1 // SPDX-License-Identifier: GPL-2.0-or-later
38 /* need to be unset if hdmi or i2c should control voltage */
60  * struct rockchip_hdmi_chip_data - splite the grf setting of kind of chips
62  * @lcdsel_big: reg value of selecting vop big for HDMI
63  * @lcdsel_lit: reg value of selecting vop little for HDMI
81 	struct dw_hdmi *hdmi;  member
209 static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)  in rockchip_hdmi_parse_dt()  argument
211 	struct device_node *np = hdmi->dev->of_node;  in rockchip_hdmi_parse_dt()
214 	hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");  in rockchip_hdmi_parse_dt()
215 	if (IS_ERR(hdmi->regmap)) {  in rockchip_hdmi_parse_dt()
216 		drm_err(hdmi, "Unable to get rockchip,grf\n");  in rockchip_hdmi_parse_dt()
217 		return PTR_ERR(hdmi->regmap);  in rockchip_hdmi_parse_dt()
220 	hdmi->ref_clk = devm_clk_get_optional_enabled(hdmi->dev, "ref");  in rockchip_hdmi_parse_dt()
221 	if (!hdmi->ref_clk)  in rockchip_hdmi_parse_dt()
222 		hdmi->ref_clk = devm_clk_get_optional_enabled(hdmi->dev, "vpll");  in rockchip_hdmi_parse_dt()
224 	if (IS_ERR(hdmi->ref_clk)) {  in rockchip_hdmi_parse_dt()
225 		ret = PTR_ERR(hdmi->ref_clk);  in rockchip_hdmi_parse_dt()
226 		if (ret != -EPROBE_DEFER)  in rockchip_hdmi_parse_dt()
227 			drm_err(hdmi, "failed to get reference clock\n");  in rockchip_hdmi_parse_dt()
231 	hdmi->grf_clk = devm_clk_get_optional(hdmi->dev, "grf");  in rockchip_hdmi_parse_dt()
232 	if (IS_ERR(hdmi->grf_clk)) {  in rockchip_hdmi_parse_dt()
233 		ret = PTR_ERR(hdmi->grf_clk);  in rockchip_hdmi_parse_dt()
234 		if (ret != -EPROBE_DEFER)  in rockchip_hdmi_parse_dt()
235 			drm_err(hdmi, "failed to get grf clock\n");  in rockchip_hdmi_parse_dt()
239 	ret = devm_regulator_get_enable(hdmi->dev, "avdd-0v9");  in rockchip_hdmi_parse_dt()
243 	ret = devm_regulator_get_enable(hdmi->dev, "avdd-1v8");  in rockchip_hdmi_parse_dt()
253 	struct rockchip_hdmi *hdmi = data;  in dw_hdmi_rockchip_mode_valid()  local
255 	int pclk = mode->clock * 1000;  in dw_hdmi_rockchip_mode_valid()
256 	bool exact_match = hdmi->plat_data->phy_force_vendor;  in dw_hdmi_rockchip_mode_valid()
259 	if (hdmi->chip_data->max_tmds_clock &&  in dw_hdmi_rockchip_mode_valid()
260 	    mode->clock > hdmi->chip_data->max_tmds_clock)  in dw_hdmi_rockchip_mode_valid()
263 	if (hdmi->ref_clk) {  in dw_hdmi_rockchip_mode_valid()
264 		int rpclk = clk_round_rate(hdmi->ref_clk, pclk);  in dw_hdmi_rockchip_mode_valid()
266 		if (abs(rpclk - pclk) > pclk / 1000)  in dw_hdmi_rockchip_mode_valid()
304 	struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder);  in dw_hdmi_rockchip_encoder_mode_set()  local
306 	clk_set_rate(hdmi->ref_clk, adj_mode->clock * 1000);  in dw_hdmi_rockchip_encoder_mode_set()
