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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/acpi/internal.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
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Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'drivers/acpi/internal.h')
-rw-r--r--drivers/acpi/internal.h344
1 files changed, 344 insertions, 0 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
new file mode 100644
index 000000000..40f875b26
--- /dev/null
+++ b/drivers/acpi/internal.h
@@ -0,0 +1,344 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * acpi/internal.h
+ * For use by Linux/ACPI infrastructure, not drivers
+ *
+ * Copyright (c) 2009, Intel Corporation.
+ */
+
+#ifndef _ACPI_INTERNAL_H_
+#define _ACPI_INTERNAL_H_
+
+#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 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);
+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
+
+#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)
+
+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, 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
+ -------------------------------------------------------------------------- */
+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
+ -------------------------------------------------------------------------- */
+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);
+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 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;
+ int gpe;
+ int irq;
+ 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;
+ 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;
+
+/* 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);
+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
+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
+
+#ifdef CONFIG_X86
+bool force_storage_d3(void);
+#else
+static inline bool force_storage_d3(void)
+{
+ return false;
+}
+#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
+
+/*--------------------------------------------------------------------------
+ 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_ */