src/tdm_private.h

   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 #ifndef _TDM_PRIVATE_H_
  37 #define _TDM_PRIVATE_H_
  38
  39 #include <stdio.h>
  40 #include <string.h>
  41 #include <strings.h>
  42 #include <stdlib.h>
  43 #include <pthread.h>
  44 #include <errno.h>
  45 #include <unistd.h>
  46 #include <limits.h>
  47 #include <sys/types.h>
  48 #include <sys/stat.h>
  49 #include <fcntl.h>
  50 #include <dlfcn.h>
  51 #include <dirent.h>
  52 #include <poll.h>
  53 #include <sys/syscall.h>
  54 #include <sys/types.h>
  55 #include <math.h>
  56 #include <grp.h>
  57
  58 #include <wayland-server-protocol.h>
  59 #include <tbm_bufmgr.h>
  60 #include <tbm_surface_queue.h>
  61
  62 #include "tdm_backend.h"
  63 #include "tdm_log.h"
  64 #include "tdm_list.h"
  65 #include "tdm_macro.h"
  66
  67 #ifdef __cplusplus
  68 extern "C" {
  69 #endif
  70
  71 //#define INIT_BUFMGR
  72
  73 /**
  74  * @file tdm_private.h
  75  * @brief The private header file for a frontend library
  76  */
  77
  78 enum {
  79         TDM_DEBUG_NONE,
  80         TDM_DEBUG_BUFFER    = (1 << 0),
  81         TDM_DEBUG_MUTEX     = (1 << 1),
  82         TDM_DEBUG_THREAD    = (1 << 2),
  83         TDM_DEBUG_SERVER    = (1 << 3),
  84         TDM_DEBUG_VBLANK    = (1 << 4),
  85         TDM_DEBUG_COMMIT    = (1 << 5),
  86 };
  87
  88 enum {
  89         TDM_TTRACE_NONE,
  90         TDM_TTRACE_VBLANK    = (1 << 0),
  91         TDM_TTRACE_CLIENT    = (1 << 1),
  92         TDM_TTRACE_LAYER     = (1 << 2),
  93         TDM_TTRACE_PP        = (1 << 3),
  94         TDM_TTRACE_CAPTURE   = (1 << 4),
  95 };
  96
  97 extern int tdm_debug_module;
  98 extern int tdm_debug_dump;
  99 extern int tdm_ttrace_module;
 100 extern int tdm_ttrace_output;
 101
 102 #ifdef HAVE_TTRACE
 103 #include <ttrace.h>
 104 #define TDM_TRACE_BEGIN(fmt, ...) traceBegin(TTRACE_TAG_GRAPHICS, fmt, ##__VA_ARGS__)
 105 #define TDM_TRACE_END() traceEnd(TTRACE_TAG_GRAPHICS)
 106 #define TDM_TRACE_ASYNC_BEGIN(key, name,...) traceAsyncBegin(TTRACE_TAG_GRAPHICS, key, name, ##__VA_ARGS__)
 107 #define TDM_TRACE_ASYNC_END(key, name,...) traceAsyncEnd(TTRACE_TAG_GRAPHICS, key, name, ##__VA_ARGS__)
 108 #define TDM_TRACE_COUNT(count, fmt, ...) traceCounter(TTRACE_TAG_GRAPHICS, count, fmt, ##__VA_ARGS__)
 109 #define TDM_TRACE_MARK(fmt, ...) traceMark(TTRACE_TAG_GRAPHICS, fmt, ##__VA_ARGS__)
 110 #else
 111 #define TDM_TRACE_BEGIN(fmt, ...)
 112 #define TDM_TRACE_END()
 113 #define TDM_TRACE_ASYNC_BEGIN(key, name,...)
 114 #define TDM_TRACE_ASYNC_END(key, name,...)
 115 #define TDM_TRACE_COUNT(count, fmt, ...)
 116 #define TDM_TRACE_MARK(fmt, ...)
