| /* arch/arm/mach-s3c2410/dma.h |
| * |
| * Copyright (C) 2006 Simtec Electronics |
| * Ben Dooks <ben@simtec.co.uk> |
| * |
| * Samsung S3C24XX DMA support |
| * |
| * 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. |
| */ |
| |
| extern struct sysdev_class dma_sysclass; |
| extern struct s3c2410_dma_chan s3c2410_chans[S3C2410_DMA_CHANNELS]; |
| |
| #define DMA_CH_VALID (1<<31) |
| |
| struct s3c24xx_dma_addr { |
| unsigned long from; |
| unsigned long to; |
| }; |
| |
| /* struct s3c24xx_dma_map |
| * |
| * this holds the mapping information for the channel selected |
| * to be connected to the specified device |
| */ |
| |
| struct s3c24xx_dma_map { |
| const char *name; |
| struct s3c24xx_dma_addr hw_addr; |
| |
| unsigned long channels[S3C2410_DMA_CHANNELS]; |
| }; |
| |
| struct s3c24xx_dma_selection { |
| struct s3c24xx_dma_map *map; |
| unsigned long map_size; |
| unsigned long dcon_mask; |
| |
| void (*select)(struct s3c2410_dma_chan *chan, |
| struct s3c24xx_dma_map *map); |
| }; |
| |
| extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel); |
