1 // SPDX-License-Identifier: GPL-2.0-only
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()
29 		reg = devm_regulator_get(dev, cfg->reg_names[i]);  in msm_hdmi_phy_resource_init()
32 			if (ret != -EPROBE_DEFER) {  in msm_hdmi_phy_resource_init()
34 					      "failed to get phy regulator: %s (%d)\n",  in msm_hdmi_phy_resource_init()
35 					      cfg->reg_names[i], ret);  in msm_hdmi_phy_resource_init()
41 		phy->regs[i] = reg;  in msm_hdmi_phy_resource_init()
44 	for (i = 0; i < cfg->num_clks; i++) {  in msm_hdmi_phy_resource_init()
47 		clk = msm_clk_get(phy->pdev, cfg->clk_names[i]);  in msm_hdmi_phy_resource_init()
50 			DRM_DEV_ERROR(dev, "failed to get phy clock: %s (%d)\n",  in msm_hdmi_phy_resource_init()
51 				cfg->clk_names[i], ret);  in msm_hdmi_phy_resource_init()
55 		phy->clks[i] = clk;  in msm_hdmi_phy_resource_init()
61 int msm_hdmi_phy_resource_enable(struct hdmi_phy *phy)  in msm_hdmi_phy_resource_enable()  argument
63 	struct hdmi_phy_cfg *cfg = phy->cfg;  in msm_hdmi_phy_resource_enable()
64 	struct device *dev = &phy->pdev->dev;  in msm_hdmi_phy_resource_enable()
69 	for (i = 0; i < cfg->num_regs; i++) {  in msm_hdmi_phy_resource_enable()
70 		ret = regulator_enable(phy->regs[i]);  in msm_hdmi_phy_resource_enable()
73 				cfg->reg_names[i], ret);  in msm_hdmi_phy_resource_enable()
76 	for (i = 0; i < cfg->num_clks; i++) {  in msm_hdmi_phy_resource_enable()
77 		ret = clk_prepare_enable(phy->clks[i]);  in msm_hdmi_phy_resource_enable()
80 				cfg->clk_names[i], ret);  in msm_hdmi_phy_resource_enable()
86 void msm_hdmi_phy_resource_disable(struct hdmi_phy *phy)  in msm_hdmi_phy_resource_disable()  argument
88 	struct hdmi_phy_cfg *cfg = phy->cfg;  in msm_hdmi_phy_resource_disable()
89 	struct device *dev = &phy->pdev->dev;  in msm_hdmi_phy_resource_disable()
92 	for (i = cfg->num_clks - 1; i >= 0; i--)  in msm_hdmi_phy_resource_disable()
93 		clk_disable_unprepare(phy->clks[i]);  in msm_hdmi_phy_resource_disable()
95 	for (i = cfg->num_regs - 1; i >= 0; i--)  in msm_hdmi_phy_resource_disable()
96 		regulator_disable(phy->regs[i]);  in msm_hdmi_phy_resource_disable()
101 void msm_hdmi_phy_powerup(struct hdmi_phy *phy, unsigned long int pixclock)  in msm_hdmi_phy_powerup()  argument
103 	if (!phy || !phy->cfg->powerup)  in msm_hdmi_phy_powerup()
106 	phy->cfg->powerup(phy, pixclock);  in msm_hdmi_phy_powerup()
109 void msm_hdmi_phy_powerdown(struct hdmi_phy *phy)  in msm_hdmi_phy_powerdown()  argument
111 	if (!phy || !phy->cfg->powerdown)  in msm_hdmi_phy_powerdown()
114 	phy->cfg->powerdown(phy);  in msm_hdmi_phy_powerdown()
130 	 * we don't have PLL support for these, don't report an error for now  in msm_hdmi_phy_pll_init()
144 	struct device *dev = &pdev->dev;  in msm_hdmi_phy_probe()
145 	struct hdmi_phy *phy;  in msm_hdmi_phy_probe()  local
148 	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);  in msm_hdmi_phy_probe()
149 	if (!phy)  in msm_hdmi_phy_probe()
150 		return -ENODEV;  in msm_hdmi_phy_probe()
152 	phy->cfg = (struct hdmi_phy_cfg *)of_device_get_match_data(dev);  in msm_hdmi_phy_probe()
153 	if (!phy->cfg)  in msm_hdmi_phy_probe()
154 		return -ENODEV;  in msm_hdmi_phy_probe()
156 	phy->mmio = msm_ioremap(pdev, "hdmi_phy", "HDMI_PHY");  in msm_hdmi_phy_probe()
157 	if (IS_ERR(phy->mmio)) {  in msm_hdmi_phy_probe()
158 		DRM_DEV_ERROR(dev, "%s: failed to map phy base\n", __func__);  in msm_hdmi_phy_probe()
159 		return -ENOMEM;  in msm_hdmi_phy_probe()
162 	phy->pdev = pdev;  in msm_hdmi_phy_probe()
164 	ret = msm_hdmi_phy_resource_init(phy);  in msm_hdmi_phy_probe()
168 	pm_runtime_enable(&pdev->dev);  in msm_hdmi_phy_probe()
170 	ret = msm_hdmi_phy_resource_enable(phy);  in msm_hdmi_phy_probe()
174 	ret = msm_hdmi_phy_pll_init(pdev, phy->cfg->type);  in msm_hdmi_phy_probe()
176 		DRM_DEV_ERROR(dev, "couldn't init PLL\n");  in msm_hdmi_phy_probe()
177 		msm_hdmi_phy_resource_disable(phy);  in msm_hdmi_phy_probe()
181 	msm_hdmi_phy_resource_disable(phy);  in msm_hdmi_phy_probe()
183 	platform_set_drvdata(pdev, phy);  in msm_hdmi_phy_probe()
190 	pm_runtime_disable(&pdev->dev);  in msm_hdmi_phy_remove()
196 	{ .compatible = "qcom,hdmi-phy-8660",
198 	{ .compatible = "qcom,hdmi-phy-8960",
200 	{ .compatible = "qcom,hdmi-phy-8974",
202 	{ .compatible = "qcom,hdmi-phy-8084",
204 	{ .compatible = "qcom,hdmi-phy-8996",