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Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/include/asm/dma-mapping.h')
-rw-r--r--ANDROID_3.4.5/arch/powerpc/include/asm/dma-mapping.h223
1 files changed, 0 insertions, 223 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/include/asm/dma-mapping.h b/ANDROID_3.4.5/arch/powerpc/include/asm/dma-mapping.h
deleted file mode 100644
index 62678e36..00000000
--- a/ANDROID_3.4.5/arch/powerpc/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Copyright (C) 2004 IBM
- *
- * Implements the generic device dma API for powerpc.
- * the pci and vio busses
- */
-#ifndef _ASM_DMA_MAPPING_H
-#define _ASM_DMA_MAPPING_H
-#ifdef __KERNEL__
-
-#include <linux/types.h>
-#include <linux/cache.h>
-/* need struct page definitions */
-#include <linux/mm.h>
-#include <linux/scatterlist.h>
-#include <linux/dma-attrs.h>
-#include <linux/dma-debug.h>
-#include <asm/io.h>
-#include <asm/swiotlb.h>
-
-#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
-
-/* Some dma direct funcs must be visible for use in other dma_ops */
-extern void *dma_direct_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag,
- struct dma_attrs *attrs);
-extern void dma_direct_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle,
- struct dma_attrs *attrs);
-
-
-#ifdef CONFIG_NOT_COHERENT_CACHE
-/*
- * DMA-consistent mapping functions for PowerPCs that don't support
- * cache snooping. These allocate/free a region of uncached mapped
- * memory space for use with DMA devices. Alternatively, you could
- * allocate the space "normally" and use the cache management functions
- * to ensure it is consistent.
- */
-struct device;
-extern void *__dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *handle, gfp_t gfp);
-extern void __dma_free_coherent(size_t size, void *vaddr);
-extern void __dma_sync(void *vaddr, size_t size, int direction);
-extern void __dma_sync_page(struct page *page, unsigned long offset,
- size_t size, int direction);
-extern unsigned long __dma_get_coherent_pfn(unsigned long cpu_addr);
-
-#else /* ! CONFIG_NOT_COHERENT_CACHE */
-/*
- * Cache coherent cores.
- */
-
-#define __dma_alloc_coherent(dev, gfp, size, handle) NULL
-#define __dma_free_coherent(size, addr) ((void)0)
-#define __dma_sync(addr, size, rw) ((void)0)
-#define __dma_sync_page(pg, off, sz, rw) ((void)0)
-
-#endif /* ! CONFIG_NOT_COHERENT_CACHE */
-
-static inline unsigned long device_to_mask(struct device *dev)
-{
- if (dev->dma_mask && *dev->dma_mask)
- return *dev->dma_mask;
- /* Assume devices without mask can take 32 bit addresses */
- return 0xfffffffful;
-}
-
-/*
- * Available generic sets of operations
- */
-#ifdef CONFIG_PPC64
-extern struct dma_map_ops dma_iommu_ops;
-#endif
-extern struct dma_map_ops dma_direct_ops;
-
-static inline struct dma_map_ops *get_dma_ops(struct device *dev)
-{
- /* We don't handle the NULL dev case for ISA for now. We could
- * do it via an out of line call but it is not needed for now. The
- * only ISA DMA device we support is the floppy and we have a hack
- * in the floppy driver directly to get a device for us.
- */
- if (unlikely(dev == NULL))
- return NULL;
-
- return dev->archdata.dma_ops;
-}
-
-static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
-{
- dev->archdata.dma_ops = ops;
-}
-
-/*
- * get_dma_offset()
- *
- * Get the dma offset on configurations where the dma address can be determined
- * from the physical address by looking at a simple offset. Direct dma and
- * swiotlb use this function, but it is typically not used by implementations
- * with an iommu.
- */
-static inline dma_addr_t get_dma_offset(struct device *dev)
-{
- if (dev)
- return dev->archdata.dma_data.dma_offset;
-
- return PCI_DRAM_OFFSET;
-}
-
-static inline void set_dma_offset(struct device *dev, dma_addr_t off)
-{
- if (dev)
- dev->archdata.dma_data.dma_offset = off;
-}
-
-/* this will be removed soon */
-#define flush_write_buffers()
-
-#include <asm-generic/dma-mapping-common.h>
-
-static inline int dma_supported(struct device *dev, u64 mask)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- if (unlikely(dma_ops == NULL))
- return 0;
- if (dma_ops->dma_supported == NULL)
- return 1;
- return dma_ops->dma_supported(dev, mask);
-}
-
-extern int dma_set_mask(struct device *dev, u64 dma_mask);
-
-#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL)
-
-static inline void *dma_alloc_attrs(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
- void *cpu_addr;
-
- BUG_ON(!dma_ops);
-
- cpu_addr = dma_ops->alloc(dev, size, dma_handle, flag, attrs);
-
- debug_dma_alloc_coherent(dev, size, *dma_handle, cpu_addr);
-
- return cpu_addr;
-}
-
-#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
-
-static inline void dma_free_attrs(struct device *dev, size_t size,
- void *cpu_addr, dma_addr_t dma_handle,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- debug_dma_free_coherent(dev, size, cpu_addr, dma_handle);
-
- dma_ops->free(dev, size, cpu_addr, dma_handle, attrs);
-}
-
-static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- if (dma_ops->mapping_error)
- return dma_ops->mapping_error(dev, dma_addr);
-
-#ifdef CONFIG_PPC64
- return (dma_addr == DMA_ERROR_CODE);
-#else
- return 0;
-#endif
-}
-
-static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
-{
-#ifdef CONFIG_SWIOTLB
- struct dev_archdata *sd = &dev->archdata;
-
- if (sd->max_direct_dma_addr && addr + size > sd->max_direct_dma_addr)
- return 0;
-#endif
-
- if (!dev->dma_mask)
- return 0;
-
- return addr + size - 1 <= *dev->dma_mask;
-}
-
-static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
-{
- return paddr + get_dma_offset(dev);
-}
-
-static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
-{
- return daddr - get_dma_offset(dev);
-}
-
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-
-extern int dma_mmap_coherent(struct device *, struct vm_area_struct *,
- void *, dma_addr_t, size_t);
-#define ARCH_HAS_DMA_MMAP_COHERENT
-
-
-static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(direction == DMA_NONE);
- __dma_sync(vaddr, size, (int)direction);
-}
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_DMA_MAPPING_H */