include/asm-i386/pci.h

   1 #ifndef __i386_PCI_H
   2 #define __i386_PCI_H
   3
   4
   5 #ifdef __KERNEL__
   6
   7 struct pci_sysdata {
   8         int             node;           /* NUMA node */
   9 };
  10
  11 /* scan a bus after allocating a pci_sysdata for it */
  12 extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
  13
  14 #include <linux/mm.h>           /* for struct page */
  15
  16 /* Can be used to override the logic in pci_scan_bus for skipping
  17    already-configured bus numbers - to be used for buggy BIOSes
  18    or architectures with incomplete PCI setup by the loader */
  19
  20 #ifdef CONFIG_PCI
  21 extern unsigned int pcibios_assign_all_busses(void);
  22 #else
  23 #define pcibios_assign_all_busses()     0
  24 #endif
  25 #define pcibios_scan_all_fns(a, b)      0
  26
  27 extern unsigned long pci_mem_start;
  28 #define PCIBIOS_MIN_IO          0x1000
  29 #define PCIBIOS_MIN_MEM         (pci_mem_start)
  30
  31 #define PCIBIOS_MIN_CARDBUS_IO  0x4000
  32
  33 void pcibios_config_init(void);
  34 struct pci_bus * pcibios_scan_root(int bus);
  35
  36 void pcibios_set_master(struct pci_dev *dev);
  37 void pcibios_penalize_isa_irq(int irq, int active);
  38 struct irq_routing_table *pcibios_get_irq_routing_table(void);
  39 int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
  40
  41 /* Dynamic DMA mapping stuff.
  42  * i386 has everything mapped statically.
  43  */
  44
  45 #include <linux/types.h>
  46 #include <linux/slab.h>
  47 #include <asm/scatterlist.h>
  48 #include <linux/string.h>
  49 #include <asm/io.h>
  50
  51 struct pci_dev;
  52
  53 /* The PCI address space does equal the physical memory
  54  * address space.  The networking and block device layers use
  55  * this boolean for bounce buffer decisions.
  56  */
  57 #define PCI_DMA_BUS_IS_PHYS     (1)
  58
  59 /* pci_unmap_{page,single} is a nop so... */
  60 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
  61 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
  62 #define pci_unmap_addr(PTR, ADDR_NAME)          (0)
  63 #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
  64 #define pci_unmap_len(PTR, LEN_NAME)            (0)
  65 #define pci_unmap_len_set(PTR, LEN_NAME, VAL)   do { } while (0)
  66
  67 #define HAVE_PCI_MMAP
  68 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  69                                enum pci_mmap_state mmap_state, int write_combine);
  70
  71
  72 #ifdef CONFIG_PCI
  73 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  74                                         enum pci_dma_burst_strategy *strat,
  75                                         unsigned long *strategy_parameter)
  76 {
  77         *strat = PCI_DMA_BURST_INFINITY;
  78         *strategy_parameter = ~0UL;
  79 }
  80 #endif
  81
  82 #endif /* __KERNEL__ */
  83
  84 /* implement the pci_ DMA API in terms of the generic device dma_ one */
  85 #include <asm-generic/pci-dma-compat.h>
  86
  87 /* generic pci stuff */
  88 #include <asm-generic/pci.h>
  89
  90 #endif /* __i386_PCI_H */