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-rw-r--r--drivers/acpi/internal.h184
1 files changed, 141 insertions, 43 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 58dd7ab3c653..40f875b265a9 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -1,41 +1,32 @@
+/* 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.
- *
*/
#ifndef _ACPI_INTERNAL_H_
#define _ACPI_INTERNAL_H_
-#define PREFIX "ACPI: "
+#include <linux/idr.h>
+
+extern struct acpi_device *acpi_root;
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_scan_init(void);
+#ifdef CONFIG_PCI
void acpi_pci_root_init(void);
void acpi_pci_link_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);
-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);
@@ -77,7 +68,12 @@ void acpi_debugfs_init(void);
#else
static inline void acpi_debugfs_init(void) { return; }
#endif
+
+#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);
@@ -87,7 +83,21 @@ 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);
+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
@@ -98,67 +108,93 @@ void acpi_scan_table_handler(u32 event, void *table, void *context);
extern struct list_head acpi_bus_id_list;
struct acpi_device_bus_id {
- char bus_id[15];
- unsigned int instance_no;
+ 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);
+ 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);
+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
-------------------------------------------------------------------------- */
-struct acpi_device *acpi_companion_match(const struct device *dev);
-int __acpi_device_uevent_modalias(struct acpi_device *adev,
+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_early_processor_set_pdc(void) {}
+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_X86
-void acpi_early_processor_osc(void);
+#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
+void acpi_idle_rescan_dead_smt_siblings(void);
#else
-static inline void acpi_early_processor_osc(void) {}
+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;
bool global_lock;
@@ -171,7 +207,10 @@ struct acpi_ec {
spinlock_t lock;
struct work_struct work;
unsigned long timestamp;
- unsigned long nr_pending_queries;
+ 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;
};
@@ -182,32 +221,56 @@ extern struct acpi_ec *first_ec;
/* 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);
-int acpi_ec_ecdt_start(void);
+#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);
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 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
@@ -225,6 +288,15 @@ 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
+
/*--------------------------------------------------------------------------
Device properties
-------------------------------------------------------------------------- */
@@ -233,6 +305,12 @@ static inline void suspend_nvs_restore(void) {}
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
-------------------------------------------------------------------------- */
@@ -243,4 +321,24 @@ void acpi_watchdog_init(void);
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_ */