Commit 5b1d221e6292f9fcf9f12d6c9e94ee9470ee2a24
1 parent
3263263f70
Exists in
master
and in
7 other branches
[MIPS] Fix build of several IDE drivers by providing pci_get_legacy_ide_irq
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Showing 1 changed file with 6 additions and 0 deletions Inline Diff
include/asm-mips/pci.h
1 | /* | 1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public | 2 | * This file is subject to the terms and conditions of the GNU General Public |
3 | * License. See the file "COPYING" in the main directory of this archive | 3 | * License. See the file "COPYING" in the main directory of this archive |
4 | * for more details. | 4 | * for more details. |
5 | */ | 5 | */ |
6 | #ifndef _ASM_PCI_H | 6 | #ifndef _ASM_PCI_H |
7 | #define _ASM_PCI_H | 7 | #define _ASM_PCI_H |
8 | 8 | ||
9 | #include <linux/mm.h> | 9 | #include <linux/mm.h> |
10 | 10 | ||
11 | #ifdef __KERNEL__ | 11 | #ifdef __KERNEL__ |
12 | 12 | ||
13 | /* | 13 | /* |
14 | * This file essentially defines the interface between board | 14 | * This file essentially defines the interface between board |
15 | * specific PCI code and MIPS common PCI code. Should potentially put | 15 | * specific PCI code and MIPS common PCI code. Should potentially put |
16 | * into include/asm/pci.h file. | 16 | * into include/asm/pci.h file. |
17 | */ | 17 | */ |
18 | 18 | ||
19 | #include <linux/ioport.h> | 19 | #include <linux/ioport.h> |
20 | 20 | ||
21 | /* | 21 | /* |
22 | * Each pci channel is a top-level PCI bus seem by CPU. A machine with | 22 | * Each pci channel is a top-level PCI bus seem by CPU. A machine with |
23 | * multiple PCI channels may have multiple PCI host controllers or a | 23 | * multiple PCI channels may have multiple PCI host controllers or a |
24 | * single controller supporting multiple channels. | 24 | * single controller supporting multiple channels. |
25 | */ | 25 | */ |
26 | struct pci_controller { | 26 | struct pci_controller { |
27 | struct pci_controller *next; | 27 | struct pci_controller *next; |
28 | struct pci_bus *bus; | 28 | struct pci_bus *bus; |
29 | 29 | ||
30 | struct pci_ops *pci_ops; | 30 | struct pci_ops *pci_ops; |
31 | struct resource *mem_resource; | 31 | struct resource *mem_resource; |
32 | unsigned long mem_offset; | 32 | unsigned long mem_offset; |
33 | struct resource *io_resource; | 33 | struct resource *io_resource; |
34 | unsigned long io_offset; | 34 | unsigned long io_offset; |
35 | 35 | ||
36 | unsigned int index; | 36 | unsigned int index; |
37 | /* For compatibility with current (as of July 2003) pciutils | 37 | /* For compatibility with current (as of July 2003) pciutils |
38 | and XFree86. Eventually will be removed. */ | 38 | and XFree86. Eventually will be removed. */ |
39 | unsigned int need_domain_info; | 39 | unsigned int need_domain_info; |
40 | 40 | ||
41 | int iommu; | 41 | int iommu; |
42 | 42 | ||
43 | /* Optional access methods for reading/writing the bus number | 43 | /* Optional access methods for reading/writing the bus number |
44 | of the PCI controller */ | 44 | of the PCI controller */ |
45 | int (*get_busno)(void); | 45 | int (*get_busno)(void); |
46 | void (*set_busno)(int busno); | 46 | void (*set_busno)(int busno); |
47 | }; | 47 | }; |
48 | 48 | ||
49 | /* | 49 | /* |
50 | * Used by boards to register their PCI busses before the actual scanning. | 50 | * Used by boards to register their PCI busses before the actual scanning. |
51 | */ | 51 | */ |
52 | extern struct pci_controller * alloc_pci_controller(void); | 52 | extern struct pci_controller * alloc_pci_controller(void); |
53 | extern void register_pci_controller(struct pci_controller *hose); | 53 | extern void register_pci_controller(struct pci_controller *hose); |
54 | 54 | ||
55 | /* | 55 | /* |
56 | * board supplied pci irq fixup routine | 56 | * board supplied pci irq fixup routine |
57 | */ | 57 | */ |
58 | extern int pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin); | 58 | extern int pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin); |
59 | 59 | ||
60 | 60 | ||
61 | /* Can be used to override the logic in pci_scan_bus for skipping | 61 | /* Can be used to override the logic in pci_scan_bus for skipping |
62 | already-configured bus numbers - to be used for buggy BIOSes | 62 | already-configured bus numbers - to be used for buggy BIOSes |
63 | or architectures with incomplete PCI setup by the loader */ | 63 | or architectures with incomplete PCI setup by the loader */ |
64 | 64 | ||
65 | extern unsigned int pcibios_assign_all_busses(void); | 65 | extern unsigned int pcibios_assign_all_busses(void); |
