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/* Copyright 2016 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.
*/
#include "gpio.h"
#ifndef __CROS_DEVICE_STATE_H
#define __CROS_DEVICE_STATE_H
/* Device state indexes */
enum device_state {
DEVICE_STATE_UNKNOWN = 0,
DEVICE_STATE_OFF,
DEVICE_STATE_ON,
DEVICE_STATE_COUNT,
};
struct device_config {
const char *name; /* Device name */
enum device_state state; /* Device status */
/* Deferred handler to detect power off */
const struct deferred_data *deferred;
enum gpio_signal detect_on; /* GPIO detecting power on */
enum gpio_signal detect_off; /* GPIO detecting power off */
};
enum device_type;
extern struct device_config device_states[];
/* Return the device state */
int device_get_state(enum device_type device);
/**
* Sets the device state
*
* @param device the device to update
* @param state the new device state
*/
void device_set_state(enum device_type device, enum device_state state);
/* Update the device state based on the device gpios */
void board_update_device_state(enum device_type device);
/**
* Enables or disables all device gpio interrupts
*
* @param enable enable or disable detection
*/
void device_detect_state_enable(int enable);
#endif /* __CROS_DEVICE_STATE_H */
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