[thirdparty/kernel/stable.git] / arch / arm / include / asm / hardware / memc.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  arch/arm/include/asm/hardware/memc.h
 *
 *  Copyright (C) Russell King.
 */
#define VDMA_ALIGNMENT	PAGE_SIZE
#define VDMA_XFERSIZE	16
#define VDMA_INIT	0
#define VDMA_START	1
#define VDMA_END	2

#ifndef __ASSEMBLY__
extern void memc_write(unsigned int reg, unsigned long val);

#define video_set_dma(start,end,offset)				\
do {								\
	memc_write (VDMA_START, (start >> 2));			\
	memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2);	\
	memc_write (VDMA_INIT, (offset >> 2));			\
} while (0)

#endif
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
1da177e4	2	/*
4baa9922	3	* arch/arm/include/asm/hardware/memc.h
1da177e4 LT	4	*
1da177e4 LT	5	* Copyright (C) Russell King.
1da177e4 LT	6	*/
	7	#define VDMA_ALIGNMENT PAGE_SIZE
	8	#define VDMA_XFERSIZE 16
	9	#define VDMA_INIT 0
	10	#define VDMA_START 1
	11	#define VDMA_END 2
	12
	13	#ifndef __ASSEMBLY__
	14	extern void memc_write(unsigned int reg, unsigned long val);
	15
	16	#define video_set_dma(start,end,offset) \
	17	do { \
	18	memc_write (VDMA_START, (start >> 2)); \
	19	memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2); \
	20	memc_write (VDMA_INIT, (offset >> 2)); \
	21	} while (0)
	22
	23	#endif