/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2011-2018 Magewell Electronics Co., Ltd. (Nanjing)
* Author: Yong Deng <[email protected]>
* Copyright 2021-2022 Bootlin
* Author: Paul Kocialkowski <[email protected]>
*/
#ifndef _SUN6I_CAPTURE_H_
#define _SUN6I_CAPTURE_H_
#include <media/v4l2-device.h>
#define SUN6I_CSI_CAPTURE_NAME "sun6i-csi-capture"
#define SUN6I_CSI_CAPTURE_WIDTH_MIN 32
#define SUN6I_CSI_CAPTURE_WIDTH_MAX 4800
#define SUN6I_CSI_CAPTURE_HEIGHT_MIN 32
#define SUN6I_CSI_CAPTURE_HEIGHT_MAX 4800
struct sun6i_csi_device;
struct sun6i_csi_capture_format {
u32 pixelformat;
u8 output_format_field;
u8 output_format_frame;
bool input_yuv_seq_invert;
bool input_format_raw;
u32 hsize_len_factor;
};
struct sun6i_csi_capture_format_match {
u32 pixelformat;
u32 mbus_code;
};
#undef current
struct sun6i_csi_capture_state {
struct list_head queue;
spinlock_t lock; /* Queue and buffers lock. */
struct sun6i_csi_buffer *pending;
struct sun6i_csi_buffer *current;
struct sun6i_csi_buffer *complete;
unsigned int sequence;
bool streaming;
bool setup;
};
struct sun6i_csi_capture {
struct sun6i_csi_capture_state state;
struct video_device video_dev;
struct vb2_queue queue;
struct mutex lock; /* Queue lock. */
struct media_pad pad;
struct v4l2_format format;
};
/* Helpers */
void sun6i_csi_capture_dimensions(struct sun6i_csi_device *csi_dev,
unsigned int *width, unsigned int *height);
void sun6i_csi_capture_format(struct sun6i_csi_device *csi_dev,
u32 *pixelformat, u32 *field);
/* Format */
const
struct sun6i_csi_capture_format *sun6i_csi_capture_format_find(u32 pixelformat);
/* Capture */
void sun6i_csi_capture_configure(struct sun6i_csi_device *csi_dev);
void sun6i_csi_capture_state_update(struct sun6i_csi_device *csi_dev);
/* State */
void sun6i_csi_capture_sync(struct sun6i_csi_device *csi_dev);
void sun6i_csi_capture_frame_done(struct sun6i_csi_device *csi_dev);
/* Capture */
int sun6i_csi_capture_setup(struct sun6i_csi_device *csi_dev);
void sun6i_csi_capture_cleanup(struct sun6i_csi_device *csi_dev);
#endif