meta-agl-bsp/meta-ti/recipes-arago/weston/weston/0008-ivi-shell-Add-simple-IVI-shell-layout-controller.patch

   1 From c89c2d63db3cbe83fb1ddd983e4b0ffe87fab296 Mon Sep 17 00:00:00 2001
   2 From: Volodymyr Riazantsev <volodymyr.riazantsev@globallogic.com>
   3 Date: Fri, 1 Jul 2016 00:28:50 -0400
   4 Subject: [PATCH 8/8] ivi-shell: Add simple IVI shell layout controller
   5
   6 Simple IVI shell layout controller.
   7 Assign only one application to primary display.
   8 Second and rest application will go to secondary display if it's
   9 present.
  10
  11 Signed-off-by: Volodymyr Riazantsev <volodymyr.riazantsev@globallogic.com>
  12 Signed-off-by: Karthik Ramanan <a0393906@ti.com>
  13 ---
  14  Makefile.am                          |  12 +-
  15  ivi-shell/ivi-layout-controller-ti.c | 532 +++++++++++++++++++++++++++++++++++
  16  2 files changed, 543 insertions(+), 1 deletion(-)
  17  create mode 100644 ivi-shell/ivi-layout-controller-ti.c
  18
  19 diff --git a/Makefile.am b/Makefile.am
  20 index 55aed6d..a9fe3c8 100644
  21 --- a/Makefile.am
  22 +++ b/Makefile.am
  23 @@ -868,7 +868,8 @@ if ENABLE_IVI_SHELL
  24
  25  module_LTLIBRARIES +=                          \
  26         $(ivi_shell)                            \
  27 -       $(hmi_controller)
  28 +       $(hmi_controller)                       \
  29 +       $(layout_controller)
  30
  31  ivi_shell = ivi-shell.la
  32  ivi_shell_la_LDFLAGS = -module -avoid-version
  33 @@ -903,6 +904,15 @@ nodist_hmi_controller_la_SOURCES =                 \
  34
  35  BUILT_SOURCES += $(nodist_hmi_controller_la_SOURCES)
  36
  37 +layout_controller = layout-controller.la
  38 +layout_controller_la_LDFLAGS = -module -avoid-version
  39 +layout_controller_la_LIBADD = $(COMPOSITOR_LIBS) libshared.la
  40 +layout_controller_la_CFLAGS = $(AM_CFLAGS) $(COMPOSITOR_CFLAGS)
  41 +layout_controller_la_SOURCES =                         \
  42 +       ivi-shell/ivi-layout-export.h                   \
  43 +       ivi-shell/ivi-layout-controller-ti.c            \
  44 +       shared/helpers.h
  45 +
  46  endif
  47
  48
  49 diff --git a/ivi-shell/ivi-layout-controller-ti.c b/ivi-shell/ivi-layout-controller-ti.c
  50 new file mode 100644
  51 index 0000000..b7cf436
  52 --- /dev/null
  53 +++ b/ivi-shell/ivi-layout-controller-ti.c
  54 @@ -0,0 +1,532 @@
  55 +/*
  56 + * Copyright (C) 2016 GlobalLogic Inc
  57 + *
  58 + * Permission is hereby granted, free of charge, to any person obtaining
  59 + * a copy of this software and associated documentation files (the
  60 + * "Software"), to deal in the Software without restriction, including
  61 + * without limitation the rights to use, copy, modify, merge, publish,
  62 + * distribute, sublicense, and/or sell copies of the Software, and to
  63 + * permit persons to whom the Software is furnished to do so, subject to
  64 + * the following conditions:
  65 + *
  66 + * The above copyright notice and this permission notice (including the
  67 + * next paragraph) shall be included in all copies or substantial
  68 + * portions of the Software.
  69 + *
  70 + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  71 + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  72 + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  73 + * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  74 + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  75 + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  76 + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  77 + * SOFTWARE.
