diff options
Diffstat (limited to 'board/oak/led.c')
| -rw-r--r-- | board/oak/led.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/board/oak/led.c b/board/oak/led.c deleted file mode 100644 index 877f115a12..0000000000 --- a/board/oak/led.c +++ /dev/null @@ -1,266 +0,0 @@ -/* Copyright 2015 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. - * - * Battery LED and Power LED control for Oak Board. - */ - -#include "battery.h" -#include "charge_state.h" -#include "chipset.h" -#include "gpio.h" -#include "hooks.h" -#include "led_common.h" -#include "util.h" -#include "system.h" - -const enum ec_led_id supported_led_ids[] = { - EC_LED_ID_BATTERY_LED -}; - -const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); - -enum led_color { - BAT_LED_GREEN = 0, - BAT_LED_ORANGE, - BAT_LED_RED, - BAT_LED_AMBER, - PWR_LED_GREEN, - PWR_LED_ORANGE, - LED_COLOR_COUNT /* Number of colors, not a color itself */ -}; - -static int bat_led_set(enum led_color color, int on) -{ - /* Before Rev5, it's active low; After that, it's active high */ - if (system_get_board_version() < OAK_REV5) - on = !on; - - switch (color) { - case BAT_LED_GREEN: - gpio_set_level(GPIO_BAT_LED0, on); /* BAT_LED_GREEN */ - break; - case BAT_LED_ORANGE: - /* for rev2 or before */ - gpio_set_level(GPIO_BAT_LED1, on); /* BAT_LED_ORANGE */ - break; - case BAT_LED_RED: - /* for rev3 or later */ - gpio_set_level(GPIO_BAT_LED1, on); /* BAT_LED_RED */ - break; - case BAT_LED_AMBER: - /* for rev3 or later */ - gpio_set_level(GPIO_BAT_LED0, on); /* BAT_LED_AMBER */ - gpio_set_level(GPIO_BAT_LED1, on); - break; - case PWR_LED_GREEN: - gpio_set_level(GPIO_PWR_LED0, on); /* PWR_LED_GREEN */ - break; - case PWR_LED_ORANGE: - gpio_set_level(GPIO_PWR_LED1, on); /* PWR_LED_ORANGE */ - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) -{ - /* Ignoring led_id as both leds support the same colors */ - brightness_range[EC_LED_COLOR_RED] = 1; - brightness_range[EC_LED_COLOR_GREEN] = 1; - brightness_range[EC_LED_COLOR_YELLOW] = 1; -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - if (EC_LED_ID_BATTERY_LED == led_id) { - if (brightness[EC_LED_COLOR_GREEN] != 0) { - bat_led_set(BAT_LED_GREEN, 1); - bat_led_set(BAT_LED_ORANGE, 0); - } else if (brightness[EC_LED_COLOR_YELLOW] != 0) { - bat_led_set(BAT_LED_GREEN, 1); - bat_led_set(BAT_LED_ORANGE, 1); - } else if (brightness[EC_LED_COLOR_RED] != 0) { - bat_led_set(BAT_LED_GREEN, 0); - bat_led_set(BAT_LED_RED, 1); - } else { - bat_led_set(BAT_LED_GREEN, 0); - bat_led_set(BAT_LED_ORANGE, 0); - } - return EC_SUCCESS; - } else if (EC_LED_ID_POWER_LED == led_id) { - if (brightness[EC_LED_COLOR_GREEN] != 0) { - bat_led_set(PWR_LED_GREEN, 1); - bat_led_set(PWR_LED_ORANGE, 0); - } else if (brightness[EC_LED_COLOR_YELLOW] != 0) { - bat_led_set(PWR_LED_GREEN, 1); - bat_led_set(PWR_LED_ORANGE, 1); - } else { - bat_led_set(PWR_LED_GREEN, 0); - bat_led_set(PWR_LED_ORANGE, 0); - } - return EC_SUCCESS; - } else { - return EC_ERROR_UNKNOWN; - } -} - -static void oak_led_set_power(int board_version) -{ - static int power_second; - - power_second++; - - switch(board_version) { - case OAK_REV3: - case OAK_REV4: - /* - * For Rev3 and Rev4 revision. - * PWR LED behavior: - * Power on: Green ON - * Suspend: Orange in breeze mode ( 1 sec on/ 3 sec off) - * Power off: OFF - */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) { - bat_led_set(PWR_LED_GREEN, 0); - bat_led_set(PWR_LED_ORANGE, 0); - } else if (chipset_in_state(CHIPSET_STATE_ON)) { - bat_led_set(PWR_LED_GREEN, 1); - bat_led_set(PWR_LED_ORANGE, 0); - } else if (chipset_in_state(CHIPSET_STATE_SUSPEND)) { - bat_led_set(PWR_LED_GREEN, 0); - bat_led_set(PWR_LED_ORANGE, - (power_second & 3) ? 