src/tdm_helper.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include <png.h>
  41 #include <string.h>
  42 #include <tbm_surface.h>
  43 #include <tbm_surface_internal.h>
  44 #include <string.h>
  45 #include <time.h>
  46 #include <pixman.h>
  47
  48 #include "tdm.h"
  49 #include "tdm_private.h"
  50 #include "tdm_helper.h"
  51
  52 #define PNG_DEPTH 8
  53
  54 static const char *file_exts[2] = {"png", "yuv"};
  55
  56 int tdm_dump_enable;
  57 char *tdm_debug_dump_dir;
  58
  59 EXTERN double
  60 tdm_helper_get_time(void)
  61 {
  62         struct timespec tp;
  63
  64         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
  65                 return (double)tp.tv_sec + ((double)tp.tv_nsec) / 1000000000.0;
  66
  67         return 0;
  68 }
  69
  70 static void
  71 _tdm_helper_dump_raw(const char *file, void *data1, int size1, void *data2,
  72                                          int size2, void *data3, int size3)
  73 {
  74         unsigned int *blocks;
  75         FILE *fp = fopen(file, "w+");
  76         TDM_RETURN_IF_FAIL(fp != NULL);
  77
  78         blocks = (unsigned int *)data1;
  79         fwrite(blocks, 1, size1, fp);
  80
  81         if (size2 > 0) {
  82                 blocks = (unsigned int *)data2;
  83                 fwrite(blocks, 1, size2, fp);
  84         }
  85
  86         if (size3 > 0) {
  87                 blocks = (unsigned int *)data3;
  88                 fwrite(blocks, 1, size3, fp);
  89         }
  90
  91         fclose(fp);
  92 }
  93
  94 static void
  95 _tdm_helper_dump_png(const char *file, const void *data, int width,
  96                                          int height)
  97 {
  98         FILE *fp = fopen(file, "wb");
  99         TDM_RETURN_IF_FAIL(fp != NULL);
 100
 101         png_structp pPngStruct =
 102                 png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
 103         if (!pPngStruct) {
 104                 fclose(fp);
 105                 return;
 106         }
 107
 108         png_infop pPngInfo = png_create_info_struct(pPngStruct);
 109         if (!pPngInfo) {
 110                 png_destroy_write_struct(&pPngStruct, NULL);
 111                 fclose(fp);
 112                 return;
 113         }
 114
 115         png_init_io(pPngStruct, fp);
 116         png_set_IHDR(pPngStruct,
 117                                  pPngInfo,
 118                                  width,
 119                                  height,
 120                                  PNG_DEPTH,
 121                                  PNG_COLOR_TYPE_RGBA,
 122                                  PNG_INTERLACE_NONE,
 123                                  PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
 124
 125         png_set_bgr(pPngStruct);
 126         png_write_info(pPngStruct, pPngInfo);
 127
 128         const int pixel_size = 4;       // RGBA
 129         png_bytep *row_pointers =
 130                 png_malloc(pPngStruct, height * sizeof(png_byte *));
 131
 132         unsigned int *blocks = (unsigned int *)data;
 133         int y = 0;
 134         int x = 0;
 135
 136         for (; y < height; ++y) {
 137                 png_bytep row =
 138                         png_malloc(pPngStruct, sizeof(png_byte) * width * pixel_size);
 139                 row_pointers[y] = (png_bytep)row;
 140                 for (x = 0; x < width; ++x) {
 141                         unsigned int curBlock = blocks[y * width + x];
 142                         row[x * pixel_size] = (curBlock & 0xFF);
 143                         row[1 + x * pixel_size] = (curBlock >> 8) & 0xFF;
 144                         row[2 + x * pixel_size] = (curBlock >> 16) & 0xFF;
 145                         row[3 + x * pixel_size] = (curBlock >> 24) & 0xFF;
 146                 }
 147         }
 148
 149         png_write_image(pPngStruct, row_pointers);
 150         png_write_end(pPngStruct, pPngInfo);
 151
 152         for (y = 0; y < height; y++)
 153                 png_free(pPngStruct, row_pointers[y]);
 154         png_free(pPngStruct, row_pointers);
 155
 156         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 157
 158         fclose(fp);
 159 }
 160
 161 INTERN char *
 162 tdm_helper_dump_make_directory(const char *path, char *reply, int *len)
 163 {
 164         char *fullpath = NULL;
 165         time_t timer;
 166         struct tm *t, *buf = NULL;
 167
 168         timer = time(NULL);
 169
 170         buf = calloc(1, sizeof(struct tm));
 171         TDM_GOTO_IF_FAIL(buf != NULL, failed_make);
 172
 173         fullpath = calloc(1, TDM_PATH_LEN * sizeof(char));
 174         TDM_GOTO_IF_FAIL(fullpath != NULL, failed_make);
 175
 176         t = localtime_r(&timer, buf);
 177         TDM_GOTO_IF_FAIL(t != NULL, failed_make);
 178
 179         snprintf(fullpath, TDM_PATH_LEN, "%s/dump_%04d%02d%02d.%02d%02d%02d", path,
 180                          t->tm_year+1900, t->tm_mon+1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
 181
 182         if ((mkdir(fullpath, 0755)) < 0) {
 183                 TDM_ERR("mkdir '%s' fail\n", fullpath);
 184                 TDM_SNPRINTF(reply, len, "mkdir '%s' fail\n", fullpath);
 185                 goto failed_make;
 186         }
 187
 188         free(buf);
 189
 190         return fullpath;
 191 failed_make:
 192         if (fullpath)
