-/* $Id: dma.h,v 1.21 2001/12/13 04:16:52 davem Exp $
+/*
* include/asm-sparc64/dma.h
*
* Copyright 1996 (C) David S. Miller (davem@caip.rutgers.edu)
#include <asm/delay.h>
#include <asm/oplib.h>
-extern spinlock_t dma_spin_lock;
-
-#define claim_dma_lock() \
-({ unsigned long flags; \
- spin_lock_irqsave(&dma_spin_lock, flags); \
- flags; \
-})
-
-#define release_dma_lock(__flags) \
- spin_unlock_irqrestore(&dma_spin_lock, __flags);
-
/* These are irrelevant for Sparc DMA, but we leave it in so that
* things can compile.
*/
#define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL))
/* Yes, I hack a lot of elisp in my spare time... */
-#define DMA_ERROR_P(regs) (((sbus_readl((regs) + DMA_CSR) & DMA_HNDL_ERROR))
-#define DMA_IRQ_P(regs) (((sbus_readl((regs) + DMA_CSR)) & (DMA_HNDL_INTR | DMA_HNDL_ERROR)))
-#define DMA_WRITE_P(regs) (((sbus_readl((regs) + DMA_CSR) & DMA_ST_WRITE))
+#define DMA_ERROR_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_HNDL_ERROR))
+#define DMA_IRQ_P(regs) ((sbus_readl((regs) + DMA_CSR)) & (DMA_HNDL_INTR | DMA_HNDL_ERROR))
+#define DMA_WRITE_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_ST_WRITE))
#define DMA_OFF(__regs) \
do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \
tmp &= ~DMA_ENABLE; \
#define for_each_dvma(dma) \
for((dma) = dma_chain; (dma); (dma) = (dma)->next)
-extern int get_dma_list(char *);
-extern int request_dma(unsigned int, __const__ char *);
-extern void free_dma(unsigned int);
-
/* From PCI */
#ifdef CONFIG_PCI