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-rw-r--r--include/asm-cris/arch-v32/dma.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v32/dma.h b/include/asm-cris/arch-v32/dma.h
new file mode 100644
index 000000000000..3674081389fd
--- /dev/null
+++ b/include/asm-cris/arch-v32/dma.h
@@ -0,0 +1,79 @@
1#ifndef _ASM_ARCH_CRIS_DMA_H
2#define _ASM_ARCH_CRIS_DMA_H
3
4/* Defines for using and allocating dma channels. */
5
6#define MAX_DMA_CHANNELS 10
7
8#define NETWORK_ETH0_TX_DMA_NBR 0 /* Ethernet 0 out. */
9#define NETWORK_ETH0 RX_DMA_NBR 1 /* Ethernet 0 in. */
10
11#define IO_PROC_DMA0_TX_DMA_NBR 2 /* IO processor DMA0 out. */
12#define IO_PROC_DMA0_RX_DMA_NBR 3 /* IO processor DMA0 in. */
13
14#define ATA_TX_DMA_NBR 2 /* ATA interface out. */
15#define ATA_RX_DMA_NBR 3 /* ATA interface in. */
16
17#define ASYNC_SER2_TX_DMA_NBR 2 /* Asynchronous serial port 2 out. */
18#define ASYNC_SER2_RX_DMA_NBR 3 /* Asynchronous serial port 2 in. */
19
20#define IO_PROC_DMA1_TX_DMA_NBR 4 /* IO processor DMA1 out. */
21#define IO_PROC_DMA1_RX_DMA_NBR 5 /* IO processor DMA1 in. */
22
23#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */
24#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */
25
26#define SYNC_SER0_TX_DMA_NBR 4 /* Synchronous serial port 0 out. */
27#define SYNC_SER0_RX_DMA_NBR 5 /* Synchronous serial port 0 in. */
28
29#define EXTDMA0_TX_DMA_NBR 6 /* External DMA 0 out. */
30#define EXTDMA1_RX_DMA_NBR 7 /* External DMA 1 in. */
31
32#define ASYNC_SER0_TX_DMA_NBR 6 /* Asynchronous serial port 0 out. */
33#define ASYNC_SER0_RX_DMA_NBR 7 /* Asynchronous serial port 0 in. */
34
35#define SYNC_SER1_TX_DMA_NBR 6 /* Synchronous serial port 1 out. */
36#define SYNC_SER1_RX_DMA_NBR 7 /* Synchronous serial port 1 in. */
37
38#define NETWORK_ETH1_TX_DMA_NBR 6 /* Ethernet 1 out. */
39#define NETWORK_ETH1_RX_DMA_NBR 7 /* Ethernet 1 in. */
40
41#define EXTDMA2_TX_DMA_NBR 8 /* External DMA 2 out. */
42#define EXTDMA3_RX_DMA_NBR 9 /* External DMA 3 in. */
43
44#define STRCOP_TX_DMA_NBR 8 /* Stream co-processor out. */
45#define STRCOP_RX_DMA_NBR 9 /* Stream co-processor in. */
46
47#define ASYNC_SER3_TX_DMA_NBR 8 /* Asynchronous serial port 3 out. */
48#define ASYNC_SER3_RX_DMA_NBR 9 /* Asynchronous serial port 3 in. */
49
50enum dma_owner
51{
52 dma_eth0,
53 dma_eth1,
54 dma_iop0,
55 dma_iop1,
56 dma_ser0,
57 dma_ser1,
58 dma_ser2,
59 dma_ser3,
60 dma_sser0,
61 dma_sser1,
62 dma_ata,
63 dma_strp,
64 dma_ext0,
65 dma_ext1,
66 dma_ext2,
67 dma_ext3
68};
69
70int crisv32_request_dma(unsigned int dmanr, const char * device_id,
71 unsigned options, unsigned bandwidth, enum dma_owner owner);
72void crisv32_free_dma(unsigned int dmanr);
73
74/* Masks used by crisv32_request_dma options: */
75#define DMA_VERBOSE_ON_ERROR 1
76#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR)
77#define DMA_INT_MEM 4
78
79#endif /* _ASM_ARCH_CRIS_DMA_H */