Merge branch 'xen-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen

[sfrench/cifs-2.6.git] / include / asm-m68k / dma-mapping.h

diff --git a/include/asm-m68k/dma-mapping.h b/include/asm-m68k/dma-mapping.h
index dffd59cf136496c57d392f2908cf5e23d210107f..a26cdeb46a575e2a0756ed8c4226fe64a4139a9c 100644 (file)
--- a/include/asm-m68k/dma-mapping.h
+++ b/include/asm-m68k/dma-mapping.h
@@ -1,9 +1,94 @@
 #ifndef _M68K_DMA_MAPPING_H
 #define _M68K_DMA_MAPPING_H
 
+#include <asm/cache.h>
+
+struct scatterlist;
+
+#ifndef CONFIG_MMU_SUN3
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+       return 1;
+}
+
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+       return 0;
+}
+
+static inline int dma_get_cache_alignment(void)
+{
+       return 1 << L1_CACHE_SHIFT;
+}
+
+static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
+{
+       return 0;
+}
+
+extern void *dma_alloc_coherent(struct device *, size_t,
+                               dma_addr_t *, gfp_t);
+extern void dma_free_coherent(struct device *, size_t,
+                             void *, dma_addr_t);
+
+static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,
+                                         dma_addr_t *handle, gfp_t flag)
+{
+       return dma_alloc_coherent(dev, size, handle, flag);
+}
+static inline void dma_free_noncoherent(struct device *dev, size_t size,
+                                       void *addr, dma_addr_t handle)
+{
+       dma_free_coherent(dev, size, addr, handle);
+}
+static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+                                 enum dma_data_direction dir)
+{
+       /* we use coherent allocation, so not much to do here. */
+}
+
+extern dma_addr_t dma_map_single(struct device *, void *, size_t,
+                                enum dma_data_direction);
+static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
+                                   size_t size, enum dma_data_direction dir)
+{
+}
+
+extern dma_addr_t dma_map_page(struct device *, struct page *,
+                              unsigned long, size_t size,
+                              enum dma_data_direction);
+static inline void dma_unmap_page(struct device *dev, dma_addr_t address,
+                                 size_t size, enum dma_data_direction dir)
+{
+}
+
+extern int dma_map_sg(struct device *, struct scatterlist *, int,
+                     enum dma_data_direction);
+static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+                               int nhwentries, enum dma_data_direction dir)
+{
+}
+
+extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t,
+                                      enum dma_data_direction);
+extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int,
+                                  enum dma_data_direction);
+
+static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle,
+                                          size_t size, enum dma_data_direction dir)
+{
+}
+
+static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
+                                      int nents, enum dma_data_direction dir)
+{
+}
+
+static inline int dma_mapping_error(dma_addr_t handle)
+{
+       return 0;
+}
 
-#ifdef CONFIG_PCI
-#include <asm-generic/dma-mapping.h>
 #else
 #include <asm-generic/dma-mapping-broken.h>
 #endif