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Release 4.14 arch/cris/include/arch-v32/mach-a3/mach/dma.h

/* SPDX-License-Identifier: GPL-2.0 */
#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 */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jesper Nilsson17399.43%266.67%
Greg Kroah-Hartman10.57%133.33%
Total174100.00%3100.00%
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