 117 #endif
 118
 119 typedef enum {
 120         TDM_CAPTURE_TARGET_OUTPUT,
 121         TDM_CAPTURE_TARGET_LAYER,
 122 } tdm_capture_target;
 123
 124 enum {
 125         TDM_DUMP_FLAG_LAYER   = (1 << 0),
 126         TDM_DUMP_FLAG_PP      = (1 << 1),
 127         TDM_DUMP_FLAG_CAPTURE = (1 << 2),
 128 };
 129
 130 #define TDM_DUMP_DIR    "/tmp"
 131
 132 typedef enum {
 133         TDM_COMMIT_TYPE_NONE,
 134         TDM_COMMIT_TYPE_OUTPUT,
 135         TDM_COMMIT_TYPE_LAYER,
 136 } tdm_commit_type;
 137
 138 typedef struct _tdm_private_display tdm_private_display;
 139 typedef struct _tdm_private_output tdm_private_output;
 140 typedef struct _tdm_private_layer tdm_private_layer;
 141 typedef struct _tdm_private_pp tdm_private_pp;
 142 typedef struct _tdm_private_capture tdm_private_capture;
 143 typedef struct _tdm_private_loop tdm_private_loop;
 144 typedef struct _tdm_private_server tdm_private_server;
 145 typedef struct _tdm_private_thread tdm_private_thread;
 146 typedef struct _tdm_private_vblank_handler tdm_private_vblank_handler;
 147 typedef struct _tdm_private_output_commit_handler tdm_private_output_commit_handler;
 148 typedef struct _tdm_private_layer_commit_handler tdm_private_layer_commit_handler;
 149 typedef struct _tdm_private_change_handler tdm_private_change_handler;
 150 typedef struct _tdm_private_layer_buffer tdm_private_layer_buffer;
 151
 152 struct _tdm_private_display {
 153         pthread_mutex_t lock;
 154         unsigned int init_count;
 155
 156         /* backend module info */
 157         void *module;
 158         tdm_backend_module *module_data;
 159         tdm_backend_data *bdata;
 160
 161 #ifdef INIT_BUFMGR
 162         tbm_bufmgr bufmgr;
 163 #endif
 164
 165         /* backend function */
 166         tdm_display_capability capabilities;
 167         tdm_func_display func_display;
 168         tdm_func_output func_output;
 169         tdm_func_layer func_layer;
 170         tdm_func_pp func_pp;
 171         tdm_func_capture func_capture;
 172
 173         /* backend capability */
 174         tdm_caps_display caps_display;
 175         tdm_caps_pp caps_pp;
 176         tdm_caps_capture caps_capture;
 177
 178         /* output, pp list */
 179         struct list_head output_list;
 180         struct list_head pp_list;
 181         struct list_head capture_list;
 182
 183         void **outputs_ptr;
 184
 185         /* for event handling */
 186         tdm_private_loop *private_loop;
 187
 188         /* output order */
 189         tdm_output **outputs;
 190
 191         /* calling a output commit per a vblank */
 192         int commit_per_vblank;
 193         tdm_commit_type commit_type;
 194
 195         int print_fps;
 196 };
 197
 198 struct _tdm_private_output {
 199         struct list_head link;
 200
 201         int index;
 202         double stamp;
 203
 204         tdm_private_display *private_display;
 205
 206         tdm_caps_output caps;
 207         tdm_output *output_backend;
 208
 209         unsigned int pipe;
 210         tdm_output_dpms current_dpms_value;
 211         unsigned int waiting_dpms_change;
 212         const tdm_output_mode *current_mode;
 213
 214         int regist_vblank_cb;
 215         int regist_commit_cb;
 216         int regist_change_cb;
 217         int regist_dpms_cb;
 218
 219         struct list_head layer_list;
 220         struct list_head capture_list;
 221         struct list_head vblank_handler_list;
 222         struct list_head output_commit_handler_list;
 223
 224         /* for layer commit */
 225         struct list_head layer_commit_handler_list;
 226         struct list_head pending_commit_handler_list;
 227         tdm_vblank *vblank;
 228         int layer_waiting_vblank;
 229
 230         /* seperate list for multi-thread*/
 231         struct list_head change_handler_list_main;
 232         struct list_head change_handler_list_sub;
 233
 234         void **layers_ptr;
 235
 236         /* TODO: temp solution for handling DPMS things in sub-htread */
 237         tdm_event_loop_source *dpms_changed_timer;
 238
 239         /* for ttrace vblank */
 240         tdm_vblank *ttrace_vblank;
 241 };
 242
 243 struct _tdm_private_layer {
 244         struct list_head link;
 245
 246         int index;
 247
 248         tdm_private_display *private_display;
 249         tdm_private_output *private_output;
 250
 251         tdm_caps_layer caps;
 252         tdm_layer *layer_backend;
 253
 254         /* pending data until committed */
 255         unsigned int pending_info_changed;
 256         tdm_info_layer pending_info;
 257         unsigned int pending_buffer_changed;
 258         tbm_surface_h pending_buffer;
 259
 260         /* When a buffer is set to a layer, it will be stored to waiting_buffer.
