/* Copyright 2021 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* Physical fans. These are logically separate from pwm_channels. */ #include "common.h" #include "compile_time_macros.h" #include "console.h" #include "fan.h" #include "hooks.h" #include "pwm.h" #include "pwm_chip.h" const struct fan_conf fan_conf_0 = { .flags = FAN_USE_RPM_MODE, .ch = PWM_CH_FAN, .pgood_gpio = -1, .enable_gpio = GPIO_EN_PP5000_FAN_X, }; const struct fan_rpm fan_rpm_0 = { .rpm_min = 2400, .rpm_start = 2400, .rpm_max = 5700, }; const struct fan_t fans[] = { [FAN_CH_0] = { .conf = &fan_conf_0, .rpm = &fan_rpm_0, }, }; BUILD_ASSERT(ARRAY_SIZE(fans) == CONFIG_FANS); /* * PWM HW channelx binding tachometer channelx for fan control. * Four tachometer input pins but two tachometer modules only, * so always binding [TACH_CH_TACH0A | TACH_CH_TACH0B] and/or * [TACH_CH_TACH1A | TACH_CH_TACH1B] */ const struct fan_tach_t fan_tach[] = { [PWM_HW_CH_DCR0] = { .ch_tach = TACH_CH_NULL, .fan_p = -1, .rpm_re = -1, .s_duty = -1, }, [PWM_HW_CH_DCR1] = { .ch_tach = TACH_CH_NULL, .fan_p = -1, .rpm_re = -1, .s_duty = -1, }, [PWM_HW_CH_DCR2] = { .ch_tach = TACH_CH_TACH0A, .fan_p = 2, .rpm_re = 50, .s_duty = 30, }, [PWM_HW_CH_DCR3] = { .ch_tach = TACH_CH_NULL, .fan_p = -1, .rpm_re = -1, .s_duty = -1, }, [PWM_HW_CH_DCR4] = { .ch_tach = TACH_CH_NULL, .fan_p = -1, .rpm_re = -1, .s_duty = -1, }, [PWM_HW_CH_DCR5] = { .ch_tach = TACH_CH_NULL, .fan_p = -1, .rpm_re = -1, .s_duty = -1, }, [PWM_HW_CH_DCR6] = { .ch_tach = TACH_CH_NULL, .fan_p = -1, .rpm_re = -1, .s_duty = -1, }, [PWM_HW_CH_DCR7] = { .ch_tach = TACH_CH_NULL, .fan_p = -1, .rpm_re = -1, .s_duty = -1, }, };