kohaku: implement leds

kohaku has 3-color led and one of them is power led.

BUG=b:131272926
BRANCH=none
TEST=emerge-hatch chromeos-ec, update and check leds

Change-Id: I2845ed1717a69010dfba18349e6f1eeb46586aad
Signed-off-by: YongBeum.Ha <ybha@samsung.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1660526
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Scott Collyer <scollyer@chromium.org>

2 files changed, 86 insertions, 33 deletions

diff --git a/board/kohaku/board.h b/board/kohaku/board.h
index c13ba1c805..9594151d89 100644
--- a/board/kohaku/board.h
+++ b/board/kohaku/board.h
@@ -16,6 +16,7 @@
 #define CONFIG_KEYBOARD_PROTOCOL_8042
 #define CONFIG_LED_COMMON
 #define CONFIG_LOW_POWER_IDLE
+#define CONFIG_LED_POWER_LED
 
 #define CONFIG_HOSTCMD_ESPI
 
@@ -91,6 +92,9 @@
 #define BOARD_TCPC_C1_RESET_POST_DELAY 0
 #define GPIO_USB_C0_TCPC_RST GPIO_USB_C0_TCPC_RST_ODL
 #define GPIO_USB_C1_TCPC_RST GPIO_USB_C1_TCPC_RST_ODL
+#define GPIO_BAT_LED_RED_L GPIO_LED_1_L
+#define GPIO_BAT_LED_GREEN_L GPIO_LED_3_L
+#define GPIO_PWR_LED_BLUE_L GPIO_LED_2_L
 
 /* BC 1.2 */
 #define CONFIG_BC12_DETECT_MAX14637
diff --git a/board/kohaku/led.c b/board/kohaku/led.c
index 7279243861..b7b1df46e3 100644
--- a/board/kohaku/led.c
+++ b/board/kohaku/led.c
@@ -5,52 +5,99 @@
  * Power and battery LED control for Kohaku
  */
 
+#include "chipset.h"
 #include "ec_commands.h"
 #include "gpio.h"
+#include "hooks.h"
 #include "led_common.h"
 #include "led_onoff_states.h"
-#include "chipset.h"
 
-#define LED_ON_LVL 0
-#define LED_OFF_LVL 1
+#define LED_OFF_LVL	1
+#define LED_ON_LVL	0
 
-const int led_charge_lvl_1 = 5;
+const int led_charge_lvl_1 = 0;
 
-const int led_charge_lvl_2 = 95;
+const int led_charge_lvl_2 = 100;
 
+/* Kohaku : 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_AMBER, LED_INDEFINITE} },
-	[STATE_CHARGING_LVL_2]	     = {{EC_LED_COLOR_AMBER, LED_INDEFINITE} },
-	[STATE_CHARGING_FULL_CHARGE] = {{EC_LED_COLOR_WHITE,  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_AMBER,  1 * LED_ONE_SEC},
-					{LED_OFF,	    1 * LED_ONE_SEC} },
-	[STATE_FACTORY_TEST]         = {{EC_LED_COLOR_WHITE,   2 * LED_ONE_SEC},
-					{EC_LED_COLOR_AMBER, 2 * LED_ONE_SEC} },
+	[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]	     = {{EC_LED_COLOR_GREEN, 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_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_BAT_LED_RED_L, LED_OFF_LVL);
+                gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
+		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 kohaku 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);
+                gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
+		return;
+	}
+
 	switch (color) {
-	case EC_LED_COLOR_AMBER:
-		gpio_set_level(GPIO_LED_2_L, LED_OFF_LVL);
-		gpio_set_level(GPIO_LED_1_L, LED_ON_LVL);
+	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;
-	case EC_LED_COLOR_WHITE:
-		gpio_set_level(GPIO_LED_1_L, LED_OFF_LVL);
-		gpio_set_level(GPIO_LED_2_L, LED_ON_LVL);
+	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;
 	default: /* LED_OFF and other unsupported colors */
-		gpio_set_level(GPIO_LED_1_L, LED_OFF_LVL);
-		gpio_set_level(GPIO_LED_2_L, LED_OFF_LVL);
+		gpio_set_level(GPIO_BAT_LED_RED_L, LED_OFF_LVL);
+		gpio_set_level(GPIO_BAT_LED_GREEN_L, LED_OFF_LVL);
 		break;
 	}
 }
@@ -58,22 +105,24 @@ void led_set_color_battery(enum ec_led_colors color)
 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_AMBER] = 1;
-		brightness_range[EC_LED_COLOR_WHITE] = 1;
+		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) {
-		if (brightness[EC_LED_COLOR_AMBER] != 0)
-			led_set_color_battery(EC_LED_COLOR_AMBER);
-		else if (brightness[EC_LED_COLOR_WHITE] != 0)
-			led_set_color_battery(EC_LED_COLOR_WHITE);
-		else
-			led_set_color_battery(LED_OFF);
+		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;
 }
-