diff options
Diffstat (limited to 'board/casta/led.c')
| -rw-r--r-- | board/casta/led.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/board/casta/led.c b/board/casta/led.c new file mode 100644 index 0000000000..bd78bf78a1 --- /dev/null +++ b/board/casta/led.c @@ -0,0 +1,125 @@ +/* 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 Casta + */ + +#include "chipset.h" +#include "ec_commands.h" +#include "gpio.h" +#include "hooks.h" +#include "led_common.h" +#include "led_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; + +/* Casta : 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] = {{LED_OFF, 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_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 casta 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); /*red*/ + gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL); /*green*/ + return; + } + + switch (color) { + case EC_LED_COLOR_GREEN: + gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL); /*red*/ + gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_ON_LVL); /*green*/ + break; + case EC_LED_COLOR_RED: + gpio_set_level(GPIO_BAT_LED_RED_L, LED_ON_LVL); /*red*/ + gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL); /*green*/ + break; + default: /* LED_OFF and other unsupported colors */ + gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL); /*red*/ + gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL); /*green*/ + 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; +} + |