Lines Matching +full:audio +full:- +full:bridge
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
97 /* wait for audio signaling */
112 struct msm_dp_audio *audio; member
198 { .compatible = "qcom,glymur-dp", .data = &msm_dp_desc_glymur },
199 { .compatible = "qcom,sa8775p-dp", .data = &msm_dp_desc_sa8775p },
200 { .compatible = "qcom,sc7180-dp", .data = &msm_dp_desc_sc7180 },
201 { .compatible = "qcom,sc7280-dp", .data = &msm_dp_desc_sc7280 },
202 { .compatible = "qcom,sc7280-edp", .data = &msm_dp_desc_sc7280 },
203 { .compatible = "qcom,sc8180x-dp", .data = &msm_dp_desc_sc8180x },
204 { .compatible = "qcom,sc8180x-edp", .data = &msm_dp_desc_sc8180x },
205 { .compatible = "qcom,sc8280xp-dp", .data = &msm_dp_desc_sc8280xp },
206 { .compatible = "qcom,sc8280xp-edp", .data = &msm_dp_desc_sc8280xp },
207 { .compatible = "qcom,sdm845-dp", .data = &msm_dp_desc_sdm845 },
208 { .compatible = "qcom,sm8350-dp", .data = &msm_dp_desc_sc7180 },
209 { .compatible = "qcom,sm8650-dp", .data = &msm_dp_desc_sm8650 },
210 { .compatible = "qcom,x1e80100-dp", .data = &msm_dp_desc_x1e80100 },
228 spin_lock_irqsave(&msm_dp_priv->event_lock, flag); in msm_dp_add_event()
229 pndx = msm_dp_priv->event_pndx + 1; in msm_dp_add_event()
231 if (pndx == msm_dp_priv->event_gndx) { in msm_dp_add_event()
233 msm_dp_priv->event_pndx, msm_dp_priv->event_gndx); in msm_dp_add_event()
234 spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag); in msm_dp_add_event()
235 return -EPERM; in msm_dp_add_event()
237 todo = &msm_dp_priv->event_list[msm_dp_priv->event_pndx++]; in msm_dp_add_event()
238 msm_dp_priv->event_pndx %= DP_EVENT_Q_MAX; in msm_dp_add_event()
239 todo->event_id = event; in msm_dp_add_event()
240 todo->data = data; in msm_dp_add_event()
241 todo->delay = delay; in msm_dp_add_event()
242 wake_up(&msm_dp_priv->event_q); in msm_dp_add_event()
243 spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag); in msm_dp_add_event()
254 spin_lock_irqsave(&msm_dp_priv->event_lock, flag); in msm_dp_del_event()
255 if (msm_dp_priv->event_pndx == msm_dp_priv->event_gndx) { in msm_dp_del_event()
256 spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag); in msm_dp_del_event()
257 return -ENOENT; in msm_dp_del_event()
260 gndx = msm_dp_priv->event_gndx; in msm_dp_del_event()
261 while (msm_dp_priv->event_pndx != gndx) { in msm_dp_del_event()
262 todo = &msm_dp_priv->event_list[gndx]; in msm_dp_del_event()
263 if (todo->event_id == event) { in msm_dp_del_event()
264 todo->event_id = EV_NO_EVENT; /* deleted */ in msm_dp_del_event()
265 todo->delay = 0; in msm_dp_del_event()
270 spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag); in msm_dp_del_event()
281 reinit_completion(&dp->audio_comp); in msm_dp_display_signal_audio_start()
290 complete_all(&dp->audio_comp); in msm_dp_display_signal_audio_complete()
301 struct drm_device *drm = priv->dev; in msm_dp_display_bind()
303 dp->msm_dp_display.drm_dev = drm; in msm_dp_display_bind()
304 priv->kms->dp[dp->id] = &dp->msm_dp_display; in msm_dp_display_bind()
306 dp->drm_dev = drm; in msm_dp_display_bind()
307 dp->aux->drm_dev = drm; in msm_dp_display_bind()
308 rc = msm_dp_aux_register(dp->aux); in msm_dp_display_bind()
331 kthread_stop(dp->ev_tsk); in msm_dp_display_unbind()
333 of_dp_aux_depopulate_bus(dp->aux); in msm_dp_display_unbind()
335 msm_dp_aux_unregister(dp->aux); in msm_dp_display_unbind()
336 dp->drm_dev = NULL; in msm_dp_display_unbind()
337 dp->aux->drm_dev = NULL; in msm_dp_display_unbind()
338 priv->kms->dp[dp->id] = NULL; in msm_dp_display_unbind()
353 connector = dp->msm_dp_display.connector; in msm_dp_display_send_hpd_event()
354 drm_helper_hpd_irq_event(connector->dev); in msm_dp_display_send_hpd_event()
360 if ((hpd && dp->msm_dp_display.link_ready) || in msm_dp_display_send_hpd_notification()
361 (!hpd && !dp->msm_dp_display.link_ready)) { in msm_dp_display_send_hpd_notification()
362 drm_dbg_dp(dp->drm_dev, "HPD already %s\n", str_on_off(hpd)); in msm_dp_display_send_hpd_notification()
368 dp->panel->video_test = false; in msm_dp_display_send_hpd_notification()
369 if (!dp->msm_dp_display.is_edp) in msm_dp_display_send_hpd_notification()
370 drm_dp_set_subconnector_property(dp->msm_dp_display.connector, in msm_dp_display_send_hpd_notification()
372 dp->panel->dpcd, in msm_dp_display_send_hpd_notification()
373 dp->panel->downstream_ports); in msm_dp_display_send_hpd_notification()
376 dp->msm_dp_display.link_ready = hpd; in msm_dp_display_send_hpd_notification()
378 drm_dbg_dp(dp->drm_dev, "type=%d hpd=%d\n", in msm_dp_display_send_hpd_notification()
379 dp->msm_dp_display.connector_type, hpd); in msm_dp_display_send_hpd_notification()
