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 void
 297 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
 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                 if (!pos) {
 311                         memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
 312                 } else {
 313                         unsigned char *p;
 314                         int x, y;
 315                         for (y = pos->y; y <= (pos->y + pos->h); y++) {
 316                                 p = info.planes[0].ptr + info.planes[0].stride * y;
 317                                 for (x = pos->x; x <= (pos->x + pos->w); x++) {
 318                                         int *ibuf = (int*)p;
 319                                         ibuf[x] = 0x00000000;
 320                                 }
 321                         }
 322                 }
 323                 break;
 324         case TBM_FORMAT_YVU420:
 325         case TBM_FORMAT_YUV420:
 326                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 327                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 328                 memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
 329                 break;
 330         case TBM_FORMAT_NV12:
 331         case TBM_FORMAT_NV21:
 332                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 333                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 334                 break;
 335         case TBM_FORMAT_YUYV: {
 336                 int *ibuf = (int*)info.planes[0].ptr;
 337                 int i, size = info.planes[0].stride * info.height / 4;
 338
 339                 for (i = 0 ; i < size ; i++)
 340                         ibuf[i] = 0x10801080;
 341         }
 342         break;
 343         case TBM_FORMAT_UYVY: {
 344                 int *ibuf = (int*)info.planes[0].ptr;
 345                 int i, size = info.planes[0].stride * info.height / 4;
 346
 347                 for (i = 0 ; i < size ; i++)
 348                         ibuf[i] = 0x80108010; /* YUYV -> 0xVYUY */
 349         }
 350         break;
 351         default:
 352                 TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
 353                 break;
 354         }
 355
 356         tbm_surface_unmap(buffer);
 357 }
 358
 359 EXTERN void
 360 tdm_helper_clear_buffer(tbm_surface_h buffer)
 361 {
 362         TDM_RETURN_IF_FAIL(buffer != NULL);
 363
 364         tdm_helper_clear_buffer_pos(buffer, NULL);
 365 }
 366
 367 EXTERN int
 368 tdm_helper_get_fd(const char *env)
 369 {
 370         const char *value;
 371         int fd, newfd, flags, ret;
 372
 373         value = (const char*)getenv(env);
 374         if (!value)
 375                 return -1;
 376
 377         ret = sscanf(value, "%d", &fd);
 378         if (ret < 0) {
 379                 TDM_ERR("sscanf failed: %m");
 380                 return -1;
 381         }
 382
 383         flags = fcntl(fd, F_GETFD);
 384         if (flags == -1) {
 385                 TDM_ERR("fcntl failed: %m");
 386                 return -1;
 387         }
 388
 389         newfd = dup(fd);
 390         if (newfd < 0) {
 391                 TDM_ERR("dup failed: %m");
 392                 return -1;
 393         }
 394
 395         TDM_INFO("%s: fd(%d) newfd(%d)", env, fd, newfd);
 396
 397         fcntl(newfd, F_SETFD, flags | FD_CLOEXEC);
 398
 399         return newfd;
 400 }
 401
 402 EXTERN void
 403 tdm_helper_set_fd(const char *env, int fd)
 404 {
 405         char buf[32];
 406         int ret;
 407
 408         snprintf(buf, sizeof(buf), "%d", fd);
 409
 410         ret = setenv(env, (const char*)buf, 1);
 411         if (ret) {
 412                 TDM_ERR("setenv failed: %m");
 413                 return;
 414         }
 415
 416         if (fd >= 0)
 417                 TDM_INFO("%s: fd(%d)", env, fd);
 418 }
 419
 420 EXTERN void
 421 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
 422 {
 423         tdm_private_display *private_display;
 424         tdm_backend_module *module_data;
 425         tdm_func_output *func_output;
 426         tdm_func_layer *func_layer;
 427         tdm_private_output *private_output = NULL;
 428         tdm_private_layer *private_layer = NULL;
 429         tdm_private_pp *private_pp = NULL;
 430         tdm_private_capture *private_capture = NULL;
 431         tdm_error ret;
 432         int i;
 433
 434         TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
 435
 436         private_display = dpy;
 437         func_output = &private_display->func_output;
 438         func_layer = &private_display->func_layer;
 439         _pthread_mutex_lock(&private_display->lock);
 440
 441         /* module information */
 442         module_data = private_display->module_data;
 443         TDM_SNPRINTF(reply, len, "[TDM backend information]\n");
 444         TDM_SNPRINTF(reply, len, "name: %s\n", module_data->name);
 445         TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
 446         TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
 447                                  (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
 448                                  (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
 449
 450         /* output information */
 451         TDM_SNPRINTF(reply, len, "[Output information]\n");
 452         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 453         TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
 454         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 455         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 456                 TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %d   %d   %dx%d   %dx%d   %dx%d\n",
