1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef __ASM_ARM_DMA_H 13 #define __ASM_ARM_DMA_H 14 15 typedef unsigned int dmach_t; 16 17 #include <linux/spinlock.h> 18 #include <asm/system.h> 19 #include <asm/scatterlist.h> 20 #include <asm/arch/dma.h> 21 22 #ifndef MAX_DMA_ADDRESS 23 #define MAX_DMA_ADDRESS 0xffffffff 24 #endif 25 26 typedef unsigned int dmamode_t; 27 28 #define DMA_MODE_MASK 3 29 30 #define DMA_MODE_READ 0 31 #define DMA_MODE_WRITE 1 32 #define DMA_MODE_CASCADE 2 33 #define DMA_AUTOINIT 4 34 35 #define clear_dma_ff(channel) 36 37 #define set_dma_addr(channel, addr) __set_dma_addr(channel, bus_to_virt(addr)) 38 39 #ifndef NO_DMA 40 #define NO_DMA 255 41 #endif 42 43 #define isa_dma_bridge_buggy (0) 44 45 #endif 46