1 /**************************************************************************
5 * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
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>
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:
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
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.
34 **************************************************************************/
40 #include "tdm_private.h"
42 pthread_mutex_t tdm_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
44 const char *tdm_mutex_lock_func;
45 int tdm_mutex_lock_line;
46 const char *tdm_mutex_unlock_func;
47 int tdm_mutex_unlock_line;
50 static tdm_private_layer *
51 _tdm_display_find_private_layer(tdm_private_output *private_output,
52 tdm_layer *layer_backend)
54 tdm_private_layer *private_layer = NULL;
56 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
57 if (private_layer->layer_backend == layer_backend)
64 INTERN tdm_private_output *
65 tdm_display_find_private_output(tdm_private_display *private_display, tdm_output *output_backend)
67 tdm_private_output *private_output = NULL;
69 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
70 if (private_output->output_backend == output_backend)
71 return private_output;
78 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
80 tdm_private_output *private_output = NULL;
82 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
83 if (private_output->stamp == stamp)
84 return private_output;
91 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
94 free(caps_pp->formats);
96 memset(caps_pp, 0, sizeof(tdm_caps_pp));
100 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
102 if (caps_capture->formats)
103 free(caps_capture->formats);
105 memset(caps_capture, 0, sizeof(tdm_caps_capture));
109 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
111 if (caps_layer->formats)
112 free(caps_layer->formats);
114 if (caps_layer->props)
115 free(caps_layer->props);
117 memset(caps_layer, 0, sizeof(tdm_caps_layer));
121 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
123 if (caps_output->modes)
124 free(caps_output->modes);
126 if (caps_output->props)
127 free(caps_output->props);
129 memset(caps_output, 0, sizeof(tdm_caps_output));
133 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
135 tdm_private_capture *c = NULL, *cc = NULL;
137 tdm_layer_unset_buffer_internal(private_layer);
139 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
140 tdm_capture_destroy_internal(c);
142 _tdm_display_destroy_caps_layer(&private_layer->caps);
144 /* when destroying layer, someone could check if layer is valid. So delete
145 * the layer's link at last.
147 LIST_DEL(&private_layer->link);
153 _tdm_display_destroy_private_output(tdm_private_output *private_output)
155 tdm_private_display *private_display = private_output->private_display;
156 tdm_private_layer *l = NULL, *ll = NULL;
157 tdm_private_hwc_window *hw = NULL, *hww = NULL;
158 tdm_private_capture *c = NULL, *cc = NULL;
159 tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
160 tdm_private_output_commit_handler *om = NULL, *omm = NULL;
161 tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
162 tdm_private_output_change_handler *h = NULL, *hh = NULL;
164 free(private_output->layers_ptr);
166 if (private_output->vblank_timeout_timer)
167 tdm_event_loop_source_remove(private_output->vblank_timeout_timer);
169 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
174 LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
179 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
184 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
189 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list, link) {
191 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_CHANGE, NULL, tdm_output_thread_cb_change, h);
195 if (private_output->vblank) {
196 /* tdm_vblank APIs is for server. it should be called in unlock status*/
197 _pthread_mutex_unlock(&private_display->lock);
198 tdm_vblank_destroy(private_output->vblank);
199 _pthread_mutex_lock(&private_display->lock);
202 if (private_output->ttrace_vblank) {
203 /* tdm_vblank APIs is for server. it should be called in unlock status*/
204 _pthread_mutex_unlock(&private_display->lock);
205 tdm_vblank_destroy(private_output->ttrace_vblank);
206 _pthread_mutex_lock(&private_display->lock);
209 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
210 tdm_capture_destroy_internal(c);
212 LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_output->hwc_window_list, link)
213 tdm_hwc_window_destroy_internal(hw);
215 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
216 _tdm_display_destroy_private_layer(l);
218 _tdm_display_destroy_caps_output(&private_output->caps);
220 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_NEED_VALIDATE, NULL,
221 tdm_output_need_validate_handler_thread, NULL);
222 tdm_event_loop_source_remove(private_output->need_validate.event_source);
223 close(private_output->need_validate.event_fd);
225 /* when destroying output, vblank objects are also destroyed. vblank checks
226 * if output object is valid. So delete the output's link at last.
