drawcia: Initial EC image

Create the initial EC image for the drawcia variant by copying the
waddledee reference board EC files into a new directory named for
the variant.

(Auto-Generated by create_initial_ec_image.sh version 1.0.3).

BUG=b:158540280
BRANCH=none
TEST=make BOARD=drawcia

Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Change-Id: I0f3f70faa1c5a3cbecd2bfea9fec1aba9d95a955
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2237493
Reviewed-by: Marco Chen <marcochen@chromium.org>
Commit-Queue: Marco Chen <marcochen@chromium.org>
Tested-by: Marco Chen <marcochen@chromium.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/board/drawcia/led.c b/board/drawcia/led.c
new file mode 100644
index 0000000000..b19e594fbd
--- /dev/null
+++ b/board/drawcia/led.c
@@ -0,0 +1,82 @@
+/* Copyright 2020 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.
+ */
+
+/* Waddledee specific PWM LED settings. */
+
+#include "common.h"
+#include "ec_commands.h"
+#include "led_pwm.h"
+#include "pwm.h"
+#include "util.h"
+
+const enum ec_led_id supported_led_ids[] = {
+	EC_LED_ID_POWER_LED,
+};
+const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
+
+/*
+ * Board has one physical LED with red, green, and blue
+ */
+struct pwm_led led_color_map[EC_LED_COLOR_COUNT] = {
+				/* Red, Green, Blue */
+	[EC_LED_COLOR_RED]    = { 100,   0,   0 },
+	[EC_LED_COLOR_GREEN]  = {   0, 100,   0 },
+	[EC_LED_COLOR_BLUE]   = {   0,   0, 100 },
+	[EC_LED_COLOR_YELLOW] = {  50,  50,   0 },
+	[EC_LED_COLOR_WHITE]  = {  50,  50,  50 },
+	[EC_LED_COLOR_AMBER]  = {  70,  30,   0 },
+};
+
+/* One logical LED with red, green, and blue channels. */
+struct pwm_led pwm_leds[CONFIG_LED_PWM_COUNT] = {
+	{
+		.ch0 = PWM_CH_LED_RED,
+		.ch1 = PWM_CH_LED_GREEN,
+		.ch2 = PWM_CH_LED_BLUE,
+		.enable = &pwm_enable,
+		.set_duty = &pwm_set_duty,
+	},
+};
+
+void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
+{
+	memset(brightness_range, '\0',
+	       sizeof(*brightness_range) * EC_LED_COLOR_COUNT);
+	brightness_range[EC_LED_COLOR_RED] = 100;
+	brightness_range[EC_LED_COLOR_GREEN] = 100;
+	brightness_range[EC_LED_COLOR_BLUE] = 100;
+	brightness_range[EC_LED_COLOR_YELLOW] = 100;
+	brightness_range[EC_LED_COLOR_WHITE] = 100;
+	brightness_range[EC_LED_COLOR_AMBER] = 100;
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+	enum pwm_led_id pwm_id;
+
+	/* Convert ec_led_id to pwm_led_id. */
+	if (led_id == EC_LED_ID_POWER_LED)
+		pwm_id = PWM_LED0;
+	else
+		return EC_ERROR_UNKNOWN;
+
+	if (brightness[EC_LED_COLOR_RED])
+		set_pwm_led_color(pwm_id, EC_LED_COLOR_RED);
+	else if (brightness[EC_LED_COLOR_GREEN])
+		set_pwm_led_color(pwm_id, EC_LED_COLOR_GREEN);
+	else if (brightness[EC_LED_COLOR_BLUE])
+		set_pwm_led_color(pwm_id, EC_LED_COLOR_BLUE);
+	else if (brightness[EC_LED_COLOR_YELLOW])
+		set_pwm_led_color(pwm_id, EC_LED_COLOR_YELLOW);
+	else if (brightness[EC_LED_COLOR_WHITE])
+		set_pwm_led_color(pwm_id, EC_LED_COLOR_WHITE);
+	else if (brightness[EC_LED_COLOR_AMBER])
+		set_pwm_led_color(pwm_id, EC_LED_COLOR_AMBER);
+	else
+		/* Otherwise, the "color" is "off". */
+		set_pwm_led_color(pwm_id, -1);
+
+	return EC_SUCCESS;
+}