Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __OF_PCI_H
3#define __OF_PCI_H
4
5#include <linux/pci.h>
6#include <linux/msi.h>
7
8struct pci_dev;
9struct of_phandle_args;
10struct device_node;
11
12#ifdef CONFIG_OF_PCI
13int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
14struct device_node *of_pci_find_child_device(struct device_node *parent,
15 unsigned int devfn);
16int of_pci_get_devfn(struct device_node *np);
17int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
18int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
19int of_get_pci_domain_nr(struct device_node *node);
20int of_pci_get_max_link_speed(struct device_node *node);
21void of_pci_check_probe_only(void);
22int of_pci_map_rid(struct device_node *np, u32 rid,
23 const char *map_name, const char *map_mask_name,
24 struct device_node **target, u32 *id_out);
25#else
26static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
27{
28 return 0;
29}
30
31static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
32 unsigned int devfn)
33{
34 return NULL;
35}
36
37static inline int of_pci_get_devfn(struct device_node *np)
38{
39 return -EINVAL;
40}
41
42static inline int
43of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
44{
45 return 0;
46}
47
48static inline int
49of_pci_parse_bus_range(struct device_node *node, struct resource *res)
50{
51 return -EINVAL;
52}
53
54static inline int
55of_get_pci_domain_nr(struct device_node *node)
56{
57 return -1;
58}
59
60static inline int of_pci_map_rid(struct device_node *np, u32 rid,
61 const char *map_name, const char *map_mask_name,
62 struct device_node **target, u32 *id_out)
63{
64 return -EINVAL;
65}
66
67static inline int
68of_pci_get_max_link_speed(struct device_node *node)
69{
70 return -EINVAL;
71}
72
73static inline void of_pci_check_probe_only(void) { }
74#endif
75
76#if defined(CONFIG_OF_ADDRESS)
77int of_pci_get_host_bridge_resources(struct device_node *dev,
78 unsigned char busno, unsigned char bus_max,
79 struct list_head *resources, resource_size_t *io_base);
80#else
81static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
82 unsigned char busno, unsigned char bus_max,
83 struct list_head *resources, resource_size_t *io_base)
84{
85 return -EINVAL;
86}
87#endif
88
89#endif