228 LIST_DEL(&private_output->link);
230 private_output->stamp = 0;
231 free(private_output);
235 _tdm_display_destroy_private_display(tdm_private_display *private_display)
237 tdm_private_output *o = NULL, *oo = NULL;
238 tdm_private_pp *p = NULL, *pp = NULL;
240 free(private_display->outputs_ptr);
241 if (private_display->outputs) {
242 free(private_display->outputs);
243 private_display->outputs = NULL;
246 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
247 tdm_pp_destroy_internal(p);
249 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
250 _tdm_display_destroy_private_output(o);
252 _tdm_display_destroy_caps_pp(&private_display->caps_pp);
253 _tdm_display_destroy_caps_capture(&private_display->caps_capture);
255 private_display->capabilities = 0;
256 private_display->caps_display.max_layer_count = 0;
260 _tdm_display_update_caps_pp(tdm_private_display *private_display,
263 tdm_func_display *func_display = &private_display->func_display;
266 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
267 return TDM_ERROR_NONE;
269 if (!func_display->display_get_pp_capability) {
270 TDM_ERR("no display_get_pp_capability()");
271 return TDM_ERROR_BAD_MODULE;
274 ret = func_display->display_get_pp_capability(private_display->bdata, caps);
275 if (ret != TDM_ERROR_NONE) {
276 TDM_ERR("display_get_pp_capability() failed");
277 return TDM_ERROR_BAD_MODULE;
280 return TDM_ERROR_NONE;
284 _tdm_display_update_caps_capture(tdm_private_display *private_display,
285 tdm_caps_capture *caps)
287 tdm_func_display *func_display = &private_display->func_display;
290 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
291 return TDM_ERROR_NONE;
293 if (!func_display->display_get_capture_capability) {
294 TDM_ERR("no display_get_capture_capability()");
295 return TDM_ERROR_BAD_MODULE;
298 ret = func_display->display_get_capture_capability(private_display->bdata, caps);
299 if (ret != TDM_ERROR_NONE) {
300 TDM_ERR("display_get_capture_capability() failed");
301 return TDM_ERROR_BAD_MODULE;
304 return TDM_ERROR_NONE;
308 _tdm_display_update_caps_layer(tdm_private_display *private_display,
309 tdm_layer *layer_backend, tdm_caps_layer *caps)
311 tdm_func_layer *func_layer = &private_display->func_layer;
314 if (!func_layer->layer_get_capability) {
315 TDM_ERR("no layer_get_capability()");
316 return TDM_ERROR_BAD_MODULE;
319 ret = func_layer->layer_get_capability(layer_backend, caps);
320 if (ret != TDM_ERROR_NONE) {
321 TDM_ERR("layer_get_capability() failed");
322 return TDM_ERROR_BAD_MODULE;
325 return TDM_ERROR_NONE;
329 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
330 tdm_output *output_backend, tdm_caps_output *caps)
332 tdm_func_output *func_output = &private_display->func_output;
333 char temp[TDM_NAME_LEN];
337 if (!func_output->output_get_capability) {
338 TDM_ERR("no output_get_capability()");
339 return TDM_ERROR_BAD_MODULE;
342 stamp = tdm_helper_get_time();
343 ret = func_output->output_get_capability(output_backend, caps);
344 TDM_DBG("backend output_get_capability() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
346 if (ret != TDM_ERROR_NONE) {
347 TDM_ERR("output_get_capability() failed");
348 return TDM_ERROR_BAD_MODULE;
351 /* FIXME: Use model for tdm client to distinguish amoung outputs */
352 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
353 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
355 return TDM_ERROR_NONE;
359 _tdm_display_update_layer(tdm_private_display *private_display,
360 tdm_private_output *private_output,
361 tdm_layer *layer_backend, int index)
363 tdm_private_layer *private_layer;
366 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
367 if (!private_layer) {
368 private_layer = calloc(1, sizeof(tdm_private_layer));
369 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
371 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
372 private_layer->index = index;
373 private_layer->private_display = private_display;
374 private_layer->private_output = private_output;
375 private_layer->layer_backend = layer_backend;
377 LIST_INITHEAD(&private_layer->capture_list);
379 private_layer->usable = 1;
381 _tdm_display_destroy_caps_layer(&private_layer->caps);
383 ret = _tdm_display_update_caps_layer(private_display, layer_backend,
384 &private_layer->caps);
385 if (ret != TDM_ERROR_NONE)
388 return TDM_ERROR_NONE;
390 _tdm_display_destroy_private_layer(private_layer);
395 tdm_display_update_output(tdm_private_display *private_display,
396 tdm_output *output_backend, int pipe)
398 tdm_func_output *func_output = &private_display->func_output;
399 tdm_private_output *private_output = NULL;
