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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 */ \
{"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;
};
int acpi_fan_create_attributes(struct acpi_device *device);
void acpi_fan_delete_attributes(struct acpi_device *device);
#endif
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