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 INTERN tdm_error
 457 tdm_output_cb_need_validate(tdm_private_output *private_output);
 458
 459 tdm_error
 460 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 461                                                                  tdm_output_vblank_handler func, void *user_data);
 462 tdm_error
 463 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data);
 464 tdm_error
 465 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value);
 466
 467 tdm_error
 468 tdm_output_need_validate_event_init(tdm_output *output);
 469
 470 void
 471 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data);
 472 void
 473 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data);
 474 void
 475 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
 476
 477 tdm_error
 478 tdm_layer_commit_pending_data(tdm_private_layer *private_layer);
 479 void
 480 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer);
 481
 482 void
 483 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 484                            void *user_data);
 485 void
 486 tdm_capture_cb_done(tdm_capture *capture_backend, tbm_surface_h buffer,
 487                                         void *user_data);
 488 tdm_error
 489 tdm_vblank_cb_vblank_SW(tdm_vblank *vblank, double vblank_stamp);
 490 tdm_error
 491 tdm_vblank_set_add_front(tdm_vblank *vblank, unsigned int add_front);
 492 tdm_error
 493 tdm_vblank_set_resource(tdm_vblank *vblank, struct wl_resource *resource);
 494 tdm_error
 495 tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
 496 void
 497 tdm_vblank_get_vblank_list_information(tdm_display *dpy, char *reply, int *len);
 498
 499 void
 500 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
 501                                                                                 struct list_head *change_handler_list,
 502                                                                                 tdm_output_change_type type,
 503                                                                                 tdm_value value,
 504                                                                                 int no_check_thread_id);
 505
 506 tdm_private_pp *
 507 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error);
 508 void
 509 tdm_pp_destroy_internal(tdm_private_pp *private_pp);
 510
 511 tdm_hwc_window *
 512 tdm_hwc_window_create_internal(tdm_private_output *private_output, tdm_error *error);
 513 tdm_error
 514 tdm_hwc_window_destroy_internal(tdm_private_hwc_window * private_hwc_window);
 515
 516 tdm_private_capture *
 517 tdm_capture_create_output_internal(tdm_private_output *private_output,
 518                                                                    tdm_error *error);
 519 tdm_private_capture *
 520 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 521                                                                   tdm_error *error);
 522 void
 523 tdm_capture_destroy_internal(tdm_private_capture *private_capture);
 524
 525 /* utility buffer functions for private */
 526 tdm_buffer_info*
 527 tdm_buffer_get_info(tbm_surface_h buffer);
 528 tbm_surface_h
 529 tdm_buffer_list_get_first_entry(struct list_head *list);
 530 void
 531 tdm_buffer_list_dump(struct list_head *list);
 532
 533 void
 534 tdm_buffer_remove_release_handler_internal(tbm_surface_h buffer);
 535
 536 /* event functions for private */
 537 tdm_error
 538 tdm_event_loop_init(tdm_private_display *private_display);
 539 void
 540 tdm_event_loop_deinit(tdm_private_display *private_display);
 541 void
 542 tdm_event_loop_stop(tdm_private_display *private_display);
 543 void
 544 tdm_event_loop_create_backend_source(tdm_private_display *private_display);
 545 int
 546 tdm_event_loop_get_fd(tdm_private_display *private_display);
 547 tdm_error
 548 tdm_event_loop_dispatch(tdm_private_display *private_display);
 549 void
 550 tdm_event_loop_flush(tdm_private_display *private_display);
 551 tdm_error