400 tdm_layer **layers = NULL;
401 int layer_count = 0, i;
404 private_output = tdm_display_find_private_output(private_display, output_backend);
405 if (!private_output) {
406 private_output = calloc(1, sizeof(tdm_private_output));
407 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
409 private_output->stamp = tdm_helper_get_time();
410 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
411 private_output->stamp++;
413 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
415 private_output->private_display = private_display;
416 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
417 private_output->output_backend = output_backend;
418 private_output->pipe = pipe;
419 private_output->index = pipe;
421 LIST_INITHEAD(&private_output->layer_list);
422 LIST_INITHEAD(&private_output->hwc_window_list);
423 LIST_INITHEAD(&private_output->capture_list);
424 LIST_INITHEAD(&private_output->vblank_handler_list);
425 LIST_INITHEAD(&private_output->output_commit_handler_list);
426 LIST_INITHEAD(&private_output->layer_commit_handler_list);
427 LIST_INITHEAD(&private_output->pending_commit_handler_list);
428 LIST_INITHEAD(&private_output->change_handler_list);
430 if (func_output->output_set_status_handler) {
431 func_output->output_set_status_handler(private_output->output_backend,
432 tdm_output_cb_status,
434 private_output->regist_change_cb = 1;
437 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
438 &private_output->caps);
439 if (ret != TDM_ERROR_NONE)
442 tdm_caps_output new_caps;
444 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
446 if (ret != TDM_ERROR_NONE)
449 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
450 if (private_output->caps.status != new_caps.status) {
451 _tdm_display_destroy_caps_output(&private_output->caps);
452 private_output->caps = new_caps;
453 private_output->current_mode = NULL;
455 tdm_output_mode *old_modes = private_output->caps.modes;
456 unsigned int old_mode_count = private_output->caps.mode_count;
458 free(new_caps.modes);
459 new_caps.modes = old_modes;
460 new_caps.mode_count = old_mode_count;
461 if (private_output->caps.props)
462 free(private_output->caps.props);
463 private_output->caps = new_caps;
467 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
468 if (ret != TDM_ERROR_NONE)
471 for (i = 0; i < layer_count; i++) {
472 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
473 if (ret != TDM_ERROR_NONE)
479 return TDM_ERROR_NONE;
481 _tdm_display_destroy_private_output(private_output);
487 _tdm_display_set_main_first(tdm_output **outputs, int index)
489 tdm_output *output_tmp = NULL;
494 output_tmp = outputs[0];
495 outputs[0] = outputs[index];
496 outputs[index] = output_tmp;
502 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
504 tdm_func_display *func_display = &private_display->func_display;
505 tdm_output **outputs = NULL;
506 tdm_output **new_outputs = NULL;
507 tdm_output *output_dsi = NULL;
508 tdm_output *output_lvds = NULL;
509 tdm_output *output_hdmia = NULL;
510 tdm_output *output_hdmib = NULL;
511 int i, output_count = 0, output_connected_count = 0;
512 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
515 /* don't change list order if not init time */
516 if (private_display->outputs)
517 return private_display->outputs;
519 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
520 if (ret != TDM_ERROR_NONE)
521 goto failed_get_outputs;
523 *count = output_count;
525 if (output_count == 0)
526 goto failed_get_outputs;
527 else if (output_count == 1) {
528 private_display->outputs = outputs;
532 /* count connected outputs */
533 for (i = 0; i < output_count; i++) {
534 tdm_func_output *func_output = &private_display->func_output;
535 tdm_caps_output caps;
536 memset(&caps, 0, sizeof(tdm_caps_output));
538 if (!func_output->output_get_capability) {
539 TDM_ERR("no output_get_capability()");
540 goto failed_get_outputs;
543 ret = func_output->output_get_capability(outputs[i], &caps);
544 if (ret != TDM_ERROR_NONE) {
545 TDM_ERR("output_get_capability() failed");
546 goto failed_get_outputs;
549 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
550 output_connected_count++;
553 case TDM_OUTPUT_TYPE_DSI:
554 output_dsi = outputs[i];
557 case TDM_OUTPUT_TYPE_LVDS:
558 output_lvds = outputs[i];
561 case TDM_OUTPUT_TYPE_HDMIA:
562 output_hdmia = outputs[i];
565 case TDM_OUTPUT_TYPE_HDMIB:
566 output_hdmib = outputs[i];
574 _tdm_display_destroy_caps_output(&caps);
577 /* ordering : main output is first */
578 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
579 * But hdmi is possible, so set hdmi to main display.
