Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
04bea68b SAS |
2 | #ifndef __OF_PCI_H |
3 | #define __OF_PCI_H | |
4 | ||
5 | #include <linux/pci.h> | |
0d5a6db3 | 6 | #include <linux/msi.h> |
04bea68b SAS |
7 | |
8 | struct pci_dev; | |
530210c7 | 9 | struct of_phandle_args; |
98d9f30c | 10 | struct device_node; |
64c5c759 | 11 | |
4670d610 | 12 | #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI) |
98d9f30c BH |
13 | struct device_node *of_pci_find_child_device(struct device_node *parent, |
14 | unsigned int devfn); | |
45ab9702 | 15 | int of_pci_get_devfn(struct device_node *np); |
4e23d3f5 | 16 | int of_pci_parse_bus_range(struct device_node *node, struct resource *res); |
41e5c0f8 | 17 | int of_get_pci_domain_nr(struct device_node *node); |
9a1dc389 | 18 | int of_pci_get_max_link_speed(struct device_node *node); |
f81c11af | 19 | void of_pci_check_probe_only(void); |
987068fc RM |
20 | int of_pci_map_rid(struct device_node *np, u32 rid, |
21 | const char *map_name, const char *map_mask_name, | |
22 | struct device_node **target, u32 *id_out); | |
64c5c759 | 23 | #else |
64c5c759 AB |
24 | static inline struct device_node *of_pci_find_child_device(struct device_node *parent, |
25 | unsigned int devfn) | |
26 | { | |
27 | return NULL; | |
28 | } | |
29 | ||
30 | static inline int of_pci_get_devfn(struct device_node *np) | |
31 | { | |
32 | return -EINVAL; | |
33 | } | |
34 | ||
64c5c759 AB |
35 | static inline int |
36 | of_pci_parse_bus_range(struct device_node *node, struct resource *res) | |
37 | { | |
38 | return -EINVAL; | |
39 | } | |
41e5c0f8 LD |
40 | |
41 | static inline int | |
42 | of_get_pci_domain_nr(struct device_node *node) | |
43 | { | |
44 | return -1; | |
45 | } | |
c49b8fc2 | 46 | |
987068fc RM |
47 | static inline int of_pci_map_rid(struct device_node *np, u32 rid, |
48 | const char *map_name, const char *map_mask_name, | |
49 | struct device_node **target, u32 *id_out) | |
50 | { | |
51 | return -EINVAL; | |
9a1dc389 SL |
52 | } |
53 | ||
54 | static inline int | |
55 | of_pci_get_max_link_speed(struct device_node *node) | |
56 | { | |
57 | return -EINVAL; | |
987068fc RM |
58 | } |
59 | ||
f81c11af | 60 | static inline void of_pci_check_probe_only(void) { } |
64c5c759 | 61 | #endif |
98d9f30c | 62 | |
a6f1086e GR |
63 | #if IS_ENABLED(CONFIG_OF_IRQ) |
64 | int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); | |
65 | #else | |
66 | static inline int | |
67 | of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) | |
68 | { | |
69 | return 0; | |
70 | } | |
71 | #endif | |
72 | ||
cbe4097f LD |
73 | #if defined(CONFIG_OF_ADDRESS) |
74 | int of_pci_get_host_bridge_resources(struct device_node *dev, | |
75 | unsigned char busno, unsigned char bus_max, | |
76 | struct list_head *resources, resource_size_t *io_base); | |
40704b12 AB |
77 | #else |
78 | static inline int of_pci_get_host_bridge_resources(struct device_node *dev, | |
79 | unsigned char busno, unsigned char bus_max, | |
80 | struct list_head *resources, resource_size_t *io_base) | |
81 | { | |
82 | return -EINVAL; | |
83 | } | |
cbe4097f LD |
84 | #endif |
85 | ||
04bea68b | 86 | #endif |