blob: 4e4f59d95780d3d124691269941f52103a41e81a [file] [log] [blame]
Kristofer Jonsson116a6352020-08-20 17:25:23 +02001/*
2 * (C) COPYRIGHT 2020 ARM Limited. All rights reserved.
3 *
4 * This program is free software and is provided to you under the terms of the
5 * GNU General Public License version 2 as published by the Free Software
6 * Foundation, and any use by you of this program is subject to the terms
7 * of such GNU licence.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, you can access it online at
16 * http://www.gnu.org/licenses/gpl-2.0.html.
17 *
18 * SPDX-License-Identifier: GPL-2.0-only
19 */
20
21#ifndef ETHOSU_DEVICE_H
22#define ETHOSU_DEVICE_H
23
24/****************************************************************************
25 * Includes
26 ****************************************************************************/
27
28#include "ethosu_mailbox.h"
29
30#include <linux/device.h>
31#include <linux/cdev.h>
32#include <linux/io.h>
33#include <linux/mutex.h>
34#include <linux/workqueue.h>
35
36/****************************************************************************
37 * Types
38 ****************************************************************************/
39
40/**
41 * struct ethosu_device - Device structure
42 */
43struct ethosu_device {
44 struct device *dev;
45 struct cdev cdev;
46 struct class *class;
47 dev_t devt;
48 struct mutex mutex;
49 struct ethosu_mailbox mailbox;
50 struct list_head inference_list;
51};
52
53/****************************************************************************
54 * Functions
55 ****************************************************************************/
56
57/**
58 * ethosu_dev_init() - Initialize the device
59 *
60 * Return: 0 on success, else error code.
61 */
62int ethosu_dev_init(struct ethosu_device *edev,
63 struct device *dev,
64 struct class *class,
65 struct resource *in_queue,
66 struct resource *out_queue);
67
68/**
69 * ethosu_dev_deinit() - Initialize the device
70 */
71void ethosu_dev_deinit(struct ethosu_device *edev);
72
73#endif /* ETHOSU_DEVICE_H */