coreboot-libre-fam15h-rdimm/3rdparty/chromeec/board/aleena/led.c

102 lines
2.9 KiB
C

/* 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.
*/
#include "common.h"
#include "led_onoff_states.h"
#include "led_common.h"
#include "gpio.h"
#include "hooks.h"
#include "console.h"
#define CPRINTS(format, args...) cprints(CC_HOOK, format, ## args)
#define LED_OFF_LVL 1
#define LED_ON_LVL 0
const int led_charge_lvl_1;
const int led_charge_lvl_2 = 100;
/*
* board_id others 5, 6
* led1 Amber Blue
* led2 Blue Amber
*/
static enum gpio_signal led_amber = GPIO_BAT_LED_1_L;
static enum gpio_signal led_blue = GPIO_BAT_LED_2_L;
/* Note there is only LED for charge / power */
struct led_descriptor
led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = {
[STATE_CHARGING_LVL_2] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} },
[STATE_CHARGING_FULL_CHARGE] = {{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_BLUE, 2 * LED_ONE_SEC},
{EC_LED_COLOR_AMBER, 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);
static void board_led_init(void)
{
int board_id =
(gpio_get_level(GPIO_BOARD_VERSION3) << 2) |
(gpio_get_level(GPIO_BOARD_VERSION2) << 1) |
(gpio_get_level(GPIO_BOARD_VERSION1) << 0);
CPRINTS("board_id=%d", board_id);
if ((board_id == 5) || (board_id == 6)) {
led_amber = GPIO_BAT_LED_2_L;
led_blue = GPIO_BAT_LED_1_L;
CPRINTS("LED: switch LED");
}
}
DECLARE_HOOK(HOOK_INIT, board_led_init, HOOK_PRIO_DEFAULT);
void led_set_color_battery(enum ec_led_colors color)
{
switch (color) {
case EC_LED_COLOR_BLUE:
gpio_set_level(led_blue, LED_ON_LVL);
gpio_set_level(led_amber, LED_OFF_LVL);
break;
case EC_LED_COLOR_AMBER:
gpio_set_level(led_blue, LED_OFF_LVL);
gpio_set_level(led_amber, LED_ON_LVL);
break;
default: /* LED_OFF and other unsupported colors */
gpio_set_level(led_blue, LED_OFF_LVL);
gpio_set_level(led_amber, LED_OFF_LVL);
break;
}
}
void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
{
brightness_range[EC_LED_COLOR_BLUE] = 1;
brightness_range[EC_LED_COLOR_AMBER] = 1;
}
int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
{
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);
return EC_SUCCESS;
}