<<27) #define SD_ARG_CMD52_REG_SHIFT 9 #define SD_ARG_CMD52_REG_MASK 0x1ffff #define SD_ARG_CMD52_DATA_SHIFT 0 #define SD_ARG_CMD52_DATA_MASK 0xff #define SD_R5_DATA(resp) ((resp)[0] & 0xff) /* CMD53 arguments */ #define SD_ARG_CMD53_READ (0<<31) #define SD_ARG_CMD53_WRITE (1<<31) #define SD_ARG_CMD53_FUNC_SHIFT 28 #define SD_ARG_CMD53_FUNC_MASK 0x7 #define SD_ARG_CMD53_BLOCK_MODE (1<<27) #define SD_ARG_CMD53_INCREMENT (1<<26) #define SD_ARG_CMD53_REG_SHIFT 9 #define SD_ARG_CMD53_REG_MASK 0x1ffff #define SD_ARG_CMD53_LENGTH_SHIFT 0 #define SD_ARG_CMD53_LENGTH_MASK 0x1ff #define SD_ARG_CMD53_LENGTH_MAX 64 /* XXX should be 511? */ /* 48-bit response decoding (32 bits w/o CRC) */ #define MMC_R4(resp) ((resp)[0]) #define MMC_R5(resp) ((resp)[0]) /* SD R4 response (IO OCR) */ #define SD_IO_OCR_MEM_READY (1<<31) #define SD_IO_OCR_NUM_FUNCTIONS(ocr) (((ocr) >> 28) & 0x3) /* XXX big fat memory present "flag" because we don't know better */ #define SD_IO_OCR_MEM_PRESENT (0xf<<24) #define SD_IO_OCR_MASK 0x00fffff0 /* Card Common Control Registers (CCCR) */ #define SD_IO_CCCR_START 0x00000 #define SD_IO_CCCR_SIZE 0x100 #define SD_IO_CCCR_FN_ENABLE 0x02 #define SD_IO_CCCR_FN_READY 0x03 #define SD_IO_CCCR_INT_ENABLE 0x04 #define SD_IO_CCCR_CTL 0x06 #define CCCR_CTL_RES (1<<3) #define SD_IO_CCCR_BUS_WIDTH 0x07 #define CCCR_BUS_WIDTH_4 (1<<1) #define CCCR_BUS_WIDTH_1 (1<<0) #define SD_IO_CCCR_CISPTR 0x09 /* XXX 9-10, 10-11, or 9-12 */ /* Function Basic Registers (FBR) */ #define SD_IO_FBR_START 0x00100 #define SD_IO_FBR_SIZE 0x00700 /* Card Information Structure (CIS) */ #define SD_IO_CIS_START 0x01000 #define SD_IO_CIS_SIZE 0x17000 /* CIS tuple codes (based on PC Card 16) */ #define SD_IO_CISTPL_VERS_1 0x15 #define SD_IO_CISTPL_MANFID 0x20 #define SD_IO_CISTPL_FUNCID 0x21 #define SD_IO_CISTPL_FUNCE 0x22 /* CISTPL_FUNCID codes */ #define SDMMC_FUNCTION_WLAN 0x0c #endif