diff options
Diffstat (limited to 'firmware/export/sdmmc.h')
-rw-r--r-- | firmware/export/sdmmc.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/firmware/export/sdmmc.h b/firmware/export/sdmmc.h new file mode 100644 index 0000000000..6ac3bd2af5 --- /dev/null +++ b/firmware/export/sdmmc.h @@ -0,0 +1,80 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2004 by Jens Arnold + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __SDMMC_H__ +#define __SDMMC_H__ + +#include <stdbool.h> + +typedef struct +{ + bool initialized; + + unsigned long read_timeout; /* n * 8 clock cycles */ + unsigned long write_timeout; /* n * 8 clock cycles */ + + unsigned long ocr; /* OCR register */ + unsigned long csd[4]; /* CSD register, 16 bytes */ + unsigned long cid[4]; /* CID register, 16 bytes */ + unsigned long speed; /* bit/s */ + unsigned int nsac; /* clock cycles */ + unsigned long taac; /* n * 0.1 ns */ + unsigned int r2w_factor; + unsigned long numblocks; /* size in flash blocks */ + unsigned int blocksize; /* block size in bytes */ + +#if (CONFIG_STORAGE & STORAGE_MMC) + unsigned char bitrate_register; +#endif + +#if (CONFIG_STORAGE & STORAGE_SD) + unsigned long rca; /* RCA register */ + unsigned int current_bank; +#endif +} tCardInfo; + +#if (CONFIG_STORAGE & STORAGE_SD) + +#include "sd.h" +#define card_get_info card_get_info_target +tCardInfo *card_get_info_target(int card_no); +void sd_parse_csd(tCardInfo *card); + +#ifdef HAVE_HOTSWAP +#define card_enable_monitoring card_enable_monitoring_target +#endif + +#else /* STORAGE_MMC */ + +#include "ata_mmc.h" +#define card_get_info mmc_card_info +tCardInfo *mmc_card_info(int card_no); +#define card_touched mmc_touched +#define card_enable_monitoring mmc_enable_monitoring + +#endif + +/* helper function to extract n (<=32) bits from an arbitrary position. + counting from MSB to LSB */ +unsigned long card_extract_bits( + const unsigned long *p, /* the start of the bitfield array */ + unsigned int start, /* bit no. to start reading */ + unsigned int size); /* how many bits to read */ +#endif |