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 <boram1288.park@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;
49 pthread_mutex_t tdm_debug_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
50 const char *tdm_debug_mutex_lock_func;
51 int tdm_debug_mutex_lock_line;
54 static tdm_private_layer *
55 _tdm_display_find_private_layer(tdm_private_output *private_output,
56 tdm_layer *layer_backend)
58 tdm_private_layer *private_layer = NULL;
60 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
61 if (private_layer->layer_backend == layer_backend)
68 INTERN tdm_private_output *
69 tdm_display_find_private_output(tdm_private_display *private_display, tdm_output *output_backend)
71 tdm_private_module *private_module = NULL;
72 tdm_private_output *private_output = NULL;
74 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
75 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
76 if (private_output->output_backend == output_backend)
77 return private_output;
85 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
87 tdm_private_module *private_module = NULL;
88 tdm_private_output *private_output = NULL;
90 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
91 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
92 if (private_output->stamp == stamp)
93 return private_output;
101 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
103 if (caps_pp->formats)
104 free(caps_pp->formats);
106 memset(caps_pp, 0, sizeof(tdm_caps_pp));
110 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
112 if (caps_capture->formats)
113 free(caps_capture->formats);
115 memset(caps_capture, 0, sizeof(tdm_caps_capture));
119 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
121 if (caps_layer->formats)
122 free(caps_layer->formats);
124 if (caps_layer->props)
125 free(caps_layer->props);
127 memset(caps_layer, 0, sizeof(tdm_caps_layer));
131 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
133 if (caps_output->modes)
134 free(caps_output->modes);
136 if (caps_output->props)
137 free(caps_output->props);
139 memset(caps_output, 0, sizeof(tdm_caps_output));
143 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
145 tdm_private_capture *c = NULL, *cc = NULL;
147 tdm_layer_unset_buffer_internal(private_layer);
149 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
150 tdm_capture_destroy_internal(c);
152 _tdm_display_destroy_caps_layer(&private_layer->caps);
154 /* when destroying layer, someone could check if layer is valid. So delete
155 * the layer's link at last.
157 LIST_DEL(&private_layer->link);
163 _tdm_display_destroy_private_output(tdm_private_output *private_output)
165 tdm_private_display *private_display = private_output->private_display;
166 tdm_private_layer *l = NULL, *ll = NULL;
167 tdm_private_hwc_window *hw = NULL, *hww = NULL;
168 tdm_private_capture *c = NULL, *cc = NULL;
169 tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
170 tdm_private_output_commit_handler *om = NULL, *omm = NULL;
171 tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
172 tdm_private_output_change_handler *h = NULL, *hh = NULL;
174 free(private_output->layers_ptr);
176 if (private_output->vblank_timeout_timer)
177 tdm_event_loop_source_remove(private_output->vblank_timeout_timer);
179 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
184 LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
189 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
194 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
199 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list, link) {
201 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, h);
202 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, h);
206 if (private_output->vblank) {
207 /* tdm_vblank APIs is for server. it should be called in unlock status*/
208 _pthread_mutex_unlock(&private_display->lock);
209 tdm_vblank_destroy(private_output->vblank);
210 _pthread_mutex_lock(&private_display->lock);
213 if (private_output->ttrace_vblank) {
214 /* tdm_vblank APIs is for server. it should be called in unlock status*/
215 _pthread_mutex_unlock(&private_display->lock);
216 tdm_vblank_destroy(private_output->ttrace_vblank);
217 _pthread_mutex_lock(&private_display->lock);
220 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
221 tdm_capture_destroy_internal(c);
223 LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_output->hwc_window_list, link)
224 tdm_hwc_window_destroy_internal(hw);
226 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
227 _tdm_display_destroy_private_layer(l);
229 _tdm_display_destroy_caps_output(&private_output->caps);
231 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_NEED_VALIDATE, NULL,
232 tdm_output_need_validate_handler_thread, NULL);
233 tdm_event_loop_source_remove(private_output->need_validate.event_source);
234 close(private_output->need_validate.event_fd);
236 /* when destroying output, vblank objects are also destroyed. vblank checks
237 * if output object is valid. So delete the output's link at last.
