pci.h 2.2 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. * We don't support DAC DMA cycles.
  23. */
  24. #define pci_dac_dma_supported(pci_dev, mask) (0)
  25. /*
  26. * Whether pci_unmap_{single,page} is a nop depends upon the
  27. * configuration.
  28. */
  29. #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
  30. #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
  31. #define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
  32. #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
  33. #define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
  34. #define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
  35. #ifdef CONFIG_PCI
  36. static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  37. enum pci_dma_burst_strategy *strat,
  38. unsigned long *strategy_parameter)
  39. {
  40. *strat = PCI_DMA_BURST_INFINITY;
  41. *strategy_parameter = ~0UL;
  42. }
  43. #endif
  44. #define HAVE_PCI_MMAP
  45. extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  46. enum pci_mmap_state mmap_state, int write_combine);
  47. extern void
  48. pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
  49. struct resource *res);
  50. extern void
  51. pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
  52. struct pci_bus_region *region);
  53. static inline struct resource *
  54. pcibios_select_root(struct pci_dev *pdev, struct resource *res)
  55. {
  56. struct resource *root = NULL;
  57. if (res->flags & IORESOURCE_IO)
  58. root = &ioport_resource;
  59. if (res->flags & IORESOURCE_MEM)
  60. root = &iomem_resource;
  61. return root;
  62. }
  63. static inline void pcibios_add_platform_entries(struct pci_dev *dev)
  64. {
  65. }
  66. #endif /* __KERNEL__ */
  67. #endif