1 /* 2 * Copyright 2019 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 "dc_bios_types.h" 27 #include "dcn31_hpo_dp_stream_encoder.h" 28 #include "reg_helper.h" 29 #include "dc_link.h" 30 31 #define DC_LOGGER \ 32 enc3->base.ctx->logger 33 34 #define REG(reg)\ 35 (enc3->regs->reg) 36 37 #undef FN 38 #define FN(reg_name, field_name) \ 39 enc3->hpo_se_shift->field_name, enc3->hpo_se_mask->field_name 40 41 #define CTX \ 42 enc3->base.ctx 43 44 45 enum dp2_pixel_encoding { 46 DP_SYM32_ENC_PIXEL_ENCODING_RGB_YCBCR444, 47 DP_SYM32_ENC_PIXEL_ENCODING_YCBCR422, 48 DP_SYM32_ENC_PIXEL_ENCODING_YCBCR420, 49 DP_SYM32_ENC_PIXEL_ENCODING_Y_ONLY 50 }; 51 52 enum dp2_uncompressed_component_depth { 53 DP_SYM32_ENC_COMPONENT_DEPTH_6BPC, 54 DP_SYM32_ENC_COMPONENT_DEPTH_8BPC, 55 DP_SYM32_ENC_COMPONENT_DEPTH_10BPC, 56 DP_SYM32_ENC_COMPONENT_DEPTH_12BPC 57 }; 58 59 60 static void dcn31_hpo_dp_stream_enc_enable_stream( 61 struct hpo_dp_stream_encoder *enc) 62 { 63 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 64 65 /* Enable all clocks in the DP_STREAM_ENC */ 66 REG_UPDATE(DP_STREAM_ENC_CLOCK_CONTROL, 67 DP_STREAM_ENC_CLOCK_EN, 1); 68 69 /* Assert reset to the DP_SYM32_ENC logic */ 70 REG_UPDATE(DP_SYM32_ENC_CONTROL, 71 DP_SYM32_ENC_RESET, 1); 72 /* Wait for reset to complete (to assert) */ 73 REG_WAIT(DP_SYM32_ENC_CONTROL, 74 DP_SYM32_ENC_RESET_DONE, 1, 75 1, 10); 76 77 /* De-assert reset to the DP_SYM32_ENC logic */ 78 REG_UPDATE(DP_SYM32_ENC_CONTROL, 79 DP_SYM32_ENC_RESET, 0); 80 /* Wait for reset to de-assert */ 81 REG_WAIT(DP_SYM32_ENC_CONTROL, 82 DP_SYM32_ENC_RESET_DONE, 0, 83 1, 10); 84 85 /* Enable idle pattern generation */ 86 REG_UPDATE(DP_SYM32_ENC_CONTROL, 87 DP_SYM32_ENC_ENABLE, 1); 88 } 89 90 static void dcn31_hpo_dp_stream_enc_dp_unblank( 91 struct hpo_dp_stream_encoder *enc, 92 uint32_t stream_source) 93 { 94 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 95 96 /* Set the input mux for video stream source */ 97 REG_UPDATE(DP_STREAM_ENC_INPUT_MUX_CONTROL, 98 DP_STREAM_ENC_INPUT_MUX_PIXEL_STREAM_SOURCE_SEL, stream_source); 99 100 /* Enable video transmission in main framer */ 101 REG_UPDATE(DP_SYM32_ENC_VID_STREAM_CONTROL, 102 VID_STREAM_ENABLE, 1); 103 104 /* Reset and Enable Pixel to Symbol FIFO */ 105 REG_UPDATE(DP_SYM32_ENC_VID_FIFO_CONTROL, 106 PIXEL_TO_SYMBOL_FIFO_RESET, 1); 107 REG_WAIT(DP_SYM32_ENC_VID_FIFO_CONTROL, 108 PIXEL_TO_SYMBOL_FIFO_RESET_DONE, 1, 109 1, 10); 110 REG_UPDATE(DP_SYM32_ENC_VID_FIFO_CONTROL, 111 PIXEL_TO_SYMBOL_FIFO_RESET, 0); 112 REG_WAIT(DP_SYM32_ENC_VID_FIFO_CONTROL, /* Disable Clock Ramp Adjuster FIFO */ 113 PIXEL_TO_SYMBOL_FIFO_RESET_DONE, 0, 114 1, 10); 115 REG_UPDATE(DP_SYM32_ENC_VID_FIFO_CONTROL, 116 PIXEL_TO_SYMBOL_FIFO_ENABLE, 1); 117 118 /* Reset and Enable Clock Ramp Adjuster FIFO */ 119 REG_UPDATE(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0, 120 FIFO_RESET, 1); 121 REG_WAIT(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0, 122 FIFO_RESET_DONE, 1, 123 1, 10); 124 REG_UPDATE(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0, 125 FIFO_RESET, 0); 126 REG_WAIT(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0, 