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/* 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
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