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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef __i386_PCI_H |
| 2 | #define __i386_PCI_H |
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| 3 | |||
| 4 | #include <linux/config.h> |
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| 5 | |||
| 6 | #ifdef __KERNEL__ |
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| 7 | #include <linux/mm.h> /* for struct page */ |
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| 8 | |||
| 9 | /* Can be used to override the logic in pci_scan_bus for skipping |
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| 10 | already-configured bus numbers - to be used for buggy BIOSes |
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| 11 | or architectures with incomplete PCI setup by the loader */ |
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| 12 | |||
| 13 | #ifdef CONFIG_PCI |
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| 14 | extern unsigned int pcibios_assign_all_busses(void); |
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| 15 | #else |
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| 16 | #define pcibios_assign_all_busses() 0 |
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| 17 | #endif |
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| 18 | |||
| 19 | extern unsigned long pci_mem_start; |
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| 20 | #define PCIBIOS_MIN_IO 0x1000 |
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| 21 | #define PCIBIOS_MIN_MEM (pci_mem_start) |
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| 22 | |||
| 23 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 |
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| 24 | |||
| 25 | void pcibios_config_init(void); |
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| 26 | struct pci_bus * pcibios_scan_root(int bus); |
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| 27 | |||
| 28 | void pcibios_set_master(struct pci_dev *dev); |
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| 29 | void pcibios_penalize_isa_irq(int irq); |
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| 30 | struct irq_routing_table *pcibios_get_irq_routing_table(void); |
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| 31 | int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); |
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| 32 | |||
| 33 | /* Dynamic DMA mapping stuff. |
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| 34 | * i386 has everything mapped statically. |
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| 35 | */ |
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| 36 | |||
| 37 | #include <linux/types.h> |
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| 38 | #include <linux/slab.h> |
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| 39 | #include <asm/scatterlist.h> |
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| 40 | #include <linux/string.h> |
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| 41 | #include <asm/io.h> |
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| 42 | |||
| 43 | struct pci_dev; |
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| 44 | |||
| 45 | /* The PCI address space does equal the physical memory |
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| 46 | * address space. The networking and block device layers use |
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| 47 | * this boolean for bounce buffer decisions. |
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| 48 | */ |
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| 49 | #define PCI_DMA_BUS_IS_PHYS (1) |
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| 50 | |||
| 51 | /* pci_unmap_{page,single} is a nop so... */ |
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| 52 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) |
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| 53 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) |
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| 54 | #define pci_unmap_addr(PTR, ADDR_NAME) (0) |
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| 55 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) |
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| 56 | #define pci_unmap_len(PTR, LEN_NAME) (0) |
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| 57 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) |
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| 58 | |||
| 59 | /* This is always fine. */ |
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| 60 | #define pci_dac_dma_supported(pci_dev, mask) (1) |
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| 61 | |||
| 62 | static __inline__ dma64_addr_t |
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| 63 | pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction) |
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| 64 | { |
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| 65 | return ((dma64_addr_t) page_to_phys(page) + |
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| 66 | (dma64_addr_t) offset); |
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| 67 | } |
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| 68 | |||
| 69 | static __inline__ struct page * |
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| 70 | pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr) |
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| 71 | { |
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| 72 | return pfn_to_page(dma_addr >> PAGE_SHIFT); |
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| 73 | } |
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| 74 | |||
| 75 | static __inline__ unsigned long |
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| 76 | pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr) |
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| 77 | { |
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| 78 | return (dma_addr & ~PAGE_MASK); |
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| 79 | } |
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| 80 | |||
| 81 | static __inline__ void |
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| 82 | pci_dac_dma_sync_single(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) |
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| 83 | { |
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| 84 | flush_write_buffers(); |
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| 85 | } |
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| 86 | |||
| 87 | #define HAVE_PCI_MMAP |
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| 88 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, |
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| 89 | enum pci_mmap_state mmap_state, int write_combine); |
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| 90 | |||
| 91 | #endif /* __KERNEL__ */ |
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| 92 | |||
| 93 | /* implement the pci_ DMA API in terms of the generic device dma_ one */ |
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| 94 | #include <asm-generic/pci-dma-compat.h> |
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| 95 | |||
| 96 | /* generic pci stuff */ |
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| 97 | #include <asm-generic/pci.h> |
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| 98 | |||
| 99 | #endif /* __i386_PCI_H */ |