mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-09-19 20:59:43 +02:00
161 lines
3.6 KiB
C
161 lines
3.6 KiB
C
/*
|
|
* Wii DVD interface API
|
|
* Copyright (C) 2008 Jeff Epler <jepler@unpythonic.net>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifdef WII_DVD
|
|
#include <ogc/ipc.h>
|
|
#include <string.h>
|
|
#include <ogc/system.h>
|
|
#include "wdvd.h"
|
|
|
|
static int di_fd = -1;
|
|
static s32 di_hid = 0;
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
#define DEBUG
|
|
|
|
#ifdef DEBUG
|
|
#define debug_printf printf
|
|
#define debug_wait printf
|
|
#else
|
|
#define debug_printf(...) ;
|
|
#define debug_wait(...) ;
|
|
#endif
|
|
|
|
bool WDVD_Init()
|
|
{
|
|
if(di_fd >= 0) return 1;
|
|
|
|
di_fd = IOS_Open("/dev/do", 0);
|
|
if(di_fd < 0) {
|
|
debug_printf("IOS_Open(/dev/di) failed with code %d\n", di_fd);
|
|
return 0;
|
|
}
|
|
|
|
di_hid = iosCreateHeap(0x10000);
|
|
if(!di_hid) {
|
|
IOS_Close(di_fd);
|
|
di_fd = -1;
|
|
debug_printf("iosCreateHeap(0x20) failed with code %d\n", di_hid);
|
|
return 0;
|
|
}
|
|
|
|
debug_printf("fd=%d hid=%d\n", di_fd, di_hid);
|
|
return 1;
|
|
}
|
|
|
|
bool WDVD_Reset()
|
|
{
|
|
bool result = false;
|
|
char *inbuf = (char*)iosAlloc(di_hid, 0x20);
|
|
char *outbuf = (char*)iosAlloc(di_hid, 0x20);
|
|
if(!inbuf || !outbuf)
|
|
goto out;
|
|
|
|
((u32*)inbuf)[0x00] = 0x8A000000;
|
|
((u32*)inbuf)[0x01] = 1;
|
|
|
|
result = IOS_Ioctl( di_fd, 0x8A, inbuf, 0x20, outbuf, 0x20);
|
|
out:
|
|
if(outbuf) iosFree(di_hid, outbuf);
|
|
if(inbuf) iosFree(di_hid, inbuf);
|
|
return result;
|
|
}
|
|
|
|
#define max(a,b) ((a) > (b) ? (a) : (b))
|
|
|
|
unsigned char* ios_command = 0;
|
|
unsigned char* ios_out = 0;
|
|
unsigned int ios_outlen = 0;
|
|
|
|
void WDVD_AllocCommand()
|
|
{
|
|
if (ios_command == 0)
|
|
ios_command = (unsigned char*)iosAlloc(di_hid, 0x20);
|
|
}
|
|
|
|
void WDVD_AllocOutput(unsigned int length)
|
|
{
|
|
if (ios_out == 0 || ios_outlen != length)
|
|
{
|
|
if (ios_out)
|
|
iosFree(di_hid, ios_out);
|
|
|
|
ios_out = (unsigned char*)iosAlloc(di_hid, max(length, 0x20));
|
|
ios_outlen = length;
|
|
}
|
|
}
|
|
|
|
int WDVD_LowUnencryptedRead(unsigned char **poutbuf, u32 len, u32 offset)
|
|
{
|
|
WDVD_AllocCommand();
|
|
WDVD_AllocOutput(len);
|
|
|
|
unsigned char* inbuf = ios_command;
|
|
unsigned char* outbuf = ios_out;
|
|
|
|
*poutbuf = ios_out;
|
|
int result = 0;
|
|
|
|
if(!inbuf || !outbuf) { result = -1; goto out; }
|
|
|
|
((u32*)inbuf)[0] = 0x8d000000;
|
|
((u32*)inbuf)[1] = len;
|
|
((u32*)inbuf)[2] = offset;
|
|
|
|
// memset(outbuf, 0x00, len);
|
|
|
|
result = IOS_Ioctl(di_fd, 0x8d, inbuf, 0x20, outbuf, len);
|
|
|
|
if (result != 1)
|
|
debug_printf("-> %d\n", result);
|
|
|
|
// if(result >= 0) {
|
|
// memcpy(buf, outbuf, len);
|
|
// }
|
|
|
|
out:
|
|
//if(outbuf) iosFree(di_hid, outbuf);
|
|
//if(inbuf) iosFree(di_hid, inbuf);
|
|
|
|
return result;
|
|
}
|
|
|
|
int WDVD_LowReadDiskId(u64 *id)
|
|
{
|
|
int result;
|
|
char *inbuf = (char*)iosAlloc(di_hid, 0x20);
|
|
char *outbuf = (char*)iosAlloc(di_hid, 0x20);
|
|
if(!inbuf || !outbuf) { result = -1; goto out; }
|
|
((u32*)inbuf)[0] = 0x70000000;
|
|
|
|
*(u64*)outbuf = 0;
|
|
result = IOS_Ioctl(di_fd, 0x8D, inbuf, 0x20, outbuf, 0x20);
|
|
|
|
*id = *(u64*) outbuf;
|
|
|
|
out:
|
|
if(inbuf) iosFree(di_hid, inbuf);
|
|
if(outbuf) iosFree(di_hid, outbuf);
|
|
|
|
return result;
|
|
}
|
|
#endif
|