1 | /* |
2 | * Copyright 2022 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 "link_hwss_dpia.h" |
26 | #include "core_types.h" |
27 | #include "link_hwss_dio.h" |
28 | #include "link_enc_cfg.h" |
29 | |
30 | #define DC_LOGGER \ |
31 | link->ctx->logger |
32 | #define DC_LOGGER_INIT(logger) |
33 | |
34 | static void update_dpia_stream_allocation_table(struct dc_link *link, |
35 | const struct link_resource *link_res, |
36 | const struct link_mst_stream_allocation_table *table) |
37 | { |
38 | struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link); |
39 | static enum dc_status status; |
40 | uint8_t mst_alloc_slots = 0, prev_mst_slots_in_use = 0xFF; |
41 | int i; |
42 | DC_LOGGER_INIT(link->ctx->logger); |
43 | |
44 | for (i = 0; i < table->stream_count; i++) |
45 | mst_alloc_slots += table->stream_allocations[i].slot_count; |
46 | |
47 | status = dc_process_dmub_set_mst_slots(dc: link->dc, link_index: link->link_index, |
48 | mst_alloc_slots, mst_slots_in_use: &prev_mst_slots_in_use); |
49 | ASSERT(status == DC_OK); |
50 | DC_LOG_MST("dpia : status[%d]: alloc_slots[%d]: used_slots[%d]\n" , |
51 | status, mst_alloc_slots, prev_mst_slots_in_use); |
52 | |
53 | ASSERT(link_enc); |
54 | link_enc->funcs->update_mst_stream_allocation_table(link_enc, table); |
55 | } |
56 | |
57 | static const struct link_hwss dpia_link_hwss = { |
58 | .setup_stream_encoder = setup_dio_stream_encoder, |
59 | .reset_stream_encoder = reset_dio_stream_encoder, |
60 | .setup_stream_attribute = setup_dio_stream_attribute, |
61 | .disable_link_output = disable_dio_link_output, |
62 | .setup_audio_output = setup_dio_audio_output, |
63 | .enable_audio_packet = enable_dio_audio_packet, |
64 | .disable_audio_packet = disable_dio_audio_packet, |
65 | .ext = { |
66 | .set_throttled_vcp_size = set_dio_throttled_vcp_size, |
67 | .enable_dp_link_output = enable_dio_dp_link_output, |
68 | .set_dp_link_test_pattern = set_dio_dp_link_test_pattern, |
69 | .set_dp_lane_settings = set_dio_dp_lane_settings, |
70 | .update_stream_allocation_table = update_dpia_stream_allocation_table, |
71 | }, |
72 | }; |
73 | |
74 | bool can_use_dpia_link_hwss(const struct dc_link *link, |
75 | const struct link_resource *link_res) |
76 | { |
77 | return link->is_dig_mapping_flexible && |
78 | link->dc->res_pool->funcs->link_encs_assign; |
79 | } |
80 | |
81 | const struct link_hwss *get_dpia_link_hwss(void) |
82 | { |
83 | return &dpia_link_hwss; |
84 | } |
85 | |