From 64bfca56b44496d50ca8bee2c8bc5979c1c3e86b Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Sat, 16 Nov 2013 17:41:03 +0100
Subject: [PATCH] videomixer: add more video modes

---
 software/videomixer/processor.c | 98 ++++++++++++++++++++++++++++++++-
 software/videomixer/processor.h |  2 +-
 2 files changed, 96 insertions(+), 4 deletions(-)

diff --git a/software/videomixer/processor.c b/software/videomixer/processor.c
index 972d22fe..12969bcf 100644
--- a/software/videomixer/processor.c
+++ b/software/videomixer/processor.c
@@ -9,6 +9,7 @@
 #include "edid.h"
 #include "processor.h"
 
+/* reference: http://martin.hinner.info/vga/timing.html */
 static const struct video_timing video_modes[PROCESSOR_MODE_COUNT] = {
 	{
 		.pixel_clock = 3150,
@@ -25,21 +26,81 @@ static const struct video_timing video_modes[PROCESSOR_MODE_COUNT] = {
 
 		.established_timing = 0x0800
 	},
+	{
+		.pixel_clock = 3150,
+
+		.h_active = 640,
+		.h_blanking = 200,
+		.h_sync_offset = 16,
+		.h_sync_width = 64,
+
+		.v_active = 480,
+		.v_blanking = 20,
+		.v_sync_offset = 1,
+		.v_sync_width = 3,
+
+		.established_timing = 0x0400
+	},
+	{
+		.pixel_clock = 3600,
+
+		.h_active = 800,
+		.h_blanking = 224,
+		.h_sync_offset = 24,
+		.h_sync_width = 72,
+
+		.v_active = 600,
+		.v_blanking = 25,
+		.v_sync_offset = 1,
+		.v_sync_width = 2,
+
+		.established_timing = 0x0200
+	},
 	{
 		.pixel_clock = 4000,
 
 		.h_active = 800,
 		.h_blanking = 256,
-		.h_sync_offset = 32,
+		.h_sync_offset = 40,
 		.h_sync_width = 128,
 
 		.v_active = 600,
 		.v_blanking = 28,
 		.v_sync_offset = 1,
-		.v_sync_width = 6,
+		.v_sync_width = 4,
 
 		.established_timing = 0x0100
 	},
+	{
+		.pixel_clock = 5000,
+
+		.h_active = 800,
+		.h_blanking = 240,
+		.h_sync_offset = 56,
+		.h_sync_width = 120,
+
+		.v_active = 600,
+		.v_blanking = 66,
+		.v_sync_offset = 37,
+		.v_sync_width = 6,
+
+		.established_timing = 0x0080
+	},
+	{
+		.pixel_clock = 4950,
+
+		.h_active = 800,
+		.h_blanking = 256,
+		.h_sync_offset = 16,
+		.h_sync_width = 80,
+
+		.v_active = 600,
+		.v_blanking = 25,
+		.v_sync_offset = 1,
+		.v_sync_width = 3,
+
+		.established_timing = 0x0040
+	},
 	{
 		.pixel_clock = 6500,
 
@@ -54,7 +115,38 @@ static const struct video_timing video_modes[PROCESSOR_MODE_COUNT] = {
 		.v_sync_width = 6,
 
 		.established_timing = 0x0008
-	}, {
+	},
+	{
+		.pixel_clock = 7500,
+
+		.h_active = 1024,
+		.h_blanking = 304,
+		.h_sync_offset = 24,
+		.h_sync_width = 136,
+
+		.v_active = 768,
+		.v_blanking = 38,
+		.v_sync_offset = 3,
+		.v_sync_width = 6,
+
+		.established_timing = 0x0004
+	},
+	{
+		.pixel_clock = 7880,
+
+		.h_active = 1024,
+		.h_blanking = 288,
+		.h_sync_offset = 16,
+		.h_sync_width = 96,
+
+		.v_active = 768,
+		.v_blanking = 32,
+		.v_sync_offset = 1,
+		.v_sync_width = 3,
+
+		.established_timing = 0x0002
+	},
+	{
 		.pixel_clock = 7425,
 
 		.h_active = 1280,
diff --git a/software/videomixer/processor.h b/software/videomixer/processor.h
index 75fa5205..cd121b19 100644
--- a/software/videomixer/processor.h
+++ b/software/videomixer/processor.h
@@ -1,7 +1,7 @@
 #ifndef __PROCESSOR_H
 #define __PROCESSOR_H
 
-#define PROCESSOR_MODE_COUNT 4
+#define PROCESSOR_MODE_COUNT 10
 #define PROCESSOR_MODE_DESCLEN 32
 
 void processor_list_modes(char *mode_descriptors);
-- 
2.30.2