WebSVN – Kolibri OS – Blame – /drivers/include/asm-generic/pci-dma-compat.h

Rev	Author	Line No.	Line
6102	serge	1	/* include this file if the platform implements the dma_ DMA Mapping API
		2	* and wants to provide the pci_ DMA Mapping API in terms of it */
		3
		4	#ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H
		5	#define _ASM_GENERIC_PCI_DMA_COMPAT_H
		6
		7	#include
		8
		9	static inline void *
		10	pci_zalloc_consistent(struct pci_dev *hwdev, size_t size,
		11	dma_addr_t *dma_handle)
		12	{
		13	return dma_zalloc_coherent(hwdev == NULL ? NULL : &hwdev->dev,
		14	size, dma_handle, GFP_ATOMIC);
		15	}
		16
		17	static inline dma_addr_t
		18	pci_map_single(struct pci_dev hwdev, void ptr, size_t size, int direction)
		19	{
		20	return dma_map_single(hwdev == NULL ? NULL : &hwdev->dev, ptr, size, (enum dma_data_direction)direction);
		21	}
		22
		23	static inline void
		24	pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
		25	size_t size, int direction)
		26	{
		27	dma_unmap_single(hwdev == NULL ? NULL : &hwdev->dev, dma_addr, size, (enum dma_data_direction)direction);
		28	}
		29
		30	static inline dma_addr_t
		31	pci_map_page(struct pci_dev hwdev, struct page page,
		32	unsigned long offset, size_t size, int direction)
		33	{
		34	return (dma_addr_t)( (offset)+page_to_phys(page));
		35	}
		36
		37	static inline void
		38	pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
		39	size_t size, int direction)
		40	{
		41
		42	}
		43	#define pci_map_page(dev, page, offset, size, direction) \
		44	(dma_addr_t)( (offset)+page_to_phys(page))
		45
		46	#define pci_unmap_page(dev, dma_address, size, direction)
		47
		48	static inline int
		49	pci_map_sg(struct pci_dev hwdev, struct scatterlist sg,
		50	int nents, int direction)
		51	{
		52	return dma_map_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction);
		53	}
		54
		55	static inline void
		56	pci_unmap_sg(struct pci_dev hwdev, struct scatterlist sg,
		57	int nents, int direction)
		58	{
		59	dma_unmap_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction);
		60	}
		61
		62	static inline void
		63	pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle,
		64	size_t size, int direction)
		65	{
		66	dma_sync_single_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
		67	}
		68
		69	static inline void
		70	pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle,
		71	size_t size, int direction)
		72	{
		73	dma_sync_single_for_device(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
		74	}
		75
		76	static inline void
		77	pci_dma_sync_sg_for_cpu(struct pci_dev hwdev, struct scatterlist sg,
		78	int nelems, int direction)
		79	{
		80	dma_sync_sg_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
		81	}
		82
		83	static inline void
		84	pci_dma_sync_sg_for_device(struct pci_dev hwdev, struct scatterlist sg,
		85	int nelems, int direction)
		86	{
		87	dma_sync_sg_for_device(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
		88	}
		89
		90	static inline int
		91	pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr)
		92	{
		93	return dma_mapping_error(&pdev->dev, dma_addr);
		94	}
		95
		96	#ifdef CONFIG_PCI
		97	static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
		98	{
6125	serge	99	return 0;
6102	serge	100	}
		101
		102	static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
		103	{
6125	serge	104	return 0;
6102	serge	105	}
		106	#endif
		107
		108	#endif

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(root)/drivers/include/asm-generic/pci-dma-compat.h – Rev 6125