xref: /linux/drivers/gpu/drm/amd/display/dc/dio/dcn32/dcn32_dio_link_encoder.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
1 /*
2  * Copyright 2021 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 #ifndef __DC_LINK_ENCODER__DCN32_H__
27 #define __DC_LINK_ENCODER__DCN32_H__
28 
29 #include "dcn30/dcn30_dio_link_encoder.h"
30 
31 void dcn32_link_encoder_construct(
32 	struct dcn20_link_encoder *enc20,
33 	const struct encoder_init_data *init_data,
34 	const struct encoder_feature_support *enc_features,
35 	const struct dcn10_link_enc_registers *link_regs,
36 	const struct dcn10_link_enc_aux_registers *aux_regs,
37 	const struct dcn10_link_enc_hpd_registers *hpd_regs,
38 	const struct dcn10_link_enc_shift *link_shift,
39 	const struct dcn10_link_enc_mask *link_mask);
40 
41 void enc32_hw_init(struct link_encoder *enc);
42 
43 void dcn32_link_encoder_enable_dp_output(
44 	struct link_encoder *enc,
45 	const struct dc_link_settings *link_settings,
46 	enum clock_source_id clock_source);
47 
48 bool dcn32_link_encoder_is_in_alt_mode(struct link_encoder *enc);
49 
50 void dcn32_link_encoder_get_max_link_cap(struct link_encoder *enc,
51 	struct dc_link_settings *link_settings);
52 
53 #endif /* __DC_LINK_ENCODER__DCN32_H__ */
54