diff options
Diffstat (limited to 'board/taeko/fans.c')
| -rw-r--r-- | board/taeko/fans.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/board/taeko/fans.c b/board/taeko/fans.c deleted file mode 100644 index e6273ec210..0000000000 --- a/board/taeko/fans.c +++ /dev/null @@ -1,88 +0,0 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. - * 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_chip.h" -#include "fan.h" -#include "hooks.h" -#include "pwm.h" - -/* MFT channels. These are logically separate from pwm_channels. */ -const struct mft_t mft_channels[] = { - [MFT_CH_0] = { - .module = NPCX_MFT_MODULE_1, - .clk_src = TCKC_LFCLK, - .pwm_id = PWM_CH_FAN, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT); - -static const struct fan_conf fan_conf_0 = { - .flags = FAN_USE_RPM_MODE, - .ch = MFT_CH_0, /* Use MFT id to control fan */ - .pgood_gpio = -1, - .enable_gpio = GPIO_EN_PP5000_FAN, -}; - -/* - * TOOD(b/194774929): need to update for real fan - * - * Prototype fan spins at about 7200 RPM at 100% PWM. - * Set minimum at around 30% PWM. - */ -static const struct fan_rpm fan_rpm_0 = { - .rpm_min = 2200, - .rpm_start = 2200, - .rpm_max = 7200, -}; - -const struct fan_t fans[FAN_CH_COUNT] = { - [FAN_CH_0] = { - .conf = &fan_conf_0, - .rpm = &fan_rpm_0, - }, -}; - -#ifndef CONFIG_FANS - -/* - * TODO(b/194774929): use static fan speeds until fan and sensors are - * tuned. for now, use: - * - * AP off: 33% - * AP on: 100% - */ - -static void fan_slow(void) -{ - const int duty_pct = 33; - - ccprints("%s: speed %d%%", __func__, duty_pct); - - pwm_enable(PWM_CH_FAN, 1); - pwm_set_duty(PWM_CH_FAN, duty_pct); -} - -static void fan_max(void) -{ - const int duty_pct = 100; - - ccprints("%s: speed %d%%", __func__, duty_pct); - - pwm_enable(PWM_CH_FAN, 1); - pwm_set_duty(PWM_CH_FAN, duty_pct); -} - -DECLARE_HOOK(HOOK_INIT, fan_slow, HOOK_PRIO_DEFAULT); -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, fan_slow, HOOK_PRIO_DEFAULT); -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, fan_slow, HOOK_PRIO_DEFAULT); -DECLARE_HOOK(HOOK_CHIPSET_RESET, fan_max, HOOK_PRIO_FIRST); -DECLARE_HOOK(HOOK_CHIPSET_RESUME, fan_max, HOOK_PRIO_DEFAULT); - -#endif /* CONFIG_FANS */ |