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