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-rw-r--r--include/asm-arm/dma.h143
1 files changed, 0 insertions, 143 deletions
diff --git a/include/asm-arm/dma.h b/include/asm-arm/dma.h
deleted file mode 100644
index 9f2c5305c26..00000000000
--- a/include/asm-arm/dma.h
+++ /dev/null
@@ -1,143 +0,0 @@
-#ifndef __ASM_ARM_DMA_H
-#define __ASM_ARM_DMA_H
-
-typedef unsigned int dmach_t;
-
-#include <linux/spinlock.h>
-#include <asm/system.h>
-#include <asm/scatterlist.h>
-#include <asm/arch/dma.h>
-
-/*
- * This is the maximum virtual address which can be DMA'd from.
- */
-#ifndef MAX_DMA_ADDRESS
-#define MAX_DMA_ADDRESS 0xffffffff
-#endif
-
-/*
- * DMA modes
- */
-typedef unsigned int dmamode_t;
-
-#define DMA_MODE_MASK 3
-
-#define DMA_MODE_READ 0
-#define DMA_MODE_WRITE 1
-#define DMA_MODE_CASCADE 2
-#define DMA_AUTOINIT 4
-
-extern spinlock_t dma_spin_lock;
-
-static inline unsigned long claim_dma_lock(void)
-{
- unsigned long flags;
- spin_lock_irqsave(&dma_spin_lock, flags);
- return flags;
-}
-
-static inline void release_dma_lock(unsigned long flags)
-{
- spin_unlock_irqrestore(&dma_spin_lock, flags);
-}
-
-/* Clear the 'DMA Pointer Flip Flop'.
- * Write 0 for LSB/MSB, 1 for MSB/LSB access.
- */
-#define clear_dma_ff(channel)
-
-/* Set only the page register bits of the transfer address.
- *
- * NOTE: This is an architecture specific function, and should
- * be hidden from the drivers
- */
-extern void set_dma_page(dmach_t channel, char pagenr);
-
-/* Request a DMA channel
- *
- * Some architectures may need to do allocate an interrupt
- */
-extern int request_dma(dmach_t channel, const char * device_id);
-
-/* Free a DMA channel
- *
- * Some architectures may need to do free an interrupt
- */
-extern void free_dma(dmach_t channel);
-
-/* Enable DMA for this channel
- *
- * On some architectures, this may have other side effects like
- * enabling an interrupt and setting the DMA registers.
- */
-extern void enable_dma(dmach_t channel);
-
-/* Disable DMA for this channel
- *
- * On some architectures, this may have other side effects like
- * disabling an interrupt or whatever.
- */
-extern void disable_dma(dmach_t channel);
-
-/* Test whether the specified channel has an active DMA transfer
- */
-extern int dma_channel_active(dmach_t channel);
-
-/* Set the DMA scatter gather list for this channel
- *
- * This should not be called if a DMA channel is enabled,
- * especially since some DMA architectures don't update the
- * DMA address immediately, but defer it to the enable_dma().
- */
-extern void set_dma_sg(dmach_t channel, struct scatterlist *sg, int nr_sg);
-
-/* Set the DMA address for this channel
- *
- * This should not be called if a DMA channel is enabled,
- * especially since some DMA architectures don't update the
- * DMA address immediately, but defer it to the enable_dma().
- */
-extern void __set_dma_addr(dmach_t channel, void *addr);
-#define set_dma_addr(channel, addr) \
- __set_dma_addr(channel, bus_to_virt(addr))
-
-/* Set the DMA byte count for this channel
- *
- * This should not be called if a DMA channel is enabled,
- * especially since some DMA architectures don't update the
- * DMA count immediately, but defer it to the enable_dma().
- */
-extern void set_dma_count(dmach_t channel, unsigned long count);
-
-/* Set the transfer direction for this channel
- *
- * This should not be called if a DMA channel is enabled,
- * especially since some DMA architectures don't update the
- * DMA transfer direction immediately, but defer it to the
- * enable_dma().
- */
-extern void set_dma_mode(dmach_t channel, dmamode_t mode);
-
-/* Set the transfer speed for this channel
- */
-extern void set_dma_speed(dmach_t channel, int cycle_ns);
-
-/* Get DMA residue count. After a DMA transfer, this
- * should return zero. Reading this while a DMA transfer is
- * still in progress will return unpredictable results.
- * If called before the channel has been used, it may return 1.
- * Otherwise, it returns the number of _bytes_ left to transfer.
- */
-extern int get_dma_residue(dmach_t channel);
-
-#ifndef NO_DMA
-#define NO_DMA 255
-#endif
-
-#ifdef CONFIG_PCI
-extern int isa_dma_bridge_buggy;
-#else
-#define isa_dma_bridge_buggy (0)
-#endif
-
-#endif /* _ARM_DMA_H */