include/asm-arm/pci.h

   1 #ifndef ASMARM_PCI_H
   2 #define ASMARM_PCI_H
   3
   4 #ifdef __KERNEL__
   5 #include <linux/config.h>
   6 #include <asm-generic/pci-dma-compat.h>
   7
   8 #include <asm/hardware.h> /* for PCIBIOS_MIN_* */
   9
  10 #define pcibios_scan_all_fns(a, b)      0
  11
  12 static inline void pcibios_set_master(struct pci_dev *dev)
  13 {
  14         /* No special bus mastering setup handling */
  15 }
  16
  17 static inline void pcibios_penalize_isa_irq(int irq)
  18 {
  19         /* We don't do dynamic PCI IRQ allocation */
  20 }
  21
  22 /*
  23  * The PCI address space does equal the physical memory address space.
  24  * The networking and block device layers use this boolean for bounce
  25  * buffer decisions.
  26  */
  27 #define PCI_DMA_BUS_IS_PHYS     (0)
  28
  29 /*
  30  * We don't support DAC DMA cycles.
  31  */
  32 #define pci_dac_dma_supported(pci_dev, mask)    (0)
  33
  34 /*
  35  * Whether pci_unmap_{single,page} is a nop depends upon the
  36  * configuration.
  37  */
  38 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       dma_addr_t ADDR_NAME;
  39 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         __u32 LEN_NAME;
  40 #define pci_unmap_addr(PTR, ADDR_NAME)          ((PTR)->ADDR_NAME)
  41 #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
  42 #define pci_unmap_len(PTR, LEN_NAME)            ((PTR)->LEN_NAME)
  43 #define pci_unmap_len_set(PTR, LEN_NAME, VAL)   (((PTR)->LEN_NAME) = (VAL))
  44
  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
  49 extern void
  50 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
  51                          struct resource *res);
  52
  53 static inline void pcibios_add_platform_entries(struct pci_dev *dev)
  54 {
  55 }
  56
  57 #endif /* __KERNEL__ */
  58
  59 #endif