Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / c49b8fc26e115a37eca6f7bcef1847eb80f2a4fd / . / include / linux / of_pci.h
blob: 29fd3fe1c035d10361e9926ee879d9b6c4c70662 [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);
Murali Karicheric49b8fc2015-03-03 12:52:12 -0500[diff] [blame^]19void of_pci_dma_configure(struct pci_dev *pci_dev);
Arnd Bergmann64c5c752014-06-04 04:40:19 -0500[diff] [blame]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}
Liviu Dudau41e5c0f2014-09-29 15:29:27 +0100[diff] [blame]48
49static inline int
50of_get_pci_domain_nr(struct device_node *node)
51{
52 return -1;
53}
Murali Karicheric49b8fc2015-03-03 12:52:12 -0500[diff] [blame^]54
55static inline void of_pci_dma_configure(struct pci_dev *pci_dev) { }
Arnd Bergmann64c5c752014-06-04 04:40:19 -0500[diff] [blame]56#endif
Benjamin Herrenschmidt98d9f30c82011-04-11 11:37:07 +1000[diff] [blame]57
Liviu Dudaucbe40972014-09-29 15:29:28 +0100[diff] [blame]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
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +0200[diff] [blame]64#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
Yijing Wangc2791b82014-11-11 17:45:45 -0700[diff] [blame]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);
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +0200[diff] [blame]68#else
Yijing Wangc2791b82014-11-11 17:45:45 -0700[diff] [blame]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 *
Thomas Petazzoni0d5a6db2013-08-09 22:27:09 +0200[diff] [blame]72of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
73#endif
74
Sebastian Andrzej Siewior04bea682011-01-24 09:58:55 +0530[diff] [blame]75#endif