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
 240 struct _tdm_private_layer {
 241         struct list_head link;
 242
 243         int index;
 244
 245         tdm_private_display *private_display;
 246         tdm_private_output *private_output;
 247
 248         tdm_caps_layer caps;
 249         tdm_layer *layer_backend;
 250
 251         /* pending data until committed */
 252         unsigned int pending_info_changed;
 253         tdm_info_layer pending_info;
 254         unsigned int pending_buffer_changed;
 255         tbm_surface_h pending_buffer;
 256
 257         /* When a buffer is set to a layer, it will be stored to waiting_buffer.
 258          * And when a layer is committed, it will be moved to committed_buffer.
 259          * Finally when a commit handler is called, it will be moved to showing_buffer.
 260          */
 261         tdm_private_layer_buffer *waiting_buffer;
 262         tdm_private_layer_buffer *committed_buffer;   /* for output_commit */
 263         tdm_private_layer_buffer *showing_buffer;
 264         tbm_surface_queue_h buffer_queue;
 265
 266         struct list_head capture_list;
 267
 268         unsigned int usable;
 269         unsigned int committing;
 270
 271         double fps_stamp;
 272         unsigned int fps_count;
 273 };
 274
 275 struct _tdm_private_hwc_window {
 276         struct list_head link;
 277
 278         int index;
 279         uint32_t zpos;
 280
 281         tdm_private_display *private_display;
 282         tdm_private_output *private_output;
 283
 284         tdm_hwc_window *hwc_window_backend;
 285 };
 286
 287
 288 struct _tdm_private_pp {
 289         struct list_head link;
 290
 291         double stamp;
 292
 293         tdm_private_display *private_display;
 294
 295         tdm_pp *pp_backend;
 296
 297         struct list_head pending_buffer_list;
 298         struct list_head buffer_list;
 299
 300         tdm_info_pp info;
 301         pid_t owner_tid;
 302
 303         tdm_pp_done_handler done_func;
 304         void *done_user_data;
 305 };
 306
 307 struct _tdm_private_capture {
 308         struct list_head link;
 309         struct list_head display_link;
 310
 311         double stamp;
 312
 313         tdm_capture_target target;
 314
 315         tdm_private_display *private_display;
 316         tdm_private_output *private_output;
 317         tdm_private_layer *private_layer;
 318
 319         tdm_capture *capture_backend;
 320
 321         struct list_head pending_buffer_list;
 322         struct list_head buffer_list;
 323
 324         tdm_info_capture info;
 325         pid_t owner_tid;
 326
 327         tdm_capture_done_handler done_func;
 328         void *done_user_data;
 329 };
 330
 331 /* CAUTION:
 332  * Note that we don't need to (un)lock mutex to use this structure. If there is
 333  * no TDM thread, all TDM resources are protected by private_display's mutex.
 334  * If there is a TDM thread, this struct will be used only in a TDM thread.
 335  * So, we don't need to protect this structure by mutex. Not thread-safe.
 336  */
 337 struct _tdm_private_loop {
 338         /* TDM uses wl_event_loop to handle various event sources including the TDM
 339          * backend's fd.
 340          */
 341         struct wl_display *wl_display;
 342         struct wl_event_loop *wl_loop;
 343
 344         int backend_fd;
 345         tdm_event_loop_source *backend_source;
 346
 347         /* In event loop, all resources are accessed by this dpy.
 348          * CAUTION:
 349          * - DO NOT include other private structure in this structure because this
 350          *   struct is not protected by mutex.
 351          */
 352         tdm_display *dpy;
 353
 354         /* for handling TDM client requests */
 355         tdm_private_server *private_server;
 356
 357         /* To have a TDM event thread. If TDM_THREAD enviroment variable is not set
 358          * private_thread is NULL.
