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_hpo_dp.h" 26#include "dm_helpers.h" 27#include "core_types.h" 28#include "dccg.h" 29#include "clk_mgr.h" 30 31void set_hpo_dp_throttled_vcp_size(struct pipe_ctx *pipe_ctx, 32 struct fixed31_32 throttled_vcp_size) 33{ 34 struct hpo_dp_stream_encoder *hpo_dp_stream_encoder = 35 pipe_ctx->stream_res.hpo_dp_stream_enc; 36 struct hpo_dp_link_encoder *hpo_dp_link_encoder = 37 pipe_ctx->link_res.hpo_dp_link_enc; 38 39 hpo_dp_link_encoder->funcs->set_throttled_vcp_size(hpo_dp_link_encoder, 40 hpo_dp_stream_encoder->inst, 41 throttled_vcp_size); 42} 43 44void set_hpo_dp_hblank_min_symbol_width(struct pipe_ctx *pipe_ctx, 45 const struct dc_link_settings *link_settings, 46 struct fixed31_32 throttled_vcp_size) 47{ 48 struct hpo_dp_stream_encoder *hpo_dp_stream_encoder = 49 pipe_ctx->stream_res.hpo_dp_stream_enc; 50 struct dc_crtc_timing *timing = &pipe_ctx->stream->timing; 51 struct fixed31_32 h_blank_in_ms, time_slot_in_ms, mtp_cnt_per_h_blank; 52 uint32_t link_bw_in_kbps = 53 hpo_dp_stream_encoder->ctx->dc->link_srv->dp_link_bandwidth_kbps( 54 pipe_ctx->stream->link, link_settings); 55 uint16_t hblank_min_symbol_width = 0; 56 57 if (link_bw_in_kbps > 0) { 58 h_blank_in_ms = dc_fixpt_div(dc_fixpt_from_int( 59 timing->h_total - timing->h_addressable), 60 dc_fixpt_from_fraction(timing->pix_clk_100hz, 10)); 61 time_slot_in_ms = dc_fixpt_from_fraction(32 * 4, link_bw_in_kbps); 62 mtp_cnt_per_h_blank = dc_fixpt_div(h_blank_in_ms, 63 dc_fixpt_mul_int(time_slot_in_ms, 64)); 64 hblank_min_symbol_width = dc_fixpt_floor( 65 dc_fixpt_mul(mtp_cnt_per_h_blank, throttled_vcp_size)); 66 } 67 68 hpo_dp_stream_encoder->funcs->set_hblank_min_symbol_width(hpo_dp_stream_encoder, 69 hblank_min_symbol_width); 70} 71 72void setup_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx) 73{ 74 struct hpo_dp_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc; 75 struct hpo_dp_link_encoder *link_enc = pipe_ctx->link_res.hpo_dp_link_enc; 76 77 stream_enc->funcs->enable_stream(stream_enc); 78 stream_enc->funcs->map_stream_to_link(stream_enc, stream_enc->inst, link_enc->inst); 79} 80 81void reset_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx) 82{ 83 struct hpo_dp_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc; 84 85 stream_enc->funcs->disable(stream_enc); 86} 87 88void setup_hpo_dp_stream_attribute(struct pipe_ctx *pipe_ctx) 89{ 90 struct hpo_dp_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc; 91 struct dc_stream_state *stream = pipe_ctx->stream; 92 struct dc_link *link = stream->link; 93 94 stream_enc->funcs->set_stream_attribute( 95 stream_enc, 96 &stream->timing, 97 stream->output_color_space, 98 stream->use_vsc_sdp_for_colorimetry, 99 stream->timing.flags.DSC, 100 false); 101 link->dc->link_srv->dp_trace_source_sequence(link, 102 DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR); 103} 104 105void enable_hpo_dp_link_output(struct dc_link *link, 106 const struct link_resource *link_res, 107 enum signal_type signal, 108 enum clock_source_id clock_source, 109 const struct dc_link_settings *link_settings) 110{ 111 if (link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating) 112 link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating( 113 link->dc->res_pool->dccg, 114 link_res->hpo_dp_link_enc->inst, 115 true); 116 link_res->hpo_dp_link_enc->funcs->enable_link_phy( 117 link_res->hpo_dp_link_enc, 118 link_settings, 119 