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Diffstat (limited to 'ANDROID_3.4.5/include/linux/dma-mapping.h')
-rw-r--r--ANDROID_3.4.5/include/linux/dma-mapping.h237
1 files changed, 0 insertions, 237 deletions
diff --git a/ANDROID_3.4.5/include/linux/dma-mapping.h b/ANDROID_3.4.5/include/linux/dma-mapping.h
deleted file mode 100644
index dfc099e5..00000000
--- a/ANDROID_3.4.5/include/linux/dma-mapping.h
+++ /dev/null
@@ -1,237 +0,0 @@
-#ifndef _LINUX_DMA_MAPPING_H
-#define _LINUX_DMA_MAPPING_H
-
-#include <linux/string.h>
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/dma-attrs.h>
-#include <linux/dma-direction.h>
-#include <linux/scatterlist.h>
-
-struct dma_map_ops {
- void* (*alloc)(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp,
- struct dma_attrs *attrs);
- void (*free)(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle,
- struct dma_attrs *attrs);
- int (*mmap)(struct device *, struct vm_area_struct *,
- void *, dma_addr_t, size_t, struct dma_attrs *attrs);
-
- dma_addr_t (*map_page)(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction dir,
- struct dma_attrs *attrs);
- void (*unmap_page)(struct device *dev, dma_addr_t dma_handle,
- size_t size, enum dma_data_direction dir,
- struct dma_attrs *attrs);
- int (*map_sg)(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction dir,
- struct dma_attrs *attrs);
- void (*unmap_sg)(struct device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction dir,
- struct dma_attrs *attrs);
- void (*sync_single_for_cpu)(struct device *dev,
- dma_addr_t dma_handle, size_t size,
- enum dma_data_direction dir);
- void (*sync_single_for_device)(struct device *dev,
- dma_addr_t dma_handle, size_t size,
- enum dma_data_direction dir);
- void (*sync_sg_for_cpu)(struct device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction dir);
- void (*sync_sg_for_device)(struct device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction dir);
- int (*mapping_error)(struct device *dev, dma_addr_t dma_addr);
- int (*dma_supported)(struct device *dev, u64 mask);
- int (*set_dma_mask)(struct device *dev, u64 mask);
-#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
- u64 (*get_required_mask)(struct device *dev);
-#endif
- int is_phys;
-};
-
-#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
-
-#define DMA_MASK_NONE 0x0ULL
-
-static inline int valid_dma_direction(int dma_direction)
-{
- return ((dma_direction == DMA_BIDIRECTIONAL) ||
- (dma_direction == DMA_TO_DEVICE) ||
- (dma_direction == DMA_FROM_DEVICE));
-}
-
-static inline int is_device_dma_capable(struct device *dev)
-{
- return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE;
-}
-
-#ifdef CONFIG_HAS_DMA
-#include <asm/dma-mapping.h>
-#else
-#include <asm-generic/dma-mapping-broken.h>
-#endif
-
-static inline u64 dma_get_mask(struct device *dev)
-{
- if (dev && dev->dma_mask && *dev->dma_mask)
- return *dev->dma_mask;
- return DMA_BIT_MASK(32);
-}
-
-#ifdef CONFIG_ARCH_HAS_DMA_SET_COHERENT_MASK
-int dma_set_coherent_mask(struct device *dev, u64 mask);
-#else
-static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
-{
- if (!dma_supported(dev, mask))
- return -EIO;
- dev->coherent_dma_mask = mask;
- return 0;
-}
-#endif
-
-extern u64 dma_get_required_mask(struct device *dev);
-
-static inline unsigned int dma_get_max_seg_size(struct device *dev)
-{
- return dev->dma_parms ? dev->dma_parms->max_segment_size : 65536;
-}
-
-static inline unsigned int dma_set_max_seg_size(struct device *dev,
- unsigned int size)
-{
- if (dev->dma_parms) {
- dev->dma_parms->max_segment_size = size;
- return 0;
- } else
- return -EIO;
-}
-
-static inline unsigned long dma_get_seg_boundary(struct device *dev)
-{
- return dev->dma_parms ?
- dev->dma_parms->segment_boundary_mask : 0xffffffff;
-}
-
-static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask)
-{
- if (dev->dma_parms) {
- dev->dma_parms->segment_boundary_mask = mask;
- return 0;
- } else
- return -EIO;
-}
-
-static inline void *dma_zalloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag)
-{
- void *ret = dma_alloc_coherent(dev, size, dma_handle, flag);
- if (ret)
- memset(ret, 0, size);
- return ret;
-}
-
-#ifdef CONFIG_HAS_DMA
-static inline int dma_get_cache_alignment(void)
-{
-#ifdef ARCH_DMA_MINALIGN
- return ARCH_DMA_MINALIGN;
-#endif
- return 1;
-}
-#endif
-
-/* flags for the coherent memory api */
-#define DMA_MEMORY_MAP 0x01
-#define DMA_MEMORY_IO 0x02
-#define DMA_MEMORY_INCLUDES_CHILDREN 0x04
-#define DMA_MEMORY_EXCLUSIVE 0x08
-
-#ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
-static inline int
-dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
- dma_addr_t device_addr, size_t size, int flags)
-{
- return 0;
-}
-
-static inline void
-dma_release_declared_memory(struct device *dev)
-{
-}
-
-static inline void *
-dma_mark_declared_memory_occupied(struct device *dev,
- dma_addr_t device_addr, size_t size)
-{
- return ERR_PTR(-EBUSY);
-}
-#endif
-
-/*
- * Managed DMA API
- */
-extern void *dmam_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp);
-extern void dmam_free_coherent(struct device *dev, size_t size, void *vaddr,
- dma_addr_t dma_handle);
-extern void *dmam_alloc_noncoherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp);
-extern void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr,
- dma_addr_t dma_handle);
-#ifdef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
-extern int dmam_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
- dma_addr_t device_addr, size_t size,
- int flags);
-extern void dmam_release_declared_memory(struct device *dev);
-#else /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */
-static inline int dmam_declare_coherent_memory(struct device *dev,
- dma_addr_t bus_addr, dma_addr_t device_addr,
- size_t size, gfp_t gfp)
-{
- return 0;
-}
-
-static inline void dmam_release_declared_memory(struct device *dev)
-{
-}
-#endif /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */
-
-#ifndef CONFIG_HAVE_DMA_ATTRS
-struct dma_attrs;
-
-#define dma_map_single_attrs(dev, cpu_addr, size, dir, attrs) \
- dma_map_single(dev, cpu_addr, size, dir)
-
-#define dma_unmap_single_attrs(dev, dma_addr, size, dir, attrs) \
- dma_unmap_single(dev, dma_addr, size, dir)
-
-#define dma_map_sg_attrs(dev, sgl, nents, dir, attrs) \
- dma_map_sg(dev, sgl, nents, dir)
-
-#define dma_unmap_sg_attrs(dev, sgl, nents, dir, attrs) \
- dma_unmap_sg(dev, sgl, nents, dir)
-
-#endif /* CONFIG_HAVE_DMA_ATTRS */
-
-#ifdef CONFIG_NEED_DMA_MAP_STATE
-#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME
-#define DEFINE_DMA_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME
-#define dma_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
-#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
-#define dma_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
-#define dma_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
-#else
-#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)
-#define DEFINE_DMA_UNMAP_LEN(LEN_NAME)
-#define dma_unmap_addr(PTR, ADDR_NAME) (0)
-#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define dma_unmap_len(PTR, LEN_NAME) (0)
-#define dma_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
-#endif
-
-#endif
generated by cgit (git 2.34.1) at 2025-02-04 13:38:45 +0000