1 /* 2 * Copyright (c) 2015 - 2017, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <stdio.h> 31 #include <unistd.h> 32 #include <string.h> 33 #include <sys/ioctl.h> 34 #include <ctype.h> 35 #include <fcntl.h> 36 #include <linux/videodev2.h> 37 #include <utils/debug.h> 38 #include <utils/sys.h> 39 #include <utils/formats.h> 40 41 #include <vector> 42 #include <map> 43 #include <utility> 44 45 #include "hw_hdmi.h" 46 47 #define __CLASS__ "HWHDMI" 48 49 namespace sdm { 50 51 #ifdef MDP_HDR_STREAM 52 static int32_t GetEOTF(const GammaTransfer &transfer) { 53 int32_t mdp_transfer = -1; 54 55 switch (transfer) { 56 case Transfer_SMPTE_ST2084: 57 mdp_transfer = MDP_HDR_EOTF_SMTPE_ST2084; 58 break; 59 case Transfer_HLG: 60 mdp_transfer = MDP_HDR_EOTF_HLG; 61 break; 62 default: 63 DLOGW("Unknown Transfer: %d", transfer); 64 } 65 66 return mdp_transfer; 67 } 68 69 static int32_t GetColoriMetry(const LayerBuffer & layer_buffer) { 70 bool is_yuv = layer_buffer.flags.video; 71 int32_t colorimetry = -1; 72 73 if (is_yuv) { 74 switch (layer_buffer.color_metadata.colorPrimaries) { 75 case ColorPrimaries_BT601_6_525: 76 case ColorPrimaries_BT601_6_625: 77 colorimetry = MDP_COLORIMETRY_YCBCR_ITU_R_BT_601; 78 break; 79 case ColorPrimaries_BT709_5: 80 colorimetry = MDP_COLORIMETRY_YCBCR_ITU_R_BT_709; 81 break; 82 case ColorPrimaries_BT2020: 83 colorimetry = MDP_COLORIMETRY_YCBCR_ITU_R_BT_2020_YCBCR; 84 break; 85 default: 86 DLOGW("Unknown color primary = %d for YUV", layer_buffer.color_metadata.colorPrimaries); 87 } 88 } 89 90 return colorimetry; 91 } 92 93 static int32_t GetPixelEncoding(const LayerBuffer &layer_buffer) { 94 bool is_yuv = layer_buffer.flags.video; 95 int32_t mdp_pixel_encoding = -1; 96 mdp_pixel_encoding = MDP_PIXEL_ENCODING_RGB; // set RGB as default 97 98 if (is_yuv) { 99 switch (layer_buffer.format) { 100 case kFormatYCbCr420SemiPlanarVenus: 101 case kFormatYCbCr420SPVenusUbwc: 102 case kFormatYCbCr420Planar: 103 case kFormatYCrCb420Planar: 104 case kFormatYCrCb420PlanarStride16: 105 case kFormatYCbCr420SemiPlanar: 106 case kFormatYCrCb420SemiPlanar: 107 case kFormatYCbCr420P010: 108 case kFormatYCbCr420TP10Ubwc: 109 mdp_pixel_encoding = MDP_PIXEL_ENCODING_YCBCR_420; 110 break; 111 case kFormatYCbCr422H2V1Packed: 112 case kFormatYCrCb422H2V1SemiPlanar: 113 case kFormatYCrCb422H1V2SemiPlanar: 114 case kFormatYCbCr422H2V1SemiPlanar: 115 case kFormatYCbCr422H1V2SemiPlanar: 116 mdp_pixel_encoding = MDP_PIXEL_ENCODING_YCBCR_422; 117 break; 118 default: // other yuv formats 119 DLOGW("New YUV format = %d, need to add support", layer_buffer.format); 120 break; 121 } 122 } 123 124 return mdp_pixel_encoding; 125 } 126 static int32_t GetBitsPerComponent(const LayerBuffer &layer_buffer) { 127 bool is_yuv = layer_buffer.flags.video; 128 bool is_10_bit = Is10BitFormat(layer_buffer.format); 129 int32_t mdp_bpc = -1; 130 131 if (is_yuv) { 132 mdp_bpc = is_10_bit ? MDP_YUV_10_BPC : MDP_YUV_8_BPC; 133 } else { 134 mdp_bpc = is_10_bit ? MDP_RGB_10_BPC : MDP_RGB_8_BPC; 135 } 136 137 return mdp_bpc; 138 } 139 140 static uint32_t GetRange(const ColorRange &range) { 141 return ((range == Range_Full) ? MDP_DYNAMIC_RANGE_VESA : MDP_DYNAMIC_RANGE_CEA); 142 } 143 144 static uint32_t GetContentType(const LayerBuffer &layer_buffer) { 145 return (layer_buffer.flags.video ? MDP_CONTENT_TYPE_VIDEO : MDP_CONTENT_TYPE_GRAPHICS); 146 } 147 #endif 148 149 static bool MapHDMIDisplayTiming(const msm_hdmi_mode_timing_info *mode, 150 fb_var_screeninfo *info) { 151 if (!mode || !info) { 152 return false; 153 } 154 155 info->reserved[0] = 0; 156 info->reserved[1] = 0; 157 info->reserved[2] = 0; 158 info->reserved[3] = (info->reserved[3] & 0xFFFF) | (mode->video_format << 16); 159 info->xoffset = 0; 160 info->yoffset = 0; 161 info->xres = mode->active_h; 162 info->yres = mode->active_v; 163 info->pixclock = (mode->pixel_freq) * 1000; 164 info->vmode = mode->interlaced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED; 165 info->right_margin = mode->front_porch_h; 166 info->hsync_len = mode->pulse_width_h; 167 info->left_margin = mode->back_porch_h; 168 info->lower_margin = mode->front_porch_v; 169 info->vsync_len = mode->pulse_width_v; 170 info->upper_margin = mode->back_porch_v; 171 172 info->grayscale = V4L2_PIX_FMT_RGB24; 173 // If the mode supports YUV420 set grayscale to the FOURCC value for YUV420. 