Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#ifndef __OF_PCI_H
2#define __OF_PCI_H
3
4#include <linux/pci.h>
5#include <linux/msi.h>
6
7struct pci_dev;
8struct of_phandle_args;
9struct device_node;
10
11#ifdef CONFIG_OF_PCI
12int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
13struct device_node *of_pci_find_child_device(struct device_node *parent,
14 unsigned int devfn);
15int of_pci_get_devfn(struct device_node *np);
16int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
17int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
18int of_get_pci_domain_nr(struct device_node *node);
19int of_pci_get_max_link_speed(struct device_node *node);
20void of_pci_check_probe_only(void);
21int of_pci_map_rid(struct device_node *np, u32 rid,
22 const char *map_name, const char *map_mask_name,
23 struct device_node **target, u32 *id_out);
24#else
25static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
26{
27 return 0;
28}
29
30static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
31 unsigned int devfn)
32{
33 return NULL;
34}
35
36static inline int of_pci_get_devfn(struct device_node *np)
37{
38 return -EINVAL;
39}
40
41static inline int
42of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
43{
44 return 0;
45}
46
47static inline int
48of_pci_parse_bus_range(struct device_node *node, struct resource *res)
49{
50 return -EINVAL;
51}
52
53static inline int
54of_get_pci_domain_nr(struct device_node *node)
55{
56 return -1;
57}
58
59static inline int of_pci_map_rid(struct device_node *np, u32 rid,
60 const char *map_name, const char *map_mask_name,
61 struct device_node **target, u32 *id_out)
62{
63 return -EINVAL;
64}
65
66static inline int
67of_pci_get_max_link_speed(struct device_node *node)
68{
69 return -EINVAL;
70}
71
72static inline void of_pci_check_probe_only(void) { }
73#endif
74
75#if defined(CONFIG_OF_ADDRESS)
76int of_pci_get_host_bridge_resources(struct device_node *dev,
77 unsigned char busno, unsigned char bus_max,
78 struct list_head *resources, resource_size_t *io_base);
79#else
80static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
81 unsigned char busno, unsigned char bus_max,
82 struct list_head *resources, resource_size_t *io_base)
83{
84 return -EINVAL;
85}
86#endif
87
88#endif