pci.h 2.2 KB

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  1. #ifndef __i386_PCI_H
  2. #define __i386_PCI_H
  3. #ifdef __KERNEL__
  4. #include <linux/mm.h> /* for struct page */
  5. /* Can be used to override the logic in pci_scan_bus for skipping
  6. already-configured bus numbers - to be used for buggy BIOSes
  7. or architectures with incomplete PCI setup by the loader */
  8. #ifdef CONFIG_PCI
  9. extern unsigned int pcibios_assign_all_busses(void);
  10. #else
  11. #define pcibios_assign_all_busses() 0
  12. #endif
  13. #define pcibios_scan_all_fns(a, b) 0
  14. extern unsigned long pci_mem_start;
  15. #define PCIBIOS_MIN_IO 0x1000
  16. #define PCIBIOS_MIN_MEM (pci_mem_start)
  17. #define PCIBIOS_MIN_CARDBUS_IO 0x4000
  18. void pcibios_config_init(void);
  19. struct pci_bus * pcibios_scan_root(int bus);
  20. void pcibios_set_master(struct pci_dev *dev);
  21. void pcibios_penalize_isa_irq(int irq, int active);
  22. struct irq_routing_table *pcibios_get_irq_routing_table(void);
  23. int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
  24. /* Dynamic DMA mapping stuff.
  25. * i386 has everything mapped statically.
  26. */
  27. #include <linux/types.h>
  28. #include <linux/slab.h>
  29. #include <asm/scatterlist.h>
  30. #include <linux/string.h>
  31. #include <asm/io.h>
  32. struct pci_dev;
  33. /* The PCI address space does equal the physical memory
  34. * address space. The networking and block device layers use
  35. * this boolean for bounce buffer decisions.
  36. */
  37. #define PCI_DMA_BUS_IS_PHYS (1)
  38. /* pci_unmap_{page,single} is a nop so... */
  39. #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
  40. #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
  41. #define pci_unmap_addr(PTR, ADDR_NAME) (0)
  42. #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
  43. #define pci_unmap_len(PTR, LEN_NAME) (0)
  44. #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
  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. #ifdef CONFIG_PCI
  49. static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  50. enum pci_dma_burst_strategy *strat,
  51. unsigned long *strategy_parameter)
  52. {
  53. *strat = PCI_DMA_BURST_INFINITY;
  54. *strategy_parameter = ~0UL;
  55. }
  56. #endif
  57. #endif /* __KERNEL__ */
  58. /* implement the pci_ DMA API in terms of the generic device dma_ one */
  59. #include <asm-generic/pci-dma-compat.h>
  60. /* generic pci stuff */
  61. #include <asm-generic/pci.h>
  62. #endif /* __i386_PCI_H */