diff options
Diffstat (limited to 'board/kodama/led.c')
-rw-r--r-- | board/kodama/led.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/board/kodama/led.c b/board/kodama/led.c new file mode 100644 index 0000000000..d96b340d73 --- /dev/null +++ b/board/kodama/led.c @@ -0,0 +1,155 @@ +/* Copyright 2019 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. + * + * Battery LED control for Kukui board. + */ +#include "charge_state.h" +#include "driver/charger/rt946x.h" +#include "hooks.h" +#include "led_common.h" +#include "led_onoff_states.h" +#include "ec_commands.h" + +#define LED_RED MT6370_LED_ID1 +#define LED_GREEN MT6370_LED_ID2 +#define LED_WHITE MT6370_LED_ID3 + +#define LED_MASK_OFF 0 +#define LED_MASK_RED MT6370_MASK_RGB_ISNK1DIM_EN +#define LED_MASK_GREEN MT6370_MASK_RGB_ISNK2DIM_EN +#define LED_MASK_WHITE MT6370_MASK_RGB_ISNK3DIM_EN + +__override const int led_charge_lvl_1 = 5; +__override const int led_charge_lvl_2 = 97; + +__override struct led_descriptor + led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = { + [STATE_CHARGING_LVL_1] = {{EC_LED_COLOR_RED, LED_INDEFINITE} }, + [STATE_CHARGING_LVL_2] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} }, + [STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_GREEN, LED_INDEFINITE} }, + [STATE_DISCHARGE_S0] = {{LED_OFF, LED_INDEFINITE} }, + [STATE_DISCHARGE_S3] = {{LED_OFF, LED_INDEFINITE} }, + [STATE_DISCHARGE_S5] = {{LED_OFF, LED_INDEFINITE} }, + [STATE_BATTERY_ERROR] = {{EC_LED_COLOR_RED, 1 * LED_ONE_SEC}, + {LED_OFF, 1 * LED_ONE_SEC} }, + [STATE_FACTORY_TEST] = {{EC_LED_COLOR_RED, 2 * LED_ONE_SEC}, + {EC_LED_COLOR_GREEN, 2 * LED_ONE_SEC} }, +}; + +__override const struct led_descriptor + led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES] = { + [PWR_LED_STATE_ON] = {{EC_LED_COLOR_WHITE, LED_INDEFINITE} }, + [PWR_LED_STATE_SUSPEND_AC] = {{EC_LED_COLOR_WHITE, 3 * LED_ONE_SEC}, + {LED_OFF, LED_ONE_SEC / 2} }, + [PWR_LED_STATE_SUSPEND_NO_AC] = {{LED_OFF, LED_INDEFINITE} }, + [PWR_LED_STATE_OFF] = {{LED_OFF, LED_INDEFINITE} }, +}; + +const enum ec_led_id supported_led_ids[] = { + EC_LED_ID_POWER_LED, + EC_LED_ID_BATTERY_LED +}; + +const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); + +static int led_mask = LED_MASK_OFF; + +static void led_set_color(int mask) +{ + static int new_mask = LED_MASK_OFF; + + if (new_mask == mask) + return; + else + new_mask = mask; + + mt6370_led_set_color(led_mask); +} + +__override void led_set_color_power(enum ec_led_colors color) +{ + if (color == EC_LED_COLOR_WHITE) + led_mask |= LED_MASK_WHITE; + else + led_mask &= ~LED_MASK_WHITE; + led_set_color(led_mask); +} + +__override void led_set_color_battery(enum ec_led_colors color) +{ + switch (color) { + case EC_LED_COLOR_RED: + led_mask |= LED_MASK_RED; + led_mask &= ~LED_MASK_GREEN; + break; + case EC_LED_COLOR_AMBER: + led_mask |= LED_MASK_RED; + led_mask |= LED_MASK_GREEN; + break; + case EC_LED_COLOR_GREEN: + led_mask &= ~LED_MASK_RED; + led_mask |= LED_MASK_GREEN; + break; + default: /* LED_OFF and other unsupported colors */ + led_mask &= ~LED_MASK_RED; + led_mask &= ~LED_MASK_GREEN; + break; + } + led_set_color(led_mask); +} + +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_RED] = 1; + brightness_range[EC_LED_COLOR_AMBER] = 1; + brightness_range[EC_LED_COLOR_GREEN] = 1; + } else if (led_id == EC_LED_ID_POWER_LED) { + brightness_range[EC_LED_COLOR_WHITE] = 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_RED] != 0) + led_set_color_battery(EC_LED_COLOR_RED); + else if (brightness[EC_LED_COLOR_AMBER] != 0) + led_set_color_battery(EC_LED_COLOR_AMBER); + else if (brightness[EC_LED_COLOR_GREEN] != 0) + led_set_color_battery(EC_LED_COLOR_GREEN); + else + led_set_color_battery(LED_OFF); + } else if (led_id == EC_LED_ID_POWER_LED) { + if (brightness[EC_LED_COLOR_WHITE] != 0) + led_set_color_power(EC_LED_COLOR_WHITE); + else + led_set_color_power(LED_OFF); + } else { + return EC_ERROR_INVAL; + } + + return EC_SUCCESS; +} + +static void kodama_led_init(void) +{ + const enum mt6370_led_dim_mode dim = MT6370_LED_DIM_MODE_PWM; + const enum mt6370_led_pwm_freq freq = MT6370_LED_PWM_FREQ1000; + + mt6370_led_set_color(LED_MASK_RED | LED_MASK_GREEN | LED_MASK_WHITE); + mt6370_led_set_dim_mode(LED_RED, dim); + mt6370_led_set_dim_mode(LED_GREEN, dim); + mt6370_led_set_dim_mode(LED_WHITE, dim); + mt6370_led_set_pwm_frequency(LED_RED, freq); + mt6370_led_set_pwm_frequency(LED_GREEN, freq); + mt6370_led_set_pwm_frequency(LED_WHITE, freq); + mt6370_led_set_pwm_dim_duty(LED_RED, 12); + mt6370_led_set_pwm_dim_duty(LED_GREEN, 31); + mt6370_led_set_pwm_dim_duty(LED_WHITE, 12); + mt6370_led_set_brightness(LED_MASK_RED, 7); + mt6370_led_set_brightness(LED_MASK_GREEN, 7); + mt6370_led_set_brightness(LED_MASK_WHITE, 7); +} +DECLARE_HOOK(HOOK_INIT, kodama_led_init, HOOK_PRIO_DEFAULT); |