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  */
dmub_enable_outbox_notification(struct dc_dmub_srv * dmub_srv)39 void 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 }
55