aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-sparc/pci_64.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sparc/pci_64.h')
-rw-r--r--include/asm-sparc/pci_64.h210
1 files changed, 0 insertions, 210 deletions
diff --git a/include/asm-sparc/pci_64.h b/include/asm-sparc/pci_64.h
deleted file mode 100644
index 4f79a54948f6..000000000000
--- a/include/asm-sparc/pci_64.h
+++ /dev/null
@@ -1,210 +0,0 @@
1#ifndef __SPARC64_PCI_H
2#define __SPARC64_PCI_H
3
4#ifdef __KERNEL__
5
6#include <linux/dma-mapping.h>
7
8/* Can be used to override the logic in pci_scan_bus for skipping
9 * already-configured bus numbers - to be used for buggy BIOSes
10 * or architectures with incomplete PCI setup by the loader.
11 */
12#define pcibios_assign_all_busses() 0
13#define pcibios_scan_all_fns(a, b) 0
14
15#define PCIBIOS_MIN_IO 0UL
16#define PCIBIOS_MIN_MEM 0UL
17
18#define PCI_IRQ_NONE 0xffffffff
19
20#define PCI_CACHE_LINE_BYTES 64
21
22static inline void pcibios_set_master(struct pci_dev *dev)
23{
24 /* No special bus mastering setup handling */
25}
26
27static inline void pcibios_penalize_isa_irq(int irq, int active)
28{
29 /* We don't do dynamic PCI IRQ allocation */
30}
31
32/* The PCI address space does not equal the physical memory
33 * address space. The networking and block device layers use
34 * this boolean for bounce buffer decisions.
35 */
36#define PCI_DMA_BUS_IS_PHYS (0)
37
38static inline void *pci_alloc_consistent(struct pci_dev *pdev, size_t size,
39 dma_addr_t *dma_handle)
40{
41 return dma_alloc_coherent(&pdev->dev, size, dma_handle, GFP_ATOMIC);
42}
43
44static inline void pci_free_consistent(struct pci_dev *pdev, size_t size,
45 void *vaddr, dma_addr_t dma_handle)
46{
47 return dma_free_coherent(&pdev->dev, size, vaddr, dma_handle);
48}
49
50static inline dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr,
51 size_t size, int direction)
52{
53 return dma_map_single(&pdev->dev, ptr, size,
54 (enum dma_data_direction) direction);
55}
56
57static inline void pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr,
58 size_t size, int direction)
59{
60 dma_unmap_single(&pdev->dev, dma_addr, size,
61 (enum dma_data_direction) direction);
62}
63
64#define pci_map_page(dev, page, off, size, dir) \
65 pci_map_single(dev, (page_address(page) + (off)), size, dir)
66#define pci_unmap_page(dev,addr,sz,dir) \
67 pci_unmap_single(dev,addr,sz,dir)
68
69/* pci_unmap_{single,page} is not a nop, thus... */
70#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
71 dma_addr_t ADDR_NAME;
72#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
73 __u32 LEN_NAME;
74#define pci_unmap_addr(PTR, ADDR_NAME) \
75 ((PTR)->ADDR_NAME)
76#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
77 (((PTR)->ADDR_NAME) = (VAL))
78#define pci_unmap_len(PTR, LEN_NAME) \
79 ((PTR)->LEN_NAME)
80#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
81 (((PTR)->LEN_NAME) = (VAL))
82
83static inline int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg,
84 int nents, int direction)
85{
86 return dma_map_sg(&pdev->dev, sg, nents,
87 (enum dma_data_direction) direction);
88}
89
90static inline void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg,
91 int nents, int direction)
92{
93 dma_unmap_sg(&pdev->dev, sg, nents,
94 (enum dma_data_direction) direction);
95}
96
97static inline void pci_dma_sync_single_for_cpu(struct pci_dev *pdev,
98 dma_addr_t dma_handle,
99 size_t size, int direction)
100{
101 dma_sync_single_for_cpu(&pdev->dev, dma_handle, size,
102 (enum dma_data_direction) direction);
103}
104
105static inline void pci_dma_sync_single_for_device(struct pci_dev *pdev,
106 dma_addr_t dma_handle,
107 size_t size, int direction)
108{
109 /* No flushing needed to sync cpu writes to the device. */
110}
111
112static inline void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev,
113 struct scatterlist *sg,
114 int nents, int direction)
115{
116 dma_sync_sg_for_cpu(&pdev->dev, sg, nents,
117 (enum dma_data_direction) direction);
118}
119
120static inline void pci_dma_sync_sg_for_device(struct pci_dev *pdev,
121 struct scatterlist *sg,
122 int nelems, int direction)
123{
124 /* No flushing needed to sync cpu writes to the device. */
125}
126
127/* Return whether the given PCI device DMA address mask can
128 * be supported properly. For example, if your device can
129 * only drive the low 24-bits during PCI bus mastering, then
130 * you would pass 0x00ffffff as the mask to this function.
131 */
132extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask);
133
134/* PCI IOMMU mapping bypass support. */
135
136/* PCI 64-bit addressing works for all slots on all controller
137 * types on sparc64. However, it requires that the device
138 * can drive enough of the 64 bits.
139 */
140#define PCI64_REQUIRED_MASK (~(dma64_addr_t)0)
141#define PCI64_ADDR_BASE 0xfffc000000000000UL
142
143static inline int pci_dma_mapping_error(struct pci_dev *pdev,
144 dma_addr_t dma_addr)
145{
146 return dma_mapping_error(&pdev->dev, dma_addr);
147}
148
149#ifdef CONFIG_PCI
150static inline void pci_dma_burst_advice(struct pci_dev *pdev,
151 enum pci_dma_burst_strategy *strat,
152 unsigned long *strategy_parameter)
153{
154 unsigned long cacheline_size;
155 u8 byte;
156
157 pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
158 if (byte == 0)
159 cacheline_size = 1024;
160 else
161 cacheline_size = (int) byte * 4;
162
163 *strat = PCI_DMA_BURST_BOUNDARY;
164 *strategy_parameter = cacheline_size;
165}
166#endif
167
168/* Return the index of the PCI controller for device PDEV. */
169
170extern int pci_domain_nr(struct pci_bus *bus);
171static inline int pci_proc_domain(struct pci_bus *bus)
172{
173 return 1;
174}
175
176/* Platform support for /proc/bus/pci/X/Y mmap()s. */
177
178#define HAVE_PCI_MMAP
179#define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
180#define get_pci_unmapped_area get_fb_unmapped_area
181
182extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
183 enum pci_mmap_state mmap_state,
184 int write_combine);
185
186extern void
187pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
188 struct resource *res);
189
190extern void
191pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
192 struct pci_bus_region *region);
193
194extern struct resource *pcibios_select_root(struct pci_dev *, struct resource *);
195
196static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
197{
198 return PCI_IRQ_NONE;
199}
200
201struct device_node;
202extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev);
203
204#define HAVE_ARCH_PCI_RESOURCE_TO_USER
205extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
206 const struct resource *rsrc,
207 resource_size_t *start, resource_size_t *end);
208#endif /* __KERNEL__ */
209
210#endif /* __SPARC64_PCI_H */