1 /* 2 * Copyright (c) 2012-2014, 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 #include <cutils/log.h> 30 #include <linux/msm_mdp.h> 31 #include "mdp_version.h" 32 33 #define DEBUG 0 34 35 ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::MDPVersion); 36 namespace qdutils { 37 38 #define TOKEN_PARAMS_DELIM "=" 39 40 #ifndef MDSS_MDP_HW_REV_100 41 #define MDSS_MDP_HW_REV_100 0x10000000 //8974 v1 42 #endif 43 #ifndef MDSS_MDP_HW_REV_101 44 #define MDSS_MDP_HW_REV_101 0x10010000 //8x26 45 #endif 46 #ifndef MDSS_MDP_HW_REV_102 47 #define MDSS_MDP_HW_REV_102 0x10020000 //8974 v2 48 #endif 49 #ifndef MDSS_MDP_HW_REV_103 50 #define MDSS_MDP_HW_REV_103 0x10030000 //8084 51 #endif 52 #ifndef MDSS_MDP_HW_REV_104 53 #define MDSS_MDP_HW_REV_104 0x10040000 //Next version 54 #endif 55 #ifndef MDSS_MDP_HW_REV_105 56 #define MDSS_MDP_HW_REV_105 0x10050000 //8994 57 #endif 58 #ifndef MDSS_MDP_HW_REV_106 59 #define MDSS_MDP_HW_REV_106 0x10060000 //8x16 60 #endif 61 #ifndef MDSS_MDP_HW_REV_107 62 #define MDSS_MDP_HW_REV_107 0x10070000 //Next version 63 #endif 64 #ifndef MDSS_MDP_HW_REV_108 65 #define MDSS_MDP_HW_REV_108 0x10080000 //8x39 & 8x36 66 #endif 67 #ifndef MDSS_MDP_HW_REV_109 68 #define MDSS_MDP_HW_REV_109 0x10090000 //Next version 69 #endif 70 #ifndef MDSS_MDP_HW_REV_200 71 #define MDSS_MDP_HW_REV_200 0x20000000 //8092 72 #endif 73 #ifndef MDSS_MDP_HW_REV_206 74 #define MDSS_MDP_HW_REV_206 0x20060000 //Future 75 #endif 76 77 MDPVersion::MDPVersion() 78 { 79 mMDPVersion = MDSS_V5; 80 mMdpRev = 0; 81 mRGBPipes = 0; 82 mVGPipes = 0; 83 mDMAPipes = 0; 84 mFeatures = 0; 85 mMDPUpscale = 0; 86 mMDPDownscale = 0; 87 mMacroTileEnabled = false; 88 mLowBw = 0; 89 mHighBw = 0; 90 mSourceSplit = false; 91 mSourceSplitAlways = false; 92 mRGBHasNoScalar = false; 93 mRotDownscale = false; 94 95 updatePanelInfo(); 96 97 if(!updateSysFsInfo()) { 98 ALOGE("Unable to read display sysfs node"); 99 } 100 if (mMdpRev == MDP_V3_0_4){ 101 mMDPVersion = MDP_V3_0_4; 102 } 103 104 mHasOverlay = false; 105 if((mMDPVersion >= MDP_V4_0) || 106 (mMDPVersion == MDP_V_UNKNOWN) || 107 (mMDPVersion == MDP_V3_0_4)) 108 mHasOverlay = true; 109 if(!updateSplitInfo()) { 110 ALOGE("Unable to read display split node"); 111 } 112 } 113 114 MDPVersion::~MDPVersion() { 115 close(mFd); 116 } 117 118 int MDPVersion::tokenizeParams(char *inputParams, const char *delim, 119 char* tokenStr[], int *idx) { 120 char *tmp_token = NULL; 121 char *temp_ptr; 122 int index = 0; 123 if (!inputParams) { 124 return -1; 125 } 126 tmp_token = strtok_r(inputParams, delim, &temp_ptr); 127 while (tmp_token != NULL) { 128 tokenStr[index++] = tmp_token; 129 tmp_token = strtok_r(NULL, " ", &temp_ptr); 130 } 131 *idx = index; 132 return 0; 133 } 134 // This function reads the sysfs node to read the primary panel type 135 // and updates information accordingly 136 void MDPVersion::updatePanelInfo() { 137 FILE *displayDeviceFP = NULL; 138 FILE *panelInfoNodeFP = NULL; 139 const int MAX_FRAME_BUFFER_NAME_SIZE = 128; 140 char fbType[MAX_FRAME_BUFFER_NAME_SIZE]; 141 const char *strCmdPanel = "mipi dsi cmd panel"; 142 