  78 + */
  79 +
  80 +#include <stdlib.h>
  81 +#include <string.h>
  82 +#include <assert.h>
  83 +
  84 +#include "ivi-layout-export.h"
  85 +
  86 +#ifndef container_of
  87 +#define container_of(ptr, type, member) ({                              \
  88 +        const __typeof__( ((type *)0)->member ) *__mptr = (ptr);        \
  89 +        (type *)( (char *)__mptr - offsetof(type,member) );})
  90 +#endif
  91 +
  92 +#ifndef BIT
  93 +#define BIT(bit)       (1 << (bit))
  94 +#endif
  95 +
  96 +#define __MODULE__ "layout-controller"
  97 +#define DL_ERR BIT(0)
  98 +#define DL_WRN BIT(1)
  99 +#define DL_DBG BIT(2)
 100 +#define DL_ALL (~0)
 101 +
 102 +static unsigned debug_level = DL_ALL;
 103 +
 104 +#define __print_log(__dl__, ... ) \
 105 +if (__dl__ & debug_level) \
 106 +               fprintf(__dl__ == DL_ERR ? stderr : stdout," ["__MODULE__"]:" __VA_ARGS__);
 107 +
 108 +#define pr_err(...) __print_log(DL_ERR, "E: " __VA_ARGS__)
 109 +#define pr_dbg(...) __print_log(DL_DBG, "D: " __VA_ARGS__)
 110 +#define pr_wrn(...) __print_log(DL_WRN, "W: " __VA_ARGS__)
 111 +#define TRACE() __print_log(DL_DBG, "TR: %s - %d\n", __func__, __LINE__)
 112 +
 113 +
 114 +#define WINDOWS_TITLE_HEIGHT 30
 115 +#define DEFAULT_SURFACE_ID_FOR_WL_SHELL_APP 0x80000000
 116 +
 117 +/*****************************************************************************
 118 + *  structure, globals
 119 + ****************************************************************************/
 120 +struct hmi_controller_layer {
 121 +       struct ivi_layout_layer *ivilayer;
 122 +       uint32_t id_layer;
 123 +       int32_t x;
 124 +       int32_t y;
 125 +       int32_t width;
 126 +       int32_t height;
 127 +       int32_t num_surfaces;
 128 +       pid_t pid;
 129 +       struct wl_list link;
 130 +       struct wl_list screen_link;
 131 +       struct wl_list surfaces_list;
 132 +};
 133 +
 134 +struct hmi_controller_surface {
 135 +       void               *controller;
 136 +       void               *ivisurf;
 137 +       struct wl_list     link;
 138 +       struct wl_listener destroy_listener;
 139 +};
 140 +
 141 +struct hmi_controller_screen {
 142 +       struct ivi_layout_screen *iviscrn;
 143 +       struct wl_list layers_list;
 144 +};
 145 +
 146 +struct hmi_server_setting {
 147 +       uint32_t    base_layer_id;
 148 +       int32_t     panel_height;
 149 +       char       *ivi_homescreen;
 150 +};
 151 +
 152 +struct hmi_controller {
 153 +       int32_t                             current_layer;
 154 +       int32_t                             current_screen;
 155 +       int32_t                             screens_count;
 156 +       int32_t                             workspace_count;
 157 +
 158 +       struct hmi_server_setting          *hmi_setting;
 159 +       struct hmi_controller_screen        screens[4];
 160 +       struct hmi_controller_layer         application_layer;
 161 +       struct weston_compositor           *compositor;
 162 +       struct wl_listener                  destroy_listener;
 163 +       struct wl_client                   *user_interface;
 164 +       struct wl_list                      layers_list;
 165 +};
 166 +
 167 +const struct ivi_controller_interface *ivi_controller_interface;
 168 +
 169 +static void
 170 +hmi_ctrl_surface_destroy(struct wl_listener *listener, void *data);
 171 +
 172 +int
 173 +controller_module_init(struct weston_compositor *ec,
 174 +                      int *argc, char *argv[],
 175 +                      const struct ivi_controller_interface *interface,
 176 +                      size_t interface_version);
 177 +
 178 +/*****************************************************************************
 179 + *  local functions
 180 + ****************************************************************************/
 181 +static void *
 182 +fail_on_null(void *p, size_t size, char *file, int32_t line)
 183 +{
