dc_stat.c revision 1.1 
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/dc_stat.h"
26#include "dmub/dmub_srv_stat.h"
27#include "dc_dmub_srv.h"
28
29/**
30 * DOC: DC STAT Interface
31 *
32 * These interfaces are called without acquiring DAL and DC locks.
33 * Hence, there is limitations on whese interfaces can access. Only
34 * variables exclusively defined for these interfaces can be modified.
35 */
36
37/**
38 *****************************************************************************
39 *  Function: dc_stat_get_dmub_notification
40 *
41 *  @brief
42 *		Calls dmub layer to retrieve dmub notification
43 *
44 *  @param
45 *		[in] dc: dc structure
46 *		[in] notify: dmub notification structure
47 *
48 *  @return
49 *     None
50 *****************************************************************************
51 */
52void dc_stat_get_dmub_notification(const struct dc *dc, struct dmub_notification *notify)
53{
54	/**
55	 * This function is called without dal and dc locks, so
56	 * we shall not modify any dc, dc_dmub_srv or dmub variables
57	 * except variables exclusively accessed by this function
58	 */
59	struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub;
60	enum dmub_status status;
61
62	status = dmub_srv_stat_get_notification(dmub, notify);
63	ASSERT(status == DMUB_STATUS_OK);
64}
65
66/**
67 *****************************************************************************
68 *  Function: dc_stat_get_dmub_dataout
69 *
70 *  @brief
71 *		Calls dmub layer to retrieve dmub gpint dataout
72 *
73 *  @param
74 *		[in] dc: dc structure
75 *		[in] dataout: dmub gpint dataout
76 *
77 *  @return
78 *     None
79 *****************************************************************************
80 */
81void dc_stat_get_dmub_dataout(const struct dc *dc, uint32_t *dataout)
82{
83	struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub;
84	enum dmub_status status;
85
86	status = dmub_srv_get_gpint_dataout(dmub, dataout);
87	ASSERT(status == DMUB_STATUS_OK);
88}
89