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-rw-r--r--include/linux/videodev2.h77
1 files changed, 55 insertions, 22 deletions
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 5e9559be..089eaac5 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1250,6 +1250,9 @@ struct v4l2_standard {
* (aka field 2) of interlaced field formats
* @standards: Standards the timing belongs to
* @flags: Flags
+ * @picture_aspect: The picture aspect ratio (hor/vert).
+ * @cea861_vic: VIC code as per the CEA-861 standard.
+ * @hdmi_vic: VIC code as per the HDMI standard.
* @reserved: Reserved fields, must be zeroed.
*
* A note regarding vertical interlaced timings: height refers to the total
@@ -1279,7 +1282,10 @@ struct v4l2_bt_timings {
__u32 il_vbackporch;
__u32 standards;
__u32 flags;
- __u32 reserved[14];
+ struct v4l2_fract picture_aspect;
+ __u8 cea861_vic;
+ __u8 hdmi_vic;
+ __u8 reserved[46];
} __attribute__ ((packed));
/* Interlaced or progressive format */
@@ -1299,39 +1305,66 @@ struct v4l2_bt_timings {
/* Flags */
-/* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
- GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
- intervals are reduced, allowing a higher resolution over the same
- bandwidth. This is a read-only flag. */
+/*
+ * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
+ * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
+ * intervals are reduced, allowing a higher resolution over the same
+ * bandwidth. This is a read-only flag.
+ */
#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
-/* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
- of six. These formats can be optionally played at 1 / 1.001 speed.
- This is a read-only flag. */
+/*
+ * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
+ * of six. These formats can be optionally played at 1 / 1.001 speed.
+ * This is a read-only flag.
+ */
#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
-/* CEA-861 specific: only valid for video transmitters, the flag is cleared
- by receivers.
- If the framerate of the format is a multiple of six, then the pixelclock
- used to set up the transmitter is divided by 1.001 to make it compatible
- with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
- 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
- such frequencies, then the flag will also be cleared. */
+/*
+ * CEA-861 specific: only valid for video transmitters, the flag is cleared
+ * by receivers.
+ * If the framerate of the format is a multiple of six, then the pixelclock
+ * used to set up the transmitter is divided by 1.001 to make it compatible
+ * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
+ * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
+ * such frequencies, then the flag will also be cleared.
+ */
#define V4L2_DV_FL_REDUCED_FPS (1 << 2)
-/* Specific to interlaced formats: if set, then field 1 is really one half-line
- longer and field 2 is really one half-line shorter, so each field has
- exactly the same number of half-lines. Whether half-lines can be detected
- or used depends on the hardware. */
+/*
+ * Specific to interlaced formats: if set, then field 1 is really one half-line
+ * longer and field 2 is really one half-line shorter, so each field has
+ * exactly the same number of half-lines. Whether half-lines can be detected
+ * or used depends on the hardware.
+ */
#define V4L2_DV_FL_HALF_LINE (1 << 3)
-/* If set, then this is a Consumer Electronics (CE) video format. Such formats
+/*
+ * If set, then this is a Consumer Electronics (CE) video format. Such formats
* differ from other formats (commonly called IT formats) in that if RGB
* encoding is used then by default the RGB values use limited range (i.e.
* use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
- * except for the 640x480 format are CE formats. */
+ * except for the 640x480 format are CE formats.
+ */
#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
/* Some formats like SMPTE-125M have an interlaced signal with a odd
* total height. For these formats, if this flag is set, the first
* field has the extra line. If not, it is the second field.
*/
-#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
+#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
+/*
+ * If set, then the picture_aspect field is valid. Otherwise assume that the
+ * pixels are square, so the picture aspect ratio is the same as the width to
+ * height ratio.
+ */
+#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
+/*
+ * If set, then the cea861_vic field is valid and contains the Video
+ * Identification Code as per the CEA-861 standard.
+ */
+#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
+/*
+ * If set, then the hdmi_vic field is valid and contains the Video
+ * Identification Code as per the HDMI standard (HDMI Vendor Specific
+ * InfoFrame).
+ */
+#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
/* A few useful defines to calculate the total blanking and frame sizes */
#define V4L2_DV_BT_BLANKING_WIDTH(bt) \

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