xref: /openbsd-src/sys/dev/pci/drm/amd/display/dc/inc/link_hwss.h (revision f005ef32267c16bdb134f0e9fa4477dbe07c263a)
1fb4d8502Sjsg /*
2fb4d8502Sjsg  * Copyright 2015 Advanced Micro Devices, Inc.
3fb4d8502Sjsg  *
4fb4d8502Sjsg  * Permission is hereby granted, free of charge, to any person obtaining a
5fb4d8502Sjsg  * copy of this software and associated documentation files (the "Software"),
6fb4d8502Sjsg  * to deal in the Software without restriction, including without limitation
7fb4d8502Sjsg  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8fb4d8502Sjsg  * and/or sell copies of the Software, and to permit persons to whom the
9fb4d8502Sjsg  * Software is furnished to do so, subject to the following conditions:
10fb4d8502Sjsg  *
11fb4d8502Sjsg  * The above copyright notice and this permission notice shall be included in
12fb4d8502Sjsg  * all copies or substantial portions of the Software.
13fb4d8502Sjsg  *
14fb4d8502Sjsg  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15fb4d8502Sjsg  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16fb4d8502Sjsg  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17fb4d8502Sjsg  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18fb4d8502Sjsg  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19fb4d8502Sjsg  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20fb4d8502Sjsg  * OTHER DEALINGS IN THE SOFTWARE.
21fb4d8502Sjsg  *
22fb4d8502Sjsg  * Authors: AMD
23fb4d8502Sjsg  *
24fb4d8502Sjsg  */
25fb4d8502Sjsg 
26fb4d8502Sjsg #ifndef __DC_LINK_HWSS_H__
27fb4d8502Sjsg #define __DC_LINK_HWSS_H__
28fb4d8502Sjsg 
291bb76ff1Sjsg /* include basic type headers only */
301bb76ff1Sjsg #include "dc_dp_types.h"
311bb76ff1Sjsg #include "signal_types.h"
321bb76ff1Sjsg #include "grph_object_id.h"
331bb76ff1Sjsg #include "fixed31_32.h"
34fb4d8502Sjsg 
351bb76ff1Sjsg /* forward declare dc core types */
361bb76ff1Sjsg struct dc_link;
371bb76ff1Sjsg struct link_resource;
381bb76ff1Sjsg struct pipe_ctx;
391bb76ff1Sjsg struct encoder_set_dp_phy_pattern_param;
401bb76ff1Sjsg struct link_mst_stream_allocation_table;
41*f005ef32Sjsg struct audio_output;
421bb76ff1Sjsg 
431bb76ff1Sjsg struct link_hwss_ext {
441bb76ff1Sjsg 	/* function pointers below may require to check for NULL if caller
451bb76ff1Sjsg 	 * considers missing implementation as expected in some cases or none
461bb76ff1Sjsg 	 * critical to be investigated immediately
471bb76ff1Sjsg 	 * *********************************************************************
481bb76ff1Sjsg 	 */
491bb76ff1Sjsg 	void (*set_hblank_min_symbol_width)(struct pipe_ctx *pipe_ctx,
501bb76ff1Sjsg 			const struct dc_link_settings *link_settings,
511bb76ff1Sjsg 			struct fixed31_32 throttled_vcp_size);
521bb76ff1Sjsg 	void (*set_throttled_vcp_size)(struct pipe_ctx *pipe_ctx,
531bb76ff1Sjsg 			struct fixed31_32 throttled_vcp_size);
541bb76ff1Sjsg 	void (*enable_dp_link_output)(struct dc_link *link,
551bb76ff1Sjsg 			const struct link_resource *link_res,
56fb4d8502Sjsg 			enum amd_signal_type signal,
57fb4d8502Sjsg 			enum clock_source_id clock_source,
58fb4d8502Sjsg 			const struct dc_link_settings *link_settings);
591bb76ff1Sjsg 	void (*set_dp_link_test_pattern)(struct dc_link *link,
601bb76ff1Sjsg 			const struct link_resource *link_res,
611bb76ff1Sjsg 			struct encoder_set_dp_phy_pattern_param *tp_params);
621bb76ff1Sjsg 	void (*set_dp_lane_settings)(struct dc_link *link,
631bb76ff1Sjsg 			const struct link_resource *link_res,
641bb76ff1Sjsg 			const struct dc_link_settings *link_settings,
651bb76ff1Sjsg 			const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]);
661bb76ff1Sjsg 	void (*update_stream_allocation_table)(struct dc_link *link,
671bb76ff1Sjsg 			const struct link_resource *link_res,
681bb76ff1Sjsg 			const struct link_mst_stream_allocation_table *table);
691bb76ff1Sjsg };
70fb4d8502Sjsg 
711bb76ff1Sjsg struct link_hwss {
721bb76ff1Sjsg 	struct link_hwss_ext ext;
73fb4d8502Sjsg 
741bb76ff1Sjsg 	/* function pointers below MUST be assigned to all types of link_hwss
751bb76ff1Sjsg 	 * *********************************************************************
761bb76ff1Sjsg 	 */
771bb76ff1Sjsg 	void (*setup_stream_encoder)(struct pipe_ctx *pipe_ctx);
781bb76ff1Sjsg 	void (*reset_stream_encoder)(struct pipe_ctx *pipe_ctx);
791bb76ff1Sjsg 	void (*setup_stream_attribute)(struct pipe_ctx *pipe_ctx);
801bb76ff1Sjsg 	void (*disable_link_output)(struct dc_link *link,
811bb76ff1Sjsg 			const struct link_resource *link_res,
821bb76ff1Sjsg 			enum amd_signal_type signal);
83*f005ef32Sjsg 	void (*setup_audio_output)(struct pipe_ctx *pipe_ctx,
84*f005ef32Sjsg 			struct audio_output *audio_output, uint32_t audio_inst);
85*f005ef32Sjsg 	void (*enable_audio_packet)(struct pipe_ctx *pipe_ctx);
86*f005ef32Sjsg 	void (*disable_audio_packet)(struct pipe_ctx *pipe_ctx);
871bb76ff1Sjsg };
88fb4d8502Sjsg #endif /* __DC_LINK_HWSS_H__ */
891bb76ff1Sjsg 
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