a7f7781dca
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6366 a1c6a512-1295-4272-9138-f99709370657
49 lines
1.9 KiB
C
49 lines
1.9 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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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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 __ATA_MMC_H__
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#define __ATA_MMC_H__
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typedef struct
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{
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bool initialized;
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unsigned char bitrate_register;
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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 tsac; /* n * 0.1 ns */
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unsigned int r2w_factor;
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unsigned long size; /* size in bytes */
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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 int block_exp; /* block size exponent */
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} tCardInfo;
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void mmc_select_clock(int card_no);
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bool mmc_detect(void);
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unsigned long mmc_extract_bits(const unsigned long *p, unsigned int start,
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unsigned int size);
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tCardInfo *mmc_card_info(int card_no);
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bool mmc_usb_active(int delayticks);
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#endif
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