* add video_electronics.c

(.c to keep compatibility with older C accelerants)
* use functions for decoding video_electronics
* thanks for the guidance Axel!


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42668 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/graphics/common/video_electronics.h

@@ -27,28 +27,6 @@
 #define VIDEO_CONNECTOR_TV			0x0E
 
 
-const struct video_connectors {
-	uint32      type;
-	const char* name;
-} kVideoConnector[] = {
-	{VIDEO_CONNECTOR_UNKNOWN, "Unknown"},
-	{VIDEO_CONNECTOR_VGA, "VGA" },
-	{VIDEO_CONNECTOR_DVII, "DVI-I"},
-	{VIDEO_CONNECTOR_DVID, "DVI-D"},
-	{VIDEO_CONNECTOR_DVIA, "DVI-A"},
-	{VIDEO_CONNECTOR_COMPOSITE, "Composite"},
-	{VIDEO_CONNECTOR_SVIDEO, "S-Video"},
-	{VIDEO_CONNECTOR_LVDS, "LVDS"},
-	{VIDEO_CONNECTOR_COMPONENT, "Component"},
-	{VIDEO_CONNECTOR_9DIN, "DIN"},
-	{VIDEO_CONNECTOR_DP, "DisplayPort"},
-	{VIDEO_CONNECTOR_EDP, "Embedded DisplayPort"},
-	{VIDEO_CONNECTOR_HDMIA, "HDMI A"},
-	{VIDEO_CONNECTOR_HDMIB, "HDMI B"},
-	{VIDEO_CONNECTOR_TV, "TV"},
-};
-
-
 // Video encoder types
 #define VIDEO_ENCODER_NONE		0x00
 #define VIDEO_ENCODER_DAC		0x01
@@ -57,16 +35,20 @@ const struct video_connectors {
 #define VIDEO_ENCODER_TVDAC		0x04
 
 
-const struct video_encoders {
-	uint32      type;
-	const char* name;
-} kVideoEncoder[] = {
-	{VIDEO_ENCODER_NONE, "None"},
-	{VIDEO_ENCODER_DAC, "DAC"},
-	{VIDEO_ENCODER_TMDS, "TMDS"},
-	{VIDEO_ENCODER_LVDS, "LVDS"},
-	{VIDEO_ENCODER_TVDAC, "TV"},
-};
+// to ensure compatibility with C accelerants
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+// mostly for debugging detected monitors
+const char* decode_connector_name(uint32 connector);
+const char* decode_encoder_name(uint32 encoder);
+
+
+#ifdef __cplusplus
+}
+#endif
 
 
 #endif /* _VIDEO_ELECTRONICS_H */

src/add-ons/accelerants/common/Jamfile

@@ -9,6 +9,7 @@ UsePrivateHeaders [ FDirName graphics common ] ;
 StaticLibrary libaccelerantscommon.a :
 	compute_display_timing.cpp
 	create_display_modes.cpp
+	video_electronics.c
 	ddc.c
 	decode_edid.c
 	dump_edid.c

src/add-ons/accelerants/common/video_electronics.c

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2011, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *      Alexander von Gluck, [email protected]
+ */
+
+
+#include <KernelExport.h>
+#include <stdio.h>
+
+#include "video_electronics.h"
+
+
+const char*
+decode_connector_name(uint32 connector)
+{
+	switch (connector) {
+		case VIDEO_CONNECTOR_VGA:
+			return "VGA";
+		case VIDEO_CONNECTOR_DVII:
+			return "DVI-I (Digital and Analog)";
+		case VIDEO_CONNECTOR_DVID:
+			return "DVI-D (Digital Only)";
+		case VIDEO_CONNECTOR_DVIA:
+			return "DVI-A (Analog Only)";
+		case VIDEO_CONNECTOR_COMPOSITE:
+			return "Composite";
+		case VIDEO_CONNECTOR_SVIDEO:
+			return "S-Video";
+		case VIDEO_CONNECTOR_LVDS:
+			return "LVDS Panel";
+		case VIDEO_CONNECTOR_COMPONENT:
+			return "Component";
+		case VIDEO_CONNECTOR_9DIN:
+			return "9-Pin DIN";
+		case VIDEO_CONNECTOR_DP:
+			return "DisplayPort";
+		case VIDEO_CONNECTOR_EDP:
+			return "Embedded DisplayPort";
+		case VIDEO_CONNECTOR_HDMIA:
+			return "HDMI A";
+		case VIDEO_CONNECTOR_HDMIB:
+			return "HDMI B";
+		case VIDEO_CONNECTOR_TV:
+			return "TV";
+		case VIDEO_CONNECTOR_UNKNOWN:
+			return "Unknown";
+	}
+	return "Connector Undefined";
+}
+
+
+const char*
+decode_encoder_name(uint32 encoder)
+{
+	switch (encoder) {
+		case VIDEO_ENCODER_NONE:
+			return "None";
+		case VIDEO_ENCODER_DAC:
+			return "DAC";
+		case VIDEO_ENCODER_TMDS:
+			return "TMDS";
+		case VIDEO_ENCODER_LVDS:
+			return "LVDS";
+		case VIDEO_ENCODER_TVDAC:
+			return "TV DAC";
+	}
+	return "Encoder Undefined";
+}