 193                 free(fullpath);
 194         if (buf)
 195                 free(buf);
 196         return NULL;
 197 }
 198
 199 INTERN void
 200 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str)
 201 {
 202         tbm_surface_info_s info;
 203         const char *ext;
 204         char file[TDM_PATH_LEN];
 205         int ret, bw;
 206
 207         TDM_RETURN_IF_FAIL(buffer != NULL);
 208         TDM_RETURN_IF_FAIL(dir != NULL);
 209         TDM_RETURN_IF_FAIL(str != NULL);
 210
 211         ret = tbm_surface_get_info(buffer, &info);
 212         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 213
 214         if (info.format == TBM_FORMAT_ARGB8888 || info.format == TBM_FORMAT_XRGB8888) {
 215                 ext = file_exts[0];
 216                 bw = info.planes[0].stride >> 2;
 217         } else {
 218                 ext = file_exts[1];
 219                 bw = info.planes[0].stride;
 220         }
 221
 222         snprintf(file, TDM_PATH_LEN, "%s/%c%c%c%c_%dx%d_%s.%s",
 223                          dir, FOURCC_STR(info.format), bw, info.height, str, ext);
 224
 225         tdm_helper_dump_buffer(buffer, file);
 226 }
 227
 228 EXTERN void
 229 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 230 {
 231         tbm_surface_info_s info;
 232         int len, ret;
 233         const char *ext;
 234
 235         TDM_RETURN_IF_FAIL(buffer != NULL);
 236         TDM_RETURN_IF_FAIL(file != NULL);
 237
 238         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 239         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 240
 241         len = strnlen(file, 1024);
 242         if (info.format == TBM_FORMAT_ARGB8888 || info.format == TBM_FORMAT_XRGB8888)
 243                 ext = file_exts[0];
 244         else
 245                 ext = file_exts[1];
 246
 247         if (strncmp(file + (len - 3), ext, 3)) {
 248                 TDM_ERR("can't dump to '%s' file", file + (len - 3));
 249                 tbm_surface_unmap(buffer);
 250                 return;
 251         }
 252
 253         switch (info.format) {
 254         case TBM_FORMAT_ARGB8888:
 255         case TBM_FORMAT_XRGB8888:
 256                 _tdm_helper_dump_png(file, info.planes[0].ptr,
 257                                                          info.planes[0].stride >> 2, info.height);
 258                 break;
 259         case TBM_FORMAT_YVU420:
 260         case TBM_FORMAT_YUV420:
 261                 _tdm_helper_dump_raw(file,
 262                                                          info.planes[0].ptr,
 263                                                          info.planes[0].stride * info.height,
 264                                                          info.planes[1].ptr,
 265                                                          info.planes[1].stride * (info.height >> 1),
 266                                                          info.planes[2].ptr,
 267                                                          info.planes[2].stride * (info.height >> 1));
 268                 break;
 269         case TBM_FORMAT_NV12:
 270         case TBM_FORMAT_NV21:
 271                 _tdm_helper_dump_raw(file,
 272                                                          info.planes[0].ptr,
 273                                                          info.planes[0].stride * info.height,
 274                                                          info.planes[1].ptr,
 275                                                          info.planes[1].stride * (info.height >> 1), NULL,
 276                                                          0);
 277                 break;
 278         case TBM_FORMAT_YUYV:
 279         case TBM_FORMAT_UYVY:
 280                 _tdm_helper_dump_raw(file,
 281                                                          info.planes[0].ptr,
 282                                                          info.planes[0].stride * info.height, NULL, 0,
 283                                                          NULL, 0);
 284                 break;
 285         default:
 286                 TDM_ERR("can't dump %c%c%c%c buffer", FOURCC_STR(info.format));
 287                 tbm_surface_unmap(buffer);
 288                 return;
 289         }
 290
 291         tbm_surface_unmap(buffer);
 292
 293         TDM_INFO("dump %s", file);
 294 }
 295
 296 EXTERN void
 297 tdm_helper_clear_buffer(tbm_surface_h buffer)
 298 {
 299         tbm_surface_info_s info;
 300         int ret;
 301
 302         TDM_RETURN_IF_FAIL(buffer != NULL);
 303
 304         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 305         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 306
 307         switch (info.format) {
 308         case TBM_FORMAT_ARGB8888:
 309         case TBM_FORMAT_XRGB8888:
 310                 memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
 311                 break;
 312         case TBM_FORMAT_YVU420:
 313         case TBM_FORMAT_YUV420:
 314                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 315                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 316                 memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
 317                 break;
 318         case TBM_FORMAT_NV12:
 319         case TBM_FORMAT_NV21:
