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 <sys/eventfd.h>
  56 #include <math.h>
  57 #include <grp.h>
  58
  59 #include <wayland-server-protocol.h>
  60 #include <tbm_bufmgr.h>
  61 #include <tbm_surface_queue.h>
  62
  63 #include "tdm_backend.h"
  64 #include "tdm_log.h"
  65 #include "tdm_list.h"
  66 #include "tdm_macro.h"
  67
  68 #ifdef __cplusplus
  69 extern "C" {
  70 #endif
  71
  72 //#define INIT_BUFMGR
  73
  74 /**
  75  * @file tdm_private.h
  76  * @brief The private header file for a frontend library
  77  */
  78
  79 enum {
  80         TDM_DEBUG_NONE,
  81         TDM_DEBUG_BUFFER    = (1 << 0),
  82         TDM_DEBUG_MUTEX     = (1 << 1),
  83         TDM_DEBUG_THREAD    = (1 << 2),
  84         TDM_DEBUG_SERVER    = (1 << 3),
  85         TDM_DEBUG_VBLANK    = (1 << 4),
  86         TDM_DEBUG_COMMIT    = (1 << 5),
  87 };
  88
  89 extern int tdm_debug_module;
  90 extern int tdm_debug_dump;
  91
  92 #ifdef HAVE_TTRACE
  93 #include <ttrace.h>
  94 #define TDM_TRACE_BEGIN(fmt, ...) traceBegin(TTRACE_TAG_GRAPHICS, fmt, ##__VA_ARGS__)
  95 #define TDM_TRACE_END() traceEnd(TTRACE_TAG_GRAPHICS)
  96 #define TDM_TRACE_ASYNC_BEGIN(key, name,...) traceAsyncBegin(TTRACE_TAG_GRAPHICS, key, name, ##__VA_ARGS__)
  97 #define TDM_TRACE_ASYNC_END(key, name,...) traceAsyncEnd(TTRACE_TAG_GRAPHICS, key, name, ##__VA_ARGS__)
  98 #define TDM_TRACE_COUNT(count, fmt, ...) traceCounter(TTRACE_TAG_GRAPHICS, count, fmt, ##__VA_ARGS__)
  99 #define TDM_TRACE_MARK(fmt, ...) traceMark(TTRACE_TAG_GRAPHICS, fmt, ##__VA_ARGS__)
 100 #else
 101 #define TDM_TRACE_BEGIN(fmt, ...)
 102 #define TDM_TRACE_END()
 103 #define TDM_TRACE_ASYNC_BEGIN(key, name,...)
 104 #define TDM_TRACE_ASYNC_END(key, name,...)
 105 #define TDM_TRACE_COUNT(count, fmt, ...)
 106 #define TDM_TRACE_MARK(fmt, ...)
 107 #endif
 108
 109 typedef enum {
 110         TDM_CAPTURE_TARGET_OUTPUT,
 111         TDM_CAPTURE_TARGET_LAYER,
 112 } tdm_capture_target;
 113
 114 enum {
 115         TDM_DUMP_FLAG_LAYER   = (1 << 0),
 116         TDM_DUMP_FLAG_PP      = (1 << 1),
 117         TDM_DUMP_FLAG_CAPTURE = (1 << 2),
 118         TDM_DUMP_FLAG_WINDOW = (1 << 3),
 119 };
 120
 121 #define TDM_DUMP_DIR    "/tmp"
 122
 123 typedef enum {
 124         TDM_COMMIT_TYPE_NONE,
 125         TDM_COMMIT_TYPE_OUTPUT,
 126         TDM_COMMIT_TYPE_LAYER,
 127 } tdm_commit_type;
 128
 129 typedef struct _tdm_private_display tdm_private_display;
 130 typedef struct _tdm_private_output tdm_private_output;
 131 typedef struct _tdm_private_layer tdm_private_layer;
 132 typedef struct _tdm_private_hwc_window tdm_private_hwc_window;
 133 typedef struct _tdm_private_pp tdm_private_pp;
 134 typedef struct _tdm_private_capture tdm_private_capture;
 135 typedef struct _tdm_private_loop tdm_private_loop;
 136 typedef struct _tdm_private_server tdm_private_server;
 137 typedef struct _tdm_private_thread tdm_private_thread;
 138 typedef struct _tdm_private_vblank_handler tdm_private_vblank_handler;
 139 typedef struct _tdm_private_output_commit_handler tdm_private_output_commit_handler;
 140 typedef struct _tdm_private_layer_commit_handler tdm_private_layer_commit_handler;
 141 typedef struct _tdm_private_change_handler tdm_private_change_handler;
 142 typedef struct _tdm_private_layer_buffer tdm_private_layer_buffer;
 143
 144 struct _tdm_private_display {
 145         pthread_mutex_t lock;
 146         unsigned int init_count;
 147
 148         /* backend module info */
 149         void *module;
 150         tdm_backend_module *module_data;
 151         tdm_backend_data *bdata;
 152
 153 #ifdef INIT_BUFMGR
 154         tbm_bufmgr bufmgr;
 155 #endif
