/* 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. * * Guybrush specific PWM LED settings. */ #include "common.h" #include "cros_board_info.h" #include "gpio.h" #include "hooks.h" #include "led_common.h" #include "led_onoff_states.h" #include "pwm.h" /* Note PWM LEDs are active low */ #define LED_OFF_LVL 1 #define LED_ON_LVL 0 #define CPRINTS(format, args...) cprints(CC_PWM, format, ##args) __override const int led_charge_lvl_1 = 5; __override const int led_charge_lvl_2 = 97; static enum pwm_channel pwm_ch_led_blue; static enum pwm_channel pwm_ch_led_amber; static void led_pwm_ch_init(void) { int val; pwm_ch_led_blue = PWM_CH_LED_FULL; pwm_ch_led_amber = PWM_CH_LED_CHRG; /* * Ver1: GPIOC4(PWM2) -> Blue LED * GPIO80(PWM3) -> Amber LED */ if (cbi_get_board_version(&val) == EC_SUCCESS && val <= 1) { pwm_ch_led_blue = PWM_CH_LED_CHRG; pwm_ch_led_amber = PWM_CH_LED_FULL; } } DECLARE_HOOK(HOOK_INIT, led_pwm_ch_init, HOOK_PRIO_INIT_PWM - 1); __override struct led_descriptor led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = { [STATE_CHARGING_LVL_1] = { { EC_LED_COLOR_AMBER, LED_INDEFINITE } }, [STATE_CHARGING_LVL_2] = { { EC_LED_COLOR_AMBER, LED_INDEFINITE } }, [STATE_CHARGING_FULL_CHARGE] = { { EC_LED_COLOR_BLUE, LED_INDEFINITE } }, [STATE_CHARGING_FULL_S5] = { { EC_LED_COLOR_BLUE, LED_INDEFINITE } }, [STATE_DISCHARGE_S0] = { { EC_LED_COLOR_BLUE, LED_INDEFINITE } }, [STATE_DISCHARGE_S3] = { { EC_LED_COLOR_AMBER, 1 * LED_ONE_SEC }, { LED_OFF, 3 * LED_ONE_SEC } }, [STATE_DISCHARGE_S5] = { { LED_OFF, LED_INDEFINITE } }, [STATE_BATTERY_ERROR] = { { EC_LED_COLOR_AMBER, 1 * LED_ONE_SEC }, { LED_OFF, 1 * LED_ONE_SEC } }, [STATE_FACTORY_TEST] = { { EC_LED_COLOR_AMBER, 2 * LED_ONE_SEC }, { EC_LED_COLOR_BLUE, 2 * LED_ONE_SEC } }, }; const enum ec_led_id supported_led_ids[] = { EC_LED_ID_BATTERY_LED, }; const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); __override void led_set_color_battery(enum ec_led_colors color) { switch (color) { case EC_LED_COLOR_AMBER: pwm_enable(pwm_ch_led_amber, LED_ON_LVL); pwm_enable(pwm_ch_led_blue, LED_OFF_LVL); break; case EC_LED_COLOR_BLUE: pwm_enable(pwm_ch_led_amber, LED_OFF_LVL); pwm_enable(pwm_ch_led_blue, LED_ON_LVL); break; case LED_OFF: pwm_enable(pwm_ch_led_amber, LED_OFF_LVL); pwm_enable(pwm_ch_led_blue, LED_OFF_LVL); break; default: /* Unsupported colors */ CPRINTS("Unsupported LED color: %d", color); pwm_enable(pwm_ch_led_amber, LED_OFF_LVL); pwm_enable(pwm_ch_led_blue, LED_OFF_LVL); break; } } 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_BLUE] = 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_BLUE] != 0) led_set_color_battery(EC_LED_COLOR_BLUE); else if (brightness[EC_LED_COLOR_AMBER] != 0) led_set_color_battery(EC_LED_COLOR_AMBER); else led_set_color_battery(LED_OFF); } else { CPRINTS("Unsupported LED set: %d", led_id); return EC_ERROR_INVAL; } return EC_SUCCESS; }