diff options
Diffstat (limited to 'include/asm-ia64/pci.h')
| -rw-r--r-- | include/asm-ia64/pci.h | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/include/asm-ia64/pci.h b/include/asm-ia64/pci.h deleted file mode 100644 index ef616fd4cb1..00000000000 --- a/include/asm-ia64/pci.h +++ /dev/null @@ -1,174 +0,0 @@ -#ifndef _ASM_IA64_PCI_H -#define _ASM_IA64_PCI_H - -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/string.h> -#include <linux/types.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(a, b) 0 - -#define PCIBIOS_MIN_IO 0x1000 -#define PCIBIOS_MIN_MEM 0x10000000 - -void pcibios_config_init(void); - -struct pci_dev; - -/* - * PCI_DMA_BUS_IS_PHYS should be set to 1 if there is _necessarily_ a direct correspondence - * between device bus addresses and CPU physical addresses. Platforms with a hardware I/O - * MMU _must_ turn this off to suppress the bounce buffer handling code in the block and - * network device layers. Platforms with separate bus address spaces _must_ turn this off - * and provide a device DMA mapping implementation that takes care of the necessary - * address translation. - * - * For now, the ia64 platforms which may have separate/multiple bus address spaces all - * have I/O MMUs which support the merging of physically discontiguous buffers, so we can - * use that as the sole factor to determine the setting of PCI_DMA_BUS_IS_PHYS. - */ -extern unsigned long ia64_max_iommu_merge_mask; -#define PCI_DMA_BUS_IS_PHYS (ia64_max_iommu_merge_mask == ~0UL) - -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, int active) -{ - /* We don't do dynamic PCI IRQ allocation */ -} - -#define HAVE_ARCH_PCI_MWI 1 -extern int pcibios_prep_mwi (struct pci_dev *); - -#include <asm-generic/pci-dma-compat.h> - -/* 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)) - -/* 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) offset_in_page(dma_addr) -#define pci_dac_dma_sync_single_for_cpu(dev,dma_addr,len,dir) do { } while (0) -#define pci_dac_dma_sync_single_for_device(dev,dma_addr,len,dir) do { mb(); } while (0) - -#define sg_dma_len(sg) ((sg)->dma_length) -#define sg_dma_address(sg) ((sg)->dma_address) - -#ifdef CONFIG_PCI -static inline void pci_dma_burst_advice(struct pci_dev *pdev, - enum pci_dma_burst_strategy *strat, - unsigned long *strategy_parameter) -{ - unsigned long cacheline_size; - u8 byte; - - pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte); - if (byte == 0) - cacheline_size = 1024; - else - cacheline_size = (int) byte * 4; - - *strat = PCI_DMA_BURST_MULTIPLE; - *strategy_parameter = cacheline_size; -} -#endif - -#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); -#define HAVE_PCI_LEGACY -extern int pci_mmap_legacy_page_range(struct pci_bus *bus, - struct vm_area_struct *vma); -extern ssize_t pci_read_legacy_io(struct kobject *kobj, char *buf, loff_t off, - size_t count); -extern ssize_t pci_write_legacy_io(struct kobject *kobj, char *buf, loff_t off, - size_t count); -extern int pci_mmap_legacy_mem(struct kobject *kobj, - struct bin_attribute *attr, - struct vm_area_struct *vma); - -#define pci_get_legacy_mem platform_pci_get_legacy_mem -#define pci_legacy_read platform_pci_legacy_read -#define pci_legacy_write platform_pci_legacy_write - -struct pci_window { - struct resource resource; - u64 offset; -}; - -struct pci_controller { - void *acpi_handle; - void *iommu; - int segment; - int node; /* nearest node with memory or -1 for global allocation */ - - unsigned int windows; - struct pci_window *window; - - void *platform_data; -}; - -#define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata) -#define pci_domain_nr(busdev) (PCI_CONTROLLER(busdev)->segment) - -extern struct pci_ops pci_root_ops; - -static inline int pci_proc_domain(struct pci_bus *bus) -{ - return (pci_domain_nr(bus) != 0); -} - -static inline void pcibios_add_platform_entries(struct pci_dev *dev) -{ -} - -extern void pcibios_resource_to_bus(struct pci_dev *dev, - struct pci_bus_region *region, struct resource *res); - -extern void pcibios_bus_to_resource(struct pci_dev *dev, - struct resource *res, struct pci_bus_region *region); - -static inline struct resource * -pcibios_select_root(struct pci_dev *pdev, struct resource *res) -{ - struct resource *root = NULL; - - if (res->flags & IORESOURCE_IO) - root = &ioport_resource; - if (res->flags & IORESOURCE_MEM) - root = &iomem_resource; - - return root; -} - -#define pcibios_scan_all_fns(a, b) 0 - -#endif /* _ASM_IA64_PCI_H */ |