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);
  19void of_pci_check_probe_only(void);
  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_check_probe_only(void) { }
  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#else
  63static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
  64                        unsigned char busno, unsigned char bus_max,
  65                        struct list_head *resources, resource_size_t *io_base)
  66{
  67        return -EINVAL;
  68}
  69#endif
  70
  71#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
  72int of_pci_msi_chip_add(struct msi_controller *chip);
  73void of_pci_msi_chip_remove(struct msi_controller *chip);
  74struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node);
  75#else
  76static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
  77static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
  78static inline struct msi_controller *
  79of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
  80#endif
  81
  82#endif
  83