This patch adds three new RGB media bus formats that describe 18-bit or 24-bit samples transferred over an LVDS bus with three or four differential data pairs, serialized into 7 time slots, using standard SPWG/PSWG/VESA or JEIDA data ordering.
Signed-off-by: Philipp Zabel p.zabel@pengutronix.de Acked-by: Sakari Ailus sakari.ailus@linux.intel.com --- Documentation/DocBook/media/v4l/subdev-formats.xml | 255 +++++++++++++++++++++ include/uapi/linux/media-bus-format.h | 5 +- 2 files changed, 259 insertions(+), 1 deletion(-)
diff --git a/Documentation/DocBook/media/v4l/subdev-formats.xml b/Documentation/DocBook/media/v4l/subdev-formats.xml index 29fe601..18449b3 100644 --- a/Documentation/DocBook/media/v4l/subdev-formats.xml +++ b/Documentation/DocBook/media/v4l/subdev-formats.xml @@ -622,6 +622,261 @@ see <xref linkend="colorspaces" />.</entry> </tbody> </tgroup> </table> + + <para>On LVDS buses, usually each sample is transferred serialized in + seven time slots per pixel clock, on three (18-bit) or four (24-bit) + differential data pairs at the same time. The remaining bits are used for + control signals as defined by SPWG/PSWG/VESA or JEIDA standards. + The 24-bit RGB format serialized in seven time slots on four lanes using + JEIDA defined bit mapping will be named + <constant>MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA</constant>, for example. + </para> + + <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-rgb-lvds"> + <title>LVDS RGB formats</title> + <tgroup cols="8"> + <colspec colname="id" align="left" /> + <colspec colname="code" align="center" /> + <colspec colname="slot" align="center" /> + <colspec colname="lane" /> + <colspec colnum="5" colname="l03" align="center" /> + <colspec colnum="6" colname="l02" align="center" /> + <colspec colnum="7" colname="l01" align="center" /> + <colspec colnum="8" colname="l00" align="center" /> + <spanspec namest="l03" nameend="l00" spanname="l0" /> + <thead> + <row> + <entry>Identifier</entry> + <entry>Code</entry> + <entry></entry> + <entry></entry> + <entry spanname="l0">Data organization</entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>Timeslot</entry> + <entry>Lane</entry> + <entry>3</entry> + <entry>2</entry> + <entry>1</entry> + <entry>0</entry> + </row> + </thead> + <tbody valign="top"> + <row id="MEDIA-BUS-FMT-RGB666-1X7X3-SPWG"> + <entry>MEDIA_BUS_FMT_RGB666_1X7X3_SPWG</entry> + <entry>0x1010</entry> + <entry>0</entry> + <entry></entry> + <entry>-</entry> + <entry>d</entry> + <entry>b<subscript>1</subscript></entry> + <entry>g<subscript>0</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>1</entry> + <entry></entry> + <entry>-</entry> + <entry>d</entry> + <entry>b<subscript>0</subscript></entry> + <entry>r<subscript>5</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>2</entry> + <entry></entry> + <entry>-</entry> + <entry>d</entry> + <entry>g<subscript>5</subscript></entry> + <entry>r<subscript>4</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>3</entry> + <entry></entry> + <entry>-</entry> + <entry>b<subscript>5</subscript></entry> + <entry>g<subscript>4</subscript></entry> + <entry>r<subscript>3</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>4</entry> + <entry></entry> + <entry>-</entry> + <entry>b<subscript>4</subscript></entry> + <entry>g<subscript>3</subscript></entry> + <entry>r<subscript>2</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>5</entry> + <entry></entry> + <entry>-</entry> + <entry>b<subscript>3</subscript></entry> + <entry>g<subscript>2</subscript></entry> + <entry>r<subscript>1</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>6</entry> + <entry></entry> + <entry>-</entry> + <entry>b<subscript>2</subscript></entry> + <entry>g<subscript>1</subscript></entry> + <entry>r<subscript>0</subscript></entry> + </row> + <row