127 FIFO_RESET_DONE, 0, 128 1, 10); 129 130 /* For Debug -- Enable CRC */ 131 REG_UPDATE_2(DP_SYM32_ENC_VID_CRC_CONTROL, 132 CRC_ENABLE, 1, 133 CRC_CONT_MODE_ENABLE, 1); 134 135 REG_UPDATE(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0, 136 FIFO_ENABLE, 1); 137 } 138 139 static void dcn31_hpo_dp_stream_enc_dp_blank( 140 struct hpo_dp_stream_encoder *enc) 141 { 142 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 143 144 /* Disable video transmission */ 145 REG_UPDATE(DP_SYM32_ENC_VID_STREAM_CONTROL, 146 VID_STREAM_ENABLE, 0); 147 148 /* Wait for video stream transmission disabled 149 * Larger delay to wait until VBLANK - use max retry of 150 * 10us*5000=50ms. This covers 41.7ms of minimum 24 Hz mode + 151 * a little more because we may not trust delay accuracy. 152 */ 153 REG_WAIT(DP_SYM32_ENC_VID_STREAM_CONTROL, 154 VID_STREAM_STATUS, 0, 155 10, 5000); 156 157 /* Disable SDP tranmission */ 158 REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL, 159 SDP_STREAM_ENABLE, 0); 160 161 /* Disable Pixel to Symbol FIFO */ 162 REG_UPDATE(DP_SYM32_ENC_VID_FIFO_CONTROL, 163 PIXEL_TO_SYMBOL_FIFO_ENABLE, 0); 164 165 /* Disable Clock Ramp Adjuster FIFO */ 166 REG_UPDATE(DP_STREAM_ENC_CLOCK_RAMP_ADJUSTER_FIFO_STATUS_CONTROL0, 167 FIFO_ENABLE, 0); 168 } 169 170 static void dcn31_hpo_dp_stream_enc_disable( 171 struct hpo_dp_stream_encoder *enc) 172 { 173 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 174 175 /* Disable DP_SYM32_ENC */ 176 REG_UPDATE(DP_SYM32_ENC_CONTROL, 177 DP_SYM32_ENC_ENABLE, 0); 178 179 /* Disable clocks in the DP_STREAM_ENC */ 180 REG_UPDATE(DP_STREAM_ENC_CLOCK_CONTROL, 181 DP_STREAM_ENC_CLOCK_EN, 0); 182 } 183 184 static void dcn31_hpo_dp_stream_enc_set_stream_attribute( 185 struct hpo_dp_stream_encoder *enc, 186 struct dc_crtc_timing *crtc_timing, 187 enum dc_color_space output_color_space, 188 bool use_vsc_sdp_for_colorimetry, 189 bool compressed_format, 190 bool double_buffer_en) 191 { 192 enum dp2_pixel_encoding pixel_encoding; 193 enum dp2_uncompressed_component_depth component_depth; 194 uint32_t h_active_start; 195 uint32_t v_active_start; 196 uint32_t h_blank; 197 uint32_t h_back_porch; 198 uint32_t h_width; 199 uint32_t v_height; 200 uint64_t v_freq; 201 uint8_t misc0 = 0; 202 uint8_t misc1 = 0; 203 uint8_t hsp; 204 uint8_t vsp; 205 206 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 207 struct dc_crtc_timing hw_crtc_timing = *crtc_timing; 208 209 /* MISC0[0] = 0 video and link clocks are asynchronous 210 * MISC1[0] = 0 interlace not supported 211 * MISC1[2:1] = 0 stereo field is handled by hardware 212 * MISC1[5:3] = 0 Reserved 213 */ 214 215 /* Interlaced not supported */ 216 if (hw_crtc_timing.flags.INTERLACE) { 217 BREAK_TO_DEBUGGER(); 218 } 219 220 /* Double buffer enable for MSA and pixel format registers 221 * Only double buffer for changing stream attributes for active streams 222 * Do not double buffer when initially enabling a stream 223 */ 224 REG_UPDATE(DP_SYM32_ENC_VID_MSA_DOUBLE_BUFFER_CONTROL, 225 MSA_DOUBLE_BUFFER_ENABLE, double_buffer_en); 226 REG_UPDATE(DP_SYM32_ENC_VID_PIXEL_FORMAT_DOUBLE_BUFFER_CONTROL, 