diff options
Diffstat (limited to 'common/led_onoff_states.c')
| -rw-r--r-- | common/led_onoff_states.c | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/common/led_onoff_states.c b/common/led_onoff_states.c deleted file mode 100644 index 48886e5de3..0000000000 --- a/common/led_onoff_states.c +++ /dev/null @@ -1,279 +0,0 @@ -/* Copyright 2018 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 state control - */ - -#include "battery.h" -#include "charge_state.h" -#include "chipset.h" -#include "console.h" -#include "ec_commands.h" -#include "extpower.h" -#include "hooks.h" -#include "led_common.h" -#include "led_onoff_states.h" -#include "system.h" -#include "util.h" - -#define CPRINTS(format, args...) cprints(CC_GPIO, format, ## args) - -/* - * In order to support the battery LED being optional (ex. for Chromeboxes), - * set up default battery table, setter, and variables. - */ -__overridable struct led_descriptor - led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES]; -__overridable const int led_charge_lvl_1; -__overridable const int led_charge_lvl_2; -__overridable void led_set_color_battery(enum ec_led_colors color) -{ -} - -#ifndef CONFIG_CHARGER -/* Include for the sake of compilation */ -int charge_get_percent(void); -#endif - -static int led_get_charge_percent(void) -{ - return DIV_ROUND_NEAREST(charge_get_display_charge(), 10); -} - -static enum led_states led_get_state(void) -{ - int charge_lvl; - enum led_states new_state = LED_NUM_STATES; - - if (!IS_ENABLED(CONFIG_CHARGER)) - return new_state; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - /* Get percent charge */ - charge_lvl = led_get_charge_percent(); - /* Determine which charge state to use */ - if (charge_lvl < led_charge_lvl_1) - new_state = STATE_CHARGING_LVL_1; - else if (charge_lvl < led_charge_lvl_2) - new_state = STATE_CHARGING_LVL_2; - else - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - new_state = STATE_CHARGING_FULL_S5; - else - new_state = STATE_CHARGING_FULL_CHARGE; - break; - case PWR_STATE_DISCHARGE_FULL: - if (extpower_is_present()) { - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - new_state = STATE_CHARGING_FULL_S5; - else - 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)) { -#ifdef CONFIG_LED_ONOFF_STATES_BAT_LOW - if (led_get_charge_percent() < - CONFIG_LED_ONOFF_STATES_BAT_LOW) - new_state = STATE_DISCHARGE_S0_BAT_LOW; - else -#endif - new_state = STATE_DISCHARGE_S0; - } else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) - new_state = STATE_DISCHARGE_S3; - else - new_state = STATE_DISCHARGE_S5; - break; - case PWR_STATE_ERROR: - new_state = STATE_BATTERY_ERROR; - break; - case PWR_STATE_CHARGE_NEAR_FULL: - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - new_state = STATE_CHARGING_FULL_S5; - else - 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 if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - new_state = STATE_DISCHARGE_S5; - else - new_state = STATE_DISCHARGE_S0; - break; - default: - /* Other states don't alter LED behavior */ - break; - } - - return new_state; -} - -__overridable enum led_states board_led_get_state(enum led_states desired_state) -{ - return desired_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(); - - desired_state = board_led_get_state(desired_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) { - /* - * Allow optional CHARGING_FULL_S5 state to fall back to - * FULL_CHARGE if not defined. - */ - if (desired_state == STATE_CHARGING_FULL_S5 && - led_bat_state_table[desired_state][LED_PHASE_0].time == 0) - desired_state = STATE_CHARGING_FULL_CHARGE; - - /* 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) { - CPRINTS("Undefined LED behavior for battery state %d," - "turning off LED", led_state); - 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); -} - -/* - * In order to support the power LED being optional, set up default power LED - * table and setter - */ -__overridable const struct led_descriptor - led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES]; -__overridable void led_set_color_power(enum ec_led_colors color) -{ -} - -static enum pwr_led_states pwr_led_get_state(void) -{ - if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) { - if (extpower_is_present()) - return PWR_LED_STATE_SUSPEND_AC; - else - return PWR_LED_STATE_SUSPEND_NO_AC; - } else if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) { - if (system_can_boot_ap()) - return PWR_LED_STATE_OFF; - else - return PWR_LED_STATE_OFF_LOW_POWER; - } else if (chipset_in_state(CHIPSET_STATE_ON)) { - return PWR_LED_STATE_ON; - } - - return PWR_LED_NUM_STATES; -} - -static void led_update_power(void) -{ - static uint8_t ticks, period; - static enum pwr_led_states led_state = PWR_LED_NUM_STATES; - int phase; - enum pwr_led_states desired_state = pwr_led_get_state(); - - /* - * If we're in a new valid state, update our ticks and period info. - * Otherwise, continue to use old state - */ - if (desired_state != led_state && desired_state < PWR_LED_NUM_STATES) { - /* - * Allow optional OFF_LOW_POWER state to fall back to - * OFF not defined, as indicated by no specified phase 0 time. - */ - if (desired_state == PWR_LED_STATE_OFF_LOW_POWER && - led_pwr_state_table[desired_state][LED_PHASE_0].time == 0) - desired_state = PWR_LED_STATE_OFF; - - /* State is changing */ - led_state = desired_state; - /* Reset ticks and period when state changes */ - ticks = 0; - - period = led_pwr_state_table[led_state][LED_PHASE_0].time + - led_pwr_state_table[led_state][LED_PHASE_1].time; - - } - - /* If this state is undefined, turn the LED off */ - if (period == 0) { - CPRINTS("Undefined LED behavior for power state %d," - "turning off LED", led_state); - led_set_color_power(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_pwr_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_power(led_pwr_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); - - /* If power LED is enabled, set it to "off" to start with */ - if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED)) - led_set_color_power(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(); - if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED)) - led_update_power(); -} -DECLARE_HOOK(HOOK_TICK, led_update, HOOK_PRIO_DEFAULT); |