Some work to support output on the digital interface like laptop panels.

Need to clean this up, though. It even sort of worked on tic's IBM X40
on BeGeistert - if you weren't irritated by the fact some parts of the
screen were just black, that is :-)


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17565 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/graphics/intel_extreme/intel_extreme.h

@@ -180,7 +180,7 @@ struct intel_free_graphics_memory {
 #define INTEL_RING_BUFFER_HEAD_MASK		0x001ffffc
 #define INTEL_RING_BUFFER_ENABLED		1
 
-// display
+// display A
 #define INTEL_DISPLAY_HTOTAL			0x60000
 #define INTEL_DISPLAY_HBLANK			0x60004
 #define INTEL_DISPLAY_HSYNC				0x60008
@@ -193,6 +193,7 @@ struct intel_free_graphics_memory {
 #define INTEL_DISPLAY_BASE				0x70184
 #define INTEL_DISPLAY_BYTES_PER_ROW		0x70188
 #define DISPLAY_CONTROL_ENABLED			(1UL << 31)
+#define DISPLAY_CONTROL_GAMMA			(1UL << 30)
 #define DISPLAY_CONTROL_COLOR_MASK		(0x0fUL << 26)
 #define DISPLAY_CONTROL_CMAP8			(2UL << 26)
 #define DISPLAY_CONTROL_RGB15			(4UL << 26)
@@ -240,6 +241,16 @@ struct intel_free_graphics_memory {
 #define DISPLAY_MONITOR_POSITIVE_HSYNC	(1UL << 3)
 #define DISPLAY_MONITOR_POSITIVE_VSYNC	(2UL << 3)
 
+// display B
+#define INTEL_DISPLAY_B_DIGITAL_PORT	0x61000
+#define INTEL_DISPLAY_B_IMAGE_SIZE		0x6101c
+
+#define INTEL_DISPLAY_B_PIPE_CONTROL	0x71008
+
+#define INTEL_DISPLAY_B_CONTROL			0x71180
+#define INTEL_DISPLAY_B_BASE			0x71184
+#define INTEL_DISPLAY_B_BYTES_PER_ROW	0x71188
+
 // cursor
 #define INTEL_CURSOR_CONTROL			0x70080
 #define INTEL_CURSOR_BASE				0x70084