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[ARM] dma: make DMA_MODE_xxx reflect ISA DMA settings

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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2009-01-02 12:18:53 +00:00
committed by Russell King
parent 5369bea7d7
commit bc6447b8e4
2 changed files with 9 additions and 17 deletions
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13
arch/arm/include/asm/dma.h
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@@ -26,12 +26,15 @@
*/
typedef unsigned int dmamode_t;
#define DMA_MODE_MASK 3
/*
* The DMA modes reflect the settings for the ISA DMA controller
*/
#define DMA_MODE_MASK 0xcc
#define DMA_MODE_READ 0
#define DMA_MODE_WRITE 1
#define DMA_MODE_CASCADE 2
#define DMA_AUTOINIT 4
#define DMA_MODE_READ 0x44
#define DMA_MODE_WRITE 0x48
#define DMA_MODE_CASCADE 0xc0
#define DMA_AUTOINIT 0x10
extern spinlock_t dma_spin_lock;