diff options
Diffstat (limited to 'board/homestar/led.c')
| -rw-r--r-- | board/homestar/led.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/board/homestar/led.c b/board/homestar/led.c deleted file mode 100644 index 3950ce1ec0..0000000000 --- a/board/homestar/led.c +++ /dev/null @@ -1,164 +0,0 @@ -/* Copyright 2021 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. - */ - -#include "battery.h" -#include "charge_manager.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 "system.h" -#include "util.h" -#include "extpower.h" - -#define LED_ONE_SEC (1000 / HOOK_TICK_INTERVAL_MS) -/* Battery LED blinks every per 400ms */ -#define LED_HALF_ONE_SEC (500 / HOOK_TICK_INTERVAL_MS) - -#define BAT_LED_ON 1 -#define BAT_LED_OFF 0 - -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_GREEN, - LED_AMBER, - LED_COLOR_COUNT /* Number of colors, not a color itself */ -}; - -static void led_set_color(enum led_color color) -{ - gpio_set_level(GPIO_EC_CHG_LED_R_C0, - (color == LED_RED) ? BAT_LED_ON : BAT_LED_OFF); - gpio_set_level(GPIO_EC_CHG_LED_G_C0, - (color == LED_GREEN) ? BAT_LED_ON : BAT_LED_OFF); - if (color == LED_AMBER) { - gpio_set_level(GPIO_EC_CHG_LED_R_C0, BAT_LED_ON); - gpio_set_level(GPIO_EC_CHG_LED_G_C0, BAT_LED_ON); - } -} - -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; - 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_RED] != 0) - led_set_color(LED_RED); - else if (brightness[EC_LED_COLOR_GREEN] != 0) - led_set_color(LED_GREEN); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color(LED_AMBER); - else - led_set_color(LED_OFF); - - return EC_SUCCESS; -} - -static void board_led_set_battery(void) -{ - static int battery_ticks; - int color = LED_OFF; - int period = 0; - int percent = DIV_ROUND_NEAREST(charge_get_display_charge(), 10); - uint32_t chflags = charge_get_flags(); - - battery_ticks++; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - case PWR_STATE_CHARGE_NEAR_FULL: - if (chipset_in_state(CHIPSET_STATE_ON | - CHIPSET_STATE_ANY_SUSPEND | - CHIPSET_STATE_ANY_OFF)) { - if (percent <= BATTERY_LEVEL_CRITICAL) { - /* battery capa <= 5%, Red */ - color = LED_RED; - } else if (percent > BATTERY_LEVEL_CRITICAL && - percent < BATTERY_LEVEL_NEAR_FULL) { - /* 5% < battery capa < 97%, Orange */ - color = LED_AMBER; - } else { - /* battery capa >= 97%, Green */ - color = LED_GREEN; - } - } - break; - case PWR_STATE_DISCHARGE: - /* Always indicate off on when discharging */ - color = LED_OFF; - break; - case PWR_STATE_ERROR: - /* Battery error, Red on 1sec off 1sec */ - period = (1 + 1) * LED_ONE_SEC; - battery_ticks = battery_ticks % period; - if (battery_ticks < 1 * LED_ONE_SEC) - color = LED_RED; - else - color = LED_OFF; - break; - case PWR_STATE_IDLE: /* External power connected in IDLE */ - if (chflags & CHARGE_FLAG_FORCE_IDLE) { - /* Factory mode, Red 2 sec, green 2 sec */ - period = (2 + 2) * LED_ONE_SEC; - battery_ticks = battery_ticks % period; - if (battery_ticks < 2 * LED_ONE_SEC) - color = LED_RED; - else - color = LED_GREEN; - } else - color = LED_RED; - break; - default: - /* Other states don't alter LED behavior */ - break; - } - - led_set_color(color); -} - -/* Called by hook task every TICK */ -static void led_tick(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - board_led_set_battery(); -} -DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT); - -void led_control(enum ec_led_id led_id, enum ec_led_state state) -{ - enum led_color color; - - if ((led_id != EC_LED_ID_RECOVERY_HW_REINIT_LED) && - (led_id != EC_LED_ID_SYSRQ_DEBUG_LED)) - return; - - if (state == LED_STATE_RESET) { - led_auto_control(EC_LED_ID_BATTERY_LED, 1); - board_led_set_battery(); - return; - } - - color = state ? LED_RED : LED_OFF; - - led_auto_control(EC_LED_ID_BATTERY_LED, 0); - - led_set_color(color); -} |