60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* ACPI fan device IDs are shared between the fan driver and the device power
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* management code.
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*
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* Add new device IDs before the generic ACPI fan one.
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*/
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#ifndef _ACPI_FAN_H_
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#define _ACPI_FAN_H_
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#define ACPI_FAN_DEVICE_IDS \
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{"INT3404", }, /* Fan */ \
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{"INTC1044", }, /* Fan for Tiger Lake generation */ \
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{"INTC1048", }, /* Fan for Alder Lake generation */ \
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{"INTC1063", }, /* Fan for Meteor Lake generation */ \
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{"INTC10A2", }, /* Fan for Raptor Lake generation */ \
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{"PNP0C0B", } /* Generic ACPI fan */
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#define ACPI_FPS_NAME_LEN 20
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struct acpi_fan_fps {
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u64 control;
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u64 trip_point;
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u64 speed;
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u64 noise_level;
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u64 power;
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char name[ACPI_FPS_NAME_LEN];
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struct device_attribute dev_attr;
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};
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struct acpi_fan_fif {
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u8 revision;
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u8 fine_grain_ctrl;
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u8 step_size;
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u8 low_speed_notification;
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};
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struct acpi_fan_fst {
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u64 revision;
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u64 control;
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u64 speed;
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};
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struct acpi_fan {
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bool acpi4;
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struct acpi_fan_fif fif;
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struct acpi_fan_fps *fps;
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int fps_count;
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struct thermal_cooling_device *cdev;
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struct device_attribute fst_speed;
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struct device_attribute fine_grain_control;
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};
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int acpi_fan_get_fst(struct acpi_device *device, struct acpi_fan_fst *fst);
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int acpi_fan_create_attributes(struct acpi_device *device);
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void acpi_fan_delete_attributes(struct acpi_device *device);
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#endif
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