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
26/**
27 * DOC: overview
28 *
29 * Display Input Output (DIO), is the display input and output unit in DCN. It
30 * includes output encoders to support different display output, like
31 * DisplayPort, HDMI, DVI interface, and others. It also includes the control
32 * and status channels for these interfaces.
33 */
34
35#ifndef __LINK_HWSS_DIO_H__
36#define __LINK_HWSS_DIO_H__
37
38#include "link_hwss.h"
39#include "link.h"
40
41const struct link_hwss *get_dio_link_hwss(void);
42bool can_use_dio_link_hwss(const struct dc_link *link,
43		const struct link_resource *link_res);
44void set_dio_throttled_vcp_size(struct pipe_ctx *pipe_ctx,
45		struct fixed31_32 throttled_vcp_size);
46void setup_dio_stream_encoder(struct pipe_ctx *pipe_ctx);
47void reset_dio_stream_encoder(struct pipe_ctx *pipe_ctx);
48void setup_dio_stream_attribute(struct pipe_ctx *pipe_ctx);
49void enable_dio_dp_link_output(struct dc_link *link,
50		const struct link_resource *link_res,
51		enum signal_type signal,
52		enum clock_source_id clock_source,
53		const struct dc_link_settings *link_settings);
54void disable_dio_link_output(struct dc_link *link,
55		const struct link_resource *link_res,
56		enum signal_type signal);
57void set_dio_dp_link_test_pattern(struct dc_link *link,
58		const struct link_resource *link_res,
59		struct encoder_set_dp_phy_pattern_param *tp_params);
60void set_dio_dp_lane_settings(struct dc_link *link,
61		const struct link_resource *link_res,
62		const struct dc_link_settings *link_settings,
63		const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]);
64void setup_dio_audio_output(struct pipe_ctx *pipe_ctx,
65		struct audio_output *audio_output, uint32_t audio_inst);
66void enable_dio_audio_packet(struct pipe_ctx *pipe_ctx);
67void disable_dio_audio_packet(struct pipe_ctx *pipe_ctx);
68void update_dio_stream_allocation_table(struct dc_link *link,
69		const struct link_resource *link_res,
70		const struct link_mst_stream_allocation_table *table);
71
72#endif /* __LINK_HWSS_DIO_H__ */