380 msm_dp_display_send_hpd_event(&dp->msm_dp_display); in msm_dp_display_send_hpd_notification()
389 if (drm_dp_read_lttpr_common_caps(dp->aux, dpcd, dp->link->lttpr_common_caps)) in msm_dp_display_lttpr_init()
392 lttpr_count = drm_dp_lttpr_count(dp->link->lttpr_common_caps); in msm_dp_display_lttpr_init()
393 rc = drm_dp_lttpr_init(dp->aux, lttpr_count); in msm_dp_display_lttpr_init()
404 struct drm_connector *connector = dp->msm_dp_display.connector; in msm_dp_display_process_hpd_high()
405 const struct drm_display_info *info = &connector->display_info; in msm_dp_display_process_hpd_high()
409 rc = drm_dp_read_dpcd_caps(dp->aux, dpcd); in msm_dp_display_process_hpd_high()
413 dp->link->lttpr_count = msm_dp_display_lttpr_init(dp, dpcd); in msm_dp_display_process_hpd_high()
415 rc = msm_dp_panel_read_sink_caps(dp->panel, connector); in msm_dp_display_process_hpd_high()
419 msm_dp_link_process_request(dp->link); in msm_dp_display_process_hpd_high()
421 if (!dp->msm_dp_display.is_edp) in msm_dp_display_process_hpd_high()
424 dp->panel->dpcd, in msm_dp_display_process_hpd_high()
425 dp->panel->downstream_ports); in msm_dp_display_process_hpd_high()
427 dp->msm_dp_display.psr_supported = dp->panel->psr_cap.version && psr_enabled; in msm_dp_display_process_hpd_high()
429 dp->audio_supported = info->has_audio; in msm_dp_display_process_hpd_high()
430 msm_dp_panel_handle_sink_request(dp->panel); in msm_dp_display_process_hpd_high()
433 * set sink to normal operation mode -- D0 in msm_dp_display_process_hpd_high()
436 msm_dp_link_psm_config(dp->link, &dp->panel->link_info, false); in msm_dp_display_process_hpd_high()
438 msm_dp_link_reset_phy_params_vx_px(dp->link); in msm_dp_display_process_hpd_high()
439 rc = msm_dp_ctrl_on_link(dp->ctrl); in msm_dp_display_process_hpd_high()
453 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in msm_dp_display_host_phy_init()
454 dp->msm_dp_display.connector_type, dp->core_initialized, in msm_dp_display_host_phy_init()
455 dp->phy_initialized); in msm_dp_display_host_phy_init()
457 if (!dp->phy_initialized) { in msm_dp_display_host_phy_init()
458 msm_dp_ctrl_phy_init(dp->ctrl); in msm_dp_display_host_phy_init()
459 dp->phy_initialized = true; in msm_dp_display_host_phy_init()
465 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in msm_dp_display_host_phy_exit()
466 dp->msm_dp_display.connector_type, dp->core_initialized, in msm_dp_display_host_phy_exit()
467 dp->phy_initialized); in msm_dp_display_host_phy_exit()
469 if (dp->phy_initialized) { in msm_dp_display_host_phy_exit()
470 msm_dp_ctrl_phy_exit(dp->ctrl); in msm_dp_display_host_phy_exit()
471 dp->phy_initialized = false; in msm_dp_display_host_phy_exit()
477 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in msm_dp_display_host_init()
478 dp->msm_dp_display.connector_type, dp->core_initialized, in msm_dp_display_host_init()
479 dp->phy_initialized); in msm_dp_display_host_init()
481 msm_dp_ctrl_core_clk_enable(dp->ctrl); in msm_dp_display_host_init()
482 msm_dp_ctrl_reset(dp->ctrl); in msm_dp_display_host_init()
483 msm_dp_ctrl_enable_irq(dp->ctrl); in msm_dp_display_host_init()
484 msm_dp_aux_init(dp->aux); in msm_dp_display_host_init()
485 dp->core_initialized = true; in msm_dp_display_host_init()
490 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in msm_dp_display_host_deinit()
491 dp->msm_dp_display.connector_type, dp->core_initialized, in msm_dp_display_host_deinit()
492 dp->phy_initialized); in msm_dp_display_host_deinit()
494 msm_dp_ctrl_reset(dp->ctrl); in msm_dp_display_host_deinit()
495 msm_dp_ctrl_disable_irq(dp->ctrl); in msm_dp_display_host_deinit()
496 msm_dp_aux_deinit(dp->aux); in msm_dp_display_host_deinit()
497 msm_dp_ctrl_core_clk_disable(dp->ctrl); in msm_dp_display_host_deinit()
498 dp->core_initialized = false; in msm_dp_display_host_deinit()
521 if (dp->link->sink_request & DP_TEST_LINK_VIDEO_PATTERN) { in msm_dp_display_handle_video_request()
522 dp->panel->video_test = true; in msm_dp_display_handle_video_request()
523 msm_dp_link_send_test_response(dp->link); in msm_dp_display_handle_video_request()
531 if (drm_dp_is_branch(dp->panel->dpcd) && dp->link->sink_count == 0) { in msm_dp_display_handle_port_status_changed()
532 drm_dbg_dp(dp->drm_dev, "sink count is zero, nothing to do\n"); in msm_dp_display_handle_port_status_changed()
533 if (dp->hpd_state != ST_DISCONNECTED) { in msm_dp_display_handle_port_status_changed()
534 dp->hpd_state = ST_DISCONNECT_PENDING; in msm_dp_display_handle_port_status_changed()
538 if (dp->hpd_state == ST_DISCONNECTED) { in msm_dp_display_handle_port_status_changed()
