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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2021-2022 Bootlin
* Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
*/
#ifndef _SUN6I_ISP_CAPTURE_H_
#define _SUN6I_ISP_CAPTURE_H_
#include <media/v4l2-device.h>
#define SUN6I_ISP_CAPTURE_NAME "sun6i-isp-capture"
#define SUN6I_ISP_CAPTURE_WIDTH_MIN 16
#define SUN6I_ISP_CAPTURE_WIDTH_MAX 3264
#define SUN6I_ISP_CAPTURE_HEIGHT_MIN 16
#define SUN6I_ISP_CAPTURE_HEIGHT_MAX 2448
struct sun6i_isp_device;
struct sun6i_isp_capture_format {
u32 pixelformat;
u8 output_format;
};
#undef current
struct sun6i_isp_capture_state {
struct list_head queue;
spinlock_t lock; /* Queue and buffers lock. */
struct sun6i_isp_buffer *pending;
struct sun6i_isp_buffer *current;
struct sun6i_isp_buffer *complete;
unsigned int sequence;
bool streaming;
};
struct sun6i_isp_capture {
struct sun6i_isp_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_isp_capture_dimensions(struct sun6i_isp_device *isp_dev,
unsigned int *width, unsigned int *height);
void sun6i_isp_capture_format(struct sun6i_isp_device *isp_dev,
u32 *pixelformat);
/* Format */
const struct sun6i_isp_capture_format *
sun6i_isp_capture_format_find(u32 pixelformat);
/* Capture */
void sun6i_isp_capture_configure(struct sun6i_isp_device *isp_dev);
/* State */
void sun6i_isp_capture_state_update(struct sun6i_isp_device *isp_dev,
bool *update);
void sun6i_isp_capture_state_complete(struct sun6i_isp_device *isp_dev);
void sun6i_isp_capture_finish(struct sun6i_isp_device *isp_dev);
/* Capture */
int sun6i_isp_capture_setup(struct sun6i_isp_device *isp_dev);
void sun6i_isp_capture_cleanup(struct sun6i_isp_device *isp_dev);
#endif
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