text: /* 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
  
  const int led_charge_lvl_1 = 0;
  
  const int led_charge_lvl_2 = 100;
  
  /* Kohaku : There are 3 leds for AC, Battery and Power */
  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} },
  };
  
  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);
  
  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);
  	}
  }
  
  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;
  }
  