539 dp->hpd_state = ST_MAINLINK_READY; in msm_dp_display_handle_port_status_changed()
542 dp->hpd_state = ST_DISCONNECTED; in msm_dp_display_handle_port_status_changed()
551 u32 sink_request = dp->link->sink_request; in msm_dp_display_handle_irq_hpd()
553 drm_dbg_dp(dp->drm_dev, "%d\n", sink_request); in msm_dp_display_handle_irq_hpd()
554 if (dp->hpd_state == ST_DISCONNECTED) { in msm_dp_display_handle_irq_hpd()
556 drm_dbg_dp(dp->drm_dev, "Disconnected sink_request: %d\n", in msm_dp_display_handle_irq_hpd()
559 return -EINVAL; in msm_dp_display_handle_irq_hpd()
563 msm_dp_ctrl_handle_sink_request(dp->ctrl); in msm_dp_display_handle_irq_hpd()
578 rc = msm_dp_link_process_request(dp->link); in msm_dp_display_usbpd_attention_cb()
580 sink_request = dp->link->sink_request; in msm_dp_display_usbpd_attention_cb()
581 drm_dbg_dp(dp->drm_dev, "hpd_state=%d sink_request=%d\n", in msm_dp_display_usbpd_attention_cb()
582 dp->hpd_state, sink_request); in msm_dp_display_usbpd_attention_cb()
596 struct platform_device *pdev = dp->msm_dp_display.pdev; in msm_dp_hpd_plug_handle()
598 msm_dp_aux_enable_xfers(dp->aux, true); in msm_dp_hpd_plug_handle()
600 mutex_lock(&dp->event_mutex); in msm_dp_hpd_plug_handle()
602 state = dp->hpd_state; in msm_dp_hpd_plug_handle()
603 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in msm_dp_hpd_plug_handle()
604 dp->msm_dp_display.connector_type, state); in msm_dp_hpd_plug_handle()
607 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_plug_handle()
612 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_plug_handle()
619 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_plug_handle()
623 ret = pm_runtime_resume_and_get(&pdev->dev); in msm_dp_hpd_plug_handle()
626 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_plug_handle()
630 ret = msm_dp_display_usbpd_configure_cb(&pdev->dev); in msm_dp_hpd_plug_handle()
632 dp->hpd_state = ST_DISCONNECTED; in msm_dp_hpd_plug_handle()
633 pm_runtime_put_sync(&pdev->dev); in msm_dp_hpd_plug_handle()
635 dp->hpd_state = ST_MAINLINK_READY; in msm_dp_hpd_plug_handle()
638 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in msm_dp_hpd_plug_handle()
639 dp->msm_dp_display.connector_type, state); in msm_dp_hpd_plug_handle()
640 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_plug_handle()
654 /* notify audio subsystem only if sink supports audio */ in msm_dp_display_handle_plugged_change()
655 if (dp->audio_supported) in msm_dp_display_handle_plugged_change()
656 drm_connector_hdmi_audio_plugged_notify(msm_dp_display->connector, in msm_dp_display_handle_plugged_change()
663 struct platform_device *pdev = dp->msm_dp_display.pdev; in msm_dp_hpd_unplug_handle()
665 msm_dp_aux_enable_xfers(dp->aux, false); in msm_dp_hpd_unplug_handle()
667 mutex_lock(&dp->event_mutex); in msm_dp_hpd_unplug_handle()
669 state = dp->hpd_state; in msm_dp_hpd_unplug_handle()
671 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in msm_dp_hpd_unplug_handle()
672 dp->msm_dp_display.connector_type, state); in msm_dp_hpd_unplug_handle()
679 if (dp->link->sink_count == 0) { in msm_dp_hpd_unplug_handle()
682 msm_dp_display_notify_disconnect(&dp->msm_dp_display.pdev->dev); in msm_dp_hpd_unplug_handle()
683 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_unplug_handle()
686 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_unplug_handle()
689 msm_dp_ctrl_off_link(dp->ctrl); in msm_dp_hpd_unplug_handle()
691 dp->hpd_state = ST_DISCONNECTED; in msm_dp_hpd_unplug_handle()
692 msm_dp_display_notify_disconnect(&dp->msm_dp_display.pdev->dev); in msm_dp_hpd_unplug_handle()
693 pm_runtime_put_sync(&pdev->dev); in msm_dp_hpd_unplug_handle()
694 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_unplug_handle()
702 msm_dp_display_notify_disconnect(&dp->msm_dp_display.pdev->dev); in msm_dp_hpd_unplug_handle()
705 dp->hpd_state = ST_DISCONNECTED; in msm_dp_hpd_unplug_handle()
707 dp->hpd_state = ST_DISCONNECT_PENDING; in msm_dp_hpd_unplug_handle()
711 msm_dp_display_handle_plugged_change(&dp->msm_dp_display, false); in msm_dp_hpd_unplug_handle()
713 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in msm_dp_hpd_unplug_handle()
714 dp->msm_dp_display.connector_type, state); in msm_dp_hpd_unplug_handle()
717 pm_runtime_put_sync(&pdev->dev); in msm_dp_hpd_unplug_handle()
718 mutex_unlock(&dp->event_mutex); in msm_dp_hpd_unplug_handle()
726 mutex_lock(&dp->event_mutex); in msm_dp_irq_hpd_handle()
729 state = dp->hpd_state; in msm_dp_irq_hpd_handle()
730 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in msm_dp_irq_hpd_handle()
731 dp->msm_dp_display.connector_type, state); in msm_dp_irq_hpd_handle()
734 mutex_unlock(&dp->event_mutex); in msm_dp_irq_hpd_handle()
