mirror of
https://github.com/wiiu-env/libfat.git
synced 2024-11-27 12:14:18 +01:00
82 lines
3.1 KiB
C
82 lines
3.1 KiB
C
/*
|
|
disc_io.h
|
|
Interface template for low level disc functions.
|
|
|
|
Copyright (c) 2006 Michael "Chishm" Chisholm
|
|
|
|
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.
|
|
3. The name of the author may not be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
|
|
|
|
2006-07-11 - Chishm
|
|
* Original release
|
|
|
|
2006-07-16 - Chishm
|
|
* Renamed _CF_USE_DMA to _IO_USE_DMA
|
|
* Renamed _CF_ALLOW_UNALIGNED to _IO_ALLOW_UNALIGNED
|
|
*/
|
|
|
|
#ifndef _DISC_IO_H
|
|
#define _DISC_IO_H
|
|
|
|
#include "../common.h"
|
|
|
|
//----------------------------------------------------------------------
|
|
// Customisable features
|
|
|
|
// Use DMA to read the card, remove this line to use normal reads/writes
|
|
// #define _IO_USE_DMA
|
|
|
|
// Allow buffers not alligned to 16 bits when reading files.
|
|
// Note that this will slow down access speed, so only use if you have to.
|
|
// It is also incompatible with DMA
|
|
#define _IO_ALLOW_UNALIGNED
|
|
|
|
#if defined _IO_USE_DMA && defined _IO_ALLOW_UNALIGNED
|
|
#error "You can't use both DMA and unaligned memory"
|
|
#endif
|
|
|
|
#define FEATURE_MEDIUM_CANREAD 0x00000001
|
|
#define FEATURE_MEDIUM_CANWRITE 0x00000002
|
|
#define FEATURE_SLOT_GBA 0x00000010
|
|
#define FEATURE_SLOT_NDS 0x00000020
|
|
|
|
typedef bool (* FN_MEDIUM_STARTUP)(void) ;
|
|
typedef bool (* FN_MEDIUM_ISINSERTED)(void) ;
|
|
typedef bool (* FN_MEDIUM_READSECTORS)(u32 sector, u32 numSectors, void* buffer) ;
|
|
typedef bool (* FN_MEDIUM_WRITESECTORS)(u32 sector, u32 numSectors, const void* buffer) ;
|
|
typedef bool (* FN_MEDIUM_CLEARSTATUS)(void) ;
|
|
typedef bool (* FN_MEDIUM_SHUTDOWN)(void) ;
|
|
|
|
struct IO_INTERFACE_STRUCT {
|
|
unsigned long ioType ;
|
|
unsigned long features ;
|
|
FN_MEDIUM_STARTUP fn_startup ;
|
|
FN_MEDIUM_ISINSERTED fn_isInserted ;
|
|
FN_MEDIUM_READSECTORS fn_readSectors ;
|
|
FN_MEDIUM_WRITESECTORS fn_writeSectors ;
|
|
FN_MEDIUM_CLEARSTATUS fn_clearStatus ;
|
|
FN_MEDIUM_SHUTDOWN fn_shutdown ;
|
|
} ;
|
|
|
|
typedef struct IO_INTERFACE_STRUCT IO_INTERFACE ;
|
|
|
|
#endif // define _DISC_IO_H
|