311 	struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder);  in dw_hdmi_rockchip_encoder_enable()  local
315 	if (hdmi->chip_data->lcdsel_grf_reg < 0)  in dw_hdmi_rockchip_encoder_enable()
318 	ret = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder);  in dw_hdmi_rockchip_encoder_enable()
320 		val = hdmi->chip_data->lcdsel_lit;  in dw_hdmi_rockchip_encoder_enable()
322 		val = hdmi->chip_data->lcdsel_big;  in dw_hdmi_rockchip_encoder_enable()
324 	ret = clk_prepare_enable(hdmi->grf_clk);  in dw_hdmi_rockchip_encoder_enable()
326 		drm_err(hdmi, "failed to enable grfclk %d\n", ret);  in dw_hdmi_rockchip_encoder_enable()
330 	ret = regmap_write(hdmi->regmap, hdmi->chip_data->lcdsel_grf_reg, val);  in dw_hdmi_rockchip_encoder_enable()
332 		drm_err(hdmi, "Could not write to GRF: %d\n", ret);  in dw_hdmi_rockchip_encoder_enable()
334 	clk_disable_unprepare(hdmi->grf_clk);  in dw_hdmi_rockchip_encoder_enable()
335 	drm_dbg(hdmi, "vop %s output to hdmi\n", ret ? "LIT" : "BIG");  in dw_hdmi_rockchip_encoder_enable()
345 	s->output_mode = ROCKCHIP_OUT_MODE_AAAA;  in dw_hdmi_rockchip_encoder_atomic_check()
346 	s->output_type = DRM_MODE_CONNECTOR_HDMIA;  in dw_hdmi_rockchip_encoder_atomic_check()
363 	struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;  in dw_hdmi_rockchip_genphy_init()  local
367 	return phy_power_on(hdmi->phy);  in dw_hdmi_rockchip_genphy_init()
372 	struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;  in dw_hdmi_rockchip_genphy_disable()  local
374 	phy_power_off(hdmi->phy);  in dw_hdmi_rockchip_genphy_disable()
379 	struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;  in dw_hdmi_rk3228_setup_hpd()  local
383 	regmap_write(hdmi->regmap,  in dw_hdmi_rk3228_setup_hpd()
390 	regmap_write(hdmi->regmap,  in dw_hdmi_rk3228_setup_hpd()
399 	struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;  in dw_hdmi_rk3328_read_hpd()  local
405 		regmap_write(hdmi->regmap,  in dw_hdmi_rk3328_read_hpd()
410 		regmap_write(hdmi->regmap,  in dw_hdmi_rk3328_read_hpd()
419 	struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;  in dw_hdmi_rk3328_setup_hpd()  local
423 	/* Enable and map pins to 3V grf-controlled io-voltage */  in dw_hdmi_rk3328_setup_hpd()
424 	regmap_write(hdmi->regmap,  in dw_hdmi_rk3328_setup_hpd()
429 	regmap_write(hdmi->regmap,  in dw_hdmi_rk3328_setup_hpd()
434 	regmap_write(hdmi->regmap,  in dw_hdmi_rk3328_setup_hpd()
452 	.lcdsel_grf_reg = -1,
488 	.lcdsel_grf_reg = -1,
518 	.lcdsel_grf_reg = -1,
532 	{ .compatible = "rockchip,rk3228-dw-hdmi",
535 	{ .compatible = "rockchip,rk3288-dw-hdmi",
538 	{ .compatible = "rockchip,rk3328-dw-hdmi",
541 	{ .compatible = "rockchip,rk3399-dw-hdmi",
544 	{ .compatible = "rockchip,rk3568-dw-hdmi",
559 	struct rockchip_hdmi *hdmi;  in dw_hdmi_rockchip_bind()  local
562 	if (!pdev->dev.of_node)  in dw_hdmi_rockchip_bind()
