projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 5fafdf24 | 1 | /* |
| a1bb27b1 PB |
2 | * SD Memory Card emulation. Mostly correct for MMC too. |
| 3 | * | |
| 4 | * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions | |
| 8 | * are met: | |
| 9 | * | |
| 10 | * 1. Redistributions of source code must retain the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer. | |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 | * notice, this list of conditions and the following disclaimer in | |
| 14 | * the documentation and/or other materials provided with the | |
| 15 | * distribution. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' | |
| 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
| 19 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
| 20 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR | |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 25 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | */ | |
| 29 | #ifndef __hw_sd_h | |
| 30 | #define __hw_sd_h 1 | |
| 31 | ||
| a1bb27b1 PB |
32 | #define OUT_OF_RANGE (1 << 31) |
| 33 | #define ADDRESS_ERROR (1 << 30) | |
| 34 | #define BLOCK_LEN_ERROR (1 << 29) | |
| 35 | #define ERASE_SEQ_ERROR (1 << 28) | |
| 36 | #define ERASE_PARAM (1 << 27) | |
| 37 | #define WP_VIOLATION (1 << 26) | |
| 38 | #define CARD_IS_LOCKED (1 << 25) | |
| 39 | #define LOCK_UNLOCK_FAILED (1 << 24) | |
| 40 | #define COM_CRC_ERROR (1 << 23) | |
| 41 | #define ILLEGAL_COMMAND (1 << 22) | |
| 42 | #define CARD_ECC_FAILED (1 << 21) | |
| 43 | #define CC_ERROR (1 << 20) | |
| 44 | #define SD_ERROR (1 << 19) | |
| 45 | #define CID_CSD_OVERWRITE (1 << 16) | |
| 46 | #define WP_ERASE_SKIP (1 << 15) | |
| 47 | #define CARD_ECC_DISABLED (1 << 14) | |
| 48 | #define ERASE_RESET (1 << 13) | |
| 49 | #define CURRENT_STATE (7 << 9) | |
| 50 | #define READY_FOR_DATA (1 << 8) | |
| 51 | #define APP_CMD (1 << 5) | |
| 52 | #define AKE_SEQ_ERROR (1 << 3) | |
| 53 | ||
| 54 | typedef enum { | |
| 55 | sd_none = -1, | |
| 56 | sd_bc = 0, /* broadcast -- no response */ | |
| 724d3a8f AZ |
57 | sd_bcr, /* broadcast with response */ |
| 58 | sd_ac, /* addressed -- no data transfer */ | |
| a1bb27b1 | 59 | sd_adtc, /* addressed with data transfer */ |
| c227f099 | 60 | } sd_cmd_type_t; |
| a1bb27b1 | 61 | |
| bc24a225 | 62 | typedef struct { |
| a1bb27b1 PB |
63 | uint8_t cmd; |
| 64 | uint32_t arg; | |
| 65 | uint8_t crc; | |
| bc24a225 | 66 | } SDRequest; |
| a1bb27b1 PB |
67 | |
| 68 | typedef struct SDState SDState; | |
| 69 | ||
| 775616c3 | 70 | SDState *sd_init(BlockDriverState *bs, int is_spi); |
| bc24a225 | 71 | int sd_do_command(SDState *sd, SDRequest *req, |
| a1bb27b1 PB |
72 | uint8_t *response); |
| 73 | void sd_write_data(SDState *sd, uint8_t value); | |
| 74 | uint8_t sd_read_data(SDState *sd); | |
| 02ce600c | 75 | void sd_set_cb(SDState *sd, qemu_irq readonly, qemu_irq insert); |
| a1bb27b1 | 76 | int sd_data_ready(SDState *sd); |
| 827df9f3 | 77 | void sd_enable(SDState *sd, int enable); |
| a1bb27b1 PB |
78 | |
| 79 | #endif /* __hw_sd_h */ |