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Diffstat (limited to 'include/asm-sh/dma-mapping.h')
-rw-r--r--include/asm-sh/dma-mapping.h56
1 files changed, 20 insertions, 36 deletions
diff --git a/include/asm-sh/dma-mapping.h b/include/asm-sh/dma-mapping.h
index 20ae762e5258..22cc419389fe 100644
--- a/include/asm-sh/dma-mapping.h
+++ b/include/asm-sh/dma-mapping.h
@@ -8,11 +8,6 @@
extern struct bus_type pci_bus_type;
-/* arch/sh/mm/consistent.c */
-extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *handle);
-extern void consistent_free(void *vaddr, size_t size, dma_addr_t handle);
-extern void consistent_sync(void *vaddr, size_t size, int direction);
-
#define dma_supported(dev, mask) (1)
static inline int dma_set_mask(struct device *dev, u64 mask)
@@ -25,44 +20,19 @@ static inline int dma_set_mask(struct device *dev, u64 mask)
return 0;
}
-static inline void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag)
-{
- if (sh_mv.mv_consistent_alloc) {
- void *ret;
+void *dma_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag);
- ret = sh_mv.mv_consistent_alloc(dev, size, dma_handle, flag);
- if (ret != NULL)
- return ret;
- }
-
- return consistent_alloc(flag, size, dma_handle);
-}
-
-static inline void dma_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
-{
- if (sh_mv.mv_consistent_free) {
- int ret;
-
- ret = sh_mv.mv_consistent_free(dev, size, vaddr, dma_handle);
- if (ret == 0)
- return;
- }
+void dma_free_coherent(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle);
- consistent_free(vaddr, size, dma_handle);
-}
+void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+ enum dma_data_direction dir);
#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)
#define dma_is_consistent(d, h) (1)
-static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
- enum dma_data_direction dir)
-{
- consistent_sync(vaddr, size, (int)dir);
-}
-
static inline dma_addr_t dma_map_single(struct device *dev,
void *ptr, size_t size,
enum dma_data_direction dir)
@@ -205,4 +175,18 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
{
return dma_addr == 0;
}
+
+#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
+
+extern int
+dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
+ dma_addr_t device_addr, size_t size, int flags);
+
+extern void
+dma_release_declared_memory(struct device *dev);
+
+extern void *
+dma_mark_declared_memory_occupied(struct device *dev,
+ dma_addr_t device_addr, size_t size);
+
#endif /* __ASM_SH_DMA_MAPPING_H */