174 std::bitset<32> pixel_formats = mode->pixel_formats; 175 if (pixel_formats[1]) { 176 info->grayscale = V4L2_PIX_FMT_NV12; 177 } 178 179 return true; 180 } 181 182 HWHDMI::HWHDMI(BufferSyncHandler *buffer_sync_handler, HWInfoInterface *hw_info_intf) 183 : HWDevice(buffer_sync_handler), hw_scan_info_(), active_config_index_(0) { 184 HWDevice::device_type_ = kDeviceHDMI; 185 HWDevice::device_name_ = "HDMI Display Device"; 186 HWDevice::hw_info_intf_ = hw_info_intf; 187 } 188 189 DisplayError HWHDMI::Init() { 190 DisplayError error = kErrorNone; 191 192 SetSourceProductInformation("vendor_name", "ro.product.manufacturer"); 193 SetSourceProductInformation("product_description", "ro.product.name"); 194 195 error = HWDevice::Init(); 196 if (error != kErrorNone) { 197 return error; 198 } 199 200 mdp_dest_scalar_data_.resize(hw_resource_.hw_dest_scalar_info.count); 201 202 error = ReadEDIDInfo(); 203 if (error != kErrorNone) { 204 Deinit(); 205 return error; 206 } 207 208 if (!IsResolutionFilePresent()) { 209 Deinit(); 210 return kErrorHardware; 211 } 212 213 error = ReadTimingInfo(); 214 if (error != kErrorNone) { 215 Deinit(); 216 return error; 217 } 218 219 ReadScanInfo(); 220 221 GetPanelS3DMode(); 222 223 s3d_mode_sdm_to_mdp_.insert(std::pair<HWS3DMode, msm_hdmi_s3d_mode> 224 (kS3DModeNone, HDMI_S3D_NONE)); 225 s3d_mode_sdm_to_mdp_.insert(std::pair<HWS3DMode, msm_hdmi_s3d_mode> 226 (kS3DModeLR, HDMI_S3D_SIDE_BY_SIDE)); 227 s3d_mode_sdm_to_mdp_.insert(std::pair<HWS3DMode, msm_hdmi_s3d_mode> 228 (kS3DModeRL, HDMI_S3D_SIDE_BY_SIDE)); 229 s3d_mode_sdm_to_mdp_.insert(std::pair<HWS3DMode, msm_hdmi_s3d_mode> 230 (kS3DModeTB, HDMI_S3D_TOP_AND_BOTTOM)); 231 s3d_mode_sdm_to_mdp_.insert(std::pair<HWS3DMode, msm_hdmi_s3d_mode> 232 (kS3DModeFP, HDMI_S3D_FRAME_PACKING)); 233 234 return error; 235 } 236 237 DisplayError HWHDMI::GetNumDisplayAttributes(uint32_t *count) { 238 *count = UINT32(hdmi_modes_.size()); 239 if (*count <= 0) { 240 return kErrorHardware; 241 } 242 243 return kErrorNone; 244 } 245 246 DisplayError HWHDMI::GetActiveConfig(uint32_t *active_config_index) { 247 *active_config_index = active_config_index_; 248 return kErrorNone; 249 } 250 251 DisplayError HWHDMI::ReadEDIDInfo() { 252 ssize_t length = -1; 253 char edid_str[kPageSize] = {'\0'}; 254 char edid_path[kMaxStringLength] = {'\0'}; 255 snprintf(edid_path, sizeof(edid_path), "%s%d/edid_modes", fb_path_, fb_node_index_); 256 int edid_file = Sys::open_(edid_path, O_RDONLY); 257 if (edid_file < 0) { 258 DLOGE("EDID file open failed."); 259 return kErrorHardware; 260 } 261 262 length = Sys::pread_(edid_file, edid_str, sizeof(edid_str)-1, 0); 263 if (length <= 0) { 264 DLOGE("%s: edid_modes file empty"); 265 return kErrorHardware; 266 } 267 Sys::close_(edid_file); 268 269 DLOGI("EDID mode string: %s", edid_str); 270 while (length > 1 && isspace(edid_str[length-1])) { 271 --length; 272 } 273 edid_str[length] = '\0'; 274 275 if (length > 0) { 276 // Get EDID modes from the EDID string 277 char *ptr = edid_str; 278 const uint32_t edid_count_max = 128; 279 char *tokens[edid_count_max] = { NULL }; 280 uint32_t hdmi_mode_count = 0; 281 282 ParseLine(ptr, tokens, edid_count_max, &hdmi_mode_count); 283 284 supported_video_modes_.resize(hdmi_mode_count); 285 286 hdmi_modes_.resize(hdmi_mode_count); 287 for (uint32_t i = 0; i < hdmi_mode_count; i++) { 288 hdmi_modes_[i] = UINT32(atoi(tokens[i])); 289 } 290 } 291 292 return kErrorNone; 293 } 294 295 DisplayError HWHDMI::GetDisplayAttributes(uint32_t index, 296 HWDisplayAttributes *display_attributes) { 297 DTRACE_SCOPED(); 298 299 if (index >= hdmi_modes_.size()) { 300 return kErrorNotSupported; 301 } 302 303 // Get the resolution info from the look up table 304 msm_hdmi_mode_timing_info *timing_mode = &supported_video_modes_[0]; 305 for (uint32_t i = 0; i < hdmi_modes_.size(); i++) { 306 msm_hdmi_mode_timing_info *cur = &supported_video_modes_[i]; 307 if (cur->video_format == hdmi_modes_[index]) { 308 timing_mode = cur; 309 break; 310 } 311 } 312 display_attributes->x_pixels = timing_mode->active_h; 313 display_attributes->y_pixels = timing_mode->active_v; 314 display_attributes->v_front_porch = timing_mode->front_porch_v; 315 display_attributes->v_back_porch = timing_mode->back_porch_v; 316 display_attributes->v_pulse_width = timing_mode->pulse_width_v; 317 uint32_t h_blanking = timing_mode->front_porch_h + timing_mode->back_porch_h + 318 timing_mode->pulse_width_h; 319 display_attributes->h_total = timing_mode->active_h + h_blanking; 320 display_attributes->x_dpi = 0; 321 display_attributes->y_dpi = 0; 322 display_attributes->fps = timing_mode->refresh_rate / 1000; 323 display_attributes->vsync_period_ns = UINT32(1000000000L / display_attributes->fps); 324 display_attributes->is_device_split = false; 325 if (display_attributes->x_pixels > hw_resource_.max_mixer_width) { 326 display_attributes->is_device_split = true; 327 display_attributes->h_total += h_blanking; 328 } 329 330 GetDisplayS3DSupport(index, display_attributes); 331 std::bitset<32> pixel_formats = timing_mode->pixel_formats; 332 333 display_attributes->is_yuv = pixel_formats[1]; 334 335 return kErrorNone; 336 } 337 338 DisplayError HWHDMI::SetDisplayAttributes(uint32_t index) { 339 DTRACE_SCOPED(); 340 341 if (index > hdmi_modes_.size()) { 342 return kErrorNotSupported; 343 } 344 345 // Variable screen info 346 fb_var_screeninfo vscreeninfo = {}; 347 if (Sys::ioctl_(device_fd_, FBIOGET_VSCREENINFO, &vscreeninfo) < 0) { 348 IOCTL_LOGE(FBIOGET_VSCREENINFO, device_type_); 349 return kErrorHardware; 350 } 351 352 DLOGI("GetInfo<Mode=%d %dx%d (%d,%d,%d),(%d,%d,%d) %dMHz>", vscreeninfo.reserved[3], 353 vscreeninfo.xres, vscreeninfo.yres, vscreeninfo.right_margin, vscreeninfo.hsync_len, 354 vscreeninfo.left_margin, vscreeninfo.lower_margin, vscreeninfo.vsync_len, 355 vscreeninfo.upper_margin, vscreeninfo.pixclock/1000000); 356 357 msm_hdmi_mode_timing_info *timing_mode = &supported_video_modes_[0]; 358 for (uint32_t i = 0; i < hdmi_modes_.size(); i++) { 359 msm_hdmi_mode_timing_info *cur = &supported_video_modes_[i]; 360 if (cur->video_format == hdmi_modes_[index]) { 361 timing_mode = cur; 362 break; 363 } 364 } 365 366 if (MapHDMIDisplayTiming(timing_mode, &vscreeninfo) == false) { 367 return kErrorParameters; 368 } 369 370 msmfb_metadata metadata = {}; 371 metadata.op = metadata_op_vic; 372 metadata.data.video_info_code = timing_mode->video_format; 373 if (Sys::ioctl_(device_fd_, MSMFB_METADATA_SET, &metadata) < 0) { 374 IOCTL_LOGE(MSMFB_METADATA_SET, device_type_); 375 return kErrorHardware; 376 } 377 378 DLOGI("SetInfo<Mode=%d %dx%d (%d,%d,%d),(%d,%d,%d) %dMHz>", vscreeninfo.reserved[3] & 0xFF00, 379 vscreeninfo.xres, vscreeninfo.yres, vscreeninfo.right_margin, vscreeninfo.hsync_len, 380 vscreeninfo.left_margin, vscreeninfo.lower_margin, vscreeninfo.vsync_len, 381 vscreeninfo.upper_margin, vscreeninfo.pixclock/1000000); 382 383 vscreeninfo.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_ALL | FB_ACTIVATE_FORCE; 384 if (Sys::ioctl_(device_fd_, FBIOPUT_VSCREENINFO, &vscreeninfo) < 0) { 385 IOCTL_LOGE(FBIOPUT_VSCREENINFO, device_type_); 386 return kErrorHardware; 387 } 388 389 active_config_index_ = index; 390 391 frame_rate_ = timing_mode->refresh_rate; 392 393 // Get the display attributes for current active config index 394 GetDisplayAttributes(active_config_index_, &display_attributes_); 395 UpdateMixerAttributes(); 396 397 supported_s3d_modes_.clear(); 398 supported_s3d_modes_.push_back(kS3DModeNone); 399 for (uint32_t mode = kS3DModeNone + 1; mode < kS3DModeMax; mode ++) { 400 if (display_attributes_.s3d_config[(HWS3DMode)mode]) { 401 supported_s3d_modes_.push_back((HWS3DMode)mode); 402 } 403 } 404 405 SetS3DMode(kS3DModeNone); 406 407 return kErrorNone; 408 } 409 410 DisplayError HWHDMI::GetConfigIndex(uint32_t mode, uint32_t *index) { 411 // Check if the mode is valid and return corresponding index 412 for (uint32_t i = 0; i < hdmi_modes_.size(); i++) { 413 if (hdmi_modes_[i] == mode) { 414 *index = i; 415 DLOGI("Index = %d for config = %d", *index, mode); 416 return kErrorNone; 417 } 418 } 419 420 DLOGE("Config = %d not supported", mode); 421 return kErrorNotSupported; 422 } 423 424 DisplayError HWHDMI::Validate(HWLayers *hw_layers) { 425 HWDevice::ResetDisplayParams(); 426 return HWDevice::Validate(hw_layers); 427 } 428 429 DisplayError HWHDMI::Commit(HWLayers *hw_layers) { 430 DisplayError error = UpdateHDRMetaData(hw_layers); 431 if (error != kErrorNone) { 432 return error; 433 } 434 435 return HWDevice::Commit(hw_layers); 436 } 437 438 DisplayError HWHDMI::GetHWScanInfo(HWScanInfo *scan_info) { 