sparc: remove dma-mapping_{32|64}.h
This modifies SPARC32 to use struct dma_map ops. It means that we can
remove dma-mapping_{32|64}.h.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tested-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
FUJITA Tomonori
David S. Miller
parent
797a756865
commit
d69864158e
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@ -1,34 +1,135 @@
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#ifndef ___ASM_SPARC_DMA_MAPPING_H
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#define ___ASM_SPARC_DMA_MAPPING_H
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#if defined(__sparc__) && defined(__arch64__)
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#include <asm/dma-mapping_64.h>
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#else
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#include <asm/dma-mapping_32.h>
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#endif
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#include <linux/scatterlist.h>
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#include <linux/mm.h>
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#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
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extern int dma_supported(struct device *dev, u64 mask);
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extern int dma_set_mask(struct device *dev, u64 dma_mask);
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static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
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{
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return (dma_addr == DMA_ERROR_CODE);
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}
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static inline int dma_get_cache_alignment(void)
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{
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/*
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* no easy way to get cache size on all processors, so return
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* the maximum possible, to be safe
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*/
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return (1 << INTERNODE_CACHE_SHIFT);
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}
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#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
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#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
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#define dma_is_consistent(d, h) (1)
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struct dma_ops {
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void *(*alloc_coherent)(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag);
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void (*free_coherent)(struct device *dev, size_t size,
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void *cpu_addr, dma_addr_t dma_handle);
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dma_addr_t (*map_page)(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction);
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void (*unmap_page)(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction);
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int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents,
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enum dma_data_direction direction);
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void (*unmap_sg)(struct device *dev, struct scatterlist *sg,
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int nhwentries,
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enum dma_data_direction direction);
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void (*sync_single_for_cpu)(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction);
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void (*sync_single_for_device)(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction);
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void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg,
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int nelems,
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enum dma_data_direction direction);
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void (*sync_sg_for_device)(struct device *dev,
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struct scatterlist *sg, int nents,
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enum dma_data_direction dir);
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};
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extern const struct dma_ops *dma_ops;
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static inline void *dma_alloc_coherent(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag)
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{
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return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
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}
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static inline void dma_free_coherent(struct device *dev, size_t size,
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void *cpu_addr, dma_addr_t dma_handle)
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{
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dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
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}
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static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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return dma_ops->map_page(dev, virt_to_page(cpu_addr),
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(unsigned long)cpu_addr & ~PAGE_MASK, size,
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direction);
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}
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static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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dma_ops->unmap_page(dev, dma_addr, size, direction);
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}
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static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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return dma_ops->map_page(dev, page, offset, size, direction);
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}
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static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size,
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enum dma_data_direction direction)
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{
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dma_ops->unmap_page(dev, dma_address, size, direction);
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}
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static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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{
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return dma_ops->map_sg(dev, sg, nents, direction);
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}
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static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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{
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dma_ops->unmap_sg(dev, sg, nents, direction);
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}
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static inline void dma_sync_single_for_cpu(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction)