580 * If connected only one output, it is main output.
581 * If connected outputs over 2, has priority like below.
582 * (dsi > lvds > hdmi > else)
584 if (output_connected_count == 0) {
585 /* hdmi > dsi > lvds > else */
586 if (output_hdmia != NULL)
587 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
588 else if (output_hdmib != NULL)
589 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
590 else if (output_dsi != NULL)
591 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
592 else if (output_lvds != NULL)
593 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
595 new_outputs = outputs;
596 } else { /* (output_connected_count > 1) */
597 /* dsi > lvds > hdmi > else */
598 if (output_dsi != NULL)
599 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
600 else if (output_lvds != NULL)
601 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
602 else if (output_hdmia != NULL)
603 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
604 else if (output_hdmib != NULL)
605 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
607 new_outputs = outputs;
610 private_display->outputs = new_outputs;
621 _tdm_display_update_internal(tdm_private_display *private_display,
624 tdm_output **outputs = NULL;
625 int output_count = 0, i;
626 tdm_error ret = TDM_ERROR_NONE;
628 LIST_INITHEAD(&private_display->output_list);
629 LIST_INITHEAD(&private_display->pp_list);
630 LIST_INITHEAD(&private_display->capture_list);
633 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
634 if (ret != TDM_ERROR_NONE)
637 ret = _tdm_display_update_caps_capture(private_display,
638 &private_display->caps_capture);
639 if (ret != TDM_ERROR_NONE)
643 outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
647 for (i = 0; i < output_count; i++) {
648 ret = tdm_display_update_output(private_display, outputs[i], i);
649 if (ret != TDM_ERROR_NONE)
653 return TDM_ERROR_NONE;
656 _tdm_display_destroy_private_display(private_display);
662 tdm_display_update(tdm_display *dpy)
664 tdm_private_display *private_display;
667 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
668 TDM_RETURN_VAL_IF_FAIL(tdm_display_is_valid(dpy), TDM_ERROR_INVALID_PARAMETER);
670 private_display = dpy;
671 _pthread_mutex_lock(&private_display->lock);
673 ret = _tdm_display_update_internal(private_display, 1);
675 _pthread_mutex_unlock(&private_display->lock);
680 #define SUFFIX_MODULE ".so"
681 #define TDM_DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
682 #define TDM_DUMMY_MODULE "libtdm-dummy"SUFFIX_MODULE
684 int tdm_debug_module;
686 int tdm_ttrace_module;
687 int tdm_ttrace_output;
689 static tdm_private_display *g_private_display;
690 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
692 /* LCOV_EXCL_START */
694 _tdm_display_check_module(tdm_backend_module *module)
698 TDM_INFO("TDM ABI version : %d.%d",
699 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
702 TDM_ERR("TDM backend doesn't have name");
703 return TDM_ERROR_BAD_MODULE;
706 if (!module->vendor) {
707 TDM_ERR("TDM backend doesn't have vendor");
708 return TDM_ERROR_BAD_MODULE;
711 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
712 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
714 TDM_INFO("TDM module name: %s", module->name);
715 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
716 TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
718 if (major != TDM_MAJOR_VERSION) {
719 TDM_ERR("'%s' major version mismatch, %d != %d",
720 module->name, major, TDM_MAJOR_VERSION);
721 return TDM_ERROR_BAD_MODULE;
724 if (minor > TDM_MINOR_VERSION) {
725 TDM_ERR("'%s' minor version(%d) is newer than %d",
726 module->name, minor, TDM_MINOR_VERSION);
727 return TDM_ERROR_BAD_MODULE;
731 TDM_ERR("'%s' doesn't have init function", module->name);
732 return TDM_ERROR_BAD_MODULE;
735 if (!module->deinit) {
736 TDM_ERR("'%s' doesn't have deinit function", module->name);
737 return TDM_ERROR_BAD_MODULE;
740 return TDM_ERROR_NONE;
744 _tdm_display_check_backend_functions(tdm_private_display *private_display)
746 tdm_func_display *func_display = &private_display->func_display;
747 tdm_func_output *func_output = &private_display->func_output;
748 tdm_func_layer *func_layer = &private_display->func_layer;
751 /* below functions should be implemented in backend side */
753 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
754 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
755 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
756 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
