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