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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (C) 2013--2024 Intel Corporation */3 4#ifndef IPU6_ISYS_VIDEO_H5#define IPU6_ISYS_VIDEO_H6 7#include <linux/atomic.h>8#include <linux/completion.h>9#include <linux/container_of.h>10#include <linux/list.h>11#include <linux/mutex.h>12 13#include <media/media-entity.h>14#include <media/v4l2-dev.h>15 16#include "ipu6-isys-queue.h"17 18#define IPU6_ISYS_OUTPUT_PINS 1119#define IPU6_ISYS_MAX_PARALLEL_SOF 220 21struct file;22struct ipu6_isys;23struct ipu6_isys_csi2;24struct ipu6_isys_subdev;25 26struct ipu6_isys_pixelformat {27 u32 pixelformat;28 u32 bpp;29 u32 bpp_packed;30 u32 code;31 u32 css_pixelformat;32 bool is_meta;33};34 35struct sequence_info {36 unsigned int sequence;37 u64 timestamp;38};39 40struct output_pin_data {41 void (*pin_ready)(struct ipu6_isys_stream *stream,42 struct ipu6_fw_isys_resp_info_abi *info);43 struct ipu6_isys_queue *aq;44};45 46/*47 * Align with firmware stream. Each stream represents a CSI virtual channel.48 * May map to multiple video devices49 */50struct ipu6_isys_stream {51 struct mutex mutex;52 struct media_entity *source_entity;53 atomic_t sequence;54 unsigned int seq_index;55 struct sequence_info seq[IPU6_ISYS_MAX_PARALLEL_SOF];56 int stream_source;57 int stream_handle;58 unsigned int nr_output_pins;59 struct ipu6_isys_subdev *asd;60 61 int nr_queues; /* Number of capture queues */62 int nr_streaming;63 int streaming; /* Has streaming been really started? */64 struct list_head queues;65 struct completion stream_open_completion;66 struct completion stream_close_completion;67 struct completion stream_start_completion;68 struct completion stream_stop_completion;69 struct ipu6_isys *isys;70 71 struct output_pin_data output_pins[IPU6_ISYS_OUTPUT_PINS];72 int error;73 u8 vc;74};75 76struct video_stream_watermark {77 u32 width;78 u32 height;79 u32 hblank;80 u32 frame_rate;81 u64 pixel_rate;82 u64 stream_data_rate;83 u16 sram_gran_shift;84 u16 sram_gran_size;85 struct list_head stream_node;86};87 88struct ipu6_isys_video {89 struct ipu6_isys_queue aq;90 /* Serialise access to other fields in the struct. */91 struct mutex mutex;92 struct media_pad pad;93 struct video_device vdev;94 struct v4l2_pix_format pix_fmt;95 struct v4l2_meta_format meta_fmt;96 struct ipu6_isys *isys;97 struct ipu6_isys_csi2 *csi2;98 struct ipu6_isys_stream *stream;99 unsigned int streaming;100 struct video_stream_watermark watermark;101 u32 source_stream;102 u8 vc;103 u8 dt;104};105 106#define ipu6_isys_queue_to_video(__aq) \107 container_of(__aq, struct ipu6_isys_video, aq)108 109extern const struct ipu6_isys_pixelformat ipu6_isys_pfmts[];110extern const struct ipu6_isys_pixelformat ipu6_isys_pfmts_packed[];111 112const struct ipu6_isys_pixelformat *113ipu6_isys_get_isys_format(u32 pixelformat, u32 code);114int ipu6_isys_video_prepare_stream(struct ipu6_isys_video *av,115 struct media_entity *source_entity,116 int nr_queues);117int ipu6_isys_video_set_streaming(struct ipu6_isys_video *av, int state,118 struct ipu6_isys_buffer_list *bl);119int ipu6_isys_fw_open(struct ipu6_isys *isys);120void ipu6_isys_fw_close(struct ipu6_isys *isys);121int ipu6_isys_setup_video(struct ipu6_isys_video *av,122 struct media_entity **source_entity, int *nr_queues);123int ipu6_isys_video_init(struct ipu6_isys_video *av);124void ipu6_isys_video_cleanup(struct ipu6_isys_video *av);125void ipu6_isys_put_stream(struct ipu6_isys_stream *stream);126struct ipu6_isys_stream *127ipu6_isys_query_stream_by_handle(struct ipu6_isys *isys, u8 stream_handle);128struct ipu6_isys_stream *129ipu6_isys_query_stream_by_source(struct ipu6_isys *isys, int source, u8 vc);130 131void ipu6_isys_configure_stream_watermark(struct ipu6_isys_video *av,132 bool state);133void ipu6_isys_update_stream_watermark(struct ipu6_isys_video *av, bool state);134 135u32 ipu6_isys_get_format(struct ipu6_isys_video *av);136u32 ipu6_isys_get_data_size(struct ipu6_isys_video *av);137u32 ipu6_isys_get_bytes_per_line(struct ipu6_isys_video *av);138u32 ipu6_isys_get_frame_width(struct ipu6_isys_video *av);139u32 ipu6_isys_get_frame_height(struct ipu6_isys_video *av);140 141#endif /* IPU6_ISYS_VIDEO_H */142