741 mutex_unlock(&dp->event_mutex); in msm_dp_irq_hpd_handle()
745 msm_dp_display_usbpd_attention_cb(&dp->msm_dp_display.pdev->dev); in msm_dp_irq_hpd_handle()
747 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in msm_dp_irq_hpd_handle()
748 dp->msm_dp_display.connector_type, state); in msm_dp_irq_hpd_handle()
750 mutex_unlock(&dp->event_mutex); in msm_dp_irq_hpd_handle()
757 msm_dp_audio_put(dp->audio); in msm_dp_display_deinit_sub_modules()
758 msm_dp_panel_put(dp->panel); in msm_dp_display_deinit_sub_modules()
759 msm_dp_aux_put(dp->aux); in msm_dp_display_deinit_sub_modules()
765 struct device *dev = &dp->msm_dp_display.pdev->dev; in msm_dp_init_sub_modules()
773 dp->msm_dp_display.is_edp ? PHY_SUBMODE_EDP : PHY_SUBMODE_DP); in msm_dp_init_sub_modules()
779 dp->aux = msm_dp_aux_get(dev, phy, dp->msm_dp_display.is_edp, dp->aux_base); in msm_dp_init_sub_modules()
780 if (IS_ERR(dp->aux)) { in msm_dp_init_sub_modules()
781 rc = PTR_ERR(dp->aux); in msm_dp_init_sub_modules()
783 dp->aux = NULL; in msm_dp_init_sub_modules()
787 dp->link = msm_dp_link_get(dev, dp->aux); in msm_dp_init_sub_modules()
788 if (IS_ERR(dp->link)) { in msm_dp_init_sub_modules()
789 rc = PTR_ERR(dp->link); in msm_dp_init_sub_modules()
791 dp->link = NULL; in msm_dp_init_sub_modules()
795 dp->panel = msm_dp_panel_get(dev, dp->aux, dp->link, dp->link_base, dp->p0_base); in msm_dp_init_sub_modules()
796 if (IS_ERR(dp->panel)) { in msm_dp_init_sub_modules()
797 rc = PTR_ERR(dp->panel); in msm_dp_init_sub_modules()
799 dp->panel = NULL; in msm_dp_init_sub_modules()
803 dp->ctrl = msm_dp_ctrl_get(dev, dp->link, dp->panel, dp->aux, in msm_dp_init_sub_modules()
804 phy, dp->ahb_base, dp->link_base); in msm_dp_init_sub_modules()
805 if (IS_ERR(dp->ctrl)) { in msm_dp_init_sub_modules()
806 rc = PTR_ERR(dp->ctrl); in msm_dp_init_sub_modules()
808 dp->ctrl = NULL; in msm_dp_init_sub_modules()
812 dp->audio = msm_dp_audio_get(dp->msm_dp_display.pdev, dp->link_base); in msm_dp_init_sub_modules()
813 if (IS_ERR(dp->audio)) { in msm_dp_init_sub_modules()
814 rc = PTR_ERR(dp->audio); in msm_dp_init_sub_modules()
815 pr_err("failed to initialize audio, rc = %d\n", rc); in msm_dp_init_sub_modules()
816 dp->audio = NULL; in msm_dp_init_sub_modules()
823 msm_dp_panel_put(dp->panel); in msm_dp_init_sub_modules()
825 msm_dp_aux_put(dp->aux); in msm_dp_init_sub_modules()
837 drm_mode_copy(&dp->panel->msm_dp_mode.drm_mode, &mode->drm_mode); in msm_dp_display_set_mode()
838 dp->panel->msm_dp_mode.bpp = mode->bpp; in msm_dp_display_set_mode()
839 dp->panel->msm_dp_mode.out_fmt_is_yuv_420 = mode->out_fmt_is_yuv_420; in msm_dp_display_set_mode()
840 msm_dp_panel_init_panel_info(dp->panel); in msm_dp_display_set_mode()
847 struct msm_dp *msm_dp_display = &dp->msm_dp_display; in msm_dp_display_enable()
849 drm_dbg_dp(dp->drm_dev, "sink_count=%d\n", dp->link->sink_count); in msm_dp_display_enable()
850 if (msm_dp_display->power_on) { in msm_dp_display_enable()
851 drm_dbg_dp(dp->drm_dev, "Link already setup, return\n"); in msm_dp_display_enable()
855 rc = msm_dp_ctrl_on_stream(dp->ctrl, force_link_train); in msm_dp_display_enable()
857 msm_dp_display->power_on = true; in msm_dp_display_enable()
869 rate = dp->link->link_params.rate; in msm_dp_display_post_enable()
871 if (dp->audio_supported) { in msm_dp_display_post_enable()
872 dp->audio->bw_code = drm_dp_link_rate_to_bw_code(rate); in msm_dp_display_post_enable()
873 dp->audio->lane_count = dp->link->link_params.num_lanes; in msm_dp_display_post_enable()
879 if (msm_dp_display->psr_supported) in msm_dp_display_post_enable()
880 msm_dp_ctrl_config_psr(dp->ctrl); in msm_dp_display_post_enable()
887 struct msm_dp *msm_dp_display = &dp->msm_dp_display; in msm_dp_display_disable()
889 if (!msm_dp_display->power_on) in msm_dp_display_disable()
892 /* wait only if audio was enabled */ in msm_dp_display_disable()
893 if (msm_dp_display->audio_enabled) { in msm_dp_display_disable()
896 if (!wait_for_completion_timeout(&dp->audio_comp, in msm_dp_display_disable()
898 DRM_ERROR("audio comp timeout\n"); in msm_dp_display_disable()
901 msm_dp_display->audio_enabled = false; in msm_dp_display_disable()
903 if (dp->link->sink_count == 0) { in msm_dp_display_disable()
908 msm_dp_ctrl_off_link_stream(dp->ctrl); in msm_dp_display_disable()
914 msm_dp_ctrl_off(dp->ctrl); in msm_dp_display_disable()
918 msm_dp_display->power_on = false; in msm_dp_display_disable()
920 drm_dbg_dp(dp->drm_dev, "sink count: %d\n", dp->link->sink_count); in msm_dp_display_disable()
925 * msm_dp_bridge_mode_valid - callback to determine if specified mode is valid
926 * @bridge: Pointer to drm bridge structure