 156
 157         /* backend function */
 158         tdm_display_capability capabilities;
 159         tdm_func_display func_display;
 160         tdm_func_output func_output;
 161         tdm_func_layer func_layer;
 162         tdm_func_hwc_window func_hwc_window;
 163         tdm_func_pp func_pp;
 164         tdm_func_capture func_capture;
 165
 166         /* backend capability */
 167         tdm_caps_display caps_display;
 168         tdm_caps_pp caps_pp;
 169         tdm_caps_capture caps_capture;
 170
 171         /* output, pp list */
 172         struct list_head output_list;
 173         struct list_head pp_list;
 174         struct list_head capture_list;
 175
 176         void **outputs_ptr;
 177
 178         /* for event handling */
 179         tdm_private_loop *private_loop;
 180
 181         /* output order */
 182         tdm_output **outputs;
 183
 184         int print_fps;
 185 };
 186
 187 struct _tdm_private_output {
 188         struct list_head link;
 189
 190         int index;
 191         double stamp;
 192
 193         tdm_private_display *private_display;
 194
 195         tdm_caps_output caps;
 196         tdm_output *output_backend;
 197
 198         unsigned int pipe;
 199         tdm_output_dpms current_dpms_value;
 200         unsigned int waiting_dpms_change;
 201         const tdm_output_mode *current_mode;
 202
 203         int regist_vblank_cb;
 204         int regist_commit_cb;
 205         int regist_change_cb;
 206         int regist_dpms_cb;
 207
 208         struct list_head layer_list;
 209         struct list_head hwc_window_list;
 210         struct list_head capture_list;
 211         struct list_head vblank_handler_list;
 212         struct list_head output_commit_handler_list;
 213
 214         /* for layer commit */
 215         struct list_head layer_commit_handler_list;
 216         struct list_head pending_commit_handler_list;
 217         tdm_vblank *vblank;
 218         int layer_waiting_vblank;
 219
 220         /* seperate list for multi-thread*/
 221         struct list_head change_handler_list_main;
 222         struct list_head change_handler_list_sub;
 223
 224         void **layers_ptr;
 225
 226         /* TODO: temp solution for handling DPMS things in sub-htread */
 227         tdm_event_loop_source *dpms_changed_timer;
 228
 229         struct {
 230                 /* look at the tdm_output_set_need_revalidate_handler() declaration for the details */
 231                 tdm_output_need_validate_handler hndl;
 232                 int event_fd;
 233         } need_validate;
 234
 235         /* calling a output commit per a vblank */
 236         int commit_per_vblank;
 237         tdm_commit_type commit_type;
 238
 239         /* for ttrace vblank */
 240         tdm_vblank *ttrace_vblank;
 241         unsigned int ttrace_vblank_client;
 242 };
 243
 244 struct _tdm_private_layer {
 245         struct list_head link;
 246
 247         int index;
 248
 249         tdm_private_display *private_display;
 250         tdm_private_output *private_output;
 251
 252         tdm_caps_layer caps;
 253         tdm_layer *layer_backend;
 254
 255         /* pending data until committed */
 256         unsigned int pending_info_changed;
 257         tdm_info_layer pending_info;
 258         unsigned int pending_buffer_changed;
 259         tbm_surface_h pending_buffer;
 260
 261         /* When a buffer is set to a layer, it will be stored to waiting_buffer.
 262          * And when a layer is committed, it will be moved to committed_buffer.
 263          * Finally when a commit handler is called, it will be moved to showing_buffer.
