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-rw-r--r--include/asm-generic/dma-mapping.h308
1 files changed, 0 insertions, 308 deletions
diff --git a/include/asm-generic/dma-mapping.h b/include/asm-generic/dma-mapping.h
deleted file mode 100644
index 189486c3f92e..000000000000
--- a/include/asm-generic/dma-mapping.h
+++ /dev/null
@@ -1,308 +0,0 @@
-/* Copyright (C) 2002 by James.Bottomley@HansenPartnership.com
- *
- * Implements the generic device dma API via the existing pci_ one
- * for unconverted architectures
- */
-
-#ifndef _ASM_GENERIC_DMA_MAPPING_H
-#define _ASM_GENERIC_DMA_MAPPING_H
-
-
-#ifdef CONFIG_PCI
-
-/* we implement the API below in terms of the existing PCI one,
- * so include it */
-#include <linux/pci.h>
-/* need struct page definitions */
-#include <linux/mm.h>
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_dma_supported(to_pci_dev(dev), mask);
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 dma_mask)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
-}
-
-static inline void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t flag)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_alloc_consistent(to_pci_dev(dev), size, dma_handle);
-}
-
-static inline void
-dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
- dma_addr_t dma_handle)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
-}
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *cpu_addr, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
-}
-
-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(dev->bus != &pci_bus_type);
-
- return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
-}
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
-}
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
- size, (int)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)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
- size, (int)direction);
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
-}
-
-static inline int
-dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return pci_dma_mapping_error(to_pci_dev(dev), dma_addr);
-}
-
-
-#else
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
- return 0;
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 dma_mask)
-{
- BUG();
- return 0;
-}
-
-static inline void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t flag)
-{
- BUG();
- return NULL;
-}
-
-static inline void
-dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
- dma_addr_t dma_handle)
-{
- BUG();
-}
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *cpu_addr, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
- return 0;
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-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();
- return 0;
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
-{
- BUG();
- return 0;
-}
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline int
-dma_error(dma_addr_t dma_addr)
-{
- return 0;
-}
-
-#endif
-
-/* Now for the API extensions over the pci_ one */
-
-#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 int
-dma_get_cache_alignment(void)
-{
- /* no easy way to get cache size on all processors, so return
- * the maximum possible, to be safe */
- return (1 << INTERNODE_CACHE_SHIFT);
-}
-
-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)
-{
- /* just sync everything, that's all the pci API can do */
- dma_sync_single_for_cpu(dev, 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)
-{
- /* just sync everything, that's all the pci API can do */
- dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
-}
-
-static inline void
-dma_cache_sync(struct device *dev, void *vaddr, size_t size,
- enum dma_data_direction direction)
-{
- /* could define this in terms of the dma_cache ... operations,
- * but if you get this on a platform, you should convert the platform
- * to using the generic device DMA API */
- BUG();
-}
-
-#endif
-
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