1 files changed, 0 insertions, 227 deletions
diff --git a/common/power_button.c b/common/power_button.c
deleted file mode 100644
index 1ac3893492..0000000000
--- a/common/power_button.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* Copyright 2013 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 button module for Chrome EC */
-
-#include "button.h"
-#include "common.h"
-#include "console.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "host_command.h"
-#include "keyboard_scan.h"
-#include "lid_switch.h"
-#include "power_button.h"
-#include "system.h"
-#include "task.h"
-#include "timer.h"
-#include "util.h"
-
-/* Console output macros */
-#define CPUTS(outstr) cputs(CC_SWITCH, outstr)
-#define CPRINTS(format, args...) cprints(CC_SWITCH, format, ## args)
-
-/* By default the power button is active low */
-#ifndef CONFIG_POWER_BUTTON_FLAGS
-#define CONFIG_POWER_BUTTON_FLAGS 0
-#endif
-
-static int debounced_power_pressed;	/* Debounced power button state */
-static int simulate_power_pressed;
-static volatile int power_button_is_stable = 1;
-
-static const struct button_config power_button = {
-	.name = "power button",
-	.gpio = GPIO_POWER_BUTTON_L,
-	.debounce_us = BUTTON_DEBOUNCE_US,
-	.flags = CONFIG_POWER_BUTTON_FLAGS,
-};
-
-int power_button_signal_asserted(void)
-{
-	return !!(gpio_get_level(power_button.gpio)
-		== (power_button.flags & BUTTON_FLAG_ACTIVE_HIGH) ? 1 : 0);
-}
-
-/**
- * Get raw power button signal state.
- *
- * @return 1 if power button is pressed, 0 if not pressed.
- */
-static int raw_power_button_pressed(void)
-{
-	if (simulate_power_pressed)
-		return 1;
-
-#ifndef CONFIG_POWER_BUTTON_IGNORE_LID
-	/*
-	 * Always indicate power button released if the lid is closed.
-	 * This prevents waking the system if the device is squashed enough to
-	 * press the power button through the closed lid.
-	 */
-	if (!lid_is_open())
-		return 0;
-#endif
-
-	return power_button_signal_asserted();
-}
-
-int power_button_is_pressed(void)
-{
-	return debounced_power_pressed;
-}
-
-int power_button_wait_for_release(int timeout_us)
-{
-	timestamp_t deadline;
-	timestamp_t now = get_time();
-
-	deadline.val = now.val + timeout_us;
-
-	while (!power_button_is_stable || power_button_is_pressed()) {
-		now = get_time();
-		if (timeout_us >= 0 && timestamp_expired(deadline, &now)) {
-			CPRINTS("%s not released in time", power_button.name);
-			return EC_ERROR_TIMEOUT;
-		}
-		/*
-		 * We use task_wait_event() instead of usleep() here. It will
-		 * be woken up immediately if the power button is debouned and
-		 * changed. However, it is not guaranteed, like the cases that
-		 * the power button is debounced but not changed, or the power
-		 * button has not been debounced.
-		 */
-		task_wait_event(MIN(power_button.debounce_us,
-				    deadline.val - now.val));
-	}
-
-	CPRINTS("%s released in time", power_button.name);
-	return EC_SUCCESS;
-}
-
-/**
- * Handle power button initialization.
- */
-static void power_button_init(void)
-{
-	if (raw_power_button_pressed())
-		debounced_power_pressed = 1;
-
-	/* Enable interrupts, now that we've initialized */
-	gpio_enable_interrupt(power_button.gpio);
-}
-DECLARE_HOOK(HOOK_INIT, power_button_init, HOOK_PRIO_INIT_POWER_BUTTON);
-
-#ifdef CONFIG_POWER_BUTTON_INIT_IDLE
-/*
- * Set/clear AP_IDLE flag. It's set when the system gracefully shuts down and
- * it's cleared when the system boots up. The result is the system tries to
- * go back to the previous state upon AC plug-in. If the system uncleanly
- * shuts down, it boots immediately. If the system shuts down gracefully,
- * it'll stay at S5 and wait for power button press.
