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/*
* Copyright (c) 2020-2022 Arm Limited.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU licence.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
* SPDX-License-Identifier: GPL-2.0-only
*/
#ifndef ETHOSU_DEVICE_H
#define ETHOSU_DEVICE_H
/****************************************************************************
* Includes
****************************************************************************/
#include "uapi/ethosu.h"
#include "ethosu_mailbox.h"
#include "ethosu_watchdog.h"
#include <linux/device.h>
#include <linux/cdev.h>
#include <linux/io.h>
#include <linux/mutex.h>
/****************************************************************************
* Types
****************************************************************************/
struct reset_control;
/**
* struct ethosu_device - Device structure
*/
struct ethosu_device {
struct device *dev;
struct cdev cdev;
struct class *class;
dev_t devt;
struct mutex mutex;
struct ethosu_mailbox mailbox;
struct ethosu_watchdog watchdog;
struct reset_control *reset;
};
/****************************************************************************
* Functions
****************************************************************************/
/**
* ethosu_dev_init() - Initialize the device
*
* Return: 0 on success, else error code.
*/
int ethosu_dev_init(struct ethosu_device *edev,
struct device *dev,
struct class *class,
dev_t devt,
struct resource *in_queue,
struct resource *out_queue);
/**
* ethosu_dev_deinit() - Initialize the device
*/
void ethosu_dev_deinit(struct ethosu_device *edev);
/**
* ethosu_firmware_reset() - Reset the device running firmware
*/
int ethosu_firmware_reset(struct ethosu_device *edev);
#endif /* ETHOSU_DEVICE_H */
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