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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 #include "dce/dce_dmcu.h"
27 #include "dc_edid_parser.h"
28 
dc_edid_parser_send_cea(struct dc * dc,int offset,int total_length,uint8_t * data,int length)29 bool dc_edid_parser_send_cea(struct dc *dc,
30 		int offset,
31 		int total_length,
32 		uint8_t *data,
33 		int length)
34 {
35 	struct dmcu *dmcu = dc->res_pool->dmcu;
36 
37 	if (dmcu &&
38 	    dmcu->funcs->is_dmcu_initialized(dmcu) &&
39 	    dmcu->funcs->send_edid_cea) {
40 		return dmcu->funcs->send_edid_cea(dmcu,
41 				offset,
42 				total_length,
43 				data,
44 				length);
45 	}
46 
47 	return false;
48 }
49 
dc_edid_parser_recv_cea_ack(struct dc * dc,int * offset)50 bool dc_edid_parser_recv_cea_ack(struct dc *dc, int *offset)
51 {
52 	struct dmcu *dmcu = dc->res_pool->dmcu;
53 
54 	if (dmcu &&
55 	    dmcu->funcs->is_dmcu_initialized(dmcu) &&
56 	    dmcu->funcs->recv_edid_cea_ack) {
57 		return dmcu->funcs->recv_edid_cea_ack(dmcu, offset);
58 	}
59 
60 	return false;
61 }
62 
dc_edid_parser_recv_amd_vsdb(struct dc * dc,int * version,int * min_frame_rate,int * max_frame_rate)63 bool dc_edid_parser_recv_amd_vsdb(struct dc *dc,
64 		int *version,
65 		int *min_frame_rate,
66 		int *max_frame_rate)
67 {
68 	struct dmcu *dmcu = dc->res_pool->dmcu;
69 
70 	if (dmcu &&
71 	    dmcu->funcs->is_dmcu_initialized(dmcu) &&
72 	    dmcu->funcs->recv_amd_vsdb) {
73 		return dmcu->funcs->recv_amd_vsdb(dmcu,
74 				version,
75 				min_frame_rate,
76 				max_frame_rate);
77 	}
78 
79 	return false;
80 }
81