staging/vchiq-mmal: Add parameters for interlaced video support

Adds enum mmal_interlace_type and struct
mmal_parameter_video_interlace_type to allow for querying the
interlacing mode on decoders.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>

diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h b/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
index 722af05..3ef8e1e 100644 (file)
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
@@ -811,6 +811,43 @@ struct mmal_parameter_displayregion {
        u32 alpha;
 };
 
+enum mmal_interlace_type {
+       /* The data is not interlaced, it is progressive scan */
+       MMAL_INTERLACE_PROGRESSIVE,
+       /*
+        * The data is interlaced, fields sent separately in temporal order, with
+        * upper field first
+        */
+       MMAL_INTERLACE_FIELD_SINGLE_UPPER_FIRST,
+       /*
+        * The data is interlaced, fields sent separately in temporal order, with
+        * lower field first
+        */
+       MMAL_INTERLACE_FIELD_SINGLE_LOWER_FIRST,
+       /*
+        * The data is interlaced, two fields sent together line interleaved,
+        * with the upper field temporally earlier
+        */
+       MMAL_INTERLACE_FIELDS_INTERLEAVED_UPPER_FIRST,
+       /*
+        * The data is interlaced, two fields sent together line interleaved,
+        * with the lower field temporally earlier
+        */
+       MMAL_INTERLACE_FIELDS_INTERLEAVED_LOWER_FIRST,
+       /*
+        * The stream may contain a mixture of progressive and interlaced
+        * frames
+        */
+       MMAL_INTERLACE_MIXED,
+
+       MMAL_INTERLACE_DUMMY = 0x7FFFFFFF
+};
+
+struct mmal_parameter_video_interlace_type {
+       enum mmal_interlace_type mode;  /* The interlace type of the content */
+       u32 bRepeatFirstField;          /* Whether to repeat the first field */
+};
+
 #define MMAL_MAX_IMAGEFX_PARAMETERS 5
 
 struct mmal_parameter_imagefx_parameters {