239 LIST_DEL(&private_output->link);
241 private_output->stamp = 0;
242 free(private_output);
246 _tdm_display_destroy_private_display(tdm_private_display *private_display)
248 tdm_private_module *private_module = NULL, *bb = NULL;
249 tdm_private_output *o = NULL, *oo = NULL;
250 tdm_private_pp *p = NULL, *pp = NULL;
252 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
253 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_module->pp_list, link) {
254 tdm_pp_destroy_internal(p);
257 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_module->output_list, link) {
258 _tdm_display_destroy_private_output(o);
261 _tdm_display_destroy_caps_pp(&private_module->caps_pp);
262 _tdm_display_destroy_caps_capture(&private_module->caps_capture);
264 private_module->capabilities = 0;
265 private_module->caps_display.max_layer_count = 0;
267 if (private_module->outputs) {
268 free(private_module->outputs);
269 private_module->outputs = NULL;
275 _tdm_display_update_caps_pp(tdm_private_module *private_module, tdm_caps_pp *caps)
277 tdm_func_display *func_display;
280 func_display = &private_module->func_display;
282 if (!func_display->display_get_pp_capability) {
283 TDM_ERR("backend(%s) no display_get_pp_capability()", private_module->module_data->name);
284 return TDM_ERROR_BAD_MODULE;
287 ret = func_display->display_get_pp_capability(private_module->bdata, caps);
288 if (ret != TDM_ERROR_NONE) {
289 TDM_ERR("backend(%s) display_get_pp_capability() failed", private_module->module_data->name);
290 return TDM_ERROR_BAD_MODULE;
293 return TDM_ERROR_NONE;
297 _tdm_display_update_caps_capture(tdm_private_module *private_module, tdm_caps_capture *caps)
299 tdm_func_display *func_display;
302 func_display = &private_module->func_display;
304 if (!func_display->display_get_capture_capability) {
305 TDM_ERR("backend(%s) no display_get_capture_capability()", private_module->module_data->name);
306 return TDM_ERROR_BAD_MODULE;
309 ret = func_display->display_get_capture_capability(private_module->bdata, caps);
310 if (ret != TDM_ERROR_NONE) {
311 TDM_ERR("backend(%s) display_get_capture_capability() failed", private_module->module_data->name);
312 return TDM_ERROR_BAD_MODULE;
315 return TDM_ERROR_NONE;
319 _tdm_display_update_caps_layer(tdm_private_module *private_module,
320 tdm_layer *layer_backend, tdm_caps_layer *caps)
322 tdm_func_layer *func_layer = &private_module->func_layer;
325 if (!func_layer->layer_get_capability) {
326 TDM_ERR("backend(%s) no layer_get_capability()", private_module->module_data->name);
327 return TDM_ERROR_BAD_MODULE;
330 ret = func_layer->layer_get_capability(layer_backend, caps);
331 if (ret != TDM_ERROR_NONE) {
332 TDM_ERR("backend(%s) layer_get_capability() failed", private_module->module_data->name);
333 return TDM_ERROR_BAD_MODULE;
336 return TDM_ERROR_NONE;
340 _tdm_display_update_caps_output(tdm_private_module *private_module, int pipe,
341 tdm_output *output_backend, tdm_caps_output *caps)
343 tdm_func_output *func_output = &private_module->func_output;
344 char temp[TDM_NAME_LEN];
348 if (!func_output->output_get_capability) {
349 TDM_ERR("backend(%s) no output_get_capability()", private_module->module_data->name);
350 return TDM_ERROR_BAD_MODULE;
353 stamp = tdm_helper_get_time();
354 ret = func_output->output_get_capability(output_backend, caps);
355 TDM_DBG("backend(%s) backend output_get_capability() time: %.3f ms",
356 private_module->module_data->name, (tdm_helper_get_time() - stamp) * 1000.0);
358 if (ret != TDM_ERROR_NONE) {
359 TDM_ERR("backend(%s) output_get_capability() failed", private_module->module_data->name);
360 return TDM_ERROR_BAD_MODULE;
363 /* FIXME: Use model for tdm client to distinguish amoung outputs */
364 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
365 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
367 return TDM_ERROR_NONE;
371 _tdm_display_update_layer(tdm_private_output *private_output,
372 tdm_layer *layer_backend, int index)
374 tdm_private_layer *private_layer;
377 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
378 if (!private_layer) {
379 private_layer = calloc(1, sizeof(tdm_private_layer));
380 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
382 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
383 LIST_INITHEAD(&private_layer->capture_list);
385 private_layer->index = index;
386 private_layer->private_module = private_output->private_module;
387 private_layer->private_display = private_output->private_display;
388 private_layer->private_output = private_output;
389 private_layer->layer_backend = layer_backend;
390 private_layer->usable = 1;
393 _tdm_display_destroy_caps_layer(&private_layer->caps);
