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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:11:24 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:11:24 +0000
commitce6a36c7f7c88e7ca0fda816f9282237bb86829d (patch)
tree611bf9beb2281d34260ca87fc189a0ddc864819a /libdde-linux26/libdde_linux26/contrib/include/asm-generic/dma-mapping-broken.h
parentbb9d6cd642f9189b8102d566c8c46a6de1d2c5f7 (diff)
parent4fbe7358c7747a9165f776eb19addbb9baf7def2 (diff)
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde-linux26/libdde_linux26/contrib/include/asm-generic/dma-mapping-broken.h')
-rw-r--r--libdde-linux26/libdde_linux26/contrib/include/asm-generic/dma-mapping-broken.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/libdde-linux26/libdde_linux26/contrib/include/asm-generic/dma-mapping-broken.h b/libdde-linux26/libdde_linux26/contrib/include/asm-generic/dma-mapping-broken.h
new file mode 100644
index 00000000..82cd0cb1
--- /dev/null
+++ b/libdde-linux26/libdde_linux26/contrib/include/asm-generic/dma-mapping-broken.h
@@ -0,0 +1,82 @@
+#ifndef _ASM_GENERIC_DMA_MAPPING_H
+#define _ASM_GENERIC_DMA_MAPPING_H
+
+/* define the dma api to allow compilation but not linking of
+ * dma dependent code. Code that depends on the dma-mapping
+ * API needs to set 'depends on HAS_DMA' in its Kconfig
+ */
+
+struct scatterlist;
+
+extern void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+ gfp_t flag);
+
+extern void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+ dma_addr_t dma_handle);
+
+#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 dma_addr_t
+dma_map_single(struct device *dev, void *ptr, size_t size,
+ enum dma_data_direction direction);
+
+extern void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+ enum dma_data_direction direction);
+
+extern int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+ enum dma_data_direction direction);
+
+extern void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+ enum dma_data_direction direction);
+
+extern dma_addr_t
+dma_map_page(struct device *dev, struct page *page, unsigned long offset,
+ size_t size, enum dma_data_direction direction);
+
+extern void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+ enum dma_data_direction direction);
+
+extern void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction);
+
+extern void
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
+ unsigned long offset, size_t size,
+ enum dma_data_direction direction);
+
+extern void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+ enum dma_data_direction direction);
+
+#define dma_sync_single_for_device dma_sync_single_for_cpu
+#define dma_sync_single_range_for_device dma_sync_single_range_for_cpu
+#define dma_sync_sg_for_device dma_sync_sg_for_cpu
+
+extern int
+dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
+
+extern int
+dma_supported(struct device *dev, u64 mask);
+
+extern int
+dma_set_mask(struct device *dev, u64 mask);
+
+extern int
+dma_get_cache_alignment(void);
+
+extern int
+dma_is_consistent(struct device *dev, dma_addr_t dma_handle);
+
+extern void
+dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+ enum dma_data_direction direction);
+
+#endif /* _ASM_GENERIC_DMA_MAPPING_H */