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 void of_pci_dma_configure(struct pci_dev *pci_dev); 20 #else 21 static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) 22 { 23 return 0; 24 } 25 26 static inline struct device_node *of_pci_find_child_device(struct device_node *parent, 27 unsigned int devfn) 28 { 29 return NULL; 30 } 31 32 static inline int of_pci_get_devfn(struct device_node *np) 33 { 34 return -EINVAL; 35 } 36 37 static inline int 38 of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) 39 { 40 return 0; 41 } 42 43 static inline int 44 of_pci_parse_bus_range(struct device_node *node, struct resource *res) 45 { 46 return -EINVAL; 47 } 48 49 static inline int 50 of_get_pci_domain_nr(struct device_node *node) 51 { 52 return -1; 53 } 54 55 static inline void of_pci_dma_configure(struct pci_dev *pci_dev) { } 56 #endif 57 58 #if defined(CONFIG_OF_ADDRESS) 59 int 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 #endif 63 64 #if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI) 65 int of_pci_msi_chip_add(struct msi_controller *chip); 66 void of_pci_msi_chip_remove(struct msi_controller *chip); 67 struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node); 68 #else 69 static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; } 70 static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { } 71 static inline struct msi_controller * 72 of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; } 73 #endif 74 75 #endif 76