227 PIXEL_FORMAT_DOUBLE_BUFFER_ENABLE, double_buffer_en); 228 229 /* Pixel Encoding */ 230 switch (hw_crtc_timing.pixel_encoding) { 231 case PIXEL_ENCODING_YCBCR422: 232 pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_YCBCR422; 233 misc0 = misc0 | 0x2; // MISC0[2:1] = 01 234 break; 235 case PIXEL_ENCODING_YCBCR444: 236 pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_RGB_YCBCR444; 237 misc0 = misc0 | 0x4; // MISC0[2:1] = 10 238 239 if (hw_crtc_timing.flags.Y_ONLY) { 240 pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_Y_ONLY; 241 if (hw_crtc_timing.display_color_depth != COLOR_DEPTH_666) { 242 /* HW testing only, no use case yet. 243 * Color depth of Y-only could be 244 * 8, 10, 12, 16 bits 245 */ 246 misc1 = misc1 | 0x80; // MISC1[7] = 1 247 } 248 } 249 break; 250 case PIXEL_ENCODING_YCBCR420: 251 pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_YCBCR420; 252 misc1 = misc1 | 0x40; // MISC1[6] = 1 253 break; 254 case PIXEL_ENCODING_RGB: 255 default: 256 pixel_encoding = DP_SYM32_ENC_PIXEL_ENCODING_RGB_YCBCR444; 257 break; 258 } 259 260 /* For YCbCr420 and BT2020 Colorimetry Formats, VSC SDP shall be used. 261 * When MISC1, bit 6, is Set to 1, a Source device uses a VSC SDP to indicate the 262 * Pixel Encoding/Colorimetry Format and that a Sink device shall ignore MISC1, bit 7, 263 * and MISC0, bits 7:1 (MISC1, bit 7, and MISC0, bits 7:1, become "don't care"). 264 */ 265 if (use_vsc_sdp_for_colorimetry) 266 misc1 = misc1 | 0x40; 267 else 268 misc1 = misc1 & ~0x40; 269 270 /* Color depth */ 271 switch (hw_crtc_timing.display_color_depth) { 272 case COLOR_DEPTH_666: 273 component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_6BPC; 274 // MISC0[7:5] = 000 275 break; 276 case COLOR_DEPTH_888: 277 component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_8BPC; 278 misc0 = misc0 | 0x20; // MISC0[7:5] = 001 279 break; 280 case COLOR_DEPTH_101010: 281 component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_10BPC; 282 misc0 = misc0 | 0x40; // MISC0[7:5] = 010 283 break; 284 case COLOR_DEPTH_121212: 285 component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_12BPC; 286 misc0 = misc0 | 0x60; // MISC0[7:5] = 011 287 break; 288 default: 289 component_depth = DP_SYM32_ENC_COMPONENT_DEPTH_6BPC; 290 break; 291 } 292 293 REG_UPDATE_3(DP_SYM32_ENC_VID_PIXEL_FORMAT, 294 PIXEL_ENCODING_TYPE, compressed_format, 295 UNCOMPRESSED_PIXEL_ENCODING, pixel_encoding, 296 UNCOMPRESSED_COMPONENT_DEPTH, component_depth); 297 298 switch (output_color_space) { 299 case COLOR_SPACE_SRGB: 300 misc1 = misc1 & ~0x80; /* bit7 = 0*/ 301 break; 302 case COLOR_SPACE_SRGB_LIMITED: 303 misc0 = misc0 | 0x8; /* bit3=1 */ 304 misc1 = misc1 & ~0x80; /* bit7 = 0*/ 305 break; 306 case COLOR_SPACE_YCBCR601: 307 case COLOR_SPACE_YCBCR601_LIMITED: 308 misc0 = misc0 | 0x8; /* bit3=1, bit4=0 */ 309 misc1 = misc1 & ~0x80; /* bit7 = 0*/ 310 if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR422) 311 misc0 = misc0 | 0x2; /* bit2=0, bit1=1 */ 312 else if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR444) 313 misc0 = misc0 | 0x4; /* bit2=1, bit1=0 */ 314 break; 315 case COLOR_SPACE_YCBCR709: 316 case COLOR_SPACE_YCBCR709_LIMITED: 317 misc0 = misc0 | 0x18; /* bit3=1, bit4=1 */ 318 misc1 = misc1 & ~0x80; /* bit7 = 0*/ 319 if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR422) 320 misc0 = misc0 | 0x2; /* bit2=0, bit1=1 */ 321 else if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR444) 322 misc0 = misc0 | 0x4; /* bit2=1, bit1=0 */ 323 break; 324 case COLOR_SPACE_2020_RGB_LIMITEDRANGE: 325 case COLOR_SPACE_2020_RGB_FULLRANGE: 326 case COLOR_SPACE_2020_YCBCR: 327 case COLOR_SPACE_XR_RGB: 328 case COLOR_SPACE_MSREF_SCRGB: 329 case COLOR_SPACE_ADOBERGB: 330 case COLOR_SPACE_DCIP3: 331 case COLOR_SPACE_XV_YCC_709: 332 case COLOR_SPACE_XV_YCC_601: 333 case COLOR_SPACE_DISPLAYNATIVE: 334 case COLOR_SPACE_DOLBYVISION: 335 case COLOR_SPACE_APPCTRL: 336 case COLOR_SPACE_CUSTOMPOINTS: 337 case COLOR_SPACE_UNKNOWN: 338 case COLOR_SPACE_YCBCR709_BLACK: 339 /* do nothing */ 340 break; 341 } 342 343 /* calculate from vesa timing parameters 344 * h_active_start related to leading edge of sync 345 */ 346 h_blank = hw_crtc_timing.h_total - hw_crtc_timing.h_border_left - 347 hw_crtc_timing.h_addressable - hw_crtc_timing.h_border_right; 348 349 h_back_porch = h_blank - hw_crtc_timing.h_front_porch - 350 hw_crtc_timing.h_sync_width; 351 352 /* start at beginning of left border */ 353 h_active_start = hw_crtc_timing.h_sync_width + h_back_porch; 354 355 v_active_start = hw_crtc_timing.v_total - hw_crtc_timing.v_border_top - 356 hw_crtc_timing.v_addressable - hw_crtc_timing.v_border_bottom - 357 hw_crtc_timing.v_front_porch; 358 359 h_width = hw_crtc_timing.h_border_left + hw_crtc_timing.h_addressable + hw_crtc_timing.h_border_right; 360 v_height = hw_crtc_timing.v_border_top + hw_crtc_timing.v_addressable + hw_crtc_timing.v_border_bottom; 361 hsp = hw_crtc_timing.flags.HSYNC_POSITIVE_POLARITY ? 0 : 0x80; 362 vsp = hw_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ? 0 : 0x80; 363 v_freq = (uint64_t)hw_crtc_timing.pix_clk_100hz * 100; 364 365 /* MSA Packet Mapping to 32-bit Link Symbols - DP2 spec, section 2.7.4.1 366 * 367 * Lane 0 Lane 1 Lane 2 Lane 3 368 * MSA[0] = { 0, 0, 0, VFREQ[47:40]} 369 * MSA[1] = { 0, 0, 0, VFREQ[39:32]} 370 * MSA[2] = { 0, 0, 0, VFREQ[31:24]} 371 * MSA[3] = { HTotal[15:8], HStart[15:8], HWidth[15:8], VFREQ[23:16]} 372 * MSA[4] = { HTotal[ 7:0], HStart[ 7:0], HWidth[ 7:0], VFREQ[15: 8]} 373 * MSA[5] = { VTotal[15:8], VStart[15:8], VHeight[15:8], VFREQ[ 7: 0]} 374 * MSA[6] = { VTotal[ 7:0], VStart[ 7:0], VHeight[ 7:0], MISC0[ 7: 0]} 375 * MSA[7] = { HSP|HSW[14:8], VSP|VSW[14:8], 0, MISC1[ 7: 0]} 376 * MSA[8] = { HSW[ 7:0], VSW[ 7:0], 0, 0} 377 */ 378 REG_SET_4(DP_SYM32_ENC_VID_MSA0, 0, 379 MSA_DATA_LANE_0, 0, 380 MSA_DATA_LANE_1, 0, 381 MSA_DATA_LANE_2, 0, 382 MSA_DATA_LANE_3, v_freq >> 40); 383 384 REG_SET_4(DP_SYM32_ENC_VID_MSA1, 0, 385 MSA_DATA_LANE_0, 0, 386 MSA_DATA_LANE_1, 0, 387 MSA_DATA_LANE_2, 0, 388 MSA_DATA_LANE_3, (v_freq >> 32) & 0xff); 389 390 REG_SET_4(DP_SYM32_ENC_VID_MSA2, 0, 391 MSA_DATA_LANE_0, 0, 392 MSA_DATA_LANE_1, 0, 393 MSA_DATA_LANE_2, 0, 394 MSA_DATA_LANE_3, (v_freq >> 24) & 0xff); 395 396 REG_SET_4(DP_SYM32_ENC_VID_MSA3, 0, 397 MSA_DATA_LANE_0, hw_crtc_timing.h_total >> 8, 398 MSA_DATA_LANE_1, h_active_start >> 8, 399 MSA_DATA_LANE_2, h_width >> 8, 400 MSA_DATA_LANE_3, (v_freq >> 16) & 0xff); 401 402 REG_SET_4(DP_SYM32_ENC_VID_MSA4, 0, 403 MSA_DATA_LANE_0, hw_crtc_timing.h_total & 0xff, 404 MSA_DATA_LANE_1, h_active_start & 0xff, 405 MSA_DATA_LANE_2, h_width & 0xff, 406 MSA_DATA_LANE_3, (v_freq >> 8) & 0xff); 407 408 REG_SET_4(DP_SYM32_ENC_VID_MSA5, 0, 409 MSA_DATA_LANE_0, hw_crtc_timing.v_total >> 8, 410 MSA_DATA_LANE_1, v_active_start >> 8, 411 MSA_DATA_LANE_2, v_height >> 8, 412 MSA_DATA_LANE_3, v_freq & 0xff); 413 414 REG_SET_4(DP_SYM32_ENC_VID_MSA6, 0, 415 MSA_DATA_LANE_0, hw_crtc_timing.v_total & 0xff, 416 MSA_DATA_LANE_1, v_active_start & 0xff, 417 MSA_DATA_LANE_2, v_height & 0xff, 418 MSA_DATA_LANE_3, misc0); 419 420 REG_SET_4(DP_SYM32_ENC_VID_MSA7, 0, 421 MSA_DATA_LANE_0, hsp | (hw_crtc_timing.h_sync_width >> 8), 422 MSA_DATA_LANE_1, vsp | (hw_crtc_timing.v_sync_width >> 8), 423 MSA_DATA_LANE_2, 0, 424 MSA_DATA_LANE_3, misc1); 425 426 REG_SET_4(DP_SYM32_ENC_VID_MSA8, 0, 427 MSA_DATA_LANE_0, hw_crtc_timing.h_sync_width & 0xff, 428 MSA_DATA_LANE_1, hw_crtc_timing.v_sync_width & 0xff, 429 MSA_DATA_LANE_2, 0, 430 MSA_DATA_LANE_3, 0); 431 } 432 433 static void dcn31_hpo_dp_stream_enc_update_dp_info_packets( 434 struct hpo_dp_stream_encoder *enc, 435 const struct encoder_info_frame *info_frame) 436 { 437 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 438 uint32_t dmdata_packet_enabled = 0; 439 440 if (info_frame->vsc.valid) 441 enc->vpg->funcs->update_generic_info_packet( 442 enc->vpg, 443 0, /* packetIndex */ 444 &info_frame->vsc, 445 true); 446 447 if (info_frame->spd.valid) 448 enc->vpg->funcs->update_generic_info_packet( 449 enc->vpg, 450 2, /* packetIndex */ 451 &info_frame->spd, 452 true); 453 454 if (info_frame->hdrsmd.valid) 455 enc->vpg->funcs->update_generic_info_packet( 456 enc->vpg, 457 3, /* packetIndex */ 458 &info_frame->hdrsmd, 459 true); 460 461 /* enable/disable transmission of packet(s). 462 * If enabled, packet transmission begins on the next frame 463 */ 464 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL0, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, info_frame->vsc.valid); 465 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL2, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, info_frame->spd.valid); 466 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL3, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, info_frame->hdrsmd.valid); 467 468 /* check if dynamic metadata packet transmission is enabled */ 469 REG_GET(DP_SYM32_ENC_SDP_METADATA_PACKET_CONTROL, 470 METADATA_PACKET_ENABLE, &dmdata_packet_enabled); 471 472 /* Enable secondary data path */ 473 REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL, 474 SDP_STREAM_ENABLE, 1); 475 } 476 477 static void dcn31_hpo_dp_stream_enc_stop_dp_info_packets( 478 struct hpo_dp_stream_encoder *enc) 479 { 480 /* stop generic packets on DP */ 481 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 482 uint32_t asp_enable = 0; 483 uint32_t atp_enable = 0; 484 uint32_t aip_enable = 0; 485 uint32_t acm_enable = 0; 486 487 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL0, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 0); 488 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL2, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 0); 489 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL3, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 0); 490 491 /* Disable secondary data path if audio is also disabled */ 492 REG_GET_4(DP_SYM32_ENC_SDP_AUDIO_CONTROL0, 493 ASP_ENABLE, &asp_enable, 494 ATP_ENABLE, &atp_enable, 495 AIP_ENABLE, &aip_enable, 496 ACM_ENABLE, &acm_enable); 497 if (!(asp_enable || atp_enable || aip_enable || acm_enable)) 498 REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL, 499 SDP_STREAM_ENABLE, 0); 500 } 501 502 static uint32_t hpo_dp_is_gsp_enabled( 503 struct hpo_dp_stream_encoder *enc) 504 { 505 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 506 uint32_t gsp0_enabled = 0; 507 uint32_t gsp2_enabled = 0; 508 uint32_t gsp3_enabled = 0; 509 uint32_t gsp11_enabled = 0; 510 511 REG_GET(DP_SYM32_ENC_SDP_GSP_CONTROL0, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, &gsp0_enabled); 512 REG_GET(DP_SYM32_ENC_SDP_GSP_CONTROL2, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, &gsp2_enabled); 513 REG_GET(DP_SYM32_ENC_SDP_GSP_CONTROL3, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, &gsp3_enabled); 514 REG_GET(DP_SYM32_ENC_SDP_GSP_CONTROL11, GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, &gsp11_enabled); 515 516 return (gsp0_enabled || gsp2_enabled || gsp3_enabled || gsp11_enabled); 517 } 518 519 static void dcn31_hpo_dp_stream_enc_set_dsc_pps_info_packet( 520 struct hpo_dp_stream_encoder *enc, 521 bool enable, 522 uint8_t *dsc_packed_pps, 523 bool immediate_update) 524 { 525 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 526 527 if (enable) { 528 struct dc_info_packet pps_sdp; 529 int i; 530 531 /* Configure for PPS packet size (128 bytes) */ 532 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL11, 533 GSP_PAYLOAD_SIZE, 3); 534 535 /* Load PPS into infoframe (SDP) registers */ 536 pps_sdp.valid = true; 537 pps_sdp.hb0 = 0; 538 pps_sdp.hb1 = DC_DP_INFOFRAME_TYPE_PPS; 539 pps_sdp.hb2 = 127; 540 pps_sdp.hb3 = 0; 541 542 for (i = 0; i < 4; i++) { 543 memcpy(pps_sdp.sb, &dsc_packed_pps[i * 32], 32); 544 enc3->base.vpg->funcs->update_generic_info_packet( 545 enc3->base.vpg, 546 11 + i, 547 &pps_sdp, 548 immediate_update); 549 } 550 551 /* SW should make sure VBID[6] update line number is bigger 552 * than PPS transmit line number 553 */ 554 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL11, 555 GSP_TRANSMISSION_LINE_NUMBER, 2); 556 557 REG_UPDATE_2(DP_SYM32_ENC_VID_VBID_CONTROL, 558 VBID_6_COMPRESSEDSTREAM_FLAG_SOF_REFERENCE, 0, 559 VBID_6_COMPRESSEDSTREAM_FLAG_LINE_NUMBER, 3); 560 561 /* Send PPS data at the line number specified above. */ 562 REG_UPDATE(DP_SYM32_ENC_SDP_GSP_CONTROL11, 563 GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 1); 564 REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL, 