drivers/media/pci/intel/ipu6/ipu6-isys-subdev.h

Source file repositories/reference/linux-study-clean/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.h

File Facts

System
Linux kernel
Corpus path
drivers/media/pci/intel/ipu6/ipu6-isys-subdev.h
Extension
.h
Size
1688 bytes
Lines
52
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 ipu6_isys_subdev {
	struct v4l2_subdev sd;
	struct ipu6_isys *isys;
	u32 const *supported_codes;
	struct media_pad *pad;
	struct v4l2_ctrl_handler ctrl_handler;
	void (*ctrl_init)(struct v4l2_subdev *sd);
	int source;	/* SSI stream source; -1 if unset */
};

#define to_ipu6_isys_subdev(__sd) \
	container_of(__sd, struct ipu6_isys_subdev, sd)

unsigned int ipu6_isys_mbus_code_to_bpp(u32 code);
unsigned int ipu6_isys_mbus_code_to_mipi(u32 code);
bool ipu6_isys_is_bayer_format(u32 code);
u32 ipu6_isys_convert_bayer_order(u32 code, int x, int y);

int ipu6_isys_subdev_set_fmt(struct v4l2_subdev *sd,
			     struct v4l2_subdev_state *state,
			     struct v4l2_subdev_format *fmt);
int ipu6_isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
				    struct v4l2_subdev_state *state,
				    struct v4l2_subdev_mbus_code_enum
				    *code);
u32 ipu6_isys_get_src_stream_by_src_pad(struct v4l2_subdev *sd, u32 pad);
int ipu6_isys_subdev_set_routing(struct v4l2_subdev *sd,
				 struct v4l2_subdev_state *state,
				 enum v4l2_subdev_format_whence which,
				 struct v4l2_subdev_krouting *routing);
int ipu6_isys_subdev_init(struct ipu6_isys_subdev *asd,
			  const struct v4l2_subdev_ops *ops,
			  unsigned int nr_ctrls,
			  unsigned int num_sink_pads,
			  unsigned int num_source_pads);
void ipu6_isys_subdev_cleanup(struct ipu6_isys_subdev *asd);
#endif /* IPU6_ISYS_SUBDEV_H */

Annotation

Implementation Notes