pci.h 2.2 KB

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  1. #ifndef ASMARM_PCI_H
  2. #define ASMARM_PCI_H
  3. #ifdef __KERNEL__
  4. #include <linux/config.h>
  5. #include <asm-generic/pci-dma-compat.h>
  6. #include <asm/hardware.h> /* for PCIBIOS_MIN_* */
  7. #define pcibios_scan_all_fns(a, b) 0
  8. static inline void pcibios_set_master(struct pci_dev *dev)
  9. {
  10. /* No special bus mastering setup handling */
  11. }
  12. static inline void pcibios_penalize_isa_irq(int irq, int active)
  13. {
  14. /* We don't do dynamic PCI IRQ allocation */
  15. }
  16. /*
  17. * The PCI address space does equal the physical memory address space.
  18. * The networking and block device layers use this boolean for bounce
  19. * buffer decisions.
  20. */
  21. #define PCI_DMA_BUS_IS_PHYS (0)
  22. /*
  23. * We don't support DAC DMA cycles.
  24. */
  25. #define pci_dac_dma_supported(pci_dev, mask) (0)
  26. /*
  27. * Whether pci_unmap_{single,page} is a nop depends upon the
  28. * configuration.
  29. */
  30. #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
  31. #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
  32. #define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
  33. #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
  34. #define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
  35. #define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
  36. #ifdef CONFIG_PCI
  37. static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  38. enum pci_dma_burst_strategy *strat,
  39. unsigned long *strategy_parameter)
  40. {
  41. *strat = PCI_DMA_BURST_INFINITY;
  42. *strategy_parameter = ~0UL;
  43. }
  44. #endif
  45. #define HAVE_PCI_MMAP
  46. extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  47. enum pci_mmap_state mmap_state, int write_combine);
  48. extern void
  49. pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
  50. struct resource *res);
  51. extern void
  52. pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
  53. struct pci_bus_region *region);
  54. static inline struct resource *
  55. pcibios_select_root(struct pci_dev *pdev, struct resource *res)
  56. {
  57. struct resource *root = NULL;
  58. if (res->flags & IORESOURCE_IO)
  59. root = &ioport_resource;
  60. if (res->flags & IORESOURCE_MEM)
  61. root = &iomem_resource;
  62. return root;
  63. }
  64. static inline void pcibios_add_platform_entries(struct pci_dev *dev)
  65. {
  66. }
  67. #endif /* __KERNEL__ */
  68. #endif