/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2021-2022 Bootlin * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com> */ #ifndef _SUN6I_CSI_BRIDGE_H_ #define _SUN6I_CSI_BRIDGE_H_ #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> #define SUN6I_CSI_BRIDGE_NAME "sun6i-csi-bridge" enum sun6i_csi_bridge_pad { SUN6I_CSI_BRIDGE_PAD_SINK = 0, SUN6I_CSI_BRIDGE_PAD_SOURCE = 1, SUN6I_CSI_BRIDGE_PAD_COUNT = 2, }; struct sun6i_csi_device; struct sun6i_csi_bridge_format { u32 mbus_code; u8 input_format; u8 input_yuv_seq; u8 input_yuv_seq_invert; }; struct sun6i_csi_bridge_source { struct v4l2_subdev *subdev; struct v4l2_fwnode_endpoint endpoint; bool expected; }; struct sun6i_csi_bridge_async_subdev { struct v4l2_async_connection async_subdev; struct sun6i_csi_bridge_source *source; }; struct sun6i_csi_bridge { struct v4l2_subdev subdev; struct v4l2_async_notifier notifier; struct media_pad pads[2]; struct v4l2_mbus_framefmt mbus_format; struct mutex lock; /* Mbus format lock. */ struct sun6i_csi_bridge_source source_parallel; struct sun6i_csi_bridge_source source_mipi_csi2; }; /* Helpers */ void sun6i_csi_bridge_dimensions(struct sun6i_csi_device *csi_dev, unsigned int *width, unsigned int *height); void sun6i_csi_bridge_format(struct sun6i_csi_device *csi_dev, u32 *mbus_code, u32 *field); /* Format */ const struct sun6i_csi_bridge_format * sun6i_csi_bridge_format_find(u32 mbus_code); /* Bridge */ int sun6i_csi_bridge_setup(struct sun6i_csi_device *csi_dev); void sun6i_csi_bridge_cleanup(struct sun6i_csi_device *csi_dev); #endif