1 // SPDX-License-Identifier: GPL-2.0-only
11 static int msm_hdmi_phy_resource_init(struct hdmi_phy *phy)  in msm_hdmi_phy_resource_init()  argument
13 	struct hdmi_phy_cfg *cfg = phy->cfg;  in msm_hdmi_phy_resource_init()
14 	struct device *dev = &phy->pdev->dev;  in msm_hdmi_phy_resource_init()
17 	phy->regs = devm_kcalloc(dev, cfg->num_regs, sizeof(phy->regs[0]),  in msm_hdmi_phy_resource_init()
19 	if (!phy->regs)  in msm_hdmi_phy_resource_init()
20 		return -ENOMEM;  in msm_hdmi_phy_resource_init()
22 	phy->clks = devm_kcalloc(dev, cfg->num_clks, sizeof(phy->clks[0]),  in msm_hdmi_phy_resource_init()
24 	if (!phy->clks)  in msm_hdmi_phy_resource_init()
25 		return -ENOMEM;  in msm_hdmi_phy_resource_init()
27 	for (i = 0; i < cfg->num_regs; i++)  in msm_hdmi_phy_resource_init()
28 		phy->regs[i].supply = cfg->reg_names[i];  in msm_hdmi_phy_resource_init()
30 	ret = devm_regulator_bulk_get(dev, cfg->num_regs, phy->regs);  in msm_hdmi_phy_resource_init()
32 		if (ret != -EPROBE_DEFER)  in msm_hdmi_phy_resource_init()
33 			DRM_DEV_ERROR(dev, "failed to get phy regulators: %d\n", ret);  in msm_hdmi_phy_resource_init()
38 	for (i = 0; i < cfg->num_clks; i++) {  in msm_hdmi_phy_resource_init()
41 		clk = msm_clk_get(phy->pdev, cfg->clk_names[i]);  in msm_hdmi_phy_resource_init()
44 			DRM_DEV_ERROR(dev, "failed to get phy clock: %s (%d)\n",  in msm_hdmi_phy_resource_init()
45 				cfg->clk_names[i], ret);  in msm_hdmi_phy_resource_init()
49 		phy->clks[i] = clk;  in msm_hdmi_phy_resource_init()
55 int msm_hdmi_phy_resource_enable(struct hdmi_phy *phy)  in msm_hdmi_phy_resource_enable()  argument
57 	struct hdmi_phy_cfg *cfg = phy->cfg;  in msm_hdmi_phy_resource_enable()
58 	struct device *dev = &phy->pdev->dev;  in msm_hdmi_phy_resource_enable()
63 	ret = regulator_bulk_enable(cfg->num_regs, phy->regs);  in msm_hdmi_phy_resource_enable()
69 	for (i = 0; i < cfg->num_clks; i++) {  in msm_hdmi_phy_resource_enable()
70 		ret = clk_prepare_enable(phy->clks[i]);  in msm_hdmi_phy_resource_enable()
73 				cfg->clk_names[i], ret);  in msm_hdmi_phy_resource_enable()
79 void msm_hdmi_phy_resource_disable(struct hdmi_phy *phy)  in msm_hdmi_phy_resource_disable()  argument
81 	struct hdmi_phy_cfg *cfg = phy->cfg;  in msm_hdmi_phy_resource_disable()
82 	struct device *dev = &phy->pdev->dev;  in msm_hdmi_phy_resource_disable()
85 	for (i = cfg->num_clks - 1; i >= 0; i--)  in msm_hdmi_phy_resource_disable()
86 		clk_disable_unprepare(phy->clks[i]);  in msm_hdmi_phy_resource_disable()
88 	regulator_bulk_disable(cfg->num_regs, phy->regs);  in msm_hdmi_phy_resource_disable()
93 void msm_hdmi_phy_powerup(struct hdmi_phy *phy, unsigned long int pixclock)  in msm_hdmi_phy_powerup()  argument
95 	if (!phy || !phy->cfg->powerup)  in msm_hdmi_phy_powerup()
98 	phy->cfg->powerup(phy, pixclock);  in msm_hdmi_phy_powerup()
101 void msm_hdmi_phy_powerdown(struct hdmi_phy *phy)  in msm_hdmi_phy_powerdown()  argument
103 	if (!phy || !phy->cfg->powerdown)  in msm_hdmi_phy_powerdown()
106 	phy->cfg->powerdown(phy);  in msm_hdmi_phy_powerdown()
125 	 * we don't have PLL support for these, don't report an error for now  in msm_hdmi_phy_pll_init()
139 	struct device *dev = &pdev->dev;  in msm_hdmi_phy_probe()
140 	struct hdmi_phy *phy;  in msm_hdmi_phy_probe()  local
143 	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);  in msm_hdmi_phy_probe()
144 	if (!phy)  in msm_hdmi_phy_probe()
145 		return -ENODEV;  in msm_hdmi_phy_probe()
147 	phy->cfg = (struct hdmi_phy_cfg *)of_device_get_match_data(dev);  in msm_hdmi_phy_probe()
148 	if (!phy->cfg)  in msm_hdmi_phy_probe()
149 		return -ENODEV;  in msm_hdmi_phy_probe()
151 	phy->mmio = msm_ioremap(pdev, "hdmi_phy");  in msm_hdmi_phy_probe()
152 	if (IS_ERR(phy->mmio)) {  in msm_hdmi_phy_probe()
153 		DRM_DEV_ERROR(dev, "%s: failed to map phy base\n", __func__);  in msm_hdmi_phy_probe()
154 		return -ENOMEM;  in msm_hdmi_phy_probe()
157 	phy->pdev = pdev;  in msm_hdmi_phy_probe()
159 	ret = msm_hdmi_phy_resource_init(phy);  in msm_hdmi_phy_probe()
163 	pm_runtime_enable(&pdev->dev);  in msm_hdmi_phy_probe()
165 	ret = msm_hdmi_phy_resource_enable(phy);  in msm_hdmi_phy_probe()
169 	ret = msm_hdmi_phy_pll_init(pdev, phy->cfg->type);  in msm_hdmi_phy_probe()
171 		DRM_DEV_ERROR(dev, "couldn't init PLL\n");  in msm_hdmi_phy_probe()
172 		msm_hdmi_phy_resource_disable(phy);  in msm_hdmi_phy_probe()
176 	msm_hdmi_phy_resource_disable(phy);  in msm_hdmi_phy_probe()
178 	platform_set_drvdata(pdev, phy);  in msm_hdmi_phy_probe()
185 	pm_runtime_disable(&pdev->dev);  in msm_hdmi_phy_remove()
189 	{ .compatible = "qcom,hdmi-phy-8660",
191 	{ .compatible = "qcom,hdmi-phy-8960",
193 	{ .compatible = "qcom,hdmi-phy-8974",
195 	{ .compatible = "qcom,hdmi-phy-8084",
197 	{ .compatible = "qcom,hdmi-phy-8996",
199 	{ .compatible = "qcom,hdmi-phy-8998",