931 enum drm_mode_status msm_dp_bridge_mode_valid(struct drm_bridge *bridge, in msm_dp_bridge_mode_valid() argument
940 int mode_pclk_khz = mode->clock; in msm_dp_bridge_mode_valid()
942 dp = to_dp_bridge(bridge)->msm_dp_display; in msm_dp_bridge_mode_valid()
944 if (!dp || !mode_pclk_khz || !dp->connector) { in msm_dp_bridge_mode_valid()
946 return -EINVAL; in msm_dp_bridge_mode_valid()
950 link_info = &msm_dp_display->panel->link_info; in msm_dp_bridge_mode_valid()
952 if ((drm_mode_is_420_only(&dp->connector->display_info, mode) && in msm_dp_bridge_mode_valid()
953 msm_dp_display->panel->vsc_sdp_supported) || in msm_dp_bridge_mode_valid()
960 mode_bpp = dp->connector->display_info.bpc * num_components; in msm_dp_bridge_mode_valid()
964 mode_bpp = msm_dp_panel_get_mode_bpp(msm_dp_display->panel, in msm_dp_bridge_mode_valid()
968 supported_rate_khz = link_info->num_lanes * link_info->rate * 8; in msm_dp_bridge_mode_valid()
987 return msm_dp_panel_get_modes(msm_dp_display->panel, in msm_dp_display_get_modes()
988 dp->connector); in msm_dp_display_get_modes()
997 return msm_dp_display->panel->video_test; in msm_dp_display_check_video_test()
1012 msm_dp_display->link->test_video.test_bit_depth); in msm_dp_display_get_test_bpp()
1028 mutex_lock(&msm_dp_display->event_mutex); in msm_dp_snapshot()
1030 if (!dp->power_on) { in msm_dp_snapshot()
1031 mutex_unlock(&msm_dp_display->event_mutex); in msm_dp_snapshot()
1035 msm_disp_snapshot_add_block(disp_state, msm_dp_display->ahb_len, in msm_dp_snapshot()
1036 msm_dp_display->ahb_base, "dp_ahb"); in msm_dp_snapshot()
1037 msm_disp_snapshot_add_block(disp_state, msm_dp_display->aux_len, in msm_dp_snapshot()
1038 msm_dp_display->aux_base, "dp_aux"); in msm_dp_snapshot()
1039 msm_disp_snapshot_add_block(disp_state, msm_dp_display->link_len, in msm_dp_snapshot()
1040 msm_dp_display->link_base, "dp_link"); in msm_dp_snapshot()
1041 msm_disp_snapshot_add_block(disp_state, msm_dp_display->p0_len, in msm_dp_snapshot()
1042 msm_dp_display->p0_base, "dp_p0"); in msm_dp_snapshot()
1044 mutex_unlock(&msm_dp_display->event_mutex); in msm_dp_snapshot()
1057 msm_dp_ctrl_set_psr(dp->ctrl, enter); in msm_dp_display_set_psr()
1071 wait_event_timeout(msm_dp_priv->event_q, in hpd_event_thread()
1072 (msm_dp_priv->event_pndx == msm_dp_priv->event_gndx) || in hpd_event_thread()
1075 wait_event_interruptible(msm_dp_priv->event_q, in hpd_event_thread()
1076 (msm_dp_priv->event_pndx != msm_dp_priv->event_gndx) || in hpd_event_thread()
1083 spin_lock_irqsave(&msm_dp_priv->event_lock, flag); in hpd_event_thread()
1084 todo = &msm_dp_priv->event_list[msm_dp_priv->event_gndx]; in hpd_event_thread()
1085 if (todo->delay) { in hpd_event_thread()
1088 msm_dp_priv->event_gndx++; in hpd_event_thread()
1089 msm_dp_priv->event_gndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1092 todo_next = &msm_dp_priv->event_list[msm_dp_priv->event_pndx++]; in hpd_event_thread()
1093 msm_dp_priv->event_pndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1094 todo_next->event_id = todo->event_id; in hpd_event_thread()
1095 todo_next->data = todo->data; in hpd_event_thread()
1096 todo_next->delay = todo->delay - 1; in hpd_event_thread()
1099 todo->event_id = EV_NO_EVENT; in hpd_event_thread()
1100 todo->delay = 0; in hpd_event_thread()
1104 spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag); in hpd_event_thread()
1109 if (msm_dp_priv->event_pndx == msm_dp_priv->event_gndx) { in hpd_event_thread()
1110 spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag); in hpd_event_thread()
1114 msm_dp_priv->event_gndx++; in hpd_event_thread()
1115 msm_dp_priv->event_gndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1117 spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag); in hpd_event_thread()
1119 switch (todo->event_id) { in hpd_event_thread()
1121 msm_dp_hpd_plug_handle(msm_dp_priv, todo->data); in hpd_event_thread()
1124 msm_dp_hpd_unplug_handle(msm_dp_priv, todo->data); in hpd_event_thread()
1127 msm_dp_irq_hpd_handle(msm_dp_priv, todo->data); in hpd_event_thread()
1131 todo->data); in hpd_event_thread()
1144 msm_dp_priv->event_gndx = 0; in msm_dp_hpd_event_thread_start()
1145 msm_dp_priv->event_pndx = 0; in msm_dp_hpd_event_thread_start()
1147 msm_dp_priv->ev_tsk = kthread_run(hpd_event_thread, msm_dp_priv, "dp_hpd_handler"); in msm_dp_hpd_event_thread_start()
1148 if (IS_ERR(msm_dp_priv->ev_tsk)) in msm_dp_hpd_event_thread_start()
1149 return PTR_ERR(msm_dp_priv->ev_tsk); in msm_dp_hpd_event_thread_start()
1165 hpd_isr_status = msm_dp_aux_get_hpd_intr_status(dp->aux); in msm_dp_display_irq_handler()
1168 drm_dbg_dp(dp->drm_dev, "type=%d isr=0x%x\n", in msm_dp_display_irq_handler()