757 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
759 ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
760 if (ret != TDM_ERROR_NONE) {
761 TDM_ERR("display_get_capability() failed");
762 return TDM_ERROR_BAD_MODULE;
765 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
766 tdm_func_pp *func_pp = &private_display->func_pp;
767 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
768 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
769 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
770 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
771 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
774 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
775 tdm_func_capture *func_capture = &private_display->func_capture;
776 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
777 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
778 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
779 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
780 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
781 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
782 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
783 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
786 return TDM_ERROR_NONE;
790 _tdm_display_load_module_with_file(tdm_private_display *private_display,
793 char path[TDM_PATH_LEN] = {0,};
794 tdm_backend_module *module_data;
800 size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
801 if (size >= (int)sizeof(path)) {
802 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
803 return TDM_ERROR_BAD_MODULE;
806 stamp = tdm_helper_get_time();
808 TDM_TRACE_BEGIN("TDM_Load_Backend");
809 module = dlopen(path, RTLD_LAZY);
811 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
813 return TDM_ERROR_BAD_MODULE;
816 module_data = dlsym(module, "tdm_backend_module_data");
818 TDM_ERR("'%s' doesn't have data object", file);
819 ret = TDM_ERROR_BAD_MODULE;
825 TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
827 private_display->module_data = module_data;
828 private_display->module = module;
830 /* check if version, init() and deinit() are valid or not */
831 ret = _tdm_display_check_module(module_data);
832 if (ret != TDM_ERROR_NONE)
835 /* We don't care if backend_data is NULL or not. It's up to backend. */
836 TDM_TRACE_BEGIN("TDM_Init_Backend");
837 stamp = tdm_helper_get_time();
838 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
839 TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
842 if (ret != TDM_ERROR_NONE) {
843 TDM_ERR("failed to init '%s' module", module_data->name);
847 ret = _tdm_display_check_backend_functions(private_display);
848 if (ret != TDM_ERROR_NONE) {
849 module_data->deinit(private_display->bdata);
850 private_display->bdata = NULL;
854 TDM_INFO("Success to load '%s' module", module_data->name);
856 return TDM_ERROR_NONE;
859 private_display->module_data = NULL;
860 private_display->module = NULL;
865 _tdm_display_load_module(tdm_private_display *private_display)
867 const char *module_names;
869 char temp[TDM_PATH_LEN];
873 module_names = tdm_config_get_string(TDM_CONFIG_KEY_GENERAL_BACKENDS, TDM_DEFAULT_MODULE);
875 snprintf(temp, TDM_PATH_LEN, "%s", module_names);
877 arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
879 ret = _tdm_display_load_module_with_file(private_display, arg);
880 if (ret == TDM_ERROR_NONE)
881 return TDM_ERROR_NONE;
883 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
886 /* load bufmgr priv from dummy lib */
887 ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
888 if (ret == TDM_ERROR_NONE)
889 return TDM_ERROR_NONE;
895 _tdm_display_unload_module(tdm_private_display *private_display)
897 if (private_display->module_data)
898 private_display->module_data->deinit(private_display->bdata);
899 if (private_display->module)
900 dlclose(private_display->module);
902 private_display->bdata = NULL;
903 private_display->module_data = NULL;
904 private_display->module = NULL;
909 tdm_display_init(tdm_error *error)
911 tdm_private_display *private_display = NULL;
914 double stamp1, stamp2, start;
917 pthread_mutex_lock(&gLock);
919 if (g_private_display) {
920 g_private_display->init_count++;
921 pthread_mutex_unlock(&gLock);
923 *error = TDM_ERROR_NONE;
924 return g_private_display;
927 start = stamp1 = tdm_helper_get_time();
929 stamp2 = tdm_helper_get_time();
930 TDM_INFO("config init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
933 private_display = calloc(1, sizeof(tdm_private_display));
