pci.h 1.4 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-generic/pci-bridge.h>
  6. #include <asm/mach/pci.h> /* for pci_sys_data */
  7. extern unsigned long pcibios_min_io;
  8. #define PCIBIOS_MIN_IO pcibios_min_io
  9. extern unsigned long pcibios_min_mem;
  10. #define PCIBIOS_MIN_MEM pcibios_min_mem
  11. static inline int pcibios_assign_all_busses(void)
  12. {
  13. return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
  14. }
  15. #ifdef CONFIG_PCI_DOMAINS
  16. static inline int pci_domain_nr(struct pci_bus *bus)
  17. {
  18. struct pci_sys_data *root = bus->sysdata;
  19. return root->domain;
  20. }
  21. static inline int pci_proc_domain(struct pci_bus *bus)
  22. {
  23. return pci_domain_nr(bus);
  24. }
  25. #endif /* CONFIG_PCI_DOMAINS */
  26. /*
  27. * The PCI address space does equal the physical memory address space.
  28. * The networking and block device layers use this boolean for bounce
  29. * buffer decisions.
  30. */
  31. #define PCI_DMA_BUS_IS_PHYS (1)
  32. #ifdef CONFIG_PCI
  33. static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  34. enum pci_dma_burst_strategy *strat,
  35. unsigned long *strategy_parameter)
  36. {
  37. *strat = PCI_DMA_BURST_INFINITY;
  38. *strategy_parameter = ~0UL;
  39. }
  40. #endif
  41. #define HAVE_PCI_MMAP
  42. extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  43. enum pci_mmap_state mmap_state, int write_combine);
  44. static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  45. {
  46. return channel ? 15 : 14;
  47. }
  48. #endif /* __KERNEL__ */
  49. #endif