 261          * And when a layer is committed, it will be moved to committed_buffer.
 262          * Finally when a commit handler is called, it will be moved to showing_buffer.
 263          */
 264         tdm_private_layer_buffer *waiting_buffer;
 265         tdm_private_layer_buffer *committed_buffer;   /* for output_commit */
 266         tdm_private_layer_buffer *showing_buffer;
 267         tbm_surface_queue_h buffer_queue;
 268
 269         struct list_head capture_list;
 270
 271         unsigned int usable;
 272         unsigned int committing;
 273
 274         double fps_stamp;
 275         unsigned int fps_count;
 276 };
 277
 278 struct _tdm_private_pp {
 279         struct list_head link;
 280
 281         double stamp;
 282
 283         tdm_private_display *private_display;
 284
 285         tdm_pp *pp_backend;
 286
 287         struct list_head pending_buffer_list;
 288         struct list_head buffer_list;
 289
 290         tdm_info_pp info;
 291         pid_t owner_tid;
 292
 293         tdm_pp_done_handler done_func;
 294         void *done_user_data;
 295 };
 296
 297 struct _tdm_private_capture {
 298         struct list_head link;
 299         struct list_head display_link;
 300
 301         double stamp;
 302
 303         tdm_capture_target target;
 304
 305         tdm_private_display *private_display;
 306         tdm_private_output *private_output;
 307         tdm_private_layer *private_layer;
 308
 309         tdm_capture *capture_backend;
 310
 311         struct list_head pending_buffer_list;
 312         struct list_head buffer_list;
 313
 314         tdm_info_capture info;
 315         pid_t owner_tid;
 316
 317         tdm_capture_done_handler done_func;
 318         void *done_user_data;
 319 };
 320
 321 /* CAUTION:
 322  * Note that we don't need to (un)lock mutex to use this structure. If there is
 323  * no TDM thread, all TDM resources are protected by private_display's mutex.
 324  * If there is a TDM thread, this struct will be used only in a TDM thread.
 325  * So, we don't need to protect this structure by mutex. Not thread-safe.
 326  */
 327 struct _tdm_private_loop {
 328         /* TDM uses wl_event_loop to handle various event sources including the TDM
 329          * backend's fd.
 330          */
 331         struct wl_display *wl_display;
 332         struct wl_event_loop *wl_loop;
 333
 334         int backend_fd;
 335         tdm_event_loop_source *backend_source;
 336
 337         /* In event loop, all resources are accessed by this dpy.
 338          * CAUTION:
 339          * - DO NOT include other private structure in this structure because this
 340          *   struct is not protected by mutex.
 341          */
 342         tdm_display *dpy;
 343
 344         /* for handling TDM client requests */
 345         tdm_private_server *private_server;
 346
 347         /* To have a TDM event thread. If TDM_THREAD enviroment variable is not set
 348          * private_thread is NULL.
