diff options
Diffstat (limited to 'drivers/acpi/internal.h')
| -rw-r--r-- | drivers/acpi/internal.h | 287 |
1 files changed, 232 insertions, 55 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 3a50a34fe176..40f875b265a9 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -1,63 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * acpi/internal.h * For use by Linux/ACPI infrastructure, not drivers * * Copyright (c) 2009, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef _ACPI_INTERNAL_H_ #define _ACPI_INTERNAL_H_ -#define PREFIX "ACPI: " +#include <linux/idr.h> -int init_acpi_device_notify(void); -int acpi_scan_init(void); -#ifdef CONFIG_ACPI_PCI_SLOT -void acpi_pci_slot_init(void); -#else -static inline void acpi_pci_slot_init(void) { } -#endif +extern struct acpi_device *acpi_root; + +int early_acpi_osi_init(void); +int acpi_osi_init(void); +acpi_status acpi_os_initialize1(void); +void acpi_scan_init(void); +#ifdef CONFIG_PCI void acpi_pci_root_init(void); void acpi_pci_link_init(void); -void acpi_pci_root_hp_init(void); +#else +static inline void acpi_pci_root_init(void) {} +static inline void acpi_pci_link_init(void) {} +#endif void acpi_processor_init(void); void acpi_platform_init(void); +void acpi_pnp_init(void); int acpi_sysfs_init(void); -#ifdef CONFIG_ACPI_CONTAINER +void acpi_gpe_apply_masked_gpes(void); void acpi_container_init(void); +void acpi_memory_hotplug_init(void); +#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC +void pci_ioapic_remove(struct acpi_pci_root *root); +int acpi_ioapic_remove(struct acpi_pci_root *root); #else -static inline void acpi_container_init(void) {} +static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; } +static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } #endif #ifdef CONFIG_ACPI_DOCK -void acpi_dock_init(void); -#else -static inline void acpi_dock_init(void) {} -#endif -#ifdef CONFIG_ACPI_HOTPLUG_MEMORY -void acpi_memory_hotplug_init(void); +void register_dock_dependent_device(struct acpi_device *adev, + acpi_handle dshandle); +int dock_notify(struct acpi_device *adev, u32 event); +void acpi_dock_add(struct acpi_device *adev); #else -static inline void acpi_memory_hotplug_init(void) {} +static inline void register_dock_dependent_device(struct acpi_device *adev, + acpi_handle dshandle) {} +static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } +static inline void acpi_dock_add(struct acpi_device *adev) {} #endif #ifdef CONFIG_X86 void acpi_cmos_rtc_init(void); #else static inline void acpi_cmos_rtc_init(void) {} #endif - -extern bool acpi_force_hot_remove; +int acpi_rev_override_setup(char *str); void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, const char *name); @@ -67,101 +64,281 @@ void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); #ifdef CONFIG_DEBUG_FS extern struct dentry *acpi_debugfs_dir; -int acpi_debugfs_init(void); +void acpi_debugfs_init(void); #else static inline void acpi_debugfs_init(void) { return; } #endif -#ifdef CONFIG_X86_INTEL_LPSS + +#if defined(CONFIG_X86) && defined(CONFIG_PCI) void acpi_lpss_init(void); #else static inline void acpi_lpss_init(void) {} #endif +void acpi_apd_init(void); + +acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); +bool acpi_queue_hotplug_work(struct work_struct *work); +void acpi_device_hotplug(struct acpi_device *adev, u32 src); +bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); + +acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context); +void acpi_scan_table_notify(void); + +int acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); +int acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); +int acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); +int acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); + +#ifdef CONFIG_ARM64 +int acpi_arch_thermal_cpufreq_pctg(void); +#else +static inline int acpi_arch_thermal_cpufreq_pctg(void) +{ + return 0; +} +#endif + /* -------------------------------------------------------------------------- Device Node Initialization / Removal -------------------------------------------------------------------------- */ #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) -int acpi_device_add(struct acpi_device *device, - void (*release)(struct device *)); +extern struct list_head acpi_bus_id_list; + +struct acpi_device_bus_id { + const char *bus_id; + struct ida instance_ida; + struct