drivers/media/platform/sunxi/sun8i-rotate/sun8i-rotate.h

Source file repositories/reference/linux-study-clean/drivers/media/platform/sunxi/sun8i-rotate/sun8i-rotate.h

File Facts

System
Linux kernel
Corpus path
drivers/media/platform/sunxi/sun8i-rotate/sun8i-rotate.h
Extension
.h
Size
3476 bytes
Lines
136
Domain
Driver Families
Bucket
drivers/media
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct rotate_ctx {
	struct v4l2_fh		fh;
	struct rotate_dev	*dev;

	struct v4l2_pix_format	src_fmt;
	struct v4l2_pix_format	dst_fmt;

	struct v4l2_ctrl_handler ctrl_handler;

	u32 hflip;
	u32 vflip;
	u32 rotate;
};

struct rotate_dev {
	struct v4l2_device	v4l2_dev;
	struct video_device	vfd;
	struct device		*dev;
	struct v4l2_m2m_dev	*m2m_dev;

	/* Device file mutex */
	struct mutex		dev_mutex;

	void __iomem		*base;

	struct clk		*bus_clk;
	struct clk		*mod_clk;

	struct reset_control	*rstc;
};

#endif

Annotation

Implementation Notes