pci.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:3k
- #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_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;
- 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 */
- }
- /*
- * 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 sg_dma_address platform_pci_dma_address
- #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 index of the PCI controller for device PDEV. */
- #define pci_controller_num(PDEV) (0)
- #define sg_dma_len(sg) ((sg)->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_controller {
- void *acpi_handle;
- void *iommu;
- int segment;
- u64 mem_offset;
- 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 */