395 ret = _tdm_display_update_caps_layer(private_output->private_module, layer_backend, &private_layer->caps);
396 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
398 return TDM_ERROR_NONE;
402 tdm_display_update_output(tdm_private_module *private_module,
403 tdm_output *output_backend, int pipe, unsigned int need_new_caps)
405 tdm_func_output *func_output = &private_module->func_output;
406 tdm_private_output *private_output = NULL;
407 tdm_layer **layers = NULL;
408 int layer_count = 0, i;
411 private_output = tdm_display_find_private_output(private_module->private_display, output_backend);
412 if (!private_output) {
413 private_output = calloc(1, sizeof(tdm_private_output));
414 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
416 private_output->stamp = tdm_helper_get_time();
417 while (tdm_display_find_output_stamp(private_module->private_display, private_output->stamp))
418 private_output->stamp++;
420 LIST_ADDTAIL(&private_output->link, &private_module->output_list);
422 private_output->private_module = private_module;
423 private_output->private_display = private_module->private_display;
424 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
425 private_output->output_backend = output_backend;
426 private_output->pipe = pipe;
427 private_output->index = pipe;
429 LIST_INITHEAD(&private_output->layer_list);
430 LIST_INITHEAD(&private_output->hwc_window_list);
431 LIST_INITHEAD(&private_output->capture_list);
432 LIST_INITHEAD(&private_output->vblank_handler_list);
433 LIST_INITHEAD(&private_output->output_commit_handler_list);
434 LIST_INITHEAD(&private_output->layer_commit_handler_list);
435 LIST_INITHEAD(&private_output->pending_commit_handler_list);
436 LIST_INITHEAD(&private_output->change_handler_list);
438 private_output->need_validate.event_fd = -1;
440 if (func_output->output_set_status_handler) {
441 func_output->output_set_status_handler(private_output->output_backend,
442 tdm_output_cb_status,
444 private_output->regist_change_cb = 1;
448 /* need_new_caps will be true only in case of "disconnected -> connected" and "connected -> disconnected"
449 * because we have to get new modes.
452 _tdm_display_destroy_caps_output(&private_output->caps);
454 ret = _tdm_display_update_caps_output(private_module, pipe, output_backend, &private_output->caps);
455 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
457 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
458 private_output->current_mode = NULL;
461 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
462 if (ret != TDM_ERROR_NONE) {
467 for (i = 0; i < layer_count; i++) {
468 ret = _tdm_display_update_layer(private_output, layers[i], i);
469 if (ret != TDM_ERROR_NONE) {
477 return TDM_ERROR_NONE;
481 _tdm_display_set_main_first(tdm_output **outputs, int index)
483 tdm_output *output_tmp = NULL;
488 output_tmp = outputs[0];
489 outputs[0] = outputs[index];
490 outputs[index] = output_tmp;
494 _tdm_display_get_ordered_outputs(tdm_private_module *private_module, int *count)
496 tdm_func_display *func_display = &private_module->func_display;
497 tdm_output **outputs = NULL;
498 tdm_output *output_dsi = NULL;
499 tdm_output *output_lvds = NULL;
500 tdm_output *output_hdmia = NULL;
501 tdm_output *output_hdmib = NULL;
502 int i, output_count = 0, output_connected_count = 0;
503 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
506 /* don't change list order if not init time */
507 if (private_module->outputs) {
508 TDM_ERR("can't change output order");
509 return private_module->outputs;
512 outputs = func_display->display_get_outputs(private_module->bdata, &output_count, &ret);
513 if (ret != TDM_ERROR_NONE)
514 goto failed_get_outputs;
516 *count = output_count;
518 if (output_count == 0)
519 goto failed_get_outputs;
520 else if (output_count == 1) {
521 private_module->outputs = outputs;
525 /* count connected outputs */
526 for (i = 0; i < output_count; i++) {
527 tdm_func_output *func_output = &private_module->func_output;
528 tdm_caps_output caps;
529 memset(&caps, 0, sizeof(tdm_caps_output));
531 ret = func_output->output_get_capability(outputs[i], &caps);
532 if (ret != TDM_ERROR_NONE) {
533 TDM_ERR("output_get_capability() failed");
534 goto failed_get_outputs;
537 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
538 output_connected_count++;
541 case TDM_OUTPUT_TYPE_DSI:
542 output_dsi = outputs[i];
545 case TDM_OUTPUT_TYPE_LVDS:
546 output_lvds = outputs[i];
549 case TDM_OUTPUT_TYPE_HDMIA:
550 output_hdmia = outputs[i];
553 case TDM_OUTPUT_TYPE_HDMIB:
554 output_hdmib = outputs[i];
562 _tdm_display_destroy_caps_output(&caps);
565 /* ordering : main output is first */
566 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
567 * But hdmi is possible, so set hdmi to main display.
