diff options
Diffstat (limited to 'include/asm-ia64/dma.h')
| -rw-r--r-- | include/asm-ia64/dma.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-ia64/dma.h b/include/asm-ia64/dma.h new file mode 100644 index 000000000..3e6185064 --- /dev/null +++ b/include/asm-ia64/dma.h @@ -0,0 +1,36 @@ +#ifndef _ASM_IA64_DMA_H +#define _ASM_IA64_DMA_H + +/* + * Copyright (C) 1998, 1999 Hewlett-Packard Co + * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com> + */ + +#include <asm/io.h> /* need byte IO */ +#include <linux/config.h> +#include <linux/spinlock.h> /* And spinlocks */ +#include <linux/delay.h> + + +#ifdef HAVE_REALLY_SLOW_DMA_CONTROLLER +#define dma_outb outb_p +#else +#define dma_outb outb +#endif + +#define dma_inb inb + +#define MAX_DMA_CHANNELS 8 +#define MAX_DMA_ADDRESS (~0UL) /* no limits on DMAing, for now */ + +extern spinlock_t dma_spin_lock; + +/* From PCI */ + +#ifdef CONFIG_PCI +extern int isa_dma_bridge_buggy; +#else +#define isa_dma_bridge_buggy (0) +#endif + +#endif /* _ASM_IA64_DMA_H */ |