[media] v4l: Add RBG and RGB 8:8:8 media bus formats on 24 and 32 bit busses

Add support and documentation for two media bus formats:
MEDIA_BUS_FMT_RBG888_1X24 and MEDIA_BUS_FMT_RGB888_1X32_PADHI
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

Documentation/DocBook/media/v4l/subdev-formats.xml

@@ -440,6 +440,36 @@ see <xref linkend="colorspaces" />.</entry>
 	      <entry>b<subscript>1</subscript></entry>
 	      <entry>b<subscript>0</subscript></entry>
 	    </row>
+	    <row id="MEDIA-BUS-FMT-RBG888-1X24">
+	      <entry>MEDIA_BUS_FMT_RBG888_1X24</entry>
+	      <entry>0x100e</entry>
+	      <entry></entry>
+	      &dash-ent-8;
+	      <entry>r<subscript>7</subscript></entry>
+	      <entry>r<subscript>6</subscript></entry>
+	      <entry>r<subscript>5</subscript></entry>
+	      <entry>r<subscript>4</subscript></entry>
+	      <entry>r<subscript>3</subscript></entry>
+	      <entry>r<subscript>2</subscript></entry>
+	      <entry>r<subscript>1</subscript></entry>
+	      <entry>r<subscript>0</subscript></entry>
+	      <entry>b<subscript>7</subscript></entry>
+	      <entry>b<subscript>6</subscript></entry>
+	      <entry>b<subscript>5</subscript></entry>
+	      <entry>b<subscript>4</subscript></entry>
+	      <entry>b<subscript>3</subscript></entry>
+	      <entry>b<subscript>2</subscript></entry>
+	      <entry>b<subscript>1</subscript></entry>
+	      <entry>b<subscript>0</subscript></entry>
+	      <entry>g<subscript>7</subscript></entry>
+	      <entry>g<subscript>6</subscript></entry>
+	      <entry>g<subscript>5</subscript></entry>
+	      <entry>g<subscript>4</subscript></entry>
+	      <entry>g<subscript>3</subscript></entry>
+	      <entry>g<subscript>2</subscript></entry>
+	      <entry>g<subscript>1</subscript></entry>
+	      <entry>g<subscript>0</subscript></entry>
+	    </row>
 	    <row id="MEDIA-BUS-FMT-RGB888-1X24">
 	      <entry>MEDIA_BUS_FMT_RGB888_1X24</entry>
 	      <entry>0x100a</entry>
@@ -579,6 +609,43 @@ see <xref linkend="colorspaces" />.</entry>
 	      <entry>b<subscript>1</subscript></entry>
 	      <entry>b<subscript>0</subscript></entry>
 	    </row>
+	    <row id="MEDIA-BUS-FMT-RGB888-1X32-PADHI">
+	      <entry>MEDIA_BUS_FMT_RGB888_1X32_PADHI</entry>
+	      <entry>0x100f</entry>
+	      <entry></entry>
+	      <entry>0</entry>
+	      <entry>0</entry>
+	      <entry>0</entry>
+	      <entry>0</entry>
+	      <entry>0</entry>
+	      <entry>0</entry>
+	      <entry>0</entry>
+	      <entry>0</entry>
+	      <entry>r<subscript>7</subscript></entry>
+	      <entry>r<subscript>6</subscript></entry>
+	      <entry>r<subscript>5</subscript></entry>
+	      <entry>r<subscript>4</subscript></entry>
+	      <entry>r<subscript>3</subscript></entry>
+	      <entry>r<subscript>2</subscript></entry>
+	      <entry>r<subscript>1</subscript></entry>
+	      <entry>r<subscript>0</subscript></entry>
+	      <entry>g<subscript>7</subscript></entry>
+	      <entry>g<subscript>6</subscript></entry>
+	      <entry>g<subscript>5</subscript></entry>
+	      <entry>g<subscript>4</subscript></entry>
+	      <entry>g<subscript>3</subscript></entry>
+	      <entry>g<subscript>2</subscript></entry>
+	      <entry>g<subscript>1</subscript></entry>
+	      <entry>g<subscript>0</subscript></entry>
+	      <entry>b<subscript>7</subscript></entry>
+	      <entry>b<subscript>6</subscript></entry>
+	      <entry>b<subscript>5</subscript></entry>
+	      <entry>b<subscript>4</subscript></entry>
+	      <entry>b<subscript>3</subscript></entry>
+	      <entry>b<subscript>2</subscript></entry>
+	      <entry>b<subscript>1</subscript></entry>
+	      <entry>b<subscript>0</subscript></entry>
+	    </row>
 	  </tbody>
 	</tgroup>
       </table>

include/uapi/linux/media-bus-format.h

@@ -33,7 +33,7 @@
 
 #define MEDIA_BUS_FMT_FIXED			0x0001
 
-/* RGB - next is	0x100e */
+/* RGB - next is	0x1010 */
 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE	0x1001
 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE	0x1002
 #define MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE	0x1003
@@ -43,10 +43,12 @@
 #define MEDIA_BUS_FMT_RGB565_2X8_BE		0x1007
 #define MEDIA_BUS_FMT_RGB565_2X8_LE		0x1008
 #define MEDIA_BUS_FMT_RGB666_1X18		0x1009
+#define MEDIA_BUS_FMT_RBG888_1X24		0x100e
 #define MEDIA_BUS_FMT_RGB888_1X24		0x100a
 #define MEDIA_BUS_FMT_RGB888_2X12_BE		0x100b
 #define MEDIA_BUS_FMT_RGB888_2X12_LE		0x100c
 #define MEDIA_BUS_FMT_ARGB8888_1X32		0x100d
+#define MEDIA_BUS_FMT_RGB888_1X32_PADHI		0x100f
 
 /* YUV (including grey) - next is	0x2024 */
 #define MEDIA_BUS_FMT_Y8_1X8			0x2001