list_head node; +}; + void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, - int type, unsigned long long sta); + int type, void (*release)(struct device *)); +int acpi_tie_acpi_dev(struct acpi_device *adev); +int acpi_device_add(struct acpi_device *device); +void acpi_device_setup_files(struct acpi_device *dev); +void acpi_device_remove_files(struct acpi_device *dev); +extern const struct attribute_group *acpi_groups[]; void acpi_device_add_finalize(struct acpi_device *device); void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); -int acpi_bind_one(struct device *dev, acpi_handle handle); -int acpi_unbind_one(struct device *dev); +bool acpi_device_is_enabled(const struct acpi_device *adev); +bool acpi_device_is_present(const struct acpi_device *adev); +bool acpi_device_is_battery(struct acpi_device *adev); +bool acpi_device_is_first_physical_node(struct acpi_device *adev, + const struct device *dev); +int acpi_bus_register_early_device(int type); + +/* -------------------------------------------------------------------------- + Device Matching and Notification + -------------------------------------------------------------------------- */ +const struct acpi_device *acpi_companion_match(const struct device *dev); +int __acpi_device_uevent_modalias(const struct acpi_device *adev, + struct kobj_uevent_env *env); /* -------------------------------------------------------------------------- Power Resource -------------------------------------------------------------------------- */ -int acpi_power_init(void); +void acpi_power_resources_init(void); void acpi_power_resources_list_free(struct list_head *list); int acpi_extract_power_resources(union acpi_object *package, unsigned int start, struct list_head *list); -int acpi_add_power_resource(acpi_handle handle); +struct acpi_device *acpi_add_power_resource(acpi_handle handle); void acpi_power_add_remove_device(struct acpi_device *adev, bool add); int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); int acpi_device_sleep_wake(struct acpi_device *dev, - int enable, int sleep_state, int dev_state); + int enable, int sleep_state, int dev_state); int acpi_power_get_inferred_state(struct acpi_device *device, int *state); int acpi_power_on_resources(struct acpi_device *device, int state); int acpi_power_transition(struct acpi_device *device, int state); +void acpi_turn_off_unused_power_resources(void); +/* -------------------------------------------------------------------------- + Device Power Management + -------------------------------------------------------------------------- */ +int acpi_device_get_power(struct acpi_device *device, int *state); int acpi_wakeup_device_init(void); + +/* -------------------------------------------------------------------------- + Processor + -------------------------------------------------------------------------- */ +#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC +void acpi_early_processor_control_setup(void); void acpi_early_processor_set_pdc(void); +#ifdef CONFIG_X86 +void acpi_proc_quirk_mwait_check(void); +#else +static inline void acpi_proc_quirk_mwait_check(void) {} +#endif +bool processor_physically_present(acpi_handle handle); +#else +static inline void acpi_early_processor_control_setup(void) {} +#endif + +#ifdef CONFIG_ACPI_PROCESSOR_CSTATE +void acpi_idle_rescan_dead_smt_siblings(void); +#else +static inline void acpi_idle_rescan_dead_smt_siblings(void) {} +#endif /* -------------------------------------------------------------------------- Embedded Controller -------------------------------------------------------------------------- */ + +enum acpi_ec_event_state { + EC_EVENT_READY = 0, /* Event work can be submitted */ + EC_EVENT_IN_PROGRESS, /* Event work is pending or being processed */ + EC_EVENT_COMPLETE, /* Event work processing has completed */ +}; + struct acpi_ec { acpi_handle handle; - unsigned long gpe; + int gpe; + int irq; unsigned long command_addr; unsigned long data_addr; - unsigned long global_lock; + bool global_lock; unsigned long flags; + unsigned long reference_count; struct mutex mutex; wait_queue_head_t wait; struct list_head list; struct transaction *curr; spinlock_t lock; + struct work_struct work; + unsigned long timestamp; + enum acpi_ec_event_state event_state; + unsigned int events_to_process; + unsigned int events_in_progress; + unsigned int queries_in_progress; + bool