drivers/platform/raspberrypi/vchiq-mmal/mmal-parameters.h

Source file repositories/reference/linux-study-clean/drivers/platform/raspberrypi/vchiq-mmal/mmal-parameters.h

File Facts

System
Linux kernel
Corpus path
drivers/platform/raspberrypi/vchiq-mmal/mmal-parameters.h
Extension
.h
Size
22551 bytes
Lines
753
Domain
Driver Families
Bucket
drivers/platform
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 mmal_parameter_fps_range {
	/**< Low end of the permitted framerate range */
	struct s32_fract	fps_low;
	/**< High end of the permitted framerate range */
	struct s32_fract	fps_high;
};

/* camera configuration parameter */
struct mmal_parameter_camera_config {
	/* Parameters for setting up the image pools */
	u32 max_stills_w; /* Max size of stills capture */
	u32 max_stills_h;
	u32 stills_yuv422; /* Allow YUV422 stills capture */
	u32 one_shot_stills; /* Continuous or one shot stills captures. */

	u32 max_preview_video_w; /* Max size of the preview or video
				  * capture frames
				  */
	u32 max_preview_video_h;
	u32 num_preview_video_frames;

	/** Sets the height of the circular buffer for stills capture. */
	u32 stills_capture_circular_buffer_height;

	/** Allows preview/encode to resume as fast as possible after the stills
	 * input frame has been received, and then processes the still frame in
	 * the background whilst preview/encode has resumed.
	 * Actual mode is controlled by MMAL_PARAMETER_CAPTURE_MODE.
	 */
	u32 fast_preview_resume;

	/** Selects algorithm for timestamping frames if
	 * there is no clock component connected.
	 * enum mmal_parameter_camera_config_timestamp_mode
	 */
	s32 use_stc_timestamp;
};

enum mmal_parameter_exposuremode {
	MMAL_PARAM_EXPOSUREMODE_OFF,
	MMAL_PARAM_EXPOSUREMODE_AUTO,
	MMAL_PARAM_EXPOSUREMODE_NIGHT,
	MMAL_PARAM_EXPOSUREMODE_NIGHTPREVIEW,
	MMAL_PARAM_EXPOSUREMODE_BACKLIGHT,
	MMAL_PARAM_EXPOSUREMODE_SPOTLIGHT,
	MMAL_PARAM_EXPOSUREMODE_SPORTS,
	MMAL_PARAM_EXPOSUREMODE_SNOW,
	MMAL_PARAM_EXPOSUREMODE_BEACH,
	MMAL_PARAM_EXPOSUREMODE_VERYLONG,
	MMAL_PARAM_EXPOSUREMODE_FIXEDFPS,
	MMAL_PARAM_EXPOSUREMODE_ANTISHAKE,
	MMAL_PARAM_EXPOSUREMODE_FIREWORKS,
};

enum mmal_parameter_exposuremeteringmode {
	MMAL_PARAM_EXPOSUREMETERINGMODE_AVERAGE,
	MMAL_PARAM_EXPOSUREMETERINGMODE_SPOT,
	MMAL_PARAM_EXPOSUREMETERINGMODE_BACKLIT,
	MMAL_PARAM_EXPOSUREMETERINGMODE_MATRIX,
};

enum mmal_parameter_awbmode {
	MMAL_PARAM_AWBMODE_OFF,
	MMAL_PARAM_AWBMODE_AUTO,
	MMAL_PARAM_AWBMODE_SUNLIGHT,
	MMAL_PARAM_AWBMODE_CLOUDY,
	MMAL_PARAM_AWBMODE_SHADE,
	MMAL_PARAM_AWBMODE_TUNGSTEN,
	MMAL_PARAM_AWBMODE_FLUORESCENT,
	MMAL_PARAM_AWBMODE_INCANDESCENT,
	MMAL_PARAM_AWBMODE_FLASH,
	MMAL_PARAM_AWBMODE_HORIZON,
};

enum mmal_parameter_imagefx {
	MMAL_PARAM_IMAGEFX_NONE,
	MMAL_PARAM_IMAGEFX_NEGATIVE,
	MMAL_PARAM_IMAGEFX_SOLARIZE,
	MMAL_PARAM_IMAGEFX_POSTERIZE,
	MMAL_PARAM_IMAGEFX_WHITEBOARD,
	MMAL_PARAM_IMAGEFX_BLACKBOARD,
	MMAL_PARAM_IMAGEFX_SKETCH,
	MMAL_PARAM_IMAGEFX_DENOISE,
	MMAL_PARAM_IMAGEFX_EMBOSS,
	MMAL_PARAM_IMAGEFX_OILPAINT,
	MMAL_PARAM_IMAGEFX_HATCH,
	MMAL_PARAM_IMAGEFX_GPEN,
	MMAL_PARAM_IMAGEFX_PASTEL,
	MMAL_PARAM_IMAGEFX_WATERCOLOUR,
	MMAL_PARAM_IMAGEFX_FILM,

Annotation

Implementation Notes