 552 tdm_event_loop_trace_enable(tdm_private_display *private_display, unsigned int enable);
 553
 554 typedef enum {
 555         TDM_THREAD_CB_NONE,
 556         TDM_THREAD_CB_OUTPUT_COMMIT,
 557         TDM_THREAD_CB_OUTPUT_VBLANK,
 558         TDM_THREAD_CB_OUTPUT_STATUS,
 559         TDM_THREAD_CB_OUTPUT_DPMS,
 560         TDM_THREAD_CB_PP_DONE,
 561         TDM_THREAD_CB_CAPTURE_DONE,
 562         TDM_THREAD_CB_VBLANK_SW,
 563         TDM_THREAD_CB_NEED_VALIDATE,
 564 } tdm_thread_cb_type;
 565
 566 typedef struct _tdm_thread_cb_base tdm_thread_cb_base;
 567 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_commit;
 568 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_vblank;
 569 typedef struct _tdm_thread_cb_output_status tdm_thread_cb_output_status;
 570 typedef struct _tdm_thread_cb_output_dpms tdm_thread_cb_output_dpms;
 571 typedef struct _tdm_thread_cb_pp_done tdm_thread_cb_pp_done;
 572 typedef struct _tdm_thread_cb_capture_done tdm_thread_cb_capture_done;
 573 typedef struct _tdm_thread_cb_vblank_sw tdm_thread_cb_vblank_sw;
 574 typedef struct _tdm_thread_cb_need_validate tdm_thread_cb_need_validate;
 575
 576 struct _tdm_thread_cb_base {
 577         tdm_thread_cb_type type;
 578         unsigned int length;
 579 };
 580
 581 struct _tdm_thread_cb_output_vblank {
 582         tdm_thread_cb_base base;
 583         double output_stamp;
 584         unsigned int sequence;
 585         unsigned int tv_sec;
 586         unsigned int tv_usec;
 587         void *user_data;
 588 };
 589
 590 struct _tdm_thread_cb_output_status {
 591         tdm_thread_cb_base base;
 592         double output_stamp;
 593         tdm_output_conn_status status;
 594         void *user_data;
 595 };
 596
 597 struct _tdm_thread_cb_output_dpms {
 598         tdm_thread_cb_base base;
 599         double output_stamp;
 600         tdm_output_dpms dpms;
 601         void *user_data;
 602 };
 603
 604 struct _tdm_thread_cb_pp_done {
 605         tdm_thread_cb_base base;
 606         double pp_stamp;
 607         tbm_surface_h src;
 608         tbm_surface_h dst;
 609         void *user_data;
 610 };
 611
 612 struct _tdm_thread_cb_capture_done {
 613         tdm_thread_cb_base base;
 614         double capture_stamp;
 615         tbm_surface_h buffer;
 616         void *user_data;
 617 };
 618
 619 struct _tdm_thread_cb_vblank_sw {
 620         tdm_thread_cb_base base;
 621         double vblank_stamp;
 622 };
 623
 624 struct _tdm_thread_cb_need_validate {
 625         tdm_thread_cb_base base;
 626         tdm_private_output *o;
 627 };
 628
 629 tdm_error
 630 tdm_thread_init(tdm_private_loop *private_loop);
 631 void
 632 tdm_thread_deinit(tdm_private_loop *private_loop);
 633 int
 634 tdm_thread_get_fd(tdm_private_loop *private_loop);
 635 tdm_error
 636 tdm_thread_send_cb(tdm_private_loop *private_loop, tdm_thread_cb_base *base);
 637 tdm_error
 638 tdm_thread_handle_cb(tdm_private_loop *private_loop);
 639 int
 640 tdm_thread_in_display_thread(pid_t tid);
 641 int
 642 tdm_thread_is_running(void);
 643
 644 tdm_error
 645 tdm_server_init(tdm_private_loop *private_loop);
 646 void
 647 tdm_server_deinit(tdm_private_loop *private_loop);
 648 const char*
 649 tdm_server_get_client_name(pid_t pid);
 650
 651 char *
 652 tdm_helper_dump_make_directory(const char *path, char *reply, int *len);
 653 void
 654 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str);
 655 double
 656 tdm_helper_get_time(void);
 657
 658 extern pthread_mutex_t tdm_mutex_check_lock;
 659 extern int tdm_mutex_locked;
 660 extern const char *tdm_mutex_lock_func;
 661 extern int tdm_mutex_lock_line;
 662 extern const char *tdm_mutex_unlock_func;
 663 extern int tdm_mutex_unlock_line;
 664 extern int tdm_dump_enable;
 665 extern char *tdm_debug_dump_dir;
 666
 667 #define _pthread_mutex_unlock(l) \
 668         do { \
 669                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 670                         TDM_INFO("mutex unlock"); \