 184 +       if (size && !p) {
 185 +               weston_log("%s(%d) %zd: out of memory\n", file, line, size);
 186 +               exit(EXIT_FAILURE);
 187 +       }
 188 +
 189 +       return p;
 190 +}
 191 +
 192 +static void *
 193 +mem_alloc(size_t size, char *file, int32_t line)
 194 +{
 195 +       return fail_on_null(calloc(1, size), size, file, line);
 196 +}
 197 +
 198 +#define MEM_ALLOC(s) mem_alloc((s),__FILE__,__LINE__)
 199 +
 200 +/**
 201 + * Internal method to create ivi_layer with hmi_controller_layer and
 202 + * add to a ivi_screen
 203 + */
 204 +static void
 205 +create_layer(struct ivi_layout_screen *iviscrn,
 206 +            struct hmi_controller_layer *layer)
 207 +{
 208 +       int32_t ret = 0;
 209 +
 210 +       layer->ivilayer =
 211 +               ivi_controller_interface->layer_create_with_dimension(layer->id_layer,
 212 +                                                      layer->width,
 213 +                                                      layer->height);
 214 +       assert(layer->ivilayer != NULL);
 215 +
 216 +       ret = ivi_controller_interface->screen_add_layer(iviscrn, layer->ivilayer);
 217 +
 218 +       assert(!ret);
 219 +
 220 +       ret = ivi_controller_interface->layer_set_destination_rectangle(layer->ivilayer,
 221 +                                                        layer->x, layer->y,
 222 +                                                        layer->width,
 223 +                                                        layer->height);
 224 +       assert(!ret);
 225 +
 226 +       ret = ivi_controller_interface->layer_set_visibility(layer->ivilayer, true);
 227 +
 228 +       assert(!ret);
 229 +
 230 +       ivi_controller_interface->commit_changes();
 231 +
 232 +}
 233 +
 234 +static struct hmi_controller_layer
 235 +*get_layer_for_surface(struct hmi_controller *hmi_ctrl
 236 +                       , struct ivi_layout_surface *ivisurf
 237 +                       , bool create)
 238 +{
 239 +       struct hmi_controller_layer *layer;
 240 +       struct weston_surface *surface;
 241 +       int32_t i = 0;
 242 +       struct wl_client *client;
 243 +       struct ivi_layout_screen *iviscrn  = NULL;
 244 +       struct weston_output *output = NULL;
 245 +       pid_t pid;
 246 +       uid_t uid;
 247 +       gid_t gid;
 248 +
 249 +       surface = ivi_controller_interface->surface_get_weston_surface(ivisurf);
 250 +
 251 +       if (!surface)
 252 +               goto exit;
 253 +
 254 +       client = wl_resource_get_client(surface->resource);
 255 +
 256 +       wl_client_get_credentials(client, &pid, &uid, &gid);
 257 +
 258 +       wl_list_for_each(layer, &hmi_ctrl->layers_list, link) {
 259 +               if (layer->pid == pid) {
 260 +                       pr_dbg("Existed layer for PID=%d was found\n", pid);
 261 +                       return layer;
 262 +               }
 263 +       }
 264 +
 265 +       if (!(create && hmi_ctrl->screens_count))
 266 +               goto exit;
 267 +
 268 +       pr_dbg("Existed layer for PID=%d was not found. Creating new\n", pid);
 269 +
 270 +       for(;; i++) {
 271 +               if (wl_list_empty(&hmi_ctrl->screens[i].layers_list) ||
 272 +                               (i == (hmi_ctrl->screens_count - 1)))
 273 +                       break;
 274 +       };
 275 +
 276 +       iviscrn = hmi_ctrl->screens[i].iviscrn;
 277 +
 278 +       layer = calloc(1, sizeof *layer);
 279 +
 280 +       output = ivi_controller_interface->screen_get_output(iviscrn);
 281 +
 282 +       wl_list_init(&layer->link);
 283 +       wl_list_init(&layer->screen_link);
 284 +       wl_list_init(&layer->surfaces_list);
 285 +
 286 +       layer->width = output->width;
 287 +       layer->height = output->height + WINDOWS_TITLE_HEIGHT;
 288 +       layer->id_layer = hmi_ctrl->hmi_setting->base_layer_id++;
 289 +       layer->pid = pid;
 290 +
 291 +       create_layer(iviscrn, layer);