934 if (!private_display) {
935 /* LCOV_EXCL_START */
936 ret = TDM_ERROR_OUT_OF_MEMORY;
937 TDM_ERR("'private_display != NULL' failed");
942 private_display->stamp = tdm_helper_get_time();
944 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_MODULE, NULL);
946 tdm_display_enable_debug_module(str);
948 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_DUMP, NULL);
950 tdm_display_enable_dump(private_display, str, NULL, NULL);
952 if (pthread_mutex_init(&private_display->lock, NULL)) {
953 /* LCOV_EXCL_START */
954 ret = TDM_ERROR_OPERATION_FAILED;
955 TDM_ERR("mutex init failed: %m");
956 goto failed_mutex_init;
960 _pthread_mutex_lock(&private_display->lock);
962 stamp2 = tdm_helper_get_time();
963 TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
966 ret = tdm_event_loop_init(private_display);
967 if (ret != TDM_ERROR_NONE)
970 stamp2 = tdm_helper_get_time();
971 TDM_INFO("event loop init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
974 ret = tdm_vblank_init(private_display);
975 if (ret != TDM_ERROR_NONE)
978 ret = tdm_output_init(private_display);
979 if (ret != TDM_ERROR_NONE)
982 ret = tdm_pp_init(private_display);
983 if (ret != TDM_ERROR_NONE)
986 ret = tdm_capture_init(private_display);
987 if (ret != TDM_ERROR_NONE)
990 ret = _tdm_display_load_module(private_display);
991 if (ret != TDM_ERROR_NONE)
994 stamp2 = tdm_helper_get_time();
995 TDM_INFO("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
999 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1000 if (tdm_drm_fd >= 0) {
1001 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1003 if (!private_display->bufmgr) {
1004 TDM_ERR("tbm_bufmgr_init failed");
1007 TDM_INFO("tbm_bufmgr_init successed");
1010 stamp2 = tdm_helper_get_time();
1011 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1016 TDM_TRACE_BEGIN("TDM_Update_Display");
1017 ret = _tdm_display_update_internal(private_display, 0);
1019 if (ret != TDM_ERROR_NONE)
1022 stamp2 = tdm_helper_get_time();
1023 TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1026 tdm_event_loop_create_backend_source(private_display);
1028 private_display->init_count = 1;
1029 g_private_display = private_display;
1031 tdm_private_output *o = NULL;
1032 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1033 if (o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1034 tdm_output_need_validate_event_init(o);
1037 /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1038 * several operational modes (commit_per_vblank modes) related to tdm_commit;
1039 * this functionality can be turned off which means a default mode */
1040 mode = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_COMMIT_PER_VBLANK, 0);
1042 tdm_private_output *o = NULL;
1044 /* outputs which support hwc capability can work only
1045 * if commit_per_vblank mode is '0' (default mode) */
1046 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link)
1047 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1048 tdm_output_choose_commit_per_vblank_mode(o, mode);
1052 *error = TDM_ERROR_NONE;
1054 _pthread_mutex_unlock(&private_display->lock);
1055 pthread_mutex_unlock(&gLock);
1057 TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1059 return (tdm_display *)private_display;
1061 /* LCOV_EXCL_START */
1063 _tdm_display_unload_module(private_display);
1065 tdm_event_loop_stop(private_display);
1066 tdm_event_loop_deinit(private_display);
1068 tdm_vblank_deinit(private_display);
1070 _pthread_mutex_unlock(&private_display->lock);
1071 pthread_mutex_destroy(&private_display->lock);
1073 free(private_display);
1077 pthread_mutex_unlock(&gLock);
1079 /* LCOV_EXCL_STOP */
1083 tdm_display_deinit(tdm_display *dpy)
1085 tdm_private_display *private_display = dpy;
1087 if (!private_display)
1090 TDM_RETURN_IF_FAIL(tdm_display_is_valid(dpy));
1092 pthread_mutex_lock(&gLock);
1094 private_display->init_count--;
1095 if (private_display->init_count > 0) {
1096 pthread_mutex_unlock(&gLock);
1100 /* dont move the position of lock/unlock. all resource should be protected
1101 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1102 * things because it's finalized.
1104 _pthread_mutex_lock(&private_display->lock);
1105 tdm_event_loop_stop(private_display);
1106 tdm_event_loop_deinit(private_display);
1107 _pthread_mutex_unlock(&private_display->lock);
1109 /* when private_output is destroyed, all vblank resources of client and server
1110 * are destroyed. Then we can call tdm_vblank_deinit. After destroying display,
1111 * we can unload backend modulues.
