diff options
Diffstat (limited to 'board/mchpevb1/led.c')
| -rw-r--r-- | board/mchpevb1/led.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/board/mchpevb1/led.c b/board/mchpevb1/led.c deleted file mode 100644 index 7b9f7646cb..0000000000 --- a/board/mchpevb1/led.c +++ /dev/null @@ -1,174 +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 MEC1701 EVB. - */ - -#include "battery.h" -#include "charge_state.h" -#include "chipset.h" -#include "ec_commands.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "led_common.h" -#include "util.h" - -#define BAT_LED_ON 1 -#define BAT_LED_OFF 0 - -#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 - -/* - * NOTE: GPIO_BAT_LED_xxx defined in board.h - */ - -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_RED, - LED_AMBER, - LED_GREEN, - LED_COLOR_COUNT /* Number of colors, not a color itself */ -}; - -static int bat_led_set_color(enum led_color color) -{ - switch (color) { - case LED_OFF: - gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_OFF); - break; - case LED_RED: - gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_ON); - gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_OFF); - break; - case LED_AMBER: - gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_ON); - gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_ON); - break; - case LED_GREEN: - gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_GREEN, 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_RED] = 1; - brightness_range[EC_LED_COLOR_GREEN] = 1; -} - -static int board_led_set_color_battery(enum led_color color) -{ - return bat_led_set_color(color); -} - -static int board_led_set_color(enum ec_led_id led_id, enum led_color color) -{ - int rv; - - led_auto_control(led_id, 0); - switch (led_id) { - case EC_LED_ID_BATTERY_LED: - rv = board_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_RED] != 0 && - brightness[EC_LED_COLOR_GREEN] != 0) - board_led_set_color(led_id, LED_AMBER); - else if (brightness[EC_LED_COLOR_RED] != 0) - board_led_set_color(led_id, LED_RED); - else if (brightness[EC_LED_COLOR_GREEN] != 0) - board_led_set_color(led_id, LED_GREEN); - else - board_led_set_color(led_id, LED_OFF); - - return EC_SUCCESS; -} - -static void board_led_set_battery(void) -{ -#ifdef CONFIG_CHARGER - static int battery_ticks; - uint32_t chflags = charge_get_flags(); - - battery_ticks++; - - /* BAT LED behavior: - * Same as the chromeos spec - * Green/Amber for CHARGE_FLAG_FORCE_IDLE - */ - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - board_led_set_color_battery(LED_AMBER); - break; - case PWR_STATE_DISCHARGE: - /* Less than 3%, blink one second every two second */ - if (!chipset_in_state(CHIPSET_STATE_ANY_OFF) && - charge_get_percent() < CRITICAL_LOW_BATTERY_PERCENTAGE) - board_led_set_color_battery( - (battery_ticks % LED_TOTAL_2SECS_TICKS < - LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); - /* Less than 10%, blink one second every four seconds */ - else if (!chipset_in_state(CHIPSET_STATE_ANY_OFF) && - charge_get_percent() < LOW_BATTERY_PERCENTAGE) - board_led_set_color_battery( - (battery_ticks % LED_TOTAL_4SECS_TICKS < - LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); - else - board_led_set_color_battery(LED_OFF); - break; - case PWR_STATE_ERROR: - board_led_set_color_battery( - (battery_ticks % LED_TOTAL_2SECS_TICKS < - LED_ON_1SEC_TICKS) ? LED_RED : LED_OFF); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - board_led_set_color_battery(LED_GREEN); - break; - case PWR_STATE_IDLE: /* External power connected in IDLE */ - if (chflags & CHARGE_FLAG_FORCE_IDLE) - board_led_set_color_battery( - (battery_ticks % LED_TOTAL_4SECS_TICKS < - LED_ON_2SECS_TICKS) ? LED_GREEN : LED_AMBER); - else - board_led_set_color_battery(LED_GREEN); - break; - default: - /* Other states don't alter LED behavior */ - break; - } -#endif -} - - -static void led_second(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - board_led_set_battery(); -} -DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT); |