diff options
Diffstat (limited to 'board/corori/led.c')
| -rw-r--r-- | board/corori/led.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/board/corori/led.c b/board/corori/led.c deleted file mode 100644 index 96a43caa76..0000000000 --- a/board/corori/led.c +++ /dev/null @@ -1,225 +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 for lalala - */ - -#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 "system.h" -#include "util.h" - -#define LED_ON_LVL 0 -#define LED_OFF_LVL 1 -#define LED_INDEFINITE UINT8_MAX -#define LED_ONE_SEC (1000 / HOOK_TICK_INTERVAL_MS) -#define LED_OFF EC_LED_COLOR_COUNT - -struct led_descriptor { - enum ec_led_colors color; - uint8_t time; -}; - -enum led_phase { - LED_PHASE_0, - LED_PHASE_1, - LED_NUM_PHASES -}; - -enum led_states { - STATE_CHARGING, - STATE_CHARGING_FULL_CHARGE, - STATE_DISCHARGE_S0, - STATE_DISCHARGE_S0_BAT_LOW, - STATE_BATTERY_S0_ERROR, - STATE_BATTERY_S3_BLINK, - STATE_BATTERY_S5_OFF, - STATE_FACTORY_TEST, - LED_NUM_STATES -}; - -static const struct led_descriptor - led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = { - [STATE_CHARGING] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} }, - [STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_WHITE, LED_INDEFINITE} }, - [STATE_DISCHARGE_S0] = {{EC_LED_COLOR_WHITE, LED_INDEFINITE} }, - [STATE_DISCHARGE_S0_BAT_LOW] = {{EC_LED_COLOR_AMBER, 1 * LED_ONE_SEC}, - {LED_OFF, 3 * LED_ONE_SEC} }, - [STATE_BATTERY_S0_ERROR] = {{EC_LED_COLOR_AMBER, 1 * LED_ONE_SEC}, - {LED_OFF, 1 * LED_ONE_SEC} }, - [STATE_BATTERY_S3_BLINK] = {{EC_LED_COLOR_WHITE, 1 * LED_ONE_SEC}, - {LED_OFF, 3 * LED_ONE_SEC} }, - [STATE_BATTERY_S5_OFF] = {{LED_OFF, LED_INDEFINITE} }, - [STATE_FACTORY_TEST] = {{EC_LED_COLOR_WHITE, 2 * LED_ONE_SEC}, - {EC_LED_COLOR_AMBER, 2 * LED_ONE_SEC} }, -}; - -const enum ec_led_id supported_led_ids[] = { - EC_LED_ID_BATTERY_LED -}; - -const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); - - -static int led_get_charge_percent(void) -{ - return DIV_ROUND_NEAREST(charge_get_display_charge(), 10); -} - -void led_set_color_battery(enum ec_led_colors color) -{ - switch (color) { - case EC_LED_COLOR_AMBER: - gpio_set_level(GPIO_BAT_LED_AMBER, LED_ON_LVL); - gpio_set_level(GPIO_PWR_LED_WHITE, LED_OFF_LVL); - break; - case EC_LED_COLOR_WHITE: - gpio_set_level(GPIO_BAT_LED_AMBER, LED_OFF_LVL); - gpio_set_level(GPIO_PWR_LED_WHITE, LED_ON_LVL); - break; - default: /* LED_OFF and other unsupported colors */ - gpio_set_level(GPIO_BAT_LED_AMBER, LED_OFF_LVL); - gpio_set_level(GPIO_PWR_LED_WHITE, LED_OFF_LVL); - 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_AMBER] = 1; - brightness_range[EC_LED_COLOR_WHITE] = 1; - } -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - if (led_id == EC_LED_ID_BATTERY_LED) { - if (brightness[EC_LED_COLOR_WHITE] != 0) - led_set_color_battery(EC_LED_COLOR_WHITE); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color_battery(EC_LED_COLOR_AMBER); - else - led_set_color_battery(LED_OFF); - } - return EC_SUCCESS; -} - -/* Custom led on off states control */ -static enum led_states led_get_state(void) -{ - enum led_states new_state = LED_NUM_STATES; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - new_state = STATE_CHARGING; - break; - case PWR_STATE_DISCHARGE_FULL: - if (extpower_is_present()) { - new_state = STATE_CHARGING_FULL_CHARGE; - break; - } - /* Intentional fall-through */ - case PWR_STATE_DISCHARGE /* and PWR_STATE_DISCHARGE_FULL */: - if (chipset_in_state(CHIPSET_STATE_ON)) - new_state = (led_get_charge_percent() < 10) ? - STATE_DISCHARGE_S0_BAT_LOW : STATE_DISCHARGE_S0; - else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) - new_state = STATE_BATTERY_S3_BLINK; - else - new_state = STATE_BATTERY_S5_OFF; - break; - case PWR_STATE_ERROR: - if (chipset_in_state(CHIPSET_STATE_ON)) - new_state = STATE_BATTERY_S0_ERROR; - else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) - new_state = STATE_BATTERY_S3_BLINK; - else - new_state = STATE_BATTERY_S5_OFF; - break; - case PWR_STATE_CHARGE_NEAR_FULL: - new_state = STATE_CHARGING_FULL_CHARGE; - break; - case PWR_STATE_IDLE: /* External power connected in IDLE */ - if (charge_get_flags() & CHARGE_FLAG_FORCE_IDLE) - new_state = STATE_FACTORY_TEST; - else - new_state = STATE_DISCHARGE_S0; - break; - default: - /* Other states don't alter LED behavior */ - break; - } - - return new_state; -} - -static void led_update_battery(void) -{ - static uint8_t ticks, period; - static int led_state = LED_NUM_STATES; - int phase; - enum led_states desired_state = led_get_state(); - - /* - * We always need to check the current state since the value could - * have been manually overwritten. If we're in a new valid state, - * update our ticks and period info. If our new state isn't defined, - * continue using the previous one. - */ - if (desired_state != led_state && desired_state < LED_NUM_STATES) { - /* State is changing */ - led_state = desired_state; - /* Reset ticks and period when state changes */ - ticks = 0; - - period = led_bat_state_table[led_state][LED_PHASE_0].time + - led_bat_state_table[led_state][LED_PHASE_1].time; - - } - - /* If this state is undefined, turn the LED off */ - if (period == 0) { - led_set_color_battery(LED_OFF); - return; - } - - /* - * Determine which phase of the state table to use. The phase is - * determined if it falls within first phase time duration. - */ - phase = ticks < led_bat_state_table[led_state][LED_PHASE_0].time ? - 0 : 1; - ticks = (ticks + 1) % period; - - /* Set the color for the given state and phase */ - led_set_color_battery(led_bat_state_table[led_state][phase].color); -} - -static void led_init(void) -{ - /* If battery LED is enabled, set it to "off" to start with */ - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - led_set_color_battery(LED_OFF); -} -DECLARE_HOOK(HOOK_INIT, led_init, HOOK_PRIO_DEFAULT); - -/* Called by hook task every hook tick (200 msec) */ -static void led_update(void) -{ - /* - * If battery LED is enabled, set its state based on our power and - * charge - */ - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - led_update_battery(); -} -DECLARE_HOOK(HOOK_TICK, led_update, HOOK_PRIO_DEFAULT); |