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#ifndef _ASM_IA64_PCI_H

#define _ASM_IA64_PCI_H

#include <linux/slab.h>

#include <linux/string.h>

#include <linux/types.h>

#include <linux/spinlock.h>

#include <asm/io.h>

#include <asm/scatterlist.h>

/*

 * 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.

 */

#define pcibios_assign_all_busses()     0

#define pcibios_scan_all_fns()          0

#define PCIBIOS_MIN_IO          0x1000

#define PCIBIOS_MIN_MEM         0x10000000

void pcibios_config_init(void);

struct pci_bus *pcibios_scan_root(void *acpi_handle, int segment, int bus);

extern int (*pci_config_read)(int seg, int bus, int dev, int fn, int reg, int len, u32 *value);

extern int (*pci_config_write)(int seg, int bus, int dev, int fn, int reg, int len, u32 value);

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)

static inline void

pcibios_set_master (struct pci_dev *dev)

{

        /* No special bus mastering setup handling */

}

static inline void

pcibios_penalize_isa_irq (int irq)

{

        /* We don't do dynamic PCI IRQ allocation */

}

#define HAVE_ARCH_PCI_MWI 1

extern int pcibios_set_mwi (struct pci_dev *);

/*

 * Dynamic DMA mapping API.  See Documentation/DMA-mapping.txt for details.

 */

#define pci_alloc_consistent            platform_pci_alloc_consistent

#define pci_free_consistent             platform_pci_free_consistent

#define pci_map_single                  platform_pci_map_single

#define pci_unmap_single                platform_pci_unmap_single

#define pci_map_sg                      platform_pci_map_sg

#define pci_unmap_sg                    platform_pci_unmap_sg

#define pci_dma_sync_single             platform_pci_dma_sync_single

#define pci_dma_sync_sg                 platform_pci_dma_sync_sg

#define pci_dma_supported               platform_pci_dma_supported

/* pci_unmap_{single,page} is not a nop, thus... */

#define DECLARE_PCI_UNMAP_ADDR(addr_name)       dma_addr_t addr_name;

#define DECLARE_PCI_UNMAP_LEN(len_name)         __u32 len_name;

#define pci_unmap_addr(ptr, addr_name)          ((ptr)->addr_name)

#define pci_unmap_addr_set(ptr, addr_name, val) (((ptr)->addr_name) = (val))

#define pci_unmap_len(ptr, len_name)            ((ptr)->len_name)

#define pci_unmap_len_set(ptr, len_name, val)   (((ptr)->len_name) = (val))

#define pci_map_page(dev,pg,off,size,dir)                               \

        pci_map_single((dev), page_address(pg) + (off), (size), (dir))

#define pci_unmap_page(dev,dma_addr,size,dir)                           \

        pci_unmap_single((dev), (dma_addr), (size), (dir))

/* The ia64 platform always supports 64-bit addressing. */

#define pci_dac_dma_supported(pci_dev, mask)    (1)

#define pci_dac_page_to_dma(dev,pg,off,dir)     ((dma_addr_t) page_to_bus(pg) + (off))

#define pci_dac_dma_to_page(dev,dma_addr)       (virt_to_page(bus_to_virt(dma_addr)))

#define pci_dac_dma_to_offset(dev,dma_addr)     ((dma_addr) & ~PAGE_MASK)

#define pci_dac_dma_sync_single(dev,dma_addr,len,dir)   do { /* nothing */ } while (0)

/* Return the PCI domain number */

#define pci_controller_num(pdev)        (PCI_SEGMENT(pdev))

#define sg_dma_address(sg)      ((sg)->dma_address)

#define sg_dma_len(sg)          ((sg)->dma_length)

#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);

struct pci_window {

        struct resource resource;

        u64 offset;

};

struct pci_controller {

        void *acpi_handle;

        void *iommu;

        int segment;

        unsigned int windows;

        struct pci_window *window;

        void *platform_data;

};

#define PCI_CONTROLLER(dev) ((struct pci_controller *) dev->sysdata)

#define PCI_SEGMENT(dev)    (PCI_CONTROLLER(dev)->segment)

#endif /* _ASM_IA64_PCI_H */