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 34static 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(link->dc, link->link_index, 48 mst_alloc_slots, &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 57static 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 74bool 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 81const struct link_hwss *get_dpia_link_hwss(void) 82{ 83 return &dpia_link_hwss; 84} 85