565 SDP_STREAM_ENABLE, 1); 566 } else { 567 /* Disable Generic Stream Packet 11 (GSP) transmission */ 568 REG_UPDATE_2(DP_SYM32_ENC_SDP_GSP_CONTROL11, 569 GSP_VIDEO_CONTINUOUS_TRANSMISSION_ENABLE, 0, 570 GSP_PAYLOAD_SIZE, 0); 571 } 572 } 573 574 static void dcn31_hpo_dp_stream_enc_map_stream_to_link( 575 struct hpo_dp_stream_encoder *enc, 576 uint32_t stream_enc_inst, 577 uint32_t link_enc_inst) 578 { 579 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 580 581 ASSERT(stream_enc_inst < 4 && link_enc_inst < 2); 582 583 switch (stream_enc_inst) { 584 case 0: 585 REG_UPDATE(DP_STREAM_MAPPER_CONTROL0, 586 DP_STREAM_LINK_TARGET, link_enc_inst); 587 break; 588 case 1: 589 REG_UPDATE(DP_STREAM_MAPPER_CONTROL1, 590 DP_STREAM_LINK_TARGET, link_enc_inst); 591 break; 592 case 2: 593 REG_UPDATE(DP_STREAM_MAPPER_CONTROL2, 594 DP_STREAM_LINK_TARGET, link_enc_inst); 595 break; 596 case 3: 597 REG_UPDATE(DP_STREAM_MAPPER_CONTROL3, 598 DP_STREAM_LINK_TARGET, link_enc_inst); 599 break; 600 } 601 } 602 603 static void dcn31_hpo_dp_stream_enc_mute_control( 604 struct hpo_dp_stream_encoder *enc, 605 bool mute) 606 { 607 ASSERT(enc->apg); 608 enc->apg->funcs->audio_mute_control(enc->apg, mute); 609 } 610 611 static void dcn31_hpo_dp_stream_enc_audio_setup( 612 struct hpo_dp_stream_encoder *enc, 613 unsigned int az_inst, 614 struct audio_info *info) 615 { 616 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 617 618 /* Set the input mux for video stream source */ 619 REG_UPDATE(DP_STREAM_ENC_AUDIO_CONTROL, 620 DP_STREAM_ENC_INPUT_MUX_AUDIO_STREAM_SOURCE_SEL, az_inst); 621 622 ASSERT(enc->apg); 623 enc->apg->funcs->se_audio_setup(enc->apg, az_inst, info); 624 } 625 626 static void dcn31_hpo_dp_stream_enc_audio_enable( 627 struct hpo_dp_stream_encoder *enc) 628 { 629 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 630 631 /* Enable Audio packets */ 632 REG_UPDATE(DP_SYM32_ENC_SDP_AUDIO_CONTROL0, ASP_ENABLE, 1); 633 634 /* Program the ATP and AIP next */ 635 REG_UPDATE_2(DP_SYM32_ENC_SDP_AUDIO_CONTROL0, 636 ATP_ENABLE, 1, 637 AIP_ENABLE, 1); 638 639 /* Enable secondary data path */ 640 REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL, 641 SDP_STREAM_ENABLE, 1); 642 643 /* Enable APG block */ 644 enc->apg->funcs->enable_apg(enc->apg); 645 } 646 647 static void dcn31_hpo_dp_stream_enc_audio_disable( 648 struct hpo_dp_stream_encoder *enc) 649 { 650 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 651 652 /* Disable Audio packets */ 653 REG_UPDATE_4(DP_SYM32_ENC_SDP_AUDIO_CONTROL0, 654 ASP_ENABLE, 0, 655 ATP_ENABLE, 0, 656 AIP_ENABLE, 0, 657 ACM_ENABLE, 0); 658 659 /* Disable STP Stream Enable if other SDP GSP are also disabled */ 660 if (!