1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/include/signal_types.h b/drivers/gpu/drm/amd/display/include/signal_types.h
new file mode 100644
index 000000000000..b5ebde642207
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/include/signal_types.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_SIGNAL_TYPES_H__
+#define __DC_SIGNAL_TYPES_H__
+
+enum signal_type {
+	SIGNAL_TYPE_NONE		= 0L,		/* no signal */
+	SIGNAL_TYPE_DVI_SINGLE_LINK	= (1 << 0),
+	SIGNAL_TYPE_DVI_DUAL_LINK	= (1 << 1),
+	SIGNAL_TYPE_HDMI_TYPE_A		= (1 << 2),
+	SIGNAL_TYPE_LVDS		= (1 << 3),
+	SIGNAL_TYPE_RGB			= (1 << 4),
+	SIGNAL_TYPE_DISPLAY_PORT	= (1 << 5),
+	SIGNAL_TYPE_DISPLAY_PORT_MST	= (1 << 6),
+	SIGNAL_TYPE_EDP			= (1 << 7),
+	SIGNAL_TYPE_VIRTUAL		= (1 << 9),	/* Virtual Display */
+};
+
+/* help functions for signal types manipulation */
+static inline bool dc_is_hdmi_signal(enum signal_type signal)
+{
+	return (signal == SIGNAL_TYPE_HDMI_TYPE_A);
+}
+
+static inline bool dc_is_dp_sst_signal(enum signal_type signal)
+{
+	return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
+		signal == SIGNAL_TYPE_EDP);
+}
+
+static inline bool dc_is_dp_signal(enum signal_type signal)
+{
+	return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
+		signal == SIGNAL_TYPE_EDP ||
+		signal == SIGNAL_TYPE_DISPLAY_PORT_MST);
+}
+
+static inline bool dc_is_embedded_signal(enum signal_type signal)
+{
+	return (signal == SIGNAL_TYPE_EDP || signal == SIGNAL_TYPE_LVDS);
+}
+
+static inline bool dc_is_dvi_signal(enum signal_type signal)
+{
+	switch (signal) {
+	case SIGNAL_TYPE_DVI_SINGLE_LINK:
+	case SIGNAL_TYPE_DVI_DUAL_LINK:
+		return true;
+	break;
+	default:
+		return false;
+	}
+}
+
+static inline bool dc_is_dvi_single_link_signal(enum signal_type signal)
+{
+	return (signal == SIGNAL_TYPE_DVI_SINGLE_LINK);
+}
+
+static inline bool dc_is_dual_link_signal(enum signal_type signal)
+{
+	return (signal == SIGNAL_TYPE_DVI_DUAL_LINK);
+}
+
+static inline bool dc_is_audio_capable_signal(enum signal_type signal)
+{
+	return (signal == SIGNAL_TYPE_DISPLAY_PORT ||
+		signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
+		dc_is_hdmi_signal(signal));
+}
+
+#endif