1 // SPDX-License-Identifier: GPL-2.0-only
72 	const struct hdmi_platform_config *config = hdmi->config;  in gpio_config()
77 			struct hdmi_gpio_data gpio = config->gpios[i];  in gpio_config()
94 			struct hdmi_gpio_data gpio = config->gpios[i];  in gpio_config()
114 	const struct hdmi_platform_config *config = hdmi->config;  in enable_hpd_clocks()
115 	struct device *dev = &hdmi->pdev->dev;  in enable_hpd_clocks()
119 		for (i = 0; i < config->hpd_clk_cnt; i++) {  in enable_hpd_clocks()
120 			if (config->hpd_freq && config->hpd_freq[i]) {  in enable_hpd_clocks()
121 				ret = clk_set_rate(hdmi->hpd_clks[i],  in enable_hpd_clocks()
122 						   config->hpd_freq[i]);  in enable_hpd_clocks()
126 						 config->hpd_clk_names[i], ret);  in enable_hpd_clocks()
129 			ret = clk_prepare_enable(hdmi->hpd_clks[i]);  in enable_hpd_clocks()
132 					"failed to enable hpd clk: %s (%d)\n",  in enable_hpd_clocks()
133 					config->hpd_clk_names[i], ret);  in enable_hpd_clocks()
137 		for (i = config->hpd_clk_cnt - 1; i >= 0; i--)  in enable_hpd_clocks()
138 			clk_disable_unprepare(hdmi->hpd_clks[i]);  in enable_hpd_clocks()
145 	struct hdmi *hdmi = hdmi_connector->hdmi;  in msm_hdmi_hpd_enable()
146 	const struct hdmi_platform_config *config = hdmi->config;  in msm_hdmi_hpd_enable()
147 	struct device *dev = &hdmi->pdev->dev;  in msm_hdmi_hpd_enable()
152 	for (i = 0; i < config->hpd_reg_cnt; i++) {  in msm_hdmi_hpd_enable()
153 		ret = regulator_enable(hdmi->hpd_regs[i]);  in msm_hdmi_hpd_enable()
155 			DRM_DEV_ERROR(dev, "failed to enable hpd regulator: %s (%d)\n",  in msm_hdmi_hpd_enable()
156 					config->hpd_reg_names[i], ret);  in msm_hdmi_hpd_enable()
169 		DRM_DEV_ERROR(dev, "failed to configure GPIOs: %d\n", ret);  in msm_hdmi_hpd_enable()
182 	/* enable HPD events: */  in msm_hdmi_hpd_enable()
188 	spin_lock_irqsave(&hdmi->reg_lock, flags);  in msm_hdmi_hpd_enable()
192 	/* Toggle HPD circuit to trigger HPD sense */  in msm_hdmi_hpd_enable()
197 	spin_unlock_irqrestore(&hdmi->reg_lock, flags);  in msm_hdmi_hpd_enable()
207 	struct hdmi *hdmi = hdmi_connector->hdmi;  in hdp_disable()
208 	const struct hdmi_platform_config *config = hdmi->config;  in hdp_disable()
209 	struct device *dev = &hdmi->pdev->dev;  in hdp_disable()
212 	/* Disable HPD interrupt */  in hdp_disable()
222 		dev_warn(dev, "failed to unconfigure GPIOs: %d\n", ret);  in hdp_disable()
228 	for (i = 0; i < config->hpd_reg_cnt; i++) {  in hdp_disable()
229 		ret = regulator_disable(hdmi->hpd_regs[i]);  in hdp_disable()
231 			dev_warn(dev, "failed to disable hpd regulator: %s (%d)\n",  in hdp_disable()
232 					config->hpd_reg_names[i], ret);  in hdp_disable()
241 	struct drm_connector *connector = &hdmi_connector->base;  in msm_hdmi_hotplug_work()
242 	drm_helper_hpd_irq_event(connector->dev);  in msm_hdmi_hotplug_work()
248 	struct hdmi *hdmi = hdmi_connector->hdmi;  in msm_hdmi_connector_irq()
251 	/* Process HPD: */  in msm_hdmi_connector_irq()
259 		/* ack & disable (temporarily) HPD events: */  in msm_hdmi_connector_irq()
271 		queue_work(hdmi->workq, &hdmi_connector->hpd_work);  in msm_hdmi_connector_irq()
279 	pm_runtime_get_sync(&hdmi->pdev->dev);  in detect_reg()
285 	pm_runtime_put_autosuspend(&hdmi->pdev->dev);  in detect_reg()
294 	const struct hdmi_platform_config *config = hdmi->config;  in detect_gpio()
295 	struct hdmi_gpio_data hpd_gpio = config->gpios[HPD_GPIO_INDEX];  in detect_gpio()
306 	struct hdmi *hdmi = hdmi_connector->hdmi;  in hdmi_connector_detect()
307 	const struct hdmi_platform_config *config = hdmi->config;  in hdmi_connector_detect()
308 	struct hdmi_gpio_data hpd_gpio = config->gpios[HPD_GPIO_INDEX];  in hdmi_connector_detect()
313 	 * some platforms may not have hpd gpio. Rely only on the status  in hdmi_connector_detect()
327 	} while (--retry);  in hdmi_connector_detect()
335 		DBG("hpd gpio tells us: %d", stat_gpio);  in hdmi_connector_detect()
355 	struct hdmi *hdmi = hdmi_connector->hdmi;  in msm_hdmi_connector_get_modes()
363 	edid = drm_get_edid(connector, hdmi->i2c);  in msm_hdmi_connector_get_modes()
367 	hdmi->hdmi_mode = drm_detect_hdmi_monitor(edid);  in msm_hdmi_connector_get_modes()
382 	struct hdmi *hdmi = hdmi_connector->hdmi;  in msm_hdmi_connector_mode_valid()
383 	const struct hdmi_platform_config *config = hdmi->config;  in msm_hdmi_connector_mode_valid()
384 	struct msm_drm_private *priv = connector->dev->dev_private;  in msm_hdmi_connector_mode_valid()
385 	struct msm_kms *kms = priv->kms;  in msm_hdmi_connector_mode_valid()
388 	requested = 1000 * mode->clock;  in msm_hdmi_connector_mode_valid()
389 	actual = kms->funcs->round_pixclk(kms,  in msm_hdmi_connector_mode_valid()
390 			requested, hdmi_connector->hdmi->encoder);  in msm_hdmi_connector_mode_valid()
396 	if (config->pwr_clk_cnt > 0)  in msm_hdmi_connector_mode_valid()
397 		actual = clk_round_rate(hdmi->pwr_clks[0], actual);  in msm_hdmi_connector_mode_valid()
429 		return ERR_PTR(-ENOMEM);  in msm_hdmi_connector_init()
431 	hdmi_connector->hdmi = hdmi;  in msm_hdmi_connector_init()
432 	INIT_WORK(&hdmi_connector->hpd_work, msm_hdmi_hotplug_work);  in msm_hdmi_connector_init()
434 	connector = &hdmi_connector->base;  in msm_hdmi_connector_init()
436 	drm_connector_init_with_ddc(hdmi->dev, connector,  in msm_hdmi_connector_init()
439 				    hdmi->i2c);  in msm_hdmi_connector_init()
442 	connector->polled = DRM_CONNECTOR_POLL_CONNECT |  in msm_hdmi_connector_init()
445 	connector->interlace_allowed = 0;  in msm_hdmi_connector_init()
446 	connector->doublescan_allowed = 0;  in msm_hdmi_connector_init()
448 	drm_connector_attach_encoder(connector, hdmi->encoder);  in msm_hdmi_connector_init()