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/* 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,
},
};
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