1 #ifndef __OF_PCI_H 2 #define __OF_PCI_H 3 4 #include <linux/pci.h> 5 #include <linux/msi.h> 6 7 struct pci_dev; 8 struct of_phandle_args; 9 struct device_node; 10 11 #ifdef CONFIG_OF_PCI 12 int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq); 13 struct device_node *of_pci_find_child_device(struct device_node *parent, 14 unsigned int devfn); 15 int of_pci_get_devfn(struct device_node *np); 16 int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); 17 int of_pci_parse_bus_range(struct device_node *node, struct resource *res); 18 int of_get_pci_domain_nr(struct device_node *node); 19 void of_pci_check_probe_only(void); 20 int of_pci_map_rid(struct device_node *np, u32 rid, 21 const char *map_name, const char *map_mask_name, 22 struct device_node **target, u32 *id_out); 23 #else 24 static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) 25 { 26 return 0; 27 } 28 29 static inline struct device_node *of_pci_find_child_device(struct device_node *parent, 30 unsigned int devfn) 31 { 32 return NULL; 33 } 34 35 static inline int of_pci_get_devfn(struct device_node *np) 36 { 37 return -EINVAL; 38 } 39 40 static inline int 41 of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) 42 { 43 return 0; 44 } 45 46 static inline int 47 of_pci_parse_bus_range(struct device_node *node, struct resource *res) 48 { 49 return -EINVAL; 50 } 51 52 static inline int 53 of_get_pci_domain_nr(struct device_node *node) 54 { 55 return -1; 56 } 57 58 static inline int of_pci_map_rid(struct device_node *np, u32 rid, 59 const char *map_name, const char *map_mask_name, 60 struct device_node **target, u32 *id_out) 61 { 62 return -EINVAL; 63 } 64 65 static inline void of_pci_check_probe_only(void) { } 66 #endif 67 68 #if defined(CONFIG_OF_ADDRESS) 69 int of_pci_get_host_bridge_resources(struct device_node *dev, 70 unsigned char busno, unsigned char bus_max, 71 struct list_head *resources, resource_size_t *io_base); 72 #else 73 static inline int of_pci_get_host_bridge_resources(struct device_node *dev, 74 unsigned char busno, unsigned char bus_max, 75 struct list_head *resources, resource_size_t *io_base) 76 { 77 return -EINVAL; 78 } 79 #endif 80 81 #if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI) 82 int of_pci_msi_chip_add(struct msi_controller *chip); 83 void of_pci_msi_chip_remove(struct msi_controller *chip); 84 struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node); 85 #else 86 static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; } 87 static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { } 88 static inline struct msi_controller * 89 of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; } 90 #endif 91 92 #endif 93