1 /*
2  * Copyright 2015 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_HWSS_H__
27 #define __DC_LINK_HWSS_H__
28 
29 /* include basic type headers only */
30 #include "dc_dp_types.h"
31 #include "signal_types.h"
32 #include "grph_object_id.h"
33 #include "fixed31_32.h"
34 
35 /* forward declare dc core types */
36 struct dc_link;
37 struct link_resource;
38 struct pipe_ctx;
39 struct encoder_set_dp_phy_pattern_param;
40 
41 struct link_hwss_ext {
42 	/* function pointers below require check for NULL at all time
43 	 * *********************************************************************
44 	 */
45 	void (*set_hblank_min_symbol_width)(struct pipe_ctx *pipe_ctx,
46 			const struct dc_link_settings *link_settings,
47 			struct fixed31_32 throttled_vcp_size);
48 	void (*set_throttled_vcp_size)(struct pipe_ctx *pipe_ctx,
49 			struct fixed31_32 throttled_vcp_size);
50 	void (*enable_dp_link_output)(struct dc_link *link,
51 			const struct link_resource *link_res,
52 			enum signal_type signal,
53 			enum clock_source_id clock_source,
54 			const struct dc_link_settings *link_settings);
55 	void (*disable_dp_link_output)(struct dc_link *link,
56 			const struct link_resource *link_res,
57 			enum signal_type signal);
58 	void (*set_dp_link_test_pattern)(struct dc_link *link,
59 			const struct link_resource *link_res,
60 			struct encoder_set_dp_phy_pattern_param *tp_params);
61 	void (*set_dp_lane_settings)(struct dc_link *link,
62 		const struct link_resource *link_res,
63 		const struct dc_link_settings *link_settings,
64 		const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]);
65 };
66 
67 struct link_hwss {
68 	struct link_hwss_ext ext;
69 
70 	/* function pointers below MUST be assigned to all types of link_hwss
71 	 * *********************************************************************
72 	 */
73 	void (*setup_stream_encoder)(struct pipe_ctx *pipe_ctx);
74 	void (*reset_stream_encoder)(struct pipe_ctx *pipe_ctx);
75 };
76 #endif /* __DC_LINK_HWSS_H__ */
77 
78