diff options
Diffstat (limited to 'include/asm-ppc/pci.h')
-rw-r--r-- | include/asm-ppc/pci.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/include/asm-ppc/pci.h b/include/asm-ppc/pci.h new file mode 100644 index 000000000000..ce5ae6d048f5 --- /dev/null +++ b/include/asm-ppc/pci.h | |||
@@ -0,0 +1,108 @@ | |||
1 | #ifndef __PPC_PCI_H | ||
2 | #define __PPC_PCI_H | ||
3 | #ifdef __KERNEL__ | ||
4 | |||
5 | #include <linux/types.h> | ||
6 | #include <linux/slab.h> | ||
7 | #include <linux/string.h> | ||
8 | #include <linux/mm.h> | ||
9 | #include <asm/scatterlist.h> | ||
10 | #include <asm/io.h> | ||
11 | #include <asm/pci-bridge.h> | ||
12 | #include <asm-generic/pci-dma-compat.h> | ||
13 | |||
14 | struct pci_dev; | ||
15 | |||
16 | /* Values for the `which' argument to sys_pciconfig_iobase syscall. */ | ||
17 | #define IOBASE_BRIDGE_NUMBER 0 | ||
18 | #define IOBASE_MEMORY 1 | ||
19 | #define IOBASE_IO 2 | ||
20 | #define IOBASE_ISA_IO 3 | ||
21 | #define IOBASE_ISA_MEM 4 | ||
22 | |||
23 | /* | ||
24 | * Set this to 1 if you want the kernel to re-assign all PCI | ||
25 | * bus numbers | ||
26 | */ | ||
27 | extern int pci_assign_all_busses; | ||
28 | |||
29 | #define pcibios_assign_all_busses() (pci_assign_all_busses) | ||
30 | #define pcibios_scan_all_fns(a, b) 0 | ||
31 | |||
32 | #define PCIBIOS_MIN_IO 0x1000 | ||
33 | #define PCIBIOS_MIN_MEM 0x10000000 | ||
34 | |||
35 | extern inline void pcibios_set_master(struct pci_dev *dev) | ||
36 | { | ||
37 | /* No special bus mastering setup handling */ | ||
38 | } | ||
39 | |||
40 | extern inline void pcibios_penalize_isa_irq(int irq) | ||
41 | { | ||
42 | /* We don't do dynamic PCI IRQ allocation */ | ||
43 | } | ||
44 | |||
45 | extern unsigned long pci_resource_to_bus(struct pci_dev *pdev, struct resource *res); | ||
46 | |||
47 | /* | ||
48 | * The PCI bus bridge can translate addresses issued by the processor(s) | ||
49 | * into a different address on the PCI bus. On 32-bit cpus, we assume | ||
50 | * this mapping is 1-1, but on 64-bit systems it often isn't. | ||
51 | * | ||
52 | * Obsolete ! Drivers should now use pci_resource_to_bus | ||
53 | */ | ||
54 | extern unsigned long phys_to_bus(unsigned long pa); | ||
55 | extern unsigned long pci_phys_to_bus(unsigned long pa, int busnr); | ||
56 | extern unsigned long pci_bus_to_phys(unsigned int ba, int busnr); | ||
57 | |||
58 | /* The PCI address space does equal the physical memory | ||
59 | * address space. The networking and block device layers use | ||
60 | * this boolean for bounce buffer decisions. | ||
61 | */ | ||
62 | #define PCI_DMA_BUS_IS_PHYS (1) | ||
63 | |||
64 | /* pci_unmap_{page,single} is a nop so... */ | ||
65 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) | ||
66 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) | ||
67 | #define pci_unmap_addr(PTR, ADDR_NAME) (0) | ||
68 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) | ||
69 | #define pci_unmap_len(PTR, LEN_NAME) (0) | ||
70 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) | ||
71 | |||
72 | /* | ||
73 | * At present there are very few 32-bit PPC machines that can have | ||
74 | * memory above the 4GB point, and we don't support that. | ||
75 | */ | ||
76 | #define pci_dac_dma_supported(pci_dev, mask) (0) | ||
77 | |||
78 | /* Return the index of the PCI controller for device PDEV. */ | ||
79 | #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index | ||
80 | |||
81 | /* Set the name of the bus as it appears in /proc/bus/pci */ | ||
82 | static inline int pci_proc_domain(struct pci_bus *bus) | ||
83 | { | ||
84 | return 0; | ||
85 | } | ||
86 | |||
87 | /* Map a range of PCI memory or I/O space for a device into user space */ | ||
88 | int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, | ||
89 | enum pci_mmap_state mmap_state, int write_combine); | ||
90 | |||
91 | /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ | ||
92 | #define HAVE_PCI_MMAP 1 | ||
93 | |||
94 | extern void | ||
95 | pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, | ||
96 | struct resource *res); | ||
97 | |||
98 | extern void pcibios_add_platform_entries(struct pci_dev *dev); | ||
99 | |||
100 | struct file; | ||
101 | extern pgprot_t pci_phys_mem_access_prot(struct file *file, | ||
102 | unsigned long offset, | ||
103 | unsigned long size, | ||
104 | pgprot_t prot); | ||
105 | |||
106 | #endif /* __KERNEL__ */ | ||
107 | |||
108 | #endif /* __PPC_PCI_H */ | ||