1 // SPDX-License-Identifier: GPL-2.0-only
16 	unsigned int val;  in msm_hdmi_phy_reset()
65 	const struct hdmi_platform_config *config = hdmi->config;  in enable_hpd_clocks()
66 	struct device *dev = &hdmi->pdev->dev;  in enable_hpd_clocks()
67 	int i, ret;  in enable_hpd_clocks()
70 		for (i = 0; i < config->hpd_clk_cnt; i++) {  in enable_hpd_clocks()
71 			if (config->hpd_freq && config->hpd_freq[i]) {  in enable_hpd_clocks()
72 				ret = clk_set_rate(hdmi->hpd_clks[i],  in enable_hpd_clocks()
73 						   config->hpd_freq[i]);  in enable_hpd_clocks()
77 						 config->hpd_clk_names[i], ret);  in enable_hpd_clocks()
80 			ret = clk_prepare_enable(hdmi->hpd_clks[i]);  in enable_hpd_clocks()
84 					config->hpd_clk_names[i], ret);  in enable_hpd_clocks()
88 		for (i = config->hpd_clk_cnt - 1; i >= 0; i--)  in enable_hpd_clocks()
89 			clk_disable_unprepare(hdmi->hpd_clks[i]);  in enable_hpd_clocks()
93 int msm_hdmi_hpd_enable(struct drm_bridge *bridge)  in msm_hdmi_hpd_enable()
96 	struct hdmi *hdmi = hdmi_bridge->hdmi;  in msm_hdmi_hpd_enable()
97 	const struct hdmi_platform_config *config = hdmi->config;  in msm_hdmi_hpd_enable()
98 	struct device *dev = &hdmi->pdev->dev;  in msm_hdmi_hpd_enable()
100 	int ret;  in msm_hdmi_hpd_enable()
103 	ret = regulator_bulk_enable(config->hpd_reg_cnt, hdmi->hpd_regs);  in msm_hdmi_hpd_enable()
111 		DRM_DEV_ERROR(dev, "pinctrl state chg failed: %d\n", ret);  in msm_hdmi_hpd_enable()
115 	if (hdmi->hpd_gpiod)  in msm_hdmi_hpd_enable()
116 		gpiod_set_value_cansleep(hdmi->hpd_gpiod, 1);  in msm_hdmi_hpd_enable()
133 	spin_lock_irqsave(&hdmi->reg_lock, flags);  in msm_hdmi_hpd_enable()
142 	spin_unlock_irqrestore(&hdmi->reg_lock, flags);  in msm_hdmi_hpd_enable()
152 	const struct hdmi_platform_config *config = hdmi->config;  in msm_hdmi_hpd_disable()
153 	struct device *dev = &hdmi->pdev->dev;  in msm_hdmi_hpd_disable()
154 	int ret;  in msm_hdmi_hpd_disable()
166 		dev_warn(dev, "pinctrl state chg failed: %d\n", ret);  in msm_hdmi_hpd_disable()
168 	ret = regulator_bulk_disable(config->hpd_reg_cnt, hdmi->hpd_regs);  in msm_hdmi_hpd_disable()
176 	struct hdmi *hdmi = hdmi_bridge->hdmi;  in msm_hdmi_hpd_irq()
199 		queue_work(hdmi->workq, &hdmi_bridge->hpd_work);  in msm_hdmi_hpd_irq()
207 	pm_runtime_get_sync(&hdmi->pdev->dev);  in detect_reg()
213 	pm_runtime_put(&hdmi->pdev->dev);  in detect_reg()
222 	return gpiod_get_value(hdmi->hpd_gpiod) ?  in detect_gpio()
231 	struct hdmi *hdmi = hdmi_bridge->hdmi;  in msm_hdmi_bridge_detect()
233 	int retry = 20;  in msm_hdmi_bridge_detect()
239 	if (!hdmi->hpd_gpiod)  in msm_hdmi_bridge_detect()
250 	} while (--retry);  in msm_hdmi_bridge_detect()