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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

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(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);

#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 */