const char *strVideoPanel = "mipi dsi video panel"; 143 const char *strLVDSPanel = "lvds panel"; 144 const char *strEDPPanel = "edp panel"; 145 146 displayDeviceFP = fopen("/sys/class/graphics/fb0/msm_fb_type", "r"); 147 if(displayDeviceFP){ 148 fread(fbType, sizeof(char), MAX_FRAME_BUFFER_NAME_SIZE, 149 displayDeviceFP); 150 if(strncmp(fbType, strCmdPanel, strlen(strCmdPanel)) == 0) { 151 mPanelInfo.mType = MIPI_CMD_PANEL; 152 } 153 else if(strncmp(fbType, strVideoPanel, strlen(strVideoPanel)) == 0) { 154 mPanelInfo.mType = MIPI_VIDEO_PANEL; 155 } 156 else if(strncmp(fbType, strLVDSPanel, strlen(strLVDSPanel)) == 0) { 157 mPanelInfo.mType = LVDS_PANEL; 158 } 159 else if(strncmp(fbType, strEDPPanel, strlen(strEDPPanel)) == 0) { 160 mPanelInfo.mType = EDP_PANEL; 161 } 162 fclose(displayDeviceFP); 163 } else { 164 ALOGE("Unable to read Primary Panel Information"); 165 } 166 167 panelInfoNodeFP = fopen("/sys/class/graphics/fb0/msm_fb_panel_info", "r"); 168 if(panelInfoNodeFP){ 169 size_t len = PAGE_SIZE; 170 ssize_t read; 171 char *readLine = (char *) malloc (len); 172 while((read = getline((char **)&readLine, &len, 173 panelInfoNodeFP)) != -1) { 174 int token_ct=0; 175 char *tokens[10]; 176 memset(tokens, 0, sizeof(tokens)); 177 178 if(!tokenizeParams(readLine, TOKEN_PARAMS_DELIM, tokens, 179 &token_ct)) { 180 if(!strncmp(tokens[0], "pu_en", strlen("pu_en"))) { 181 mPanelInfo.mPartialUpdateEnable = atoi(tokens[1]); 182 ALOGI("PartialUpdate status: %s", 183 mPanelInfo.mPartialUpdateEnable? "Enabled" : 184 "Disabled"); 185 } 186 if(!strncmp(tokens[0], "xstart", strlen("xstart"))) { 187 mPanelInfo.mLeftAlign = atoi(tokens[1]); 188 ALOGI("Left Align: %d", mPanelInfo.mLeftAlign); 189 } 190 if(!strncmp(tokens[0], "walign", strlen("walign"))) { 191 mPanelInfo.mWidthAlign = atoi(tokens[1]); 192 ALOGI("Width Align: %d", mPanelInfo.mWidthAlign); 193 } 194 if(!strncmp(tokens[0], "ystart", strlen("ystart"))) { 195 mPanelInfo.mTopAlign = atoi(tokens[1]); 196 ALOGI("Top Align: %d", mPanelInfo.mTopAlign); 197 } 198 if(!strncmp(tokens[0], "halign", strlen("halign"))) { 199 mPanelInfo.mHeightAlign = atoi(tokens[1]); 200 ALOGI("Height Align: %d", mPanelInfo.mHeightAlign); 201 } 202 if(!strncmp(tokens[0], "min_w", strlen("min_w"))) { 203 mPanelInfo.mMinROIWidth = atoi(tokens[1]); 204 ALOGI("Min ROI Width: %d", mPanelInfo.mMinROIWidth); 205 } 206 if(!strncmp(tokens[0], "min_h", strlen("min_h"))) { 207 mPanelInfo.mMinROIHeight = atoi(tokens[1]); 208 ALOGI("Min ROI Height: %d", mPanelInfo.mMinROIHeight); 209 } 210 if(!strncmp(tokens[0], "roi_merge", strlen("roi_merge"))) { 211 mPanelInfo.mNeedsROIMerge = atoi(tokens[1]); 212 ALOGI("Needs ROI Merge: %d", mPanelInfo.mNeedsROIMerge); 213 } 214 } 215 } 216 fclose(panelInfoNodeFP); 217 } else { 218 ALOGE("Failed to open msm_fb_panel_info node"); 219 } 220 } 221 222 // This function reads the sysfs node to read MDP capabilities 223 // and parses and updates information accordingly. 