pci.h 2.0 KB

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  1. #ifndef ASMARM_PCI_H
  2. #define ASMARM_PCI_H
  3. #ifdef __KERNEL__
  4. #include <asm-generic/pci-dma-compat.h>
  5. #include <asm/hardware.h> /* for PCIBIOS_MIN_* */
  6. #define pcibios_scan_all_fns(a, b) 0
  7. static inline void pcibios_set_master(struct pci_dev *dev)
  8. {
  9. /* No special bus mastering setup handling */
  10. }
  11. static inline void pcibios_penalize_isa_irq(int irq, int active)
  12. {
  13. /* We don't do dynamic PCI IRQ allocation */
  14. }
  15. /*
  16. * The PCI address space does equal the physical memory address space.
  17. * The networking and block device layers use this boolean for bounce
  18. * buffer decisions.
  19. */
  20. #define PCI_DMA_BUS_IS_PHYS (0)
  21. /*
  22. * Whether pci_unmap_{single,page} is a nop depends upon the
  23. * configuration.
  24. */
  25. #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
  26. #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
  27. #define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
  28. #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
  29. #define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
  30. #define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
  31. #ifdef CONFIG_PCI
  32. static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  33. enum pci_dma_burst_strategy *strat,
  34. unsigned long *strategy_parameter)
  35. {
  36. *strat = PCI_DMA_BURST_INFINITY;
  37. *strategy_parameter = ~0UL;
  38. }
  39. #endif
  40. #define HAVE_PCI_MMAP
  41. extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  42. enum pci_mmap_state mmap_state, int write_combine);
  43. extern void
  44. pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
  45. struct resource *res);
  46. extern void
  47. pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
  48. struct pci_bus_region *region);
  49. static inline struct resource *
  50. pcibios_select_root(struct pci_dev *pdev, struct resource *res)
  51. {
  52. struct resource *root = NULL;
  53. if (res->flags & IORESOURCE_IO)
  54. root = &ioport_resource;
  55. if (res->flags & IORESOURCE_MEM)
  56. root = &iomem_resource;
  57. return root;
  58. }
  59. #endif /* __KERNEL__ */
  60. #endif