munna: munna board with STM32L431 ec

munna board initialization.

BRANCH=main
BUG=b:188117811
TEST=make BOARD=munna; make buidall

Signed-off-by: Bossen WU <bossen.wu@stmicro.corp-partner.google.com>
Change-Id: I7de980f61d00f1b050924812265b7068d937a112
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2909958
Reviewed-by: Shou-Chieh Hsu <shouchieh@chromium.org>

1 files changed, 115 insertions, 0 deletions

diff --git a/board/munna/led.c b/board/munna/led.c
new file mode 100644
index 0000000000..fa4f46b6ab
--- /dev/null
+++ b/board/munna/led.c
@@ -0,0 +1,115 @@
+/* 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 Munna
+ */
+#include "common.h"
+#include "ioexpander.h"
+#include "driver/ioexpander/it8801.h"
+#include "ec_commands.h"
+#include "led_common.h"
+#include "led_onoff_states.h"
+
+#define LED_ON_LVL 0
+#define LED_OFF_LVL 1
+
+__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, 1 * LED_ONE_SEC},
+					{LED_OFF,	   3 * LED_ONE_SEC} },
+	[PWR_LED_STATE_SUSPEND_NO_AC] = {{EC_LED_COLOR_WHITE, 1 * LED_ONE_SEC},
+					{LED_OFF,	   3 * LED_ONE_SEC} },
+	[PWR_LED_STATE_OFF]           = {{LED_OFF, LED_INDEFINITE} },
+};
+
+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);
+
+__override void led_set_color_battery(enum ec_led_colors color)
+{
+	switch (color) {
+	case EC_LED_COLOR_GREEN:
+		ioex_set_level(IOEX_BAT_LED_GREEN_FULL_L, LED_ON_LVL);
+		ioex_set_level(IOEX_BAT_LED_RED_L, LED_OFF_LVL);
+		break;
+	case EC_LED_COLOR_AMBER:
+		ioex_set_level(IOEX_BAT_LED_GREEN_FULL_L, LED_ON_LVL);
+		ioex_set_level(IOEX_BAT_LED_RED_L, LED_ON_LVL);
+		break;
+	case EC_LED_COLOR_RED:
+		ioex_set_level(IOEX_BAT_LED_GREEN_FULL_L, LED_OFF_LVL);
+		ioex_set_level(IOEX_BAT_LED_RED_L, LED_ON_LVL);
+		break;
+	default: /* LED_OFF and other unsupported colors */
+		ioex_set_level(IOEX_BAT_LED_GREEN_FULL_L, LED_OFF_LVL);
+		ioex_set_level(IOEX_BAT_LED_RED_L, LED_OFF_LVL);
+		break;
+	}
+}
+
+__override void led_set_color_power(enum ec_led_colors color)
+{
+	switch (color) {
+	case EC_LED_COLOR_WHITE:
+		ioex_set_level(IOEX_PWR_LED_WHITE_L, LED_ON_LVL);
+		break;
+	default:
+		ioex_set_level(IOEX_PWR_LED_WHITE_L, LED_OFF_LVL);
+		break;
+	}
+}
+
+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_GREEN] = 1;
+		brightness_range[EC_LED_COLOR_AMBER] = 1;
+		brightness_range[EC_LED_COLOR_RED] = 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_GREEN] != 0)
+			led_set_color_battery(EC_LED_COLOR_GREEN);
+		else if (brightness[EC_LED_COLOR_AMBER] != 0)
+			led_set_color_battery(EC_LED_COLOR_AMBER);
+		else if (brightness[EC_LED_COLOR_RED] != 0)
+			led_set_color_battery(EC_LED_COLOR_RED);
+		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;
+}