mgb4_vout.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2021-2023 Digiteq Automotive
 4 *     author: Martin Tuma <martin.tuma@digiteqautomotive.com>
 5 */
 6
 7#ifndef __MGB4_VOUT_H__
 8#define __MGB4_VOUT_H__
 9
10#include <media/v4l2-device.h>
11#include <media/v4l2-dev.h>
12#include <media/v4l2-ctrls.h>
13#include <media/videobuf2-core.h>
14#include <linux/debugfs.h>
15#include "mgb4_i2c.h"
16
17struct mgb4_vout_regs {
18	u32 address;
19	u32 config;
20	u32 status;
21	u32 resolution;
22	u32 frame_limit;
23	u32 hsync;
24	u32 vsync;
25	u32 padding;
26	u32 timer;
27};
28
29struct mgb4_vout_config {
30	int id;
31	int dma_channel;
32	int irq;
33	struct mgb4_vout_regs regs;
34};
35
36struct mgb4_vout_dev {
37	struct mgb4_dev *mgbdev;
38	struct v4l2_device v4l2dev;
39	struct video_device vdev;
40	struct vb2_queue queue;
41	struct mutex lock; /* vdev lock */
42
43	spinlock_t qlock; /* buffer queue lock */
44	struct list_head buf_list;
45	struct work_struct dma_work;
46
47	u32 width;
48	u32 height;
49	u32 freq;
50	u32 padding;
51
52	struct mgb4_i2c_client ser;
53
54	const struct mgb4_vout_config *config;
55
56#ifdef CONFIG_DEBUG_FS
57	struct debugfs_regset32 regset;
58	struct debugfs_reg32 regs[sizeof(struct mgb4_vout_regs) / 4];
59#endif
60};
61
62struct mgb4_vout_dev *mgb4_vout_create(struct mgb4_dev *mgbdev, int id);
63void mgb4_vout_free(struct mgb4_vout_dev *voutdev);
64
65#endif