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
  10 extern unsigned long pcibios_min_io;
  11 #define PCIBIOS_MIN_IO pcibios_min_io
  12 extern unsigned long pcibios_min_mem;
  13 #define PCIBIOS_MIN_MEM pcibios_min_mem
  14
  15 static inline int pcibios_assign_all_busses(void)
  16 {
  17         return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
  18 }
  19
  20 #ifdef CONFIG_PCI_DOMAINS
  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 /*
  28  * The PCI address space does equal the physical memory address space.
  29  * The networking and block device layers use this boolean for bounce
  30  * buffer decisions.
  31  */
  32 #define PCI_DMA_BUS_IS_PHYS     (1)
  33
  34 #ifdef CONFIG_PCI
  35 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  36                                         enum pci_dma_burst_strategy *strat,
  37                                         unsigned long *strategy_parameter)
  38 {
  39         *strat = PCI_DMA_BURST_INFINITY;
  40         *strategy_parameter = ~0UL;
  41 }
  42 #endif
  43
  44 #define HAVE_PCI_MMAP
  45 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  46                                enum pci_mmap_state mmap_state, int write_combine);
  47
  48 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  49 {
  50         return channel ? 15 : 14;
  51 }
  52
  53 #endif /* __KERNEL__ */
  54
  55 #endif