Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Jack Zhu | 297 | 100.00% | 1 | 100.00% |
Total | 297 | 1 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * stf_video.h * * StarFive Camera Subsystem - V4L2 device node * * Copyright (C) 2021-2023 StarFive Technology Co., Ltd. */ #ifndef STF_VIDEO_H #define STF_VIDEO_H #include <linux/list.h> #include <linux/mutex.h> #include <linux/videodev2.h> #include <media/v4l2-dev.h> #include <media/v4l2-fh.h> #include <media/v4l2-ioctl.h> #include <media/videobuf2-v4l2.h> #define STFCAMSS_FRAME_MIN_WIDTH 64 #define STFCAMSS_FRAME_MAX_WIDTH 1920 #define STFCAMSS_FRAME_MIN_HEIGHT 64 #define STFCAMSS_FRAME_MAX_HEIGHT 1080 #define STFCAMSS_FRAME_WIDTH_ALIGN_8 8 #define STFCAMSS_FRAME_WIDTH_ALIGN_128 128 #define STFCAMSS_MIN_BUFFERS 2 #define STFCAMSS_MAX_ENTITY_NAME_LEN 27 enum stf_v_line_id { STF_V_LINE_WR = 0, STF_V_LINE_ISP, STF_V_LINE_MAX, }; enum stf_capture_type { STF_CAPTURE_RAW = 0, STF_CAPTURE_YUV, STF_CAPTURE_NUM, }; struct stfcamss_buffer { struct vb2_v4l2_buffer vb; dma_addr_t addr[2]; struct list_head queue; }; struct fract { u8 numerator; u8 denominator; }; /* * struct stfcamss_format_info - ISP media bus format information * @code: V4L2 media bus format code * @pixelformat: V4L2 pixel format FCC identifier * @planes: Number of planes * @vsub: Vertical subsampling (for each plane) * @bpp: Bits per pixel when stored in memory (for each plane) */ struct stfcamss_format_info { u32 code; u32 pixelformat; u8 planes; u8 vsub[3]; u8 bpp; }; struct stfcamss_video { struct stfcamss *stfcamss; struct vb2_queue vb2_q; struct video_device vdev; struct media_pad pad; struct v4l2_format active_fmt; enum v4l2_buf_type type; const struct stfcamss_video_ops *ops; struct mutex lock; /* serialize device access */ struct mutex q_lock; /* protects the queue */ unsigned int bpl_alignment; const struct stfcamss_format_info *formats; unsigned int nformats; struct v4l2_subdev *source_subdev; }; struct stfcamss_video_ops { int (*queue_buffer)(struct stfcamss_video *video, struct stfcamss_buffer *buf); int (*flush_buffers)(struct stfcamss_video *video, enum vb2_buffer_state state); void (*start_streaming)(struct stfcamss_video *video); void (*stop_streaming)(struct stfcamss_video *video); }; int stf_video_register(struct stfcamss_video *video, struct v4l2_device *v4l2_dev, const char *name); void stf_video_unregister(struct stfcamss_video *video); #endif /* STF_VIDEO_H */
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