 264          */
 265         tdm_private_layer_buffer *waiting_buffer;
 266         tdm_private_layer_buffer *committed_buffer;   /* for output_commit */
 267         tdm_private_layer_buffer *showing_buffer;
 268         tbm_surface_queue_h buffer_queue;
 269
 270         struct list_head capture_list;
 271
 272         unsigned int usable;
 273         unsigned int committing;
 274
 275         double fps_stamp;
 276         unsigned int fps_count;
 277 };
 278
 279 struct _tdm_private_hwc_window {
 280         struct list_head link;
 281
 282         int index;
 283         uint32_t zpos;
 284
 285         tdm_private_display *private_display;
 286         tdm_private_output *private_output;
 287
 288         tdm_hwc_window *hwc_window_backend;
 289 };
 290
 291
 292 struct _tdm_private_pp {
 293         struct list_head link;
 294
 295         double stamp;
 296
 297         tdm_private_display *private_display;
 298
 299         tdm_pp *pp_backend;
 300
 301         struct list_head pending_buffer_list;
 302         struct list_head buffer_list;
 303
 304         tdm_info_pp info;
 305         pid_t owner_tid;
 306
 307         tdm_pp_done_handler done_func;
 308         void *done_user_data;
 309 };
 310
 311 struct _tdm_private_capture {
 312         struct list_head link;
 313         struct list_head display_link;
 314
 315         double stamp;
 316
 317         tdm_capture_target target;
 318
 319         tdm_private_display *private_display;
 320         tdm_private_output *private_output;
 321         tdm_private_layer *private_layer;
 322
 323         tdm_capture *capture_backend;
 324
 325         struct list_head pending_buffer_list;
 326         struct list_head buffer_list;
 327
 328         tdm_info_capture info;
 329         pid_t owner_tid;
 330
 331         tdm_capture_done_handler done_func;
 332         void *done_user_data;
 333 };
 334
 335 /* CAUTION:
 336  * Note that we don't need to (un)lock mutex to use this structure. If there is
 337  * no TDM thread, all TDM resources are protected by private_display's mutex.
 338  * If there is a TDM thread, this struct will be used only in a TDM thread.
 339  * So, we don't need to protect this structure by mutex. Not thread-safe.
 340  */
 341 struct _tdm_private_loop {
 342         /* TDM uses wl_event_loop to handle various event sources including the TDM
 343          * backend's fd.
 344          */
 345         struct wl_display *wl_display;
 346         struct wl_event_loop *wl_loop;
 347
 348         int backend_fd;
 349         tdm_event_loop_source *backend_source;
 350
 351         /* In event loop, all resources are accessed by this dpy.
 352          * CAUTION:
 353          * - DO NOT include other private structure in this structure because this
 354          *   struct is not protected by mutex.
 355          */
 356         tdm_display *dpy;
 357
 358         /* for handling TDM client requests */
 359         tdm_private_server *private_server;
 360
 361         /* To have a TDM event thread. If TDM_THREAD enviroment variable is not set
 362          * private_thread is NULL.
 363          */
 364         tdm_private_thread *private_thread;
 365 };
 366
 367 struct _tdm_private_vblank_handler {
 368         struct list_head link;
 369
 370         tdm_private_output *private_output;
 371         int interval;
 372         int sync;
 373         tdm_output_vblank_handler func;
 374         void *user_data;
 375
 376         pid_t owner_tid;
 377 };
 378
 379 struct _tdm_private_output_commit_handler {
 380         struct list_head link;
 381
 382         tdm_private_output *private_output;
 383         tdm_output_commit_handler func;
 384         void *user_data;
 385
 386         pid_t owner_tid;
 387 };
 388
 389 struct _tdm_private_layer_commit_handler {
 390         struct list_head link;
 391
 392         tdm_private_layer *private_layer;
 393         tdm_layer_commit_handler func;
 394         void *user_data;
 395
 396         tdm_private_layer_buffer *committed_buffer;   /* for layer_commit */
 397 };
 398
 399 struct _tdm_private_change_handler {
 400         struct list_head link;
 401
 402         tdm_private_output *private_output;
 403         tdm_output_change_handler func;
 404         void *user_data;
 405
 406         pid_t owner_tid;
 407 };
 408
 409 struct _tdm_private_layer_buffer {
 410         tbm_surface_h buffer;
 411         struct list_head link;
 412 };
 413
 414 typedef struct _tdm_buffer_info {
 415         tbm_surface_h buffer;
 416
 417         /* ref_count for backend */
