display/dc/dc_edid_parser.c

0001 /*
0002  * Copyright 2021 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  * Authors: AMD
0023  *
0024  */
0025
0026 #include "dce/dce_dmcu.h"
0027 #include "dc_edid_parser.h"
0028
0029 bool dc_edid_parser_send_cea(struct dc *dc,
0030         int offset,
0031         int total_length,
0032         uint8_t *data,
0033         int length)
0034 {
0035     struct dmcu *dmcu = dc->res_pool->dmcu;
0036
0037     if (dmcu &&
0038         dmcu->funcs->is_dmcu_initialized(dmcu) &&
0039         dmcu->funcs->send_edid_cea) {
0040         return dmcu->funcs->send_edid_cea(dmcu,
0041                 offset,
0042                 total_length,
0043                 data,
0044                 length);
0045     }
0046
0047     return false;
0048 }
0049
0050 bool dc_edid_parser_recv_cea_ack(struct dc *dc, int *offset)
0051 {
0052     struct dmcu *dmcu = dc->res_pool->dmcu;
0053
0054     if (dmcu &&
0055         dmcu->funcs->is_dmcu_initialized(dmcu) &&
0056         dmcu->funcs->recv_edid_cea_ack) {
0057         return dmcu->funcs->recv_edid_cea_ack(dmcu, offset);
0058     }
0059
0060     return false;
0061 }
0062
0063 bool dc_edid_parser_recv_amd_vsdb(struct dc *dc,
0064         int *version,
0065         int *min_frame_rate,
0066         int *max_frame_rate)
0067 {
0068     struct dmcu *dmcu = dc->res_pool->dmcu;
0069
0070     if (dmcu &&
0071         dmcu->funcs->is_dmcu_initialized(dmcu) &&
0072         dmcu->funcs->recv_amd_vsdb) {
0073         return dmcu->funcs->recv_amd_vsdb(dmcu,
0074                 version,
0075                 min_frame_rate,
0076                 max_frame_rate);
0077     }
0078
0079     return false;
0080 }