| #ifndef __PPC_PCI_H |
| #define __PPC_PCI_H |
| #ifdef __KERNEL__ |
| |
| #include <linux/types.h> |
| #include <linux/slab.h> |
| #include <linux/string.h> |
| #include <linux/mm.h> |
| #include <asm/scatterlist.h> |
| #include <asm/io.h> |
| #include <asm/pci-bridge.h> |
| #include <asm-generic/pci-dma-compat.h> |
| |
| struct pci_dev; |
| |
| /* Values for the `which' argument to sys_pciconfig_iobase syscall. */ |
| #define IOBASE_BRIDGE_NUMBER 0 |
| #define IOBASE_MEMORY 1 |
| #define IOBASE_IO 2 |
| #define IOBASE_ISA_IO 3 |
| #define IOBASE_ISA_MEM 4 |
| |
| /* |
| * Set this to 1 if you want the kernel to re-assign all PCI |
| * bus numbers |
| */ |
| extern int pci_assign_all_buses; |
| |
| #define pcibios_assign_all_busses() (pci_assign_all_buses) |
| #define pcibios_scan_all_fns(a, b) 0 |
| |
| #define PCIBIOS_MIN_IO 0x1000 |
| #define PCIBIOS_MIN_MEM 0x10000000 |
| |
| extern inline void pcibios_set_master(struct pci_dev *dev) |
| { |
| /* No special bus mastering setup handling */ |
| } |
| |
| extern inline void pcibios_penalize_isa_irq(int irq, int active) |
| { |
| /* We don't do dynamic PCI IRQ allocation */ |
| } |
| |
| extern unsigned long pci_resource_to_bus(struct pci_dev *pdev, struct resource *res); |
| |
| /* |
| * The PCI bus bridge can translate addresses issued by the processor(s) |
| * into a different address on the PCI bus. On 32-bit cpus, we assume |
| * this mapping is 1-1, but on 64-bit systems it often isn't. |
| * |
| * Obsolete ! Drivers should now use pci_resource_to_bus |
| */ |
| extern unsigned long phys_to_bus(unsigned long pa); |
| extern unsigned long pci_phys_to_bus(unsigned long pa, int busnr); |
| extern unsigned long pci_bus_to_phys(unsigned int ba, int busnr); |
| |
| /* 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) |
| |
| #ifdef CONFIG_PCI |
| static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
| enum pci_dma_burst_strategy *strat, |
| unsigned long *strategy_parameter) |
| { |
| *strat = PCI_DMA_BURST_INFINITY; |
| *strategy_parameter = ~0UL; |
| } |
| #endif |
| |
| /* |
| * At present there are very few 32-bit PPC machines that can have |
| * memory above the 4GB point, and we don't support that. |
| */ |
| #define pci_dac_dma_supported(pci_dev, mask) (0) |
| |
| /* Return the index of the PCI controller for device PDEV. */ |
| #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index |
| |
| /* Set the name of the bus as it appears in /proc/bus/pci */ |
| static inline int pci_proc_domain(struct pci_bus *bus) |
| { |
| return 0; |
| } |
| |
| /* Map a range of PCI memory or I/O space for a device into user space */ |
| int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, |
| enum pci_mmap_state mmap_state, int write_combine); |
| |
| /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ |
| #define HAVE_PCI_MMAP 1 |
| |
| 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; |
| } |
| |
| extern void pcibios_add_platform_entries(struct pci_dev *dev); |
| |
| struct file; |
| extern pgprot_t pci_phys_mem_access_prot(struct file *file, |
| unsigned long offset, |
| unsigned long size, |
| pgprot_t prot); |
| |
| #define HAVE_ARCH_PCI_RESOURCE_TO_USER |
| extern void pci_resource_to_user(const struct pci_dev *dev, int bar, |
| const struct resource *rsrc, |
| u64 *start, u64 *end); |
| |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* __PPC_PCI_H */ |