diff options
Diffstat (limited to 'board/big/led.c')
| -rw-r--r-- | board/big/led.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/board/big/led.c b/board/big/led.c deleted file mode 100644 index 82c9de6b55..0000000000 --- a/board/big/led.c +++ /dev/null @@ -1,179 +0,0 @@ -/* Copyright (c) 2014 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. - * - * Battery LED and Power LED control for Big - */ - -#include "gpio.h" -#include "hooks.h" -#include "battery.h" -#include "charge_state.h" -#include "chipset.h" -#include "led_common.h" -#include "util.h" - -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); - -enum led_color { - LED_OFF = 0, - LED_BLUE, - LED_ORANGE, - 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_CHARGING, 0); - gpio_set_level(GPIO_BAT_LED1, 0); - break; - case LED_BLUE: - gpio_set_level(GPIO_CHARGING, 0); - gpio_set_level(GPIO_BAT_LED1, 1); - break; - case LED_ORANGE: - gpio_set_level(GPIO_CHARGING, 1); - gpio_set_level(GPIO_BAT_LED1, 0); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -static int pwr_led_set_color(enum led_color color) -{ - switch (color) { - case LED_OFF: - gpio_set_level(GPIO_LED_POWER_L, 0); - gpio_set_level(GPIO_PWR_LED0, 0); - break; - case LED_BLUE: - gpio_set_level(GPIO_LED_POWER_L, 1); - gpio_set_level(GPIO_PWR_LED0, 0); - break; - case LED_ORANGE: - gpio_set_level(GPIO_LED_POWER_L, 0); - gpio_set_level(GPIO_PWR_LED0, 1); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) -{ - /* Ignoring led_id as both leds support the same colors */ - brightness_range[EC_LED_COLOR_BLUE] = 1; - brightness_range[EC_LED_COLOR_YELLOW] = 1; -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - switch (led_id) { - case EC_LED_ID_BATTERY_LED: - if (brightness[EC_LED_COLOR_BLUE] != 0) - bat_led_set_color(LED_BLUE); - else if (brightness[EC_LED_COLOR_YELLOW] != 0) - bat_led_set_color(LED_ORANGE); - else - bat_led_set_color(LED_OFF); - break; - case EC_LED_ID_POWER_LED: - if (brightness[EC_LED_COLOR_BLUE] != 0) - pwr_led_set_color(LED_BLUE); - else if (brightness[EC_LED_COLOR_YELLOW] != 0) - pwr_led_set_color(LED_ORANGE); - else - pwr_led_set_color(LED_OFF); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -static void big_led_set_power(void) -{ - static int power_second; - - power_second++; - - /* PWR LED behavior: - * Power on: Blue - * Suspend: Orange in breeze mode ( 1 sec on/ 3 sec off) - * Power off: OFF - */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - pwr_led_set_color(LED_OFF); - else if (chipset_in_state(CHIPSET_STATE_ON)) - pwr_led_set_color(LED_BLUE); - else if (chipset_in_state(CHIPSET_STATE_SUSPEND)) - pwr_led_set_color((power_second & 3) ? LED_OFF : LED_ORANGE); -} - -static void big_led_set_battery(void) -{ - static int battery_second; - uint32_t chflags = charge_get_flags(); - - battery_second++; - - /* BAT LED behavior: - * Fully charged / idle: Blue - * Force idle (for factory): 2 secs of blue, 2 secs of yellow - * Under charging: Orange - * Battery low (10%): Orange in breeze mode (1 sec on, 3 sec off) - * Battery critical low (less than 3%) or abnormal battery - * situation: Orange in blinking mode (1 sec on, 1 sec off) - * Using battery or not connected to AC power: OFF - */ - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - bat_led_set_color(LED_ORANGE); - break; - case PWR_STATE_DISCHARGE: - if (charge_get_percent() < 3) - bat_led_set_color((battery_second & 1) - ? LED_OFF : LED_ORANGE); - else if (charge_get_percent() < 10) - bat_led_set_color((battery_second & 3) - ? LED_OFF : LED_ORANGE); - else - bat_led_set_color(LED_OFF); - break; - case PWR_STATE_ERROR: - bat_led_set_color((battery_second & 1) ? LED_OFF : LED_ORANGE); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - bat_led_set_color(LED_BLUE); - break; - case PWR_STATE_IDLE: /* External power connected in IDLE. */ - if (chflags & CHARGE_FLAG_FORCE_IDLE) - bat_led_set_color( - (battery_second & 0x2) ? LED_BLUE : LED_ORANGE); - else - bat_led_set_color(LED_BLUE); - break; - default: - /* Other states don't alter LED behavior */ - break; - } -} - -/** * Called by hook task every 1 sec */ -static void led_second(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED)) - big_led_set_power(); - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - big_led_set_battery(); -} -DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT); - |