/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (c) 2011-2018 Magewell Electronics Co., Ltd. (Nanjing) * Author: Yong Deng <yong.deng@magewell.com> * Copyright 2021-2022 Bootlin * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com> */ #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