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 struct link_mst_stream_allocation_table;
41 
42 struct link_hwss_ext {
43 	/* function pointers below may require to check for NULL if caller
44 	 * considers missing implementation as expected in some cases or none
45 	 * critical to be investigated immediately
46 	 * *********************************************************************
47 	 */
48 	void (*set_hblank_min_symbol_width)(struct pipe_ctx *pipe_ctx,
49 			const struct dc_link_settings *link_settings,
50 			struct fixed31_32 throttled_vcp_size);
51 	void (*set_throttled_vcp_size)(struct pipe_ctx *pipe_ctx,
52 			struct fixed31_32 throttled_vcp_size);
53 	void (*enable_dp_link_output)(struct dc_link *link,
54 			const struct link_resource *link_res,
55 			enum signal_type signal,
56 			enum clock_source_id clock_source,
57 			const struct dc_link_settings *link_settings);
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 	void (*update_stream_allocation_table)(struct dc_link *link,
66 			const struct link_resource *link_res,
67 			const struct link_mst_stream_allocation_table *table);
68 };
69 
70 struct link_hwss {
71 	struct link_hwss_ext ext;
72 
73 	/* function pointers below MUST be assigned to all types of link_hwss
74 	 * *********************************************************************
75 	 */
76 	void (*setup_stream_encoder)(struct pipe_ctx *pipe_ctx);
77 	void (*reset_stream_encoder)(struct pipe_ctx *pipe_ctx);
78 	void (*setup_stream_attribute)(struct pipe_ctx *pipe_ctx);
79 	void (*disable_link_output)(struct dc_link *link,
80 			const struct link_resource *link_res,
81 			enum signal_type signal);
82 };
83 #endif /* __DC_LINK_HWSS_H__ */
84 
85