1 /* 2 * Copyright (c) 2011-2012, 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 <stdlib.h> 31 #include <math.h> 32 #include <utils/Log.h> 33 #include <linux/msm_mdp.h> 34 #include <cutils/properties.h> 35 #include "gralloc_priv.h" 36 #include "overlayUtils.h" 37 #include "mdpWrapper.h" 38 #include "mdp_version.h" 39 40 // just a helper static thingy 41 namespace { 42 struct IOFile { 43 IOFile(const char* s, const char* mode) : fp(0) { 44 fp = ::fopen(s, mode); 45 if(!fp) { 46 ALOGE("Failed open %s", s); 47 } 48 } 49 template <class T> 50 size_t read(T& r, size_t elem) { 51 if(fp) { 52 return ::fread(&r, sizeof(T), elem, fp); 53 } 54 return 0; 55 } 56 size_t write(const char* s, uint32_t val) { 57 if(fp) { 58 return ::fprintf(fp, s, val); 59 } 60 return 0; 61 } 62 bool valid() const { return fp != 0; } 63 ~IOFile() { 64 if(fp) ::fclose(fp); 65 fp=0; 66 } 67 FILE* fp; 68 }; 69 } 70 71 namespace overlay { 72 73 //----------From class Res ------------------------------ 74 const char* const Res::fbPath = "/dev/graphics/fb%u"; 75 const char* const Res::rotPath = "/dev/msm_rotator"; 76 const char* const Res::format3DFile = 77 "/sys/class/graphics/fb1/format_3d"; 78 const char* const Res::edid3dInfoFile = 79 "/sys/class/graphics/fb1/3d_present"; 80 const char* const Res::barrierFile = 81 "/sys/devices/platform/mipi_novatek.0/enable_3d_barrier"; 82 //-------------------------------------------------------- 83 84 85 86 namespace utils { 87 88 //-------------------------------------------------------- 89 //Refer to graphics.h, gralloc_priv.h, msm_mdp.h 90 int getMdpFormat(int format) { 91 switch (format) { 92 //From graphics.h 93 case HAL_PIXEL_FORMAT_RGBA_8888 : 94 return MDP_RGBA_8888; 95 case HAL_PIXEL_FORMAT_RGBX_8888: 96 return MDP_RGBX_8888; 97 case HAL_PIXEL_FORMAT_RGB_888: 98 return MDP_RGB_888; 99 case HAL_PIXEL_FORMAT_RGB_565: 100 return MDP_RGB_565; 101 case HAL_PIXEL_FORMAT_BGRA_8888: 102 return MDP_BGRA_8888; 103 case HAL_PIXEL_FORMAT_YV12: 104 return MDP_Y_CR_CB_GH2V2; 105 case HAL_PIXEL_FORMAT_YCbCr_422_SP: 106 return MDP_Y_CBCR_H2V1; 107 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 108 return MDP_Y_CRCB_H2V2; 109 110 //From gralloc_priv.h 111 case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: 112 return MDP_Y_CBCR_H2V2_TILE; 113 case HAL_PIXEL_FORMAT_YCbCr_420_SP: 114 return MDP_Y_CBCR_H2V2; 115 case HAL_PIXEL_FORMAT_YCrCb_422_SP: 116 return MDP_Y_CRCB_H2V1; 117 case HAL_PIXEL_FORMAT_YCbCr_444_SP: 118 return MDP_Y_CBCR_H1V1; 119 case HAL_PIXEL_FORMAT_YCrCb_444_SP: 120 return MDP_Y_CRCB_H1V1; 121 case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS: 122 return MDP_Y_CBCR_H2V2_VENUS; 123 default: 124 //Unsupported by MDP 125 //---graphics.h-------- 126 //HAL_PIXEL_FORMAT_RGBA_5551 127 //HAL_PIXEL_FORMAT_RGBA_4444 128 //HAL_PIXEL_FORMAT_YCbCr_422_I 129 //---gralloc_priv.h----- 130 //HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO = 0x7FA30C01 131 //HAL_PIXEL_FORMAT_R_8 = 0x10D 132 //HAL_PIXEL_FORMAT_RG_88 = 0x10E 133 ALOGE("%s: Unsupported HAL format = 0x%x", __func__, format); 134 return -1; 135 } 136 // not reached 137 return -1; 138 } 139 140 //Takes mdp format as input and translates to equivalent HAL format 141 //Refer to graphics.h, gralloc_priv.h, msm_mdp.h for formats. 