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{
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dma_ops->sync_single_for_cpu(dev, dma_handle, size, direction);
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}
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static inline void dma_sync_single_for_device(struct device *dev,
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dma_addr_t dma_handle,
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size_t size,
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enum dma_data_direction direction)
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{
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if (dma_ops->sync_single_for_device)
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dma_ops->sync_single_for_device(dev, dma_handle, size,
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direction);
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}
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static inline void dma_sync_sg_for_cpu(struct device *dev,
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struct scatterlist *sg, int nelems,
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enum dma_data_direction direction)
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{
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dma_ops->sync_sg_for_cpu(dev, sg, nelems, direction);
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}
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static inline void dma_sync_sg_for_device(struct device *dev,
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struct scatterlist *sg, int nelems,
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enum dma_data_direction direction)
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{
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if (dma_ops->sync_sg_for_device)
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dma_ops->sync_sg_for_device(dev, sg, nelems, direction);
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}
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static inline void dma_sync_single_range_for_cpu(struct device *dev,
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dma_addr_t dma_handle,
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unsigned long offset,
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@ -47,4 +148,19 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
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dma_sync_single_for_device(dev, dma_handle+offset, size, dir);
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}
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static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
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{
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return (dma_addr == DMA_ERROR_CODE);
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}
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static inline int dma_get_cache_alignment(void)
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{
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/*
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* no easy way to get cache size on all processors, so return
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* the maximum possible, to be safe
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*/
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return (1 << INTERNODE_CACHE_SHIFT);
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}
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#endif
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@ -1,42 +0,0 @@
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#ifndef _ASM_SPARC_DMA_MAPPING_H
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#define _ASM_SPARC_DMA_MAPPING_H
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#include <linux/types.h>
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struct device;
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struct scatterlist;
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struct page;
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extern void *dma_alloc_coherent(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag);
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extern void dma_free_coherent(struct device *dev, size_t size,
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void *cpu_addr, dma_addr_t dma_handle);
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extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
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size_t size,
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enum dma_data_direction direction);
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extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction);
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extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction);
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extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size, enum dma_data_direction direction);
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extern int dma_map_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction);
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extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction);
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extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
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size_t size,
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enum dma_data_direction direction);
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extern void dma_sync_single_for_device(struct device *dev,
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dma_addr_t dma_handle,
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size_t size,
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enum dma_data_direction direction);
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extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
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int nelems, enum dma_data_direction direction);
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extern void dma_sync_sg_for_device(struct device *dev,
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struct scatterlist *sg, int nelems,
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enum dma_data_direction direction);
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#endif /* _ASM_SPARC_DMA_MAPPING_H */
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@ -1,121 +0,0 @@
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#ifndef _ASM_SPARC64_DMA_MAPPING_H
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#define _ASM_SPARC64_DMA_MAPPING_H
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#include <linux/scatterlist.h>
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#include <linux/mm.h>
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struct dma_ops {
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void *(*alloc_coherent)(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag);
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void (*free_coherent)(struct device *dev, size_t size,
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void *cpu_addr, dma_addr_t dma_handle);
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dma_addr_t (*map_page)(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction);
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void (*unmap_page)(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction);
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int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents,
