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);
19void of_pci_check_probe_only(void);
20int 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);
23#else
24static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
25{
26 return 0;
27}
28
29static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
30 unsigned int devfn)
31{
32 return NULL;
33}
34
35static inline int of_pci_get_devfn(struct device_node *np)
36{
37 return -EINVAL;
38}
39
40static inline int
41of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
42{
43 return 0;
44}
45
46static inline int
47of_pci_parse_bus_range(struct device_node *node, struct resource *res)
48{
49 return -EINVAL;
50}
51
52static inline int
53of_get_pci_domain_nr(struct device_node *node)
54{
55 return -1;
56}
57
58static inline int of_pci_map_rid(struct device_node *np, u32 rid,
59 const char *map_name, const char *map_mask_name,
60 struct device_node **target, u32 *id_out)
61{
62 return -EINVAL;
63}
64
65static inline void of_pci_check_probe_only(void) { }
66#endif
67
68#if defined(CONFIG_OF_ADDRESS)
69int of_pci_get_host_bridge_resources(struct device_node *dev,
70 unsigned char busno, unsigned char bus_max,
71 struct list_head *resources, resource_size_t *io_base);
72#else
73static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
74 unsigned char busno, unsigned char bus_max,
75 struct list_head *resources, resource_size_t *io_base)
76{
77 return -EINVAL;
78}
79#endif
80
81#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
82int of_pci_msi_chip_add(struct msi_controller *chip);
83void of_pci_msi_chip_remove(struct msi_controller *chip);
84struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node);
85#else
86static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
87static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
88static inline struct msi_controller *
89of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
90#endif
91
92#endif