224 bool MDPVersion::updateSysFsInfo() { 225 FILE *sysfsFd; 226 size_t len = PAGE_SIZE; 227 ssize_t read; 228 char *line = NULL; 229 char sysfsPath[255]; 230 memset(sysfsPath, 0, sizeof(sysfsPath)); 231 snprintf(sysfsPath , sizeof(sysfsPath), 232 "/sys/class/graphics/fb0/mdp/caps"); 233 char property[PROPERTY_VALUE_MAX]; 234 bool enableMacroTile = false; 235 236 if((property_get("persist.hwc.macro_tile_enable", property, NULL) > 0) && 237 (!strncmp(property, "1", PROPERTY_VALUE_MAX ) || 238 (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) { 239 enableMacroTile = true; 240 } 241 242 sysfsFd = fopen(sysfsPath, "rb"); 243 244 if (sysfsFd == NULL) { 245 ALOGE("%s: sysFsFile file '%s' not found", 246 __FUNCTION__, sysfsPath); 247 return false; 248 } else { 249 line = (char *) malloc(len); 250 while((read = getline(&line, &len, sysfsFd)) != -1) { 251 int index=0; 252 char *tokens[10]; 253 memset(tokens, 0, sizeof(tokens)); 254 255 // parse the line and update information accordingly 256 if(!tokenizeParams(line, TOKEN_PARAMS_DELIM, tokens, &index)) { 257 if(!strncmp(tokens[0], "hw_rev", strlen("hw_rev"))) { 258 mMdpRev = atoi(tokens[1]); 259 } 260 else if(!strncmp(tokens[0], "rgb_pipes", strlen("rgb_pipes"))) { 261 mRGBPipes = (uint8_t)atoi(tokens[1]); 262 } 263 else if(!strncmp(tokens[0], "vig_pipes", strlen("vig_pipes"))) { 264 mVGPipes = (uint8_t)atoi(tokens[1]); 265 } 266 else if(!strncmp(tokens[0], "dma_pipes", strlen("dma_pipes"))) { 267 mDMAPipes = (uint8_t)atoi(tokens[1]); 268 } 269 else if(!strncmp(tokens[0], "max_downscale_ratio", 270 strlen("max_downscale_ratio"))) { 271 mMDPDownscale = atoi(tokens[1]); 272 } 273 else if(!strncmp(tokens[0], "max_upscale_ratio", 274 strlen("max_upscale_ratio"))) { 275 mMDPUpscale = atoi(tokens[1]); 276 } else if(!strncmp(tokens[0], "max_bandwidth_low", 277 strlen("max_bandwidth_low"))) { 278 mLowBw = atol(tokens[1]); 279 } else if(!strncmp(tokens[0], "max_bandwidth_high", 280 strlen("max_bandwidth_high"))) { 281 mHighBw = atol(tokens[1]); 282 } else if(!strncmp(tokens[0], "features", strlen("features"))) { 283 for(int i=1; i<index;i++) { 284 if(!strncmp(tokens[i], "bwc", strlen("bwc"))) { 285 mFeatures |= MDP_BWC_EN; 286 } else if(!strncmp(tokens[i], "decimation", 287 strlen("decimation"))) { 288 mFeatures |= MDP_DECIMATION_EN; 289 } else if(!strncmp(tokens[i], "tile_format", 290 strlen("tile_format"))) { 291 if(enableMacroTile) 292 mMacroTileEnabled = true; 293 } else if(!strncmp(tokens[i], "src_split", 294 strlen("src_split"))) { 295 mSourceSplit = true; 296 } else if(!strncmp(tokens[i], "non_scalar_rgb", 297 strlen("non_scalar_rgb"))) { 298 mRGBHasNoScalar = true; 299 } else if(!strncmp(tokens[i], "rotator_downscale", 300 strlen("rotator_downscale"))) { 301 mRotDownscale = true; 302 } 303 } 304 } 305 } 306 } 307 free(line); 308 fclose(sysfsFd); 309 } 310 311 if(mSourceSplit) { 312 memset(sysfsPath, 0, sizeof(sysfsPath)); 313 snprintf(sysfsPath , sizeof(sysfsPath), 314 "/sys/class/graphics/fb0/msm_fb_src_split_info"); 315 316 sysfsFd = fopen(sysfsPath, "rb"); 317 if (sysfsFd == NULL) { 318 ALOGE("%s: Opening file %s failed with error %s", __FUNCTION__, 319 sysfsPath, strerror(errno)); 320 return false; 321 } else { 322 line = (char *) malloc(len); 323 