linux/drivers/media/pci/intel/ipu6/ipu6-isys-video.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2013--2024 Intel Corporation */

#ifndef IPU6_ISYS_VIDEO_H
#define IPU6_ISYS_VIDEO_H

#include <linux/atomic.h>
#include <linux/completion.h>
#include <linux/container_of.h>
#include <linux/list.h>
#include <linux/mutex.h>

#include <media/media-entity.h>
#include <media/v4l2-dev.h>

#include "ipu6-isys-queue.h"

#define IPU6_ISYS_OUTPUT_PINS …
#define IPU6_ISYS_MAX_PARALLEL_SOF …

struct file;
struct ipu6_isys;
struct ipu6_isys_csi2;
struct ipu6_isys_subdev;

struct ipu6_isys_pixelformat { … };

struct sequence_info { … };

struct output_pin_data { … };

/*
 * Align with firmware stream. Each stream represents a CSI virtual channel.
 * May map to multiple video devices
 */
struct ipu6_isys_stream { … };

struct video_stream_watermark { … };

struct ipu6_isys_video { … };

#define ipu6_isys_queue_to_video(__aq) …

extern const struct ipu6_isys_pixelformat ipu6_isys_pfmts[];
extern const struct ipu6_isys_pixelformat ipu6_isys_pfmts_packed[];

const struct ipu6_isys_pixelformat *
ipu6_isys_get_isys_format(u32 pixelformat, u32 code);
int ipu6_isys_video_prepare_stream(struct ipu6_isys_video *av,
				   struct media_entity *source_entity,
				   int nr_queues);
int ipu6_isys_video_set_streaming(struct ipu6_isys_video *av, int state,
				  struct ipu6_isys_buffer_list *bl);
int ipu6_isys_fw_open(struct ipu6_isys *isys);
void ipu6_isys_fw_close(struct ipu6_isys *isys);
int ipu6_isys_setup_video(struct ipu6_isys_video *av,
			  struct media_entity **source_entity, int *nr_queues);
int ipu6_isys_video_init(struct ipu6_isys_video *av);
void ipu6_isys_video_cleanup(struct ipu6_isys_video *av);
void ipu6_isys_put_stream(struct ipu6_isys_stream *stream);
struct ipu6_isys_stream *
ipu6_isys_query_stream_by_handle(struct ipu6_isys *isys, u8 stream_handle);
struct ipu6_isys_stream *
ipu6_isys_query_stream_by_source(struct ipu6_isys *isys, int source, u8 vc);

void ipu6_isys_configure_stream_watermark(struct ipu6_isys_video *av,
					  bool state);
void ipu6_isys_update_stream_watermark(struct ipu6_isys_video *av, bool state);

u32 ipu6_isys_get_format(struct ipu6_isys_video *av);
u32 ipu6_isys_get_data_size(struct ipu6_isys_video *av);
u32 ipu6_isys_get_bytes_per_line(struct ipu6_isys_video *av);
u32 ipu6_isys_get_frame_width(struct ipu6_isys_video *av);
u32 ipu6_isys_get_frame_height(struct ipu6_isys_video *av);

#endif /* IPU6_ISYS_VIDEO_H */