76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2004 by Jens Arnold
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __SDMMC_H__
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#define __SDMMC_H__
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#include <stdbool.h>
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typedef struct
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{
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bool initialized;
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unsigned long read_timeout; /* n * 8 clock cycles */
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unsigned long write_timeout; /* n * 8 clock cycles */
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unsigned long ocr; /* OCR register */
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unsigned long csd[4]; /* CSD register, 16 bytes */
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unsigned long cid[4]; /* CID register, 16 bytes */
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unsigned long speed; /* bit/s */
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unsigned int nsac; /* clock cycles */
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unsigned long taac; /* n * 0.1 ns */
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unsigned int r2w_factor;
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unsigned long numblocks; /* size in flash blocks */
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unsigned int blocksize; /* block size in bytes */
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unsigned long rca; /* RCA register */
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#if (CONFIG_STORAGE & STORAGE_MMC)
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unsigned char bitrate_register;
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#endif
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#if (CONFIG_STORAGE & STORAGE_SD)
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unsigned int current_bank;
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#endif
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} tCardInfo;
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#if (CONFIG_STORAGE & STORAGE_SD)
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#include "sd.h"
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#define card_get_info card_get_info_target
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tCardInfo *card_get_info_target(int card_no);
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void sd_parse_csd(tCardInfo *card);
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#else /* STORAGE_MMC */
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#include "ata_mmc.h"
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#define card_get_info mmc_card_info
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tCardInfo *mmc_card_info(int card_no);
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#define card_touched mmc_touched
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#endif
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/* helper function to extract n (<=32) bits from an arbitrary position.
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counting from MSB to LSB */
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unsigned long card_extract_bits(
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const unsigned long *p, /* the start of the bitfield array */
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unsigned int start, /* bit no. to start reading */
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unsigned int size); /* how many bits to read */
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#endif
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