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Sebastian Andrzej Siewior04bea682011-01-24 09:58:55 +05301#ifndef __OF_PCI_H
2#define __OF_PCI_H
3
4#include <linux/pci.h>
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +02005#include <linux/msi.h>
Sebastian Andrzej Siewior04bea682011-01-24 09:58:55 +05306
7struct pci_dev;
Grant Likely530210c2013-09-15 16:39:11 +01008struct of_phandle_args;
Benjamin Herrenschmidt98d9f30c82011-04-11 11:37:07 +10009struct device_node;
Arnd Bergmann64c5c752014-06-04 04:40:19 -050010
11#ifdef CONFIG_OF
12int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
Benjamin Herrenschmidt98d9f30c82011-04-11 11:37:07 +100013struct device_node *of_pci_find_child_device(struct device_node *parent,
14 unsigned int devfn);
Thierry Reding45ab9702013-05-16 17:55:18 +020015int of_pci_get_devfn(struct device_node *np);
Arnd Bergmann64c5c752014-06-04 04:40:19 -050016int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
Thierry Reding4e23d3f2013-05-16 17:55:19 +020017int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
Arnd Bergmann64c5c752014-06-04 04:40:19 -050018#else
19static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
20{
21 return 0;
22}
23
24static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
25 unsigned int devfn)
26{
27 return NULL;
28}
29
30static inline int of_pci_get_devfn(struct device_node *np)
31{
32 return -EINVAL;
33}
34
35static inline int
36of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
37{
38 return 0;
39}
40
41static inline int
42of_pci_parse_bus_range(struct device_node *node, struct resource *res)
43{
44 return -EINVAL;
45}
46#endif
Benjamin Herrenschmidt98d9f30c82011-04-11 11:37:07 +100047
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +020048#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
49int of_pci_msi_chip_add(struct msi_chip *chip);
50void of_pci_msi_chip_remove(struct msi_chip *chip);
51struct msi_chip *of_pci_find_msi_chip_by_node(struct device_node *of_node);
52#else
53static inline int of_pci_msi_chip_add(struct msi_chip *chip) { return -EINVAL; }
54static inline void of_pci_msi_chip_remove(struct msi_chip *chip) { }
55static inline struct msi_chip *
56of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
57#endif
58
Sebastian Andrzej Siewior04bea682011-01-24 09:58:55 +053059#endif