/[pcsx2_0.9.7]/trunk/pcsx2/IopDma.h
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Annotation of /trunk/pcsx2/IopDma.h

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Revision 31 - (hide annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 10 months ago) by william
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committing r3113 initial commit again...
1 william 31 /* PCSX2 - PS2 Emulator for PCs
2     * Copyright (C) 2002-2010 PCSX2 Dev Team
3     *
4     * PCSX2 is free software: you can redistribute it and/or modify it under the terms
5     * of the GNU Lesser General Public License as published by the Free Software Found-
6     * ation, either version 3 of the License, or (at your option) any later version.
7     *
8     * PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
9     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
10     * PURPOSE. See the GNU General Public License for more details.
11     *
12     * You should have received a copy of the GNU General Public License along with PCSX2.
13     * If not, see <http://www.gnu.org/licenses/>.
14     */
15    
16     #ifndef __PSXDMA_H__
17     #define __PSXDMA_H__
18    
19     #include "PS2Edefs.h"
20    
21     // defined in PS2Edefs.h
22    
23     #ifdef ENABLE_NEW_IOPDMA
24    
25     // unused for now
26     class DmaBcrReg
27     {
28     public:
29     union {
30     struct {
31     u32 size:16;
32     u32 count:16;
33     };
34     u32 whole;
35     };
36    
37     DmaBcrReg(u32& value)
38     {
39     whole=value;
40     }
41    
42     u32 Bytes()
43     {
44     return 4*size*count;
45     }
46     };
47    
48     #define DMA_CTRL_ACTIVE 0x01000000
49     #define DMA_CTRL_DIRECTION 0x00000001
50    
51     #define DMA_CHANNEL_MAX 14 /* ? */
52    
53     extern void IopDmaStart(int channel);
54     extern void IopDmaUpdate(u32 elapsed);
55    
56     // external dma handlers
57     extern s32 CALLBACK cdvdDmaRead(s32 channel, u32* data, u32 bytesLeft, u32* bytesProcessed);
58     extern void CALLBACK cdvdDmaInterrupt(s32 channel);
59    
60     //#else
61     #endif
62    
63     extern void psxDma2(u32 madr, u32 bcr, u32 chcr);
64     extern void psxDma3(u32 madr, u32 bcr, u32 chcr);
65     extern void psxDma6(u32 madr, u32 bcr, u32 chcr);
66     #ifndef ENABLE_NEW_IOPDMA_SPU2
67     extern void psxDma4(u32 madr, u32 bcr, u32 chcr);
68     extern void psxDma7(u32 madr, u32 bcr, u32 chcr);
69     #endif
70     #ifndef ENABLE_NEW_IOPDMA_DEV9
71     extern void psxDma8(u32 madr, u32 bcr, u32 chcr);
72     #endif
73     extern void psxDma9(u32 madr, u32 bcr, u32 chcr);
74     extern void psxDma10(u32 madr, u32 bcr, u32 chcr);
75    
76     extern int psxDma4Interrupt();
77     extern int psxDma7Interrupt();
78     extern void dev9Interrupt();
79     extern void dev9Irq(int cycles);
80     extern void usbInterrupt();
81     extern void usbIrq(int cycles);
82     extern void fwIrq();
83     extern void spu2Irq();
84    
85     extern void iopIntcIrq( uint irqType );
86     extern void iopTestIntc();
87    
88     extern DEV9handler dev9Handler;
89     extern USBhandler usbHandler;
90    
91     #endif /* __PSXDMA_H__ */

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