 418         int backend_ref_count;
 419
 420         struct list_head release_funcs;
 421         struct list_head destroy_funcs;
 422
 423         struct list_head *list;
 424         struct list_head link;
 425 } tdm_buffer_info;
 426
 427 typedef struct _tdm_pp_private_buffer {
 428         tbm_surface_h src;
 429         tbm_surface_h dst;
 430         struct list_head link;
 431         struct list_head commit_link;
 432 } tdm_pp_private_buffer;
 433
 434 typedef struct _tdm_capture_private_buffer {
 435         tbm_surface_h buffer;
 436         struct list_head link;
 437         struct list_head commit_link;
 438 } tdm_capture_private_buffer;
 439
 440 int
 441 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin);
 442
 443 tdm_private_output *
 444 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp);
 445 tdm_private_pp *
 446 tdm_pp_find_stamp(tdm_private_display *private_display, double stamp);
 447 tdm_private_capture *
 448 tdm_capture_find_stamp(tdm_private_display *private_display, double stamp);
 449
 450 void
 451 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 452                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 453 void
 454 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 455                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 456 void
 457 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 458                                          void *user_data);
 459 void
 460 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms,
 461                                    void *user_data);
 462 INTERN tdm_error
 463 tdm_output_cb_need_validate(tdm_private_output *private_output);
 464
 465 tdm_error
 466 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 467                                                                  tdm_output_vblank_handler func, void *user_data);
 468 tdm_error
 469 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data);
 470 tdm_error
 471 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value);
 472
 473 tdm_error
 474 tdm_output_need_validate_event_init(tdm_output *output);
 475 tdm_error
 476 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode);
 477
 478 void
 479 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data);
 480 void
 481 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data);
 482 void
 483 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
 484
 485 tdm_error
 486 tdm_layer_commit_pending_data(tdm_private_layer *private_layer);
 487 void
 488 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer);
 489
 490 void
 491 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 492                            void *user_data);
 493 void
 494 tdm_capture_cb_done(tdm_capture *capture_backend, tbm_surface_h buffer,
 495                                         void *user_data);
 496 tdm_error
 497 tdm_vblank_cb_vblank_SW(tdm_vblank *vblank, double vblank_stamp);
 498 tdm_error
 499 tdm_vblank_set_add_front(tdm_vblank *vblank, unsigned int add_front);
 500 tdm_error
 501 tdm_vblank_set_resource(tdm_vblank *vblank, struct wl_resource *resource);
 502 double
 503 tdm_vblank_get_stamp(tdm_vblank *vblank);
 504 tdm_error
 505 tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
 506 void
 507 tdm_vblank_get_vblank_list_information(tdm_display *dpy, char *reply, int *len);
 508
 509 void
 510 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
 511                                                                                 struct list_head *change_handler_list,
 512                                                                                 tdm_output_change_type type,
 513                                                                                 tdm_value value,
 514                                                                                 int no_check_thread_id);
 515
 516 tdm_private_pp *
 517 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error);
 518 void
 519 tdm_pp_destroy_internal(tdm_private_pp *private_pp);
 520
 521 tdm_hwc_window *
 522 tdm_hwc_window_create_internal(tdm_private_output *private_output, int is_video, tdm_error *error);
 523 tdm_error
 524 tdm_hwc_window_destroy_internal(tdm_private_hwc_window * private_hwc_window);
 525
 526 tdm_private_capture *
 527 tdm_capture_create_output_internal(tdm_private_output *private_output,
 528                                                                    tdm_error *error);
 529 tdm_private_capture *
