diff options
Diffstat (limited to 'board/reef_it8320/led.c')
| -rw-r--r-- | board/reef_it8320/led.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/board/reef_it8320/led.c b/board/reef_it8320/led.c deleted file mode 100644 index a1ea5964a8..0000000000 --- a/board/reef_it8320/led.c +++ /dev/null @@ -1,156 +0,0 @@ -/* Copyright 2017 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 Reef - */ - -#include "battery.h" -#include "charge_state.h" -#include "chipset.h" -#include "ec_commands.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "led_common.h" -#include "util.h" - -#define BAT_LED_ON 0 -#define BAT_LED_OFF 1 - -#define CRITICAL_LOW_BATTERY_PERCENTAGE 3 -#define LOW_BATTERY_PERCENTAGE 10 - -#define LED_TOTAL_4SECS_TICKS 4 -#define LED_TOTAL_2SECS_TICKS 2 -#define LED_ON_1SEC_TICKS 1 -#define LED_ON_2SECS_TICKS 2 - -const enum ec_led_id supported_led_ids[] = { - EC_LED_ID_BATTERY_LED}; - -const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); - -enum led_color { - LED_OFF = 0, - LED_BLUE, - LED_AMBER, - LED_COLOR_COUNT /* Number of colors, not a color itself */ -}; - -static int led_set_color_battery(enum led_color color) -{ - switch (color) { - case LED_OFF: - gpio_set_level(GPIO_BAT_LED_BLUE, BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_AMBER, BAT_LED_OFF); - break; - case LED_BLUE: - gpio_set_level(GPIO_BAT_LED_BLUE, BAT_LED_ON); - gpio_set_level(GPIO_BAT_LED_AMBER, BAT_LED_OFF); - break; - case LED_AMBER: - gpio_set_level(GPIO_BAT_LED_BLUE, BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_AMBER, BAT_LED_ON); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -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; -} - -static int led_set_color(enum ec_led_id led_id, enum led_color color) -{ - int rv; - - switch (led_id) { - case EC_LED_ID_BATTERY_LED: - rv = led_set_color_battery(color); - break; - default: - return EC_ERROR_UNKNOWN; - } - return rv; -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - if (brightness[EC_LED_COLOR_BLUE] != 0) - led_set_color(led_id, LED_BLUE); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color(led_id, LED_AMBER); - else - led_set_color(led_id, LED_OFF); - - return EC_SUCCESS; -} - -static void led_set_battery(void) -{ - static int battery_ticks; - static int suspend_ticks; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - led_set_color_battery(LED_AMBER); - break; - case PWR_STATE_DISCHARGE_FULL: - if (extpower_is_present()) { - led_set_color_battery(LED_BLUE); - break; - } - /* Intentional fall-through */ - case PWR_STATE_DISCHARGE /* and PWR_STATE_DISCHARGE_FULL */: - if (chipset_in_state(CHIPSET_STATE_ON)) { - led_set_color_battery(LED_BLUE); - } else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) { - /* Blink once every four seconds. */ - led_set_color_battery( - (suspend_ticks % LED_TOTAL_4SECS_TICKS) - < LED_ON_1SEC_TICKS ? LED_AMBER : LED_OFF); - } else { - led_set_color_battery(LED_OFF); - } - break; - case PWR_STATE_ERROR: - led_set_color_battery( - (battery_ticks % LED_TOTAL_2SECS_TICKS < - LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - led_set_color_battery(LED_BLUE); - break; - case PWR_STATE_IDLE: /* External power connected in IDLE */ - if (charge_get_flags() & CHARGE_FLAG_FORCE_IDLE) - led_set_color_battery( - (battery_ticks % LED_TOTAL_4SECS_TICKS < - LED_ON_2SECS_TICKS) ? LED_AMBER : LED_BLUE); - else - led_set_color_battery(LED_BLUE); - break; - default: - /* Other states don't alter LED behavior */ - break; - } - battery_ticks++; - suspend_ticks++; -} - -/* Called by hook task every 1 sec */ -static void led_second(void) -{ - /* - * Reference board only has one LED, so overload it to act as both - * power LED and battery LED. - */ - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - led_set_battery(); -} -DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT); |