44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
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/*
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* include/linux/platform_data/pwm_fan.h
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*
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* Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _PWM_FAN_H_
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#define _PWM_FAN_H_
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#define MAX_ACTIVE_STATES 10
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struct pwm_fan_platform_data {
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int active_steps;
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int active_rpm[MAX_ACTIVE_STATES];
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int active_pwm[MAX_ACTIVE_STATES];
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int active_rru[MAX_ACTIVE_STATES];
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int active_rrd[MAX_ACTIVE_STATES];
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int state_cap_lookup[MAX_ACTIVE_STATES];
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int pwm_period;
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int pwm_id;
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int step_time;
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int active_pwm_max;
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int state_cap;
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int tach_gpio;
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int pwm_gpio;
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};
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#if IS_BUILTIN(CONFIG_PWM_FAN)
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bool is_fan_always_on(struct thermal_cooling_device *cdev);
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#endif
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#endif
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