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