id="MEDIA-BUS-FMT-RGB888-1X7X4-SPWG"> + <entry>MEDIA_BUS_FMT_RGB888_1X7X4_SPWG</entry> + <entry>0x1011</entry> + <entry>0</entry> + <entry></entry> + <entry>d</entry> + <entry>d</entry> + <entry>b<subscript>1</subscript></entry> + <entry>g<subscript>0</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>1</entry> + <entry></entry> + <entry>b<subscript>7</subscript></entry> + <entry>d</entry> + <entry>b<subscript>0</subscript></entry> + <entry>r<subscript>5</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>2</entry> + <entry></entry> + <entry>b<subscript>6</subscript></entry> + <entry>d</entry> + <entry>g<subscript>5</subscript></entry> + <entry>r<subscript>4</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>3</entry> + <entry></entry> + <entry>g<subscript>7</subscript></entry> + <entry>b<subscript>5</subscript></entry> + <entry>g<subscript>4</subscript></entry> + <entry>r<subscript>3</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>4</entry> + <entry></entry> + <entry>g<subscript>6</subscript></entry> + <entry>b<subscript>4</subscript></entry> + <entry>g<subscript>3</subscript></entry> + <entry>r<subscript>2</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>5</entry> + <entry></entry> + <entry>r<subscript>7</subscript></entry> + <entry>b<subscript>3</subscript></entry> + <entry>g<subscript>2</subscript></entry> + <entry>r<subscript>1</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>6</entry> + <entry></entry> + <entry>r<subscript>6</subscript></entry> + <entry>b<subscript>2</subscript></entry> + <entry>g<subscript>1</subscript></entry> + <entry>r<subscript>0</subscript></entry> + </row> + <row id="MEDIA-BUS-FMT-RGB888-1X7X4-JEIDA"> + <entry>MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA</entry> + <entry>0x1012</entry> + <entry>0</entry> + <entry></entry> + <entry>d</entry> + <entry>d</entry> + <entry>b<subscript>3</subscript></entry> + <entry>g<subscript>2</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>1</entry> + <entry></entry> + <entry>b<subscript>1</subscript></entry> + <entry>d</entry> + <entry>b<subscript>2</subscript></entry> + <entry>r<subscript>7</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>2</entry> + <entry></entry> + <entry>b<subscript>0</subscript></entry> + <entry>d</entry> + <entry>g<subscript>7</subscript></entry> + <entry>r<subscript>6</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>3</entry> + <entry></entry> + <entry>g<subscript>1</subscript></entry> + <entry>b<subscript>7</subscript></entry> + <entry>g<subscript>6</subscript></entry> + <entry>r<subscript>5</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>4</entry> + <entry></entry> + <entry>g<subscript>0</subscript></entry> + <entry>b<subscript>6</subscript></entry> + <entry>g<subscript>5</subscript></entry> + <entry>r<subscript>4</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>5</entry> + <entry></entry> + <entry>r<subscript>1</subscript></entry> + <entry>b<subscript>5</subscript></entry> + <entry>g<subscript>4</subscript></entry> + <entry>r<subscript>3</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>6</entry> + <entry></entry> + <entry>r<subscript>0</subscript></entry> + <entry>b<subscript>4</subscript></entry> + <entry>g<subscript>3</subscript></entry> + <entry>r<subscript>2</subscript></entry> + </row> + </tbody> + </tgroup> + </table> </section>
<section> diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h index 37091c6..3fb9cbb 100644 --- a/include/uapi/linux/media-bus-format.h +++ b/include/uapi/linux/media-bus-format.h @@ -33,7 +33,7 @@
#define MEDIA_BUS_FMT_FIXED 0x0001
-/* RGB - next is 0x1010 */ +/* RGB - next is 0x1013 */ #define MEDIA_BUS_FMT_RGB444_1X12 0x100e #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE 0x1001 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE 0x1002 @@ -45,9 +45,12 @@ #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_RGB666_1X7X3_SPWG 0x1010 #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_RGB888_1X7X4_SPWG 0x1011 +#define MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA 0x1012 #define MEDIA_BUS_FMT_ARGB8888_1X32 0x100d
/* YUV (including grey) - next is 0x2024 */