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a9ae00b101
This is to add llama board support: - new files in board/llama folder, including battery.c and led.c - new file power/mediatek.c, which is mostly based on power/tegra.c - modified flash_ec for llama board - disable tests for llama board. BRANCH=none BUG=none TEST=make BOARD=llama Change-Id: Ie1ae068c1a402f08e1449668b1be8f31105bb804 Signed-off-by: Ben Lok <ben.lok@mediatek.com> Reviewed-on: https://chromium-review.googlesource.com/243510 Reviewed-by: Rong Chang <rongchang@chromium.org> Tested-by: lok.ben ben.mtk <ben.lok.mtk@gmail.com> Commit-Queue: lok.ben ben.mtk <ben.lok.mtk@gmail.com>
139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
/* Copyright 2015 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Battery LED and Power LED control for LLAMA Board.
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*/
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#include "battery.h"
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#include "charge_state.h"
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#include "chipset.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "led_common.h"
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#include "util.h"
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const enum ec_led_id supported_led_ids[] = {
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EC_LED_ID_BATTERY_LED
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};
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const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
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enum led_color {
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LED_GREEN = 0,
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LED_ORANGE,
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LED_COLOR_COUNT /* Number of colors, not a color itself */
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};
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static int bat_led_set(enum led_color color, int on)
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{
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switch (color) {
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case LED_GREEN:
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gpio_set_level(GPIO_BAT_LED0, on ? 0 : 1);
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break;
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case LED_ORANGE:
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gpio_set_level(GPIO_BAT_LED1, on ? 0 : 1);
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break;
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default:
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return EC_ERROR_UNKNOWN;
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}
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return EC_SUCCESS;
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}
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void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
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{
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/* Ignoring led_id as both leds support the same colors */
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brightness_range[EC_LED_COLOR_GREEN] = 1;
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brightness_range[EC_LED_COLOR_YELLOW] = 1;
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}
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int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
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{
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if (EC_LED_ID_BATTERY_LED == led_id) {
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if (brightness[EC_LED_COLOR_GREEN] != 0) {
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bat_led_set(LED_GREEN, 1);
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bat_led_set(LED_ORANGE, 0);
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} else if (brightness[EC_LED_COLOR_YELLOW] != 0) {
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bat_led_set(LED_GREEN, 1);
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bat_led_set(LED_ORANGE, 1);
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} else {
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bat_led_set(LED_GREEN, 0);
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bat_led_set(LED_ORANGE, 0);
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}
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return EC_SUCCESS;
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} else {
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return EC_ERROR_UNKNOWN;
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}
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}
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static void llama_led_set_power(void)
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{
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static int power_second;
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power_second++;
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/* PWR LED behavior:
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* Power on: Green
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* Suspend: Green in breeze mode ( 1 sec on/ 3 sec off)
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* Power off: OFF
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*/
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if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
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bat_led_set(LED_GREEN, 0);
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else if (chipset_in_state(CHIPSET_STATE_ON))
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bat_led_set(LED_GREEN, 1);
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else if (chipset_in_state(CHIPSET_STATE_SUSPEND))
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bat_led_set(LED_GREEN, (power_second & 3) ? 0 : 1);
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}
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static void llama_led_set_battery(void)
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{
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static int battery_second;
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battery_second++;
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/* BAT LED behavior:
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* Fully charged / idle: Off
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* Under charging: Orange
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* Battery low (10%): Orange in breeze mode (1 sec on, 3 sec off)
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* Battery critical low (less than 3%) or abnormal battery
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* situation: Orange in blinking mode (1 sec on, 1 sec off)
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* Using battery or not connected to AC power: OFF
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*/
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switch (charge_get_state()) {
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case PWR_STATE_CHARGE:
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bat_led_set(LED_ORANGE, 1);
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break;
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case PWR_STATE_CHARGE_NEAR_FULL:
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bat_led_set(LED_ORANGE, 1);
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break;
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case PWR_STATE_DISCHARGE:
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if (charge_get_percent() < 3)
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bat_led_set(LED_ORANGE, (battery_second & 1) ? 0 : 1);
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else if (charge_get_percent() < 10)
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bat_led_set(LED_ORANGE, (battery_second & 3) ? 0 : 1);
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else
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bat_led_set(LED_ORANGE, 0);
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break;
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case PWR_STATE_ERROR:
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bat_led_set(LED_ORANGE, (battery_second & 1) ? 0 : 1);
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break;
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case PWR_STATE_IDLE: /* External power connected in IDLE. */
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bat_led_set(LED_ORANGE, 0);
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break;
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default:
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/* Other states don't alter LED behavior */
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break;
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}
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}
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/** * Called by hook task every 1 sec */
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static void led_second(void)
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{
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if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED))
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llama_led_set_power();
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if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED))
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llama_led_set_battery();
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}
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DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT);
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