diff options
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/dma.h')
-rw-r--r-- | arch/arm/mach-pxa/include/mach/dma.h | 33 |
1 files changed, 4 insertions, 29 deletions
diff --git a/arch/arm/mach-pxa/include/mach/dma.h b/arch/arm/mach-pxa/include/mach/dma.h index 7804637a6df3..5bd55894a48d 100644 --- a/arch/arm/mach-pxa/include/mach/dma.h +++ b/arch/arm/mach-pxa/include/mach/dma.h | |||
@@ -12,35 +12,10 @@ | |||
12 | #ifndef __ASM_ARCH_DMA_H | 12 | #ifndef __ASM_ARCH_DMA_H |
13 | #define __ASM_ARCH_DMA_H | 13 | #define __ASM_ARCH_DMA_H |
14 | 14 | ||
15 | /* | 15 | #include <mach/hardware.h> |
16 | * Descriptor structure for PXA's DMA engine | ||
17 | * Note: this structure must always be aligned to a 16-byte boundary. | ||
18 | */ | ||
19 | |||
20 | typedef struct pxa_dma_desc { | ||
21 | volatile u32 ddadr; /* Points to the next descriptor + flags */ | ||
22 | volatile u32 dsadr; /* DSADR value for the current transfer */ | ||
23 | volatile u32 dtadr; /* DTADR value for the current transfer */ | ||
24 | volatile u32 dcmd; /* DCMD value for the current transfer */ | ||
25 | } pxa_dma_desc; | ||
26 | |||
27 | typedef enum { | ||
28 | DMA_PRIO_HIGH = 0, | ||
29 | DMA_PRIO_MEDIUM = 1, | ||
30 | DMA_PRIO_LOW = 2 | ||
31 | } pxa_dma_prio; | ||
32 | |||
33 | /* | ||
34 | * DMA registration | ||
35 | */ | ||
36 | |||
37 | int __init pxa_init_dma(int num_ch); | ||
38 | |||
39 | int pxa_request_dma (char *name, | ||
40 | pxa_dma_prio prio, | ||
41 | void (*irq_handler)(int, void *), | ||
42 | void *data); | ||
43 | 16 | ||
44 | void pxa_free_dma (int dma_ch); | 17 | /* DMA Controller Registers Definitions */ |
18 | #define DMAC_REGS_VIRT io_p2v(0x40000000) | ||
45 | 19 | ||
20 | #include <plat/dma.h> | ||
46 | #endif /* _ASM_ARCH_DMA_H */ | 21 | #endif /* _ASM_ARCH_DMA_H */ |