1 // SPDX-License-Identifier: GPL-2.0+
22 	struct sun8i_dw_hdmi *hdmi = encoder_to_sun8i_dw_hdmi(encoder);  in sun8i_dw_hdmi_encoder_mode_set()  local
24 	clk_set_rate(hdmi->clk_tmds, mode->crtc_clock * 1000);  in sun8i_dw_hdmi_encoder_mode_set()
33 sun8i_dw_hdmi_mode_valid_a83t(struct dw_hdmi *hdmi, void *data,  in sun8i_dw_hdmi_mode_valid_a83t()  argument
37 	if (mode->clock > 297000)  in sun8i_dw_hdmi_mode_valid_a83t()
44 sun8i_dw_hdmi_mode_valid_h6(struct dw_hdmi *hdmi, void *data,  in sun8i_dw_hdmi_mode_valid_h6()  argument
52 	if (mode->clock > 594000)  in sun8i_dw_hdmi_mode_valid_h6()
70 	remote = of_graph_get_remote_node(node, 0, -1);  in sun8i_dw_hdmi_find_possible_crtcs()
104 	struct sun8i_dw_hdmi *hdmi;  in sun8i_dw_hdmi_bind()  local
107 	if (!pdev->dev.of_node)  in sun8i_dw_hdmi_bind()
108 		return -ENODEV;  in sun8i_dw_hdmi_bind()
110 	hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);  in sun8i_dw_hdmi_bind()
111 	if (!hdmi)  in sun8i_dw_hdmi_bind()
112 		return -ENOMEM;  in sun8i_dw_hdmi_bind()
114 	plat_data = &hdmi->plat_data;  in sun8i_dw_hdmi_bind()
115 	hdmi->dev = &pdev->dev;  in sun8i_dw_hdmi_bind()
116 	encoder = &hdmi->encoder;  in sun8i_dw_hdmi_bind()
118 	hdmi->quirks = of_device_get_match_data(dev);  in sun8i_dw_hdmi_bind()
120 	encoder->possible_crtcs =  in sun8i_dw_hdmi_bind()
121 		sun8i_dw_hdmi_find_possible_crtcs(drm, dev->of_node);  in sun8i_dw_hdmi_bind()
128 	if (encoder->possible_crtcs == 0)  in sun8i_dw_hdmi_bind()
129 		return -EPROBE_DEFER;  in sun8i_dw_hdmi_bind()
131 	hdmi->rst_ctrl = devm_reset_control_get(dev, "ctrl");  in sun8i_dw_hdmi_bind()
132 	if (IS_ERR(hdmi->rst_ctrl))  in sun8i_dw_hdmi_bind()
133 		return dev_err_probe(dev, PTR_ERR(hdmi->rst_ctrl),  in sun8i_dw_hdmi_bind()
136 	hdmi->clk_tmds = devm_clk_get(dev, "tmds");  in sun8i_dw_hdmi_bind()
137 	if (IS_ERR(hdmi->clk_tmds))  in sun8i_dw_hdmi_bind()
138 		return dev_err_probe(dev, PTR_ERR(hdmi->clk_tmds),  in sun8i_dw_hdmi_bind()
141 	hdmi->regulator = devm_regulator_get(dev, "hvcc");  in sun8i_dw_hdmi_bind()
142 	if (IS_ERR(hdmi->regulator))  in sun8i_dw_hdmi_bind()
143 		return dev_err_probe(dev, PTR_ERR(hdmi->regulator),  in sun8i_dw_hdmi_bind()
146 	ret = regulator_enable(hdmi->regulator);  in sun8i_dw_hdmi_bind()
152 	ret = reset_control_deassert(hdmi->rst_ctrl);  in sun8i_dw_hdmi_bind()
158 	ret = clk_prepare_enable(hdmi->clk_tmds);  in sun8i_dw_hdmi_bind()
164 	phy_node = of_parse_phandle(dev->of_node, "phys", 0);  in sun8i_dw_hdmi_bind()
166 		dev_err(dev, "Can't found PHY phandle\n");  in sun8i_dw_hdmi_bind()
167 		ret = -EINVAL;  in sun8i_dw_hdmi_bind()
171 	ret = sun8i_hdmi_phy_get(hdmi, phy_node);  in sun8i_dw_hdmi_bind()
174 		dev_err(dev, "Couldn't get the HDMI PHY\n");  in sun8i_dw_hdmi_bind()
178 	ret = sun8i_hdmi_phy_init(hdmi->phy);  in sun8i_dw_hdmi_bind()
185 	plat_data->mode_valid = hdmi->quirks->mode_valid;  in sun8i_dw_hdmi_bind()
186 	plat_data->use_drm_infoframe = hdmi->quirks->use_drm_infoframe;  in sun8i_dw_hdmi_bind()
187 	sun8i_hdmi_phy_set_ops(hdmi->phy, plat_data);  in sun8i_dw_hdmi_bind()
189 	platform_set_drvdata(pdev, hdmi);  in sun8i_dw_hdmi_bind()
191 	hdmi->hdmi = dw_hdmi_bind(pdev, encoder, plat_data);  in sun8i_dw_hdmi_bind()
197 	if (IS_ERR(hdmi->hdmi)) {  in sun8i_dw_hdmi_bind()
198 		ret = PTR_ERR(hdmi->hdmi);  in sun8i_dw_hdmi_bind()
207 	clk_disable_unprepare(hdmi->clk_tmds);  in sun8i_dw_hdmi_bind()
209 	reset_control_assert(hdmi->rst_ctrl);  in sun8i_dw_hdmi_bind()
211 	regulator_disable(hdmi->regulator);  in sun8i_dw_hdmi_bind()
219 	struct sun8i_dw_hdmi *hdmi = dev_get_drvdata(dev);  in sun8i_dw_hdmi_unbind()  local
221 	dw_hdmi_unbind(hdmi->hdmi);  in sun8i_dw_hdmi_unbind()
222 	sun8i_hdmi_phy_deinit(hdmi->phy);  in sun8i_dw_hdmi_unbind()
223 	clk_disable_unprepare(hdmi->clk_tmds);  in sun8i_dw_hdmi_unbind()
224 	reset_control_assert(hdmi->rst_ctrl);  in sun8i_dw_hdmi_unbind()
225 	regulator_disable(hdmi->regulator);  in sun8i_dw_hdmi_unbind()
235 	return component_add(&pdev->dev, &sun8i_dw_hdmi_ops);  in sun8i_dw_hdmi_probe()
240 	component_del(&pdev->dev, &sun8i_dw_hdmi_ops);  in sun8i_dw_hdmi_remove()
254 		.compatible = "allwinner,sun8i-a83t-dw-hdmi",
258 		.compatible = "allwinner,sun50i-h6-dw-hdmi",
269 		.name = "sun8i-dw-hdmi",
301 MODULE_DESCRIPTION("Allwinner DW HDMI bridge");