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 "dmub_outbox.h"
26 #include "dc_dmub_srv.h"
27 #include "dmub/inc/dmub_cmd.h"
28
29 /**
30 * dmub_enable_outbox_notification - Sends inbox cmd to dmub to enable outbox1
31 * messages with interrupt. Dmub sends outbox1
32 * message and triggers outbox1 interrupt.
33 * @dc: dc structure
34 */
dmub_enable_outbox_notification(struct dc * dc)35 void dmub_enable_outbox_notification(struct dc *dc)
36 {
37 union dmub_rb_cmd cmd;
38 struct dc_context *dc_ctx = dc->ctx;
39
40 memset(&cmd, 0x0, sizeof(cmd));
41 cmd.outbox1_enable.header.type = DMUB_CMD__OUTBOX1_ENABLE;
42 cmd.outbox1_enable.header.sub_type = 0;
43 cmd.outbox1_enable.header.payload_bytes =
44 sizeof(cmd.outbox1_enable) -
45 sizeof(cmd.outbox1_enable.header);
46 cmd.outbox1_enable.enable = true;
47
48 dc_dmub_srv_cmd_queue(dc_ctx->dmub_srv, &cmd);
49 dc_dmub_srv_cmd_execute(dc_ctx->dmub_srv);
50 dc_dmub_srv_wait_idle(dc_ctx->dmub_srv);
51 }
52