1 /* 2 * Copyright 2020 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 26 #include "reg_helper.h" 27 28 #include "core_types.h" 29 #include "link_encoder.h" 30 #include "dcn301_dio_link_encoder.h" 31 #include "stream_encoder.h" 32 #include "dc_bios_types.h" 33 #include "gpio_service_interface.h" 34 35 #define CTX \ 36 enc10->base.ctx 37 #define DC_LOGGER \ 38 enc10->base.ctx->logger 39 40 #define REG(reg)\ 41 (enc10->link_regs->reg) 42 43 #undef FN 44 #define FN(reg_name, field_name) \ 45 enc10->link_shift->field_name, enc10->link_mask->field_name 46 47 #define IND_REG(index) \ 48 (enc10->link_regs->index) 49 50 static const struct link_encoder_funcs dcn301_link_enc_funcs = { 51 .read_state = link_enc2_read_state, 52 .validate_output_with_stream = dcn10_link_encoder_validate_output_with_stream, 53 .hw_init = enc3_hw_init, 54 .setup = dcn10_link_encoder_setup, 55 .enable_tmds_output = dcn10_link_encoder_enable_tmds_output, 56 .enable_dp_output = dcn20_link_encoder_enable_dp_output, 57 .enable_dp_mst_output = dcn10_link_encoder_enable_dp_mst_output, 58 .disable_output = dcn10_link_encoder_disable_output, 59 .dp_set_lane_settings = dcn10_link_encoder_dp_set_lane_settings, 60 .dp_set_phy_pattern = dcn10_link_encoder_dp_set_phy_pattern, 61 .update_mst_stream_allocation_table = dcn10_link_encoder_update_mst_stream_allocation_table, 62 .psr_program_dp_dphy_fast_training = dcn10_psr_program_dp_dphy_fast_training, 63 .psr_program_secondary_packet = dcn10_psr_program_secondary_packet, 64 .connect_dig_be_to_fe = dcn10_link_encoder_connect_dig_be_to_fe, 65 .enable_hpd = dcn10_link_encoder_enable_hpd, 66 .disable_hpd = dcn10_link_encoder_disable_hpd, 67 .is_dig_enabled = dcn10_is_dig_enabled, 68 .destroy = dcn10_link_encoder_destroy, 69 .fec_set_enable = enc2_fec_set_enable, 70 .fec_set_ready = enc2_fec_set_ready, 71 .fec_is_active = enc2_fec_is_active, 72 .get_dig_frontend = dcn10_get_dig_frontend, 73 .get_dig_mode = dcn10_get_dig_mode, 74 .is_in_alt_mode = dcn20_link_encoder_is_in_alt_mode, 75 .get_max_link_cap = dcn20_link_encoder_get_max_link_cap, 76 }; 77 78 void dcn301_link_encoder_construct( 79 struct dcn20_link_encoder *enc20, 80 const struct encoder_init_data *init_data, 81 const struct encoder_feature_support *enc_features, 82 const struct dcn10_link_enc_registers *link_regs, 83 const struct dcn10_link_enc_aux_registers *aux_regs, 84 const struct dcn10_link_enc_hpd_registers *hpd_regs, 85 const struct dcn10_link_enc_shift *link_shift, 86 const struct dcn10_link_enc_mask *link_mask) 87 { 88 struct bp_encoder_cap_info bp_cap_info = {0}; 89 const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs; 90 enum bp_result result = BP_RESULT_OK; 91 struct dcn10_link_encoder *enc10 = &enc20->enc10; 92 93 enc10->base.funcs = &dcn301_link_enc_funcs; 94 enc10->base.ctx = init_data->ctx; 95 enc10->base.id = init_data->encoder; 96 97 enc10->base.hpd_source = init_data->hpd_source; 98 enc10->base.connector = init_data->connector; 99 100 enc10->base.preferred_engine = ENGINE_ID_UNKNOWN; 101 102 