diff options
Diffstat (limited to 'board/lantis/led.c')
-rw-r--r-- | board/lantis/led.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/board/lantis/led.c b/board/lantis/led.c deleted file mode 100644 index c4868de740..0000000000 --- a/board/lantis/led.c +++ /dev/null @@ -1,241 +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. - */ - -/* Lantis specific LED settings. */ - -#include "cbi_fw_config.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "extpower.h" -#include "hooks.h" -#include "led_common.h" - -#define BAT_LED_ON 0 -#define BAT_LED_OFF 1 - -#define POWER_LED_ON 0 -#define POWER_LED_OFF 1 - -const enum ec_led_id supported_led_ids[] = { - EC_LED_ID_LEFT_LED, - EC_LED_ID_RIGHT_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 */ -}; - -enum led_port { - LEFT_PORT = 0, - RIGHT_PORT -}; - -static int led_set_color_battery(int port, enum led_color color) -{ - enum gpio_signal amber_led, white_led; - - amber_led = (port == RIGHT_PORT ? GPIO_BAT_LED_AMBER_C1 : - GPIO_BAT_LED_AMBER_C0); - white_led = (port == RIGHT_PORT ? GPIO_BAT_LED_WHITE_C1 : - GPIO_BAT_LED_WHITE_C0); - - switch (color) { - case LED_OFF: - gpio_set_level(white_led, BAT_LED_OFF); - gpio_set_level(amber_led, BAT_LED_OFF); - break; - case LED_WHITE: - gpio_set_level(white_led, BAT_LED_ON); - gpio_set_level(amber_led, BAT_LED_OFF); - break; - case LED_AMBER: - gpio_set_level(white_led, BAT_LED_OFF); - gpio_set_level(amber_led, BAT_LED_ON); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -static int led_set_color_power(enum ec_led_colors color) -{ - switch (color) { - case LED_OFF: - gpio_set_level(GPIO_PWR_LED_WHITE_L, POWER_LED_OFF); - break; - case LED_WHITE: - gpio_set_level(GPIO_PWR_LED_WHITE_L, POWER_LED_ON); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) -{ - switch (led_id) { - case EC_LED_ID_LEFT_LED: - brightness_range[EC_LED_COLOR_WHITE] = 1; - brightness_range[EC_LED_COLOR_AMBER] = 1; - break; - case EC_LED_ID_RIGHT_LED: - brightness_range[EC_LED_COLOR_WHITE] = 1; - brightness_range[EC_LED_COLOR_AMBER] = 1; - break; - case EC_LED_ID_POWER_LED: - brightness_range[EC_LED_COLOR_WHITE] = 1; - break; - default: - break; - } -} - -static int led_set_color(enum ec_led_id led_id, enum led_color color) -{ - int rv; - - switch (led_id) { - case EC_LED_ID_RIGHT_LED: - rv = led_set_color_battery(RIGHT_PORT, color); - break; - case EC_LED_ID_LEFT_LED: - rv = led_set_color_battery(LEFT_PORT, color); - break; - case EC_LED_ID_POWER_LED: - rv = led_set_color_power(color); - break; - default: - return EC_ERROR_UNKNOWN; - } - return rv; -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - if (brightness[EC_LED_COLOR_WHITE] != 0) - led_set_color(led_id, LED_WHITE); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color(led_id, LED_AMBER); - else - led_set_color(led_id, LED_OFF); - - return EC_SUCCESS; -} - -/* - * Set active charge port color to the parameter, turn off all others. - * If no port is active (-1), turn off all LEDs. - */ -static void set_active_port_color(enum led_color color) -{ - int port = charge_manager_get_active_charge_port(); - - if (led_auto_control_is_enabled(EC_LED_ID_RIGHT_LED)) - led_set_color_battery(RIGHT_PORT, - (port == RIGHT_PORT) ? color : LED_OFF); - if (led_auto_control_is_enabled(EC_LED_ID_LEFT_LED)) - led_set_color_battery(LEFT_PORT, - (port == LEFT_PORT) ? color : LED_OFF); -} - -static void led_set_battery(void) -{ - static int battery_ticks; - static int power_ticks; - uint32_t chflags = charge_get_flags(); - - battery_ticks++; - - /* - * Override battery LED for clamshell SKU, which doesn't have power - * LED, blinking battery white LED to indicate system suspend without - * charging. - */ - if (get_cbi_fw_config_tablet_mode() == TABLET_MODE_ABSENT) { - if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND) && - charge_get_state() != PWR_STATE_CHARGE) { - led_set_color_battery(RIGHT_PORT, power_ticks++ & 0x2 ? - LED_WHITE : LED_OFF); - led_set_color_battery(LEFT_PORT, power_ticks++ & 0x2 ? - LED_WHITE : LED_OFF); - return; - } - } - - power_ticks = 0; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - set_active_port_color(LED_AMBER); - break; - case PWR_STATE_DISCHARGE_FULL: - if (extpower_is_present()) { - set_active_port_color(LED_WHITE); - break; - } - /* Intentional fall-through */ - case PWR_STATE_DISCHARGE: - /* - * Blink white light (1 sec on, 1 sec off) - * when battery capacity is less than 10% - */ - if (charge_get_percent() < 10) - led_set_color_battery(RIGHT_PORT, - (battery_ticks & 0x2) ? LED_WHITE : LED_OFF); - else - set_active_port_color(LED_OFF); - break; - case PWR_STATE_ERROR: - set_active_port_color( - (battery_ticks % 0x2) ? LED_WHITE : LED_OFF); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - set_active_port_color(LED_WHITE); - break; - case PWR_STATE_IDLE: /* External power connected in IDLE */ - if (chflags & CHARGE_FLAG_FORCE_IDLE) - set_active_port_color( - (battery_ticks & 0x2) ? LED_AMBER : LED_OFF); - else - set_active_port_color(LED_WHITE); - break; - default: - /* Other states don't alter LED behavior */ - break; - } -} - -static void led_set_power(void) -{ - static int power_tick; - - power_tick++; - - if (chipset_in_state(CHIPSET_STATE_ON)) - led_set_color_power(LED_WHITE); - else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) - led_set_color_power( - (power_tick & 0x2) ? LED_WHITE : LED_OFF); - else - led_set_color_power(LED_OFF); -} - -/* Called by hook task every TICK */ -static void led_tick(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED)) - led_set_power(); - - led_set_battery(); -} -DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT); |