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path: root/drivers/gpu/drm/udl/udl_proto.h
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Diffstat (limited to 'drivers/gpu/drm/udl/udl_proto.h')
-rw-r--r--drivers/gpu/drm/udl/udl_proto.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_proto.h b/drivers/gpu/drm/udl/udl_proto.h
index 3f5b8e832b99..5a6c960bd10d 100644
--- a/drivers/gpu/drm/udl/udl_proto.h
+++ b/drivers/gpu/drm/udl/udl_proto.h
@@ -5,6 +5,21 @@
#define UDL_COLORDEPTH_16BPP 0
+/* Display-mode settings */
+#define UDL_REG_XDISPLAYSTART 0x01
+#define UDL_REG_XDISPLAYEND 0x03
+#define UDL_REG_YDISPLAYSTART 0x05
+#define UDL_REG_YDISPLAYEND 0x07
+#define UDL_REG_XENDCOUNT 0x09
+#define UDL_REG_HSYNCSTART 0x0b
+#define UDL_REG_HSYNCEND 0x0d
+#define UDL_REG_HPIXELS 0x0f
+#define UDL_REG_YENDCOUNT 0x11
+#define UDL_REG_VSYNCSTART 0x13
+#define UDL_REG_VSYNCEND 0x15
+#define UDL_REG_VPIXELS 0x17
+#define UDL_REG_PIXELCLOCK5KHZ 0x1b
+
/* On/Off for driving the DisplayLink framebuffer to the display */
#define UDL_REG_BLANKMODE 0x1f
#define UDL_BLANKMODE_ON 0x00 /* hsync and vsync on, visible */