 292 +
 293 +       wl_list_insert(&hmi_ctrl->layers_list, &layer->link);
 294 +       wl_list_insert(&hmi_ctrl->screens[i].layers_list, &layer->screen_link);
 295 +
 296 +       return layer;
 297 +
 298 +exit:
 299 +       return NULL;
 300 +}
 301 +
 302 +static void
 303 +set_notification_create_surface(struct ivi_layout_surface *ivisurf,
 304 +                               void *userdata)
 305 +{
 306 +       struct hmi_controller *hmi_ctrl = userdata;
 307 +       struct hmi_controller_layer *hmi_ctrl_layer = NULL;
 308 +       struct hmi_controller_surface *hmi_ctrl_surf = NULL;
 309 +       struct ivi_layout_layer *dest_layer;
 310 +       struct weston_surface *surface;
 311 +
 312 +       wl_list_for_each(hmi_ctrl_layer, &hmi_ctrl->layers_list, link) {
 313 +               wl_list_for_each(hmi_ctrl_surf, &hmi_ctrl_layer->surfaces_list, link) {
 314 +                       if (hmi_ctrl_surf->ivisurf == ivisurf) {
 315 +                               pr_dbg("Surface was already configured. Skip add to list\n");
 316 +                               return;
 317 +                       }
 318 +               }
 319 +       }
 320 +
 321 +       pr_dbg("Surface create: add to list and get the layer\n");
 322 +
 323 +       hmi_ctrl_layer = get_layer_for_surface(hmi_ctrl, ivisurf, true);
 324 +       dest_layer = hmi_ctrl_layer->ivilayer;
 325 +
 326 +       ivi_controller_interface->layer_add_surface(dest_layer, ivisurf);
 327 +
 328 +       hmi_ctrl_surf = calloc(1, sizeof(*hmi_ctrl_surf));
 329 +       hmi_ctrl_surf->ivisurf = ivisurf;
 330 +       wl_list_init(&hmi_ctrl_surf->link);
 331 +       wl_list_insert(&hmi_ctrl_layer->surfaces_list, &hmi_ctrl_surf->link);
 332 +
 333 +
 334 +       /*
 335 +        * Set destroy signal for surface
 336 +        * HACK: We trying to track surfaces were created by wl_shell_emulator
 337 +        */
 338 +       if (ivi_controller_interface->get_id_of_surface(ivisurf) >=
 339 +                       DEFAULT_SURFACE_ID_FOR_WL_SHELL_APP) {
 340 +               surface = ivi_controller_interface->surface_get_weston_surface(ivisurf);
 341 +               hmi_ctrl_surf->destroy_listener.notify = hmi_ctrl_surface_destroy;
 342 +               wl_signal_add(&surface->destroy_signal, &hmi_ctrl_surf->destroy_listener);
 343 +               hmi_ctrl_surf->controller = userdata;
 344 +       }
 345 +}
 346 +
 347 +static void
 348 +set_notification_remove_surface(struct ivi_layout_surface *ivisurf,
 349 +                               void *userdata)
 350 +{
 351 +       struct hmi_controller *hmi_ctrl = userdata;
 352 +       struct hmi_controller_layer *hmi_ctrl_layer = NULL;
 353 +       struct hmi_controller_surface *surf = NULL;
 354 +       struct ivi_layout_layer *dest_layer;
 355 +
 356 +       wl_list_for_each(hmi_ctrl_layer, &hmi_ctrl->layers_list, link) {
 357 +               wl_list_for_each(surf, &hmi_ctrl_layer->surfaces_list, link) {
 358 +                       if (surf->ivisurf == ivisurf) {
 359 +                               pr_dbg("Surface remove: surface was found\n");
 360 +                               goto remove;
 361 +                       }
 362 +               }
 363 +       }
 364 +
 365 +       goto exit;
 366 +
 367 +remove:
 368 +       dest_layer = hmi_ctrl_layer->ivilayer;
 369 +
 370 +       wl_list_remove(&surf->link);
 371 +
 372 +       ivi_controller_interface->layer_remove_surface(dest_layer, ivisurf);
 373 +
 374 +       if (wl_list_empty(&hmi_ctrl_layer->surfaces_list)) {
 375 +               wl_list_remove(&hmi_ctrl_layer->link);
 376 +               wl_list_remove(&hmi_ctrl_layer->screen_link);
 377 +               ivi_controller_interface->layer_destroy(dest_layer);
 378 +               free(hmi_ctrl_layer);
 379 +       }
 380 +
 381 +       free(surf);
 382 +
 383 +exit:
 384 +       ivi_controller_interface->commit_changes();
 385 +}
 386 +
 387 +static void