 359          */
 360         tdm_private_thread *private_thread;
 361 };
 362
 363 struct _tdm_private_vblank_handler {
 364         struct list_head link;
 365
 366         tdm_private_output *private_output;
 367         int interval;
 368         int sync;
 369         tdm_output_vblank_handler func;
 370         void *user_data;
 371
 372         pid_t owner_tid;
 373 };
 374
 375 struct _tdm_private_output_commit_handler {
 376         struct list_head link;
 377
 378         tdm_private_output *private_output;
 379         tdm_output_commit_handler func;
 380         void *user_data;
 381
 382         pid_t owner_tid;
 383 };
 384
 385 struct _tdm_private_layer_commit_handler {
 386         struct list_head link;
 387
 388         tdm_private_layer *private_layer;
 389         tdm_layer_commit_handler func;
 390         void *user_data;
 391
 392         tdm_private_layer_buffer *committed_buffer;   /* for layer_commit */
 393 };
 394
 395 struct _tdm_private_change_handler {
 396         struct list_head link;
 397
 398         tdm_private_output *private_output;
 399         tdm_output_change_handler func;
 400         void *user_data;
 401
 402         pid_t owner_tid;
 403 };
 404
 405 struct _tdm_private_layer_buffer {
 406         tbm_surface_h buffer;
 407         struct list_head link;
 408 };
 409
 410 typedef struct _tdm_buffer_info {
 411         tbm_surface_h buffer;
 412
 413         /* ref_count for backend */
 414         int backend_ref_count;
 415
 416         struct list_head release_funcs;
 417         struct list_head destroy_funcs;
 418
 419         struct list_head *list;
 420         struct list_head link;
 421 } tdm_buffer_info;
 422
 423 typedef struct _tdm_pp_private_buffer {
 424         tbm_surface_h src;
 425         tbm_surface_h dst;
 426         struct list_head link;
 427         struct list_head commit_link;
 428 } tdm_pp_private_buffer;
 429
 430 typedef struct _tdm_capture_private_buffer {
 431         tbm_surface_h buffer;
 432         struct list_head link;
 433         struct list_head commit_link;
 434 } tdm_capture_private_buffer;
 435
 436 int
 437 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin);
 438
 439 tdm_private_output *
 440 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp);
 441 tdm_private_pp *
 442 tdm_pp_find_stamp(tdm_private_display *private_display, double stamp);
 443 tdm_private_capture *
 444 tdm_capture_find_stamp(tdm_private_display *private_display, double stamp);
 445
 446 void
 447 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 448                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 449 void
 450 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 451                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 452 void
 453 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 454                                          void *user_data);
 455 void
 456 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms,
 457                                    void *user_data);
 458 INTERN tdm_error
 459 tdm_output_cb_need_validate(tdm_private_output *private_output);
 460
 461 tdm_error
 462 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 463                                                                  tdm_output_vblank_handler func, void *user_data);
 464 tdm_error
 465 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data);
 466 tdm_error
 467 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value);
 468
 469 tdm_error
 470 tdm_output_need_validate_event_init(tdm_output *output);
 471 tdm_error
 472 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode);
 473
 474 void
 475 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data);
 476 void
 477 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data);
 478 void
 479 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
 480
 481 tdm_error
 482 tdm_layer_commit_pending_data(tdm_private_layer *private_layer);
 483 void
 484 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer);
 485
 486 void
 487 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 488                            void *user_data);
 489 void
 490 tdm_capture_cb_done(tdm_capture *capture_backend, tbm_surface_h buffer,
 491                                         void *user_data);
 492 tdm_error
 493 tdm_vblank_cb_vblank_SW(tdm_vblank *vblank, double vblank_stamp);
 494 tdm_error
 495 tdm_vblank_set_add_front(tdm_vblank *vblank, unsigned int add_front);
 496 tdm_error
 497 tdm_vblank_set_resource(tdm_vblank *vblank, struct wl_resource *resource);
 498 double
 499 tdm_vblank_get_stamp(tdm_vblank *vblank);
 500 tdm_error
 501 tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
 502 void
 503 tdm_vblank_get_vblank_list_information(tdm_display *dpy, char *reply, int *len);
 504
 505 void
 506 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
 507                                                                                 struct list_head *change_handler_list,
