update: sync

[l4.git] / l4 / pkg / linux-26-headers / include / asm-xtensa / dma-mapping.h

diff --git a/l4/pkg/linux-26-headers/include/asm-xtensa/dma-mapping.h b/l4/pkg/linux-26-headers/include/asm-xtensa/dma-mapping.h
deleted file mode 100644 (file)
index 51882ae..0000000
--- a/l4/pkg/linux-26-headers/include/asm-xtensa/dma-mapping.h
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * include/asm-xtensa/dma-mapping.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_DMA_MAPPING_H
-#define _XTENSA_DMA_MAPPING_H
-
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <linux/mm.h>
-#include <linux/scatterlist.h>
-
-/*
- * DMA-consistent mapping functions.
- */
-
-extern void *consistent_alloc(int, size_t, dma_addr_t, unsigned long);
-extern void consistent_free(void*, size_t, dma_addr_t);
-extern void consistent_sync(void*, size_t, int);
-
-#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)
-
-void *dma_alloc_coherent(struct device *dev, size_t size,
-                          dma_addr_t *dma_handle, gfp_t flag);
-
-void dma_free_coherent(struct device *dev, size_t size,
-                        void *vaddr, dma_addr_t dma_handle);
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *ptr, size_t size,
-              enum dma_data_direction direction)
-{
-       BUG_ON(direction == DMA_NONE);
-       consistent_sync(ptr, size, direction);
-       return virt_to_phys(ptr);
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-                enum dma_data_direction direction)
-{
-       BUG_ON(direction == DMA_NONE);
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-          enum dma_data_direction direction)
-{
-       int i;
-
-       BUG_ON(direction == DMA_NONE);
-
-       for (i = 0; i < nents; i++, sg++ ) {
-               BUG_ON(!sg_page(sg));
-
-               sg->dma_address = sg_phys(sg);
-               consistent_sync(sg_virt(sg), sg->length, direction);
-       }
-
-       return nents;
-}
-
-static inline dma_addr_t
-dma_map_page(struct device *dev, struct page *page, unsigned long offset,
-            size_t size, enum dma_data_direction direction)
-{
-       BUG_ON(direction == DMA_NONE);
-       return (dma_addr_t)(page_to_pfn(page)) * PAGE_SIZE + offset;
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
-              enum dma_data_direction direction)
-{
-       BUG_ON(direction == DMA_NONE);
-}
-
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
-            enum dma_data_direction direction)
-{
-       BUG_ON(direction == DMA_NONE);
-}
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
-               enum dma_data_direction direction)
-{
-       consistent_sync((void *)bus_to_virt(dma_handle), size, direction);
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
-               enum dma_data_direction direction)
-{
-       consistent_sync((void *)bus_to_virt(dma_handle), size, direction);
-}
-
-static inline 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)
-{
-
-       consistent_sync((void *)bus_to_virt(dma_handle)+offset,size,direction);
-}
-
-static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
-                     unsigned long offset, size_t size,
-                     enum dma_data_direction direction)
-{
-
-       consistent_sync((void *)bus_to_virt(dma_handle)+offset,size,direction);
-}
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
-                enum dma_data_direction dir)
-{
-       int i;
-       for (i = 0; i < nelems; i++, sg++)
-               consistent_sync(sg_virt(sg), sg->length, dir);
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
-                enum dma_data_direction dir)
-{
-       int i;
-       for (i = 0; i < nelems; i++, sg++)
-               consistent_sync(sg_virt(sg), sg->length, dir);
-}
-static inline int
-dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-       return 0;
-}
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
-       return 1;
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 mask)
-{
-       if(!dev->dma_mask || !dma_supported(dev, mask))
-               return -EIO;
-
-       *dev->dma_mask = mask;
-
-       return 0;
-}
-
-static inline int
-dma_get_cache_alignment(void)
-{
-       return L1_CACHE_BYTES;
-}
-
-#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 direction)
-{
-       consistent_sync(vaddr, size, direction);
-}
-
-#endif /* _XTENSA_DMA_MAPPING_H */