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- #ifndef __i386_PCI_H
- #define __i386_PCI_H
-
- #include <linux/config.h>
-
- #ifdef __KERNEL__
- #include <linux/mm.h> /* for struct page */
-
- /* Can be used to override the logic in pci_scan_bus for skipping
- already-configured bus numbers - to be used for buggy BIOSes
- or architectures with incomplete PCI setup by the loader */
-
- #ifdef CONFIG_PCI
- extern unsigned int pcibios_assign_all_busses(void);
- #else
- #define pcibios_assign_all_busses() 0
- #endif
- #define pcibios_scan_all_fns(a, b) 0
-
- extern unsigned long pci_mem_start;
- #define PCIBIOS_MIN_IO 0x1000
- #define PCIBIOS_MIN_MEM (pci_mem_start)
-
- #define PCIBIOS_MIN_CARDBUS_IO 0x4000
-
- void pcibios_config_init(void);
- struct pci_bus * pcibios_scan_root(int bus);
-
- void pcibios_set_master(struct pci_dev *dev);
- void pcibios_penalize_isa_irq(int irq);
- struct irq_routing_table *pcibios_get_irq_routing_table(void);
- int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
-
- /* Dynamic DMA mapping stuff.
- * i386 has everything mapped statically.
- */
-
- #include <linux/types.h>
- #include <linux/slab.h>
- #include <asm/scatterlist.h>
- #include <linux/string.h>
- #include <asm/io.h>
-
- struct pci_dev;
-
- /* The PCI address space does equal the physical memory
- * address space. The networking and block device layers use
- * this boolean for bounce buffer decisions.
- */
- #define PCI_DMA_BUS_IS_PHYS (1)
-
- /* pci_unmap_{page,single} is a nop so... */
- #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
- #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
- #define pci_unmap_addr(PTR, ADDR_NAME) (0)
- #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
- #define pci_unmap_len(PTR, LEN_NAME) (0)
- #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
-
- /* This is always fine. */
- #define pci_dac_dma_supported(pci_dev, mask) (1)
-
- static inline dma64_addr_t
- pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction)
- {
- return ((dma64_addr_t) page_to_phys(page) +
- (dma64_addr_t) offset);
- }
-
- static inline struct page *
- pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
- {
- return pfn_to_page(dma_addr >> PAGE_SHIFT);
- }
-
- static inline unsigned long
- pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
- {
- return (dma_addr & ~PAGE_MASK);
- }
-
- static inline void
- pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
- {
- }
-
- static inline void
- pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
- {
- flush_write_buffers();
- }
-
- #define HAVE_PCI_MMAP
- extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine);
-
-
- static inline void pcibios_add_platform_entries(struct pci_dev *dev)
- {
- }
-
- #endif /* __KERNEL__ */
-
- /* implement the pci_ DMA API in terms of the generic device dma_ one */
- #include <asm-generic/pci-dma-compat.h>
-
- /* generic pci stuff */
- #include <asm-generic/pci.h>
-
- #endif /* __i386_PCI_H */
-