drm/amd/display: Add DP 2.0 HPO Stream Encoder

HW Blocks:

        +--------+  +-----+  +------+
        |  OPTC  |  | HDA |  | HUBP |
        +--------+  +-----+  +------+
            |          |        |
            |          |        |
    HPO ====|==========|========|====
     |      |          v        |
     |      |       +-----+     |
     |      |       | APG |     |
     |      |       +-----+     |
     |      |          |        |
     v      v          v        v
           +----------------------+
           |  HPO Stream Encoder  |
           +----------------------+

[squash in warning fixes - Alex]

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 81 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
index 564ea6a727b0..40a138a9593f 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
@@ -242,4 +242,85 @@ struct stream_encoder_funcs {
 		struct stream_encoder *enc);
 };
 
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+struct hpo_dp_stream_encoder_state {
+	uint32_t stream_enc_enabled;
+	uint32_t vid_stream_enabled;
+	uint32_t otg_inst;
+	uint32_t pixel_encoding;
+	uint32_t component_depth;
+	uint32_t compressed_format;
+	uint32_t sdp_enabled;
+	uint32_t mapped_to_link_enc;
+};
+
+struct hpo_dp_stream_encoder {
+	const struct hpo_dp_stream_encoder_funcs *funcs;
+	struct dc_context *ctx;
+	struct dc_bios *bp;
+	uint32_t inst;
+	enum engine_id id;
+	struct vpg *vpg;
+	struct apg *apg;
+};
+
+struct hpo_dp_stream_encoder_funcs {
+	void (*enable_stream)(
+			struct hpo_dp_stream_encoder *enc);
+
+	void (*dp_unblank)(
+			struct hpo_dp_stream_encoder *enc,
+			uint32_t stream_source);
+
+	void (*dp_blank)(
+			struct hpo_dp_stream_encoder *enc);
+
+	void (*disable)(
+			struct hpo_dp_stream_encoder *enc);
+
+	void (*set_stream_attribute)(
+		struct hpo_dp_stream_encoder *enc,
+		struct dc_crtc_timing *crtc_timing,
+		enum dc_color_space output_color_space,
+		bool use_vsc_sdp_for_colorimetry,
+		bool compressed_format,
+		bool double_buffer_en);
+
+	void (*update_dp_info_packets)(
+		struct hpo_dp_stream_encoder *enc,
+		const struct encoder_info_frame *info_frame);
+
+	void (*stop_dp_info_packets)(
+		struct hpo_dp_stream_encoder *enc);
+
+	void (*dp_set_dsc_pps_info_packet)(
+			struct hpo_dp_stream_encoder *enc,
+			bool enable,
+			uint8_t *dsc_packed_pps);
+
+	void (*map_stream_to_link)(
+			struct hpo_dp_stream_encoder *enc,
+			uint32_t stream_enc_inst,
+			uint32_t link_enc_inst);
+
+	void (*audio_mute_control)(
+			struct hpo_dp_stream_encoder *enc, bool mute);
+
+	void (*dp_audio_setup)(
+			struct hpo_dp_stream_encoder *enc,
+			unsigned int az_inst,
+			struct audio_info *info);
+
+	void (*dp_audio_enable)(
+			struct hpo_dp_stream_encoder *enc);
+
+	void (*dp_audio_disable)(
+			struct hpo_dp_stream_encoder *enc);
+
+	void (*read_state)(
+			struct hpo_dp_stream_encoder *enc,
+			struct hpo_dp_stream_encoder_state *state);
+};
+#endif
+
 #endif /* STREAM_ENCODER_H_ */