563 		return -ENODEV;  in dw_hdmi_rockchip_bind()
565 	hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);  in dw_hdmi_rockchip_bind()
566 	if (!hdmi)  in dw_hdmi_rockchip_bind()
567 		return -ENOMEM;  in dw_hdmi_rockchip_bind()
569 	match = of_match_node(dw_hdmi_rockchip_dt_ids, pdev->dev.of_node);  in dw_hdmi_rockchip_bind()
570 	plat_data = devm_kmemdup(&pdev->dev, match->data,  in dw_hdmi_rockchip_bind()
573 		return -ENOMEM;  in dw_hdmi_rockchip_bind()
575 	hdmi->dev = &pdev->dev;  in dw_hdmi_rockchip_bind()
576 	hdmi->plat_data = plat_data;  in dw_hdmi_rockchip_bind()
577 	hdmi->chip_data = plat_data->phy_data;  in dw_hdmi_rockchip_bind()
578 	plat_data->phy_data = hdmi;  in dw_hdmi_rockchip_bind()
579 	plat_data->priv_data = hdmi;  in dw_hdmi_rockchip_bind()
580 	encoder = &hdmi->encoder.encoder;  in dw_hdmi_rockchip_bind()
582 	encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);  in dw_hdmi_rockchip_bind()
583 	rockchip_drm_encoder_set_crtc_endpoint_id(&hdmi->encoder,  in dw_hdmi_rockchip_bind()
584 						  dev->of_node, 0, 0);  in dw_hdmi_rockchip_bind()
592 	if (encoder->possible_crtcs == 0)  in dw_hdmi_rockchip_bind()
593 		return -EPROBE_DEFER;  in dw_hdmi_rockchip_bind()
595 	ret = rockchip_hdmi_parse_dt(hdmi);  in dw_hdmi_rockchip_bind()
597 		if (ret != -EPROBE_DEFER)  in dw_hdmi_rockchip_bind()
598 			drm_err(hdmi, "Unable to parse OF data\n");  in dw_hdmi_rockchip_bind()
602 	hdmi->phy = devm_phy_optional_get(dev, "hdmi");  in dw_hdmi_rockchip_bind()
603 	if (IS_ERR(hdmi->phy)) {  in dw_hdmi_rockchip_bind()
604 		ret = PTR_ERR(hdmi->phy);  in dw_hdmi_rockchip_bind()
605 		if (ret != -EPROBE_DEFER)  in dw_hdmi_rockchip_bind()
606 			drm_err(hdmi, "failed to get phy\n");  in dw_hdmi_rockchip_bind()
610 	if (hdmi->chip_data == &rk3568_chip_data) {  in dw_hdmi_rockchip_bind()
611 		regmap_write(hdmi->regmap, RK3568_GRF_VO_CON1,  in dw_hdmi_rockchip_bind()
621 	platform_set_drvdata(pdev, hdmi);  in dw_hdmi_rockchip_bind()
623 	hdmi->hdmi = dw_hdmi_bind(pdev, encoder, plat_data);  in dw_hdmi_rockchip_bind()
629 	if (IS_ERR(hdmi->hdmi)) {  in dw_hdmi_rockchip_bind()
630 		ret = PTR_ERR(hdmi->hdmi);  in dw_hdmi_rockchip_bind()
645 	struct rockchip_hdmi *hdmi = dev_get_drvdata(dev);  in dw_hdmi_rockchip_unbind()  local
647 	dw_hdmi_unbind(hdmi->hdmi);  in dw_hdmi_rockchip_unbind()
648 	drm_encoder_cleanup(&hdmi->encoder.encoder);  in dw_hdmi_rockchip_unbind()
658 	return component_add(&pdev->dev, &dw_hdmi_rockchip_ops);  in dw_hdmi_rockchip_probe()
663 	component_del(&pdev->dev, &dw_hdmi_rockchip_ops);  in dw_hdmi_rockchip_remove()
668 	struct rockchip_hdmi *hdmi = dev_get_drvdata(dev);  in dw_hdmi_rockchip_resume()  local
670 	dw_hdmi_resume(hdmi->hdmi);  in dw_hdmi_rockchip_resume()
683 		.name = "dwhdmi-rockchip",