 457                                          private_output->index, private_output->caps.maker,
 458                                          private_output->caps.model, private_output->caps.name,
 459                                          tdm_conn_str(private_output->caps.type),
 460                                          tdm_status_str(private_output->caps.status),
 461                                          tdm_dpms_str(private_output->current_dpms_value),
 462                                          private_output->caps.subpixel,
 463                                          TDM_FRONT_VALUE(private_output->caps.preferred_align),
 464                                          TDM_FRONT_VALUE(private_output->caps.min_w),
 465                                          TDM_FRONT_VALUE(private_output->caps.min_h),
 466                                          TDM_FRONT_VALUE(private_output->caps.max_w),
 467                                          TDM_FRONT_VALUE(private_output->caps.max_h),
 468                                          private_output->caps.mmWidth, private_output->caps.mmHeight);
 469
 470                 TDM_SNPRINTF(reply, len, "\t%d modes:\n", private_output->caps.mode_count);
 471
 472                 if (private_output->caps.mode_count > 0) {
 473                         const tdm_output_mode *current_mode = NULL;
 474
 475                         TDM_DBG_GOTO_IF_FAIL(func_output->output_get_mode, unlock);
 476                         ret = func_output->output_get_mode(private_output->output_backend, &current_mode);
 477                         TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 478
 479                         TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) clk hdisp hss hse htot vdisp vss vse vtot vscan\n");
 480                         for (i = 0; i < private_output->caps.mode_count; i++) {
 481                                 char *current = (current_mode == private_output->caps.modes + i) ? "*" : " ";
 482                                 TDM_SNPRINTF(reply, len, "\t\t%s%s %d %d %d %d %d %d %d %d %d %d %d ",
 483                                                          current,
 484                                                          private_output->caps.modes[i].name,
 485                                                          private_output->caps.modes[i].vrefresh,
 486                                                          private_output->caps.modes[i].clock,
 487                                                          private_output->caps.modes[i].hdisplay,
 488                                                          private_output->caps.modes[i].hsync_start,
 489                                                          private_output->caps.modes[i].hsync_end,
 490                                                          private_output->caps.modes[i].htotal,
 491                                                          private_output->caps.modes[i].vdisplay,
 492                                                          private_output->caps.modes[i].vsync_start,
 493                                                          private_output->caps.modes[i].vsync_end,
 494                                                          private_output->caps.modes[i].vtotal,
 495                                                          private_output->caps.modes[i].vscan);
 496                                 tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
 497                                 TDM_SNPRINTF(reply, len, " ");
 498                                 tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
 499                                 TDM_SNPRINTF(reply, len, "\n");
 500                         }
 501                 }
 502
 503                 TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
 504                 if (private_output->caps.prop_count > 0) {
 505                         TDM_SNPRINTF(reply, len, "\t\tname\tidx\tvalue\n");
 506                         for (i = 0; i < private_output->caps.prop_count; i++) {
 507                                 tdm_value value;
 508                                 TDM_DBG_GOTO_IF_FAIL(func_output->output_get_property, unlock);
 509                                 ret = func_output->output_get_property(private_output->output_backend,
 510                                                                                                            private_output->caps.props[i].id,
 511                                                                                                            &value);
 512                                 TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 513                                 TDM_SNPRINTF(reply, len, "\t\t%s\t%d\t%d\n",
 514                                                          private_output->caps.props[i].name,
 515                                                          private_output->caps.props[i].id,
 516                                                          value.u32);
 517                         }
 518                 }
 519         }
 520         TDM_SNPRINTF(reply, len, "\n");
 521
 522         /* layer information */
 523         TDM_SNPRINTF(reply, len, "[Layer information]\n");
 524         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 525         TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
 526         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 527         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 528                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 529                         if (!private_layer->usable) {
