1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
new file mode 100644
index 000000000000..f2b8c9a376d5
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2015 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_LINK_HWSS_H__
+#define __DC_LINK_HWSS_H__
+
+#include "inc/core_status.h"
+
+enum dc_status core_link_read_dpcd(
+	struct dc_link *link,
+	uint32_t address,
+	uint8_t *data,
+	uint32_t size);
+
+enum dc_status core_link_write_dpcd(
+	struct dc_link *link,
+	uint32_t address,
+	const uint8_t *data,
+	uint32_t size);
+
+struct gpio *get_hpd_gpio(struct dc_bios *dcb,
+		struct graphics_object_id link_id,
+		struct gpio_service *gpio_service);
+
+void dp_enable_link_phy(
+	struct dc_link *link,
+	enum signal_type signal,
+	enum clock_source_id clock_source,
+	const struct dc_link_settings *link_settings);
+
+void dp_receiver_power_ctrl(struct dc_link *link, bool on);
+
+void dp_disable_link_phy(struct dc_link *link, enum signal_type signal);
+
+void dp_disable_link_phy_mst(struct dc_link *link, enum signal_type signal);
+
+bool dp_set_hw_training_pattern(
+	struct dc_link *link,
+	enum hw_dp_training_pattern pattern);
+
+void dp_set_hw_lane_settings(
+	struct dc_link *link,
+	const struct link_training_settings *link_settings);
+
+void dp_set_hw_test_pattern(
+	struct dc_link *link,
+	enum dp_test_pattern test_pattern,
+	uint8_t *custom_pattern,
+	uint32_t custom_pattern_size);
+
+enum dp_panel_mode dp_get_panel_mode(struct dc_link *link);
+
+void dp_retrain_link_dp_test(struct dc_link *link,
+		struct dc_link_settings *link_setting,
+		bool skip_video_pattern);
+
+#endif /* __DC_LINK_HWSS_H__ */