1/*
 2 *  arch/arm/include/asm/hardware/memc.h
 3 *
 4 *  Copyright (C) Russell King.
 5 *
 6 * This program is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License version 2 as
 8 * published by the Free Software Foundation.
 9 */
10#define VDMA_ALIGNMENT	PAGE_SIZE
11#define VDMA_XFERSIZE	16
12#define VDMA_INIT	0
13#define VDMA_START	1
14#define VDMA_END	2
15
16#ifndef __ASSEMBLY__
17extern void memc_write(unsigned int reg, unsigned long val);
18
19#define video_set_dma(start,end,offset)				\
20do {								\
21	memc_write (VDMA_START, (start >> 2));			\
22	memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2);	\
23	memc_write (VDMA_INIT, (offset >> 2));			\
24} while (0)
25
26#endif

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 *  arch/arm/include/asm/hardware/memc.h
 4 *
 5 *  Copyright (C) Russell King.
 
 
 
 
 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__
14extern void memc_write(unsigned int reg, unsigned long val);
15
16#define video_set_dma(start,end,offset)				\
17do {								\
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