 349          */
 350         tdm_private_thread *private_thread;
 351 };
 352
 353 struct _tdm_private_vblank_handler {
 354         struct list_head link;
 355
 356         tdm_private_output *private_output;
 357         int interval;
 358         int sync;
 359         tdm_output_vblank_handler func;
 360         void *user_data;
 361
 362         pid_t owner_tid;
 363 };
 364
 365 struct _tdm_private_output_commit_handler {
 366         struct list_head link;
 367
 368         tdm_private_output *private_output;
 369         tdm_output_commit_handler func;
 370         void *user_data;
 371
 372         pid_t owner_tid;
 373 };
 374
 375 struct _tdm_private_layer_commit_handler {
 376         struct list_head link;
 377
 378         tdm_private_layer *private_layer;
 379         tdm_layer_commit_handler func;
 380         void *user_data;
 381
 382         tdm_private_layer_buffer *committed_buffer;   /* for layer_commit */
 383 };
 384
 385 struct _tdm_private_change_handler {
 386         struct list_head link;
 387
 388         tdm_private_output *private_output;
 389         tdm_output_change_handler func;
 390         void *user_data;
 391
 392         pid_t owner_tid;
 393 };
 394
 395 struct _tdm_private_layer_buffer {
 396         tbm_surface_h buffer;
 397         struct list_head link;
 398 };
 399
 400 typedef struct _tdm_buffer_info {
 401         tbm_surface_h buffer;
 402
 403         /* ref_count for backend */
 404         int backend_ref_count;
 405
 406         struct list_head release_funcs;
 407         struct list_head destroy_funcs;
 408
 409         struct list_head *list;
 410         struct list_head link;
 411 } tdm_buffer_info;
 412
 413 typedef struct _tdm_pp_private_buffer {
 414         tbm_surface_h src;
 415         tbm_surface_h dst;
 416         struct list_head link;
 417         struct list_head commit_link;
 418 } tdm_pp_private_buffer;
 419
 420 typedef struct _tdm_capture_private_buffer {
 421         tbm_surface_h buffer;
 422         struct list_head link;
 423         struct list_head commit_link;
 424 } tdm_capture_private_buffer;
 425
 426 int
 427 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin);
 428
 429 tdm_private_output *
 430 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp);
 431 tdm_private_pp *
 432 tdm_pp_find_stamp(tdm_private_display *private_display, double stamp);
 433 tdm_private_capture *
 434 tdm_capture_find_stamp(tdm_private_display *private_display, double stamp);
 435
 436 void
 437 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 438                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 439 void
 440 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 441                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 442 void
 443 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 444                                          void *user_data);
 445 void
 446 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms,
 447                                    void *user_data);
 448 tdm_error
 449 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 450                                                                  tdm_output_vblank_handler func, void *user_data);
 451 tdm_error
 452 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data);
 453 tdm_error
 454 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value);
 455
 456 void
 457 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data);
 458 void
 459 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data);
 460 void
 461 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
 462
 463 tdm_error
 464 tdm_layer_commit_pending_data(tdm_private_layer *private_layer);
 465 void
 466 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer);
 467
 468 void
 469 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 470                            void *user_data);
 471 void
 472 tdm_capture_cb_done(tdm_capture *capture_backend, tbm_surface_h buffer,
 473                                         void *user_data);
 474 tdm_error
 475 tdm_vblank_cb_vblank_SW(tdm_vblank *vblank, double vblank_stamp);
 476 tdm_error
 477 tdm_vblank_set_add_front(tdm_vblank *vblank, unsigned int add_front);
 478 tdm_error
 479 tdm_vblank_set_resource(tdm_vblank *vblank, struct wl_resource *resource);
 480 double
 481 tdm_vblank_get_stamp(tdm_vblank *vblank);
 482 tdm_error
 483 tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
 484 void
 485 tdm_vblank_get_vblank_list_information(tdm_display *dpy, char *reply, int *len);
 486
 487 void
 488 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
 489                                                                                 struct list_head *change_handler_list,
 490                                                                                 tdm_output_change_type type,