 320                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 321                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 322                 break;
 323         case TBM_FORMAT_YUYV: {
 324                 int *ibuf = (int*)info.planes[0].ptr;
 325                 int i, size = info.planes[0].stride * info.height / 4;
 326
 327                 for (i = 0 ; i < size ; i++)
 328                         ibuf[i] = 0x10801080;
 329         }
 330         break;
 331         case TBM_FORMAT_UYVY: {
 332                 int *ibuf = (int*)info.planes[0].ptr;
 333                 int i, size = info.planes[0].stride * info.height / 4;
 334
 335                 for (i = 0 ; i < size ; i++)
 336                         ibuf[i] = 0x80108010; /* YUYV -> 0xVYUY */
 337         }
 338         break;
 339         default:
 340                 TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
 341                 break;
 342         }
 343
 344         tbm_surface_unmap(buffer);
 345 }
 346
 347 EXTERN int
 348 tdm_helper_get_fd(const char *env)
 349 {
 350         const char *value;
 351         int fd, newfd, flags, ret;
 352
 353         value = (const char*)getenv(env);
 354         if (!value)
 355                 return -1;
 356
 357         ret = sscanf(value, "%d", &fd);
 358         if (ret < 0) {
 359                 TDM_ERR("sscanf failed: %m");
 360                 return -1;
 361         }
 362
 363         flags = fcntl(fd, F_GETFD);
 364         if (flags == -1) {
 365                 TDM_ERR("fcntl failed: %m");
 366                 return -1;
 367         }
 368
 369         newfd = dup(fd);
 370         if (newfd < 0) {
 371                 TDM_ERR("dup failed: %m");
 372                 return -1;
 373         }
 374
 375         TDM_INFO("%s: fd(%d) newfd(%d)", env, fd, newfd);
 376
 377         fcntl(newfd, F_SETFD, flags | FD_CLOEXEC);
 378
 379         return newfd;
 380 }
 381
 382 EXTERN void
 383 tdm_helper_set_fd(const char *env, int fd)
 384 {
 385         char buf[32];
 386         int ret;
 387
 388         snprintf(buf, sizeof(buf), "%d", fd);
 389
 390         ret = setenv(env, (const char*)buf, 1);
 391         if (ret) {
 392                 TDM_ERR("setenv failed: %m");
 393                 return;
 394         }
 395
 396         if (fd >= 0)
 397                 TDM_INFO("%s: fd(%d)", env, fd);
 398 }
 399
 400 EXTERN void
 401 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
 402 {
 403         tdm_private_display *private_display;
 404         tdm_backend_module *module_data;
 405         tdm_func_output *func_output;
 406         tdm_func_layer *func_layer;
 407         tdm_private_output *private_output = NULL;
 408         tdm_private_layer *private_layer = NULL;
 409         tdm_private_pp *private_pp = NULL;
 410         tdm_private_capture *private_capture = NULL;
 411         tdm_error ret;
 412         int i;
 413
 414         TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
 415
 416         private_display = dpy;
 417         func_output = &private_display->func_output;
 418         func_layer = &private_display->func_layer;
 419         _pthread_mutex_lock(&private_display->lock);
 420
 421         /* module information */
 422         module_data = private_display->module_data;
 423         TDM_SNPRINTF(reply, len, "[TDM backend information]\n");
 424         TDM_SNPRINTF(reply, len, "name: %s\n", module_data->name);
 425         TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
 426         TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
 427                                  (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
 428                                  (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
 429
 430         /* output information */
 431         TDM_SNPRINTF(reply, len, "[Output information]\n");
 432         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 433         TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
 434         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 435         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 436                 TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %d   %d   %dx%d   %dx%d   %dx%d\n",
 437                                          private_output->index, private_output->caps.maker,
 438                                          private_output->caps.model, private_output->caps.name,
 439                                          tdm_conn_str(private_output->caps.type),
 440                                          tdm_status_str(private_output->caps.status),
 441                                          tdm_dpms_str(private_output->current_dpms_value),
 442                                          private_output->caps.subpixel,
 443                                          TDM_FRONT_VALUE(private_output->caps.preferred_align),
 444                                          TDM_FRONT_VALUE(private_output->caps.min_w),
 445                                          TDM_FRONT_VALUE(private_output->caps.min_h),
 446                                          TDM_FRONT_VALUE(private_output->caps.max_w),
 447                                          TDM_FRONT_VALUE(private_output->caps.max_h),
 448                                          private_output->caps.mmWidth, private_output->caps.mmHeight);
 449
