diff options
Diffstat (limited to 'board/primus/led.c')
| -rw-r--r-- | board/primus/led.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/board/primus/led.c b/board/primus/led.c deleted file mode 100644 index 3a8da5ac32..0000000000 --- a/board/primus/led.c +++ /dev/null @@ -1,237 +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. - */ - -/* Primus specific PWM LED settings. */ - -#include <stdint.h> - -#include "common.h" -#include "compile_time_macros.h" -#include "battery.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "chipset.h" -#include "common.h" -#include "console.h" -#include "ec_commands.h" -#include "extpower.h" -#include "hooks.h" -#include "led_common.h" -#include "power.h" -#include "pwm.h" -#include "task.h" -#include "timer.h" -#include "util.h" -#define CPRINTS(format, args...) cprints(CC_LOGOLED, format, ## args) - -#define LED_ON_LVL 100 -#define LED_OFF_LVL 0 -#define LED_BAT_S3_OFF_TIME_MS 3000 -#define LED_BAT_S3_TICK_MS 50 -#define LED_BAT_S3_PWM_RESCALE 5 -#define LED_TOTAL_TICKS 6 -#define TICKS_STEP1_BRIGHTER 0 -#define TICKS_STEP2_DIMMER (1000 / LED_BAT_S3_TICK_MS) -#define TICKS_STEP3_OFF (2 * TICKS_STEP2_DIMMER) -#define LED_ONE_SEC (1000 / HOOK_TICK_INTERVAL_MS) -#define LED_LOGO_TICK_SEC (LED_ONE_SEC / 4) -/* Total on/off duration in a period */ -#define PERIOD (LED_LOGO_TICK_SEC * 2) -#define LED_ON 1 -#define LED_OFF EC_LED_COLOR_COUNT -#define LED_EVENT_SUSPEND TASK_EVENT_CUSTOM_BIT(0) -#define LED_EVENT_200MS_TICK TASK_EVENT_CUSTOM_BIT(1) - -static int tick; - -const enum ec_led_id supported_led_ids[] = { - EC_LED_ID_BATTERY_LED, - EC_LED_ID_POWER_LED -}; -const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); - -static void led_set_color_battery(enum ec_led_colors color) -{ - switch (color) { - case EC_LED_COLOR_AMBER: - pwm_set_duty(PWM_CH_LED1_AMBER, LED_ON_LVL); - pwm_set_duty(PWM_CH_LED2_WHITE, LED_OFF_LVL); - break; - case EC_LED_COLOR_WHITE: - pwm_set_duty(PWM_CH_LED2_WHITE, LED_ON_LVL); - pwm_set_duty(PWM_CH_LED1_AMBER, LED_OFF_LVL); - break; - default: /* LED_OFF and other unsupported colors */ - pwm_set_duty(PWM_CH_LED1_AMBER, LED_OFF_LVL); - pwm_set_duty(PWM_CH_LED2_WHITE, LED_OFF_LVL); - break; - } -} - -static void led_set_battery(void) -{ - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - /* Always indicate when charging, even in suspend. */ - led_set_color_battery(EC_LED_COLOR_AMBER); - break; - case PWR_STATE_DISCHARGE: - led_set_color_battery(LED_OFF); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - led_set_color_battery(EC_LED_COLOR_WHITE); - break; - default: - /* Other states don't alter LED behavior */ - break; - } -} - -void led_set_color_power(int onoff_status) -{ - /* primus logo led and power led have same behavior. */ - if (onoff_status == LED_ON) { - pwm_set_duty(PWM_CH_TKP_A_LED_N, LED_ON_LVL); - pwm_set_duty(PWM_CH_LED4, LED_ON_LVL); - } else { - /* LED_OFF and unsupported colors */ - pwm_set_duty(PWM_CH_TKP_A_LED_N, LED_OFF_LVL); - pwm_set_duty(PWM_CH_LED4, LED_OFF_LVL); - } -} - -#define AC_DISCONNECTED (-1) - -static void led_set_power(void) -{ - static int plug_ac_countdown; - static int ticks; - - if (plug_ac_countdown > 0) { - ticks = (ticks + 1) % PERIOD; - plug_ac_countdown--; - if (ticks < LED_LOGO_TICK_SEC) - led_set_color_power(LED_OFF); - else - led_set_color_power(LED_ON); - } else if (chipset_in_state(CHIPSET_STATE_ON)) - led_set_color_power(LED_ON); - else if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - led_set_color_power(LED_OFF); - - /* Check AC_PRESENT */ - if (!extpower_is_present()) - plug_ac_countdown = AC_DISCONNECTED; - else if (plug_ac_countdown == AC_DISCONNECTED) - /* AC power was plugged in (previous state was "disconnected"), - * set plug_ac_countdown for amount of ticks left - */ - plug_ac_countdown = LED_TOTAL_TICKS; -} - -void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) -{ - if (led_id == EC_LED_ID_BATTERY_LED) { - brightness_range[EC_LED_COLOR_AMBER] = 1; - brightness_range[EC_LED_COLOR_WHITE] = 1; - } else if (led_id == EC_LED_ID_POWER_LED) { - brightness_range[EC_LED_COLOR_RED] = 1; - } -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - if (led_id == EC_LED_ID_BATTERY_LED) { - if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color_battery(EC_LED_COLOR_AMBER); - else if (brightness[EC_LED_COLOR_WHITE] != 0) - led_set_color_battery(EC_LED_COLOR_WHITE); - else - led_set_color_battery(LED_OFF); - } else if (led_id == EC_LED_ID_POWER_LED) { - if (brightness[EC_LED_COLOR_RED] != 0) - led_set_color_power(LED_ON); - else - led_set_color_power(LED_OFF); - } - - return EC_SUCCESS; -} - -/* Called by hook task every 200 ms */ -static void led_tick(void) -{ - task_set_event(TASK_ID_LOGOLED, LED_EVENT_200MS_TICK); -} -DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT); - -static void suspend_led_update(void) -{ - while (1) { - tick++; - - /* HOOK_CHIPSET_SUSPEND will be called when POWER_S0S0ix, - * if we are not transitioning to suspend, we should break here. - */ - if (!chipset_in_or_transitioning_to_state( - CHIPSET_STATE_ANY_SUSPEND)) - break; - - /* 1s gradual on, 1s gradual off, 3s off */ - if (tick <= TICKS_STEP2_DIMMER) { - /* increase 5 duty every 50ms until PWM=100 - * enter here 20 times, total duartion is 1sec - * A-cover and power button led are shared same - * behavior. - */ - pwm_set_duty(PWM_CH_TKP_A_LED_N, - tick * LED_BAT_S3_PWM_RESCALE); - pwm_set_duty(PWM_CH_LED4, - tick * LED_BAT_S3_PWM_RESCALE); - msleep(LED_BAT_S3_TICK_MS); - } else if (tick <= TICKS_STEP3_OFF) { - /* decrease 5 duty every 50ms until PWM=0 - * enter here 20 times, total duartion is 1sec - * A-cover and power button led are shared same - * behavior. - */ - pwm_set_duty(PWM_CH_TKP_A_LED_N, (TICKS_STEP3_OFF - - tick) * LED_BAT_S3_PWM_RESCALE); - pwm_set_duty(PWM_CH_LED4, (TICKS_STEP3_OFF - - tick) * LED_BAT_S3_PWM_RESCALE); - msleep(LED_BAT_S3_TICK_MS); - } else { - tick = TICKS_STEP1_BRIGHTER; - msleep(LED_BAT_S3_OFF_TIME_MS); - } - } -} - -static void suspend_led_init(void) -{ - task_set_event(TASK_ID_LOGOLED, LED_EVENT_SUSPEND); -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, suspend_led_init, HOOK_PRIO_DEFAULT); - -void logoled_task(void *u) -{ - uint32_t evt; - - while (1) { - evt = task_wait_event(-1); - - if (evt & LED_EVENT_SUSPEND) { - tick = TICKS_STEP2_DIMMER; - suspend_led_update(); - } - - if (evt & LED_EVENT_200MS_TICK) { - if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED)) - led_set_power(); - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - led_set_battery(); - } - } -} |