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 | * dc_stat_get_dmub_notification |
39 | * |
40 | * Calls dmub layer to retrieve dmub notification |
41 | * |
42 | * @dc: dc structure |
43 | * @notify: dmub notification structure |
44 | * |
45 | * Returns |
46 | * None |
47 | */ |
48 | void dc_stat_get_dmub_notification(const struct dc *dc, struct dmub_notification *notify) |
49 | { |
50 | /** |
51 | * This function is called without dal and dc locks, so |
52 | * we shall not modify any dc, dc_dmub_srv or dmub variables |
53 | * except variables exclusively accessed by this function |
54 | */ |
55 | struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; |
56 | enum dmub_status status; |
57 | |
58 | status = dmub_srv_stat_get_notification(dmub, notify); |
59 | ASSERT(status == DMUB_STATUS_OK); |
60 | |
61 | /* For HPD/HPD RX, convert dpia port index into link index */ |
62 | if (notify->type == DMUB_NOTIFICATION_HPD || |
63 | notify->type == DMUB_NOTIFICATION_HPD_IRQ || |
64 | notify->type == DMUB_NOTIFICATION_DPIA_NOTIFICATION || |
65 | notify->type == DMUB_NOTIFICATION_SET_CONFIG_REPLY) { |
66 | notify->link_index = |
67 | get_link_index_from_dpia_port_index(dc, dpia_port_index: notify->link_index); |
68 | } |
69 | } |
70 | |
71 | /** |
72 | * dc_stat_get_dmub_dataout |
73 | * |
74 | * Calls dmub layer to retrieve dmub gpint dataout |
75 | * |
76 | * @dc: dc structure |
77 | * @dataout: dmub gpint dataout |
78 | * |
79 | * Returns |
80 | * None |
81 | */ |
82 | void dc_stat_get_dmub_dataout(const struct dc *dc, uint32_t *dataout) |
83 | { |
84 | struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; |
85 | enum dmub_status status; |
86 | |
87 | status = dmub_srv_get_gpint_dataout(dmub, dataout); |
88 | ASSERT(status == DMUB_STATUS_OK); |
89 | } |
90 | |