 450                 TDM_SNPRINTF(reply, len, "\t%d modes:\n", private_output->caps.mode_count);
 451
 452                 if (private_output->caps.mode_count > 0) {
 453                         const tdm_output_mode *current_mode = NULL;
 454
 455                         TDM_DBG_GOTO_IF_FAIL(func_output->output_get_mode, unlock);
 456                         ret = func_output->output_get_mode(private_output->output_backend, &current_mode);
 457                         TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 458
 459                         TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) clk hdisp hss hse htot vdisp vss vse vtot vscan\n");
 460                         for (i = 0; i < private_output->caps.mode_count; i++) {
 461                                 char *current = (current_mode == private_output->caps.modes + i) ? "*" : " ";
 462                                 TDM_SNPRINTF(reply, len, "\t\t%s%s %d %d %d %d %d %d %d %d %d %d %d ",
 463                                                          current,
 464                                                          private_output->caps.modes[i].name,
 465                                                          private_output->caps.modes[i].vrefresh,
 466                                                          private_output->caps.modes[i].clock,
 467                                                          private_output->caps.modes[i].hdisplay,
 468                                                          private_output->caps.modes[i].hsync_start,
 469                                                          private_output->caps.modes[i].hsync_end,
 470                                                          private_output->caps.modes[i].htotal,
 471                                                          private_output->caps.modes[i].vdisplay,
 472                                                          private_output->caps.modes[i].vsync_start,
 473                                                          private_output->caps.modes[i].vsync_end,
 474                                                          private_output->caps.modes[i].vtotal,
 475                                                          private_output->caps.modes[i].vscan);
 476                                 tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
 477                                 TDM_SNPRINTF(reply, len, " ");
 478                                 tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
 479                                 TDM_SNPRINTF(reply, len, "\n");
 480                         }
 481                 }
 482
 483                 TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
 484                 if (private_output->caps.prop_count > 0) {
 485                         TDM_SNPRINTF(reply, len, "\t\tname\tidx\tvalue\n");
 486                         for (i = 0; i < private_output->caps.prop_count; i++) {
 487                                 tdm_value value;
 488                                 TDM_DBG_GOTO_IF_FAIL(func_output->output_get_property, unlock);
 489                                 ret = func_output->output_get_property(private_output->output_backend,
 490                                                                                                            private_output->caps.props[i].id,
 491                                                                                                            &value);
 492                                 TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 493                                 TDM_SNPRINTF(reply, len, "\t\t%s\t%d\t%d\n",
 494                                                          private_output->caps.props[i].name,
 495                                                          private_output->caps.props[i].id,
 496                                                          value.u32);
 497                         }
 498                 }
 499         }
 500         TDM_SNPRINTF(reply, len, "\n");
 501
 502         /* layer information */
 503         TDM_SNPRINTF(reply, len, "[Layer information]\n");
 504         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 505         TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
 506         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 507         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 508                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 509                         if (!private_layer->usable) {
 510                                 tdm_info_layer info;
 511                                 unsigned int format;
 512                                 tdm_size size;
 513                                 tbm_surface_info_s buf_info;
 514
 515                                 TDM_DBG_GOTO_IF_FAIL(func_layer->layer_get_info, unlock);
 516                                 memset(&info, 0, sizeof info);
 517                                 ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
 518                                 TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 519
 520                                 format = tbm_surface_get_format(private_layer->showing_buffer);
 521                                 tbm_surface_get_info(private_layer->showing_buffer, &buf_info);
 522
