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

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 11 months ago) by william
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File size: 2292 byte(s)
committing r3113 initial commit again...
1 /* 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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