1 // SPDX-License-Identifier: GPL-2.0-only
4  * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com/
27 #include <sound/omap-hdmi-audio.h>
42 	r = pm_runtime_resume_and_get(&hdmi.pdev->dev);  in hdmi_runtime_get()
55 	r = pm_runtime_put_sync(&hdmi.pdev->dev);  in hdmi_runtime_put()
56 	WARN_ON(r < 0 && r != -ENOSYS);  in hdmi_runtime_put()
97 	reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");  in hdmi_init_regulator()
100 		if (PTR_ERR(reg) != -EPROBE_DEFER)  in hdmi_init_regulator()
161 	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);  in hdmi_power_on_full()
163 	hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);  in hdmi_power_on_full()
165 	r = dss_pll_enable(&hdmi.pll.pll);  in hdmi_power_on_full()
167 		DSSERR("Failed to enable PLL\n");  in hdmi_power_on_full()
171 	r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);  in hdmi_power_on_full()
173 		DSSERR("Failed to configure PLL\n");  in hdmi_power_on_full()
216 	dss_pll_disable(&hdmi.pll.pll);  in hdmi_power_on_full()
219 	return -EIO;  in hdmi_power_on_full()
234 	dss_pll_disable(&hdmi.pll.pll);  in hdmi_power_off_full()
242 	struct omap_dss_device *out = &hdmi.output;  in hdmi_display_check_timing()  local
244 	if (!dispc_mgr_timings_ok(out->dispc_channel, timings))  in hdmi_display_check_timing()
245 		return -EINVAL;  in hdmi_display_check_timing()
257 	dispc_set_tv_pclk(timings->pixelclock);  in hdmi_display_set_timing()
278 	hdmi_pll_dump(&hdmi.pll, s);  in hdmi_dump_regs()
305 	hdmi_wp_audio_enable(&hd->wp, true);  in hdmi_start_audio_stream()
306 	hdmi4_audio_start(&hd->core, &hd->wp);  in hdmi_start_audio_stream()
311 	hdmi4_audio_stop(&hd->core, &hd->wp);  in hdmi_stop_audio_stream()
312 	hdmi_wp_audio_enable(&hd->wp, false);  in hdmi_stop_audio_stream()
317 	struct omap_dss_device *out = &hdmi.output;  in hdmi_display_enable()  local
325 	if (out->manager == NULL) {  in hdmi_display_enable()
327 		r = -ENODEV;  in hdmi_display_enable()
342 			hdmi.audio_abort_cb(&hdmi.pdev->dev);  in hdmi_display_enable()
422 	mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);  in hdmi_connect()
424 		return -ENODEV;  in hdmi_connect()
433 				dst->name);  in hdmi_connect()
444 	WARN_ON(dst != dssdev->dst);  in hdmi_disconnect()
446 	if (dst != dssdev->dst)  in hdmi_disconnect()
451 	if (dssdev->manager)  in hdmi_disconnect()
452 		dss_mgr_disconnect(dssdev->manager, dssdev);  in hdmi_disconnect()
507 	struct omap_dss_device *out = &hdmi.output;  in hdmi_init_output()  local
509 	out->dev = &pdev->dev;  in hdmi_init_output()
510 	out->id = OMAP_DSS_OUTPUT_HDMI;  in hdmi_init_output()
511 	out->output_type = OMAP_DISPLAY_TYPE_HDMI;  in hdmi_init_output()
512 	out->name = "hdmi.0";  in hdmi_init_output()
513 	out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;  in hdmi_init_output()
514 	out->ops.hdmi = &hdmi_ops;  in hdmi_init_output()
515 	out->owner = THIS_MODULE;  in hdmi_init_output()
517 	omapdss_register_output(out);  in hdmi_init_output()
