1 files changed, 134 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h
new file mode 100644
index 000000000000..3d33bcda7059
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h
@@ -0,0 +1,134 @@
+/*
+ * link_encoder.h
+ *
+ *  Created on: Oct 6, 2015
+ *      Author: yonsun
+ */
+
+#ifndef LINK_ENCODER_H_
+#define LINK_ENCODER_H_
+
+#include "grph_object_defs.h"
+#include "signal_types.h"
+#include "dc_types.h"
+
+struct dc_context;
+struct encoder_set_dp_phy_pattern_param;
+struct link_mst_stream_allocation_table;
+struct dc_link_settings;
+struct link_training_settings;
+struct pipe_ctx;
+
+struct encoder_init_data {
+	enum channel_id channel;
+	struct graphics_object_id connector;
+	enum hpd_source_id hpd_source;
+	/* TODO: in DAL2, here was pointer to EventManagerInterface */
+	struct graphics_object_id encoder;
+	struct dc_context *ctx;
+	enum transmitter transmitter;
+};
+
+struct encoder_feature_support {
+	union {
+		struct {
+			uint32_t IS_HBR2_CAPABLE:1;
+			uint32_t IS_HBR3_CAPABLE:1;
+			uint32_t IS_TPS3_CAPABLE:1;
+			uint32_t IS_TPS4_CAPABLE:1;
+			uint32_t IS_YCBCR_CAPABLE:1;
+			uint32_t HDMI_6GB_EN:1;
+		} bits;
+		uint32_t raw;
+	} flags;
+
+	enum dc_color_depth max_hdmi_deep_color;
+	unsigned int max_hdmi_pixel_clock;
+	bool ycbcr420_supported;
+};
+
+union dpcd_psr_configuration {
+	struct {
+		unsigned char ENABLE                    : 1;
+		unsigned char TRANSMITTER_ACTIVE_IN_PSR : 1;
+		unsigned char CRC_VERIFICATION          : 1;
+		unsigned char FRAME_CAPTURE_INDICATION  : 1;
+		/* For eDP 1.4, PSR v2*/
+		unsigned char LINE_CAPTURE_INDICATION   : 1;
+		/* For eDP 1.4, PSR v2*/
+		unsigned char IRQ_HPD_WITH_CRC_ERROR    : 1;
+		unsigned char RESERVED                  : 2;
+	} bits;
+	unsigned char raw;
+};
+
+union psr_error_status {
+	struct {
+		unsigned char LINK_CRC_ERROR        :1;
+		unsigned char RFB_STORAGE_ERROR     :1;
+		unsigned char RESERVED              :6;
+	} bits;
+	unsigned char raw;
+};
+
+union psr_sink_psr_status {
+	struct {
+	unsigned char SINK_SELF_REFRESH_STATUS  :3;
+	unsigned char RESERVED                  :5;
+	} bits;
+	unsigned char raw;
+};
+
+struct link_encoder {
+	const struct link_encoder_funcs *funcs;
+	int32_t aux_channel_offset;
+	struct dc_context *ctx;
+	struct graphics_object_id id;
+	struct graphics_object_id connector;
+	uint32_t output_signals;
+	enum engine_id preferred_engine;
+	struct encoder_feature_support features;
+	enum transmitter transmitter;
+	enum hpd_source_id hpd_source;
+};
+
+struct link_encoder_funcs {
+	bool (*validate_output_with_stream)(
+		struct link_encoder *enc, const struct dc_stream_state *stream);
+	void (*hw_init)(struct link_encoder *enc);
+	void (*setup)(struct link_encoder *enc,
+		enum signal_type signal);
+	void (*enable_tmds_output)(struct link_encoder *enc,
+		enum clock_source_id clock_source,
+		enum dc_color_depth color_depth,
+		bool hdmi,
+		bool dual_link,
+		uint32_t pixel_clock);
+	void (*enable_dp_output)(struct link_encoder *enc,
+		const struct dc_link_settings *link_settings,
+		enum clock_source_id clock_source);
+	void (*enable_dp_mst_output)(struct link_encoder *enc,
+		const struct dc_link_settings *link_settings,
+		enum clock_source_id clock_source);
+	void (*disable_output)(struct link_encoder *link_enc,
+		enum signal_type signal, struct dc_link *link);
+	void (*dp_set_lane_settings)(struct link_encoder *enc,
+		const struct link_training_settings *link_settings);
+	void (*dp_set_phy_pattern)(struct link_encoder *enc,
+		const struct encoder_set_dp_phy_pattern_param *para);
+	void (*update_mst_stream_allocation_table)(
+		struct link_encoder *enc,
+		const struct link_mst_stream_allocation_table *table);
+	void (*psr_program_dp_dphy_fast_training)(struct link_encoder *enc,
+			bool exit_link_training_required);
+	void (*psr_program_secondary_packet)(struct link_encoder *enc,
+				unsigned int sdp_transmit_line_num_deadline);
+	void (*connect_dig_be_to_fe)(struct link_encoder *enc,
+		enum engine_id engine,
+		bool connect);
+	void (*enable_hpd)(struct link_encoder *enc);
+	void (*disable_hpd)(struct link_encoder *enc);
+	void (*destroy)(struct link_encoder **enc);
+};
+
+#endif /* LINK_ENCODER_H_ */