if((read = getline(&line, &len, sysfsFd)) != -1) { 324 if(!strncmp(line, "src_split_always", 325 strlen("src_split_always"))) { 326 mSourceSplitAlways = true; 327 } 328 } 329 free(line); 330 fclose(sysfsFd); 331 } 332 } 333 334 ALOGD_IF(DEBUG, "%s: mMDPVersion: %d mMdpRev: %x mRGBPipes:%d," 335 "mVGPipes:%d", __FUNCTION__, mMDPVersion, mMdpRev, 336 mRGBPipes, mVGPipes); 337 ALOGD_IF(DEBUG, "%s:mDMAPipes:%d \t mMDPDownscale:%d, mFeatures:%d", 338 __FUNCTION__, mDMAPipes, mMDPDownscale, mFeatures); 339 ALOGD_IF(DEBUG, "%s:mLowBw: %lu mHighBw: %lu", __FUNCTION__, mLowBw, 340 mHighBw); 341 342 return true; 343 } 344 345 // This function reads the sysfs node to read MDP capabilities 346 // and parses and updates information accordingly. 347 bool MDPVersion::updateSplitInfo() { 348 if(mMDPVersion >= MDSS_V5) { 349 char split[64] = {0}; 350 FILE* fp = fopen("/sys/class/graphics/fb0/msm_fb_split", "r"); 351 if(fp){ 352 //Format "left right" space as delimiter 353 if(fread(split, sizeof(char), 64, fp)) { 354 split[sizeof(split) - 1] = '\0'; 355 mSplit.mLeft = atoi(split); 356 ALOGI_IF(mSplit.mLeft, "Left Split=%d", mSplit.mLeft); 357 char *rght = strpbrk(split, " "); 358 if(rght) 359 mSplit.mRight = atoi(rght + 1); 360 ALOGI_IF(mSplit.mRight, "Right Split=%d", mSplit.mRight); 361 } 362 } else { 363 ALOGE("Failed to open mdss_fb_split node"); 364 return false; 365 } 366 if(fp) 367 fclose(fp); 368 } 369 return true; 370 } 371 372 373 bool MDPVersion::supportsDecimation() { 374 return mFeatures & MDP_DECIMATION_EN; 375 } 376 377 uint32_t MDPVersion::getMaxMDPDownscale() { 378 return mMDPDownscale; 379 } 380 381 uint32_t MDPVersion::getMaxMDPUpscale() { 382 return mMDPUpscale; 383 } 384 385 bool MDPVersion::supportsBWC() { 386 // BWC - Bandwidth Compression 387 return (mFeatures & MDP_BWC_EN); 388 } 389 390 bool MDPVersion::supportsMacroTile() { 391 // MACRO TILE support 392 return mMacroTileEnabled; 393 } 394 395 bool MDPVersion::isSrcSplit() const { 396 return mSourceSplit; 397 } 398 399 bool MDPVersion::isSrcSplitAlways() const { 400 return mSourceSplitAlways; 401 } 402 403 bool MDPVersion::isRGBScalarSupported() const { 404 return (!mRGBHasNoScalar); 405 } 406 407 bool MDPVersion::is8x26() { 408 return (mMdpRev >= MDSS_MDP_HW_REV_101 and 409 mMdpRev < MDSS_MDP_HW_REV_102); 410 } 411 412 bool MDPVersion::is8x74v2() { 413 return (mMdpRev >= MDSS_MDP_HW_REV_102 and 414 mMdpRev < MDSS_MDP_HW_REV_103); 415 } 416 417 bool MDPVersion::is8084() { 418 return (mMdpRev >= MDSS_MDP_HW_REV_103 and 419 mMdpRev < MDSS_MDP_HW_REV_104); 420 } 421 422 bool MDPVersion::is8092() { 423 return (mMdpRev >= MDSS_MDP_HW_REV_200 and 424 mMdpRev < MDSS_MDP_HW_REV_206); 425 } 426 427 bool MDPVersion::is8994() { 428 return (mMdpRev >= MDSS_MDP_HW_REV_105 and 429 mMdpRev < MDSS_MDP_HW_REV_106); 430 } 431 432 bool MDPVersion::is8x16() { 433 return (mMdpRev >= MDSS_MDP_HW_REV_106 and 434 mMdpRev < MDSS_MDP_HW_REV_107); 435 } 436 437 bool MDPVersion::is8x39() { 438 return (mMdpRev >= MDSS_MDP_HW_REV_108 and 439 mMdpRev < MDSS_MDP_HW_REV_109); 440 } 441 442 443 }; //namespace qdutils 444 445
