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