1 // SPDX-License-Identifier: GPL-2.0-only
6 #include "dsi.h"
11 	unsigned long host_flags = msm_dsi_host_get_mode_flags(msm_dsi->host);  in msm_dsi_is_cmd_mode()
18 	return msm_dsi_host_get_dsc_config(msm_dsi->host);  in msm_dsi_get_dsc_config()
23 	struct platform_device *pdev = msm_dsi->pdev;  in dsi_get_phy()
27 	phy_node = of_parse_phandle(pdev->dev.of_node, "phys", 0);  in dsi_get_phy()
29 		DRM_DEV_ERROR(&pdev->dev, "cannot find phy device\n");  in dsi_get_phy()
30 		return -ENXIO;  in dsi_get_phy()
35 		msm_dsi->phy = platform_get_drvdata(phy_pdev);  in dsi_get_phy()
36 		msm_dsi->phy_dev = &phy_pdev->dev;  in dsi_get_phy()
42 		DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__);  in dsi_get_phy()
43 		return -EPROBE_DEFER;  in dsi_get_phy()
45 	if (!msm_dsi->phy) {  in dsi_get_phy()
46 		put_device(&phy_pdev->dev);  in dsi_get_phy()
47 		DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__);  in dsi_get_phy()
48 		return -EPROBE_DEFER;  in dsi_get_phy()
61 	if (msm_dsi->phy_dev) {  in dsi_destroy()
62 		put_device(msm_dsi->phy_dev);  in dsi_destroy()
63 		msm_dsi->phy = NULL;  in dsi_destroy()
64 		msm_dsi->phy_dev = NULL;  in dsi_destroy()
67 	if (msm_dsi->host) {  in dsi_destroy()
68 		msm_dsi_host_destroy(msm_dsi->host);  in dsi_destroy()
69 		msm_dsi->host = NULL;  in dsi_destroy()
72 	platform_set_drvdata(msm_dsi->pdev, NULL);  in dsi_destroy()
81 		return ERR_PTR(-ENXIO);  in dsi_init()
83 	msm_dsi = devm_kzalloc(&pdev->dev, sizeof(*msm_dsi), GFP_KERNEL);  in dsi_init()
85 		return ERR_PTR(-ENOMEM);  in dsi_init()
86 	DBG("dsi probed=%p", msm_dsi);  in dsi_init()
88 	msm_dsi->id = -1;  in dsi_init()
89 	msm_dsi->pdev = pdev;  in dsi_init()
92 	/* Init dsi host */  in dsi_init()
97 	/* GET dsi PHY */  in dsi_init()
102 	/* Register to dsi manager */  in dsi_init()
119 	priv->dsi[msm_dsi->id] = msm_dsi;  in dsi_bind()
130 	priv->dsi[msm_dsi->id] = NULL;  in dsi_unbind()
140 	return component_add(&pdev->dev, &dsi_ops);  in dsi_dev_attach()
145 	component_del(&pdev->dev, &dsi_ops);  in dsi_dev_detach()
155 		/* Don't fail the bind if the dsi port is not connected */  in dsi_dev_probe()
156 		if (PTR_ERR(msm_dsi) == -ENODEV)  in dsi_dev_probe()
176 	{ .compatible = "qcom,mdss-dsi-ctrl", .data = NULL /* autodetect cfg */ },
177 	{ .compatible = "qcom,dsi-ctrl-6g-qcm2290", .data = &qcm2290_dsi_cfg_handler },
218 		return -EINVAL;  in msm_dsi_modeset_init()
220 	priv = dev->dev_private;  in msm_dsi_modeset_init()
222 	if (priv->num_bridges == ARRAY_SIZE(priv->bridges)) {  in msm_dsi_modeset_init()
223 		DRM_DEV_ERROR(dev->dev, "too many bridges\n");  in msm_dsi_modeset_init()
224 		return -ENOSPC;  in msm_dsi_modeset_init()
227 	msm_dsi->dev = dev;  in msm_dsi_modeset_init()
229 	ret = msm_dsi_host_modeset_init(msm_dsi->host, dev);  in msm_dsi_modeset_init()
231 		DRM_DEV_ERROR(dev->dev, "failed to modeset init host: %d\n", ret);  in msm_dsi_modeset_init()
239 		 * Just skip creating encoder/connector for the slave-DSI.  in msm_dsi_modeset_init()
244 	msm_dsi->encoder = encoder;  in msm_dsi_modeset_init()
246 	msm_dsi->bridge = msm_dsi_manager_bridge_init(msm_dsi->id);  in msm_dsi_modeset_init()
247 	if (IS_ERR(msm_dsi->bridge)) {  in msm_dsi_modeset_init()
248 		ret = PTR_ERR(msm_dsi->bridge);  in msm_dsi_modeset_init()
249 		DRM_DEV_ERROR(dev->dev, "failed to create dsi bridge: %d\n", ret);  in msm_dsi_modeset_init()
250 		msm_dsi->bridge = NULL;  in msm_dsi_modeset_init()
254 	ret = msm_dsi_manager_ext_bridge_init(msm_dsi->id);  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()
261 	priv->bridges[priv->num_bridges++]       = msm_dsi->bridge;  in msm_dsi_modeset_init()
266 	if (msm_dsi->bridge) {  in msm_dsi_modeset_init()
267 		msm_dsi_manager_bridge_destroy(msm_dsi->bridge);  in msm_dsi_modeset_init()
268 		msm_dsi->bridge = NULL;  in msm_dsi_modeset_init()
276 	msm_dsi_host_snapshot(disp_state, msm_dsi->host);  in msm_dsi_snapshot()
277 	msm_dsi_phy_snapshot(disp_state, msm_dsi->phy);  in msm_dsi_snapshot()