1 files changed, 0 insertions, 267 deletions
diff --git a/board/ambassador/led.c b/board/ambassador/led.c
deleted file mode 100644
index 659a63a483..0000000000
--- a/board/ambassador/led.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/* 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.
- *
- * Power LED control for Puff.
- * Solid green - active power
- * Green flashing - suspended
- * Red flashing - alert
- * Solid red - critical
- */
-
-#include "chipset.h"
-#include "console.h"
-#include "ec_commands.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "led_common.h"
-#include "pwm.h"
-#include "timer.h"
-#include "util.h"
-
-#define CPRINTS(format, args...) cprints(CC_GPIO, format, ## args)
-
-/*
- * Due to the CSME-Lite processing, upon startup the CPU transitions through
- * S0->S3->S5->S3->S0, causing the LED to turn on/off/on, so
- * delay turning off the LED during suspend/shutdown.
- */
-#define LED_CPU_DELAY_MS	(2000 * MSEC)
-
-const enum ec_led_id supported_led_ids[] = {EC_LED_ID_POWER_LED};
-const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
-
-enum led_color {
-	LED_OFF = 0,
-	LED_RED,
-	LED_WHITE,
-	LED_AMBER,
-
-	/* Number of colors, not a color itself */
-	LED_COLOR_COUNT
-};
-
-static int set_color_power(enum led_color color, int duty)
-{
-	int white = 0;
-	int red = 0;
-
-	if (duty < 0 || 100 < duty)
-		return EC_ERROR_UNKNOWN;
-
-	switch (color) {
-	case LED_OFF:
-		break;
-	case LED_WHITE:
-		white = 1;
-		break;
-	case LED_RED:
-		red = 1;
-		break;
-	case LED_AMBER:
-		red = 1;
-		white = 1;
-		break;
-	default:
-		return EC_ERROR_UNKNOWN;
-	}
-
-	if (red)
-		pwm_set_duty(PWM_CH_LED_RED, duty);
-	else
-		pwm_set_duty(PWM_CH_LED_RED, 0);
-
-	if (white)
-		pwm_set_duty(PWM_CH_LED_WHITE, duty);
-	else
-		pwm_set_duty(PWM_CH_LED_WHITE, 0);
-
-	return EC_SUCCESS;
-}
-
-static int set_color(enum ec_led_id id, enum led_color color, int duty)
-{
-	switch (id) {
-	case EC_LED_ID_POWER_LED:
-		return set_color_power(color, duty);
-	default:
-		return EC_ERROR_UNKNOWN;
-	}
-}
-
-#define LED_PULSE_US		(2 * SECOND)
-/* 40 msec for nice and smooth transition. */
-#define LED_PULSE_TICK_US	(40 * MSEC)
-
-/* When pulsing is enabled, brightness is incremented by <duty_inc> every
- * <interval> usec from 0 to 100% in LED_PULSE_US usec. Then it's decremented
- * likewise in LED_PULSE_US usec.
- */
-static struct {
-	uint32_t interval;
-	int duty_inc;
-	enum led_color color;
-	int duty;
-} led_pulse;
-
-#define CONFIG_TICK(interval, color) \
-	config_tick((interval), 100 / (LED_PULSE_US / (interval)), (color))
-
-static void config_tick(uint32_t interval, int duty_inc, enum led_color color)
-{
-	led_pulse.interval = interval;
-	led_pulse.duty_inc = duty_inc;
-	led_pulse.color = color;
-	led_pulse.duty = 0;
-}
-
-static void pulse_power_led(enum led_color color)
-{
-	set_color(EC_LED_ID_POWER_LED, color, led_pulse.duty);
-	if (led_pulse.duty + led_pulse.duty_inc > 100)
-		led_pulse.duty_inc = led_pulse.duty_inc * -1;
-	else if (led_pulse.duty + led_pulse.duty_inc < 0)
-		led_pulse.duty_inc = led_pulse.duty_inc * -1;
-	led_pulse.duty += led_pulse.duty_inc;
-}
-
-static void led_tick(void);
-DECLARE_DEFERRED(led_tick);
-static void led_tick(void)
-{
-	uint32_t elapsed;
-	uint32_t next = 0;
-	uint32_t start = get_time().le.lo;
-
-	if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED))
-		pulse_power_led(led_pulse.color);
-	elapsed = get_time().le.lo - start;
-	next = led_pulse.interval > elapsed ? led_pulse.interval - elapsed : 0;
-	hook_call_deferred(&led_tick_data, next);
-}
-
-static void led_suspend(void)
-{
-	CONFIG_TICK(LED_PULSE_TICK_US, LED_WHITE);
-	led_tick();
-}
-DECLARE_DEFERRED(led_suspend);
-
-static void led_shutdown(void)
-{
-	if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED))
-		set_color(EC_LED_ID_POWER_LED, LED_OFF, 0);
-}
-DECLARE_DEFERRED(led_shutdown);
-
-static void led_shutdown_hook(void)
-{
-	hook_call_deferred(&led_tick_data, -1);
-	hook_call_deferred(&led_suspend_data, -1);
-	hook_call_deferred(&led_shutdown_data, LED_CPU_DELAY_MS);
-}
-DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, led_shutdown_hook, HOOK_PRIO_DEFAULT);
-
-static void led_suspend_hook(void)
-{
-	hook_call_deferred(&led_shutdown_data, -1);
-	hook_call_deferred(&led_suspend_data, LED_CPU_DELAY_MS);
-}
-DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, led_suspend_hook, HOOK_PRIO_DEFAULT);
-
-static void led_resume(void)
-{
-	/* Assume there is no race condition with led_tick, which also
-	 * runs in hook_task.