1113 _tdm_display_destroy_private_display(private_display);
1114 _tdm_display_unload_module(private_display);
1116 tdm_vblank_deinit(private_display);
1119 if (private_display->bufmgr)
1120 tbm_bufmgr_deinit(private_display->bufmgr);
1123 tbm_drm_helper_unset_tbm_master_fd();
1125 pthread_mutex_destroy(&private_display->lock);
1126 free(private_display);
1127 g_private_display = NULL;
1129 if (tdm_debug_dump_dir) {
1130 free(tdm_debug_dump_dir);
1131 tdm_debug_dump_dir = NULL;
1134 tdm_config_deinit();
1136 pthread_mutex_unlock(&gLock);
1141 INTERN tdm_private_display *
1142 tdm_display_get(void)
1144 return g_private_display;
1148 tdm_display_is_valid(tdm_display *dpy)
1150 if (dpy != NULL && dpy == g_private_display)
1156 tdm_output_is_valid(tdm_output *output)
1158 tdm_private_output *o = NULL, *private_output = output;
1159 if (output && g_private_display)
1160 LIST_FOR_EACH_ENTRY(o, &g_private_display->output_list, link)
1161 if (o == private_output)
1166 /* LCOV_EXCL_START */
1168 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1170 tdm_backend_module *module = private_display->module_data;
1172 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1175 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1182 tdm_display_enable_debug_module(const char*modules)
1184 char temp[TDM_PATH_LEN];
1188 snprintf(temp, TDM_PATH_LEN, "%s", modules);
1190 tdm_debug_module = 0;
1192 arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
1194 if (!strncmp(arg, "none", 4)) {
1195 tdm_debug_module = 0;
1196 return TDM_ERROR_NONE;
1198 if (!strncmp(arg, "all", 3)) {
1199 tdm_debug_module = 0xFFFFFFFF;
1200 return TDM_ERROR_NONE;
1202 if (!strncmp(arg, "buffer", 6))
1203 tdm_debug_module |= TDM_DEBUG_BUFFER;
1204 else if (!strncmp(arg, "event", 5))
1205 tdm_debug_module |= TDM_DEBUG_EVENT;
1206 else if (!strncmp(arg, "thread", 6))
1207 tdm_debug_module |= TDM_DEBUG_THREAD;
1208 else if (!strncmp(arg, "mutex", 5))
1209 tdm_debug_module |= TDM_DEBUG_MUTEX;
1210 else if (!strncmp(arg, "vblank", 6))
1211 tdm_debug_module |= TDM_DEBUG_VBLANK;
1212 else if (!strncmp(arg, "commit", 6))
1213 tdm_debug_module |= TDM_DEBUG_COMMIT;
1215 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
1218 TDM_INFO("module debugging... '%s'", modules);
1220 return TDM_ERROR_NONE;
1224 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1226 char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1227 char *path = NULL, *path2;
1231 snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1232 path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1233 if (!path2 || path2[0] == '\0')
1234 path2 = TDM_DUMP_DIR;
1240 snprintf(temp, sizeof(temp), "%s", dump_str);
1241 arg = strtok_r(temp, ",", &end);
1242 TDM_GOTO_IF_FAIL(arg != NULL, done);
1244 if (!strncmp(arg, "none", 4)) {
1246 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
1247 if (tdm_debug_dump_dir) {
1248 free(tdm_debug_dump_dir);
1249 tdm_debug_dump_dir = NULL;
1254 path = tdm_helper_dump_make_directory(path2, reply, len);
1255 TDM_GOTO_IF_FAIL(path != NULL, done);
1257 if (!strncmp(arg, "current", 7)) {
1258 tdm_private_output *o = NULL;
1259 if (!private_display) {
1260 TDM_WRN("no private_display");
1264 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1265 tdm_private_layer *l = NULL;
1266 LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1267 char str[TDM_PATH_LEN];
1268 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1270 if (!l->showing_buffer)
1272 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1273 tdm_helper_dump_buffer_str(l->showing_buffer->buffer, path, str);
1277 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1281 TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1284 if (!strncmp(arg, "all", 3)) {
1285 tdm_debug_dump = 0xFFFFFFFF;
1287 } else if (!strncmp(arg, "layer", 5)) {
1288 tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1289 } else if (!strncmp(arg, "pp", 2)) {
1290 tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1291 } else if (!strncmp(arg, "capture", 7)) {
1292 tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1293 } else if (!strncmp(arg, "window", 6)) {
1294 tdm_debug_dump |= TDM_DUMP_FLAG_WINDOW;
1298 arg = strtok_r(NULL, ",", &end);
