diff options
Diffstat (limited to 'board/pompom/led.c')
| -rw-r--r-- | board/pompom/led.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/board/pompom/led.c b/board/pompom/led.c deleted file mode 100644 index db571a067c..0000000000 --- a/board/pompom/led.c +++ /dev/null @@ -1,187 +0,0 @@ -/* Copyright 2020 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" - -#define LED_ON_LVL 1 -#define LED_OFF_LVL 0 - -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_AMBER, - LED_WHITE, - LED_COLOR_COUNT /* Number of colors, not a color itself */ -}; - -static void led_set_color_battery(enum led_color color) -{ - gpio_set_level(GPIO_EC_CHG_LED_Y_C0, - (color == LED_AMBER) ? LED_ON_LVL : LED_OFF_LVL); - gpio_set_level(GPIO_EC_CHG_LED_W_C0, - (color == LED_WHITE) ? LED_ON_LVL : LED_OFF_LVL); -} - -void led_set_color_power(enum led_color color) -{ - gpio_set_level(GPIO_EC_PWR_LED_W, - (color == LED_WHITE) ? LED_ON_LVL : LED_OFF_LVL); -} - -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; - } else if (led_id == EC_LED_ID_POWER_LED) { - 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(LED_WHITE); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color_battery(LED_AMBER); - else - led_set_color_battery(LED_OFF); - } else if (led_id == EC_LED_ID_POWER_LED) { - if (brightness[EC_LED_COLOR_WHITE] != 0) - led_set_color_power(LED_WHITE); - else - led_set_color_power(LED_OFF); - } - - return EC_SUCCESS; -} - -static void board_led_set_battery(void) -{ - static int battery_ticks; - int color = LED_OFF; - int period = 0; - uint32_t chflags = charge_get_flags(); - - battery_ticks++; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - /* Always indicate amber on when charging. */ - color = LED_AMBER; - break; - case PWR_STATE_DISCHARGE: - /* Discharging : off */ - color = LED_OFF; - break; - case PWR_STATE_ERROR: - /* Battery error: Amber 1 sec, off 1 sec */ - period = (1 + 1); - battery_ticks = battery_ticks % period; - if (battery_ticks < 1) - color = LED_AMBER; - else - color = LED_OFF; - break; - case PWR_STATE_CHARGE_NEAR_FULL: - /* Full Charged: White on */ - color = LED_WHITE; - break; - case PWR_STATE_IDLE: /* External power connected in IDLE */ - if (chflags & CHARGE_FLAG_FORCE_IDLE) { - /* Factory mode: White 2 sec, Amber 2 sec */ - period = (2 + 2); - battery_ticks = battery_ticks % period; - if (battery_ticks < 2) - color = LED_WHITE; - else - color = LED_AMBER; - } else - color = LED_WHITE; - break; - default: - /* Other states don't alter LED behavior */ - break; - } - - led_set_color_battery(color); -} - -static void board_led_set_power(void) -{ - static int power_ticks; - int color = LED_OFF; - int period = 0; - - power_ticks++; - - if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) { - /* S3: On 1 sec, Off 3 sec */ - period = (1 + 3); - power_ticks = power_ticks % period; - if (power_ticks < 1) - color = LED_WHITE; - else - color = LED_OFF; - } else if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) { - /* S5: LED off */ - color = LED_OFF; - } else if (chipset_in_state(CHIPSET_STATE_ON)) { - /* S0: LED on */ - color = LED_WHITE; - } - - led_set_color_power(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(); - if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED)) - board_led_set_power(); -} -DECLARE_HOOK(HOOK_SECOND, 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_WHITE : LED_OFF; - - led_auto_control(EC_LED_ID_BATTERY_LED, 0); - - led_set_color_battery(color); -} |