link->link_enc->transmitter, 120 link->link_enc->hpd_source); 121} 122 123void disable_hpo_dp_link_output(struct dc_link *link, 124 const struct link_resource *link_res, 125 enum signal_type signal) 126{ 127 link_res->hpo_dp_link_enc->funcs->link_disable(link_res->hpo_dp_link_enc); 128 link_res->hpo_dp_link_enc->funcs->disable_link_phy( 129 link_res->hpo_dp_link_enc, signal); 130 if (link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating) 131 link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating( 132 link->dc->res_pool->dccg, 133 link_res->hpo_dp_link_enc->inst, 134 false); 135} 136 137static void set_hpo_dp_link_test_pattern(struct dc_link *link, 138 const struct link_resource *link_res, 139 struct encoder_set_dp_phy_pattern_param *tp_params) 140{ 141 link_res->hpo_dp_link_enc->funcs->set_link_test_pattern( 142 link_res->hpo_dp_link_enc, tp_params); 143 link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN); 144} 145 146static void set_hpo_dp_lane_settings(struct dc_link *link, 147 const struct link_resource *link_res, 148 const struct dc_link_settings *link_settings, 149 const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]) 150{ 151 link_res->hpo_dp_link_enc->funcs->set_ffe( 152 link_res->hpo_dp_link_enc, 153 link_settings, 154 lane_settings[0].FFE_PRESET.raw); 155} 156 157void update_hpo_dp_stream_allocation_table(struct dc_link *link, 158 const struct link_resource *link_res, 159 const struct link_mst_stream_allocation_table *table) 160{ 161 link_res->hpo_dp_link_enc->funcs->update_stream_allocation_table( 162 link_res->hpo_dp_link_enc, 163 table); 164} 165 166void setup_hpo_dp_audio_output(struct pipe_ctx *pipe_ctx, 167 struct audio_output *audio_output, uint32_t audio_inst) 168{ 169 pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_audio_setup( 170 pipe_ctx->stream_res.hpo_dp_stream_enc, 171 audio_inst, 172 &pipe_ctx->stream->audio_info); 173} 174 175void enable_hpo_dp_audio_packet(struct pipe_ctx *pipe_ctx) 176{ 177 pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_audio_enable( 178 pipe_ctx->stream_res.hpo_dp_stream_enc); 179} 180 181void disable_hpo_dp_audio_packet(struct pipe_ctx *pipe_ctx) 182{ 183 if (pipe_ctx->stream_res.audio) 184 pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_audio_disable( 185 pipe_ctx->stream_res.hpo_dp_stream_enc); 186} 187 188static const struct link_hwss hpo_dp_link_hwss = { 189 .setup_stream_encoder = setup_hpo_dp_stream_encoder, 190 .reset_stream_encoder = reset_hpo_dp_stream_encoder, 191 .setup_stream_attribute = setup_hpo_dp_stream_attribute, 192 .disable_link_output = disable_hpo_dp_link_output, 193 .setup_audio_output = setup_hpo_dp_audio_output, 194 .enable_audio_packet = enable_hpo_dp_audio_packet, 195 .disable_audio_packet = disable_hpo_dp_audio_packet, 196 .ext = { 197 .set_throttled_vcp_size = set_hpo_dp_throttled_vcp_size, 198 .set_hblank_min_symbol_width = set_hpo_dp_hblank_min_symbol_width, 199 .enable_dp_link_output = enable_hpo_dp_link_output, 200 .set_dp_link_test_pattern = set_hpo_dp_link_test_pattern, 201 .set_dp_lane_settings = set_hpo_dp_lane_settings, 202 .update_stream_allocation_table = update_hpo_dp_stream_allocation_table, 203 }, 204}; 205 206bool can_use_hpo_dp_link_hwss(const struct dc_link *link, 207 const struct link_resource *link_res) 208{ 209 return link_res->hpo_dp_link_enc != NULL; 210} 211 212const struct link_hwss *get_hpo_dp_link_hwss(void) 213{ 214 return &hpo_dp_link_hwss; 215} 216 217