1301 if (tdm_debug_dump_dir)
1302 free(tdm_debug_dump_dir);
1304 tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1306 TDM_INFO("dump... '%s'", dump_str);
1312 return TDM_ERROR_NONE;
1316 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1317 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1319 tdm_error ret = TDM_ERROR_NONE;
1321 TDM_TRACE_MARK("VSYNC");
1323 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1324 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1328 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1330 tdm_private_display *private_display = dpy;
1331 tdm_private_output *private_output = NULL;
1332 const tdm_output_mode *mode = NULL;
1333 tdm_vblank *vblank = NULL;
1334 tdm_error ret = TDM_ERROR_NONE;
1337 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
1338 if (private_output->ttrace_vblank)
1339 tdm_vblank_destroy(private_output->ttrace_vblank);
1340 private_output->ttrace_vblank = NULL;
1342 return TDM_ERROR_NONE;
1345 private_output = output;
1346 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1348 if (private_output->ttrace_vblank)
1349 return TDM_ERROR_NONE;
1351 vblank = tdm_vblank_create(private_display, output, &ret);
1352 TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1354 ret = tdm_output_get_mode(output, &mode);
1355 TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1357 ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1358 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1360 ret = tdm_vblank_set_enable_fake(vblank, 1);
1361 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1363 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1364 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1366 private_output->ttrace_vblank = vblank;
1368 return TDM_ERROR_NONE;
1372 tdm_vblank_destroy(vblank);
1378 tdm_display_enable_ttrace(tdm_private_display *private_display, const char *ttrace, int output_id, char *reply, int *len)
1380 char temp[TDM_PATH_LEN];
1385 tdm_output_type type;
1387 snprintf(temp, TDM_PATH_LEN, "%s", ttrace);
1389 tdm_ttrace_output = output_id;
1390 tdm_ttrace_module = 0;
1392 output = tdm_display_get_output(private_display, output_id, &ret);
1394 TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
1398 ret = tdm_output_get_output_type(output, &type);
1399 if (ret != TDM_ERROR_NONE) {
1400 TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
1404 arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
1406 if (!strncmp(arg, "none", 4))
1407 tdm_ttrace_module = 0;
1408 else if (!strncmp(arg, "all", 3))
1409 tdm_ttrace_module = 0xFFFFFFFF;
1410 else if (!strncmp(arg, "vsync", 5))
1411 tdm_ttrace_module |= TDM_TTRACE_VSYNC;
1412 else if (!strncmp(arg, "client_vblank", 13))
1413 tdm_ttrace_module |= TDM_TTRACE_CLIENT_VBLANK;
1414 else if (!strncmp(arg, "server_vblank", 13))
1415 tdm_ttrace_module |= TDM_TTRACE_SERVER_VBLANK;
1416 else if (!strncmp(arg, "vblank", 6))
1417 tdm_ttrace_module |= TDM_TTRACE_VBLANK;
1418 else if (!strncmp(arg, "layer", 5))
1419 tdm_ttrace_module |= TDM_TTRACE_LAYER;
1420 else if (!strncmp(arg, "pp", 2))
1421 tdm_ttrace_module |= TDM_TTRACE_PP;
1422 else if (!strncmp(arg, "capture", 7))
1423 tdm_ttrace_module |= TDM_TTRACE_CAPTURE;
1425 tdm_ttrace_module = 0;
1426 tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1427 tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1428 TDM_SNPRINTF(reply, len, "unknown option: '%s'\n", arg);
1429 return TDM_ERROR_NONE;
1432 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
1435 TDM_SNPRINTF(reply, len, "ttrace debugging... '%s' %x\n", ttrace, tdm_ttrace_module);
1437 if (tdm_ttrace_module & TDM_TTRACE_VSYNC)
1438 tdm_display_enable_ttrace_vblank(private_display, output, 1);
1440 tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1442 if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK)
1443 tdm_server_enable_ttrace_client_vblank(private_display, output, 1);
1445 tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1447 return TDM_ERROR_NONE;
1451 tdm_display_enable_fps(tdm_private_display *private_display, int enable)
1453 private_display->print_fps = enable;
1455 TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
1457 return TDM_ERROR_NONE;
1459 /* LCOV_EXCL_STOP */