142 int getHALFormat(int mdpFormat) { 143 switch (mdpFormat) { 144 //From graphics.h 145 case MDP_RGBA_8888: 146 return HAL_PIXEL_FORMAT_RGBA_8888; 147 case MDP_RGBX_8888: 148 return HAL_PIXEL_FORMAT_RGBX_8888; 149 case MDP_RGB_888: 150 return HAL_PIXEL_FORMAT_RGB_888; 151 case MDP_RGB_565: 152 return HAL_PIXEL_FORMAT_RGB_565; 153 case MDP_BGRA_8888: 154 return HAL_PIXEL_FORMAT_BGRA_8888; 155 case MDP_Y_CR_CB_GH2V2: 156 return HAL_PIXEL_FORMAT_YV12; 157 case MDP_Y_CBCR_H2V1: 158 return HAL_PIXEL_FORMAT_YCbCr_422_SP; 159 case MDP_Y_CRCB_H2V2: 160 return HAL_PIXEL_FORMAT_YCrCb_420_SP; 161 162 //From gralloc_priv.h 163 case MDP_Y_CBCR_H2V2_TILE: 164 return HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED; 165 case MDP_Y_CBCR_H2V2: 166 return HAL_PIXEL_FORMAT_YCbCr_420_SP; 167 case MDP_Y_CRCB_H2V1: 168 return HAL_PIXEL_FORMAT_YCrCb_422_SP; 169 case MDP_Y_CBCR_H1V1: 170 return HAL_PIXEL_FORMAT_YCbCr_444_SP; 171 case MDP_Y_CRCB_H1V1: 172 return HAL_PIXEL_FORMAT_YCrCb_444_SP; 173 case MDP_Y_CBCR_H2V2_VENUS: 174 return HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; 175 default: 176 ALOGE("%s: Unsupported MDP format = 0x%x", __func__, mdpFormat); 177 return -1; 178 } 179 // not reached 180 return -1; 181 } 182 183 int getDownscaleFactor(const int& src_w, const int& src_h, 184 const int& dst_w, const int& dst_h) { 185 int dscale_factor = utils::ROT_DS_NONE; 186 // The tolerance is an empirical grey area that needs to be adjusted 187 // manually so that we always err on the side of caution 188 float fDscaleTolerance = 0.05; 189 // We need this check to engage the rotator whenever possible to assist MDP 190 // in performing video downscale. 191 // This saves bandwidth and avoids causing the driver to make too many panel 192 // -mode switches between BLT (writeback) and non-BLT (Direct) modes. 193 // Use-case: Video playback [with downscaling and rotation]. 194 if (dst_w && dst_h) 195 { 196 float fDscale = sqrtf((float)(src_w * src_h) / (float)(dst_w * dst_h)) + 197 fDscaleTolerance; 198 199 // On our MTP 1080p playback case downscale after sqrt is coming to 1.87 200 // we were rounding to 1. So entirely MDP has to do the downscaling. 201 // BW requirement and clock requirement is high across MDP4 targets. 202 // It is unable to downscale 1080p video to panel resolution on 8960. 203 // round(x) will round it to nearest integer and avoids above issue. 