(hpo_dp_is_gsp_enabled(enc))) 661 REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL, 662 SDP_STREAM_ENABLE, 0); 663 664 /* Disable APG block */ 665 enc->apg->funcs->disable_apg(enc->apg); 666 } 667 668 static void dcn31_hpo_dp_stream_enc_read_state( 669 struct hpo_dp_stream_encoder *enc, 670 struct hpo_dp_stream_encoder_state *s) 671 { 672 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 673 674 REG_GET(DP_SYM32_ENC_CONTROL, 675 DP_SYM32_ENC_ENABLE, &s->stream_enc_enabled); 676 REG_GET(DP_SYM32_ENC_VID_STREAM_CONTROL, 677 VID_STREAM_ENABLE, &s->vid_stream_enabled); 678 REG_GET(DP_STREAM_ENC_INPUT_MUX_CONTROL, 679 DP_STREAM_ENC_INPUT_MUX_PIXEL_STREAM_SOURCE_SEL, &s->otg_inst); 680 681 REG_GET_3(DP_SYM32_ENC_VID_PIXEL_FORMAT, 682 PIXEL_ENCODING_TYPE, &s->compressed_format, 683 UNCOMPRESSED_PIXEL_ENCODING, &s->pixel_encoding, 684 UNCOMPRESSED_COMPONENT_DEPTH, &s->component_depth); 685 686 REG_GET(DP_SYM32_ENC_SDP_CONTROL, 687 SDP_STREAM_ENABLE, &s->sdp_enabled); 688 689 switch (enc->inst) { 690 case 0: 691 REG_GET(DP_STREAM_MAPPER_CONTROL0, 692 DP_STREAM_LINK_TARGET, &s->mapped_to_link_enc); 693 break; 694 case 1: 695 REG_GET(DP_STREAM_MAPPER_CONTROL1, 696 DP_STREAM_LINK_TARGET, &s->mapped_to_link_enc); 697 break; 698 case 2: 699 REG_GET(DP_STREAM_MAPPER_CONTROL2, 700 DP_STREAM_LINK_TARGET, &s->mapped_to_link_enc); 701 break; 702 case 3: 703 REG_GET(DP_STREAM_MAPPER_CONTROL3, 704 DP_STREAM_LINK_TARGET, &s->mapped_to_link_enc); 705 break; 706 } 707 } 708 709 static void dcn31_set_hblank_min_symbol_width( 710 struct hpo_dp_stream_encoder *enc, 711 uint16_t width) 712 { 713 struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); 714 715 REG_SET(DP_SYM32_ENC_HBLANK_CONTROL, 0, 716 HBLANK_MINIMUM_SYMBOL_WIDTH, width); 717 } 718 719 static const struct hpo_dp_stream_encoder_funcs dcn30_str_enc_funcs = { 720 .enable_stream = dcn31_hpo_dp_stream_enc_enable_stream, 721 .dp_unblank = dcn31_hpo_dp_stream_enc_dp_unblank, 722 .dp_blank = dcn31_hpo_dp_stream_enc_dp_blank, 723 .disable = dcn31_hpo_dp_stream_enc_disable, 724 .set_stream_attribute = dcn31_hpo_dp_stream_enc_set_stream_attribute, 725 .update_dp_info_packets = dcn31_hpo_dp_stream_enc_update_dp_info_packets, 726 .stop_dp_info_packets = dcn31_hpo_dp_stream_enc_stop_dp_info_packets, 727 .dp_set_dsc_pps_info_packet = dcn31_hpo_dp_stream_enc_set_dsc_pps_info_packet, 728 .map_stream_to_link = dcn31_hpo_dp_stream_enc_map_stream_to_link, 729 .audio_mute_control = dcn31_hpo_dp_stream_enc_mute_control, 730 .dp_audio_setup = dcn31_hpo_dp_stream_enc_audio_setup, 731 .dp_audio_enable = dcn31_hpo_dp_stream_enc_audio_enable, 732 .dp_audio_disable = dcn31_hpo_dp_stream_enc_audio_disable, 733 .read_state = dcn31_hpo_dp_stream_enc_read_state, 734 .set_hblank_min_symbol_width = dcn31_set_hblank_min_symbol_width, 735 }; 736 737 void dcn31_hpo_dp_stream_encoder_construct( 738 struct dcn31_hpo_dp_stream_encoder *enc3, 739 struct dc_context *ctx, 740 struct dc_bios *bp, 741 uint32_t inst, 742 enum engine_id eng_id, 743 struct vpg *vpg, 744 struct apg *apg, 745 const struct dcn31_hpo_dp_stream_encoder_registers *regs, 746 const struct dcn31_hpo_dp_stream_encoder_shift *hpo_se_shift, 747 const struct dcn31_hpo_dp_stream_encoder_mask *hpo_se_mask) 748 { 749 enc3->base.funcs = &dcn30_str_enc_funcs; 750 enc3->base.ctx = ctx; 751 enc3->base.inst = inst; 752 enc3->base.id = eng_id; 753 enc3->base.bp = bp; 754 enc3->base.vpg = vpg; 755 enc3->base.apg = apg; 756 enc3->regs = regs; 757 enc3->hpo_se_shift = hpo_se_shift; 758 enc3->hpo_se_mask = hpo_se_mask; 759 } 760