diff options
Diffstat (limited to 'common/led_policy_std.c')
| -rw-r--r-- | common/led_policy_std.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/common/led_policy_std.c b/common/led_policy_std.c deleted file mode 100644 index e9fe4568a2..0000000000 --- a/common/led_policy_std.c +++ /dev/null @@ -1,202 +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. - * - * Standard Battery LED and Power LED control - * This assumes a red/green battery led and a single power led. - */ - -#include "gpio.h" -#include "hooks.h" -#include "battery.h" -#include "charge_state.h" -#include "chipset.h" -#include "led_common.h" -#include "util.h" -#include "lid_switch.h" - -#ifdef CONFIG_LED_BAT_ACTIVE_LOW -#define BAT_LED_ON 0 -#define BAT_LED_OFF 1 -#else -#define BAT_LED_ON 1 -#define BAT_LED_OFF 0 -#endif - -#ifdef CONFIG_LED_POWER_ACTIVE_LOW -#define POWER_LED_ON 0 -#define POWER_LED_OFF 1 -#else -#define POWER_LED_ON 1 -#define POWER_LED_OFF 0 -#endif - -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_RED, - LED_AMBER, - LED_GREEN, - LED_WHITE, - LED_COLOR_COUNT /* Number of colors, not a color itself */ -}; - -static int bat_led_set_color(enum led_color color) -{ - switch (color) { - case LED_OFF: - gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_OFF); - break; - case LED_RED: - gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_ON); - break; - case LED_AMBER: - gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_ON); - gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_ON); - break; - case LED_GREEN: - gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_ON); - gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_OFF); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -static int pwr_led_set_color(enum led_color color) -{ - switch (color) { - case LED_OFF: - gpio_set_level(GPIO_POWER_LED, POWER_LED_OFF); - break; - case LED_WHITE: - gpio_set_level(GPIO_POWER_LED, - lid_is_open() ? POWER_LED_ON : POWER_LED_OFF); - 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_BATTERY_LED: - brightness_range[EC_LED_COLOR_RED] = 1; - brightness_range[EC_LED_COLOR_GREEN] = 1; - break; - case EC_LED_ID_POWER_LED: - brightness_range[EC_LED_COLOR_WHITE] = 1; - break; - default: - /* ignore */ - break; - } -} - -int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) -{ - switch (led_id) { - case EC_LED_ID_BATTERY_LED: - gpio_set_level(GPIO_BAT_LED_RED, - (brightness[EC_LED_COLOR_RED] != 0) ? - BAT_LED_ON : BAT_LED_OFF); - gpio_set_level(GPIO_BAT_LED_GREEN, - (brightness[EC_LED_COLOR_GREEN] != 0) ? - BAT_LED_ON : BAT_LED_OFF); - break; - case EC_LED_ID_POWER_LED: - gpio_set_level(GPIO_POWER_LED, - (brightness[EC_LED_COLOR_WHITE] != 0) ? - POWER_LED_ON : POWER_LED_OFF); - break; - default: - return EC_ERROR_UNKNOWN; - } - return EC_SUCCESS; -} - -#ifdef HAS_TASK_CHIPSET -static void std_led_shutdown(void) -{ - pwr_led_set_color(LED_OFF); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, std_led_shutdown, HOOK_PRIO_DEFAULT); -#endif - -static void std_led_set_power(void) -{ - static int power_second; - - power_second++; - - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - pwr_led_set_color(LED_OFF); - else if (chipset_in_state(CHIPSET_STATE_ON)) - pwr_led_set_color(LED_WHITE); - else if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) - pwr_led_set_color((power_second & 3) ? LED_OFF : LED_WHITE); -} - -static void std_led_set_battery(void) -{ - static int battery_second; - uint32_t chflags = charge_get_flags(); - - battery_second++; - - /* BAT LED behavior: - * Same as the chromeos spec - * Green/Amber for CHARGE_FLAG_FORCE_IDLE - */ - switch (charge_get_state()) { - case PWR_STATE_CHARGE: - bat_led_set_color(LED_AMBER); - break; - case PWR_STATE_DISCHARGE: - if (charge_get_percent() < 3) - bat_led_set_color((battery_second & 1) - ? LED_OFF : LED_AMBER); - else if (charge_get_percent() < 10) - bat_led_set_color((battery_second & 3) - ? LED_OFF : LED_AMBER); - else - bat_led_set_color(LED_OFF); - break; - case PWR_STATE_ERROR: - bat_led_set_color((battery_second & 1) ? LED_OFF : LED_RED); - break; - case PWR_STATE_CHARGE_NEAR_FULL: - bat_led_set_color(LED_GREEN); - break; - case PWR_STATE_IDLE: /* External power connected in IDLE. */ - if (chflags & CHARGE_FLAG_FORCE_IDLE) - bat_led_set_color( - (battery_second & 0x2) ? LED_GREEN : LED_AMBER); - else - bat_led_set_color(LED_GREEN); - break; - default: - /* Other states don't alter LED behavior */ - break; - } -} - -/** * Called by hook task every 1 sec */ -static void led_second(void) -{ - if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED)) - std_led_set_power(); - if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) - std_led_set_battery(); -} -DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT); - |