1 /* arch/arm/mach-s3c2410/dma.h
3 * Copyright (C) 2006 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * Samsung S3C24XX DMA support
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 extern struct sysdev_class dma_sysclass;
14 extern struct s3c2410_dma_chan s3c2410_chans[S3C2410_DMA_CHANNELS];
16 #define DMA_CH_VALID (1<<31)
18 struct s3c24xx_dma_addr {
23 /* struct s3c24xx_dma_map
25 * this holds the mapping information for the channel selected
26 * to be connected to the specified device
29 struct s3c24xx_dma_map {
31 struct s3c24xx_dma_addr hw_addr;
33 unsigned long channels[S3C2410_DMA_CHANNELS];
36 struct s3c24xx_dma_selection {
37 struct s3c24xx_dma_map *map;
38 unsigned long map_size;
39 unsigned long dcon_mask;
41 void (*select)(struct s3c2410_dma_chan *chan,
42 struct s3c24xx_dma_map *map);
45 extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel);