3  * HDMI interface DSS driver for TI's OMAP4 family of SoCs.
9 #define DSS_SUBSYS_NAME "HDMI"
26 #include <sound/omap-hdmi-audio.h>
31 #include "hdmi.h"
33 static struct omap_hdmi hdmi;  variable
41 	r = pm_runtime_resume_and_get(&hdmi.pdev->dev);  in hdmi_runtime_get()
54 	r = pm_runtime_put_sync(&hdmi.pdev->dev);  in hdmi_runtime_put()
93 	if (hdmi.vdda_reg != NULL)  in hdmi_init_regulator()
96 	reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");  in hdmi_init_regulator()
104 	hdmi.vdda_reg = reg;  in hdmi_init_regulator()
113 	r = regulator_enable(hdmi.vdda_reg);  in hdmi_power_on_core()
121 	/* Make selection of HDMI in DSS */  in hdmi_power_on_core()
124 	hdmi.core_enabled = true;  in hdmi_power_on_core()
129 	regulator_disable(hdmi.vdda_reg);  in hdmi_power_on_core()
136 	hdmi.core_enabled = false;  in hdmi_power_off_core()
139 	regulator_disable(hdmi.vdda_reg);  in hdmi_power_off_core()
146 	struct omap_overlay_manager *mgr = hdmi.output.manager;  in hdmi_power_on_full()
147 	struct hdmi_wp_data *wp = &hdmi.wp;  in hdmi_power_on_full()
158 	p = &hdmi.cfg.timings;  in hdmi_power_on_full()
162 	hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);  in hdmi_power_on_full()
164 	r = dss_pll_enable(&hdmi.pll.pll);  in hdmi_power_on_full()
170 	r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);  in hdmi_power_on_full()
176 	r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,  in hdmi_power_on_full()
187 	hdmi4_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);  in hdmi_power_on_full()
195 	r = hdmi_wp_video_start(&hdmi.wp);  in hdmi_power_on_full()
209 	hdmi_wp_video_stop(&hdmi.wp);  in hdmi_power_on_full()
211 	hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);  in hdmi_power_on_full()
215 	dss_pll_disable(&hdmi.pll.pll);  in hdmi_power_on_full()
223 	struct omap_overlay_manager *mgr = hdmi.output.manager;  in hdmi_power_off_full()
225 	hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);  in hdmi_power_off_full()
229 	hdmi_wp_video_stop(&hdmi.wp);  in hdmi_power_off_full()
231 	hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);  in hdmi_power_off_full()
233 	dss_pll_disable(&hdmi.pll.pll);  in hdmi_power_off_full()
241 	struct omap_dss_device *out = &hdmi.output;  in hdmi_display_check_timing()
252 	mutex_lock(&hdmi.lock);  in hdmi_display_set_timing()
254 	hdmi.cfg.timings = *timings;  in hdmi_display_set_timing()
258 	mutex_unlock(&hdmi.lock);  in hdmi_display_set_timing()
264 	*timings = hdmi.cfg.timings;  in hdmi_display_get_timings()
269 	mutex_lock(&hdmi.lock);  in hdmi_dump_regs()
272 		mutex_unlock(&hdmi.lock);  in hdmi_dump_regs()
276 	hdmi_wp_dump(&hdmi.wp, s);  in hdmi_dump_regs()
277 	hdmi_pll_dump(&hdmi.pll, s);  in hdmi_dump_regs()
278 	hdmi_phy_dump(&hdmi.phy, s);  in hdmi_dump_regs()
279 	hdmi4_core_dump(&hdmi.core, s);  in hdmi_dump_regs()
282 	mutex_unlock(&hdmi.lock);  in hdmi_dump_regs()
289 	mutex_lock(&hdmi.lock);  in read_edid()
294 	r = hdmi4_read_edid(&hdmi.core,  buf, len);  in read_edid()
297 	mutex_unlock(&hdmi.lock);  in read_edid()
316 	struct omap_dss_device *out = &hdmi.output;  in hdmi_display_enable()
322 	mutex_lock(&hdmi.lock);  in hdmi_display_enable()
336 	if (hdmi.audio_configured) {  in hdmi_display_enable()
337 		r = hdmi4_audio_config(&hdmi.core, &hdmi.wp, &hdmi.audio_config,  in hdmi_display_enable()
