pci.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:2k
- #ifndef ASMARM_PCI_H
- #define ASMARM_PCI_H
- #ifdef __KERNEL__
- #include <linux/config.h>
- #include <asm-generic/pci-dma-compat.h>
- #include <asm/hardware.h> /* for PCIBIOS_MIN_* */
- #define pcibios_scan_all_fns(a, b) 0
- static inline void pcibios_set_master(struct pci_dev *dev)
- {
- /* No special bus mastering setup handling */
- }
- static inline void pcibios_penalize_isa_irq(int irq, int active)
- {
- /* We don't do dynamic PCI IRQ allocation */
- }
- /*
- * The PCI address space does equal the physical memory address space.
- * The networking and block device layers use this boolean for bounce
- * buffer decisions.
- */
- #define PCI_DMA_BUS_IS_PHYS (0)
- /*
- * We don't support DAC DMA cycles.
- */
- #define pci_dac_dma_supported(pci_dev, mask) (0)
- /*
- * Whether pci_unmap_{single,page} is a nop depends upon the
- * configuration.
- */
- #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
- #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
- #define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
- #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
- #define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
- #define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
- #ifdef CONFIG_PCI
- static inline void pci_dma_burst_advice(struct pci_dev *pdev,
- enum pci_dma_burst_strategy *strat,
- unsigned long *strategy_parameter)
- {
- *strat = PCI_DMA_BURST_INFINITY;
- *strategy_parameter = ~0UL;
- }
- #endif
- #define HAVE_PCI_MMAP
- extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine);
- extern void
- pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
- struct resource *res);
- extern void
- pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
- struct pci_bus_region *region);
- static inline struct resource *
- pcibios_select_root(struct pci_dev *pdev, struct resource *res)
- {
- struct resource *root = NULL;
- if (res->flags & IORESOURCE_IO)
- root = &ioport_resource;
- if (res->flags & IORESOURCE_MEM)
- root = &iomem_resource;
- return root;
- }
- static inline void pcibios_add_platform_entries(struct pci_dev *dev)
- {
- }
- #endif /* __KERNEL__ */
-
- #endif