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
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_dma_configure(struct pci_dev *pci_dev);
20#else
21static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
22{
23	return 0;
24}
25
26static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
27					     unsigned int devfn)
28{
29	return NULL;
30}
31
32static inline int of_pci_get_devfn(struct device_node *np)
33{
34	return -EINVAL;
35}
36
37static inline int
38of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
39{
40	return 0;
41}
42
43static inline int
44of_pci_parse_bus_range(struct device_node *node, struct resource *res)
45{
46	return -EINVAL;
47}
48
49static inline int
50of_get_pci_domain_nr(struct device_node *node)
51{
52	return -1;
53}
54
55static inline void of_pci_dma_configure(struct pci_dev *pci_dev) { }
56#endif
57
58#if defined(CONFIG_OF_ADDRESS)
59int of_pci_get_host_bridge_resources(struct device_node *dev,
60			unsigned char busno, unsigned char bus_max,
61			struct list_head *resources, resource_size_t *io_base);
62#endif
63
64#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
65int of_pci_msi_chip_add(struct msi_controller *chip);
66void of_pci_msi_chip_remove(struct msi_controller *chip);
67struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node);
68#else
69static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
70static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
71static inline struct msi_controller *
72of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
73#endif
74
75#endif
76