1169 dp->msm_dp_display.connector_type, hpd_isr_status); in msm_dp_display_irq_handler()
1190 ret |= msm_dp_ctrl_isr(dp->ctrl); in msm_dp_display_irq_handler()
1198 struct platform_device *pdev = dp->msm_dp_display.pdev; in msm_dp_display_request_irq()
1200 dp->irq = platform_get_irq(pdev, 0); in msm_dp_display_request_irq()
1201 if (dp->irq < 0) { in msm_dp_display_request_irq()
1203 return dp->irq; in msm_dp_display_request_irq()
1206 rc = devm_request_irq(&pdev->dev, dp->irq, msm_dp_display_irq_handler, in msm_dp_display_request_irq()
1212 dp->irq, rc); in msm_dp_display_request_irq()
1221 const struct msm_dp_desc *descs = of_device_get_match_data(&pdev->dev); in msm_dp_display_get_desc()
1230 if (descs[i].io_start == res->start) in msm_dp_display_get_desc()
1234 dev_err(&pdev->dev, "unknown displayport instance\n"); in msm_dp_display_get_desc()
1245 * provide at least an eDP panel (which gets wrapped into panel-bridge). in msm_dp_display_probe_tail()
1248 * silently ignore an error if one is not present (-ENODEV). in msm_dp_display_probe_tail()
1250 dp->next_bridge = devm_drm_of_get_bridge(&dp->pdev->dev, dp->pdev->dev.of_node, 1, 0); in msm_dp_display_probe_tail()
1251 if (IS_ERR(dp->next_bridge)) { in msm_dp_display_probe_tail()
1252 ret = PTR_ERR(dp->next_bridge); in msm_dp_display_probe_tail()
1253 dp->next_bridge = NULL; in msm_dp_display_probe_tail()
1254 if (dp->is_edp || ret != -ENODEV) in msm_dp_display_probe_tail()
1267 return msm_dp_display_probe_tail(aux->dev); in msm_dp_auxbus_done_probe()
1273 struct device_node *node = pdev->dev.of_node; in msm_dp_display_get_connector_type()
1274 struct device_node *aux_bus = of_get_child_by_name(node, "aux-bus"); in msm_dp_display_get_connector_type()
1312 struct platform_device *pdev = display->msm_dp_display.pdev; in msm_dp_display_get_io()
1314 display->ahb_base = msm_dp_ioremap(pdev, 0, &display->ahb_len); in msm_dp_display_get_io()
1315 if (IS_ERR(display->ahb_base)) in msm_dp_display_get_io()
1316 return PTR_ERR(display->ahb_base); in msm_dp_display_get_io()
1318 display->aux_base = msm_dp_ioremap(pdev, 1, &display->aux_len); in msm_dp_display_get_io()
1319 if (IS_ERR(display->aux_base)) { in msm_dp_display_get_io()
1320 if (display->aux_base != ERR_PTR(-EINVAL)) { in msm_dp_display_get_io()
1321 DRM_ERROR("unable to remap aux region: %pe\n", display->aux_base); in msm_dp_display_get_io()
1322 return PTR_ERR(display->aux_base); in msm_dp_display_get_io()
1327 * support variation in the sub-region sizes this was split. in msm_dp_display_get_io()
1328 * msm_dp_ioremap() will fail with -EINVAL here if only a single in msm_dp_display_get_io()
1329 * reg is specified, so fill in the sub-region offsets and in msm_dp_display_get_io()
1332 if (display->ahb_len < DP_DEFAULT_P0_OFFSET + DP_DEFAULT_P0_SIZE) { in msm_dp_display_get_io()
1334 return -EINVAL; in msm_dp_display_get_io()
1337 display->ahb_len = DP_DEFAULT_AHB_SIZE; in msm_dp_display_get_io()
1338 display->aux_base = display->ahb_base + DP_DEFAULT_AUX_OFFSET; in msm_dp_display_get_io()
1339 display->aux_len = DP_DEFAULT_AUX_SIZE; in msm_dp_display_get_io()
1340 display->link_base = display->ahb_base + DP_DEFAULT_LINK_OFFSET; in msm_dp_display_get_io()
1341 display->link_len = DP_DEFAULT_LINK_SIZE; in msm_dp_display_get_io()
1342 display->p0_base = display->ahb_base + DP_DEFAULT_P0_OFFSET; in msm_dp_display_get_io()
1343 display->p0_len = DP_DEFAULT_P0_SIZE; in msm_dp_display_get_io()
1348 display->link_base = msm_dp_ioremap(pdev, 2, &display->link_len); in msm_dp_display_get_io()
1349 if (IS_ERR(display->link_base)) { in msm_dp_display_get_io()
1350 DRM_ERROR("unable to remap link region: %pe\n", display->link_base); in msm_dp_display_get_io()
1351 return PTR_ERR(display->link_base); in msm_dp_display_get_io()
1354 display->p0_base = msm_dp_ioremap(pdev, 3, &display->p0_len); in msm_dp_display_get_io()
1355 if (IS_ERR(display->p0_base)) { in msm_dp_display_get_io()
1356 DRM_ERROR("unable to remap p0 region: %pe\n", display->p0_base); in msm_dp_display_get_io()
1357 return PTR_ERR(display->p0_base); in msm_dp_display_get_io()
1369 if (!pdev || !pdev->dev.of_node) { in msm_dp_display_probe()
1371 return -ENODEV; in msm_dp_display_probe()
1374 dp = devm_kzalloc(&pdev->dev, sizeof(*dp), GFP_KERNEL); in msm_dp_display_probe()
1376 return -ENOMEM; in msm_dp_display_probe()
1380 return -EINVAL; in msm_dp_display_probe()
1382 dp->msm_dp_display.pdev = pdev; in msm_dp_display_probe()
1383 dp->id = desc->id; in msm_dp_display_probe()
1384 dp->msm_dp_display.connector_type = msm_dp_display_get_connector_type(pdev, desc); in msm_dp_display_probe()
