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/* 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);
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