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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/acpi/internal.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/acpi/internal.h')
-rw-r--r--drivers/acpi/internal.h265
1 files changed, 265 insertions, 0 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
new file mode 100644
index 000000000..913613cf5
--- /dev/null
+++ b/drivers/acpi/internal.h
@@ -0,0 +1,265 @@
+/*
+ * 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.
+ *
+ */
+
+#ifndef _ACPI_INTERNAL_H_
+#define _ACPI_INTERNAL_H_
+
+#include <linux/idr.h>
+
+#define PREFIX "ACPI: "
+
+int early_acpi_osi_init(void);
+int acpi_osi_init(void);
+acpi_status acpi_os_initialize1(void);
+void init_acpi_device_notify(void);
+int acpi_scan_init(void);
+void acpi_pci_root_init(void);
+void acpi_pci_link_init(void);
+void acpi_processor_init(void);
+void acpi_platform_init(void);
+void acpi_pnp_init(void);
+void acpi_int340x_thermal_init(void);
+#ifdef CONFIG_ARM_AMBA
+void acpi_amba_init(void);
+#else
+static inline void acpi_amba_init(void) {}
+#endif
+int acpi_sysfs_init(void);
+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 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 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 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
+int acpi_rev_override_setup(char *str);
+
+void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
+ const char *name);
+int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
+ const char *hotplug_profile_name);
+void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
+
+#ifdef CONFIG_DEBUG_FS
+extern struct dentry *acpi_debugfs_dir;
+void acpi_debugfs_init(void);
+#else
+static inline void acpi_debugfs_init(void) { return; }
+#endif
+void acpi_lpss_init(void);
+
+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_handler(u32 event, void *table, void *context);
+
+/* --------------------------------------------------------------------------
+ Device Node Initialization / Removal
+ -------------------------------------------------------------------------- */
+#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
+ ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
+
+extern struct list_head acpi_bus_id_list;
+
+#define ACPI_MAX_DEVICE_INSTANCES 4096
+
+struct acpi_device_bus_id {
+ const char *bus_id;
+ struct ida instance_ida;
+ struct list_head node;
+};
+
+int acpi_device_add(struct acpi_device *device,
+ void (*release)(struct device *));
+void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
+ int type, unsigned long long sta);
+int acpi_device_setup_files(struct acpi_device *dev);
+void acpi_device_remove_files(struct acpi_device *dev);
+void acpi_device_add_finalize(struct acpi_device *device);
+void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
+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
+ -------------------------------------------------------------------------- */
+struct acpi_device *acpi_companion_match(const struct device *dev);
+int __acpi_device_uevent_modalias(struct acpi_device *adev,
+ struct kobj_uevent_env *env);
+
+/* --------------------------------------------------------------------------
+ Power Resource
+ -------------------------------------------------------------------------- */
+int acpi_power_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);
+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 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);
+
+int acpi_wakeup_device_init(void);
+
+#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
+void acpi_early_processor_set_pdc(void);
+#else
+static inline void acpi_early_processor_set_pdc(void) {}
+#endif
+
+#ifdef CONFIG_X86
+void acpi_early_processor_osc(void);
+#else
+static inline void acpi_early_processor_osc(void) {}
+#endif
+
+/* --------------------------------------------------------------------------
+ Embedded Controller
+ -------------------------------------------------------------------------- */
+struct acpi_ec {
+ acpi_handle handle;
+ u32 gpe;
+ unsigned long command_addr;
+ unsigned long data_addr;
+ 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;
+ unsigned long nr_pending_queries;
+ bool busy_polling;
+ unsigned int polling_guard;
+};
+
+extern struct acpi_ec *first_ec;
+
+/* 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);
+
+int acpi_ec_init(void);
+int acpi_ec_ecdt_probe(void);
+int acpi_ec_dsdt_probe(void);
+void acpi_ec_block_transactions(void);
+void acpi_ec_unblock_transactions(void);
+void acpi_ec_mark_gpe_for_wake(void);
+void acpi_ec_set_gpe_wake_mask(u8 action);
+void acpi_ec_dispatch_gpe(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);
+
+#ifdef CONFIG_PM_SLEEP
+void acpi_ec_flush_work(void);
+#endif
+
+
+/*--------------------------------------------------------------------------
+ Suspend/Resume
+ -------------------------------------------------------------------------- */
+#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
+extern bool acpi_s2idle_wakeup(void);
+extern bool acpi_sleep_no_ec_events(void);
+extern int acpi_sleep_init(void);
+#else
+static inline bool acpi_s2idle_wakeup(void) { return false; }
+static inline bool acpi_sleep_no_ec_events(void) { return true; }
+static inline int acpi_sleep_init(void) { return -ENXIO; }
+#endif
+
+#ifdef CONFIG_ACPI_SLEEP
+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 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
+
+/*--------------------------------------------------------------------------
+ Device properties
+ -------------------------------------------------------------------------- */
+#define ACPI_DT_NAMESPACE_HID "PRP0001"
+
+void acpi_init_properties(struct acpi_device *adev);
+void acpi_free_properties(struct acpi_device *adev);
+
+#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
+
+#endif /* _ACPI_INTERNAL_H_ */