 523                                 if (IS_RGB(format))
 524                                         size.h = buf_info.planes[0].stride >> 2;
 525                                 else
 526                                         size.h = buf_info.planes[0].stride;
 527                                 size.v = tbm_surface_get_height(private_layer->showing_buffer);
 528
 529                                 if (info.src_config.format)
 530                                         format = (info.src_config.format)?:format;
 531
 532                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %dx%d   %dx%d+%d+%d   %dx%d+%d+%d   %s\n",
 533                                                          private_layer->index,
 534                                                          private_output->index,
 535                                                          private_layer->caps.zpos,
 536                                                          private_layer->showing_buffer, FOURCC_STR(format), size.h, size.v,
 537                                                          info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
 538                                                          info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
 539                                                          tdm_transform_str(info.transform));
 540                         } else {
 541                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
 542                                                          private_layer->index,
 543                                                          private_output->index,
 544                                                          private_layer->caps.zpos);
 545                         }
 546
 547                         TDM_SNPRINTF(reply, len, "\tcaps\t: ");
 548                         tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
 549                         TDM_SNPRINTF(reply, len, "\n");
 550
 551                         TDM_SNPRINTF(reply, len, "\tformats\t: ");
 552                         if (private_layer->caps.format_count > 0) {
 553                                 const char *sep = "";
 554                                 for (i = 0; i < private_layer->caps.format_count; i++) {
 555                                         if (private_layer->caps.formats[i] == 0)
 556                                                 continue;
 557                                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
 558                                         sep = ",";
 559                                 }
 560                                 TDM_SNPRINTF(reply, len, "\n");
 561                         }
 562
 563                         TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_layer->caps.prop_count);
 564                         if (private_layer->caps.prop_count > 0) {
 565                                 TDM_SNPRINTF(reply, len, "\t\tname\tidx\tvalue\n");
 566                                 for (i = 0; i < private_layer->caps.prop_count; i++) {
 567                                         tdm_value value;
 568                                         TDM_DBG_GOTO_IF_FAIL(func_layer->layer_get_property, unlock);
 569                                         ret = func_layer->layer_get_property(private_layer->layer_backend,
 570                                                                                                                  private_layer->caps.props[i].id,
 571                                                                                                                  &value);
 572                                         TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 573                                         TDM_SNPRINTF(reply, len, "\t\t%s\t%d\t%d\n",
 574                                                                  private_layer->caps.props[i].name,
 575                                                                  private_layer->caps.props[i].id,
 576                                                                  value.u32);
 577                                 }
 578                         }
 579                 }
 580         }
 581         TDM_SNPRINTF(reply, len, "\n");
 582
 583         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 584                 const char *sep = "";
 585                 TDM_SNPRINTF(reply, len, "[PP information]\n");
 586                 TDM_SNPRINTF(reply, len, "caps\t: ");
 587                 tdm_pp_caps_str(private_display->caps_pp.capabilities, &reply, len);
 588                 TDM_SNPRINTF(reply, len, "\n");
 589                 TDM_SNPRINTF(reply, len, "formats\t: ");
 590                 for (i = 0; i < private_display->caps_pp.format_count; i++) {
 591                         if (private_display->caps_pp.formats[i] == 0)
 592                                 continue;
 593                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_pp.formats[i]));
 594                         sep = ",";
 595                 }
 596                 TDM_SNPRINTF(reply, len, "\n");
 597                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 598                                          TDM_FRONT_VALUE(private_display->caps_pp.min_w),
 599                                          TDM_FRONT_VALUE(private_display->caps_pp.min_h),