522 	struct omap_dss_device *out = &hdmi.output;  in hdmi_uninit_output()  local
524 	omapdss_unregister_output(out);  in hdmi_uninit_output()
529 	struct device_node *node = pdev->dev.of_node;  in hdmi_probe_of()
533 	ep = of_graph_get_endpoint_by_regs(node, 0, -1);  in hdmi_probe_of()
556 	mutex_lock(&hd->lock);  in hdmi_audio_startup()
558 	if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {  in hdmi_audio_startup()
559 		ret = -EPERM;  in hdmi_audio_startup()
560 		goto out;  in hdmi_audio_startup()
563 	hd->audio_abort_cb = abort_cb;  in hdmi_audio_startup()
565 out:  in hdmi_audio_startup()
566 	mutex_unlock(&hd->lock);  in hdmi_audio_startup()
575 	mutex_lock(&hd->lock);  in hdmi_audio_shutdown()
576 	hd->audio_abort_cb = NULL;  in hdmi_audio_shutdown()
577 	hd->audio_configured = false;  in hdmi_audio_shutdown()
578 	hd->audio_playing = false;  in hdmi_audio_shutdown()
579 	mutex_unlock(&hd->lock);  in hdmi_audio_shutdown()
589 	WARN_ON(!hdmi_mode_has_audio(&hd->cfg));  in hdmi_audio_start()
591 	spin_lock_irqsave(&hd->audio_playing_lock, flags);  in hdmi_audio_start()
593 	if (hd->display_enabled)  in hdmi_audio_start()
595 	hd->audio_playing = true;  in hdmi_audio_start()
597 	spin_unlock_irqrestore(&hd->audio_playing_lock, flags);  in hdmi_audio_start()
606 	WARN_ON(!hdmi_mode_has_audio(&hd->cfg));  in hdmi_audio_stop()
608 	spin_lock_irqsave(&hd->audio_playing_lock, flags);  in hdmi_audio_stop()
610 	if (hd->display_enabled)  in hdmi_audio_stop()
612 	hd->audio_playing = false;  in hdmi_audio_stop()
614 	spin_unlock_irqrestore(&hd->audio_playing_lock, flags);  in hdmi_audio_stop()
623 	mutex_lock(&hd->lock);  in hdmi_audio_config()
625 	if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {  in hdmi_audio_config()
626 		ret = -EPERM;  in hdmi_audio_config()
627 		goto out;  in hdmi_audio_config()
630 	ret = hdmi4_audio_config(&hd->core, &hd->wp, dss_audio,  in hdmi_audio_config()
631 				 hd->cfg.timings.pixelclock);  in hdmi_audio_config()
633 		hd->audio_configured = true;  in hdmi_audio_config()
634 		hd->audio_config = *dss_audio;  in hdmi_audio_config()
636 out:  in hdmi_audio_config()
637 	mutex_unlock(&hd->lock);  in hdmi_audio_config()
660 		dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,  in hdmi_audio_register()
679 	if (pdev->dev.of_node) {  in hdmi4_bind()
689 	r = hdmi_pll_init(pdev, &hdmi.pll, &hdmi.wp);  in hdmi4_bind()
704 		r = -ENODEV;  in hdmi4_bind()
708 	r = devm_request_threaded_irq(&pdev->dev, irq,  in hdmi4_bind()
716 	pm_runtime_enable(&pdev->dev);  in hdmi4_bind()
720 	r = hdmi_audio_register(&pdev->dev);  in hdmi4_bind()
724 		pm_runtime_disable(&pdev->dev);  in hdmi4_bind()
732 	hdmi_pll_uninit(&hdmi.pll);  in hdmi4_bind()
745 	hdmi_pll_uninit(&hdmi.pll);  in hdmi4_unbind()
747 	pm_runtime_disable(&pdev->dev);  in hdmi4_unbind()
757 	return component_add(&pdev->dev, &hdmi4_component_ops);  in hdmi4_probe()
762 	component_del(&pdev->dev, &hdmi4_component_ops);  in hdmi4_remove()
789 	{ .compatible = "ti,omap4-hdmi", },