439 if (!scan_info) { 440 return kErrorParameters; 441 } 442 *scan_info = hw_scan_info_; 443 return kErrorNone; 444 } 445 446 DisplayError HWHDMI::GetVideoFormat(uint32_t config_index, uint32_t *video_format) { 447 if (config_index > hdmi_modes_.size()) { 448 return kErrorNotSupported; 449 } 450 451 *video_format = hdmi_modes_[config_index]; 452 453 return kErrorNone; 454 } 455 456 DisplayError HWHDMI::GetMaxCEAFormat(uint32_t *max_cea_format) { 457 *max_cea_format = HDMI_VFRMT_END; 458 459 return kErrorNone; 460 } 461 462 DisplayError HWHDMI::OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level) { 463 DisplayError error = kErrorNone; 464 int fd = -1; 465 char data[kMaxStringLength] = {'\0'}; 466 467 snprintf(data, sizeof(data), "%s%d/hdcp2p2/min_level_change", fb_path_, fb_node_index_); 468 469 fd = Sys::open_(data, O_WRONLY); 470 if (fd < 0) { 471 DLOGW("File '%s' could not be opened.", data); 472 return kErrorHardware; 473 } 474 475 snprintf(data, sizeof(data), "%d", min_enc_level); 476 477 ssize_t err = Sys::pwrite_(fd, data, strlen(data), 0); 478 if (err <= 0) { 479 DLOGE("Write failed, Error = %s", strerror(errno)); 480 error = kErrorHardware; 481 } 482 483 Sys::close_(fd); 484 485 return error; 486 } 487 488 HWScanSupport HWHDMI::MapHWScanSupport(uint32_t value) { 489 switch (value) { 490 // TODO(user): Read the scan type from driver defined values instead of hardcoding 491 case 0: 492 return kScanNotSupported; 493 case 1: 494 return kScanAlwaysOverscanned; 495 case 2: 496 return kScanAlwaysUnderscanned; 497 case 3: 498 return kScanBoth; 499 default: 500 return kScanNotSupported; 501 break; 502 } 503 } 504 505 void HWHDMI::ReadScanInfo() { 506 int scan_info_file = -1; 507 ssize_t len = -1; 508 char data[kPageSize] = {'\0'}; 509 510 snprintf(data, sizeof(data), "%s%d/scan_info", fb_path_, fb_node_index_); 511 scan_info_file = Sys::open_(data, O_RDONLY); 512 if (scan_info_file < 0) { 513 DLOGW("File '%s' not found.", data); 514 return; 515 } 516 517 memset(&data[0], 0, sizeof(data)); 518 len = Sys::pread_(scan_info_file, data, sizeof(data) - 1, 0); 519 if (len <= 0) { 520 Sys::close_(scan_info_file); 521 DLOGW("File %s%d/scan_info is empty.", fb_path_, fb_node_index_); 522 return; 523 } 524 data[len] = '\0'; 525 Sys::close_(scan_info_file); 526 527 const uint32_t scan_info_max_count = 3; 528 uint32_t scan_info_count = 0; 529 char *tokens[scan_info_max_count] = { NULL }; 530 ParseLine(data, tokens, scan_info_max_count, &scan_info_count); 531 if (scan_info_count != scan_info_max_count) { 532 DLOGW("Failed to parse scan info string %s", data); 533 return; 534 } 535 536 hw_scan_info_.pt_scan_support = MapHWScanSupport(UINT32(atoi(tokens[0]))); 537 hw_scan_info_.it_scan_support = MapHWScanSupport(UINT32(atoi(tokens[1]))); 538 hw_scan_info_.cea_scan_support = MapHWScanSupport(UINT32(atoi(tokens[2]))); 539 DLOGI("PT %d IT %d CEA %d", hw_scan_info_.pt_scan_support, hw_scan_info_.it_scan_support, 540 hw_scan_info_.cea_scan_support); 541 } 542 543 int HWHDMI::OpenResolutionFile(int file_mode) { 544 char file_path[kMaxStringLength]; 545 memset(file_path, 0, sizeof(file_path)); 546 snprintf(file_path , sizeof(file_path), "%s%d/res_info", fb_path_, fb_node_index_); 547 548 int fd = Sys::open_(file_path, file_mode); 549 550 if (fd < 0) { 551 DLOGE("file '%s' not found : ret = %d err str: %s", file_path, fd, strerror(errno)); 552 } 553 554 return fd; 555 } 556 557 // Method to request HDMI driver to write a new page of timing info into res_info node 558 void HWHDMI::RequestNewPage(uint32_t page_number) { 559 char page_string[kPageSize]; 560 int fd = OpenResolutionFile(O_WRONLY); 561 if (fd < 0) { 562 return; 563 } 564 565 snprintf(page_string, sizeof(page_string), "%d", page_number); 566 567 DLOGI_IF(kTagDriverConfig, "page=%s", page_string); 568 569 ssize_t err = Sys::pwrite_(fd, page_string, sizeof(page_string), 0); 570 if (err <= 0) { 571 DLOGE("Write to res_info failed (%s)", strerror(errno)); 572 } 573 574 Sys::close_(fd); 575 } 576 577 // Reads the contents of res_info node into a buffer if the file is not empty 578 bool HWHDMI::ReadResolutionFile(char *config_buffer) { 579 ssize_t bytes_read = 0; 580 int fd = OpenResolutionFile(O_RDONLY); 581 if (fd >= 0) { 582 bytes_read = Sys::pread_(fd, config_buffer, kPageSize, 0); 583 Sys::close_(fd); 