568 * If connected only one output, it is main output.
569 * If connected outputs over 2, has priority like below.
570 * (dsi > lvds > hdmi > else)
572 if (output_connected_count == 0) {
573 /* hdmi > dsi > lvds > else */
574 if (output_hdmia != NULL)
575 _tdm_display_set_main_first(outputs, index_hdmia);
576 else if (output_hdmib != NULL)
577 _tdm_display_set_main_first(outputs, index_hdmib);
578 else if (output_dsi != NULL)
579 _tdm_display_set_main_first(outputs, index_dsi);
580 else if (output_lvds != NULL)
581 _tdm_display_set_main_first(outputs, index_lvds);
582 } else { /* (output_connected_count > 1) */
583 /* dsi > lvds > hdmi > else */
584 if (output_dsi != NULL)
585 _tdm_display_set_main_first(outputs, index_dsi);
586 else if (output_lvds != NULL)
587 _tdm_display_set_main_first(outputs, index_lvds);
588 else if (output_hdmia != NULL)
589 _tdm_display_set_main_first(outputs, index_hdmia);
590 else if (output_hdmib != NULL)
591 _tdm_display_set_main_first(outputs, index_hdmib);
594 private_module->outputs = outputs;
605 _tdm_display_setup(tdm_private_display *private_display)
607 tdm_private_module *private_module = NULL;
608 tdm_error ret = TDM_ERROR_NONE;
611 if (private_display->pp_module) {
612 ret = _tdm_display_update_caps_pp(private_display->pp_module,
613 &private_display->pp_module->caps_pp);
614 if (ret != TDM_ERROR_NONE)
618 if (private_display->capture_module) {
619 ret = _tdm_display_update_caps_capture(private_display->capture_module,
620 &private_display->capture_module->caps_capture);
621 if (ret != TDM_ERROR_NONE)
625 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
626 tdm_output **outputs;
627 int output_count = 0, i;
629 outputs = _tdm_display_get_ordered_outputs(private_module, &output_count);
633 for (i = 0; i < output_count; i++) {
634 ret = tdm_display_update_output(private_module, outputs[i], index++, 1);
635 if (ret != TDM_ERROR_NONE)
640 return TDM_ERROR_NONE;
643 _tdm_display_destroy_private_display(private_display);
649 tdm_display_update(tdm_display *dpy)
651 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
653 TDM_DEPRECATED(NULL);
655 return TDM_ERROR_NONE;
658 int tdm_debug_module;
660 int tdm_ttrace_module;
661 int tdm_ttrace_output;
663 static tdm_private_display *g_private_display;
664 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
666 /* LCOV_EXCL_START */
668 _tdm_display_check_module(tdm_backend_module *module)
672 TDM_INFO("TDM ABI version : %d.%d",
673 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
676 TDM_ERR("TDM backend doesn't have name");
677 return TDM_ERROR_BAD_MODULE;
680 if (!module->vendor) {
681 TDM_ERR("TDM backend doesn't have vendor");
682 return TDM_ERROR_BAD_MODULE;
685 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
686 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
688 TDM_INFO("TDM module name: %s", module->name);
689 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
690 TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
692 if (major != TDM_MAJOR_VERSION) {
693 TDM_ERR("'%s' major version mismatch, %d != %d",
694 module->name, major, TDM_MAJOR_VERSION);
695 return TDM_ERROR_BAD_MODULE;
698 if (minor > TDM_MINOR_VERSION) {
699 TDM_ERR("'%s' minor version(%d) is newer than %d",
700 module->name, minor, TDM_MINOR_VERSION);
701 return TDM_ERROR_BAD_MODULE;
705 TDM_ERR("'%s' doesn't have init function", module->name);
706 return TDM_ERROR_BAD_MODULE;
709 if (!module->deinit) {
710 TDM_ERR("'%s' doesn't have deinit function", module->name);
711 return TDM_ERROR_BAD_MODULE;
714 return TDM_ERROR_NONE;
718 _tdm_display_check_backend_functions(tdm_private_module *private_module)
720 tdm_func_display *func_display = &private_module->func_display;
721 tdm_func_output *func_output = &private_module->func_output;
722 tdm_func_layer *func_layer = &private_module->func_layer;
725 /* below functions should be implemented in backend side */
727 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
