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