| /* |
| * 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) |
| #define OCR_CCS_BITN 30 |
| |
| 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, bool 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); |
| bool sd_data_ready(SDState *sd); |
| void sd_enable(SDState *sd, bool enable); |
| |
| #endif /* __hw_sd_h */ |