 530 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 531                                                                   tdm_error *error);
 532 void
 533 tdm_capture_destroy_internal(tdm_private_capture *private_capture);
 534
 535 /* utility buffer functions for private */
 536 tdm_buffer_info*
 537 tdm_buffer_get_info(tbm_surface_h buffer);
 538 tbm_surface_h
 539 tdm_buffer_list_get_first_entry(struct list_head *list);
 540 void
 541 tdm_buffer_list_dump(struct list_head *list);
 542
 543 void
 544 tdm_buffer_remove_release_handler_internal(tbm_surface_h buffer);
 545
 546 /* event functions for private */
 547 tdm_error
 548 tdm_event_loop_init(tdm_private_display *private_display);
 549 void
 550 tdm_event_loop_deinit(tdm_private_display *private_display);
 551 void
 552 tdm_event_loop_stop(tdm_private_display *private_display);
 553 void
 554 tdm_event_loop_create_backend_source(tdm_private_display *private_display);
 555 int
 556 tdm_event_loop_get_fd(tdm_private_display *private_display);
 557 tdm_error
 558 tdm_event_loop_dispatch(tdm_private_display *private_display);
 559 void
 560 tdm_event_loop_flush(tdm_private_display *private_display);
 561 tdm_error
 562 tdm_event_loop_trace_enable(tdm_private_display *private_display, unsigned int enable);
 563
 564 typedef enum {
 565         TDM_THREAD_CB_NONE,
 566         TDM_THREAD_CB_OUTPUT_COMMIT,
 567         TDM_THREAD_CB_OUTPUT_VBLANK,
 568         TDM_THREAD_CB_OUTPUT_STATUS,
 569         TDM_THREAD_CB_OUTPUT_DPMS,
 570         TDM_THREAD_CB_PP_DONE,
 571         TDM_THREAD_CB_CAPTURE_DONE,
 572         TDM_THREAD_CB_VBLANK_SW,
 573         TDM_THREAD_CB_NEED_VALIDATE,
 574 } tdm_thread_cb_type;
 575
 576 typedef struct _tdm_thread_cb_base tdm_thread_cb_base;
 577 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_commit;
 578 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_vblank;
 579 typedef struct _tdm_thread_cb_output_status tdm_thread_cb_output_status;
 580 typedef struct _tdm_thread_cb_output_dpms tdm_thread_cb_output_dpms;
 581 typedef struct _tdm_thread_cb_pp_done tdm_thread_cb_pp_done;
 582 typedef struct _tdm_thread_cb_capture_done tdm_thread_cb_capture_done;
 583 typedef struct _tdm_thread_cb_vblank_sw tdm_thread_cb_vblank_sw;
 584 typedef struct _tdm_thread_cb_need_validate tdm_thread_cb_need_validate;
 585
 586 struct _tdm_thread_cb_base {
 587         tdm_thread_cb_type type;
 588         unsigned int length;
 589 };
 590
 591 struct _tdm_thread_cb_output_vblank {
 592         tdm_thread_cb_base base;
 593         double output_stamp;
 594         unsigned int sequence;
 595         unsigned int tv_sec;
 596         unsigned int tv_usec;
 597         void *user_data;
 598 };
 599
 600 struct _tdm_thread_cb_output_status {
 601         tdm_thread_cb_base base;
 602         double output_stamp;
 603         tdm_output_conn_status status;
 604         void *user_data;
 605 };
 606
 607 struct _tdm_thread_cb_output_dpms {
 608         tdm_thread_cb_base base;
 609         double output_stamp;
 610         tdm_output_dpms dpms;
 611         void *user_data;
 612 };
 613
 614 struct _tdm_thread_cb_pp_done {
 615         tdm_thread_cb_base base;
 616         double pp_stamp;
 617         tbm_surface_h src;
 618         tbm_surface_h dst;
 619         void *user_data;
 620 };
 621
 622 struct _tdm_thread_cb_capture_done {
 623         tdm_thread_cb_base base;
 624         double capture_stamp;
 625         tbm_surface_h buffer;
 626         void *user_data;
 627 };
 628
 629 struct _tdm_thread_cb_vblank_sw {
 630         tdm_thread_cb_base base;
 631         double vblank_stamp;
 632 };
 633
 634 struct _tdm_thread_cb_need_validate {
 635         tdm_thread_cb_base base;
 636         tdm_private_output *o;
 637 };
 638
 639 tdm_error
 640 tdm_thread_init(tdm_private_loop *private_loop);
 641 void
 642 tdm_thread_deinit(tdm_private_loop *private_loop);
 643 int
 644 tdm_thread_get_fd(tdm_private_loop *private_loop);
 645 tdm_error
 646 tdm_thread_send_cb(tdm_private_loop *private_loop, tdm_thread_cb_base *base);
 647 tdm_error
 648 tdm_thread_handle_cb(tdm_private_loop *private_loop);
 649 int
 650 tdm_thread_in_display_thread(pid_t tid);
 651 int
 652 tdm_thread_is_running(void);
 653
 654 tdm_error
 655 tdm_server_init(tdm_private_loop *private_loop);
 656 void
 657 tdm_server_deinit(tdm_private_loop *private_loop);
 658 const char*
 659 tdm_server_get_client_name(pid_t pid);
 660 tdm_error
 661 tdm_server_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable);
 662
 663 char *
 664 tdm_helper_dump_make_directory(const char *path, char *reply, int *len);
