argon: Initial argon image format support

interface/mmal/mmal_encodings.h

@@ -153,6 +153,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #define MMAL_ENCODING_YUVUV64_10      MMAL_FOURCC('S','A','1','0')
 
+#define MMAL_ENCODING_ARGON10         MMAL_FOURCC('A','R','G','1')
+
 /** VideoCore opaque image format, image handles are returned to
  * the host but not the actual image data.
  */

interface/mmal/util/mmal_il.c

@@ -735,6 +735,7 @@ static struct {
    {MMAL_ENCODING_NV12,           OMX_COLOR_FormatYUV420SemiPlanar},
    {MMAL_ENCODING_NV21,           OMX_COLOR_FormatYVU420PackedSemiPlanar},
    {MMAL_ENCODING_YUVUV128,       OMX_COLOR_FormatYUVUV128},
+   {MMAL_ENCODING_ARGON10,        OMX_COLOR_FormatArgon10},
    {MMAL_ENCODING_YUYV,           OMX_COLOR_FormatYCbYCr},
    {MMAL_ENCODING_YVYU,           OMX_COLOR_FormatYCrYCb},
    {MMAL_ENCODING_UYVY,           OMX_COLOR_FormatCbYCrY},

interface/vctypes/vc_image_types.h

@@ -119,6 +119,7 @@ typedef enum
    VC_IMAGE_YUV420_16,  /* YUV4:2:0 planar, 16bit values */
    VC_IMAGE_YUV_UV_16,  /* YUV4:2:0 codec format, 16bit values */
    VC_IMAGE_YUV420_S,   /* YUV4:2:0 with U,V in side-by-side format */
+   VC_IMAGE_ARGON10,  /* Argon 10-bit image format */
 
    VC_IMAGE_MAX,     //bounds for error checking
    VC_IMAGE_FORCE_ENUM_16BIT = 0xffff,

interface/vmcs_host/khronos/IL/OMX_IVCommon.h

@@ -150,6 +150,7 @@ typedef enum OMX_COLOR_FORMATTYPE {
     OMX_COLOR_FormatYUV420_UVSideBySide,    /**< YUV420, but with U and V in side-by-side format */
     OMX_COLOR_Format32bitXRGB8888,
     OMX_COLOR_Format32bitXBGR8888,
+    OMX_COLOR_FormatArgon10,
     OMX_COLOR_FormatMax = 0x7FFFFFFF
 } OMX_COLOR_FORMATTYPE;