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-generic/pci-dma-compat.h>
   6#include <asm-generic/pci-bridge.h>
   7
   8#include <asm/mach/pci.h> /* for pci_sys_data */
   9
  10extern unsigned long pcibios_min_io;
  11#define PCIBIOS_MIN_IO pcibios_min_io
  12extern unsigned long pcibios_min_mem;
  13#define PCIBIOS_MIN_MEM pcibios_min_mem
  14
  15static inline int pcibios_assign_all_busses(void)
  16{
  17        return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
  18}
  19
  20#ifdef CONFIG_PCI_DOMAINS
  21static inline int pci_domain_nr(struct pci_bus *bus)
  22{
  23        struct pci_sys_data *root = bus->sysdata;
  24
  25        return root->domain;
  26}
  27
  28static inline int pci_proc_domain(struct pci_bus *bus)
  29{
  30        return pci_domain_nr(bus);
  31}
  32#endif /* CONFIG_PCI_DOMAINS */
  33
  34static inline void pcibios_penalize_isa_irq(int irq, int active)
  35{
  36        /* We don't do dynamic PCI IRQ allocation */
  37}
  38
  39/*
  40 * The PCI address space does equal the physical memory address space.
  41 * The networking and block device layers use this boolean for bounce
  42 * buffer decisions.
  43 */
  44#define PCI_DMA_BUS_IS_PHYS     (1)
  45
  46#ifdef CONFIG_PCI
  47static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  48                                        enum pci_dma_burst_strategy *strat,
  49                                        unsigned long *strategy_parameter)
  50{
  51        *strat = PCI_DMA_BURST_INFINITY;
  52        *strategy_parameter = ~0UL;
  53}
  54#endif
  55
  56#define HAVE_PCI_MMAP
  57extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  58                               enum pci_mmap_state mmap_state, int write_combine);
  59
  60/*
  61 * Dummy implementation; always return 0.
  62 */
  63static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  64{
  65        return 0;
  66}
  67
  68#endif /* __KERNEL__ */
  69 
  70#endif
  71