 508                                                                                 tdm_output_change_type type,
 509                                                                                 tdm_value value,
 510                                                                                 int no_check_thread_id);
 511
 512 tdm_private_pp *
 513 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error);
 514 void
 515 tdm_pp_destroy_internal(tdm_private_pp *private_pp);
 516
 517 tdm_hwc_window *
 518 tdm_hwc_window_create_internal(tdm_private_output *private_output, tdm_error *error);
 519 tdm_error
 520 tdm_hwc_window_destroy_internal(tdm_private_hwc_window * private_hwc_window);
 521
 522 tdm_private_capture *
 523 tdm_capture_create_output_internal(tdm_private_output *private_output,
 524                                                                    tdm_error *error);
 525 tdm_private_capture *
 526 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 527                                                                   tdm_error *error);
 528 void
 529 tdm_capture_destroy_internal(tdm_private_capture *private_capture);
 530
 531 /* utility buffer functions for private */
 532 tdm_buffer_info*
 533 tdm_buffer_get_info(tbm_surface_h buffer);
 534 tbm_surface_h
 535 tdm_buffer_list_get_first_entry(struct list_head *list);
 536 void
 537 tdm_buffer_list_dump(struct list_head *list);
 538
 539 void
 540 tdm_buffer_remove_release_handler_internal(tbm_surface_h buffer);
 541
 542 /* event functions for private */
 543 tdm_error
 544 tdm_event_loop_init(tdm_private_display *private_display);
 545 void
 546 tdm_event_loop_deinit(tdm_private_display *private_display);
 547 void
 548 tdm_event_loop_stop(tdm_private_display *private_display);
 549 void
 550 tdm_event_loop_create_backend_source(tdm_private_display *private_display);
 551 int
 552 tdm_event_loop_get_fd(tdm_private_display *private_display);
 553 tdm_error
 554 tdm_event_loop_dispatch(tdm_private_display *private_display);
 555 void
 556 tdm_event_loop_flush(tdm_private_display *private_display);
 557 tdm_error
 558 tdm_event_loop_trace_enable(tdm_private_display *private_display, unsigned int enable);
 559
 560 typedef enum {
 561         TDM_THREAD_CB_NONE,
 562         TDM_THREAD_CB_OUTPUT_COMMIT,
 563         TDM_THREAD_CB_OUTPUT_VBLANK,
 564         TDM_THREAD_CB_OUTPUT_STATUS,
 565         TDM_THREAD_CB_OUTPUT_DPMS,
 566         TDM_THREAD_CB_PP_DONE,
 567         TDM_THREAD_CB_CAPTURE_DONE,
 568         TDM_THREAD_CB_VBLANK_SW,
 569         TDM_THREAD_CB_NEED_VALIDATE,
 570 } tdm_thread_cb_type;
 571
 572 typedef struct _tdm_thread_cb_base tdm_thread_cb_base;
 573 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_commit;
 574 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_vblank;
 575 typedef struct _tdm_thread_cb_output_status tdm_thread_cb_output_status;
 576 typedef struct _tdm_thread_cb_output_dpms tdm_thread_cb_output_dpms;
 577 typedef struct _tdm_thread_cb_pp_done tdm_thread_cb_pp_done;
 578 typedef struct _tdm_thread_cb_capture_done tdm_thread_cb_capture_done;
 579 typedef struct _tdm_thread_cb_vblank_sw tdm_thread_cb_vblank_sw;
 580 typedef struct _tdm_thread_cb_need_validate tdm_thread_cb_need_validate;
 581
 582 struct _tdm_thread_cb_base {
 583         tdm_thread_cb_type type;
 584         unsigned int length;
 585 };
 586
 587 struct _tdm_thread_cb_output_vblank {
 588         tdm_thread_cb_base base;
 589         double output_stamp;
 590         unsigned int sequence;
 591         unsigned int tv_sec;
 592         unsigned int tv_usec;
 593         void *user_data;
 594 };
 595
 596 struct _tdm_thread_cb_output_status {
 597         tdm_thread_cb_base base;
 598         double output_stamp;
 599         tdm_output_conn_status status;
 600         void *user_data;
 601 };
 602
 603 struct _tdm_thread_cb_output_dpms {
 604         tdm_thread_cb_base base;
 605         double output_stamp;
 606         tdm_output_dpms dpms;
 607         void *user_data;
 608 };
 609
 610 struct _tdm_thread_cb_pp_done {
 611         tdm_thread_cb_base base;
 612         double pp_stamp;
 613         tbm_surface_h src;
 614         tbm_surface_h dst;
 615         void *user_data;
 616 };
 617
 618 struct _tdm_thread_cb_capture_done {
 619         tdm_thread_cb_base base;
 620         double capture_stamp;
 621         tbm_surface_h buffer;
 622         void *user_data;
 623 };
 624
 625 struct _tdm_thread_cb_vblank_sw {
 626         tdm_thread_cb_base base;
 627         double vblank_stamp;
 628 };
 629
 630 struct _tdm_thread_cb_need_validate {
 631         tdm_thread_cb_base base;
 632         tdm_private_output *o;
 633 };
 634
 635 tdm_error
 636 tdm_thread_init(tdm_private_loop *private_loop);
 637 void
 638 tdm_thread_deinit(tdm_private_loop *private_loop);
 639 int
 640 tdm_thread_get_fd(tdm_private_loop *private_loop);
 641 tdm_error
 642 tdm_thread_send_cb(tdm_private_loop *private_loop, tdm_thread_cb_base *base);
 643 tdm_error