enc10->base.features = *enc_features; 103 104 enc10->base.transmitter = init_data->transmitter; 105 106 /* set the flag to indicate whether driver poll the I2C data pin 107 * while doing the DP sink detect 108 */ 109 110 /* if (dal_adapter_service_is_feature_supported(as, 111 FEATURE_DP_SINK_DETECT_POLL_DATA_PIN)) 112 enc10->base.features.flags.bits. 113 DP_SINK_DETECT_POLL_DATA_PIN = true;*/ 114 115 enc10->base.output_signals = 116 SIGNAL_TYPE_DVI_SINGLE_LINK | 117 SIGNAL_TYPE_DVI_DUAL_LINK | 118 SIGNAL_TYPE_LVDS | 119 SIGNAL_TYPE_DISPLAY_PORT | 120 SIGNAL_TYPE_DISPLAY_PORT_MST | 121 SIGNAL_TYPE_EDP | 122 SIGNAL_TYPE_HDMI_TYPE_A; 123 124 /* For DCE 8.0 and 8.1, by design, UNIPHY is hardwired to DIG_BE. 125 * SW always assign DIG_FE 1:1 mapped to DIG_FE for non-MST UNIPHY. 126 * SW assign DIG_FE to non-MST UNIPHY first and MST last. So prefer 127 * DIG is per UNIPHY and used by SST DP, eDP, HDMI, DVI and LVDS. 128 * Prefer DIG assignment is decided by board design. 129 * For DCE 8.0, there are only max 6 UNIPHYs, we assume board design 130 * and VBIOS will filter out 7 UNIPHY for DCE 8.0. 131 * By this, adding DIGG should not hurt DCE 8.0. 132 * This will let DCE 8.1 share DCE 8.0 as much as possible 133 */ 134 135 enc10->link_regs = link_regs; 136 enc10->aux_regs = aux_regs; 137 enc10->hpd_regs = hpd_regs; 138 enc10->link_shift = link_shift; 139 enc10->link_mask = link_mask; 140 141 switch (enc10->base.transmitter) { 142 case TRANSMITTER_UNIPHY_A: 143 enc10->base.preferred_engine = ENGINE_ID_DIGA; 144 break; 145 case TRANSMITTER_UNIPHY_B: 146 enc10->base.preferred_engine = ENGINE_ID_DIGB; 147 break; 148 case TRANSMITTER_UNIPHY_C: 149 enc10->base.preferred_engine = ENGINE_ID_DIGC; 150 break; 151 case TRANSMITTER_UNIPHY_D: 152 enc10->base.preferred_engine = ENGINE_ID_DIGD; 153 break; 154 case TRANSMITTER_UNIPHY_E: 155 enc10->base.preferred_engine = ENGINE_ID_DIGE; 156 break; 157 case TRANSMITTER_UNIPHY_F: 158 enc10->base.preferred_engine = ENGINE_ID_DIGF; 159 break; 160 case TRANSMITTER_UNIPHY_G: 161 enc10->base.preferred_engine = ENGINE_ID_DIGG; 162 break; 163 default: 164 ASSERT_CRITICAL(false); 165 enc10->base.preferred_engine = ENGINE_ID_UNKNOWN; 166 } 167 168 /* default to one to mirror Windows behavior */ 169 enc10->base.features.flags.bits.HDMI_6GB_EN = 1; 170 171 result = bp_funcs->get_encoder_cap_info(enc10->base.ctx->dc_bios, 172 enc10->base.id, &bp_cap_info); 173 174 /* Override features with DCE-specific values */ 175 if (result == BP_RESULT_OK) { 176 enc10->base.features.flags.bits.IS_HBR2_CAPABLE = 177 bp_cap_info.DP_HBR2_EN; 178 enc10->base.features.flags.bits.IS_HBR3_CAPABLE = 179 bp_cap_info.DP_HBR3_EN; 180 enc10->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN; 181 enc10->base.features.flags.bits.DP_IS_USB_C = 182 bp_cap_info.DP_IS_USB_C; 183 } else { 184 DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n", 185 __func__, 186 result); 187 } 188 if (enc10->base.ctx->dc->debug.hdmi20_disable) { 189 enc10->base.features.flags.bits.HDMI_6GB_EN = 0; 190 } 191 } 192