octopus: Add phaser LED behavior support

Reference LED behavior spec and implement it.
Add Power LED common code.
Yorp and bip also do some necessary charges.

BUG=b:80501031,b:110086152
BRANCH=none
TEST=Verify LED behavior at different power state.

Change-Id: I88dbad30101e7983304c15f88b52b31457607749
Signed-off-by: eddylu <eddylu@ami.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/1116628
Commit-Ready: Eddy Lu <eddylu@ami.corp-partner.google.com>
Tested-by: Eddy Lu <eddylu@ami.corp-partner.google.com>
Reviewed-by: Jett Rink <jettrink@chromium.org>

1 files changed, 94 insertions, 0 deletions

diff --git a/board/phaser/led.c b/board/phaser/led.c
new file mode 100644
index 0000000000..e9a8912111
--- /dev/null
+++ b/board/phaser/led.c
@@ -0,0 +1,94 @@
+/* Copyright 2018 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 Phaser
+ */
+
+#include "ec_commands.h"
+#include "gpio.h"
+#include "led_common.h"
+#include "led_states.h"
+#include "chipset.h"
+
+#define LED_ON_LVL 0
+#define LED_OFF_LVL 1
+
+const int led_charge_lvl_1 = 5;
+
+const int led_charge_lvl_2 = 97;
+
+const int led_power_blink_on_msec = 3000;
+
+const int led_power_blink_off_msec = 500;
+
+const 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} },
+};
+
+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);
+
+void led_set_color_power(int enable)
+{
+	if (enable)
+		gpio_set_level(GPIO_LED_3_L, LED_ON_LVL);
+	else
+		gpio_set_level(GPIO_LED_3_L, LED_OFF_LVL);
+}
+
+void led_set_color_battery(enum ec_led_colors color)
+{
+	switch (color) {
+	case EC_LED_COLOR_RED:
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_ON_LVL);
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
+		break;
+	case EC_LED_COLOR_AMBER:
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_ON_LVL);
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_ON_LVL);
+		break;
+	case EC_LED_COLOR_GREEN:
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_ON_LVL);
+		break;
+	default: /* LED_OFF and other unsupported colors */
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
+		break;
+	}
+}
+
+void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
+{
+	brightness_range[EC_LED_COLOR_RED] = 1;
+	brightness_range[EC_LED_COLOR_AMBER] = 1;
+	brightness_range[EC_LED_COLOR_GREEN] = 1;
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+	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);
+
+	return EC_SUCCESS;
+}
+