mirror of https://gitee.com/openkylin/linux.git
remove unused include/asm-generic/dma-mapping.h
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
FUJITA Tomonori
Linus Torvalds
parent
c2d7543851
commit
fcd5e16286
|
|
@ -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
|
||||
|
||||
Loading…
Reference in New Issue