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_wake_and_execute_dmub_cmd(dmub_srv->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
52 }
53