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 @@ +#ifndef _ASM_ARCH_CRIS_DMA_H +#define _ASM_ARCH_CRIS_DMA_H + +/* Defines for using and allocating dma channels. */ + +#define MAX_DMA_CHANNELS 10 + +#define NETWORK_ETH0_TX_DMA_NBR 0 /* Ethernet 0 out. */ +#define NETWORK_ETH0 RX_DMA_NBR 1 /* Ethernet 0 in. */ + +#define IO_PROC_DMA0_TX_DMA_NBR 2 /* IO processor DMA0 out. */ +#define IO_PROC_DMA0_RX_DMA_NBR 3 /* IO processor DMA0 in. */ + +#define ATA_TX_DMA_NBR 2 /* ATA interface out. */ +#define ATA_RX_DMA_NBR 3 /* ATA interface in. */ + +#define ASYNC_SER2_TX_DMA_NBR 2 /* Asynchronous serial port 2 out. */ +#define ASYNC_SER2_RX_DMA_NBR 3 /* Asynchronous serial port 2 in. */ + +#define IO_PROC_DMA1_TX_DMA_NBR 4 /* IO processor DMA1 out. */ +#define IO_PROC_DMA1_RX_DMA_NBR 5 /* IO processor DMA1 in. */ + +#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */ +#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */ + +#define SYNC_SER0_TX_DMA_NBR 4 /* Synchronous serial port 0 out. */ +#define SYNC_SER0_RX_DMA_NBR 5 /* Synchronous serial port 0 in. */ + +#define EXTDMA0_TX_DMA_NBR 6 /* External DMA 0 out. */ +#define EXTDMA1_RX_DMA_NBR 7 /* External DMA 1 in. */ + +#define ASYNC_SER0_TX_DMA_NBR 6 /* Asynchronous serial port 0 out. */ +#define ASYNC_SER0_RX_DMA_NBR 7 /* Asynchronous serial port 0 in. */ + +#define SYNC_SER1_TX_DMA_NBR 6 /* Synchronous serial port 1 out. */ +#define SYNC_SER1_RX_DMA_NBR 7 /* Synchronous serial port 1 in. */ + +#define NETWORK_ETH1_TX_DMA_NBR 6 /* Ethernet 1 out. */ +#define NETWORK_ETH1_RX_DMA_NBR 7 /* Ethernet 1 in. */ + +#define EXTDMA2_TX_DMA_NBR 8 /* External DMA 2 out. */ +#define EXTDMA3_RX_DMA_NBR 9 /* External DMA 3 in. */ + +#define STRCOP_TX_DMA_NBR 8 /* Stream co-processor out. */ +#define STRCOP_RX_DMA_NBR 9 /* Stream co-processor in. */ + +#define ASYNC_SER3_TX_DMA_NBR 8 /* Asynchronous serial port 3 out. */ +#define ASYNC_SER3_RX_DMA_NBR 9 /* Asynchronous serial port 3 in. */ + +enum dma_owner +{ + dma_eth0, + dma_eth1, + dma_iop0, + dma_iop1, + dma_ser0, + dma_ser1, + dma_ser2, + dma_ser3, + dma_sser0, + dma_sser1, + dma_ata, + dma_strp, + dma_ext0, + dma_ext1, + dma_ext2, + dma_ext3 +}; + +int crisv32_request_dma(unsigned int dmanr, const char * device_id, + unsigned options, unsigned bandwidth, enum dma_owner owner); +void crisv32_free_dma(unsigned int dmanr); + +/* Masks used by crisv32_request_dma options: */ +#define DMA_VERBOSE_ON_ERROR 1 +#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR) +#define DMA_INT_MEM 4 + +#endif /* _ASM_ARCH_CRIS_DMA_H */ |