0 : 1); - } - break; - default: - break; - } -} - -static void oak_led_set_battery(int board_version) -{ - static int battery_second; - - battery_second++; - - switch(board_version) { - case OAK_REV3: - case OAK_REV4: - /* - * For Rev3 and Rev4 revision: - * BAT LED behavior: - * - Fully charged / idle: Green ON - * - Charging: Amber ON (BAT_LED_RED && BAT_LED_GREEN) - * - Battery discharging capacity<10%, red blink - * - Battery error: Red ON - */ - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - bat_led_set(BAT_LED_AMBER, 1); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - bat_led_set(BAT_LED_GREEN, 1); - bat_led_set(BAT_LED_RED, 0); - break; - case PWR_STATE_DISCHARGE: - bat_led_set(BAT_LED_GREEN, 0); - if (charge_get_percent() < 3) - bat_led_set(BAT_LED_RED, - (battery_second & 1) ? 0 : 1); - else if (charge_get_percent() < 10) - bat_led_set(BAT_LED_RED, - (battery_second & 3) ? 0 : 1); - else - bat_led_set(BAT_LED_RED, 0); - break; - case PWR_STATE_ERROR: - bat_led_set(BAT_LED_RED, 1); - break; - case PWR_STATE_IDLE: /* Ext. power connected in IDLE. */ - bat_led_set(BAT_LED_GREEN, 1); - bat_led_set(BAT_LED_RED, 0); - break; - default: - /* Other states don't alter LED behavior */ - break; - } - break; /* End of case OAK_REV3 & OAK_REV4 */ - default: - /* - * Put power control here since we are using the "battery" LED. - * This allows LED autocontrol to be turned off by cmd during factory test. - * - * PWR LED behavior: - * Power on: Green - * Suspend: Green in breeze mode ( 1 sec on/ 3 sec off) - * Power off: OFF - */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - bat_led_set(BAT_LED_GREEN, 0); - else if (chipset_in_state(CHIPSET_STATE_ON)) - bat_led_set(BAT_LED_GREEN, 1); - else if (chipset_in_state(CHIPSET_STATE_SUSPEND)) { - int cycle_time = 4; - /* Oak rev5 with GlaDOS ID has a extremely power - * comsuming LED. Increase LED blink cycle time to reduce - * S3 power comsuption. */ - if (board_version >= OAK_REV5) - cycle_time = 10; - bat_led_set(BAT_LED_GREEN, - (battery_second % cycle_time) ? 0 : 1); - } - - /* BAT LED behavior: - * Fully charged / idle: Off - * Under charging: Orange - * Bat. low (10%): Orange in breeze mode (1s on, 3s off) - * Bat. critical low (less than 3%) or abnormal battery - * situation: Orange in blinking mode (1s on, 1s off) - * Using battery or not connected to AC power: OFF - */ - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - bat_led_set(BAT_LED_ORANGE, 1); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - bat_led_set(BAT_LED_ORANGE, 1); - break; - case PWR_STATE_DISCHARGE: - if (charge_get_percent() < 3) - bat_led_set(BAT_LED_ORANGE, - (battery_second & 1) ? 0 : 1); - else if (charge_get_percent() < 10) - bat_led_set(BAT_LED_ORANGE, - (battery_second & 3) ? 0 : 1); - else - bat_led_set(BAT_LED_ORANGE, 0); - break; - case PWR_STATE_ERROR: - bat_led_set(BAT_LED_ORANGE, - (battery_second & 1) ? 0 : 1); - break; - case PWR_STATE_IDLE: /* Ext. power connected in IDLE. */ - bat_led_set(BAT_LED_ORANGE, 0); - break; - default: - /* Other states don't alter LED behavior */ - break; - } - break; /* End of default */ - } -} - -/** - * Called by hook task every 1 sec - */ -static void led_second(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED)) - oak_led_set_power(system_get_board_version()); - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - oak_led_set_battery(system_get_board_version()); -} -DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT); |