/* * SD Memory Card emulation. Mostly correct for MMC too. * * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef __hw_sd_h #define __hw_sd_h 1 #define OUT_OF_RANGE (1 << 31) #define ADDRESS_ERROR (1 << 30) #define BLOCK_LEN_ERROR (1 << 29) #define ERASE_SEQ_ERROR (1 << 28) #define ERASE_PARAM (1 << 27) #define WP_VIOLATION (1 << 26) #define CARD_IS_LOCKED (1 << 25) #define LOCK_UNLOCK_FAILED (1 << 24) #define COM_CRC_ERROR (1 << 23) #define ILLEGAL_COMMAND (1 << 22) #define CARD_ECC_FAILED (1 << 21) #define CC_ERROR (1 << 20) #define SD_ERROR (1 << 19) #define CID_CSD_OVERWRITE (1 << 16) #define WP_ERASE_SKIP (1 << 15) #define CARD_ECC_DISABLED (1 << 14) #define ERASE_RESET (1 << 13) #define CURRENT_STATE (7 << 9) #define READY_FOR_DATA (1 << 8) #define APP_CMD (1 << 5) #define AKE_SEQ_ERROR (1 << 3) typedef enum { sd_none = -1, sd_bc = 0, /* broadcast -- no response */ sd_bcr, /* broadcast with response */ sd_ac, /* addressed -- no data transfer */ sd_adtc, /* addressed with data transfer */ } sd_cmd_type_t; typedef struct { uint8_t cmd; uint32_t arg; uint8_t crc; } SDRequest; typedef struct SDState SDState; SDState *sd_init(BlockDriverState *bs, int is_spi); int sd_do_command(SDState *sd, SDRequest *req, uint8_t *response); void sd_write_data(SDState *sd, uint8_t value); uint8_t sd_read_data(SDState *sd); void sd_set_cb(SDState *sd, qemu_irq readonly, qemu_irq insert); int sd_data_ready(SDState *sd); void sd_enable(SDState *sd, int enable); #endif /* __hw_sd_h */