142 lines
3.9 KiB
C
142 lines
3.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (C) 2013--2024 Intel Corporation */
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#ifndef IPU6_ISYS_VIDEO_H
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#define IPU6_ISYS_VIDEO_H
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#include <linux/atomic.h>
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#include <linux/completion.h>
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#include <linux/container_of.h>
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#include <linux/list.h>
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#include <linux/mutex.h>
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#include <media/media-entity.h>
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#include <media/v4l2-dev.h>
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#include "ipu6-isys-queue.h"
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#define IPU6_ISYS_OUTPUT_PINS 11
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#define IPU6_ISYS_MAX_PARALLEL_SOF 2
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struct file;
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struct ipu6_isys;
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struct ipu6_isys_csi2;
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struct ipu6_isys_subdev;
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struct ipu6_isys_pixelformat {
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u32 pixelformat;
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u32 bpp;
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u32 bpp_packed;
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u32 code;
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u32 css_pixelformat;
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bool is_meta;
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};
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struct sequence_info {
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unsigned int sequence;
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u64 timestamp;
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};
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struct output_pin_data {
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void (*pin_ready)(struct ipu6_isys_stream *stream,
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struct ipu6_fw_isys_resp_info_abi *info);
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struct ipu6_isys_queue *aq;
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};
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/*
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* Align with firmware stream. Each stream represents a CSI virtual channel.
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* May map to multiple video devices
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*/
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struct ipu6_isys_stream {
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struct mutex mutex;
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struct media_entity *source_entity;
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atomic_t sequence;
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unsigned int seq_index;
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struct sequence_info seq[IPU6_ISYS_MAX_PARALLEL_SOF];
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int stream_source;
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int stream_handle;
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unsigned int nr_output_pins;
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struct ipu6_isys_subdev *asd;
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int nr_queues; /* Number of capture queues */
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int nr_streaming;
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int streaming; /* Has streaming been really started? */
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struct list_head queues;
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struct completion stream_open_completion;
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struct completion stream_close_completion;
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struct completion stream_start_completion;
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struct completion stream_stop_completion;
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struct ipu6_isys *isys;
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struct output_pin_data output_pins[IPU6_ISYS_OUTPUT_PINS];
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int error;
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u8 vc;
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};
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struct video_stream_watermark {
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u32 width;
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u32 height;
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u32 hblank;
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u32 frame_rate;
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u64 pixel_rate;
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u64 stream_data_rate;
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u16 sram_gran_shift;
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u16 sram_gran_size;
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struct list_head stream_node;
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};
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struct ipu6_isys_video {
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struct ipu6_isys_queue aq;
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/* Serialise access to other fields in the struct. */
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struct mutex mutex;
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struct media_pad pad;
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struct video_device vdev;
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struct v4l2_pix_format pix_fmt;
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struct v4l2_meta_format meta_fmt;
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struct ipu6_isys *isys;
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struct ipu6_isys_csi2 *csi2;
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struct ipu6_isys_stream *stream;
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unsigned int streaming;
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struct video_stream_watermark watermark;
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u32 source_stream;
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u8 vc;
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u8 dt;
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};
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#define ipu6_isys_queue_to_video(__aq) \
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container_of(__aq, struct ipu6_isys_video, aq)
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extern const struct ipu6_isys_pixelformat ipu6_isys_pfmts[];
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extern const struct ipu6_isys_pixelformat ipu6_isys_pfmts_packed[];
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const struct ipu6_isys_pixelformat *
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ipu6_isys_get_isys_format(u32 pixelformat, u32 code);
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int ipu6_isys_video_prepare_stream(struct ipu6_isys_video *av,
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struct media_entity *source_entity,
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int nr_queues);
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int ipu6_isys_video_set_streaming(struct ipu6_isys_video *av, int state,
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struct ipu6_isys_buffer_list *bl);
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int ipu6_isys_fw_open(struct ipu6_isys *isys);
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void ipu6_isys_fw_close(struct ipu6_isys *isys);
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int ipu6_isys_setup_video(struct ipu6_isys_video *av,
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struct media_entity **source_entity, int *nr_queues);
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int ipu6_isys_video_init(struct ipu6_isys_video *av);
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void ipu6_isys_video_cleanup(struct ipu6_isys_video *av);
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void ipu6_isys_put_stream(struct ipu6_isys_stream *stream);
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struct ipu6_isys_stream *
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ipu6_isys_query_stream_by_handle(struct ipu6_isys *isys, u8 stream_handle);
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struct ipu6_isys_stream *
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ipu6_isys_query_stream_by_source(struct ipu6_isys *isys, int source, u8 vc);
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void ipu6_isys_configure_stream_watermark(struct ipu6_isys_video *av,
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bool state);
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void ipu6_isys_update_stream_watermark(struct ipu6_isys_video *av, bool state);
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u32 ipu6_isys_get_format(struct ipu6_isys_video *av);
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u32 ipu6_isys_get_data_size(struct ipu6_isys_video *av);
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u32 ipu6_isys_get_bytes_per_line(struct ipu6_isys_video *av);
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u32 ipu6_isys_get_frame_width(struct ipu6_isys_video *av);
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u32 ipu6_isys_get_frame_height(struct ipu6_isys_video *av);
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#endif /* IPU6_ISYS_VIDEO_H */
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