include/asm-arm/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
   7 #include <asm/hardware.h> /* for PCIBIOS_MIN_* */
   8
   9 #define pcibios_scan_all_fns(a, b)      0
  10
  11 static inline void pcibios_set_master(struct pci_dev *dev)
  12 {
  13         /* No special bus mastering setup handling */
  14 }
  15
  16 static inline void pcibios_penalize_isa_irq(int irq, int active)
  17 {
  18         /* We don't do dynamic PCI IRQ allocation */
  19 }
  20
  21 /*
  22  * The PCI address space does equal the physical memory address space.
  23  * The networking and block device layers use this boolean for bounce
  24  * buffer decisions.
  25  */
  26 #define PCI_DMA_BUS_IS_PHYS     (0)
  27
  28 /*
  29  * We don't support DAC DMA cycles.
  30  */
  31 #define pci_dac_dma_supported(pci_dev, mask)    (0)
  32
  33 /*
  34  * Whether pci_unmap_{single,page} is a nop depends upon the
  35  * configuration.
  36  */
  37 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       dma_addr_t ADDR_NAME;
  38 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         __u32 LEN_NAME;
  39 #define pci_unmap_addr(PTR, ADDR_NAME)          ((PTR)->ADDR_NAME)
  40 #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
  41 #define pci_unmap_len(PTR, LEN_NAME)            ((PTR)->LEN_NAME)
  42 #define pci_unmap_len_set(PTR, LEN_NAME, VAL)   (((PTR)->LEN_NAME) = (VAL))
  43
  44 #ifdef CONFIG_PCI
  45 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  46                                         enum pci_dma_burst_strategy *strat,
  47                                         unsigned long *strategy_parameter)
  48 {
  49         *strat = PCI_DMA_BURST_INFINITY;
  50         *strategy_parameter = ~0UL;
  51 }
  52 #endif
  53
  54 #define HAVE_PCI_MMAP
  55 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  56                                enum pci_mmap_state mmap_state, int write_combine);
  57
  58 extern void
  59 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
  60                          struct resource *res);
  61
  62 extern void
  63 pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
  64                         struct pci_bus_region *region);
  65
  66 static inline struct resource *
  67 pcibios_select_root(struct pci_dev *pdev, struct resource *res)
  68 {
  69         struct resource *root = NULL;
  70
  71         if (res->flags & IORESOURCE_IO)
  72                 root = &ioport_resource;
  73         if (res->flags & IORESOURCE_MEM)
  74                 root = &iomem_resource;
  75
  76         return root;
  77 }
  78
  79 static inline void pcibios_add_platform_entries(struct pci_dev *dev)
  80 {
  81 }
  82
  83 #endif /* __KERNEL__ */
  84
  85 #endif