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