#ifndef _ASM_ARCH_CRIS_DMA_H #define _ASM_ARCH_CRIS_DMA_H /* Defines for using and allocating dma channels. */ #define MAX_DMA_CHANNELS 12 /* 8 and 10 not used. */ #define NETWORK_ETH_TX_DMA_NBR 0 /* Ethernet 0 out. */ #define NETWORK_ETH_RX_DMA_NBR 1 /* Ethernet 0 in. */ #define IO_PROC_DMA_TX_DMA_NBR 4 /* IO processor DMA0 out. */ #define IO_PROC_DMA_RX_DMA_NBR 5 /* IO processor DMA0 in. */ #define ASYNC_SER3_TX_DMA_NBR 2 /* Asynchronous serial port 3 out. */ #define ASYNC_SER3_RX_DMA_NBR 3 /* Asynchronous serial port 3 in. */ #define ASYNC_SER2_TX_DMA_NBR 6 /* Asynchronous serial port 2 out. */ #define ASYNC_SER2_RX_DMA_NBR 7 /* Asynchronous serial port 2 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_SER_TX_DMA_NBR 6 /* Synchronous serial port 0 out. */ #define SYNC_SER_RX_DMA_NBR 7 /* Synchronous serial port 0 in. */ #define ASYNC_SER0_TX_DMA_NBR 0 /* Asynchronous serial port 0 out. */ #define ASYNC_SER0_RX_DMA_NBR 1 /* Asynchronous serial port 0 in. */ #define STRCOP_TX_DMA_NBR 2 /* Stream co-processor out. */ #define STRCOP_RX_DMA_NBR 3 /* Stream co-processor in. */ #define dma_eth0 dma_eth #define dma_eth1 dma_eth enum dma_owner { dma_eth, dma_ser0, dma_ser1, dma_ser2, dma_ser3, dma_ser4, dma_iop, dma_sser, dma_strp, dma_h264, dma_jpeg }; 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 */ |