/* SPDX-License-Identifier: GPL-2.0 */ /* * Linux Plug and Play Support * Copyright by Adam Belay <[email protected]> * Copyright (C) 2008 Hewlett-Packard Development Company, L.P. * Bjorn Helgaas <[email protected]> */ #ifndef _LINUX_PNP_H #define _LINUX_PNP_H #include <linux/device.h> #include <linux/list.h> #include <linux/errno.h> #include <linux/mod_devicetable.h> #include <linux/console.h> #define PNP_NAME_LEN … struct pnp_protocol; struct pnp_dev; /* * Resource Management */ #ifdef CONFIG_PNP struct resource *pnp_get_resource(struct pnp_dev *dev, unsigned long type, unsigned int num); #else static inline struct resource *pnp_get_resource(struct pnp_dev *dev, unsigned long type, unsigned int num) { return NULL; } #endif static inline int pnp_resource_valid(struct resource *res) { … } static inline int pnp_resource_enabled(struct resource *res) { … } static inline resource_size_t pnp_resource_len(struct resource *res) { … } static inline resource_size_t pnp_port_start(struct pnp_dev *dev, unsigned int bar) { … } static inline resource_size_t pnp_port_end(struct pnp_dev *dev, unsigned int bar) { … } static inline unsigned long pnp_port_flags(struct pnp_dev *dev, unsigned int bar) { … } static inline int pnp_port_valid(struct pnp_dev *dev, unsigned int bar) { … } static inline resource_size_t pnp_port_len(struct pnp_dev *dev, unsigned int bar) { … } static inline resource_size_t pnp_mem_start(struct pnp_dev *dev, unsigned int bar) { … } static inline resource_size_t pnp_mem_end(struct pnp_dev *dev, unsigned int bar) { … } static inline unsigned long pnp_mem_flags(struct pnp_dev *dev, unsigned int bar) { … } static inline int pnp_mem_valid(struct pnp_dev *dev, unsigned int bar) { … } static inline resource_size_t pnp_mem_len(struct pnp_dev *dev, unsigned int bar) { … } static inline resource_size_t pnp_irq(struct pnp_dev *dev, unsigned int bar) { … } static inline unsigned long pnp_irq_flags(struct pnp_dev *dev, unsigned int bar) { … } static inline int pnp_irq_valid(struct pnp_dev *dev, unsigned int bar) { … } static inline resource_size_t pnp_dma(struct pnp_dev *dev, unsigned int bar) { … } static inline unsigned long pnp_dma_flags(struct pnp_dev *dev, unsigned int bar) { … } static inline int pnp_dma_valid(struct pnp_dev *dev, unsigned int bar) { … } /* * Device Management */ struct pnp_card { … }; #define global_to_pnp_card(n) … #define protocol_to_pnp_card(n) … #define to_pnp_card(n) … #define pnp_for_each_card(card) … struct pnp_card_link { … }; static inline void *pnp_get_card_drvdata(struct pnp_card_link *pcard) { … } static inline void pnp_set_card_drvdata(struct pnp_card_link *pcard, void *data) { … } struct pnp_dev { … }; #define global_to_pnp_dev(n) … #define card_to_pnp_dev(n) … #define protocol_to_pnp_dev(n) … #define to_pnp_dev(n) … #define pnp_for_each_dev(dev) … #define card_for_each_dev(card, dev) … #define pnp_dev_name(dev) … static inline void *pnp_get_drvdata(struct pnp_dev *pdev) { … } static inline void pnp_set_drvdata(struct pnp_dev *pdev, void *data) { … } struct pnp_fixup { … }; /* config parameters */ #define PNP_CONFIG_NORMAL … #define PNP_CONFIG_FORCE … /* capabilities */ #define PNP_READ … #define PNP_WRITE … #define PNP_DISABLE … #define PNP_CONFIGURABLE … #define PNP_REMOVABLE … #define PNP_CONSOLE … #define pnp_can_read(dev) … #define pnp_can_write(dev) … #define pnp_can_disable(dev) … #define pnp_can_configure(dev) … #define pnp_can_suspend(dev) … #ifdef CONFIG_ISAPNP extern struct pnp_protocol isapnp_protocol; #define pnp_device_is_isapnp(dev) … #else #define pnp_device_is_isapnp … #endif extern struct mutex pnp_res_mutex; #ifdef CONFIG_PNPBIOS extern struct pnp_protocol pnpbios_protocol; extern bool arch_pnpbios_disabled(void); #define pnp_device_is_pnpbios … #else #define pnp_device_is_pnpbios(dev) … #define