-	 */
-	hook_call_deferred(&led_tick_data, -1);
-	/*
-	 * Avoid invoking the suspend/shutdown delayed hooks.
-	 */
-	hook_call_deferred(&led_suspend_data, -1);
-	hook_call_deferred(&led_shutdown_data, -1);
-	if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED))
-		set_color(EC_LED_ID_POWER_LED, LED_WHITE, 100);
-}
-DECLARE_HOOK(HOOK_CHIPSET_RESUME, led_resume, HOOK_PRIO_DEFAULT);
-
-static void led_init(void)
-{
-	pwm_enable(PWM_CH_LED_RED, 1);
-	pwm_enable(PWM_CH_LED_WHITE, 1);
-}
-DECLARE_HOOK(HOOK_INIT, led_init, HOOK_PRIO_INIT_PWM + 1);
-
-void led_alert(int enable)
-{
-	if (enable) {
-		/* Overwrite the current signal */
-		config_tick(1 * SECOND, 100, LED_RED);
-		led_tick();
-	} else {
-		/* Restore the previous signal */
-		if (chipset_in_state(CHIPSET_STATE_ON))
-			led_resume();
-		else if (chipset_in_state(CHIPSET_STATE_SUSPEND))
-			led_suspend_hook();
-		else if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
-			led_shutdown_hook();
-	}
-}
-
-void show_critical_error(void)
-{
-	hook_call_deferred(&led_tick_data, -1);
-	if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED))
-		set_color(EC_LED_ID_POWER_LED, LED_RED, 100);
-}
-
-static int command_led(int argc, char **argv)
-{
-	enum ec_led_id id = EC_LED_ID_POWER_LED;
-
-	if (argc < 2)
-		return EC_ERROR_PARAM_COUNT;
-
-	if (!strcasecmp(argv[1], "debug")) {
-		led_auto_control(id, !led_auto_control_is_enabled(id));
-		ccprintf("o%s\n", led_auto_control_is_enabled(id) ? "ff" : "n");
-	} else if (!strcasecmp(argv[1], "off")) {
-		set_color(id, LED_OFF, 0);
-	} else if (!strcasecmp(argv[1], "red")) {
-		set_color(id, LED_RED, 100);
-	} else if (!strcasecmp(argv[1], "white")) {
-		set_color(id, LED_WHITE, 100);
-	} else if (!strcasecmp(argv[1], "amber")) {
-		set_color(id, LED_AMBER, 100);
-	} else if (!strcasecmp(argv[1], "alert")) {
-		led_alert(1);
-	} else if (!strcasecmp(argv[1], "crit")) {
-		show_critical_error();
-	} else {
-		return EC_ERROR_PARAM1;
-	}
-	return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(led, command_led,
-			"[debug|red|white|amber|off|alert|crit]",
-			"Turn on/off LED.");
-
-void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
-{
-	brightness_range[EC_LED_COLOR_RED] = 100;
-	brightness_range[EC_LED_COLOR_WHITE] = 100;
-	brightness_range[EC_LED_COLOR_AMBER] = 100;
-}
-
-int led_set_brightness(enum ec_led_id id, const uint8_t *brightness)
-{
-	if (brightness[EC_LED_COLOR_RED])
-		return set_color(id, LED_RED, brightness[EC_LED_COLOR_RED]);
-	else if (brightness[EC_LED_COLOR_WHITE])
-		return set_color(id, LED_WHITE, brightness[EC_LED_COLOR_WHITE]);
-	else if (brightness[EC_LED_COLOR_AMBER])
-		return set_color(id, LED_AMBER, brightness[EC_LED_COLOR_AMBER]);
-	else
-		return set_color(id, LED_OFF, 0);
-}