pci.h 2.1 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 <mach/hardware.h> /* for PCIBIOS_MIN_* */
  6. #define pcibios_scan_all_fns(a, b) 0
  7. #ifdef CONFIG_PCI_HOST_ITE8152
  8. /* ITE bridge requires setting latency timer to avoid early bus access
  9. termination by PIC bus mater devices
  10. */
  11. extern void pcibios_set_master(struct pci_dev *dev);
  12. #else
  13. static inline void pcibios_set_master(struct pci_dev *dev)
  14. {
  15. /* No special bus mastering setup handling */
  16. }
  17. #endif
  18. static inline void pcibios_penalize_isa_irq(int irq, int active)
  19. {
  20. /* We don't do dynamic PCI IRQ allocation */
  21. }
  22. /*
  23. * The PCI address space does equal the physical memory address space.
  24. * The networking and block device layers use this boolean for bounce
  25. * buffer decisions.
  26. */
  27. #define PCI_DMA_BUS_IS_PHYS (1)
  28. /*
  29. * Whether pci_unmap_{single,page} is a nop depends upon the
  30. * configuration.
  31. */
  32. #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
  33. #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
  34. #define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
  35. #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
  36. #define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
  37. #define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
  38. #ifdef CONFIG_PCI
  39. static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  40. enum pci_dma_burst_strategy *strat,
  41. unsigned long *strategy_parameter)
  42. {
  43. *strat = PCI_DMA_BURST_INFINITY;
  44. *strategy_parameter = ~0UL;
  45. }
  46. #endif
  47. #define HAVE_PCI_MMAP
  48. extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  49. enum pci_mmap_state mmap_state, int write_combine);
  50. extern void
  51. pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
  52. struct resource *res);
  53. extern void
  54. pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
  55. struct pci_bus_region *region);
  56. /*
  57. * Dummy implementation; always return 0.
  58. */
  59. static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  60. {
  61. return 0;
  62. }
  63. #endif /* __KERNEL__ */
  64. #endif