1 // SPDX-License-Identifier: GPL-2.0-only
8 #include "hdmi.h"
10 static int msm_hdmi_phy_resource_init(struct hdmi_phy *phy)  in msm_hdmi_phy_resource_init()  argument
12 	struct hdmi_phy_cfg *cfg = phy->cfg;  in msm_hdmi_phy_resource_init()
13 	struct device *dev = &phy->pdev->dev;  in msm_hdmi_phy_resource_init()
16 	phy->regs = devm_kcalloc(dev, cfg->num_regs, sizeof(phy->regs[0]),  in msm_hdmi_phy_resource_init()
18 	if (!phy->regs)  in msm_hdmi_phy_resource_init()
19 		return -ENOMEM;  in msm_hdmi_phy_resource_init()
21 	phy->clks = devm_kcalloc(dev, cfg->num_clks, sizeof(phy->clks[0]),  in msm_hdmi_phy_resource_init()
23 	if (!phy->clks)  in msm_hdmi_phy_resource_init()
24 		return -ENOMEM;  in msm_hdmi_phy_resource_init()
26 	for (i = 0; i < cfg->num_regs; i++)  in msm_hdmi_phy_resource_init()
27 		phy->regs[i].supply = cfg->reg_names[i];  in msm_hdmi_phy_resource_init()
29 	ret = devm_regulator_bulk_get(dev, cfg->num_regs, phy->regs);  in msm_hdmi_phy_resource_init()
31 		if (ret != -EPROBE_DEFER)  in msm_hdmi_phy_resource_init()
32 			DRM_DEV_ERROR(dev, "failed to get phy regulators: %d\n", ret);  in msm_hdmi_phy_resource_init()
37 	for (i = 0; i < cfg->num_clks; i++) {  in msm_hdmi_phy_resource_init()
40 		clk = msm_clk_get(phy->pdev, cfg->clk_names[i]);  in msm_hdmi_phy_resource_init()
43 			DRM_DEV_ERROR(dev, "failed to get phy clock: %s (%d)\n",  in msm_hdmi_phy_resource_init()
44 				cfg->clk_names[i], ret);  in msm_hdmi_phy_resource_init()
48 		phy->clks[i] = clk;  in msm_hdmi_phy_resource_init()
54 int msm_hdmi_phy_resource_enable(struct hdmi_phy *phy)  in msm_hdmi_phy_resource_enable()  argument
56 	struct hdmi_phy_cfg *cfg = phy->cfg;  in msm_hdmi_phy_resource_enable()
57 	struct device *dev = &phy->pdev->dev;  in msm_hdmi_phy_resource_enable()
62 	ret = regulator_bulk_enable(cfg->num_regs, phy->regs);  in msm_hdmi_phy_resource_enable()
68 	for (i = 0; i < cfg->num_clks; i++) {  in msm_hdmi_phy_resource_enable()
69 		ret = clk_prepare_enable(phy->clks[i]);  in msm_hdmi_phy_resource_enable()
72 				cfg->clk_names[i], ret);  in msm_hdmi_phy_resource_enable()
78 void msm_hdmi_phy_resource_disable(struct hdmi_phy *phy)  in msm_hdmi_phy_resource_disable()  argument
80 	struct hdmi_phy_cfg *cfg = phy->cfg;  in msm_hdmi_phy_resource_disable()
81 	struct device *dev = &phy->pdev->dev;  in msm_hdmi_phy_resource_disable()
84 	for (i = cfg->num_clks - 1; i >= 0; i--)  in msm_hdmi_phy_resource_disable()
85 		clk_disable_unprepare(phy->clks[i]);  in msm_hdmi_phy_resource_disable()
87 	regulator_bulk_disable(cfg->num_regs, phy->regs);  in msm_hdmi_phy_resource_disable()
92 void msm_hdmi_phy_powerup(struct hdmi_phy *phy, unsigned long int pixclock)  in msm_hdmi_phy_powerup()  argument
94 	if (!phy || !phy->cfg->powerup)  in msm_hdmi_phy_powerup()
97 	phy->cfg->powerup(phy, pixclock);  in msm_hdmi_phy_powerup()
100 void msm_hdmi_phy_powerdown(struct hdmi_phy *phy)  in msm_hdmi_phy_powerdown()  argument
102 	if (!phy || !phy->cfg->powerdown)  in msm_hdmi_phy_powerdown()
105 	phy->cfg->powerdown(phy);  in msm_hdmi_phy_powerdown()
135 	struct device *dev = &pdev->dev;  in msm_hdmi_phy_probe()
136 	struct hdmi_phy *phy;  in msm_hdmi_phy_probe()  local
139 	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);  in msm_hdmi_phy_probe()
140 	if (!phy)  in msm_hdmi_phy_probe()
141 		return -ENODEV;  in msm_hdmi_phy_probe()
143 	phy->cfg = (struct hdmi_phy_cfg *)of_device_get_match_data(dev);  in msm_hdmi_phy_probe()
144 	if (!phy->cfg)  in msm_hdmi_phy_probe()
145 		return -ENODEV;  in msm_hdmi_phy_probe()
147 	phy->mmio = msm_ioremap(pdev, "hdmi_phy");  in msm_hdmi_phy_probe()
148 	if (IS_ERR(phy->mmio)) {  in msm_hdmi_phy_probe()
149 		DRM_DEV_ERROR(dev, "%s: failed to map phy base\n", __func__);  in msm_hdmi_phy_probe()
150 		return -ENOMEM;  in msm_hdmi_phy_probe()
153 	phy->pdev = pdev;  in msm_hdmi_phy_probe()
155 	ret = msm_hdmi_phy_resource_init(phy);  in msm_hdmi_phy_probe()
159 	pm_runtime_enable(&pdev->dev);  in msm_hdmi_phy_probe()
161 	ret = msm_hdmi_phy_resource_enable(phy);  in msm_hdmi_phy_probe()
165 	ret = msm_hdmi_phy_pll_init(pdev, phy->cfg->type);  in msm_hdmi_phy_probe()
168 		msm_hdmi_phy_resource_disable(phy);  in msm_hdmi_phy_probe()
172 	msm_hdmi_phy_resource_disable(phy);  in msm_hdmi_phy_probe()
174 	platform_set_drvdata(pdev, phy);  in msm_hdmi_phy_probe()
181 	pm_runtime_disable(&pdev->dev);  in msm_hdmi_phy_remove()
187 	{ .compatible = "qcom,hdmi-phy-8660",
189 	{ .compatible = "qcom,hdmi-phy-8960",
191 	{ .compatible = "qcom,hdmi-phy-8974",
193 	{ .compatible = "qcom,hdmi-phy-8084",
195 	{ .compatible = "qcom,hdmi-phy-8996",