584 } 585 586 DLOGI_IF(kTagDriverConfig, "bytes_read = %d", bytes_read); 587 588 return (bytes_read > 0); 589 } 590 591 // Populates the internal timing info structure with the timing info obtained 592 // from the HDMI driver 593 DisplayError HWHDMI::ReadTimingInfo() { 594 uint32_t config_index = 0; 595 uint32_t page_number = MSM_HDMI_INIT_RES_PAGE; 596 uint32_t size = sizeof(msm_hdmi_mode_timing_info); 597 598 while (true) { 599 char config_buffer[kPageSize] = {0}; 600 msm_hdmi_mode_timing_info *info = reinterpret_cast<msm_hdmi_mode_timing_info *>(config_buffer); 601 RequestNewPage(page_number); 602 603 if (!ReadResolutionFile(config_buffer)) { 604 break; 605 } 606 607 while (info->video_format && size < kPageSize && config_index < hdmi_modes_.size()) { 608 supported_video_modes_[config_index] = *info; 609 size += sizeof(msm_hdmi_mode_timing_info); 610 611 DLOGI_IF(kTagDriverConfig, "Config=%d Mode %d: (%dx%d) @ %d, pixel formats %d", 612 config_index, 613 supported_video_modes_[config_index].video_format, 614 supported_video_modes_[config_index].active_h, 615 supported_video_modes_[config_index].active_v, 616 supported_video_modes_[config_index].refresh_rate, 617 supported_video_modes_[config_index].pixel_formats); 618 619 info++; 620 config_index++; 621 } 622 623 size = sizeof(msm_hdmi_mode_timing_info); 624 // Request HDMI driver to populate res_info with more 625 // timing information 626 page_number++; 627 } 628 629 if (page_number == MSM_HDMI_INIT_RES_PAGE || config_index == 0) { 630 DLOGE("No timing information found."); 631 return kErrorHardware; 632 } 633 634 return kErrorNone; 635 } 636 637 bool HWHDMI::IsResolutionFilePresent() { 638 bool is_file_present = false; 639 int fd = OpenResolutionFile(O_RDONLY); 640 if (fd >= 0) { 641 is_file_present = true; 642 Sys::close_(fd); 643 } 644 645 return is_file_present; 646 } 647 648 void HWHDMI::SetSourceProductInformation(const char *node, const char *name) { 649 char property_value[kMaxStringLength]; 650 char sys_fs_path[kMaxStringLength]; 651 int hdmi_node_index = GetFBNodeIndex(kDeviceHDMI); 652 if (hdmi_node_index < 0) { 653 return; 654 } 655 656 ssize_t length = 0; 657 bool prop_read_success = Debug::GetProperty(name, property_value); 658 if (!prop_read_success) { 659 return; 660 } 661 662 snprintf(sys_fs_path , sizeof(sys_fs_path), "%s%d/%s", fb_path_, hdmi_node_index, node); 663 length = HWDevice::SysFsWrite(sys_fs_path, property_value, 664 static_cast<ssize_t>(strlen(property_value))); 665 if (length <= 0) { 666 DLOGW("Failed to write %s = %s", node, property_value); 667 } 668 } 669 670 DisplayError HWHDMI::GetDisplayS3DSupport(uint32_t index, 671 HWDisplayAttributes *attrib) { 672 ssize_t length = -1; 673 char edid_s3d_str[kPageSize] = {'\0'}; 674 char edid_s3d_path[kMaxStringLength] = {'\0'}; 675 snprintf(edid_s3d_path, sizeof(edid_s3d_path), "%s%d/edid_3d_modes", fb_path_, fb_node_index_); 676 677 if (index > hdmi_modes_.size()) { 678 return kErrorNotSupported; 679 } 680 681 attrib->s3d_config[kS3DModeNone] = 1; 682 683 // Three level inception! 684 // The string looks like 16=SSH,4=FP:TAB:SSH,5=FP:SSH,32=FP:TAB:SSH 685 // Initialize all the pointers to NULL to avoid crash in function strtok_r() 686 char *saveptr_l1 = NULL, *saveptr_l2 = NULL, *saveptr_l3 = NULL; 687 char *l1 = NULL, *l2 = NULL, *l3 = NULL; 688 689 int edid_s3d_node = Sys::open_(edid_s3d_path, O_RDONLY); 690 if (edid_s3d_node < 0) { 691 DLOGW("%s could not be opened : %s", edid_s3d_path, strerror(errno)); 692 return kErrorNotSupported; 693 } 694 695 length = Sys::pread_(edid_s3d_node, edid_s3d_str, sizeof(edid_s3d_str)-1, 0); 696 if (length <= 0) { 697 Sys::close_(edid_s3d_node); 698 return kErrorNotSupported; 699 } 700 701 l1 = strtok_r(edid_s3d_str, ",", &saveptr_l1); 702 while (l1 != NULL) { 703 l2 = strtok_r(l1, "=", &saveptr_l2); 704 if (l2 != NULL) { 705 if (hdmi_modes_[index] == (uint32_t)atoi(l2)) { 706 l3 = strtok_r(saveptr_l2, ":", &saveptr_l3); 707 while (l3 != NULL) { 708 if (strncmp("SSH", l3, strlen("SSH")) == 0) { 709 attrib->s3d_config[kS3DModeLR] = 1; 710 attrib->s3d_config[kS3DModeRL] = 1; 711 } else if (strncmp("TAB", l3, strlen("TAB")) == 0) { 712 attrib->s3d_config[kS3DModeTB] = 1; 713 } else if (strncmp("FP", l3, strlen("FP")) == 0) { 714 attrib->s3d_config[kS3DModeFP] = 1; 715 } 716 l3 = strtok_r(NULL, ":", &saveptr_l3); 717 } 718 } 719 } 720 l1 = strtok_r(NULL, ",", &saveptr_l1); 721 } 722 723 Sys::close_(edid_s3d_node); 724 return kErrorNone; 725 } 726 727 bool HWHDMI::IsSupportedS3DMode(HWS3DMode s3d_mode) { 728 for (uint32_t i = 0; i < supported_s3d_modes_.size(); i++) { 729 if (supported_s3d_modes_[i] == s3d_mode) { 730 return true; 731 } 732 } 733 return false; 734 } 735 736 DisplayError HWHDMI::SetS3DMode(HWS3DMode s3d_mode) { 737 if (!IsSupportedS3DMode(s3d_mode)) { 738 DLOGW("S3D mode is not supported s3d_mode = %d", s3d_mode); 739 return kErrorNotSupported; 740 } 741 742 std::map<HWS3DMode, msm_hdmi_s3d_mode>::iterator it = s3d_mode_sdm_to_mdp_.find(s3d_mode); 743 if (it == s3d_mode_sdm_to_mdp_.end()) { 744 return kErrorNotSupported; 745 } 746 msm_hdmi_s3d_mode s3d_mdp_mode = it->second; 747 748 if (active_mdp_s3d_mode_ == s3d_mdp_mode) { 749 // HDMI_S3D_SIDE_BY_SIDE is an mdp mapping for kS3DModeLR and kS3DModeRL s3d modes. So no need 750 // to update the s3d_mode node. hw_panel_info needs to be updated to differentiate these two s3d 751 // modes in strategy 752 hw_panel_info_.s3d_mode = s3d_mode; 753 return kErrorNone; 754 } 755 756 ssize_t length = -1; 757 char s3d_mode_path[kMaxStringLength] = {'\0'}; 758 char s3d_mode_string[kMaxStringLength] = {'\0'}; 759 snprintf(s3d_mode_path, sizeof(s3d_mode_path), "%s%d/s3d_mode", fb_path_, fb_node_index_); 760 761 int s3d_mode_node = Sys::open_(s3d_mode_path, O_RDWR); 762 if (s3d_mode_node < 0) { 763 DLOGW("%s could not be opened : %s", s3d_mode_path, strerror(errno)); 764 return kErrorNotSupported; 765 } 766 767 snprintf(s3d_mode_string, sizeof(s3d_mode_string), "%d", s3d_mdp_mode); 768 length = Sys::pwrite_(s3d_mode_node, s3d_mode_string, sizeof(s3d_mode_string), 0); 769 if (length <= 0) { 770 DLOGW("Failed to write into s3d node: %s", strerror(errno)); 771 Sys::close_(s3d_mode_node); 772 return kErrorNotSupported; 773 } 774 775 active_mdp_s3d_mode_ = s3d_mdp_mode; 776 hw_panel_info_.s3d_mode = s3d_mode; 777 Sys::close_(s3d_mode_node); 778 779 DLOGI_IF(kTagDriverConfig, "Set s3d mode %d", hw_panel_info_.s3d_mode); 780 return kErrorNone; 781 } 782 783 DisplayError HWHDMI::GetPanelS3DMode() { 784 ssize_t length = -1; 785 char s3d_mode_path[kMaxStringLength] = {'\0'}; 786 char s3d_mode_string[kMaxStringLength] = {'\0'}; 787 snprintf(s3d_mode_path, sizeof(s3d_mode_path), "%s%d/s3d_mode", fb_path_, fb_node_index_); 788 int panel_s3d_mode = 0; 789 790 int s3d_mode_node = Sys::open_(s3d_mode_path, O_RDWR); 791 if (s3d_mode_node < 0) { 792 DLOGE("%s could not be opened : %s", s3d_mode_path, strerror(errno)); 793 return kErrorNotSupported; 794 } 795 796 length = Sys::pread_(s3d_mode_node, s3d_mode_string, sizeof(s3d_mode_string), 0); 797 if (length <= 0) { 798 DLOGE("Failed read s3d node: %s", strerror(errno)); 799 Sys::close_(s3d_mode_node); 800 return kErrorNotSupported; 801 } 802 803 panel_s3d_mode = atoi(s3d_mode_string); 804 if (panel_s3d_mode < HDMI_S3D_NONE || panel_s3d_mode >= HDMI_S3D_MAX) { 805 Sys::close_(s3d_mode_node); 806 DLOGW("HDMI panel S3D mode is not supported panel_s3d_mode = %d", panel_s3d_mode); 807 return kErrorUndefined; 808 } 809 810 active_mdp_s3d_mode_ = static_cast<msm_hdmi_s3d_mode>(panel_s3d_mode); 811 Sys::close_(s3d_mode_node); 812 813 DLOGI_IF(kTagDriverConfig, "Get HDMI panel s3d mode %d", active_mdp_s3d_mode_); 814 return kErrorNone; 815 } 816 817 DisplayError HWHDMI::GetDynamicFrameRateMode(uint32_t refresh_rate, uint32_t *mode, 818 DynamicFPSData *data, uint32_t *config_index) { 819 msm_hdmi_mode_timing_info *cur = NULL; 820 msm_hdmi_mode_timing_info *dst = NULL; 821 uint32_t i = 0; 822 int pre_refresh_rate_diff = 0; 823 bool pre_unstd_mode = false; 824 825 for (i = 0; i < hdmi_modes_.size(); i++) { 826 msm_hdmi_mode_timing_info *timing_mode = &supported_video_modes_[i]; 827 if (timing_mode->video_format == hdmi_modes_[active_config_index_]) { 828 cur = timing_mode; 829 break; 830 } 831 } 832 833 if (cur == NULL) { 834 DLOGE("can't find timing info for active config index(%d)", active_config_index_); 835 return kErrorUndefined; 836 } 837 838 if (cur->refresh_rate != frame_rate_) { 839 pre_unstd_mode = true; 840 } 841 842 if (i >= hdmi_modes_.size()) { 843 return kErrorNotSupported; 844 } 845 846 dst = cur; 847 pre_refresh_rate_diff = static_cast<int>(dst->refresh_rate) - static_cast<int>(refresh_rate); 848 849 for (i = 0; i < hdmi_modes_.size(); i++) { 850 msm_hdmi_mode_timing_info *timing_mode = &supported_video_modes_[i]; 851 if (cur->active_h == timing_mode->active_h && 852 cur->active_v == timing_mode->active_v && 853 cur->pixel_formats == timing_mode->pixel_formats ) { 854 int cur_refresh_rate_diff = static_cast<int>(timing_mode->refresh_rate) - 855 static_cast<int>(refresh_rate); 856 if (abs(pre_refresh_rate_diff) > abs(cur_refresh_rate_diff)) { 857 pre_refresh_rate_diff = cur_refresh_rate_diff; 858 dst = timing_mode; 859 } 860 } 861 } 862 863 if (pre_refresh_rate_diff > kThresholdRefreshRate) { 864 return kErrorNotSupported; 865 } 866 867 GetConfigIndex(dst->video_format, config_index); 868 869 data->hor_front_porch = dst->front_porch_h; 870 data->hor_back_porch = dst->back_porch_h; 871 data->hor_pulse_width = dst->pulse_width_h; 872 data->clk_rate_hz = dst->pixel_freq; 873 data->fps = refresh_rate; 874 875 if (dst->front_porch_h != cur->front_porch_h) { 876 *mode = kModeHFP; 877 } 878 879 if (dst->refresh_rate != refresh_rate || dst->pixel_freq != cur->pixel_freq) { 880 if (*mode == kModeHFP) { 881 if (dst->refresh_rate != refresh_rate) { 882 *mode = kModeHFPCalcClock; 883 } else { 884 *mode = kModeClockHFP; 885 } 886 } else { 887 *mode = kModeClock; 888 } 889 } 890 891 if (pre_unstd_mode && (*mode == kModeHFP)) { 892 *mode = kModeClockHFP; 893 } 894 895 return kErrorNone; 896 } 897 898 DisplayError HWHDMI::SetRefreshRate(uint32_t refresh_rate) { 899 char mode_path[kMaxStringLength] = {0}; 900 char node_path[kMaxStringLength] = {0}; 901 uint32_t mode = kModeClock; 902 uint32_t config_index = 0; 903 DynamicFPSData data; 904 DisplayError error = kErrorNone; 905 906 if (refresh_rate == frame_rate_) { 907 return error; 908 } 909 910 error = GetDynamicFrameRateMode(refresh_rate, &mode, &data, &config_index); 911 if (error != kErrorNone) { 912 return error; 913 } 914 915 snprintf(mode_path, sizeof(mode_path), "%s%d/msm_fb_dfps_mode", fb_path_, fb_node_index_); 916 snprintf(node_path, sizeof(node_path), "%s%d/dynamic_fps", fb_path_, fb_node_index_); 917 918 int fd_mode = Sys::open_(mode_path, O_WRONLY); 919 if (fd_mode < 0) { 920 DLOGE("Failed to open %s with error %s", mode_path, strerror(errno)); 921 return kErrorFileDescriptor; 922 } 923 924 char dfps_mode[kMaxStringLength]; 925 snprintf(dfps_mode, sizeof(dfps_mode), "%d", mode); 926 DLOGI_IF(kTagDriverConfig, "Setting dfps_mode = %d", mode); 927 ssize_t len = Sys::pwrite_(fd_mode, dfps_mode, strlen(dfps_mode), 0); 928 if (len < 0) { 929 DLOGE("Failed to enable dfps mode %d with error %s", mode, strerror(errno)); 930 Sys::close_(fd_mode); 931 return kErrorUndefined; 932 } 933 Sys::close_(fd_mode); 934 935 int fd_node = Sys::open_(node_path, O_WRONLY); 936 if (fd_node < 0) { 937 DLOGE("Failed to open %s with error %s", node_path, strerror(errno)); 938 return kErrorFileDescriptor; 939 } 940 941 char refresh_rate_string[kMaxStringLength]; 942 if (mode == kModeHFP || mode == kModeClock) { 943 snprintf(refresh_rate_string, sizeof(refresh_rate_string), "%d", data.fps); 944 DLOGI_IF(kTagDriverConfig, "Setting refresh rate = %d", data.fps); 945 } else { 946 snprintf(refresh_rate_string, sizeof(refresh_rate_string), "%d %d %d %d %d", 947 data.hor_front_porch, data.hor_back_porch, data.hor_pulse_width, 948 data.clk_rate_hz, data.fps); 949 } 950 len = Sys::pwrite_(fd_node, refresh_rate_string, strlen(refresh_rate_string), 0); 951 if (len < 0) { 952 DLOGE("Failed to write %d with error %s", refresh_rate, strerror(errno)); 953 Sys::close_(fd_node); 954 return kErrorUndefined; 955 } 956 Sys::close_(fd_node); 957 958 error = ReadTimingInfo(); 959 if (error != kErrorNone) { 960 return error; 961 } 962 963 GetDisplayAttributes(config_index, &display_attributes_); 964 UpdateMixerAttributes(); 965 966 frame_rate_ = refresh_rate; 967 active_config_index_ = config_index; 968 969 DLOGI_IF(kTagDriverConfig, "config_index(%d) Mode(%d) frame_rate(%d)", 970 config_index, 971 mode, 972 frame_rate_); 973 974 return kErrorNone; 975 } 976 977 void HWHDMI::UpdateMixerAttributes() { 978 mixer_attributes_.width = display_attributes_.x_pixels; 979 mixer_attributes_.height = display_attributes_.y_pixels; 980 mixer_attributes_.split_left = display_attributes_.is_device_split ? 