 644 tdm_thread_handle_cb(tdm_private_loop *private_loop);
 645 int
 646 tdm_thread_in_display_thread(pid_t tid);
 647 int
 648 tdm_thread_is_running(void);
 649
 650 tdm_error
 651 tdm_server_init(tdm_private_loop *private_loop);
 652 void
 653 tdm_server_deinit(tdm_private_loop *private_loop);
 654 const char*
 655 tdm_server_get_client_name(pid_t pid);
 656
 657 char *
 658 tdm_helper_dump_make_directory(const char *path, char *reply, int *len);
 659 void
 660 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str);
 661 double
 662 tdm_helper_get_time(void);
 663
 664 extern pthread_mutex_t tdm_mutex_check_lock;
 665 extern int tdm_mutex_locked;
 666 extern const char *tdm_mutex_lock_func;
 667 extern int tdm_mutex_lock_line;
 668 extern const char *tdm_mutex_unlock_func;
 669 extern int tdm_mutex_unlock_line;
 670 extern int tdm_dump_enable;
 671 extern char *tdm_debug_dump_dir;
 672
 673 #define _pthread_mutex_unlock(l) \
 674         do { \
 675                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 676                         TDM_INFO("mutex unlock"); \
 677                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 678                 tdm_mutex_locked = 0; \
 679                 tdm_mutex_lock_func = NULL; \
 680                 tdm_mutex_lock_line = 0; \
 681                 tdm_mutex_unlock_func = __FUNCTION__; \
 682                 tdm_mutex_unlock_line = __LINE__; \
 683                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 684                 pthread_mutex_unlock(l); \
 685         } while (0)
 686 #ifdef TDM_CONFIG_MUTEX_TIMEOUT
 687 #define MUTEX_TIMEOUT_SEC 5
 688 #define _pthread_mutex_lock(l) \
 689         do { \
 690                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 691                         TDM_INFO("mutex lock"); \
 692                 struct timespec rtime; \
 693                 clock_gettime(CLOCK_REALTIME, &rtime); \
 694                 rtime.tv_sec += MUTEX_TIMEOUT_SEC; \
 695                 if (pthread_mutex_timedlock(l, &rtime)) { \
 696                         TDM_ERR("Mutex lock failed PID %d", getpid()); \
 697                         _pthread_mutex_unlock(l); \
 698                 } \
 699                 else { \
 700                         pthread_mutex_lock(&tdm_mutex_check_lock); \
 701                         tdm_mutex_locked = 1; \
 702                         tdm_mutex_lock_func = __FUNCTION__; \
 703                         tdm_mutex_lock_line = __LINE__; \
 704                         tdm_mutex_unlock_func = NULL; \
 705                         tdm_mutex_unlock_line = 0; \
 706                         pthread_mutex_unlock(&tdm_mutex_check_lock); \
 707                 } \
 708         } while (0)
 709 #else //TDM_CONFIG_MUTEX_TIMEOUT
 710 #define _pthread_mutex_lock(l) \
 711         do { \
 712                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 713                         TDM_INFO("mutex lock"); \
 714                 pthread_mutex_lock(l); \
 715                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 716                 tdm_mutex_locked = 1; \
 717                 tdm_mutex_lock_func = __FUNCTION__; \
 718                 tdm_mutex_lock_line = __LINE__; \
 719                 tdm_mutex_unlock_func = NULL; \
 720                 tdm_mutex_unlock_line = 0; \
 721                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 722         } while (0)
 723 #endif //TDM_CONFIG_MUTEX_TIMEOUT
 724 //#define TDM_MUTEX_IS_LOCKED() (tdm_mutex_locked == 1)
 725 static inline int TDM_MUTEX_IS_LOCKED(void)
 726 {
 727         int ret;
 728         /* if thread is not running, we don't need to consider mutex things. */
 729         if (!tdm_thread_is_running())
 730                 return 1;
 731         pthread_mutex_lock(&tdm_mutex_check_lock);
 732         ret = (tdm_mutex_locked == 1);
 733         pthread_mutex_unlock(&tdm_mutex_check_lock);
 734         return ret;
 735 }
 736
 737 #define tdm_display_lock(dpy)   _pthread_mutex_lock(&((tdm_private_display *)dpy)->lock)
 738 #define tdm_display_unlock(dpy)   _pthread_mutex_unlock(&((tdm_private_display *)dpy)->lock)
 739
 740 tdm_error
 741 tdm_display_update_output(tdm_private_display *private_display,
 742                                                   tdm_output *output_backend, int pipe);
 743 tdm_error
 744 tdm_display_enable_debug_module(const char*modules);
 745 tdm_error
 746 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len);
 747 tdm_error
 748 tdm_display_enable_path(const char *path);
 749 tdm_error
 750 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable);
 751 tdm_error
 752 tdm_display_enable_fps(tdm_private_display *private_display, int enable);
 753
 754 void
 755 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len);
 756
 757 struct argument_details {
 758         char type;
 759         int nullable;
 760 };
 761
 762
 763 #ifdef __cplusplus
 764 }
 765 #endif
 766
 767 #endif /* _TDM_PRIVATE_H_ */