a11a5570a0
Input system CSI2 receiver is exposed as a v4l2 sub-device. Each CSI2 sub-device represent one single CSI2 hardware port which be linked with external sub-device such camera sensor by linked with ISYS CSI2's sink pad. The CSI2 source pad is linked to the sink pad of video capture device. Signed-off-by: Bingbu Cao <bingbu.cao@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
59 lines
2 KiB
C
59 lines
2 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_SUBDEV_H
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#define IPU6_ISYS_SUBDEV_H
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#include <linux/container_of.h>
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#include <media/media-entity.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-subdev.h>
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struct ipu6_isys;
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struct ipu6_isys_subdev {
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struct v4l2_subdev sd;
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struct ipu6_isys *isys;
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u32 const *supported_codes;
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struct media_pad *pad;
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struct v4l2_ctrl_handler ctrl_handler;
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void (*ctrl_init)(struct v4l2_subdev *sd);
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int source; /* SSI stream source; -1 if unset */
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};
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#define to_ipu6_isys_subdev(__sd) \
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container_of(__sd, struct ipu6_isys_subdev, sd)
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unsigned int ipu6_isys_mbus_code_to_bpp(u32 code);
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unsigned int ipu6_isys_mbus_code_to_mipi(u32 code);
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bool ipu6_isys_is_bayer_format(u32 code);
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u32 ipu6_isys_convert_bayer_order(u32 code, int x, int y);
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int ipu6_isys_subdev_set_fmt(struct v4l2_subdev *sd,
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struct v4l2_subdev_state *state,
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struct v4l2_subdev_format *fmt);
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int ipu6_isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
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struct v4l2_subdev_state *state,
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struct v4l2_subdev_mbus_code_enum
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*code);
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int ipu6_isys_subdev_link_validate(struct v4l2_subdev *sd,
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struct media_link *link,
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struct v4l2_subdev_format *source_fmt,
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struct v4l2_subdev_format *sink_fmt);
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u32 ipu6_isys_get_src_stream_by_src_pad(struct v4l2_subdev *sd, u32 pad);
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int ipu6_isys_get_stream_pad_fmt(struct v4l2_subdev *sd, u32 pad, u32 stream,
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struct v4l2_mbus_framefmt *format);
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int ipu6_isys_get_stream_pad_crop(struct v4l2_subdev *sd, u32 pad, u32 stream,
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struct v4l2_rect *crop);
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int ipu6_isys_subdev_set_routing(struct v4l2_subdev *sd,
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struct v4l2_subdev_state *state,
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enum v4l2_subdev_format_whence which,
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struct v4l2_subdev_krouting *routing);
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int ipu6_isys_subdev_init(struct ipu6_isys_subdev *asd,
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const struct v4l2_subdev_ops *ops,
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unsigned int nr_ctrls,
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unsigned int num_sink_pads,
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unsigned int num_source_pads);
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void ipu6_isys_subdev_cleanup(struct ipu6_isys_subdev *asd);
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#endif /* IPU6_ISYS_SUBDEV_H */
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