728 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capability, TDM_ERROR_BAD_MODULE);
729 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
730 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
731 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
732 TDM_RETURN_VAL_IF_FAIL(func_output->output_wait_vblank, TDM_ERROR_BAD_MODULE);
733 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_vblank_handler, TDM_ERROR_BAD_MODULE);
734 TDM_RETURN_VAL_IF_FAIL(func_output->output_commit, TDM_ERROR_BAD_MODULE);
735 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_commit_handler, TDM_ERROR_BAD_MODULE);
736 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_mode, TDM_ERROR_BAD_MODULE);
737 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
738 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_info, TDM_ERROR_BAD_MODULE);
739 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, TDM_ERROR_BAD_MODULE);
740 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_buffer, TDM_ERROR_BAD_MODULE);
741 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_unset_buffer, TDM_ERROR_BAD_MODULE);
743 ret = func_display->display_get_capability(private_module->bdata, &private_module->caps_display);
744 if (ret != TDM_ERROR_NONE) {
745 TDM_ERR("display_get_capability() failed");
746 return TDM_ERROR_BAD_MODULE;
749 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
750 tdm_func_pp *func_pp = &private_module->func_pp;
751 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
752 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
753 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
754 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
755 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
758 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
759 tdm_func_capture *func_capture = &private_module->func_capture;
760 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
761 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
762 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
763 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
764 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
765 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
766 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
767 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
770 return TDM_ERROR_NONE;
774 _tdm_display_load_module_with_file(tdm_private_display *private_display,
777 char path[TDM_PATH_LEN] = {0,};
779 tdm_backend_module *module_data;
780 tdm_backend_data *bdata = NULL;
781 tdm_private_module *private_module = NULL;
786 size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
787 if (size >= (int)sizeof(path)) {
788 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
789 return TDM_ERROR_BAD_MODULE;
792 private_module = calloc(1, sizeof *private_module);
793 if (!private_module) {
794 TDM_ERR("alloc failed: %m");
795 ret = TDM_ERROR_OUT_OF_MEMORY;
799 private_module->private_display = private_display;
801 stamp = tdm_helper_get_time();
803 TDM_TRACE_BEGIN("TDM_Load_Backend");
804 module = dlopen(path, RTLD_LAZY);
806 TDM_ERR("%s", dlerror());
808 ret = TDM_ERROR_BAD_MODULE;
812 private_module->module = module;
814 module_data = dlsym(module, "tdm_backend_module_data");
816 TDM_ERR("'%s' doesn't have data object", file);
817 ret = TDM_ERROR_BAD_MODULE;
823 private_module->module_data = module_data;
825 TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
827 /* check if version, init() and deinit() are valid or not */
828 ret = _tdm_display_check_module(module_data);
829 if (ret != TDM_ERROR_NONE) {
830 TDM_ERR("backend(%s) load failed: check module error", module_data->name);
834 private_display->current_module = private_module;
836 /* We don't care if backend_data is NULL or not. It's up to backend. */
837 TDM_TRACE_BEGIN("TDM_Init_Backend");
838 stamp = tdm_helper_get_time();
839 bdata = module_data->init((tdm_display *)private_display, &ret);
840 TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
843 private_display->current_module = NULL;