204 uint32_t dscale = round(fDscale); 205 206 if(dscale < 2) { 207 // Down-scale to > 50% of orig. 208 dscale_factor = utils::ROT_DS_NONE; 209 } else if(dscale < 4) { 210 // Down-scale to between > 25% to <= 50% of orig. 211 dscale_factor = utils::ROT_DS_HALF; 212 } else if(dscale < 8) { 213 // Down-scale to between > 12.5% to <= 25% of orig. 214 dscale_factor = utils::ROT_DS_FOURTH; 215 } else { 216 // Down-scale to <= 12.5% of orig. 217 dscale_factor = utils::ROT_DS_EIGHTH; 218 } 219 } 220 return dscale_factor; 221 } 222 223 static inline int compute(const uint32_t& x, const uint32_t& y, 224 const uint32_t& z) { 225 return x - ( y + z ); 226 } 227 228 //Expects transform to be adjusted for clients of Android. 229 //i.e flips switched if 90 component present. 230 //See getMdpOrient() 231 void preRotateSource(const eTransform& tr, Whf& whf, Dim& srcCrop) { 232 if(tr & OVERLAY_TRANSFORM_FLIP_H) { 233 srcCrop.x = compute(whf.w, srcCrop.x, srcCrop.w); 234 } 235 if(tr & OVERLAY_TRANSFORM_FLIP_V) { 236 srcCrop.y = compute(whf.h, srcCrop.y, srcCrop.h); 237 } 238 if(tr & OVERLAY_TRANSFORM_ROT_90) { 239 int tmp = srcCrop.x; 240 srcCrop.x = compute(whf.h, 241 srcCrop.y, 242 srcCrop.h); 243 srcCrop.y = tmp; 244 swap(whf.w, whf.h); 245 swap(srcCrop.w, srcCrop.h); 246 } 247 } 248 249 bool is3DTV() { 250 char is3DTV = '0'; 251 IOFile fp(Res::edid3dInfoFile, "r"); 252 (void)fp.read(is3DTV, 1); 253 ALOGI("3DTV EDID flag: %d", is3DTV); 254 return (is3DTV == '0') ? false : true; 255 } 256 257 bool isPanel3D() { 258 OvFD fd; 259 if(!overlay::open(fd, 0 /*fb*/, Res::fbPath)){ 260 ALOGE("isPanel3D Can't open framebuffer 0"); 261 return false; 262 } 263 fb_fix_screeninfo finfo; 264 if(!mdp_wrapper::getFScreenInfo(fd.getFD(), finfo)) { 265 ALOGE("isPanel3D read fb0 failed"); 266 } 267 fd.close(); 268 return (FB_TYPE_3D_PANEL == finfo.type) ? true : false; 269 } 270 271 bool usePanel3D() { 272 if(!isPanel3D()) 273 return false; 274 char value[PROPERTY_VALUE_MAX]; 275 property_get("persist.user.panel3D", value, "0"); 276 int usePanel3D = atoi(value); 277 return usePanel3D ? true : false; 278 } 279 280 bool send3DInfoPacket (uint32_t format3D) { 281 IOFile fp(Res::format3DFile, "wb"); 282 (void)fp.write("%d", format3D); 283 if(!fp.valid()) { 284 ALOGE("send3DInfoPacket: no sysfs entry for setting 3d mode"); 285 return false; 286 } 287 return true; 288 } 289 290 bool enableBarrier (uint32_t orientation) { 291 IOFile fp(Res::barrierFile, "wb"); 292 (void)fp.write("%d", orientation); 293 if(!fp.valid()) { 294 ALOGE("enableBarrier no sysfs entry for " 295 "enabling barriers on 3D panel"); 296 return false; 297 } 298 return true; 299 } 300 301 uint32_t getS3DFormat(uint32_t fmt) { 302 // The S3D is part of the HAL_PIXEL_FORMAT_YV12 value. Add 303 // an explicit check for the format 304 if (fmt == HAL_PIXEL_FORMAT_YV12) { 305 return 0; 306 } 307 uint32_t fmt3D = format3D(fmt); 308 uint32_t fIn3D = format3DInput(fmt3D); // MSB 2 bytes - inp 309 uint32_t fOut3D = format3DOutput(fmt3D); // LSB 2 bytes - out 310 fmt3D = fIn3D | fOut3D; 311 if (!fIn3D) { 312 fmt3D |= fOut3D << SHIFT_TOT_3D; //Set the input format 313 } 314 if (!fOut3D) { 315 switch (fIn3D) { 316 case HAL_3D_IN_SIDE_BY_SIDE_L_R: 317 case