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Diffstat (limited to 'board/chronicler/led.c')
| -rw-r--r-- | board/chronicler/led.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/board/chronicler/led.c b/board/chronicler/led.c deleted file mode 100644 index dfa7fefa1b..0000000000 --- a/board/chronicler/led.c +++ /dev/null @@ -1,204 +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 Chronicler - */ - -#include "battery.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "chipset.h" -#include "ec_commands.h" -#include "gpio.h" -#include "host_command.h" -#include "led_common.h" -#include "hooks.h" - -#define BAT_LED_ON 0 -#define BAT_LED_OFF 1 - -#define POWER_LED_ON 0 -#define POWER_LED_OFF 1 - -#define LED_CYCLE_TIME_MS (2 * 1000) -#define LED_TICKS_PER_CYCLE (LED_CYCLE_TIME_MS / HOOK_TICK_INTERVAL_MS) -#define LED_ON_TIME_MS (1 * 1000) -#define LED_ON_TICKS (LED_ON_TIME_MS / HOOK_TICK_INTERVAL_MS) - -const enum ec_led_id supported_led_ids[] = { - EC_LED_ID_LEFT_LED, - EC_LED_ID_RIGHT_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 { - RIGHT_PORT = 0, - LEFT_PORT -}; - -static void led_set_color_battery(enum led_port port, enum led_color color) -{ - enum gpio_signal amber_led, white_led; - - amber_led = (port == RIGHT_PORT ? GPIO_C0_CHARGE_LED_AMBER_L : - GPIO_C1_CHARGE_LED_AMBER_L); - white_led = (port == RIGHT_PORT ? GPIO_C0_CHARGE_LED_WHITE_L : - GPIO_C1_CHARGE_LED_WHITE_L); - - switch (color) { - 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; - case LED_OFF: - gpio_set_level(white_led, BAT_LED_OFF); - gpio_set_level(amber_led, BAT_LED_OFF); - break; - default: - break; - } -} - -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; - default: - break; - } -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - switch (led_id) { - case EC_LED_ID_LEFT_LED: - if (brightness[EC_LED_COLOR_WHITE] != 0) - led_set_color_battery(LEFT_PORT, LED_WHITE); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color_battery(LEFT_PORT, LED_AMBER); - else - led_set_color_battery(LEFT_PORT, LED_OFF); - break; - case EC_LED_ID_RIGHT_LED: - if (brightness[EC_LED_COLOR_WHITE] != 0) - led_set_color_battery(RIGHT_PORT, LED_WHITE); - else if (brightness[EC_LED_COLOR_AMBER] != 0) - led_set_color_battery(RIGHT_PORT, LED_AMBER); - else - led_set_color_battery(RIGHT_PORT, LED_OFF); - break; - default: - return EC_ERROR_PARAM1; - } - - 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 suspend_ticks; - uint32_t chflags = charge_get_flags(); - - battery_ticks++; - - /* - * Override battery LEDs for Chronicler, Chronicler doesn't - * have power LED, blinking both two side battery white - * LEDs to indicate system suspend without charging state. - */ - if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND) && - charge_get_state() != PWR_STATE_CHARGE) { - - suspend_ticks++; - - led_set_color_battery(RIGHT_PORT, suspend_ticks & 0x4 ? - LED_WHITE : LED_OFF); - led_set_color_battery(LEFT_PORT, suspend_ticks & 0x4 ? - LED_WHITE : LED_OFF); - return; - } - - suspend_ticks = 0; - - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - /* Always indicate when charging, even in suspend. */ - set_active_port_color(LED_AMBER); - break; - case PWR_STATE_DISCHARGE: - if (led_auto_control_is_enabled(EC_LED_ID_RIGHT_LED)) { - if (charge_get_percent() < 10) - led_set_color_battery(RIGHT_PORT, - (battery_ticks % LED_TICKS_PER_CYCLE - < LED_ON_TICKS) ? LED_WHITE : LED_OFF); - else - led_set_color_battery(RIGHT_PORT, LED_OFF); - } - - if (led_auto_control_is_enabled(EC_LED_ID_LEFT_LED)) - led_set_color_battery(LEFT_PORT, 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 % - LED_TICKS_PER_CYCLE < LED_ON_TICKS) ? - LED_AMBER : LED_OFF); - else - set_active_port_color(LED_WHITE); - break; - default: - /* Other states don't alter LED behavior */ - break; - } -} - -/* Called by hook task every TICK */ -static void led_tick(void) -{ - led_set_battery(); -} -DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT); |