1/*
2 * Copyright 2022 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: AMD
23 *
24 */
25#ifndef __LINK_HWSS_HPO_DP_H__
26#define __LINK_HWSS_HPO_DP_H__
27
28#include "link_hwss.h"
29#include "link.h"
30
31void set_hpo_dp_throttled_vcp_size(struct pipe_ctx *pipe_ctx,
32 struct fixed31_32 throttled_vcp_size);
33void set_hpo_dp_hblank_min_symbol_width(struct pipe_ctx *pipe_ctx,
34 const struct dc_link_settings *link_settings,
35 struct fixed31_32 throttled_vcp_size);
36void set_hpo_dp_hblank_min_symbol_width(struct pipe_ctx *pipe_ctx,
37 const struct dc_link_settings *link_settings,
38 struct fixed31_32 throttled_vcp_size);
39void setup_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx);
40void reset_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx);
41void setup_hpo_dp_stream_attribute(struct pipe_ctx *pipe_ctx);
42void enable_hpo_dp_link_output(struct dc_link *link,
43 const struct link_resource *link_res,
44 enum signal_type signal,
45 enum clock_source_id clock_source,
46 const struct dc_link_settings *link_settings);
47void disable_hpo_dp_link_output(struct dc_link *link,
48 const struct link_resource *link_res,
49 enum signal_type signal);
50void update_hpo_dp_stream_allocation_table(struct dc_link *link,
51 const struct link_resource *link_res,
52 const struct link_mst_stream_allocation_table *table);
53void setup_hpo_dp_audio_output(struct pipe_ctx *pipe_ctx,
54 struct audio_output *audio_output, uint32_t audio_inst);
55void enable_hpo_dp_audio_packet(struct pipe_ctx *pipe_ctx);
56void disable_hpo_dp_audio_packet(struct pipe_ctx *pipe_ctx);
57const struct link_hwss *get_hpo_dp_link_hwss(void);
58bool can_use_hpo_dp_link_hwss(const struct dc_link *link,
59 const struct link_resource *link_res);
60
61
62#endif /* __LINK_HWSS_HPO_DP_H__ */
63

source code of linux/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.h