 491                                                                                 tdm_value value,
 492                                                                                 int no_check_thread_id);
 493
 494 tdm_private_pp *
 495 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error);
 496 void
 497 tdm_pp_destroy_internal(tdm_private_pp *private_pp);
 498
 499 tdm_private_capture *
 500 tdm_capture_create_output_internal(tdm_private_output *private_output,
 501                                                                    tdm_error *error);
 502 tdm_private_capture *
 503 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 504                                                                   tdm_error *error);
 505 void
 506 tdm_capture_destroy_internal(tdm_private_capture *private_capture);
 507
 508 /* utility buffer functions for private */
 509 tdm_buffer_info*
 510 tdm_buffer_get_info(tbm_surface_h buffer);
 511 tbm_surface_h
 512 tdm_buffer_list_get_first_entry(struct list_head *list);
 513 void
 514 tdm_buffer_list_dump(struct list_head *list);
 515
 516 void
 517 tdm_buffer_remove_release_handler_internal(tbm_surface_h buffer);
 518
 519 /* event functions for private */
 520 tdm_error
 521 tdm_event_loop_init(tdm_private_display *private_display);
 522 void
 523 tdm_event_loop_deinit(tdm_private_display *private_display);
 524 void
 525 tdm_event_loop_stop(tdm_private_display *private_display);
 526 void
 527 tdm_event_loop_create_backend_source(tdm_private_display *private_display);
 528 int
 529 tdm_event_loop_get_fd(tdm_private_display *private_display);
 530 tdm_error
 531 tdm_event_loop_dispatch(tdm_private_display *private_display);
 532 void
 533 tdm_event_loop_flush(tdm_private_display *private_display);
 534 tdm_error
 535 tdm_event_loop_trace_enable(tdm_private_display *private_display, unsigned int enable);
 536
 537 typedef enum {
 538         TDM_THREAD_CB_NONE,
 539         TDM_THREAD_CB_OUTPUT_COMMIT,
 540         TDM_THREAD_CB_OUTPUT_VBLANK,
 541         TDM_THREAD_CB_OUTPUT_STATUS,
 542         TDM_THREAD_CB_OUTPUT_DPMS,
 543         TDM_THREAD_CB_PP_DONE,
 544         TDM_THREAD_CB_CAPTURE_DONE,
 545         TDM_THREAD_CB_VBLANK_SW,
 546 } tdm_thread_cb_type;
 547
 548 typedef struct _tdm_thread_cb_base tdm_thread_cb_base;
 549 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_commit;
 550 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_vblank;
 551 typedef struct _tdm_thread_cb_output_status tdm_thread_cb_output_status;
 552 typedef struct _tdm_thread_cb_output_dpms tdm_thread_cb_output_dpms;
 553 typedef struct _tdm_thread_cb_pp_done tdm_thread_cb_pp_done;
 554 typedef struct _tdm_thread_cb_capture_done tdm_thread_cb_capture_done;
 555 typedef struct _tdm_thread_cb_vblank_sw tdm_thread_cb_vblank_sw;
 556
 557 struct _tdm_thread_cb_base {
 558         tdm_thread_cb_type type;
 559         unsigned int length;
 560 };
 561
 562 struct _tdm_thread_cb_output_vblank {
 563         tdm_thread_cb_base base;
 564         double output_stamp;
 565         unsigned int sequence;
 566         unsigned int tv_sec;
 567         unsigned int tv_usec;
 568         void *user_data;
 569 };
 570
 571 struct _tdm_thread_cb_output_status {
 572         tdm_thread_cb_base base;
 573         double output_stamp;
 574         tdm_output_conn_status status;
 575         void *user_data;
 576 };
 577
 578 struct _tdm_thread_cb_output_dpms {
 579         tdm_thread_cb_base base;
 580         double output_stamp;
 581         tdm_output_dpms dpms;
 582         void *user_data;
 583 };
 584
 585 struct _tdm_thread_cb_pp_done {
 586         tdm_thread_cb_base base;
 587         double pp_stamp;
 588         tbm_surface_h src;
 589         tbm_surface_h dst;
 590         void *user_data;
 591 };
 592
 593 struct _tdm_thread_cb_capture_done {
 594         tdm_thread_cb_base base;
 595         double capture_stamp;
 596         tbm_surface_h buffer;
 597         void *user_data;
 598 };
 599
 600 struct _tdm_thread_cb_vblank_sw {
 601         tdm_thread_cb_base base;
 602         double vblank_stamp;
 603 };
 604
 605 tdm_error
 606 tdm_thread_init(tdm_private_loop *private_loop);
 607 void
 608 tdm_thread_deinit(tdm_private_loop *private_loop);
 609 int
 610 tdm_thread_get_fd(tdm_private_loop *private_loop);
 611 tdm_error
 612 tdm_thread_send_cb(tdm_private_loop *private_loop, tdm_thread_cb_base *base);
 613 tdm_error
 614 tdm_thread_handle_cb(tdm_private_loop *private_loop);
 615 int
 616 tdm_thread_in_display_thread(pid_t tid);
 617 int
 618 tdm_thread_is_running(void);
 619
 620 tdm_error
 621 tdm_server_init(tdm_private_loop *private_loop);
 622 void
 623 tdm_server_deinit(tdm_private_loop *private_loop);
 624 const char*
 625 tdm_server_get_client_name(pid_t pid);
 626 tdm_error
 627 tdm_server_enable_ttrace_client_vblank(tdm_display *dpy, tdm_output *output, int enable);
