1#ifndef _ASM_IA64_PCI_H
2#define _ASM_IA64_PCI_H
3
4#include <linux/mm.h>
5#include <linux/slab.h>
6#include <linux/spinlock.h>
7#include <linux/string.h>
8#include <linux/types.h>
9
10#include <asm/io.h>
11#include <asm/scatterlist.h>
12#include <asm/hw_irq.h>
13
14
15
16
17
18
19#define pcibios_assign_all_busses() 0
20
21#define PCIBIOS_MIN_IO 0x1000
22#define PCIBIOS_MIN_MEM 0x10000000
23
24void pcibios_config_init(void);
25
26struct pci_dev;
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42extern unsigned long ia64_max_iommu_merge_mask;
43#define PCI_DMA_BUS_IS_PHYS (ia64_max_iommu_merge_mask == ~0UL)
44
45static inline void
46pcibios_set_master (struct pci_dev *dev)
47{
48
49}
50
51static inline void
52pcibios_penalize_isa_irq (int irq, int active)
53{
54
55}
56
57#include <asm-generic/pci-dma-compat.h>
58
59
60#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
61 dma_addr_t ADDR_NAME;
62#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
63 __u32 LEN_NAME;
64#define pci_unmap_addr(PTR, ADDR_NAME) \
65 ((PTR)->ADDR_NAME)
66#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
67 (((PTR)->ADDR_NAME) = (VAL))
68#define pci_unmap_len(PTR, LEN_NAME) \
69 ((PTR)->LEN_NAME)
70#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
71 (((PTR)->LEN_NAME) = (VAL))
72
73#ifdef CONFIG_PCI
74static inline void pci_dma_burst_advice(struct pci_dev *pdev,
75 enum pci_dma_burst_strategy *strat,
76 unsigned long *strategy_parameter)
77{
78 unsigned long cacheline_size;
79 u8 byte;
80
81 pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
82 if (byte == 0)
83 cacheline_size = 1024;
84 else
85 cacheline_size = (int) byte * 4;
86
87 *strat = PCI_DMA_BURST_MULTIPLE;
88 *strategy_parameter = cacheline_size;
89}
90#endif
91
92#define HAVE_PCI_MMAP
93extern int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma,
94 enum pci_mmap_state mmap_state, int write_combine);
95#define HAVE_PCI_LEGACY
96extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
97 struct vm_area_struct *vma,
98 enum pci_mmap_state mmap_state);
99
100#define pci_get_legacy_mem platform_pci_get_legacy_mem
101#define pci_legacy_read platform_pci_legacy_read
102#define pci_legacy_write platform_pci_legacy_write
103
104struct pci_window {
105 struct resource resource;
106 u64 offset;
107};
108
109struct pci_controller {
110 void *acpi_handle;
111 void *iommu;
112 int segment;
113 int node;
114
115 unsigned int windows;
116 struct pci_window *window;
117
118 void *platform_data;
119};
120
121#define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata)
122#define pci_domain_nr(busdev) (PCI_CONTROLLER(busdev)->segment)
123
124extern struct pci_ops pci_root_ops;
125
126static inline int pci_proc_domain(struct pci_bus *bus)
127{
128 return (pci_domain_nr(bus) != 0);
129}
130
131extern void pcibios_resource_to_bus(struct pci_dev *dev,
132 struct pci_bus_region *region, struct resource *res);
133
134extern void pcibios_bus_to_resource(struct pci_dev *dev,
135 struct resource *res, struct pci_bus_region *region);
136
137static inline struct resource *
138pcibios_select_root(struct pci_dev *pdev, struct resource *res)
139{
140 struct resource *root = NULL;
141
142 if (res->flags & IORESOURCE_IO)
143 root = &ioport_resource;
144 if (res->flags & IORESOURCE_MEM)
145 root = &iomem_resource;
146
147 return root;
148}
149
150#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
151static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
152{
153 return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14);
154}
155
156#ifdef CONFIG_DMAR
157extern void pci_iommu_alloc(void);
158#endif
159#endif
160