arch_pnpbios_disabled() … #endif #ifdef CONFIG_PNPACPI extern struct pnp_protocol pnpacpi_protocol; static inline struct acpi_device *pnp_acpi_device(struct pnp_dev *dev) { … } #else #define pnp_acpi_device … #endif /* status */ #define PNP_READY … #define PNP_ATTACHED … #define PNP_BUSY … #define PNP_FAULTY … /* isapnp specific macros */ #define isapnp_card_number(dev) … #define isapnp_csn_number(dev) … /* * Driver Management */ struct pnp_id { … }; struct pnp_driver { … }; #define to_pnp_driver(drv) … struct pnp_card_driver { … }; #define to_pnp_card_driver(drv) … /* pnp driver flags */ #define PNP_DRIVER_RES_DO_NOT_CHANGE … #define PNP_DRIVER_RES_DISABLE … /* * Protocol Management */ struct pnp_protocol { … }; #define to_pnp_protocol(n) … #define protocol_for_each_card(protocol, card) … #define protocol_for_each_dev(protocol, dev) … #if defined(CONFIG_PNP) /* device management */ int pnp_device_attach(struct pnp_dev *pnp_dev); void pnp_device_detach(struct pnp_dev *pnp_dev); extern struct list_head pnp_global; extern int pnp_platform_devices; /* multidevice card support */ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, const char *id, struct pnp_dev *from); void pnp_release_card_device(struct pnp_dev *dev); int pnp_register_card_driver(struct pnp_card_driver *drv); void pnp_unregister_card_driver(struct pnp_card_driver *drv); extern struct list_head pnp_cards; /* resource management */ int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t base, resource_size_t size); int pnp_auto_config_dev(struct pnp_dev *dev); int pnp_start_dev(struct pnp_dev *dev); int pnp_stop_dev(struct pnp_dev *dev); int pnp_activate_dev(struct pnp_dev *dev); int pnp_disable_dev(struct pnp_dev *dev); int pnp_range_reserved(resource_size_t start, resource_size_t end); /* protocol helpers */ int pnp_is_active(struct pnp_dev *dev); int compare_pnp_id(struct pnp_id *pos, const char *id); int pnp_register_driver(struct pnp_driver *drv); void pnp_unregister_driver(struct pnp_driver *drv); bool dev_is_pnp(const struct device *dev); #else /* device management */ static inline int pnp_device_attach(struct pnp_dev *pnp_dev) { return -ENODEV; } static inline void pnp_device_detach(struct pnp_dev *pnp_dev) { } #define pnp_platform_devices … /* multidevice card support */ static inline struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, const char *id, struct pnp_dev *from) { return NULL; } static inline void pnp_release_card_device(struct pnp_dev *dev) { } static inline int pnp_register_card_driver(struct pnp_card_driver *drv) { return -ENODEV; } static inline void pnp_unregister_card_driver(struct pnp_card_driver *drv) { } /* resource management */ static inline int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t base, resource_size_t size) { return 0; } static inline int pnp_auto_config_dev(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_range_reserved(resource_size_t start, resource_size_t end) { return 0; } /* protocol helpers */ static inline int pnp_is_active(struct pnp_dev *dev) { return 0; } static inline int compare_pnp_id(struct pnp_id *pos, const char *id) { return -ENODEV; } static inline int pnp_register_driver(struct pnp_driver *drv) { return -ENODEV; } static inline void pnp_unregister_driver(struct pnp_driver *drv) { } static inline bool dev_is_pnp(const struct device *dev) { return false; } #endif /* CONFIG_PNP */ /** * module_pnp_driver() - Helper macro for registering a PnP driver * @__pnp_driver: pnp_driver struct * * Helper macro for PnP drivers which do not do anything special in module * init/exit. This eliminates a lot of boilerplate. Each module may only * use this macro once, and calling it replaces module_init() and module_exit() */ #define module_pnp_driver(__pnp_driver) … #endif /* _LINUX_PNP_H */
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