 600                                          TDM_FRONT_VALUE(private_display->caps_pp.max_w),
 601                                          TDM_FRONT_VALUE(private_display->caps_pp.max_h),
 602                                          TDM_FRONT_VALUE(private_display->caps_pp.preferred_align));
 603                 if (!LIST_IS_EMPTY(&private_display->pp_list)) {
 604                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 605                         TDM_SNPRINTF(reply, len, "src(format size crop)  |  dst(format size crop)  |  transform\n");
 606                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 607                         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 608                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %dx%d %dx%d+%d+%d | %c%c%c%c %dx%d %dx%d+%d+%d | %s\n",
 609                                                          FOURCC_STR(private_pp->info.src_config.format),
 610                                                          private_pp->info.src_config.size.h,
 611                                                          private_pp->info.src_config.size.v,
 612                                                          private_pp->info.src_config.pos.x, private_pp->info.src_config.pos.y,
 613                                                          private_pp->info.src_config.pos.w, private_pp->info.src_config.pos.h,
 614                                                          FOURCC_STR(private_pp->info.dst_config.format),
 615                                                          private_pp->info.dst_config.size.h,
 616                                                          private_pp->info.dst_config.size.v,
 617                                                          private_pp->info.dst_config.pos.x, private_pp->info.dst_config.pos.y,
 618                                                          private_pp->info.dst_config.pos.w, private_pp->info.dst_config.pos.h,
 619                                                          tdm_transform_str(private_pp->info.transform));
 620                         }
 621                 }
 622         } else {
 623                 TDM_SNPRINTF(reply, len, "[No PP capability]\n");
 624         }
 625         TDM_SNPRINTF(reply, len, "\n");
 626
 627         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 628                 const char *sep = "";
 629                 TDM_SNPRINTF(reply, len, "[Capture information]\n");
 630                 TDM_SNPRINTF(reply, len, "caps\t: ");
 631                 tdm_capture_caps_str(private_display->caps_capture.capabilities, &reply, len);
 632                 TDM_SNPRINTF(reply, len, "\n");
 633                 TDM_SNPRINTF(reply, len, "formats\t: ");
 634                 for (i = 0; i < private_display->caps_capture.format_count; i++) {
 635                         if (private_display->caps_capture.formats[i] == 0)
 636                                 continue;
 637                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_capture.formats[i]));
 638                         sep = ",";
 639                 }
 640                 TDM_SNPRINTF(reply, len, "\n");
 641                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 642                                          TDM_FRONT_VALUE(private_display->caps_capture.min_w),
 643                                          TDM_FRONT_VALUE(private_display->caps_capture.min_h),
 644                                          TDM_FRONT_VALUE(private_display->caps_capture.max_w),
 645                                          TDM_FRONT_VALUE(private_display->caps_capture.max_h),
 646                                          TDM_FRONT_VALUE(private_display->caps_capture.preferred_align));
 647                 if (!LIST_IS_EMPTY(&private_display->capture_list)) {
 648                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
 649                         TDM_SNPRINTF(reply, len, "dst(format size crop)  |  transform\n");
 650                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
 651                         LIST_FOR_EACH_ENTRY(private_capture, &private_display->capture_list, link) {
 652                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %dx%d %dx%d+%d+%d | %s\n",
 653                                                          FOURCC_STR(private_capture->info.dst_config.format),
 654                                                          private_capture->info.dst_config.size.h,
 655                                                          private_capture->info.dst_config.size.v,
 656                                                          private_capture->info.dst_config.pos.x, private_capture->info.dst_config.pos.y,
 657                                                          private_capture->info.dst_config.pos.w, private_capture->info.dst_config.pos.h,
 658                                                          tdm_transform_str(private_capture->info.transform));
 659                         }
 660                 }
 661         } else {
 662                 TDM_SNPRINTF(reply, len, "[No Capture capability]\n");
 663         }
 664         TDM_SNPRINTF(reply, len, "\n");
 665
 666 unlock:
 667         _pthread_mutex_unlock(&private_display->lock);
 668 }