 628
 629 char *
 630 tdm_helper_dump_make_directory(const char *path, char *reply, int *len);
 631 void
 632 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str);
 633 double
 634 tdm_helper_get_time(void);
 635
 636 extern pthread_mutex_t tdm_mutex_check_lock;
 637 extern int tdm_mutex_locked;
 638 extern const char *tdm_mutex_lock_func;
 639 extern int tdm_mutex_lock_line;
 640 extern const char *tdm_mutex_unlock_func;
 641 extern int tdm_mutex_unlock_line;
 642 extern int tdm_dump_enable;
 643 extern char *tdm_debug_dump_dir;
 644
 645 #define _pthread_mutex_unlock(l) \
 646         do { \
 647                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 648                         TDM_INFO("mutex unlock"); \
 649                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 650                 tdm_mutex_locked = 0; \
 651                 tdm_mutex_lock_func = NULL; \
 652                 tdm_mutex_lock_line = 0; \
 653                 tdm_mutex_unlock_func = __FUNCTION__; \
 654                 tdm_mutex_unlock_line = __LINE__; \
 655                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 656                 pthread_mutex_unlock(l); \
 657         } while (0)
 658 #ifdef TDM_CONFIG_MUTEX_TIMEOUT
 659 #define MUTEX_TIMEOUT_SEC 5
 660 #define _pthread_mutex_lock(l) \
 661         do { \
 662                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 663                         TDM_INFO("mutex lock"); \
 664                 struct timespec rtime; \
 665                 clock_gettime(CLOCK_REALTIME, &rtime); \
 666                 rtime.tv_sec += MUTEX_TIMEOUT_SEC; \
 667                 if (pthread_mutex_timedlock(l, &rtime)) { \
 668                         TDM_ERR("Mutex lock failed PID %d", getpid()); \
 669                         _pthread_mutex_unlock(l); \
 670                 } \
 671                 else { \
 672                         pthread_mutex_lock(&tdm_mutex_check_lock); \
 673                         tdm_mutex_locked = 1; \
 674                         tdm_mutex_lock_func = __FUNCTION__; \
 675                         tdm_mutex_lock_line = __LINE__; \
 676                         tdm_mutex_unlock_func = NULL; \
 677                         tdm_mutex_unlock_line = 0; \
 678                         pthread_mutex_unlock(&tdm_mutex_check_lock); \
 679                 } \
 680         } while (0)
 681 #else //TDM_CONFIG_MUTEX_TIMEOUT
 682 #define _pthread_mutex_lock(l) \
 683         do { \
 684                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 685                         TDM_INFO("mutex lock"); \
 686                 pthread_mutex_lock(l); \
 687                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 688                 tdm_mutex_locked = 1; \
 689                 tdm_mutex_lock_func = __FUNCTION__; \
 690                 tdm_mutex_lock_line = __LINE__; \
 691                 tdm_mutex_unlock_func = NULL; \
 692                 tdm_mutex_unlock_line = 0; \
 693                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 694         } while (0)
 695 #endif //TDM_CONFIG_MUTEX_TIMEOUT
 696 //#define TDM_MUTEX_IS_LOCKED() (tdm_mutex_locked == 1)
 697 static inline int TDM_MUTEX_IS_LOCKED(void)
 698 {
 699         int ret;
 700         /* if thread is not running, we don't need to consider mutex things. */
 701         if (!tdm_thread_is_running())
 702                 return 1;
 703         pthread_mutex_lock(&tdm_mutex_check_lock);
 704         ret = (tdm_mutex_locked == 1);
 705         pthread_mutex_unlock(&tdm_mutex_check_lock);
 706         return ret;
 707 }
 708
 709 #define tdm_display_lock(dpy)   _pthread_mutex_lock(&((tdm_private_display *)dpy)->lock)
 710 #define tdm_display_unlock(dpy)   _pthread_mutex_unlock(&((tdm_private_display *)dpy)->lock)
 711
 712 tdm_error
 713 tdm_display_update_output(tdm_private_display *private_display,
 714                                                   tdm_output *output_backend, int pipe);
 715 tdm_error
 716 tdm_display_enable_debug_module(const char*modules);
 717 tdm_error
 718 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len);
 719 tdm_error
 720 tdm_display_enable_path(const char *path);
 721 tdm_error
 722 tdm_display_enable_ttrace(tdm_private_display *private_display, const char *ttrace, int output_id, char *reply, int *len);
 723 tdm_error
 724 tdm_display_enable_commit_per_vblank(tdm_private_display *private_display, int enable);
 725 tdm_error
 726 tdm_display_enable_fps(tdm_private_display *private_display, int enable);
 727
 728 void
 729 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len);
 730
 731
 732 struct argument_details {
 733         char type;
 734         int nullable;
 735 };
 736
 737
 738 #ifdef __cplusplus
 739 }
 740 #endif
 741
 742 #endif /* _TDM_PRIVATE_H_ */