busy_polling; + unsigned int polling_guard; }; extern struct acpi_ec *first_ec; -int acpi_ec_init(void); -int acpi_ec_ecdt_probe(void); -int acpi_boot_ec_enable(void); +/* If we find an EC via the ECDT, we need to keep a ptr to its context */ +/* External interfaces use first EC only, so remember */ +typedef int (*acpi_ec_query_func) (void *data); + +#ifdef CONFIG_ACPI_EC + +void acpi_ec_init(void); +void acpi_ec_ecdt_probe(void); +void acpi_ec_dsdt_probe(void); void acpi_ec_block_transactions(void); void acpi_ec_unblock_transactions(void); -void acpi_ec_unblock_transactions_early(void); +int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, + acpi_handle handle, acpi_ec_query_func func, + void *data); +void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); +void acpi_ec_register_opregions(struct acpi_device *adev); + +#ifdef CONFIG_PM_SLEEP +void acpi_ec_flush_work(void); +bool acpi_ec_dispatch_gpe(void); +#endif + +#else + +static inline void acpi_ec_init(void) {} +static inline void acpi_ec_ecdt_probe(void) {} +static inline void acpi_ec_dsdt_probe(void) {} +static inline void acpi_ec_block_transactions(void) {} +static inline void acpi_ec_unblock_transactions(void) {} +static inline int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, + acpi_handle handle, acpi_ec_query_func func, + void *data) +{ + return -ENXIO; +} +static inline void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) {} +static inline void acpi_ec_register_opregions(struct acpi_device *adev) {} + +static inline void acpi_ec_flush_work(void) {} +static inline bool acpi_ec_dispatch_gpe(void) +{ + return false; +} + +#endif /*-------------------------------------------------------------------------- Suspend/Resume -------------------------------------------------------------------------- */ +#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT +extern bool acpi_s2idle_wakeup(void); extern int acpi_sleep_init(void); +#else +static inline bool acpi_s2idle_wakeup(void) { return false; } +static inline int acpi_sleep_init(void) { return -ENXIO; } +#endif #ifdef CONFIG_ACPI_SLEEP -int acpi_sleep_proc_init(void); +void acpi_sleep_proc_init(void); int suspend_nvs_alloc(void); void suspend_nvs_free(void); int suspend_nvs_save(void); void suspend_nvs_restore(void); #else -static inline int acpi_sleep_proc_init(void) { return 0; } +static inline void acpi_sleep_proc_init(void) {} static inline int suspend_nvs_alloc(void) { return 0; } static inline void suspend_nvs_free(void) {} static inline int suspend_nvs_save(void) { return 0; } static inline void suspend_nvs_restore(void) {} #endif +#ifdef CONFIG_X86 +bool force_storage_d3(void); +#else +static inline bool force_storage_d3(void) +{ + return false; +} +#endif + /*-------------------------------------------------------------------------- - Platform bus support + Device properties -------------------------------------------------------------------------- */ -struct platform_device; +#define ACPI_DT_NAMESPACE_HID "PRP0001" + +void acpi_init_properties(struct acpi_device *adev); +void acpi_free_properties(struct acpi_device *adev); -int acpi_create_platform_device(struct acpi_device *adev, - const struct acpi_device_id *id); +#ifdef CONFIG_X86 +void acpi_extract_apple_properties(struct acpi_device *adev); +#else +static inline void acpi_extract_apple_properties(struct acpi_device *adev) {} +#endif + +/*-------------------------------------------------------------------------- + Watchdog + -------------------------------------------------------------------------- */ + +#ifdef CONFIG_ACPI_WATCHDOG +void acpi_watchdog_init(void); +#else +static inline void acpi_watchdog_init(void) {} +#endif + +#ifdef CONFIG_ACPI_LPIT +void acpi_init_lpit(void); +#else +static inline void acpi_init_lpit(void) { } +#endif + +/*-------------------------------------------------------------------------- + ACPI _CRS CSI-2 and MIPI DisCo for Imaging + -------------------------------------------------------------------------- */ + +void acpi_mipi_check_crs_csi2(acpi_handle handle); +void acpi_mipi_scan_crs_csi2(void); +void acpi_mipi_init_crs_csi2_swnodes(void); +void acpi_mipi_crs_csi2_cleanup(void); +#ifdef CONFIG_X86 +bool acpi_graph_ignore_port(acpi_handle handle); +#else +static inline bool acpi_graph_ignore_port(acpi_handle handle) { return false; } +#endif #endif /* _ACPI_INTERNAL_H_ */ |