1385 dp->wide_bus_supported = desc->wide_bus_supported; in msm_dp_display_probe()
1386 dp->msm_dp_display.is_edp = in msm_dp_display_probe()
1387 (dp->msm_dp_display.connector_type == DRM_MODE_CONNECTOR_eDP); in msm_dp_display_probe()
1396 return -EPROBE_DEFER; in msm_dp_display_probe()
1400 mutex_init(&dp->event_mutex); in msm_dp_display_probe()
1401 init_waitqueue_head(&dp->event_q); in msm_dp_display_probe()
1402 spin_lock_init(&dp->event_lock); in msm_dp_display_probe()
1404 /* Store DP audio handle inside DP display */ in msm_dp_display_probe()
1405 dp->msm_dp_display.msm_dp_audio = dp->audio; in msm_dp_display_probe()
1407 init_completion(&dp->audio_comp); in msm_dp_display_probe()
1409 platform_set_drvdata(pdev, &dp->msm_dp_display); in msm_dp_display_probe()
1411 rc = devm_pm_runtime_enable(&pdev->dev); in msm_dp_display_probe()
1419 if (dp->msm_dp_display.is_edp) { in msm_dp_display_probe()
1420 rc = devm_of_dp_aux_populate_bus(dp->aux, msm_dp_auxbus_done_probe); in msm_dp_display_probe()
1426 rc = msm_dp_display_probe_tail(&pdev->dev); in msm_dp_display_probe()
1440 struct msm_dp_display_private *dp = dev_get_dp_display_private(&pdev->dev); in msm_dp_display_remove()
1442 component_del(&pdev->dev, &msm_dp_display_comp_ops); in msm_dp_display_remove()
1451 disable_irq(dp->irq); in msm_dp_pm_runtime_suspend()
1453 if (dp->msm_dp_display.is_edp) { in msm_dp_pm_runtime_suspend()
1455 msm_dp_aux_hpd_disable(dp->aux); in msm_dp_pm_runtime_suspend()
1475 if (dp->msm_dp_display.is_edp) { in msm_dp_pm_runtime_resume()
1476 msm_dp_aux_hpd_enable(dp->aux); in msm_dp_pm_runtime_resume()
1480 enable_irq(dp->irq); in msm_dp_pm_runtime_resume()
1494 .name = "msm-dp-display",
1524 info = &msm_dp_display->connector->display_info; in msm_dp_is_yuv_420_enabled()
1526 return dp->panel->vsc_sdp_supported && drm_mode_is_420_only(info, mode); in msm_dp_is_yuv_420_enabled()
1541 if (dp->msm_dp_mode.out_fmt_is_yuv_420) in msm_dp_wide_bus_available()
1544 return dp->wide_bus_supported; in msm_dp_wide_bus_available()
1554 dev = &dp->msm_dp_display.pdev->dev; in msm_dp_display_debugfs_init()
1556 rc = msm_dp_debug_init(dev, dp->panel, dp->link, dp->msm_dp_display.connector, root, is_edp); in msm_dp_display_debugfs_init()
1567 msm_dp_display->drm_dev = dev; in msm_dp_modeset_init()
1573 DRM_DEV_ERROR(dev->dev, in msm_dp_modeset_init()
1574 "failed to create dp bridge: %d\n", ret); in msm_dp_modeset_init()
1578 msm_dp_display->connector = msm_dp_drm_connector_init(msm_dp_display, encoder); in msm_dp_modeset_init()
1579 if (IS_ERR(msm_dp_display->connector)) { in msm_dp_modeset_init()
1580 ret = PTR_ERR(msm_dp_display->connector); in msm_dp_modeset_init()
1581 DRM_DEV_ERROR(dev->dev, in msm_dp_modeset_init()
1583 msm_dp_display->connector = NULL; in msm_dp_modeset_init()
1587 msm_dp_priv->panel->connector = msm_dp_display->connector; in msm_dp_modeset_init()
1596 struct msm_dp *dp = msm_dp_bridge->msm_dp_display; in msm_dp_bridge_atomic_enable()
1603 if (!msm_dp_display->msm_dp_mode.drm_mode.clock) { in msm_dp_bridge_atomic_enable()
1608 if (dp->is_edp) in msm_dp_bridge_atomic_enable()
1611 mutex_lock(&msm_dp_display->event_mutex); in msm_dp_bridge_atomic_enable()
1612 if (pm_runtime_resume_and_get(&dp->pdev->dev)) { in msm_dp_bridge_atomic_enable()
1614 mutex_unlock(&msm_dp_display->event_mutex); in msm_dp_bridge_atomic_enable()
1618 hpd_state = msm_dp_display->hpd_state; in msm_dp_bridge_atomic_enable()
1620 mutex_unlock(&msm_dp_display->event_mutex); in msm_dp_bridge_atomic_enable()
1624 rc = msm_dp_display_set_mode(dp, &msm_dp_display->msm_dp_mode); in msm_dp_bridge_atomic_enable()
1627 mutex_unlock(&msm_dp_display->event_mutex); in msm_dp_bridge_atomic_enable()
1631 hpd_state = msm_dp_display->hpd_state; in msm_dp_bridge_atomic_enable()
1647 msm_dp_display->hpd_state = ST_CONNECTED; in msm_dp_bridge_atomic_enable()
1649 drm_dbg_dp(dp->drm_dev, "type=%d Done\n", dp->connector_type); in msm_dp_bridge_atomic_enable()
1650 mutex_unlock(&msm_dp_display->event_mutex); in msm_dp_bridge_atomic_enable()
1657 struct msm_dp *dp = msm_dp_bridge->msm_dp_display; in msm_dp_bridge_atomic_disable()
1662 msm_dp_ctrl_push_idle(msm_dp_display->ctrl); in msm_dp_bridge_atomic_disable()
1669 struct msm_dp *dp = msm_dp_bridge->msm_dp_display; in msm_dp_bridge_atomic_post_disable()
1675 if (dp->is_edp) in msm_dp_bridge_atomic_post_disable()
1678 mutex_lock(&msm_dp_display->event_mutex); in msm_dp_bridge_atomic_post_disable()
1680 hpd_state = msm_dp_display->hpd_state; in msm_dp_bridge_atomic_post_disable()
1682 drm_dbg_dp(dp->drm_dev, "type=%d wrong hpd_state=%d\n", in msm_dp_bridge_atomic_post_disable()
