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- /* 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 */ \
- {"INTC1063", }, /* Fan for Meteor 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
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