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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2013 - 2025 Intel Corporation
*/
#ifndef IPU7_ISYS_VIDEO_H
#define IPU7_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 "ipu7-isys-queue.h"
#define IPU_INSYS_OUTPUT_PINS 11U
#define IPU_ISYS_MAX_PARALLEL_SOF 2U
struct file;
struct ipu7_isys;
struct ipu7_isys_csi2;
struct ipu7_insys_stream_cfg;
struct ipu7_isys_subdev;
struct ipu7_isys_pixelformat {
u32 pixelformat;
u32 bpp;
u32 bpp_packed;
u32 code;
u32 css_pixelformat;
};
struct sequence_info {
unsigned int sequence;
u64 timestamp;
};
struct output_pin_data {
void (*pin_ready)(struct ipu7_isys_stream *stream,
struct ipu7_insys_resp *info);
struct ipu7_isys_queue *aq;
};
/*
* Align with firmware stream. Each stream represents a CSI virtual channel.
* May map to multiple video devices
*/
struct ipu7_isys_stream {
struct mutex mutex;
struct media_entity *source_entity;
atomic_t sequence;
atomic_t buf_id;
unsigned int seq_index;
struct sequence_info seq[IPU_ISYS_MAX_PARALLEL_SOF];
int stream_source;
int stream_handle;
unsigned int nr_output_pins;
struct ipu7_isys_subdev *asd;
int nr_queues; /* Number of capture queues */
int nr_streaming;
int streaming;
struct list_head queues;
struct completion stream_open_completion;
struct completion stream_close_completion;
struct completion stream_start_completion;
struct completion stream_stop_completion;
struct ipu7_isys *isys;
struct output_pin_data output_pins[IPU_INSYS_OUTPUT_PINS];
int error;
u8 vc;
};
struct ipu7_isys_video {
struct ipu7_isys_queue aq;
/* Serialise access to other fields in the struct. */
struct mutex mutex;
struct media_pad pad;
struct video_device vdev;
struct v4l2_pix_format pix_fmt;
struct ipu7_isys *isys;
struct ipu7_isys_csi2 *csi2;
struct ipu7_isys_stream *stream;
unsigned int streaming;
u8 vc;
u8 dt;
};
#define ipu7_isys_queue_to_video(__aq) \
container_of(__aq, struct ipu7_isys_video, aq)
extern const struct ipu7_isys_pixelformat ipu7_isys_pfmts[];
const struct ipu7_isys_pixelformat *ipu7_isys_get_isys_format(u32 pixelformat);
int ipu7_isys_video_prepare_stream(struct ipu7_isys_video *av,
struct media_entity *source_entity,
int nr_queues);
int ipu7_isys_video_set_streaming(struct ipu7_isys_video *av, int state,
struct ipu7_isys_buffer_list *bl);
int ipu7_isys_fw_open(struct ipu7_isys *isys);
void ipu7_isys_fw_close(struct ipu7_isys *isys);
int ipu7_isys_setup_video(struct ipu7_isys_video *av,
struct media_entity **source_entity, int *nr_queues);
int ipu7_isys_video_init(struct ipu7_isys_video *av);
void ipu7_isys_video_cleanup(struct ipu7_isys_video *av);
void ipu7_isys_put_stream(struct ipu7_isys_stream *stream);
struct ipu7_isys_stream *
ipu7_isys_query_stream_by_handle(struct ipu7_isys *isys,
u8 stream_handle);
struct ipu7_isys_stream *
ipu7_isys_query_stream_by_source(struct ipu7_isys *isys, int source, u8 vc);
#endif /* IPU7_ISYS_VIDEO_H */
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