 388 +hmi_ctrl_surface_destroy(struct wl_listener *listener, void *data)
 389 +{
 390 +       struct hmi_controller_surface *hmi_ctrl_surface =
 391 +               container_of(listener, struct hmi_controller_surface,
 392 +                       destroy_listener);
 393 +
 394 +       pr_dbg("Try to remove surface by direct notification\n");
 395 +
 396 +       ivi_controller_interface->surface_destroy(hmi_ctrl_surface->ivisurf);
 397 +}
 398 +
 399 +static void
 400 +set_notification_configure_surface(struct ivi_layout_surface *ivisurf,
 401 +                                  void *userdata)
 402 +{
 403 +       struct hmi_controller *hmi_ctrl = userdata;
 404 +       struct hmi_controller_layer *hmi_ctrl_layer = NULL;
 405 +       struct weston_surface *surface;
 406 +       struct hmi_controller_surface *hmi_ctrl_surf = NULL;
 407 +
 408 +       wl_list_for_each(hmi_ctrl_layer, &hmi_ctrl->layers_list, link) {
 409 +               wl_list_for_each(hmi_ctrl_surf, &hmi_ctrl_layer->surfaces_list, link) {
 410 +                       if (hmi_ctrl_surf->ivisurf == ivisurf) {
 411 +                               pr_dbg("Surface was already configured. Skip add to list\n");
 412 +                               goto found;
 413 +                       }
 414 +               }
 415 +       }
 416 +
 417 +       hmi_ctrl_layer = NULL;
 418 +found:
 419 +       surface = ivi_controller_interface->surface_get_weston_surface(ivisurf);
 420 +
 421 +       if (surface) {
 422 +
 423 +               ivi_controller_interface->surface_set_source_rectangle(
 424 +                       ivisurf, 0, WINDOWS_TITLE_HEIGHT, surface->width,
 425 +                       surface->height);
 426 +
 427 +#if 0
 428 +               ivi_controller_interface->surface_set_destination_rectangle(
 429 +                       ivisurf, 0, 0, surface->width, surface->height);
 430 +#else
 431 +               if (hmi_ctrl_layer) {
 432 +                       ivi_controller_interface->surface_set_destination_rectangle(
 433 +                               ivisurf, 0, 0, hmi_ctrl_layer->width, hmi_ctrl_layer->height);
 434 +               } else {
 435 +                       ivi_controller_interface->surface_set_destination_rectangle(
 436 +                               ivisurf, 0, 0, surface->width, surface->height);
 437 +               }
 438 +#endif
 439 +               ivi_controller_interface->surface_set_visibility(ivisurf, true);
 440 +               ivi_controller_interface->commit_changes();
 441 +       }
 442 +}
 443 +
 444 +static struct hmi_server_setting *
 445 +hmi_server_setting_create(struct weston_compositor *ec)
 446 +{
 447 +       struct hmi_server_setting *setting = MEM_ALLOC(sizeof(*setting));
 448 +       struct weston_config *config = ec->config;
 449 +       struct weston_config_section *shell_section = NULL;
 450 +
 451 +       shell_section = weston_config_get_section(config, "ivi-shell",
 452 +                                                 NULL, NULL);
 453 +
 454 +       weston_config_section_get_uint(shell_section, "base-layer-id",
 455 +                                      &setting->base_layer_id, 1000);
 456 +
 457 +       setting->panel_height = 30;
 458 +
 459 +       return setting;
 460 +}
 461 +
 462 +static void
 463 +hmi_controller_destroy(struct wl_listener *listener, void *data)
 464 +{
 465 +       struct hmi_controller *hmi_ctrl =
 466 +               container_of(listener, struct hmi_controller, destroy_listener);
 467 +
 468 +       free(hmi_ctrl->hmi_setting);
 469 +       free(hmi_ctrl);
 470 +}
 471 +
 472 +static struct hmi_controller *
 473 +hmi_controller_create(struct weston_compositor *ec)
 474 +{
 475 +       struct ivi_layout_screen **pp_screen = NULL;
 476 +       struct ivi_layout_screen *iviscrn  = NULL;
 477 +       int32_t screen_length  = 0;
 478 +       struct hmi_controller *hmi_ctrl = MEM_ALLOC(sizeof(*hmi_ctrl));
 479 +       int i, j = 0;
 480 +