 671                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 672                 tdm_mutex_locked = 0; \
 673                 tdm_mutex_lock_func = NULL; \
 674                 tdm_mutex_lock_line = 0; \
 675                 tdm_mutex_unlock_func = __FUNCTION__; \
 676                 tdm_mutex_unlock_line = __LINE__; \
 677                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 678                 pthread_mutex_unlock(l); \
 679         } while (0)
 680 #ifdef TDM_CONFIG_MUTEX_TIMEOUT
 681 #define MUTEX_TIMEOUT_SEC 5
 682 #define _pthread_mutex_lock(l) \
 683         do { \
 684                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 685                         TDM_INFO("mutex lock"); \
 686                 struct timespec rtime; \
 687                 clock_gettime(CLOCK_REALTIME, &rtime); \
 688                 rtime.tv_sec += MUTEX_TIMEOUT_SEC; \
 689                 if (pthread_mutex_timedlock(l, &rtime)) { \
 690                         TDM_ERR("Mutex lock failed PID %d", getpid()); \
 691                         _pthread_mutex_unlock(l); \
 692                 } \
 693                 else { \
 694                         pthread_mutex_lock(&tdm_mutex_check_lock); \
 695                         tdm_mutex_locked = 1; \
 696                         tdm_mutex_lock_func = __FUNCTION__; \
 697                         tdm_mutex_lock_line = __LINE__; \
 698                         tdm_mutex_unlock_func = NULL; \
 699                         tdm_mutex_unlock_line = 0; \
 700                         pthread_mutex_unlock(&tdm_mutex_check_lock); \
 701                 } \
 702         } while (0)
 703 #else //TDM_CONFIG_MUTEX_TIMEOUT
 704 #define _pthread_mutex_lock(l) \
 705         do { \
 706                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 707                         TDM_INFO("mutex lock"); \
 708                 pthread_mutex_lock(l); \
 709                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 710                 tdm_mutex_locked = 1; \
 711                 tdm_mutex_lock_func = __FUNCTION__; \
 712                 tdm_mutex_lock_line = __LINE__; \
 713                 tdm_mutex_unlock_func = NULL; \
 714                 tdm_mutex_unlock_line = 0; \
 715                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 716         } while (0)
 717 #endif //TDM_CONFIG_MUTEX_TIMEOUT
 718 //#define TDM_MUTEX_IS_LOCKED() (tdm_mutex_locked == 1)
 719 static inline int TDM_MUTEX_IS_LOCKED(void)
 720 {
 721         int ret;
 722         /* if thread is not running, we don't need to consider mutex things. */
 723         if (!tdm_thread_is_running())
 724                 return 1;
 725         pthread_mutex_lock(&tdm_mutex_check_lock);
 726         ret = (tdm_mutex_locked == 1);
 727         pthread_mutex_unlock(&tdm_mutex_check_lock);
 728         return ret;
 729 }
 730
 731 #define tdm_display_lock(dpy)   _pthread_mutex_lock(&((tdm_private_display *)dpy)->lock)
 732 #define tdm_display_unlock(dpy)   _pthread_mutex_unlock(&((tdm_private_display *)dpy)->lock)
 733
 734 tdm_error
 735 tdm_display_update_output(tdm_private_display *private_display,
 736                                                   tdm_output *output_backend, int pipe);
 737 tdm_error
 738 tdm_display_enable_debug_module(const char*modules);
 739 tdm_error
 740 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len);
 741 tdm_error
 742 tdm_display_enable_path(const char *path);
 743 tdm_error
 744 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable);
 745 tdm_error
 746 tdm_display_enable_commit_per_vblank(tdm_private_display *private_display, int enable);
 747 tdm_error
 748 tdm_display_enable_fps(tdm_private_display *private_display, int enable);
 749
 750 void
 751 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len);
 752
 753 struct argument_details {
 754         char type;
 755         int nullable;
 756 };
 757
 758
 759 #ifdef __cplusplus
 760 }
 761 #endif
 762
 763 #endif /* _TDM_PRIVATE_H_ */