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_PCI
  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);
  19int of_pci_get_max_link_speed(struct device_node *node);
  20void of_pci_check_probe_only(void);
  21int of_pci_map_rid(struct device_node *np, u32 rid,
  22                   const char *map_name, const char *map_mask_name,
  23                   struct device_node **target, u32 *id_out);
  24#else
  25static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
  26{
  27        return 0;
  28}
  29
  30static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
  31                                             unsigned int devfn)
  32{
  33        return NULL;
  34}
  35
  36static inline int of_pci_get_devfn(struct device_node *np)
  37{
  38        return -EINVAL;
  39}
  40
  41static inline int
  42of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
  43{
  44        return 0;
  45}
  46
  47static inline int
  48of_pci_parse_bus_range(struct device_node *node, struct resource *res)
  49{
  50        return -EINVAL;
  51}
  52
  53static inline int
  54of_get_pci_domain_nr(struct device_node *node)
  55{
  56        return -1;
  57}
  58
  59static inline int of_pci_map_rid(struct device_node *np, u32 rid,
  60                        const char *map_name, const char *map_mask_name,
  61                        struct device_node **target, u32 *id_out)
  62{
  63        return -EINVAL;
  64}
  65
  66static inline int
  67of_pci_get_max_link_speed(struct device_node *node)
  68{
  69        return -EINVAL;
  70}
  71
  72static inline void of_pci_check_probe_only(void) { }
  73#endif
  74
  75#if defined(CONFIG_OF_ADDRESS)
  76int of_pci_get_host_bridge_resources(struct device_node *dev,
  77                        unsigned char busno, unsigned char bus_max,
  78                        struct list_head *resources, resource_size_t *io_base);
  79#else
  80static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
  81                        unsigned char busno, unsigned char bus_max,
  82                        struct list_head *resources, resource_size_t *io_base)
  83{
  84        return -EINVAL;
  85}
  86#endif
  87
  88#endif
  89