LXR linux/arch/arm/include/asm/pci.h

   1#ifndef ASMARM_PCI_H
   2#define ASMARM_PCI_H
   3
   4#ifdef __KERNEL__
   5#include <asm/mach/pci.h> /* for pci_sys_data */
   6
   7extern unsigned long pcibios_min_io;
   8#define PCIBIOS_MIN_IO pcibios_min_io
   9extern unsigned long pcibios_min_mem;
  10#define PCIBIOS_MIN_MEM pcibios_min_mem
  11
  12static inline int pcibios_assign_all_busses(void)
  13{
  14        return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
  15}
  16
  17#ifdef CONFIG_PCI_DOMAINS
  18static inline int pci_domain_nr(struct pci_bus *bus)
  19{
  20        struct pci_sys_data *root = bus->sysdata;
  21
  22        return root->domain;
  23}
  24
  25static inline int pci_proc_domain(struct pci_bus *bus)
  26{
  27        return pci_domain_nr(bus);
  28}
  29#endif /* CONFIG_PCI_DOMAINS */
  30
  31/*
  32 * The PCI address space does equal the physical memory address space.
  33 * The networking and block device layers use this boolean for bounce
  34 * buffer decisions.
  35 */
  36#define PCI_DMA_BUS_IS_PHYS     (1)
  37
  38#ifdef CONFIG_PCI
  39static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  40                                        enum pci_dma_burst_strategy *strat,
  41                                        unsigned long *strategy_parameter)
  42{
  43        *strat = PCI_DMA_BURST_INFINITY;
  44        *strategy_parameter = ~0UL;
  45}
  46#endif
  47
  48#define HAVE_PCI_MMAP
  49extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  50                               enum pci_mmap_state mmap_state, int write_combine);
  51
  52/*
  53 * Dummy implementation; always return 0.
  54 */
  55static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  56{
  57        return 0;
  58}
  59
  60#endif /* __KERNEL__ */
  61#endif
  62