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gerrit-public.fairphone.software / kernel / msm-4.9 / 4a428bf3d92385f27cbb15bef90754027ba4f2d9 / . / include / linux / of_pci.h
blob: ce0e5abeb4549d8fd7ef06ea5c46d6060389472a [file] [log] [blame]
Sebastian Andrzej Siewior04bea682011-01-24 09:58:55 +0530[diff] [blame]1#ifndef __OF_PCI_H
2#define __OF_PCI_H
3
4#include <linux/pci.h>
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +0200[diff] [blame]5#include <linux/msi.h>
Sebastian Andrzej Siewior04bea682011-01-24 09:58:55 +0530[diff] [blame]6
7struct pci_dev;
Grant Likely530210c2013-09-15 16:39:11 +0100[diff] [blame]8struct of_phandle_args;
Benjamin Herrenschmidt98d9f30c82011-04-11 11:37:07 +1000[diff] [blame]9struct device_node;
Arnd Bergmann64c5c752014-06-04 04:40:19 -0500[diff] [blame]10
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 +1000[diff] [blame]13struct device_node *of_pci_find_child_device(struct device_node *parent,
14 unsigned int devfn);
Thierry Reding45ab9702013-05-16 17:55:18 +0200[diff] [blame]15int of_pci_get_devfn(struct device_node *np);
Arnd Bergmann64c5c752014-06-04 04:40:19 -0500[diff] [blame]16int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
Thierry Reding4e23d3f2013-05-16 17:55:19 +0200[diff] [blame]17int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
Liviu Dudau41e5c0f2014-09-29 15:29:27 +0100[diff] [blame]18int of_get_pci_domain_nr(struct device_node *node);
Arnd Bergmann64c5c752014-06-04 04:40:19 -0500[diff] [blame]19#else
20static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
21{
22 return 0;
23}
24
25static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
26 unsigned int devfn)
27{
28 return NULL;
29}
30
31static inline int of_pci_get_devfn(struct device_node *np)
32{
33 return -EINVAL;
34}
35
36static inline int
37of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
38{
39 return 0;
40}
41
42static inline int
43of_pci_parse_bus_range(struct device_node *node, struct resource *res)
44{
45 return -EINVAL;
46}
Liviu Dudau41e5c0f2014-09-29 15:29:27 +0100[diff] [blame]47
48static inline int
49of_get_pci_domain_nr(struct device_node *node)
50{
51 return -1;
52}
Arnd Bergmann64c5c752014-06-04 04:40:19 -0500[diff] [blame]53#endif
Benjamin Herrenschmidt98d9f30c82011-04-11 11:37:07 +1000[diff] [blame]54
Liviu Dudaucbe40972014-09-29 15:29:28 +0100[diff] [blame]55#if defined(CONFIG_OF_ADDRESS)
56int of_pci_get_host_bridge_resources(struct device_node *dev,
57 unsigned char busno, unsigned char bus_max,
58 struct list_head *resources, resource_size_t *io_base);
59#endif
60
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +0200[diff] [blame]61#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
Yijing Wangc2791b82014-11-11 17:45:45 -0700[diff] [blame]62int of_pci_msi_chip_add(struct msi_controller *chip);
63void of_pci_msi_chip_remove(struct msi_controller *chip);
64struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node);
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +0200[diff] [blame]65#else
Yijing Wangc2791b82014-11-11 17:45:45 -0700[diff] [blame]66static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
67static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
68static inline struct msi_controller *
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +0200[diff] [blame]69of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
70#endif
71
Sebastian Andrzej Siewior04bea682011-01-24 09:58:55 +0530[diff] [blame]72#endif