1 /* $NetBSD: link_encoder.h,v 1.2 2021/12/18 23:45:05 riastradh Exp $ */ 2 3 /* 4 * Copyright 2017 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 /* 26 * link_encoder.h 27 * 28 * Created on: Oct 6, 2015 29 * Author: yonsun 30 */ 31 32 #ifndef LINK_ENCODER_H_ 33 #define LINK_ENCODER_H_ 34 35 #include "grph_object_defs.h" 36 #include "signal_types.h" 37 #include "dc_types.h" 38 39 struct dc_context; 40 struct encoder_set_dp_phy_pattern_param; 41 struct link_mst_stream_allocation_table; 42 struct dc_link_settings; 43 struct link_training_settings; 44 struct pipe_ctx; 45 46 struct encoder_init_data { 47 enum channel_id channel; 48 struct graphics_object_id connector; 49 enum hpd_source_id hpd_source; 50 /* TODO: in DAL2, here was pointer to EventManagerInterface */ 51 struct graphics_object_id encoder; 52 struct dc_context *ctx; 53 enum transmitter transmitter; 54 }; 55 56 struct encoder_feature_support { 57 union { 58 struct { 59 uint32_t IS_HBR2_CAPABLE:1; 60 uint32_t IS_HBR3_CAPABLE:1; 61 uint32_t IS_TPS3_CAPABLE:1; 62 uint32_t IS_TPS4_CAPABLE:1; 63 uint32_t HDMI_6GB_EN:1; 64 uint32_t DP_IS_USB_C:1; 65 } bits; 66 uint32_t raw; 67 } flags; 68 69 enum dc_color_depth max_hdmi_deep_color; 70 unsigned int max_hdmi_pixel_clock; 71 bool hdmi_ycbcr420_supported; 72 bool dp_ycbcr420_supported; 73 }; 74 75 union dpcd_psr_configuration { 76 struct { 77 unsigned char ENABLE : 1; 78 unsigned char TRANSMITTER_ACTIVE_IN_PSR : 1; 79 unsigned char CRC_VERIFICATION : 1; 80 unsigned char FRAME_CAPTURE_INDICATION : 1; 81 /* For eDP 1.4, PSR v2*/ 82 unsigned char LINE_CAPTURE_INDICATION : 1; 83 /* For eDP 1.4, PSR v2*/ 84 unsigned char IRQ_HPD_WITH_CRC_ERROR : 1; 85 unsigned char RESERVED : 2; 86 } bits; 87 unsigned char raw; 88 }; 89 90 union psr_error_status { 91 struct { 92 unsigned char LINK_CRC_ERROR :1; 93 unsigned char RFB_STORAGE_ERROR :1; 94 unsigned char RESERVED :6; 95 } bits; 96 unsigned char raw; 97 }; 98 99 union psr_sink_psr_status { 100 struct { 101 unsigned char SINK_SELF_REFRESH_STATUS :3; 102 unsigned char RESERVED :5; 103 } bits; 104 unsigned char raw; 105 }; 106 107 struct link_encoder { 108 const struct link_encoder_funcs *funcs; 109 int32_t aux_channel_offset; 110 struct dc_context *ctx; 111 struct graphics_object_id id; 112 struct graphics_object_id connector; 113 uint32_t output_signals; 114 enum engine_id preferred_engine; 115 struct encoder_feature_support features; 116 enum transmitter transmitter; 117 enum hpd_source_id hpd_source; 118 bool usbc_combo_phy; 119 }; 120 121 struct link_enc_state { 122 123 uint32_t dphy_fec_en; 124 uint32_t dphy_fec_ready_shadow; 125 uint32_t dphy_fec_active_status; 126 uint32_t dp_link_training_complete; 127 128 }; 129 130 struct link_encoder_funcs { 131 void (*read_state)( 132 struct link_encoder *enc, struct link_enc_state *s); 133 bool (*validate_output_with_stream)( 134 struct link_encoder *enc, const struct dc_stream_state *stream); 135 void (*hw_init)(struct link_encoder *enc); 136 void (*setup)(struct link_encoder *enc, 137 enum signal_type signal); 138 void (*enable_tmds_output)(struct link_encoder *enc, 139 enum clock_source_id clock_source, 140 enum dc_color_depth color_depth, 141 enum signal_type signal, 142 uint32_t pixel_clock); 143 void (*enable_dp_output)(struct link_encoder *enc, 144 const struct dc_link_settings *link_settings, 145 enum clock_source_id clock_source); 146 void (*enable_dp_mst_output)(struct link_encoder *enc, 147 const struct dc_link_settings *link_settings, 148 enum clock_source_id clock_source); 149 void (*enable_lvds_output)(struct link_encoder *enc, 150 enum clock_source_id clock_source, 151 uint32_t pixel_clock); 152 void (*disable_output)(struct link_encoder *link_enc, 153 enum signal_type signal); 154 void (*dp_set_lane_settings)(struct link_encoder *enc, 155 const struct link_training_settings *link_settings); 156 void (*dp_set_phy_pattern)(struct link_encoder *enc, 157 const struct encoder_set_dp_phy_pattern_param *para); 158 void (*update_mst_stream_allocation_table)( 159 struct link_encoder *enc, 160 const struct link_mst_stream_allocation_table *table); 161 void (*psr_program_dp_dphy_fast_training)(struct link_encoder *enc, 162 bool exit_link_training_required); 163 void (*psr_program_secondary_packet)(struct link_encoder *enc, 164 unsigned int sdp_transmit_line_num_deadline); 165 void (*connect_dig_be_to_fe)(struct link_encoder *enc, 166 enum engine_id engine, 167 bool connect); 168 void (*enable_hpd)(struct link_encoder *enc); 169 void (*disable_hpd)(struct link_encoder *enc); 170 bool (*is_dig_enabled)(struct link_encoder *enc); 171 unsigned int (*get_dig_frontend)(struct link_encoder *enc); 172 void (*destroy)(struct link_encoder **enc); 173 174 void (*fec_set_enable)(struct link_encoder *enc, 175 bool enable); 176 177 void (*fec_set_ready)(struct link_encoder *enc, 178 bool ready); 179 180 bool (*fec_is_active)(struct link_encoder *enc); 181 bool (*is_in_alt_mode) (struct link_encoder *enc); 182 183 void (*get_max_link_cap)(struct link_encoder *enc, 184 struct dc_link_settings *link_settings); 185 186 enum signal_type (*get_dig_mode)( 187 struct link_encoder *enc); 188 }; 189 190 #endif /* LINK_ENCODER_H_ */ 191
Indexes created Sat Sep 20 22:09:52 GMT 2025