775616c3ae
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3731 c046a42c-6fe2-441c-8c8c-71466251a162
83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
/*
|
|
* 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;
|
|
|
|
struct sd_request_s {
|
|
uint8_t cmd;
|
|
uint32_t arg;
|
|
uint8_t crc;
|
|
};
|
|
|
|
typedef struct SDState SDState;
|
|
|
|
SDState *sd_init(BlockDriverState *bs, int is_spi);
|
|
int sd_do_command(SDState *sd, struct sd_request_s *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);
|
|
|
|
/* ssi-sd.c */
|
|
int ssi_sd_xfer(void *opaque, int val);
|
|
void *ssi_sd_init(BlockDriverState *bs);
|
|
|
|
#endif /* __hw_sd_h */
|