3  * HDMI interface DSS driver for TI's OMAP4 family of SoCs.
9 #define DSS_SUBSYS_NAME "HDMI"
27 #include <sound/omap-hdmi-audio.h>
32 #include "hdmi.h"
34 static struct omap_hdmi hdmi;  variable
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()
94 	if (hdmi.vdda_reg != NULL)  in hdmi_init_regulator()
97 	reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");  in hdmi_init_regulator()
105 	hdmi.vdda_reg = reg;  in hdmi_init_regulator()
114 	r = regulator_enable(hdmi.vdda_reg);  in hdmi_power_on_core()
122 	/* Make selection of HDMI in DSS */  in hdmi_power_on_core()
125 	hdmi.core_enabled = true;  in hdmi_power_on_core()
130 	regulator_disable(hdmi.vdda_reg);  in hdmi_power_on_core()
137 	hdmi.core_enabled = false;  in hdmi_power_off_core()
140 	regulator_disable(hdmi.vdda_reg);  in hdmi_power_off_core()
147 	struct omap_overlay_manager *mgr = hdmi.output.manager;  in hdmi_power_on_full()
148 	struct hdmi_wp_data *wp = &hdmi.wp;  in hdmi_power_on_full()
159 	p = &hdmi.cfg.timings;  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()
171 	r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);  in hdmi_power_on_full()
177 	r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,  in hdmi_power_on_full()
188 	hdmi4_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);  in hdmi_power_on_full()
196 	r = hdmi_wp_video_start(&hdmi.wp);  in hdmi_power_on_full()
210 	hdmi_wp_video_stop(&hdmi.wp);  in hdmi_power_on_full()
212 	hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);  in hdmi_power_on_full()
216 	dss_pll_disable(&hdmi.pll.pll);  in hdmi_power_on_full()
224 	struct omap_overlay_manager *mgr = hdmi.output.manager;  in hdmi_power_off_full()
226 	hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);  in hdmi_power_off_full()
230 	hdmi_wp_video_stop(&hdmi.wp);  in hdmi_power_off_full()
232 	hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);  in hdmi_power_off_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()
253 	mutex_lock(&hdmi.lock);  in hdmi_display_set_timing()
255 	hdmi.cfg.timings = *timings;  in hdmi_display_set_timing()
259 	mutex_unlock(&hdmi.lock);  in hdmi_display_set_timing()
265 	*timings = hdmi.cfg.timings;  in hdmi_display_get_timings()
270 	mutex_lock(&hdmi.lock);  in hdmi_dump_regs()
273 		mutex_unlock(&hdmi.lock);  in hdmi_dump_regs()
277 	hdmi_wp_dump(&hdmi.wp, s);  in hdmi_dump_regs()
278 	hdmi_pll_dump(&hdmi.pll, s);  in hdmi_dump_regs()
279 	hdmi_phy_dump(&hdmi.phy, s);  in hdmi_dump_regs()
280 	hdmi4_core_dump(&hdmi.core, s);  in hdmi_dump_regs()
283 	mutex_unlock(&hdmi.lock);  in hdmi_dump_regs()
290 	mutex_lock(&hdmi.lock);  in read_edid()
295 	r = hdmi4_read_edid(&hdmi.core,  buf, len);  in read_edid()
298 	mutex_unlock(&hdmi.lock);  in read_edid()
317 	struct omap_dss_device *out = &hdmi.output;  in hdmi_display_enable()
323 	mutex_lock(&hdmi.lock);  in hdmi_display_enable()
337 	if (hdmi.audio_configured) {  in hdmi_display_enable()
338 		r = hdmi4_audio_config(&hdmi.core, &hdmi.wp, &hdmi.audio_config,  in hdmi_display_enable()
339 				       hdmi.cfg.timings.pixelclock);  in hdmi_display_enable()
342 			hdmi.audio_abort_cb(&hdmi.pdev->dev);  in hdmi_display_enable()
