forked from len0rd/rockbox
15e5237469
* Create new 'sector_t' type alias:
* uint64_t for all targets with HAVE_LBA48 or HAVE_SDUC
* unsigned long for the everything else
* Alter all storage APIs to use sector_t instead of 'unsigned long'
* Alter Volume/Partition/storage info structures to use sector_t
* Disk cache converted to sector_t
* ATA Core:
* convert to using sector_t for sector addresses and drive sizes
* Always fill out upper 16 bits of LBA48 addresses
* IDENTIFY INFO is fixed at 512 bytes, not SECTOR_SIZE
* USB mass storage:
* convert to using sector_t for sector addesses and drive sizes
* Implement READ_16/WRITE_16 for LBA48 addresses
* Convert FAT code to use sector_t for all sector references
* output_dyn_value() now accepts int64_t instead of 'int'
* Corrected "rockbox info" to work for (MULTIVOLUME & !MULTIDRIVE)
* Better reporting of disk and (logical+physical) sector sizes in debug info
* Detect SDUC cards and report on storage debug_info screen
To-do: SDUC
* Refactor SD core to remove duplicate code in every driver
* Card probe and init state machine
* Implement core SDUC support
* SD2.0 needs to be 2.0+ (fixed for jz47xx and x1000)
* Host and Card ID (ACMD41)
* 32-bit addressing for all read/write/erase operations (CMD22)
* ADD SDUC to target device drivers, defining HAVE_SDUC as appropriate
Change-Id: Ib0138781a0081664d11511037685503df1b93608
60 lines
2 KiB
C
60 lines
2 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) 2014 by Michael Sevakis
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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 DISK_CACHE_H
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#define DISK_CACHE_H
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#include "mutex.h"
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#include "mv.h"
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static inline void dc_lock_cache(void)
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{
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extern struct mutex disk_cache_mutex;
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mutex_lock(&disk_cache_mutex);
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}
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static inline void dc_unlock_cache(void)
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{
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extern struct mutex disk_cache_mutex;
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mutex_unlock(&disk_cache_mutex);
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}
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void * dc_cache_probe(IF_MV(int volume,) sector_t secnum,
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unsigned int *flags);
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void dc_dirty_buf(void *buf);
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void dc_discard_buf(void *buf);
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void dc_commit_all(IF_MV_NONVOID(int volume));
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void dc_discard_all(IF_MV_NONVOID(int volume));
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void dc_init(void) INIT_ATTR;
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/* in addition to filling, writeback is implemented by the client */
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extern void dc_writeback_callback(IF_MV(int volume, ) sector_t sector,
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void *buf);
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/** These synchronize and can be called by anyone **/
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/* expropriate a buffer from the cache of DC_CACHE_BUFSIZE bytes */
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void * dc_get_buffer(void);
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/* return buffer to the cache by buffer */
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void dc_release_buffer(void *buf);
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#endif /* DISK_CACHE_H */
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