renesas/rcar-vin/rcar-vin.h

1 /* SPDX-License-Identifier: GPL-2.0+ */
3  * Driver for Renesas R-Car VIN
6  * Copyright (C) 2011-2013 Renesas Solutions Corp.
10  * Based on the soc-camera rcar_vin driver
18 #include <media/v4l2-async.h>
19 #include <media/v4l2-ctrls.h>
20 #include <media/v4l2-dev.h>
21 #include <media/v4l2-device.h>
22 #include <media/v4l2-fwnode.h>
23 #include <media/videobuf2-v4l2.h>
31 /* Max number on VIN instances that can be in a system */
65  * enum rvin_dma_state - DMA states
66  * @STOPPED:   No operation in progress
68  * @RUNNING:   Operation in progress have buffers
98  * struct rvin_video_format - Data format stored in memory
108  * struct rvin_parallel_entity - Parallel video input endpoint descriptor
129  * struct rvin_group_route - describes a route from a channel of a
130  *	CSI-2 receiver to a VIN
133  * @csi:	CSI-2 receiver ID.
134  * @chsel:	CHSEL register values that connects VIN group to CSI-2.
137  *	Each R-Car CSI-2 receiver has four output channels facing the VIN
138  *	devices, each channel can carry one CSI-2 Virtual Channel (VC).
139  *	There is no correlation between channel number and CSI-2 VC. It's
140  *	up to the CSI-2 receiver driver to configure which VC is output
145 	enum rvin_csi_id csi;  member
150  * struct rvin_info - Information about the particular VIN implementation
153  * @use_isp:		the VIN is connected to the ISP and not to the CSI-2
157  * @routes:		list of possible routes from the CSI-2 recivers to
174  * struct rvin_dev - Renesas VIN device structure
186  * @group:		Gen3 CSI group
201  * @is_csi:		flag to mark the VIN as using a CSI-2 subdevice
202  * @chsel:		Cached value of the current CSI-2 channel selection
212  * @alpha:		Alpha component to fill in for supported pixel formats
259 #define vin_to_source(vin)		((vin)->parallel.subdev)
262 #define vin_dbg(d, fmt, arg...)		dev_dbg(d->dev, fmt, ##arg)
263 #define vin_info(d, fmt, arg...)	dev_info(d->dev, fmt, ##arg)
264 #define vin_warn(d, fmt, arg...)	dev_warn(d->dev, fmt, ##arg)
265 #define vin_err(d, fmt, arg...)		dev_err(d->dev, fmt, ##arg)
268  * struct rvin_group - VIN CSI2 group information
273  * @lock:		protects the count, notifier, vin and csi members
274  * @count:		number of enabled VIN instances found in DT
275  * @notifier:		group notifier for CSI-2 async connections