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enum dma_data_direction direction);
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void (*unmap_sg)(struct device *dev, struct scatterlist *sg,
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int nhwentries,
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enum dma_data_direction direction);
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void (*sync_single_for_cpu)(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction);
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void (*sync_single_for_device)(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction);
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void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg,
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int nelems,
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enum dma_data_direction direction);
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void (*sync_sg_for_device)(struct device *dev,
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struct scatterlist *sg, int nents,
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enum dma_data_direction dir);
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};
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extern const struct dma_ops *dma_ops;
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static inline void *dma_alloc_coherent(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag)
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{
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return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
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}
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static inline void dma_free_coherent(struct device *dev, size_t size,
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void *cpu_addr, dma_addr_t dma_handle)
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{
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dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
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}
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static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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return dma_ops->map_page(dev, virt_to_page(cpu_addr),
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(unsigned long)cpu_addr & ~PAGE_MASK, size,
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direction);
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}
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static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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dma_ops->unmap_page(dev, dma_addr, size, direction);
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}
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static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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return dma_ops->map_page(dev, page, offset, size, direction);
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}
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static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size,
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enum dma_data_direction direction)
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{
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dma_ops->unmap_page(dev, dma_address, size, direction);
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}
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static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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{
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return dma_ops->map_sg(dev, sg, nents, direction);
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}
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static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
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int nents, enum dma_data_direction direction)
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{
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dma_ops->unmap_sg(dev, sg, nents, direction);
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}
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static inline void dma_sync_single_for_cpu(struct device *dev,
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dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction)
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{
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dma_ops->sync_single_for_cpu(dev, dma_handle, size, direction);
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}
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static inline void dma_sync_single_for_device(struct device *dev,
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dma_addr_t dma_handle,
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size_t size,
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enum dma_data_direction direction)
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{
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/* No flushing needed to sync cpu writes to the device. */
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}
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static inline void dma_sync_sg_for_cpu(struct device *dev,
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struct scatterlist *sg, int nelems,
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enum dma_data_direction direction)
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{
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dma_ops->sync_sg_for_cpu(dev, sg, nelems, direction);
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}
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static inline void dma_sync_sg_for_device(struct device *dev,
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struct scatterlist *sg, int nelems,
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enum dma_data_direction direction)
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{
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/* No flushing needed to sync cpu writes to the device. */
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}
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#endif /* _ASM_SPARC64_DMA_MAPPING_H */
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@ -35,8 +35,8 @@ int dma_set_mask(struct device *dev, u64 dma_mask)
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}
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EXPORT_SYMBOL(dma_set_mask);
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void *dma_alloc_coherent(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag)
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static void *dma32_alloc_coherent(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t flag)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type)
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@ -44,10 +44,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
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#endif
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return sbus_alloc_consistent(dev, size, dma_handle);
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}
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EXPORT_SYMBOL(dma_alloc_coherent);
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void dma_free_coherent(struct device *dev, size_t size,
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void *cpu_addr, dma_addr_t dma_handle)
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static void dma32_free_coherent(struct device *dev, size_t size,