66 | 66 | ||
67 | #define pcibios_scan_all_fns(a, b) 0 | 67 | #define pcibios_scan_all_fns(a, b) 0 |
68 | 68 | ||
69 | extern unsigned long PCIBIOS_MIN_IO; | 69 | extern unsigned long PCIBIOS_MIN_IO; |
70 | extern unsigned long PCIBIOS_MIN_MEM; | 70 | extern unsigned long PCIBIOS_MIN_MEM; |
71 | 71 | ||
72 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 | 72 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 |
73 | 73 | ||
74 | extern void pcibios_set_master(struct pci_dev *dev); | 74 | extern void pcibios_set_master(struct pci_dev *dev); |
75 | 75 | ||
76 | static inline void pcibios_penalize_isa_irq(int irq, int active) | 76 | static inline void pcibios_penalize_isa_irq(int irq, int active) |
77 | { | 77 | { |
78 | /* We don't do dynamic PCI IRQ allocation */ | 78 | /* We don't do dynamic PCI IRQ allocation */ |
79 | } | 79 | } |
80 | 80 | ||
81 | /* | 81 | /* |
82 | * Dynamic DMA mapping stuff. | 82 | * Dynamic DMA mapping stuff. |
83 | * MIPS has everything mapped statically. | 83 | * MIPS has everything mapped statically. |
84 | */ | 84 | */ |
85 | 85 | ||
86 | #include <linux/types.h> | 86 | #include <linux/types.h> |
87 | #include <linux/slab.h> | 87 | #include <linux/slab.h> |
88 | #include <asm/scatterlist.h> | 88 | #include <asm/scatterlist.h> |
89 | #include <linux/string.h> | 89 | #include <linux/string.h> |
90 | #include <asm/io.h> | 90 | #include <asm/io.h> |
91 | 91 | ||
92 | struct pci_dev; | 92 | struct pci_dev; |
93 | 93 | ||
94 | /* | 94 | /* |
95 | * The PCI address space does equal the physical memory address space. The | 95 | * The PCI address space does equal the physical memory address space. The |
96 | * networking and block device layers use this boolean for bounce buffer | 96 | * networking and block device layers use this boolean for bounce buffer |
97 | * decisions. This is set if any hose does not have an IOMMU. | 97 | * decisions. This is set if any hose does not have an IOMMU. |
98 | */ | 98 | */ |
99 | extern unsigned int PCI_DMA_BUS_IS_PHYS; | 99 | extern unsigned int PCI_DMA_BUS_IS_PHYS; |
100 | 100 | ||
101 | #ifdef CONFIG_DMA_NEED_PCI_MAP_STATE | 101 | #ifdef CONFIG_DMA_NEED_PCI_MAP_STATE |
102 | 102 | ||
103 | /* pci_unmap_{single,page} is not a nop, thus... */ | 103 | /* pci_unmap_{single,page} is not a nop, thus... */ |
104 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME; | 104 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME; |
105 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME; | 105 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME; |
106 | #define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME) | 106 | #define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME) |
107 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL)) | 107 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL)) |
108 | #define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME) | 108 | #define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME) |
109 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL)) | 109 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL)) |
110 | 110 | ||
111 | #else /* CONFIG_DMA_NEED_PCI_MAP_STATE */ | 111 | #else /* CONFIG_DMA_NEED_PCI_MAP_STATE */ |
112 | 112 | ||
113 | /* pci_unmap_{page,single} is a nop so... */ | 113 | /* pci_unmap_{page,single} is a nop so... */ |
114 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) | 114 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) |
115 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) | 115 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) |
116 | #define pci_unmap_addr(PTR, ADDR_NAME) (0) | 116 | #define pci_unmap_addr(PTR, ADDR_NAME) (0) |
117 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) | 117 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) |
118 | #define pci_unmap_len(PTR, LEN_NAME) (0) | 118 | #define pci_unmap_len(PTR, LEN_NAME) (0) |
119 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) | 119 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) |
120 | 120 | ||
121 | #endif /* CONFIG_DMA_NEED_PCI_MAP_STATE */ | 121 | #endif /* CONFIG_DMA_NEED_PCI_MAP_STATE */ |
122 | 122 | ||
123 | /* This is always fine. */ | 123 | /* This is always fine. */ |
124 | #define pci_dac_dma_supported(pci_dev, mask) (1) | 124 | #define pci_dac_dma_supported(pci_dev, mask) (1) |
125 | 125 | ||
126 | extern dma64_addr_t pci_dac_page_to_dma(struct pci_dev *pdev, | 126 | extern dma64_addr_t pci_dac_page_to_dma(struct pci_dev *pdev, |
127 | struct page *page, unsigned long offset, int direction); | 127 | struct page *page, unsigned long offset, int direction); |