 530                                 tdm_info_layer info;
 531                                 unsigned int format;
 532                                 tdm_size size;
 533                                 tbm_surface_info_s buf_info;
 534
 535                                 TDM_DBG_GOTO_IF_FAIL(func_layer->layer_get_info, unlock);
 536                                 memset(&info, 0, sizeof info);
 537                                 ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
 538                                 TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 539
 540                                 format = tbm_surface_get_format(private_layer->showing_buffer);
 541                                 tbm_surface_get_info(private_layer->showing_buffer, &buf_info);
 542
 543                                 if (IS_RGB(format))
 544                                         size.h = buf_info.planes[0].stride >> 2;
 545                                 else
 546                                         size.h = buf_info.planes[0].stride;
 547                                 size.v = tbm_surface_get_height(private_layer->showing_buffer);
 548
 549                                 if (info.src_config.format)
 550                                         format = (info.src_config.format)?:format;
 551
 552                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %dx%d   %dx%d+%d+%d   %dx%d+%d+%d   %s\n",
 553                                                          private_layer->index,
 554                                                          private_output->index,
 555                                                          private_layer->caps.zpos,
 556                                                          private_layer->showing_buffer, FOURCC_STR(format), size.h, size.v,
 557                                                          info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
 558                                                          info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
 559                                                          tdm_transform_str(info.transform));
 560                         } else {
 561                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
 562                                                          private_layer->index,
 563                                                          private_output->index,
 564                                                          private_layer->caps.zpos);
 565                         }
 566
 567                         TDM_SNPRINTF(reply, len, "\tcaps\t: ");
 568                         tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
 569                         TDM_SNPRINTF(reply, len, "\n");
 570
 571                         TDM_SNPRINTF(reply, len, "\tformats\t: ");
 572                         if (private_layer->caps.format_count > 0) {
 573                                 const char *sep = "";
 574                                 for (i = 0; i < private_layer->caps.format_count; i++) {
 575                                         if (private_layer->caps.formats[i] == 0)
 576                                                 continue;
 577                                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
 578                                         sep = ",";
 579                                 }
 580                                 TDM_SNPRINTF(reply, len, "\n");
 581                         }
 582
 583                         TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_layer->caps.prop_count);
 584                         if (private_layer->caps.prop_count > 0) {
 585                                 TDM_SNPRINTF(reply, len, "\t\tname\tidx\tvalue\n");
 586                                 for (i = 0; i < private_layer->caps.prop_count; i++) {
 587                                         tdm_value value;
 588                                         TDM_DBG_GOTO_IF_FAIL(func_layer->layer_get_property, unlock);
 589                                         ret = func_layer->layer_get_property(private_layer->layer_backend,
 590                                                                                                                  private_layer->caps.props[i].id,
 591                                                                                                                  &value);
 592                                         TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 593                                         TDM_SNPRINTF(reply, len, "\t\t%s\t%d\t%d\n",
 594                                                                  private_layer->caps.props[i].name,
 595                                                                  private_layer->caps.props[i].id,
 596                                                                  value.u32);
 597                                 }
 598                         }
 599                 }
 600         }
 601         TDM_SNPRINTF(reply, len, "\n");
 602
 603         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 604                 const char *sep = "";
 605                 TDM_SNPRINTF(reply, len, "[PP information]\n");
 606                 TDM_SNPRINTF(reply, len, "caps\t: ");
 607                 tdm_pp_caps_str(private_display->caps_pp.capabilities, &reply, len);
 608                 TDM_SNPRINTF(reply, len, "\n");
 609                 TDM_SNPRINTF(reply, len, "formats\t: ");
 610                 for (i = 0; i < private_display->caps_pp.format_count; i++) {
 611                         if (private_display->caps_pp.formats[i] == 0)
 612                                 continue;