- */
-static void pb_chipset_startup(void)
-{
-	chip_save_reset_flags(chip_read_reset_flags() & ~EC_RESET_FLAG_AP_IDLE);
-	system_clear_reset_flags(EC_RESET_FLAG_AP_IDLE);
-	CPRINTS("Cleared AP_IDLE flag");
-}
-DECLARE_HOOK(HOOK_CHIPSET_STARTUP, pb_chipset_startup, HOOK_PRIO_DEFAULT);
-
-static void pb_chipset_shutdown(void)
-{
-	chip_save_reset_flags(chip_read_reset_flags() | EC_RESET_FLAG_AP_IDLE);
-	system_set_reset_flags(EC_RESET_FLAG_AP_IDLE);
-	CPRINTS("Saved AP_IDLE flag");
-}
-DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, pb_chipset_shutdown,
-	     /*
-	      * Slightly higher than handle_pending_reboot because
-	      * it may clear AP_IDLE flag.
-	      */
-	     HOOK_PRIO_DEFAULT - 1);
-#endif
-
-/**
- * Handle debounced power button changing state.
- */
-static void power_button_change_deferred(void)
-{
-	const int new_pressed = raw_power_button_pressed();
-
-	/* Re-enable keyboard scanning if power button is no longer pressed */
-	if (!new_pressed)
-		keyboard_scan_enable(1, KB_SCAN_DISABLE_POWER_BUTTON);
-
-	/* If power button hasn't changed state, nothing to do */
-	if (new_pressed == debounced_power_pressed) {
-		power_button_is_stable = 1;
-		return;
-	}
-
-	debounced_power_pressed = new_pressed;
-	power_button_is_stable = 1;
-
-	CPRINTS("%s %s",
-		power_button.name, new_pressed ? "pressed" : "released");
-
-	/* Call hooks */
-	hook_notify(HOOK_POWER_BUTTON_CHANGE);
-
-	/* Notify host if power button has been pressed */
-	if (new_pressed)
-		host_set_single_event(EC_HOST_EVENT_POWER_BUTTON);
-}
-DECLARE_DEFERRED(power_button_change_deferred);
-
-void power_button_interrupt(enum gpio_signal signal)
-{
-	/*
-	 * If power button is pressed, disable the matrix scan as soon as
-	 * possible to reduce the risk of false-reboot triggered by those keys
-	 * on the same column with refresh key.
-	 */
-	if (raw_power_button_pressed())
-		keyboard_scan_enable(0, KB_SCAN_DISABLE_POWER_BUTTON);
-
-	/* Reset power button debounce time */
-	power_button_is_stable = 0;
-	hook_call_deferred(&power_button_change_deferred_data,
-			   power_button.debounce_us);
-}
-
-/*****************************************************************************/
-/* Console commands */
-
-static int command_powerbtn(int argc, char **argv)
-{
-	int ms = 200;  /* Press duration in ms */
-	char *e;
-
-	if (argc > 1) {
-		ms = strtoi(argv[1], &e, 0);
-		if (*e)
-			return EC_ERROR_PARAM1;
-	}
-
-	ccprintf("Simulating %d ms %s press.\n", ms, power_button.name);
-	simulate_power_pressed = 1;
-	power_button_is_stable = 0;
-	hook_call_deferred(&power_button_change_deferred_data, 0);
-
-	if (ms > 0)
-		msleep(ms);
-
-	ccprintf("Simulating %s release.\n", power_button.name);
-	simulate_power_pressed = 0;
-	power_button_is_stable = 0;
-	hook_call_deferred(&power_button_change_deferred_data, 0);
-
-	return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(powerbtn, command_powerbtn,
-			"[msec]",
-			"Simulate power button press");
-