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 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 #else 20 static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) 21 { 22 return 0; 23 } 24 25 static inline struct device_node *of_pci_find_child_device(struct device_node *parent, 26 unsigned int devfn) 27 { 28 return NULL; 29 } 30 31 static inline int of_pci_get_devfn(struct device_node *np) 32 { 33 return -EINVAL; 34 } 35 36 static inline int 37 of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) 38 { 39 return 0; 40 } 41 42 static inline int 43 of_pci_parse_bus_range(struct device_node *node, struct resource *res) 44 { 45 return -EINVAL; 46 } 47 48 static inline int 49 of_get_pci_domain_nr(struct device_node *node) 50 { 51 return -1; 52 } 53 #endif 54 55 #if defined(CONFIG_OF_ADDRESS) 56 int 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) 62 int of_pci_msi_chip_add(struct msi_controller *chip); 63 void of_pci_msi_chip_remove(struct msi_controller *chip); 64 struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node); 65 #else 66 static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; } 67 static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { } 68 static inline struct msi_controller * 69 of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; } 70 #endif 71 72 #endif 73