845 private_module->bdata = bdata;
847 if (ret != TDM_ERROR_NONE) {
848 TDM_ERR("backend(%s) load failed: init error", module_data->name);
852 ret = _tdm_display_check_backend_functions(private_module);
853 if (ret != TDM_ERROR_NONE) {
854 TDM_ERR("backend(%s) load failed: check functions error", module_data->name);
858 LIST_INITHEAD(&private_module->output_list);
859 LIST_INITHEAD(&private_module->pp_list);
860 LIST_INITHEAD(&private_module->capture_list);
862 LIST_ADDTAIL(&private_module->link, &private_display->module_list);
864 TDM_INFO("Success to load '%s' module", module_data->name);
866 return TDM_ERROR_NONE;
869 module_data->deinit(bdata);
873 free(private_module);
878 _tdm_display_load_modules(tdm_private_display *private_display)
880 const char *module_names;
881 tdm_error ret = TDM_ERROR_NONE;
882 char temp[TDM_PATH_LEN];
886 LIST_INITHEAD(&private_display->module_list);
888 module_names = tdm_config_get_string(TDM_CONFIG_KEY_GENERAL_BACKENDS, TDM_DEFAULT_MODULE);
890 snprintf(temp, TDM_PATH_LEN, "%s", module_names);
892 arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
894 TDM_INFO("loading a %s backend", arg);
895 ret = _tdm_display_load_module_with_file(private_display, arg);
896 if (ret == TDM_ERROR_NONE)
897 TDM_INFO("%s backend loading success", arg);
899 TDM_INFO("%s backend loading failed", arg);
900 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
903 /* load bufmgr priv from dummy lib */
904 if (LIST_IS_EMPTY(&private_display->module_list)) {
905 TDM_WRN("No backend. loading a %s backend", TDM_DUMMY_MODULE);
906 ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
907 if (ret == TDM_ERROR_NONE)
908 TDM_INFO("%s backend loading success", TDM_DUMMY_MODULE);
910 TDM_INFO("%s backend loading failed", TDM_DUMMY_MODULE);
917 _tdm_display_unload_modules(tdm_private_display *private_display)
919 tdm_private_module *private_module = NULL, *bb = NULL;
921 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
922 LIST_DEL(&private_module->link);
924 if (private_module->module_data)
925 private_module->module_data->deinit(private_module->bdata);
926 if (private_module->module)
927 dlclose(private_module->module);
929 free(private_module);
935 tdm_display_init(tdm_error *error)
937 tdm_private_display *private_display = NULL;
940 double stamp1, stamp2, start;
943 pthread_mutex_lock(&gLock);
945 if (g_private_display) {
946 g_private_display->init_count++;
947 pthread_mutex_unlock(&gLock);
949 *error = TDM_ERROR_NONE;
950 return g_private_display;
953 start = stamp1 = tdm_helper_get_time();
955 stamp2 = tdm_helper_get_time();
956 TDM_INFO("config init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
959 private_display = calloc(1, sizeof(tdm_private_display));
960 if (!private_display) {
961 /* LCOV_EXCL_START */
962 ret = TDM_ERROR_OUT_OF_MEMORY;
963 TDM_ERR("'private_display != NULL' failed");
968 private_display->stamp = tdm_helper_get_time();
970 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_MODULE, NULL);
972 tdm_display_enable_debug_module(str);
974 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_DUMP, NULL);
976 tdm_display_enable_dump(private_display, str, NULL, NULL);
978 if (pthread_mutex_init(&private_display->lock, NULL)) {
979 /* LCOV_EXCL_START */
980 ret = TDM_ERROR_OPERATION_FAILED;
981 TDM_ERR("mutex init failed: %m");
982 goto failed_mutex_init;
986 _pthread_mutex_lock(&private_display->lock);
988 stamp2 = tdm_helper_get_time();
989 TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
992 ret = tdm_event_loop_init(private_display);
993 if (ret != TDM_ERROR_NONE)
996 stamp2 = tdm_helper_get_time();
997 TDM_INFO("event loop init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1000 ret = tdm_vblank_init(private_display);
1001 if (ret != TDM_ERROR_NONE)
1004 ret = tdm_output_init(private_display);
1005 if (ret != TDM_ERROR_NONE)
1008 ret = tdm_pp_init(private_display);
1009 if (ret != TDM_ERROR_NONE)
1012 ret = tdm_capture_init(private_display);
1013 if (ret != TDM_ERROR_NONE)
