casta : implement led

BUG=b:122489253
BRANCH=master
TEST=build, flash ec and check led.

Change-Id: I9eaa6f2763c08eaae10fba65fab18548f703e669
Signed-off-by: YongBeum Ha <ybha@samsung.com>
Reviewed-on: https://chromium-review.googlesource.com/1428499
Reviewed-by: Diana Z <dzigterman@chromium.org>

4 files changed, 132 insertions, 4 deletions

diff --git a/board/casta/board.h b/board/casta/board.h
index aa18f515b7..9214e52ace 100644
--- a/board/casta/board.h
+++ b/board/casta/board.h
@@ -15,6 +15,9 @@
 #define VARIANT_OCTOPUS_NO_SENSORS
 #include "baseboard.h"
 
+#define CONFIG_LED_COMMON
+#define OCTOPUS_POWER_LED
+
 /* USB PD */
 #undef CONFIG_USB_PD_VBUS_MEASURE_ADC_EACH_PORT
 #define CONFIG_USB_PD_VBUS_MEASURE_NOT_PRESENT
diff --git a/board/casta/build.mk b/board/casta/build.mk
index 94c194fa01..3d04b75731 100644
--- a/board/casta/build.mk
+++ b/board/casta/build.mk
@@ -11,5 +11,5 @@ CHIP_FAMILY:=npcx7
 CHIP_VARIANT:=npcx7m6fb
 BASEBOARD:=octopus
 
-board-y=board.o
+board-y=board.o led.o
 board-$(CONFIG_BATTERY_SMART)+=battery.o
diff --git a/board/casta/gpio.inc b/board/casta/gpio.inc
index f3e5e04f48..7f4a164605 100644
--- a/board/casta/gpio.inc
+++ b/board/casta/gpio.inc
@@ -122,9 +122,9 @@ GPIO(USB_C1_HPD_1V8_ODL,    PIN(C, 6), GPIO_INPUT |	/* C1 DP Hotplug Detect */
 				       GPIO_SEL_1P8V)
 
 /* LED */
-GPIO(LED_1_L,		PIN(C, 3), GPIO_OUT_HIGH)
-GPIO(LED_2_L,		PIN(C, 4), GPIO_OUT_HIGH)
-GPIO(LED_3_L,		PIN(D, 7), GPIO_OUT_HIGH)
+GPIO(BAT_LED_RED_L,		PIN(C, 3), GPIO_OUT_HIGH)
+GPIO(BAT_LED_GREEN_L,		PIN(C, 4), GPIO_OUT_HIGH)
+GPIO(PWR_LED_BLUE_L,		PIN(D, 7), GPIO_OUT_HIGH)
 
 /* Not implemented in hardware */
 UNIMPLEMENTED(KB_BL_PWR_EN)
diff --git a/board/casta/led.c b/board/casta/led.c
new file mode 100644
index 0000000000..bd78bf78a1
--- /dev/null
+++ b/board/casta/led.c
@@ -0,0 +1,125 @@
+/* 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 Casta 
+ */
+
+#include "chipset.h"
+#include "ec_commands.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "led_common.h"
+#include "led_states.h"
+
+#define LED_OFF_LVL	1
+#define LED_ON_LVL	0
+
+const int led_charge_lvl_1 = 0;
+
+const int led_charge_lvl_2 = 100;
+
+/* Casta : There are 3 leds for AC, Battery and Power */
+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_RED, LED_INDEFINITE} },
+	[STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_GREEN, LED_INDEFINITE} },
+	[STATE_DISCHARGE_S0]	     = {{LED_OFF, LED_INDEFINITE} },
+	[STATE_DISCHARGE_S0_BAT_LOW] = {{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, 0.5 * LED_ONE_SEC},
+					{LED_OFF, 0.5 * LED_ONE_SEC} },
+	[STATE_FACTORY_TEST]         = {{EC_LED_COLOR_RED, 1 * LED_ONE_SEC},
+					{LED_OFF, 1 * LED_ONE_SEC} },
+};
+
+const struct led_descriptor
+		led_pwr_state_table[PWR_LED_NUM_STATES][LED_NUM_PHASES] = {
+	[PWR_LED_STATE_ON]           = {{EC_LED_COLOR_BLUE, LED_INDEFINITE} },
+	[PWR_LED_STATE_SUSPEND_AC]   = {{LED_OFF, LED_INDEFINITE} },
+	[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_BATTERY_LED,
+	EC_LED_ID_POWER_LED
+};
+
+const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
+
+void led_set_color_power(enum ec_led_colors color)
+{
+	/* Don't set led if led_auto_control is disabled. */
+	if (!led_auto_control_is_enabled(EC_LED_ID_POWER_LED) ||
+                !led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) {
+		return;
+        }
+
+	if (color == EC_LED_COLOR_BLUE)
+		gpio_set_level(GPIO_PWR_LED_BLUE_L, LED_ON_LVL);
+	else
+		/* LED_OFF and unsupported colors */
+		gpio_set_level(GPIO_PWR_LED_BLUE_L, LED_OFF_LVL);
+}
+
+void led_set_color_battery(enum ec_led_colors color)
+{
+	/* Don't set led if led_auto_control is disabled. */
+	if (!led_auto_control_is_enabled(EC_LED_ID_POWER_LED) ||
+                !led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) {
+		return;
+        }
+
+	/* Battery leds must be turn off when blue led is on
+	 * because casta has 3-in-1 led.
+	 */
+	if(!gpio_get_level(GPIO_PWR_LED_BLUE_L))
+	{
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL); /*red*/
+                gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL); /*green*/
+		return;
+	}
+
+	switch (color) {
+	case EC_LED_COLOR_GREEN:
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL); /*red*/
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_ON_LVL); /*green*/
+		break;
+	case EC_LED_COLOR_RED:
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_ON_LVL); /*red*/
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL); /*green*/
+		break;
+	default: /* LED_OFF and other unsupported colors */
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL); /*red*/
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL); /*green*/
+		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_RED] = 1;
+	} else if (led_id == EC_LED_ID_POWER_LED) {
+		brightness_range[EC_LED_COLOR_BLUE] = 1;
+	}
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+	if (led_id == EC_LED_ID_BATTERY_LED) {
+		gpio_set_level(GPIO_PWR_LED_BLUE_L, LED_OFF_LVL);
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, !brightness[EC_LED_COLOR_GREEN]);
+		gpio_set_level(GPIO_BAT_LED_RED_L, !brightness[EC_LED_COLOR_RED]);
+	} else if (led_id == EC_LED_ID_POWER_LED) {
+		gpio_set_level(GPIO_PWR_LED_BLUE_L, !brightness[EC_LED_COLOR_BLUE]);
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
+	}
+
+	return EC_SUCCESS;
+}
+