343 			hdmi.audio_configured = false;  in hdmi_display_enable()
347 	spin_lock_irqsave(&hdmi.audio_playing_lock, flags);  in hdmi_display_enable()
348 	if (hdmi.audio_configured && hdmi.audio_playing)  in hdmi_display_enable()
349 		hdmi_start_audio_stream(&hdmi);  in hdmi_display_enable()
350 	hdmi.display_enabled = true;  in hdmi_display_enable()
351 	spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);  in hdmi_display_enable()
353 	mutex_unlock(&hdmi.lock);  in hdmi_display_enable()
357 	mutex_unlock(&hdmi.lock);  in hdmi_display_enable()
367 	mutex_lock(&hdmi.lock);  in hdmi_display_disable()
369 	spin_lock_irqsave(&hdmi.audio_playing_lock, flags);  in hdmi_display_disable()
370 	hdmi_stop_audio_stream(&hdmi);  in hdmi_display_disable()
371 	hdmi.display_enabled = false;  in hdmi_display_disable()
372 	spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);  in hdmi_display_disable()
376 	mutex_unlock(&hdmi.lock);  in hdmi_display_disable()
385 	mutex_lock(&hdmi.lock);  in hdmi_core_enable()
393 	mutex_unlock(&hdmi.lock);  in hdmi_core_enable()
397 	mutex_unlock(&hdmi.lock);  in hdmi_core_enable()
405 	mutex_lock(&hdmi.lock);  in hdmi_core_disable()
409 	mutex_unlock(&hdmi.lock);  in hdmi_core_disable()
458 	bool need_enable = !hdmi.core_enabled;  in hdmi_read_edid()
478 	hdmi.cfg.infoframe = *avi;  in hdmi_set_infoframe()
485 	hdmi.cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;  in hdmi_set_hdmi_mode()
507 	struct omap_dss_device *out = &hdmi.output;  in hdmi_init_output()
512 	out->name = "hdmi.0";  in hdmi_init_output()
514 	out->ops.hdmi = &hdmi_ops;  in hdmi_init_output()
522 	struct omap_dss_device *out = &hdmi.output;  in hdmi_uninit_output()
537 	r = hdmi_parse_lanes_of(pdev, ep, &hdmi.phy);  in hdmi_probe_of()
655 		.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),  in hdmi_audio_register()
659 	hdmi.audio_pdev = platform_device_register_data(  in hdmi_audio_register()
660 		dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,  in hdmi_audio_register()
663 	return PTR_ERR_OR_ZERO(hdmi.audio_pdev);  in hdmi_audio_register()
666 /* HDMI HW IP initialisation */
673 	hdmi.pdev = pdev;  in hdmi4_bind()
674 	platform_set_drvdata(pdev, &hdmi);  in hdmi4_bind()
676 	mutex_init(&hdmi.lock);  in hdmi4_bind()
677 	spin_lock_init(&hdmi.audio_playing_lock);  in hdmi4_bind()
685 	r = hdmi_wp_init(pdev, &hdmi.wp);  in hdmi4_bind()
689 	r = hdmi_pll_init(pdev, &hdmi.pll, &hdmi.wp);  in hdmi4_bind()
693 	r = hdmi_phy_init(pdev, &hdmi.phy);  in hdmi4_bind()
697 	r = hdmi4_core_init(pdev, &hdmi.core);  in hdmi4_bind()
710 			IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);  in hdmi4_bind()
712 		DSSERR("HDMI IRQ request failed\n");  in hdmi4_bind()
722 		DSSERR("Registering HDMI audio failed\n");  in hdmi4_bind()
728 	dss_debugfs_create_file("hdmi", hdmi_dump_regs);  in hdmi4_bind()
732 	hdmi_pll_uninit(&hdmi.pll);  in hdmi4_bind()
740 	if (hdmi.audio_pdev)  in hdmi4_unbind()
741 		platform_device_unregister(hdmi.audio_pdev);  in hdmi4_unbind()
745 	hdmi_pll_uninit(&hdmi.pll);  in hdmi4_unbind()
789 	{ .compatible = "ti,omap4-hdmi", },