1 // SPDX-License-Identifier: GPL-2.0-only
6 #include "dsi.h"
10 	unsigned long host_flags = msm_dsi_host_get_mode_flags(msm_dsi->host);  in msm_dsi_is_cmd_mode()
17 	return msm_dsi_host_get_dsc_config(msm_dsi->host);  in msm_dsi_get_dsc_config()
22 	return msm_dsi_host_is_wide_bus_enabled(msm_dsi->host);  in msm_dsi_wide_bus_enabled()
27 	struct platform_device *pdev = msm_dsi->pdev;  in dsi_get_phy()
31 	phy_node = of_parse_phandle(pdev->dev.of_node, "phys", 0);  in dsi_get_phy()
33 		DRM_DEV_ERROR(&pdev->dev, "cannot find phy device\n");  in dsi_get_phy()
34 		return -ENXIO;  in dsi_get_phy()
39 		msm_dsi->phy = platform_get_drvdata(phy_pdev);  in dsi_get_phy()
40 		msm_dsi->phy_dev = &phy_pdev->dev;  in dsi_get_phy()
46 		DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__);  in dsi_get_phy()
47 		return -EPROBE_DEFER;  in dsi_get_phy()
49 	if (!msm_dsi->phy) {  in dsi_get_phy()
50 		put_device(&phy_pdev->dev);  in dsi_get_phy()
51 		DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__);  in dsi_get_phy()
52 		return -EPROBE_DEFER;  in dsi_get_phy()
65 	if (msm_dsi->phy_dev) {  in dsi_destroy()
66 		put_device(msm_dsi->phy_dev);  in dsi_destroy()
67 		msm_dsi->phy = NULL;  in dsi_destroy()
68 		msm_dsi->phy_dev = NULL;  in dsi_destroy()
71 	if (msm_dsi->host) {  in dsi_destroy()
72 		msm_dsi_host_destroy(msm_dsi->host);  in dsi_destroy()
73 		msm_dsi->host = NULL;  in dsi_destroy()
76 	platform_set_drvdata(msm_dsi->pdev, NULL);  in dsi_destroy()
85 		return ERR_PTR(-ENXIO);  in dsi_init()
87 	msm_dsi = devm_kzalloc(&pdev->dev, sizeof(*msm_dsi), GFP_KERNEL);  in dsi_init()
89 		return ERR_PTR(-ENOMEM);  in dsi_init()
90 	DBG("dsi probed=%p", msm_dsi);  in dsi_init()
92 	msm_dsi->id = -1;  in dsi_init()
93 	msm_dsi->pdev = pdev;  in dsi_init()
96 	/* Init dsi host */  in dsi_init()
101 	/* GET dsi PHY */  in dsi_init()
106 	/* Register to dsi manager */  in dsi_init()
124 	 * Next bridge doesn't exist for the secondary DSI host in a bonded  in dsi_bind()
131 		ext_bridge = devm_drm_of_get_bridge(&msm_dsi->pdev->dev,  in dsi_bind()
132 						    msm_dsi->pdev->dev.of_node, 1, 0);  in dsi_bind()
136 		msm_dsi->next_bridge = ext_bridge;  in dsi_bind()
139 	priv->dsi[msm_dsi->id] = msm_dsi;  in dsi_bind()
150 	msm_dsi_tx_buf_free(msm_dsi->host);  in dsi_unbind()
151 	priv->dsi[msm_dsi->id] = NULL;  in dsi_unbind()
161 	return component_add(&pdev->dev, &dsi_ops);  in dsi_dev_attach()
166 	component_del(&pdev->dev, &dsi_ops);  in dsi_dev_detach()
176 		/* Don't fail the bind if the dsi port is not connected */  in dsi_dev_probe()
177 		if (PTR_ERR(msm_dsi) == -ENODEV)  in dsi_dev_probe()
195 	{ .compatible = "qcom,mdss-dsi-ctrl" },
198 	{ .compatible = "qcom,dsi-ctrl-6g-qcm2290" },
237 	msm_dsi->dev = dev;  in msm_dsi_modeset_init()
239 	ret = msm_dsi_host_modeset_init(msm_dsi->host, dev);  in msm_dsi_modeset_init()
241 		DRM_DEV_ERROR(dev->dev, "failed to modeset init host: %d\n", ret);  in msm_dsi_modeset_init()
249 		 * Just skip creating encoder/connector for the slave-DSI.  in msm_dsi_modeset_init()
256 		DRM_DEV_ERROR(dev->dev,  in msm_dsi_modeset_init()
257 			"failed to create dsi connector: %d\n", ret);  in msm_dsi_modeset_init()
266 	msm_dsi_host_snapshot(disp_state, msm_dsi->host);  in msm_dsi_snapshot()
267 	msm_dsi_phy_snapshot(disp_state, msm_dsi->phy);  in msm_dsi_snapshot()