pisp-fe.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * PiSP Front End Driver
 4 *
 5 * Copyright (c) 2021-2024 Raspberry Pi Ltd.
 6 */
 7#ifndef _PISP_FE_H_
 8#define _PISP_FE_H_
 9
10#include <linux/debugfs.h>
11#include <linux/io.h>
12#include <linux/types.h>
13#include <linux/videodev2.h>
14
15#include <media/media-device.h>
16#include <media/v4l2-device.h>
17#include <media/v4l2-subdev.h>
18
19#include <linux/media/raspberrypi/pisp_fe_config.h>
20
21enum pisp_fe_pads {
22	FE_STREAM_PAD,
23	FE_CONFIG_PAD,
24	FE_OUTPUT0_PAD,
25	FE_OUTPUT1_PAD,
26	FE_STATS_PAD,
27	FE_NUM_PADS
28};
29
30struct pisp_fe_device {
31	/* Parent V4l2 device */
32	struct v4l2_device *v4l2_dev;
33	void __iomem *base;
34	u32 hw_revision;
35
36	u16 inframe_count;
37	struct media_pad pad[FE_NUM_PADS];
38	struct v4l2_subdev sd;
39};
40
41void pisp_fe_isr(struct pisp_fe_device *fe, bool *sof, bool *eof);
42int pisp_fe_validate_config(struct pisp_fe_device *fe,
43			    struct pisp_fe_config *cfg,
44			    struct v4l2_format const *f0,
45			    struct v4l2_format const *f1);
46void pisp_fe_submit_job(struct pisp_fe_device *fe, struct vb2_buffer **vb2_bufs,
47			struct pisp_fe_config *cfg);
48void pisp_fe_start(struct pisp_fe_device *fe);
49void pisp_fe_stop(struct pisp_fe_device *fe);
50int pisp_fe_init(struct pisp_fe_device *fe, struct dentry *debugfs);
51void pisp_fe_uninit(struct pisp_fe_device *fe);
52
53#endif