 613                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_pp.formats[i]));
 614                         sep = ",";
 615                 }
 616                 TDM_SNPRINTF(reply, len, "\n");
 617                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 618                                          TDM_FRONT_VALUE(private_display->caps_pp.min_w),
 619                                          TDM_FRONT_VALUE(private_display->caps_pp.min_h),
 620                                          TDM_FRONT_VALUE(private_display->caps_pp.max_w),
 621                                          TDM_FRONT_VALUE(private_display->caps_pp.max_h),
 622                                          TDM_FRONT_VALUE(private_display->caps_pp.preferred_align));
 623                 if (!LIST_IS_EMPTY(&private_display->pp_list)) {
 624                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 625                         TDM_SNPRINTF(reply, len, "src(format size crop)  |  dst(format size crop)  |  transform\n");
 626                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 627                         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 628                                 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",
 629                                                          FOURCC_STR(private_pp->info.src_config.format),
 630                                                          private_pp->info.src_config.size.h,
 631                                                          private_pp->info.src_config.size.v,
 632                                                          private_pp->info.src_config.pos.x, private_pp->info.src_config.pos.y,
 633                                                          private_pp->info.src_config.pos.w, private_pp->info.src_config.pos.h,
 634                                                          FOURCC_STR(private_pp->info.dst_config.format),
 635                                                          private_pp->info.dst_config.size.h,
 636                                                          private_pp->info.dst_config.size.v,
 637                                                          private_pp->info.dst_config.pos.x, private_pp->info.dst_config.pos.y,
 638                                                          private_pp->info.dst_config.pos.w, private_pp->info.dst_config.pos.h,
 639                                                          tdm_transform_str(private_pp->info.transform));
 640                         }
 641                 }
 642         } else {
 643                 TDM_SNPRINTF(reply, len, "[No PP capability]\n");
 644         }
 645         TDM_SNPRINTF(reply, len, "\n");
 646
 647         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 648                 const char *sep = "";
 649                 TDM_SNPRINTF(reply, len, "[Capture information]\n");
 650                 TDM_SNPRINTF(reply, len, "caps\t: ");
 651                 tdm_capture_caps_str(private_display->caps_capture.capabilities, &reply, len);
 652                 TDM_SNPRINTF(reply, len, "\n");
 653                 TDM_SNPRINTF(reply, len, "formats\t: ");
 654                 for (i = 0; i < private_display->caps_capture.format_count; i++) {
 655                         if (private_display->caps_capture.formats[i] == 0)
 656                                 continue;
 657                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_capture.formats[i]));
 658                         sep = ",";
 659                 }
 660                 TDM_SNPRINTF(reply, len, "\n");
 661                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 662                                          TDM_FRONT_VALUE(private_display->caps_capture.min_w),
 663                                          TDM_FRONT_VALUE(private_display->caps_capture.min_h),
 664                                          TDM_FRONT_VALUE(private_display->caps_capture.max_w),
 665                                          TDM_FRONT_VALUE(private_display->caps_capture.max_h),
 666                                          TDM_FRONT_VALUE(private_display->caps_capture.preferred_align));
 667                 if (!LIST_IS_EMPTY(&private_display->capture_list)) {
 668                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
 669                         TDM_SNPRINTF(reply, len, "dst(format size crop)  |  transform\n");
 670                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
 671                         LIST_FOR_EACH_ENTRY(private_capture, &private_display->capture_list, link) {
 672                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %dx%d %dx%d+%d+%d | %s\n",
 673                                                          FOURCC_STR(private_capture->info.dst_config.format),
 674                                                          private_capture->info.dst_config.size.h,
 675                                                          private_capture->info.dst_config.size.v,
 676                                                          private_capture->info.dst_config.pos.x, private_capture->info.dst_config.pos.y,
 677                                                          private_capture->info.dst_config.pos.w, private_capture->info.dst_config.pos.h,
 678                                                          tdm_transform_str(private_capture->info.transform));
 679                         }
 680                 }
 681         } else {
 682                 TDM_SNPRINTF(reply, len, "[No Capture capability]\n");
 683         }
 684         TDM_SNPRINTF(reply, len, "\n");
 685
 686 unlock:
 687         _pthread_mutex_unlock(&private_display->lock);
 688 }