mirror of
https://github.com/wiiu-env/libfat.git
synced 2024-11-22 18:09:17 +01:00
3a9b3b5e3a
Combined all CF-based hardware drivers into one set of routines with different sets of registers. Speed should remain the same, but size should be reduced.
84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
/*
|
|
io_sccf.c based on
|
|
|
|
compact_flash.c
|
|
By chishm (Michael Chisholm)
|
|
|
|
Hardware Routines for reading a compact flash card
|
|
using the Super Card CF
|
|
|
|
CF routines modified with help from Darkfader
|
|
|
|
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.
|
|
*/
|
|
|
|
|
|
#include "io_sccf.h"
|
|
#include "io_sc_common.h"
|
|
#include "io_cf_common.h"
|
|
|
|
//---------------------------------------------------------------
|
|
// SC CF Addresses
|
|
#define REG_SCCF_STS ((vu16*)0x098C0000) // Status of the CF Card / Device control
|
|
#define REG_SCCF_CMD ((vu16*)0x090E0000) // Commands sent to control chip and status return
|
|
#define REG_SCCF_ERR ((vu16*)0x09020000) // Errors / Features
|
|
|
|
#define REG_SCCF_SEC ((vu16*)0x09040000) // Number of sector to transfer
|
|
#define REG_SCCF_LBA1 ((vu16*)0x09060000) // 1st byte of sector address
|
|
#define REG_SCCF_LBA2 ((vu16*)0x09080000) // 2nd byte of sector address
|
|
#define REG_SCCF_LBA3 ((vu16*)0x090A0000) // 3rd byte of sector address
|
|
#define REG_SCCF_LBA4 ((vu16*)0x090C0000) // last nibble of sector address | 0xE0
|
|
|
|
#define REG_SCCF_DATA ((vu16*)0x09000000) // Pointer to buffer of CF data transered from card
|
|
|
|
static const CF_REGISTERS _SCCF_Registers = {
|
|
REG_SCCF_DATA,
|
|
REG_SCCF_STS,
|
|
REG_SCCF_CMD,
|
|
REG_SCCF_ERR,
|
|
REG_SCCF_SEC,
|
|
REG_SCCF_LBA1,
|
|
REG_SCCF_LBA2,
|
|
REG_SCCF_LBA3,
|
|
REG_SCCF_LBA4
|
|
};
|
|
|
|
|
|
bool _SCCF_startup(void) {
|
|
_SC_changeMode (SC_MODE_MEDIA);
|
|
return _CF_startup(&_SCCF_Registers);
|
|
}
|
|
|
|
|
|
IO_INTERFACE _io_sccf = {
|
|
DEVICE_TYPE_SCCF,
|
|
FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_GBA,
|
|
(FN_MEDIUM_STARTUP)&_SCCF_startup,
|
|
(FN_MEDIUM_ISINSERTED)&_CF_isInserted,
|
|
(FN_MEDIUM_READSECTORS)&_CF_readSectors,
|
|
(FN_MEDIUM_WRITESECTORS)&_CF_writeSectors,
|
|
(FN_MEDIUM_CLEARSTATUS)&_CF_clearStatus,
|
|
(FN_MEDIUM_SHUTDOWN)&_CF_shutdown
|
|
} ;
|