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/* Copyright 2018 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.
*
* Power and battery LED control for Kohaku
*/
#include "chipset.h"
#include "ec_commands.h"
#include "gpio.h"
#include "hooks.h"
#include "led_common.h"
#include "led_onoff_states.h"
#define LED_OFF_LVL 1
#define LED_ON_LVL 0
__override const int led_charge_lvl_1;
__override const int led_charge_lvl_2 = 100;
/* Kohaku : There are 3 leds for AC, Battery and Power */
__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_RED, LED_INDEFINITE} },
[STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_GREEN, LED_INDEFINITE} },
[STATE_DISCHARGE_S0] = {{EC_LED_COLOR_GREEN, LED_INDEFINITE} },
[STATE_DISCHARGE_S0_BAT_LOW] = {{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, 0.5 * LED_ONE_SEC},
{LED_OFF, 0.5 * LED_ONE_SEC} },
[STATE_FACTORY_TEST] = {{EC_LED_COLOR_RED, 1 * LED_ONE_SEC},
{LED_OFF, 1 * 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_BLUE, LED_INDEFINITE} },
[PWR_LED_STATE_SUSPEND_AC] = {{LED_OFF, LED_INDEFINITE} },
[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_BATTERY_LED,
EC_LED_ID_POWER_LED
};
const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
__override void led_set_color_power(enum ec_led_colors color)
{
/* Don't set led if led_auto_control is disabled. */
if (!led_auto_control_is_enabled(EC_LED_ID_POWER_LED) ||
!led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) {
return;
}
if (color == EC_LED_COLOR_BLUE)
{
gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
gpio_set_level(GPIO_PWR_LED_BLUE_L, LED_ON_LVL);
} else {
/* LED_OFF and unsupported colors */
gpio_set_level(GPIO_PWR_LED_BLUE_L, LED_OFF_LVL);
}
}
__override void led_set_color_battery(enum ec_led_colors color)
{
/* Don't set led if led_auto_control is disabled. */
if (!led_auto_control_is_enabled(EC_LED_ID_POWER_LED) ||
!led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) {
return;
}
/* Battery leds must be turn off when blue led is on
* because kohaku has 3-in-1 led.
*/
if(!gpio_get_level(GPIO_PWR_LED_BLUE_L))
{
gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
return;
}
switch (color) {
case EC_LED_COLOR_GREEN:
gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_ON_LVL);
break;
case EC_LED_COLOR_RED:
gpio_set_level(GPIO_BAT_LED_RED_L, LED_ON_LVL);
gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
break;
default: /* LED_OFF and other unsupported colors */
gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
gpio_set_level(GPIO_BAT_LED_GREEN_L, 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_GREEN] = 1;
brightness_range[EC_LED_COLOR_RED] = 1;
} else if (led_id == EC_LED_ID_POWER_LED) {
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) {
gpio_set_level(GPIO_PWR_LED_BLUE_L, LED_OFF_LVL);
gpio_set_level(GPIO_BAT_LED_GREEN_L, !brightness[EC_LED_COLOR_GREEN]);
gpio_set_level(GPIO_BAT_LED_RED_L, !brightness[EC_LED_COLOR_RED]);
} else if (led_id == EC_LED_ID_POWER_LED) {
gpio_set_level(GPIO_PWR_LED_BLUE_L, !brightness[EC_LED_COLOR_BLUE]);
gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
}
return EC_SUCCESS;
}
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