dmub_outbox.c (1928B)
1/* 2 * Copyright 2020 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#include "dc.h" 26#include "dc_dmub_srv.h" 27#include "dmub_outbox.h" 28#include "dmub/inc/dmub_cmd.h" 29 30/* 31 * Function: dmub_enable_outbox_notification 32 * 33 * @brief 34 * Sends inbox cmd to dmub for enabling outbox notifications to x86. 35 * 36 * @param 37 * [in] dmub_srv: dmub_srv structure 38 */ 39void dmub_enable_outbox_notification(struct dc_dmub_srv *dmub_srv) 40{ 41 union dmub_rb_cmd cmd; 42 43 memset(&cmd, 0x0, sizeof(cmd)); 44 cmd.outbox1_enable.header.type = DMUB_CMD__OUTBOX1_ENABLE; 45 cmd.outbox1_enable.header.sub_type = 0; 46 cmd.outbox1_enable.header.payload_bytes = 47 sizeof(cmd.outbox1_enable) - 48 sizeof(cmd.outbox1_enable.header); 49 cmd.outbox1_enable.enable = true; 50 51 dc_dmub_srv_cmd_queue(dmub_srv, &cmd); 52 dc_dmub_srv_cmd_execute(dmub_srv); 53 dc_dmub_srv_wait_idle(dmub_srv); 54}