70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2021-2022 Bootlin
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* Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
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*/
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#ifndef _SUN6I_CSI_BRIDGE_H_
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#define _SUN6I_CSI_BRIDGE_H_
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#include <media/v4l2-device.h>
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#include <media/v4l2-fwnode.h>
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#define SUN6I_CSI_BRIDGE_NAME "sun6i-csi-bridge"
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enum sun6i_csi_bridge_pad {
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SUN6I_CSI_BRIDGE_PAD_SINK = 0,
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SUN6I_CSI_BRIDGE_PAD_SOURCE = 1,
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SUN6I_CSI_BRIDGE_PAD_COUNT = 2,
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};
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struct sun6i_csi_device;
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struct sun6i_csi_bridge_format {
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u32 mbus_code;
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u8 input_format;
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u8 input_yuv_seq;
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u8 input_yuv_seq_invert;
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};
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struct sun6i_csi_bridge_source {
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struct v4l2_subdev *subdev;
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struct v4l2_fwnode_endpoint endpoint;
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bool expected;
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};
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struct sun6i_csi_bridge_async_subdev {
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struct v4l2_async_subdev async_subdev;
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struct sun6i_csi_bridge_source *source;
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};
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struct sun6i_csi_bridge {
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struct v4l2_subdev subdev;
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struct v4l2_async_notifier notifier;
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struct media_pad pads[2];
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struct v4l2_mbus_framefmt mbus_format;
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struct mutex lock; /* Mbus format lock. */
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struct sun6i_csi_bridge_source source_parallel;
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struct sun6i_csi_bridge_source source_mipi_csi2;
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};
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/* Helpers */
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void sun6i_csi_bridge_dimensions(struct sun6i_csi_device *csi_dev,
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unsigned int *width, unsigned int *height);
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void sun6i_csi_bridge_format(struct sun6i_csi_device *csi_dev,
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u32 *mbus_code, u32 *field);
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/* Format */
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const struct sun6i_csi_bridge_format *
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sun6i_csi_bridge_format_find(u32 mbus_code);
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/* Bridge */
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int sun6i_csi_bridge_setup(struct sun6i_csi_device *csi_dev);
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void sun6i_csi_bridge_cleanup(struct sun6i_csi_device *csi_dev);
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#endif
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