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void *cpu_addr, dma_addr_t dma_handle)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type) {
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@ -58,38 +57,10 @@ void dma_free_coherent(struct device *dev, size_t size,
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#endif
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sbus_free_consistent(dev, size, cpu_addr, dma_handle);
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}
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EXPORT_SYMBOL(dma_free_coherent);
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dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
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size_t size, enum dma_data_direction direction)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type)
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return pci_map_single(to_pci_dev(dev), cpu_addr,
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size, (int)direction);
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#endif
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return sbus_map_single(dev, cpu_addr, size, (int)direction);
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}
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EXPORT_SYMBOL(dma_map_single);
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void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
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size_t size,
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enum dma_data_direction direction)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type) {
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pci_unmap_single(to_pci_dev(dev), dma_addr,
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size, (int)direction);
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return;
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}
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#endif
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sbus_unmap_single(dev, dma_addr, size, (int)direction);
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}
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EXPORT_SYMBOL(dma_unmap_single);
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dma_addr_t dma_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction)
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static dma_addr_t dma32_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction direction)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type)
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@ -99,10 +70,9 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page,
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return sbus_map_single(dev, page_address(page) + offset,
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size, (int)direction);
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}
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EXPORT_SYMBOL(dma_map_page);
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void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size, enum dma_data_direction direction)
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static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address,
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size_t size, enum dma_data_direction direction)
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{
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#ifdef CONFIG_PCI
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if (dev->bus == &pci_bus_type) {
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|
|
@ -113,10 +83,9 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
|
|||
#endif
|
||||
sbus_unmap_single(dev, dma_address, size, (int)direction);
|
||||
}
|
||||
EXPORT_SYMBOL(dma_unmap_page);
|
||||
|
||||
int dma_map_sg(struct device *dev, struct scatterlist *sg,
|
||||
int nents, enum dma_data_direction direction)
|
||||
static int dma32_map_sg(struct device *dev, struct scatterlist *sg,
|
||||
int nents, enum dma_data_direction direction)
|
||||
{
|
||||
#ifdef CONFIG_PCI
|
||||
if (dev->bus == &pci_bus_type)
|
||||
|
|
@ -124,10 +93,9 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg,
|
|||
#endif
|
||||
return sbus_map_sg(dev, sg, nents, direction);
|
||||
}
|
||||
EXPORT_SYMBOL(dma_map_sg);
|
||||
|
||||
void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
|
||||
int nents, enum dma_data_direction direction)
|
||||
void dma32_unmap_sg(struct device *dev, struct scatterlist *sg,
|
||||
int nents, enum dma_data_direction direction)
|
||||
{
|
||||
#ifdef CONFIG_PCI
|
||||
if (dev->bus == &pci_bus_type) {
|
||||
|
|
@ -137,10 +105,10 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
|
|||
#endif
|
||||
sbus_unmap_sg(dev, sg, nents, (int)direction);
|
||||
}
|
||||
EXPORT_SYMBOL(dma_unmap_sg);
|
||||
|
||||
void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
|
||||
size_t size, enum dma_data_direction direction)
|
||||
static void dma32_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
|
||||
size_t size,
|
||||
enum dma_data_direction direction)
|
||||
{
|
||||
#ifdef CONFIG_PCI
|
||||
if (dev->bus == &pci_bus_type) {
|
||||
|
|
@ -151,10 +119,10 @@ void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
|
|||
#endif
|
||||
sbus_dma_sync_single_for_cpu(dev, dma_handle, size, (int) direction);
|
||||
}
|
||||
EXPORT_SYMBOL(dma_sync_single_for_cpu);
|
||||
|
||||
void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
|
||||
size_t size, enum dma_data_direction direction)
|
||||
static void dma32_sync_single_for_device(struct device *dev,
|
||||
dma_addr_t dma_handle, size_t size,
|
||||
enum dma_data_direction direction)
|
||||
{
|
||||
#ifdef CONFIG_PCI
|
||||
if (dev->bus == &pci_bus_type) {
|
||||
|
|
@ -165,10 +133,9 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
|
|||
#endif
|
||||
sbus_dma_sync_single_for_device(dev, dma_handle, size, (int) direction);
|
||||
}
|
||||
EXPORT_SYMBOL(dma_sync_single_for_device);
|
||||
|
||||
void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
|
||||
int nelems, enum dma_data_direction direction)
|
||||
static void dma32_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
|
||||
int nelems, enum dma_data_direction direction)
|
||||
{
|
||||
#ifdef CONFIG_PCI
|
||||
if (dev->bus == &pci_bus_type) {
|
||||
|
|
@ -179,11 +146,10 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
|
|||
#endif
|
||||
BUG();
|
||||
}
|
||||
EXPORT_SYMBOL(dma_sync_sg_for_cpu);
|
||||
|
||||
void dma_sync_sg_for_device(struct device *dev,
|
||||
struct scatterlist *sg, int nelems,
|
||||
enum dma_data_direction direction)
|
||||
static void dma32_sync_sg_for_device(struct device *dev,
|
||||
struct scatterlist *sg, int nelems,
|
||||
enum dma_data_direction direction)
|
||||
{
|
||||
#ifdef CONFIG_PCI
|
||||
if (dev->bus == &pci_bus_type) {
|
||||
|
|
@ -194,4 +160,19 @@ void dma_sync_sg_for_device(struct device *dev,
|
|||
#endif
|
||||
BUG();
|
||||
}
|
||||
EXPORT_SYMBOL(dma_sync_sg_for_device);
|
||||
|
||||
static const struct dma_ops dma32_dma_ops = {
|
||||
.alloc_coherent = dma32_alloc_coherent,
|
||||
.free_coherent = dma32_free_coherent,
|
||||
.map_page = dma32_map_page,
|
||||
.unmap_page = dma32_unmap_page,
|
||||
.map_sg = dma32_map_sg,
|
||||
.unmap_sg = dma32_unmap_sg,
|
||||
.sync_single_for_cpu = dma32_sync_single_for_cpu,
|
||||
.sync_single_for_device = dma32_sync_single_for_device,
|
||||
.sync_sg_for_cpu = dma32_sync_sg_for_cpu,
|
||||
.sync_sg_for_device = dma32_sync_sg_for_device,
|
||||
};
|
||||
|
||||
const struct dma_ops *dma_ops = &dma32_dma_ops;
|
||||
EXPORT_SYMBOL(dma_ops);
|
||||
|
|
|
|||
Loading…
Reference in New Issue