338 				       hdmi.cfg.timings.pixelclock);  in hdmi_display_enable()
341 			hdmi.audio_abort_cb(&hdmi.pdev->dev);  in hdmi_display_enable()
342 			hdmi.audio_configured = false;  in hdmi_display_enable()
346 	spin_lock_irqsave(&hdmi.audio_playing_lock, flags);  in hdmi_display_enable()
347 	if (hdmi.audio_configured && hdmi.audio_playing)  in hdmi_display_enable()
348 		hdmi_start_audio_stream(&hdmi);  in hdmi_display_enable()
349 	hdmi.display_enabled = true;  in hdmi_display_enable()
350 	spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);  in hdmi_display_enable()
352 	mutex_unlock(&hdmi.lock);  in hdmi_display_enable()
356 	mutex_unlock(&hdmi.lock);  in hdmi_display_enable()
366 	mutex_lock(&hdmi.lock);  in hdmi_display_disable()
368 	spin_lock_irqsave(&hdmi.audio_playing_lock, flags);  in hdmi_display_disable()
369 	hdmi_stop_audio_stream(&hdmi);  in hdmi_display_disable()
370 	hdmi.display_enabled = false;  in hdmi_display_disable()
371 	spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);  in hdmi_display_disable()
375 	mutex_unlock(&hdmi.lock);  in hdmi_display_disable()
384 	mutex_lock(&hdmi.lock);  in hdmi_core_enable()
392 	mutex_unlock(&hdmi.lock);  in hdmi_core_enable()
396 	mutex_unlock(&hdmi.lock);  in hdmi_core_enable()
404 	mutex_lock(&hdmi.lock);  in hdmi_core_disable()
408 	mutex_unlock(&hdmi.lock);  in hdmi_core_disable()
457 	bool need_enable = !hdmi.core_enabled;  in hdmi_read_edid()
477 	hdmi.cfg.infoframe = *avi;  in hdmi_set_infoframe()
484 	hdmi.cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;  in hdmi_set_hdmi_mode()
506 	struct omap_dss_device *out = &hdmi.output;  in hdmi_init_output()
511 	out->name = "hdmi.0";  in hdmi_init_output()
513 	out->ops.hdmi = &hdmi_ops;  in hdmi_init_output()
521 	struct omap_dss_device *out = &hdmi.output;  in hdmi_uninit_output()
536 	r = hdmi_parse_lanes_of(pdev, ep, &hdmi.phy);  in hdmi_probe_of()
654 		.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),  in hdmi_audio_register()
658 	hdmi.audio_pdev = platform_device_register_data(  in hdmi_audio_register()
659 		dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,  in hdmi_audio_register()
662 	return PTR_ERR_OR_ZERO(hdmi.audio_pdev);  in hdmi_audio_register()
665 /* HDMI HW IP initialisation */
672 	hdmi.pdev = pdev;  in hdmi4_bind()
673 	platform_set_drvdata(pdev, &hdmi);  in hdmi4_bind()
675 	mutex_init(&hdmi.lock);  in hdmi4_bind()
676 	spin_lock_init(&hdmi.audio_playing_lock);  in hdmi4_bind()
684 	r = hdmi_wp_init(pdev, &hdmi.wp);  in hdmi4_bind()
688 	r = hdmi_pll_init(pdev, &hdmi.pll, &hdmi.wp);  in hdmi4_bind()
692 	r = hdmi_phy_init(pdev, &hdmi.phy);  in hdmi4_bind()
696 	r = hdmi4_core_init(pdev, &hdmi.core);  in hdmi4_bind()
709 			IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);  in hdmi4_bind()
711 		DSSERR("HDMI IRQ request failed\n");  in hdmi4_bind()
721 		DSSERR("Registering HDMI audio failed\n");  in hdmi4_bind()
727 	dss_debugfs_create_file("hdmi", hdmi_dump_regs);  in hdmi4_bind()
731 	hdmi_pll_uninit(&hdmi.pll);  in hdmi4_bind()
739 	if (hdmi.audio_pdev)  in hdmi4_unbind()
740 		platform_device_unregister(hdmi.audio_pdev);  in hdmi4_unbind()
744 	hdmi_pll_uninit(&hdmi.pll);  in hdmi4_unbind()
788 	{ .compatible = "ti,omap4-hdmi", },