981 (display_attributes_.x_pixels / 2) : mixer_attributes_.width; 982 } 983 984 DisplayError HWHDMI::UpdateHDRMetaData(HWLayers *hw_layers) { 985 const HWHDRLayerInfo &hdr_layer_info = hw_layers->info.hdr_layer_info; 986 if (!hw_panel_info_.hdr_enabled || hdr_layer_info.operation == HWHDRLayerInfo::kNoOp) { 987 return kErrorNone; 988 } 989 990 DisplayError error = kErrorNone; 991 992 #ifdef MDP_HDR_STREAM 993 char hdr_stream_path[kMaxStringLength] = {}; 994 snprintf(hdr_stream_path, sizeof(hdr_stream_path), "%s%d/hdr_stream", fb_path_, fb_node_index_); 995 996 int fd = Sys::open_(hdr_stream_path, O_WRONLY); 997 if (fd < 0) { 998 DLOGE("Failed to open %s with error %s", hdr_stream_path, strerror(errno)); 999 return kErrorFileDescriptor; 1000 } 1001 1002 Layer hdr_layer = {}; 1003 if (hdr_layer_info.operation == HWHDRLayerInfo::kSet && hdr_layer_info.layer_index > -1) { 1004 hdr_layer = *(hw_layers->info.stack->layers.at(UINT32(hdr_layer_info.layer_index))); 1005 } 1006 1007 const LayerBuffer *layer_buffer = &hdr_layer.input_buffer; 1008 const MasteringDisplay &mastering_display = layer_buffer->color_metadata.masteringDisplayInfo; 1009 const ContentLightLevel &light_level = layer_buffer->color_metadata.contentLightLevel; 1010 const Primaries &primaries = mastering_display.primaries; 1011 1012 mdp_hdr_stream hdr_stream = {}; 1013 if (hdr_layer_info.operation == HWHDRLayerInfo::kSet) { 1014 int32_t eotf = GetEOTF(layer_buffer->color_metadata.transfer); 1015 hdr_stream.eotf = (eotf < 0) ? 0 : UINT32(eotf); 1016 hdr_stream.white_point_x = primaries.whitePoint[0]; 1017 hdr_stream.white_point_y = primaries.whitePoint[1]; 1018 hdr_stream.display_primaries_x[0] = primaries.rgbPrimaries[0][0]; 1019 hdr_stream.display_primaries_y[0] = primaries.rgbPrimaries[0][1]; 1020 hdr_stream.display_primaries_x[1] = primaries.rgbPrimaries[1][0]; 1021 hdr_stream.display_primaries_y[1] = primaries.rgbPrimaries[1][1]; 1022 hdr_stream.display_primaries_x[2] = primaries.rgbPrimaries[2][0]; 1023 hdr_stream.display_primaries_y[2] = primaries.rgbPrimaries[2][1]; 1024 hdr_stream.min_luminance = mastering_display.minDisplayLuminance; 1025 hdr_stream.max_luminance = mastering_display.maxDisplayLuminance/10000; 1026 hdr_stream.max_content_light_level = light_level.maxContentLightLevel; 1027 hdr_stream.max_average_light_level = light_level.minPicAverageLightLevel; 1028 // DP related 1029 int32_t pixel_encoding = GetPixelEncoding(hdr_layer.input_buffer); 1030 hdr_stream.pixel_encoding = (pixel_encoding < 0) ? 0 : UINT32(pixel_encoding); 1031 int32_t colorimetry = GetColoriMetry(hdr_layer.input_buffer); 1032 hdr_stream.colorimetry = (colorimetry < 0) ? 0 : UINT32(colorimetry); 1033 hdr_stream.range = GetRange(hdr_layer.input_buffer.color_metadata.range); 1034 int32_t bits_per_component = GetBitsPerComponent(hdr_layer.input_buffer); 1035 hdr_stream.bits_per_component = (bits_per_component < 0) ? 0 : UINT32(bits_per_component); 1036 hdr_stream.content_type = GetContentType(hdr_layer.input_buffer); 1037 1038 DLOGV_IF(kTagDriverConfig, "HDR Stream : MaxDisplayLuminance = %d MinDisplayLuminance = %d\n" 1039 "MaxContentLightLevel = %d MaxAverageLightLevel = %d Red_x = %d Red_y = %d Green_x = %d\n" 1040 "Green_y = %d Blue_x = %d Blue_y = %d WhitePoint_x = %d WhitePoint_y = %d EOTF = %d\n" 1041 "PixelEncoding = %d Colorimetry = %d Range = %d BPC = %d ContentType = %d", 1042 hdr_stream.max_luminance, hdr_stream.min_luminance, hdr_stream.max_content_light_level, 1043 hdr_stream.max_average_light_level, hdr_stream.display_primaries_x[0], 1044 hdr_stream.display_primaries_y[0], hdr_stream.display_primaries_x[1], 1045 hdr_stream.display_primaries_y[1], hdr_stream.display_primaries_x[2], 1046 hdr_stream.display_primaries_y[2], hdr_stream.white_point_x, hdr_stream.white_point_x, 1047 hdr_stream.eotf, hdr_stream.pixel_encoding, hdr_stream.colorimetry, hdr_stream.range, 1048 hdr_stream.bits_per_component, hdr_stream.content_type); 1049 } 1050 1051 const void *hdr_metadata = reinterpret_cast<const void*>(&hdr_stream); 1052 ssize_t len = Sys::pwrite_(fd, hdr_metadata, sizeof(hdr_stream), 0); 1053 if (len <= 0) { 1054 DLOGE("Failed to write hdr_metadata"); 1055 error = kErrorUndefined; 1056 } 1057 Sys::close_(fd); 1058 #endif 1059 1060 return error; 1061 } 1062 1063 } // namespace sdm 1064 1065
