27 lines
		
	
	
	
		
			697 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			27 lines
		
	
	
	
		
			697 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  *  linux/include/asm-arm/hardware/memc.h | ||
|  |  * | ||
|  |  *  Copyright (C) Russell King. | ||
|  |  * | ||
|  |  * This program is free software; you can redistribute it and/or modify | ||
|  |  * it under the terms of the GNU General Public License version 2 as | ||
|  |  * published by the Free Software Foundation. | ||
|  |  */ | ||
|  | #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
 |