1016 ret = _tdm_display_load_modules(private_display);
1017 if (ret != TDM_ERROR_NONE)
1020 stamp2 = tdm_helper_get_time();
1021 TDM_INFO("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1025 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1026 if (tdm_drm_fd >= 0) {
1027 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1029 if (!private_display->bufmgr) {
1030 TDM_ERR("tbm_bufmgr_init failed");
1033 TDM_INFO("tbm_bufmgr_init successed");
1036 stamp2 = tdm_helper_get_time();
1037 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1042 TDM_TRACE_BEGIN("TDM_Update_Display");
1043 ret = _tdm_display_setup(private_display);
1045 if (ret != TDM_ERROR_NONE)
1048 stamp2 = tdm_helper_get_time();
1049 TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1052 tdm_event_loop_create_backend_source(private_display);
1054 private_display->init_count = 1;
1055 g_private_display = private_display;
1057 tdm_private_module *b = NULL;
1058 tdm_private_output *o = NULL;
1059 LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1060 LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1061 if (o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1062 tdm_output_need_validate_event_init(o);
1066 /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1067 * several operational modes (commit_per_vblank modes) related to tdm_commit;
1068 * this functionality can be turned off which means a default mode */
1069 mode = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_COMMIT_PER_VBLANK, 0);
1071 tdm_private_module *b = NULL;
1072 tdm_private_output *o = NULL;
1074 /* outputs which support hwc capability can work only
1075 * if commit_per_vblank mode is '0' (default mode) */
1076 LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1077 LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1078 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1079 tdm_output_choose_commit_per_vblank_mode(o, mode);
1085 *error = TDM_ERROR_NONE;
1087 _pthread_mutex_unlock(&private_display->lock);
1088 pthread_mutex_unlock(&gLock);
1090 TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1092 return (tdm_display *)private_display;
1094 /* LCOV_EXCL_START */
1096 _tdm_display_unload_modules(private_display);
1098 tdm_vblank_deinit(private_display);
1100 tdm_event_loop_stop(private_display);
1101 tdm_event_loop_deinit(private_display);
1103 _pthread_mutex_unlock(&private_display->lock);
1104 pthread_mutex_destroy(&private_display->lock);
1106 free(private_display);
1110 pthread_mutex_unlock(&gLock);
1112 /* LCOV_EXCL_STOP */
1116 tdm_display_deinit(tdm_display *dpy)
1118 tdm_private_display *private_display = dpy;
1120 if (!private_display)
1123 pthread_mutex_lock(&gLock);
1125 private_display->init_count--;
1126 if (private_display->init_count > 0) {
1127 pthread_mutex_unlock(&gLock);
1131 /* dont move the position of lock/unlock. all resource should be protected
1132 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1133 * things because it's finalized.
1135 _pthread_mutex_lock(&private_display->lock);
1136 tdm_event_loop_stop(private_display);
1137 _pthread_mutex_unlock(&private_display->lock);
1139 tdm_event_loop_deinit(private_display);
1141 /* when private_output is destroyed, all vblank resources of client and server
1142 * are destroyed. Then we can call tdm_vblank_deinit. After destroying display,
1143 * we can unload backend modulues.
1145 _tdm_display_destroy_private_display(private_display);
1146 _tdm_display_unload_modules(private_display);
1148 tdm_vblank_deinit(private_display);
1151 if (private_display->bufmgr)
1152 tbm_bufmgr_deinit(private_display->bufmgr);
1155 tbm_drm_helper_unset_tbm_master_fd();
1157 pthread_mutex_destroy(&private_display->lock);
1158 free(private_display);
1159 g_private_display = NULL;
1161 if (tdm_debug_dump_dir) {
1162 free(tdm_debug_dump_dir);
1163 tdm_debug_dump_dir = NULL;
1166 tdm_config_deinit();
1168 pthread_mutex_unlock(&gLock);
1173 INTERN tdm_private_display *
1174 tdm_display_get(void)
1176 return g_private_display;