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@xxxxxxxxxxxxxx>
---
Documentation/DocBook/media/v4l/subdev-formats.xml | 189 +++++++++++++++++++++
include/uapi/linux/media-bus-format.h | 5 +-
2 files changed, 193 insertions(+), 1 deletion(-)
diff --git a/Documentation/DocBook/media/v4l/subdev-formats.xml b/Documentation/DocBook/media/v4l/subdev-formats.xml
index 0d6f731..52d7f04 100644
--- a/Documentation/DocBook/media/v4l/subdev-formats.xml
+++ b/Documentation/DocBook/media/v4l/subdev-formats.xml
@@ -89,6 +89,11 @@
<constant>MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE</constant>.
</para>
+ <para>On LVDS buses, usually each sample is transferred in seven time slots
+ 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.</para>
+
<para>The following tables list existing packed RGB formats.</para>
<table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-rgb">
@@ -606,6 +611,190 @@
</tbody>
</tgroup>
</table>
+ <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-rgb-lvds">
+ <title>LVDS RGB formats</title>
+ <tgroup cols="11">
+ <colspec colname="id" align="left" />
+ <colspec colname="code" align="center" />
+ <colspec colname="pair" align="center" />
+ <colspec colname="slot" />
+ <colspec colnum="4" colname="s00" align="center" />
+ <colspec colnum="5" colname="s01" align="center" />
+ <colspec colnum="6" colname="s02" align="center" />
+ <colspec colnum="7" colname="s03" align="center" />
+ <colspec colnum="8" colname="s04" align="center" />
+ <colspec colnum="9" colname="s05" align="center" />
+ <colspec colnum="10" colname="s06" align="center" />
+ <spanspec namest="s00" nameend="s06" spanname="s0" />
+ <thead>
+ <row>
+ <entry>Identifier</entry>
+ <entry>Code</entry>
+ <entry></entry>
+ <entry></entry>
+ <entry spanname="s0">Data organization</entry>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>Pair</entry>
+ <entry>Slot</entry>
+ <entry>0</entry>
+ <entry>1</entry>
+ <entry>2</entry>
+ <entry>3</entry>
+ <entry>4</entry>
+ <entry>5</entry>
+ <entry>6</entry>
+ </row>
+ </thead>
+ <tbody valign="top">
+ <row id="MEDIA-BUS-FMT-RGB666-LVDS-SPWG">
+ <entry>MEDIA_BUS_FMT_RGB666_LVDS_SPWG</entry>
+ <entry>0x1010</entry>
+ <entry>data0</entry>
+ <entry></entry>
+ <entry>g<subscript>0</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>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>data1</entry>
+ <entry></entry>
+ <entry>b<subscript>1</subscript></entry>
+ <entry>b<subscript>0</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>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>data2</entry>
+ <entry></entry>
+ <entry>de</entry>
+ <entry>vs</entry>
+ <entry>hs</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>
+ </row>
+ <row id="MEDIA-BUS-FMT-RGB888-LVDS-SPWG">
+ <entry>MEDIA_BUS_FMT_RGB888_LVDS_SPWG</entry>
+ <entry>0x1011</entry>
+ <entry>data0</entry>
+ <entry></entry>
+ <entry>g<subscript>0</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>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>data1</entry>
+ <entry></entry>
+ <entry>b<subscript>1</subscript></entry>
+ <entry>b<subscript>0</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>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>data2</entry>
+ <entry></entry>
+ <entry>de</entry>
+ <entry>vs</entry>
+ <entry>hs</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>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>data3</entry>
+ <entry></entry>
+ <entry>ctl</entry>
+ <entry>b<subscript>7</subscript></entry>
+ <entry>b<subscript>6</subscript></entry>
+ <entry>g<subscript>7</subscript></entry>
+ <entry>g<subscript>6</subscript></entry>
+ <entry>r<subscript>7</subscript></entry>
+ <entry>r<subscript>6</subscript></entry>
+ </row>
+ <row id="MEDIA-BUS-FMT-RGB888-LVDS-JEIDA">
+ <entry>MEDIA_BUS_FMT_RGB888_LVDS_JEIDA</entry>
+ <entry>0x1012</entry>
+ <entry>data0</entry>
+ <entry></entry>
+ <entry>g<subscript>2</subscript></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>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>data1</entry>
+ <entry></entry>
+ <entry>b<subscript>3</subscript></entry>
+ <entry>b<subscript>2</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>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>data2</entry>
+ <entry></entry>
+ <entry>de</entry>
+ <entry>vs</entry>
+ <entry>hs</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>
+ </row>
+ <row>
+ <entry></entry>
+ <entry></entry>
+ <entry>data3</entry>
+ <entry></entry>
+ <entry>ctl</entry>
+ <entry>b<subscript>1</subscript></entry>
+ <entry>b<subscript>0</subscript></entry>
+ <entry>g<subscript>1</subscript></entry>
+ <entry>g<subscript>0</subscript></entry>
+ <entry>r<subscript>1</subscript></entry>
+ <entry>r<subscript>0</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..7f8b1e2 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_LVDS_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_LVDS_SPWG 0x1011
+#define MEDIA_BUS_FMT_RGB888_LVDS_JEIDA 0x1012
#define MEDIA_BUS_FMT_ARGB8888_1X32 0x100d
/* YUV (including grey) - next is 0x2024 */
--
2.1.3
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