128 | extern struct page *pci_dac_dma_to_page(struct pci_dev *pdev, | 128 | extern struct page *pci_dac_dma_to_page(struct pci_dev *pdev, |
129 | dma64_addr_t dma_addr); | 129 | dma64_addr_t dma_addr); |
130 | extern unsigned long pci_dac_dma_to_offset(struct pci_dev *pdev, | 130 | extern unsigned long pci_dac_dma_to_offset(struct pci_dev *pdev, |
131 | dma64_addr_t dma_addr); | 131 | dma64_addr_t dma_addr); |
132 | extern void pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, | 132 | extern void pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, |
133 | dma64_addr_t dma_addr, size_t len, int direction); | 133 | dma64_addr_t dma_addr, size_t len, int direction); |
134 | extern void pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, | 134 | extern void pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, |
135 | dma64_addr_t dma_addr, size_t len, int direction); | 135 | dma64_addr_t dma_addr, size_t len, int direction); |
136 | 136 | ||
137 | #ifdef CONFIG_PCI | 137 | #ifdef CONFIG_PCI |
138 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, | 138 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
139 | enum pci_dma_burst_strategy *strat, | 139 | enum pci_dma_burst_strategy *strat, |
140 | unsigned long *strategy_parameter) | 140 | unsigned long *strategy_parameter) |
141 | { | 141 | { |
142 | *strat = PCI_DMA_BURST_INFINITY; | 142 | *strat = PCI_DMA_BURST_INFINITY; |
143 | *strategy_parameter = ~0UL; | 143 | *strategy_parameter = ~0UL; |
144 | } | 144 | } |
145 | #endif | 145 | #endif |
146 | 146 | ||
147 | extern void pcibios_resource_to_bus(struct pci_dev *dev, | 147 | extern void pcibios_resource_to_bus(struct pci_dev *dev, |
148 | struct pci_bus_region *region, struct resource *res); | 148 | struct pci_bus_region *region, struct resource *res); |
149 | 149 | ||
150 | extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, | 150 | extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, |
151 | struct pci_bus_region *region); | 151 | struct pci_bus_region *region); |
152 | 152 | ||
153 | static inline struct resource * | 153 | static inline struct resource * |
154 | pcibios_select_root(struct pci_dev *pdev, struct resource *res) | 154 | pcibios_select_root(struct pci_dev *pdev, struct resource *res) |
155 | { | 155 | { |
156 | struct resource *root = NULL; | 156 | struct resource *root = NULL; |
157 | 157 | ||
158 | if (res->flags & IORESOURCE_IO) | 158 | if (res->flags & IORESOURCE_IO) |
159 | root = &ioport_resource; | 159 | root = &ioport_resource; |
160 | if (res->flags & IORESOURCE_MEM) | 160 | if (res->flags & IORESOURCE_MEM) |
161 | root = &iomem_resource; | 161 | root = &iomem_resource; |
162 | 162 | ||
163 | return root; | 163 | return root; |
164 | } | 164 | } |
165 | 165 | ||
166 | #ifdef CONFIG_PCI_DOMAINS | 166 | #ifdef CONFIG_PCI_DOMAINS |
167 | 167 | ||
168 | #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index | 168 | #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index |
169 | 169 | ||
170 | static inline int pci_proc_domain(struct pci_bus *bus) | 170 | static inline int pci_proc_domain(struct pci_bus *bus) |
171 | { | 171 | { |
172 | struct pci_controller *hose = bus->sysdata; | 172 | struct pci_controller *hose = bus->sysdata; |
173 | return hose->need_domain_info; | 173 | return hose->need_domain_info; |
174 | } | 174 | } |
175 | 175 | ||
176 | #endif /* CONFIG_PCI_DOMAINS */ | 176 | #endif /* CONFIG_PCI_DOMAINS */ |
177 | 177 | ||
178 | #endif /* __KERNEL__ */ | 178 | #endif /* __KERNEL__ */ |
179 | 179 | ||
180 | /* implement the pci_ DMA API in terms of the generic device dma_ one */ | 180 | /* implement the pci_ DMA API in terms of the generic device dma_ one */ |
181 | #include <asm-generic/pci-dma-compat.h> | 181 | #include <asm-generic/pci-dma-compat.h> |
182 | 182 | ||
183 | static inline void pcibios_add_platform_entries(struct pci_dev *dev) | 183 | static inline void pcibios_add_platform_entries(struct pci_dev *dev) |
184 | { | 184 | { |
185 | } | 185 | } |
186 | 186 | ||
187 | /* Do platform specific device initialization at pci_enable_device() time */ | 187 | /* Do platform specific device initialization at pci_enable_device() time */ |
188 | extern int pcibios_plat_dev_init(struct pci_dev *dev); | 188 | extern int pcibios_plat_dev_init(struct pci_dev *dev); |
189 | 189 | ||
190 | /* Chances are this interrupt is wired PC-style ... */ | ||
191 | static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) | ||
192 | { | ||
193 | return channel ? 15 : 14; | ||
194 | } | ||
195 | |||
190 | #endif /* _ASM_PCI_H */ | 196 | #endif /* _ASM_PCI_H */ |
191 | 197 |