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-rw-r--r--board/kodama/led.c155
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diff --git a/board/kodama/led.c b/board/kodama/led.c
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+/* Copyright 2019 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 control for Kukui board.
+ */
+#include "charge_state.h"
+#include "driver/charger/rt946x.h"
+#include "hooks.h"
+#include "led_common.h"
+#include "led_onoff_states.h"
+#include "ec_commands.h"
+
+#define LED_RED MT6370_LED_ID1
+#define LED_GREEN MT6370_LED_ID2
+#define LED_WHITE MT6370_LED_ID3
+
+#define LED_MASK_OFF 0
+#define LED_MASK_RED MT6370_MASK_RGB_ISNK1DIM_EN
+#define LED_MASK_GREEN MT6370_MASK_RGB_ISNK2DIM_EN
+#define LED_MASK_WHITE MT6370_MASK_RGB_ISNK3DIM_EN
+
+__override const int led_charge_lvl_1 = 5;
+__override const int led_charge_lvl_2 = 97;
+
+__override struct led_descriptor
+ led_bat_state_table[LED_NUM_STATES][LED_NUM_PHASES] = {
+ [STATE_CHARGING_LVL_1] = {{EC_LED_COLOR_RED, LED_INDEFINITE} },
+ [STATE_CHARGING_LVL_2] = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} },
+ [STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_GREEN, LED_INDEFINITE} },
+ [STATE_DISCHARGE_S0] = {{LED_OFF, LED_INDEFINITE} },
+ [STATE_DISCHARGE_S3] = {{LED_OFF, LED_INDEFINITE} },
+ [STATE_DISCHARGE_S5] = {{LED_OFF, LED_INDEFINITE} },
+ [STATE_BATTERY_ERROR] = {{EC_LED_COLOR_RED, 1 * LED_ONE_SEC},
+ {LED_OFF, 1 * LED_ONE_SEC} },
+ [STATE_FACTORY_TEST] = {{EC_LED_COLOR_RED, 2 * LED_ONE_SEC},
+ {EC_LED_COLOR_GREEN, 2 * LED_ONE_SEC} },
+};
+
+__override const struct led_descriptor
+ led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES] = {
+ [PWR_LED_STATE_ON] = {{EC_LED_COLOR_WHITE, LED_INDEFINITE} },
+ [PWR_LED_STATE_SUSPEND_AC] = {{EC_LED_COLOR_WHITE, 3 * LED_ONE_SEC},
+ {LED_OFF, LED_ONE_SEC / 2} },
+ [PWR_LED_STATE_SUSPEND_NO_AC] = {{LED_OFF, LED_INDEFINITE} },
+ [PWR_LED_STATE_OFF] = {{LED_OFF, LED_INDEFINITE} },
+};
+
+const enum ec_led_id supported_led_ids[] = {
+ EC_LED_ID_POWER_LED,
+ EC_LED_ID_BATTERY_LED
+};
+
+const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
+
+static int led_mask = LED_MASK_OFF;
+
+static void led_set_color(int mask)
+{
+ static int new_mask = LED_MASK_OFF;
+
+ if (new_mask == mask)
+ return;
+ else
+ new_mask = mask;
+
+ mt6370_led_set_color(led_mask);
+}
+
+__override void led_set_color_power(enum ec_led_colors color)
+{
+ if (color == EC_LED_COLOR_WHITE)
+ led_mask |= LED_MASK_WHITE;
+ else
+ led_mask &= ~LED_MASK_WHITE;
+ led_set_color(led_mask);
+}
+
+__override void led_set_color_battery(enum ec_led_colors color)
+{
+ switch (color) {
+ case EC_LED_COLOR_RED:
+ led_mask |= LED_MASK_RED;
+ led_mask &= ~LED_MASK_GREEN;
+ break;
+ case EC_LED_COLOR_AMBER:
+ led_mask |= LED_MASK_RED;
+ led_mask |= LED_MASK_GREEN;
+ break;
+ case EC_LED_COLOR_GREEN:
+ led_mask &= ~LED_MASK_RED;
+ led_mask |= LED_MASK_GREEN;
+ break;
+ default: /* LED_OFF and other unsupported colors */
+ led_mask &= ~LED_MASK_RED;
+ led_mask &= ~LED_MASK_GREEN;
+ break;
+ }
+ led_set_color(led_mask);
+}
+
+void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
+{
+ if (led_id == EC_LED_ID_BATTERY_LED) {
+ brightness_range[EC_LED_COLOR_RED] = 1;
+ brightness_range[EC_LED_COLOR_AMBER] = 1;
+ brightness_range[EC_LED_COLOR_GREEN] = 1;
+ } else if (led_id == EC_LED_ID_POWER_LED) {
+ brightness_range[EC_LED_COLOR_WHITE] = 1;
+ }
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+ if (led_id == EC_LED_ID_BATTERY_LED) {
+ if (brightness[EC_LED_COLOR_RED] != 0)
+ led_set_color_battery(EC_LED_COLOR_RED);
+ else if (brightness[EC_LED_COLOR_AMBER] != 0)
+ led_set_color_battery(EC_LED_COLOR_AMBER);
+ else if (brightness[EC_LED_COLOR_GREEN] != 0)
+ led_set_color_battery(EC_LED_COLOR_GREEN);
+ else
+ led_set_color_battery(LED_OFF);
+ } else if (led_id == EC_LED_ID_POWER_LED) {
+ if (brightness[EC_LED_COLOR_WHITE] != 0)
+ led_set_color_power(EC_LED_COLOR_WHITE);
+ else
+ led_set_color_power(LED_OFF);
+ } else {
+ return EC_ERROR_INVAL;
+ }
+
+ return EC_SUCCESS;
+}
+
+static void kodama_led_init(void)
+{
+ const enum mt6370_led_dim_mode dim = MT6370_LED_DIM_MODE_PWM;
+ const enum mt6370_led_pwm_freq freq = MT6370_LED_PWM_FREQ1000;
+
+ mt6370_led_set_color(LED_MASK_RED | LED_MASK_GREEN | LED_MASK_WHITE);
+ mt6370_led_set_dim_mode(LED_RED, dim);
+ mt6370_led_set_dim_mode(LED_GREEN, dim);
+ mt6370_led_set_dim_mode(LED_WHITE, dim);
+ mt6370_led_set_pwm_frequency(LED_RED, freq);
+ mt6370_led_set_pwm_frequency(LED_GREEN, freq);
+ mt6370_led_set_pwm_frequency(LED_WHITE, freq);
+ mt6370_led_set_pwm_dim_duty(LED_RED, 12);
+ mt6370_led_set_pwm_dim_duty(LED_GREEN, 31);
+ mt6370_led_set_pwm_dim_duty(LED_WHITE, 12);
+ mt6370_led_set_brightness(LED_MASK_RED, 7);
+ mt6370_led_set_brightness(LED_MASK_GREEN, 7);
+ mt6370_led_set_brightness(LED_MASK_WHITE, 7);
+}
+DECLARE_HOOK(HOOK_INIT, kodama_led_init, HOOK_PRIO_DEFAULT);