/* SPDX-License-Identifier: GPL-2.0-only */ /* * ACPI fan device IDs are shared between the fan driver and the device power * management code. * * Add new device IDs before the generic ACPI fan one. */ #ifndef _ACPI_FAN_H_ #define _ACPI_FAN_H_ #define ACPI_FAN_DEVICE_IDS \ {"INT3404", }, /* Fan */ \ {"INTC1044", }, /* Fan for Tiger Lake generation */ \ {"INTC1048", }, /* Fan for Alder Lake generation */ \ {"INTC10A2", }, /* Fan for Raptor Lake generation */ \ {"PNP0C0B", } /* Generic ACPI fan */ #define ACPI_FPS_NAME_LEN 20 struct acpi_fan_fps { u64 control; u64 trip_point; u64 speed; u64 noise_level; u64 power; char name[ACPI_FPS_NAME_LEN]; struct device_attribute dev_attr; }; struct acpi_fan_fif { u8 revision; u8 fine_grain_ctrl; u8 step_size; u8 low_speed_notification; }; struct acpi_fan_fst { u64 revision; u64 control; u64 speed; }; struct acpi_fan { bool acpi4; struct acpi_fan_fif fif; struct acpi_fan_fps *fps; int fps_count; struct thermal_cooling_device *cdev; struct device_attribute fst_speed; struct device_attribute fine_grain_control; }; int acpi_fan_get_fst(struct acpi_device *device, struct acpi_fan_fst *fst); int acpi_fan_create_attributes(struct acpi_device *device); void acpi_fan_delete_attributes(struct acpi_device *device); #endif