 481 +       hmi_ctrl->hmi_setting = hmi_server_setting_create(ec);
 482 +       hmi_ctrl->compositor = ec;
 483 +
 484 +       ivi_controller_interface->get_screens(&screen_length, &pp_screen);
 485 +
 486 +       for (i = screen_length; i-- ; j++) {
 487 +
 488 +               iviscrn = pp_screen[i];
 489 +               hmi_ctrl->screens[j].iviscrn = iviscrn;
 490 +               wl_list_init(&hmi_ctrl->screens[i].layers_list);
 491 +
 492 +               hmi_ctrl->screens_count++;
 493 +       }
 494 +
 495 +       ivi_controller_interface->add_notification_create_surface(
 496 +               set_notification_create_surface, hmi_ctrl);
 497 +       ivi_controller_interface->add_notification_remove_surface(
 498 +               set_notification_remove_surface, hmi_ctrl);
 499 +       ivi_controller_interface->add_notification_configure_surface(
 500 +               set_notification_configure_surface, hmi_ctrl);
 501 +
 502 +       hmi_ctrl->destroy_listener.notify = hmi_controller_destroy;
 503 +       wl_signal_add(&hmi_ctrl->compositor->destroy_signal,
 504 +                     &hmi_ctrl->destroy_listener);
 505 +
 506 +       wl_list_init(&hmi_ctrl->layers_list);
 507 +
 508 +       free(pp_screen);
 509 +       pp_screen = NULL;
 510 +
 511 +       return hmi_ctrl;
 512 +}
 513 +
 514 +WL_EXPORT const struct wl_interface ivi_hmi_controller_interface = {
 515 +       "ivi_layout_controller", 1,
 516 +       0, NULL,
 517 +       0, NULL,
 518 +};
 519 +
 520 +static void
 521 +bind_hmi_controller(struct wl_client *client,
 522 +                   void *data, uint32_t version, uint32_t id)
 523 +{
 524 +       struct hmi_controller *hmi_ctrl = data;
 525 +
 526 +       if (hmi_ctrl->user_interface != client) {
 527 +               struct wl_resource *res = wl_client_get_object(client, 1);
 528 +               wl_resource_post_error(res,
 529 +                               WL_DISPLAY_ERROR_INVALID_OBJECT,
 530 +                               "hmi-controller failed: permission denied");
 531 +               return;
 532 +       }
 533 +
 534 +       wl_resource_create(client, &ivi_hmi_controller_interface, 1, id);
 535 +}
 536 +
 537 +static int32_t
 538 +initialize(struct hmi_controller *hmi_ctrl)
 539 +{
 540 +       struct config_command {
 541 +               char *key;
 542 +               uint32_t *dest;
 543 +       };
 544 +
 545 +       struct weston_config *config = hmi_ctrl->compositor->config;
 546 +
 547 +       weston_config_get_section(config, "ivi-shell", NULL, NULL);
 548 +
 549 +       return 1;
 550 +}
 551 +
 552 +/*****************************************************************************
 553 + *  exported functions
 554 + ****************************************************************************/
 555 +WL_EXPORT int
 556 +controller_module_init(struct weston_compositor *ec,
 557 +                      int *argc, char *argv[],
 558 +                      const struct ivi_controller_interface *interface,
 559 +                      size_t interface_version)
 560 +{
 561 +       struct hmi_controller *hmi_ctrl = NULL;
 562 +
 563 +
 564 +       if (interface_version < sizeof(struct ivi_controller_interface)) {
 565 +               weston_log("ivi-layout-controller-ti: version mismatch of controller interface");
 566 +               return -1;
 567 +       }
 568 +
 569 +       ivi_controller_interface = interface;
 570 +
 571 +       hmi_ctrl = hmi_controller_create(ec);
 572 +
 573 +       if (!initialize(hmi_ctrl)) {
 574 +               return -1;
 575 +       }
 576 +
 577 +       if (wl_global_create(ec->wl_display,
 578 +                            &ivi_hmi_controller_interface, 1,
 579 +                            hmi_ctrl, bind_hmi_controller) == NULL) {
 580 +               return -1;
 581 +       }
 582 +
 583 +       weston_log("ivi-layout-controller-ti: Successfully started.");
 584 +
 585 +       return 0;
 586 +}
 587 --
 588 2.4.5
 589