HAL_3D_IN_SIDE_BY_SIDE_R_L: 318 // For all side by side formats, set the output 319 // format as Side-by-Side i.e 0x1 320 fmt3D |= HAL_3D_IN_SIDE_BY_SIDE_L_R >> SHIFT_TOT_3D; 321 break; 322 default: 323 fmt3D |= fIn3D >> SHIFT_TOT_3D; //Set the output format 324 } 325 } 326 return fmt3D; 327 } 328 329 void getDump(char *buf, size_t len, const char *prefix, 330 const mdp_overlay& ov) { 331 char str[256] = {'\0'}; 332 snprintf(str, 256, 333 "%s id=%d z=%d fg=%d alpha=%d mask=%d flags=0x%x\n", 334 prefix, ov.id, ov.z_order, ov.is_fg, ov.alpha, 335 ov.transp_mask, ov.flags); 336 strncat(buf, str, strlen(str)); 337 getDump(buf, len, "\tsrc(msmfb_img)", ov.src); 338 getDump(buf, len, "\tsrc_rect(mdp_rect)", ov.src_rect); 339 getDump(buf, len, "\tdst_rect(mdp_rect)", ov.dst_rect); 340 } 341 342 void getDump(char *buf, size_t len, const char *prefix, 343 const msmfb_img& ov) { 344 char str_src[256] = {'\0'}; 345 snprintf(str_src, 256, 346 "%s w=%d h=%d format=%d %s\n", 347 prefix, ov.width, ov.height, ov.format, 348 overlay::utils::getFormatString(ov.format)); 349 strncat(buf, str_src, strlen(str_src)); 350 } 351 352 void getDump(char *buf, size_t len, const char *prefix, 353 const mdp_rect& ov) { 354 char str_rect[256] = {'\0'}; 355 snprintf(str_rect, 256, 356 "%s x=%d y=%d w=%d h=%d\n", 357 prefix, ov.x, ov.y, ov.w, ov.h); 358 strncat(buf, str_rect, strlen(str_rect)); 359 } 360 361 void getDump(char *buf, size_t len, const char *prefix, 362 const msmfb_overlay_data& ov) { 363 char str[256] = {'\0'}; 364 snprintf(str, 256, 365 "%s id=%d\n", 366 prefix, ov.id); 367 strncat(buf, str, strlen(str)); 368 getDump(buf, len, "\tdata(msmfb_data)", ov.data); 369 } 370 371 void getDump(char *buf, size_t len, const char *prefix, 372 const msmfb_data& ov) { 373 char str_data[256] = {'\0'}; 374 snprintf(str_data, 256, 375 "%s offset=%d memid=%d id=%d flags=0x%x priv=%d\n", 376 prefix, ov.offset, ov.memory_id, ov.id, ov.flags, 377 ov.priv); 378 strncat(buf, str_data, strlen(str_data)); 379 } 380 381 void getDump(char *buf, size_t len, const char *prefix, 382 const msm_rotator_img_info& rot) { 383 char str[256] = {'\0'}; 384 snprintf(str, 256, "%s sessid=%u rot=%d, enable=%d downscale=%d\n", 385 prefix, rot.session_id, rot.rotations, rot.enable, 386 rot.downscale_ratio); 387 strncat(buf, str, strlen(str)); 388 getDump(buf, len, "\tsrc", rot.src); 389 getDump(buf, len, "\tdst", rot.dst); 390 getDump(buf, len, "\tsrc_rect", rot.src_rect); 391 } 392 393 void getDump(char *buf, size_t len, const char *prefix, 394 const msm_rotator_data_info& rot) { 395 char str[256] = {'\0'}; 396 snprintf(str, 256, 397 "%s sessid=%u verkey=%d\n", 398 prefix, rot.session_id, rot.version_key); 399 strncat(buf, str, strlen(str)); 400 getDump(buf, len, "\tsrc", rot.src); 401 getDump(buf, len, "\tdst", rot.dst); 402 getDump(buf, len, "\tsrc_chroma", rot.src_chroma); 403 getDump(buf, len, "\tdst_chroma", rot.dst_chroma); 404 } 405 406 } // utils 407 408 } // overlay 409
