diff options
Diffstat (limited to 'include/asm-cris/arch-v32/dma.h')
-rw-r--r-- | include/asm-cris/arch-v32/dma.h | 79 |
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 | |||
50 | enum 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 | |||
70 | int crisv32_request_dma(unsigned int dmanr, const char * device_id, | ||
71 | unsigned options, unsigned bandwidth, enum dma_owner owner); | ||
72 | void 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 */ | ||