1683 dp->connector_type, hpd_state); in msm_dp_bridge_atomic_post_disable()
1687 hpd_state = msm_dp_display->hpd_state; in msm_dp_bridge_atomic_post_disable()
1690 msm_dp_display->hpd_state = ST_DISCONNECTED; in msm_dp_bridge_atomic_post_disable()
1692 msm_dp_display->hpd_state = ST_DISPLAY_OFF; in msm_dp_bridge_atomic_post_disable()
1695 drm_dbg_dp(dp->drm_dev, "type=%d Done\n", dp->connector_type); in msm_dp_bridge_atomic_post_disable()
1697 pm_runtime_put_sync(&dp->pdev->dev); in msm_dp_bridge_atomic_post_disable()
1698 mutex_unlock(&msm_dp_display->event_mutex); in msm_dp_bridge_atomic_post_disable()
1706 struct msm_dp *dp = msm_dp_bridge->msm_dp_display; in msm_dp_bridge_mode_set()
1711 msm_dp_panel = msm_dp_display->panel; in msm_dp_bridge_mode_set()
1713 memset(&msm_dp_display->msm_dp_mode, 0x0, sizeof(struct msm_dp_display_mode)); in msm_dp_bridge_mode_set()
1716 msm_dp_display->msm_dp_mode.bpp = msm_dp_display_get_test_bpp(dp); in msm_dp_bridge_mode_set()
1718 msm_dp_display->msm_dp_mode.bpp = dp->connector->display_info.bpc * 3; in msm_dp_bridge_mode_set()
1720 if (!msm_dp_display->msm_dp_mode.bpp) in msm_dp_bridge_mode_set()
1721 msm_dp_display->msm_dp_mode.bpp = 24; /* Default bpp */ in msm_dp_bridge_mode_set()
1723 drm_mode_copy(&msm_dp_display->msm_dp_mode.drm_mode, adjusted_mode); in msm_dp_bridge_mode_set()
1725 msm_dp_display->msm_dp_mode.v_active_low = in msm_dp_bridge_mode_set()
1726 !!(msm_dp_display->msm_dp_mode.drm_mode.flags & DRM_MODE_FLAG_NVSYNC); in msm_dp_bridge_mode_set()
1728 msm_dp_display->msm_dp_mode.h_active_low = in msm_dp_bridge_mode_set()
1729 !!(msm_dp_display->msm_dp_mode.drm_mode.flags & DRM_MODE_FLAG_NHSYNC); in msm_dp_bridge_mode_set()
1731 msm_dp_display->msm_dp_mode.out_fmt_is_yuv_420 = in msm_dp_bridge_mode_set()
1732 drm_mode_is_420_only(&dp->connector->display_info, adjusted_mode) && in msm_dp_bridge_mode_set()
1733 msm_dp_panel->vsc_sdp_supported; in msm_dp_bridge_mode_set()
1736 msm_dp_display->ctrl->wide_bus_en = in msm_dp_bridge_mode_set()
1737 msm_dp_display->msm_dp_mode.out_fmt_is_yuv_420 ? false : msm_dp_display->wide_bus_supported; in msm_dp_bridge_mode_set()
1740 void msm_dp_bridge_hpd_enable(struct drm_bridge *bridge) in msm_dp_bridge_hpd_enable() argument
1742 struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(bridge); in msm_dp_bridge_hpd_enable()
1743 struct msm_dp *msm_dp_display = msm_dp_bridge->msm_dp_display; in msm_dp_bridge_hpd_enable()
1748 * step-1: msm_dp_pm_runtime_resume() enable dp host only in msm_dp_bridge_hpd_enable()
1749 * step-2: enable hdp block and have hpd irq enabled here in msm_dp_bridge_hpd_enable()
1750 * step-3: waiting for plugin irq while phy is not initialized in msm_dp_bridge_hpd_enable()
1751 * step-4: DP PHY is initialized at plugin handler before link training in msm_dp_bridge_hpd_enable()
1754 mutex_lock(&dp->event_mutex); in msm_dp_bridge_hpd_enable()
1755 if (pm_runtime_resume_and_get(&msm_dp_display->pdev->dev)) { in msm_dp_bridge_hpd_enable()
1757 mutex_unlock(&dp->event_mutex); in msm_dp_bridge_hpd_enable()
1761 msm_dp_aux_hpd_enable(dp->aux); in msm_dp_bridge_hpd_enable()
1762 msm_dp_aux_hpd_intr_enable(dp->aux); in msm_dp_bridge_hpd_enable()
1764 msm_dp_display->internal_hpd = true; in msm_dp_bridge_hpd_enable()
1765 mutex_unlock(&dp->event_mutex); in msm_dp_bridge_hpd_enable()
1768 void msm_dp_bridge_hpd_disable(struct drm_bridge *bridge) in msm_dp_bridge_hpd_disable() argument
1770 struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(bridge); in msm_dp_bridge_hpd_disable()
1771 struct msm_dp *msm_dp_display = msm_dp_bridge->msm_dp_display; in msm_dp_bridge_hpd_disable()
1774 mutex_lock(&dp->event_mutex); in msm_dp_bridge_hpd_disable()
1776 msm_dp_aux_hpd_intr_disable(dp->aux); in msm_dp_bridge_hpd_disable()
1777 msm_dp_aux_hpd_disable(dp->aux); in msm_dp_bridge_hpd_disable()
1779 msm_dp_display->internal_hpd = false; in msm_dp_bridge_hpd_disable()
1781 pm_runtime_put_sync(&msm_dp_display->pdev->dev); in msm_dp_bridge_hpd_disable()
1782 mutex_unlock(&dp->event_mutex); in msm_dp_bridge_hpd_disable()
1785 void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge, in msm_dp_bridge_hpd_notify() argument
1788 struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(bridge); in msm_dp_bridge_hpd_notify()
1789 struct msm_dp *msm_dp_display = msm_dp_bridge->msm_dp_display; in msm_dp_bridge_hpd_notify()
1793 if (msm_dp_display->internal_hpd) in msm_dp_bridge_hpd_notify()
1796 if (!msm_dp_display->link_ready && status == connector_status_connected) in msm_dp_bridge_hpd_notify()
1798 else if (msm_dp_display->link_ready && status == connector_status_disconnected) in msm_dp_bridge_hpd_notify()