projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 58d08319 JN |
2 | #ifndef _ASM_ARCH_CRIS_DMA_H |
| 3 | #define _ASM_ARCH_CRIS_DMA_H | |
| 4 | ||
| 5 | /* Defines for using and allocating dma channels. */ | |
| 6 | ||
| 7 | #define MAX_DMA_CHANNELS 12 /* 8 and 10 not used. */ | |
| 8 | ||
| 6f09963c JN |
9 | #define NETWORK_ETH_TX_DMA_NBR 0 /* Ethernet 0 out. */ |
| 10 | #define NETWORK_ETH_RX_DMA_NBR 1 /* Ethernet 0 in. */ | |
| 11 | ||
| 12 | #define IO_PROC_DMA_TX_DMA_NBR 4 /* IO processor DMA0 out. */ | |
| 13 | #define IO_PROC_DMA_RX_DMA_NBR 5 /* IO processor DMA0 in. */ | |
| 14 | ||
| 15 | #define ASYNC_SER3_TX_DMA_NBR 2 /* Asynchronous serial port 3 out. */ | |
| 16 | #define ASYNC_SER3_RX_DMA_NBR 3 /* Asynchronous serial port 3 in. */ | |
| 17 | ||
| 18 | #define ASYNC_SER2_TX_DMA_NBR 6 /* Asynchronous serial port 2 out. */ | |
| 19 | #define ASYNC_SER2_RX_DMA_NBR 7 /* Asynchronous serial port 2 in. */ | |
| 20 | ||
| 21 | #define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */ | |
| 22 | #define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */ | |
| 23 | ||
| 24 | #define SYNC_SER_TX_DMA_NBR 6 /* Synchronous serial port 0 out. */ | |
| 25 | #define SYNC_SER_RX_DMA_NBR 7 /* Synchronous serial port 0 in. */ | |
| 26 | ||
| 27 | #define ASYNC_SER0_TX_DMA_NBR 0 /* Asynchronous serial port 0 out. */ | |
| 28 | #define ASYNC_SER0_RX_DMA_NBR 1 /* Asynchronous serial port 0 in. */ | |
| 29 | ||
| 30 | #define STRCOP_TX_DMA_NBR 2 /* Stream co-processor out. */ | |
| 31 | #define STRCOP_RX_DMA_NBR 3 /* Stream co-processor in. */ | |
| 32 | ||
| 33 | #define dma_eth0 dma_eth | |
| 34 | #define dma_eth1 dma_eth | |
| 35 | ||
| 58d08319 JN |
36 | enum dma_owner { |
| 37 | dma_eth, | |
| 38 | dma_ser0, | |
| 39 | dma_ser1, | |
| 40 | dma_ser2, | |
| 41 | dma_ser3, | |
| 42 | dma_ser4, | |
| 43 | dma_iop, | |
| 44 | dma_sser, | |
| 45 | dma_strp, | |
| 46 | dma_h264, | |
| 47 | dma_jpeg | |
| 48 | }; | |
| 49 | ||
| 50 | int crisv32_request_dma(unsigned int dmanr, const char *device_id, | |
| 51 | unsigned options, unsigned bandwidth, enum dma_owner owner); | |
| 52 | void crisv32_free_dma(unsigned int dmanr); | |
| 53 | ||
| 54 | /* Masks used by crisv32_request_dma options: */ | |
| 55 | #define DMA_VERBOSE_ON_ERROR 1 | |
| 56 | #define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR) | |
| 57 | #define DMA_INT_MEM 4 | |
| 58 | ||
| 59 | #endif /* _ASM_ARCH_CRIS_DMA_H */ |