LXR linux/include/linux/of

   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);
  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}
  47
  48static inline int
  49of_get_pci_domain_nr(struct device_node *node)
  50{
  51        return -1;
  52}
  53#endif
  54
  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
  61#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
  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);
  65#else
  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 *
  69of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
  70#endif
  71
  72#endif
  73