 665 void
 666 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str);
 667 double
 668 tdm_helper_get_time(void);
 669
 670 extern pthread_mutex_t tdm_mutex_check_lock;
 671 extern int tdm_mutex_locked;
 672 extern const char *tdm_mutex_lock_func;
 673 extern int tdm_mutex_lock_line;
 674 extern const char *tdm_mutex_unlock_func;
 675 extern int tdm_mutex_unlock_line;
 676 extern int tdm_dump_enable;
 677 extern char *tdm_debug_dump_dir;
 678
 679 #define _pthread_mutex_unlock(l) \
 680         do { \
 681                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 682                         TDM_INFO("mutex unlock"); \
 683                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 684                 tdm_mutex_locked = 0; \
 685                 tdm_mutex_lock_func = NULL; \
 686                 tdm_mutex_lock_line = 0; \
 687                 tdm_mutex_unlock_func = __FUNCTION__; \
 688                 tdm_mutex_unlock_line = __LINE__; \
 689                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 690                 pthread_mutex_unlock(l); \
 691         } while (0)
 692 #ifdef TDM_CONFIG_MUTEX_TIMEOUT
 693 #define MUTEX_TIMEOUT_SEC 5
 694 #define _pthread_mutex_lock(l) \
 695         do { \
 696                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 697                         TDM_INFO("mutex lock"); \
 698                 struct timespec rtime; \
 699                 clock_gettime(CLOCK_REALTIME, &rtime); \
 700                 rtime.tv_sec += MUTEX_TIMEOUT_SEC; \
 701                 if (pthread_mutex_timedlock(l, &rtime)) { \
 702                         TDM_ERR("Mutex lock failed PID %d", getpid()); \
 703                         _pthread_mutex_unlock(l); \
 704                 } \
 705                 else { \
 706                         pthread_mutex_lock(&tdm_mutex_check_lock); \
 707                         tdm_mutex_locked = 1; \
 708                         tdm_mutex_lock_func = __FUNCTION__; \
 709                         tdm_mutex_lock_line = __LINE__; \
 710                         tdm_mutex_unlock_func = NULL; \
 711                         tdm_mutex_unlock_line = 0; \
 712                         pthread_mutex_unlock(&tdm_mutex_check_lock); \
 713                 } \
 714         } while (0)
 715 #else //TDM_CONFIG_MUTEX_TIMEOUT
 716 #define _pthread_mutex_lock(l) \
 717         do { \
 718                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 719                         TDM_INFO("mutex lock"); \
 720                 pthread_mutex_lock(l); \
 721                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 722                 tdm_mutex_locked = 1; \
 723                 tdm_mutex_lock_func = __FUNCTION__; \
 724                 tdm_mutex_lock_line = __LINE__; \
 725                 tdm_mutex_unlock_func = NULL; \
 726                 tdm_mutex_unlock_line = 0; \
 727                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 728         } while (0)
 729 #endif //TDM_CONFIG_MUTEX_TIMEOUT
 730 //#define TDM_MUTEX_IS_LOCKED() (tdm_mutex_locked == 1)
 731 static inline int TDM_MUTEX_IS_LOCKED(void)
 732 {
 733         int ret;
 734         /* if thread is not running, we don't need to consider mutex things. */
 735         if (!tdm_thread_is_running())
 736                 return 1;
 737         pthread_mutex_lock(&tdm_mutex_check_lock);
 738         ret = (tdm_mutex_locked == 1);
 739         pthread_mutex_unlock(&tdm_mutex_check_lock);
 740         return ret;
 741 }
 742
 743 #define tdm_display_lock(dpy)   _pthread_mutex_lock(&((tdm_private_display *)dpy)->lock)
 744 #define tdm_display_unlock(dpy)   _pthread_mutex_unlock(&((tdm_private_display *)dpy)->lock)
 745
 746 tdm_error
 747 tdm_display_update_output(tdm_private_display *private_display,
 748                                                   tdm_output *output_backend, int pipe);
 749 tdm_error
 750 tdm_display_enable_debug_module(const char*modules);
 751 tdm_error
 752 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len);
 753 tdm_error
 754 tdm_display_enable_path(const char *path);
 755 tdm_error
 756 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable);
 757 tdm_error
 758 tdm_display_enable_fps(tdm_private_display *private_display, int enable);
 759
 760 void
 761 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len);
 762
 763 struct argument_details {
 764         char type;
 765         int nullable;
 766 };
 767
 768
 769 #ifdef __cplusplus
 770 }
 771 #endif
 772
 773 #endif /* _TDM_PRIVATE_H_ */