diff options
Diffstat (limited to 'include/asm-i386/dma.h')
| -rw-r--r-- | include/asm-i386/dma.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-i386/dma.h b/include/asm-i386/dma.h index 58f7bfc05..12e02b1d0 100644 --- a/include/asm-i386/dma.h +++ b/include/asm-i386/dma.h @@ -8,6 +8,7 @@ #ifndef _ASM_DMA_H #define _ASM_DMA_H +#include <linux/config.h> #include <asm/io.h> /* need byte IO */ #include <asm/spinlock.h> /* And spinlocks */ #include <linux/delay.h> @@ -131,6 +132,8 @@ #define DMA_MODE_WRITE 0x48 /* memory to I/O, no autoinit, increment, single mode */ #define DMA_MODE_CASCADE 0xC0 /* pass thru DREQ->HRQ, DACK<-HLDA only */ +#define DMA_AUTOINIT 0x10 + extern spinlock_t dma_spin_lock; @@ -284,4 +287,11 @@ static __inline__ int get_dma_residue(unsigned int dmanr) extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */ extern void free_dma(unsigned int dmanr); /* release it again */ +/* From PCI */ + +#ifdef CONFIG_PCI_QUIRKS +extern int isa_dma_bridge_buggy; +#else +#define isa_dma_bridge_buggy (0) +#endif #endif /* _ASM_DMA_H */ |