1 // SPDX-License-Identifier: GPL-2.0-only
6 #include "dsi.h"
13 	return msm_dsi->encoder;  in msm_dsi_get_encoder()
18 	unsigned long host_flags = msm_dsi_host_get_mode_flags(msm_dsi->host);  in msm_dsi_is_cmd_mode()
25 	struct platform_device *pdev = msm_dsi->pdev;  in dsi_get_phy()
29 	phy_node = of_parse_phandle(pdev->dev.of_node, "phys", 0);  in dsi_get_phy()
31 		DRM_DEV_ERROR(&pdev->dev, "cannot find phy device\n");  in dsi_get_phy()
32 		return -ENXIO;  in dsi_get_phy()
37 		msm_dsi->phy = platform_get_drvdata(phy_pdev);  in dsi_get_phy()
38 		msm_dsi->phy_dev = &phy_pdev->dev;  in dsi_get_phy()
43 	if (!phy_pdev || !msm_dsi->phy) {  in dsi_get_phy()
44 		DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__);  in dsi_get_phy()
45 		return -EPROBE_DEFER;  in dsi_get_phy()
58 	if (msm_dsi->phy_dev) {  in dsi_destroy()
59 		put_device(msm_dsi->phy_dev);  in dsi_destroy()
60 		msm_dsi->phy = NULL;  in dsi_destroy()
61 		msm_dsi->phy_dev = NULL;  in dsi_destroy()
64 	if (msm_dsi->host) {  in dsi_destroy()
65 		msm_dsi_host_destroy(msm_dsi->host);  in dsi_destroy()
66 		msm_dsi->host = NULL;  in dsi_destroy()
69 	platform_set_drvdata(msm_dsi->pdev, NULL);  in dsi_destroy()
78 		return ERR_PTR(-ENXIO);  in dsi_init()
80 	msm_dsi = devm_kzalloc(&pdev->dev, sizeof(*msm_dsi), GFP_KERNEL);  in dsi_init()
82 		return ERR_PTR(-ENOMEM);  in dsi_init()
83 	DBG("dsi probed=%p", msm_dsi);  in dsi_init()
85 	msm_dsi->id = -1;  in dsi_init()
86 	msm_dsi->pdev = pdev;  in dsi_init()
89 	/* Init dsi host */  in dsi_init()
94 	/* GET dsi PHY */  in dsi_init()
99 	/* Register to dsi manager */  in dsi_init()
114 	struct msm_drm_private *priv = drm->dev_private;  in dsi_bind()
121 		/* Don't fail the bind if the dsi port is not connected */  in dsi_bind()
122 		if (PTR_ERR(msm_dsi) == -ENODEV)  in dsi_bind()
128 	priv->dsi[msm_dsi->id] = msm_dsi;  in dsi_bind()
137 	struct msm_drm_private *priv = drm->dev_private;  in dsi_unbind()
139 	int id = msm_dsi->id;  in dsi_unbind()
141 	if (priv->dsi[id]) {  in dsi_unbind()
143 		priv->dsi[id] = NULL;  in dsi_unbind()
154 	return component_add(&pdev->dev, &dsi_ops);  in dsi_dev_probe()
160 	component_del(&pdev->dev, &dsi_ops);  in dsi_dev_remove()
165 	{ .compatible = "qcom,mdss-dsi-ctrl" },
207 		return -EINVAL;  in msm_dsi_modeset_init()
209 	priv = dev->dev_private;  in msm_dsi_modeset_init()
210 	msm_dsi->dev = dev;  in msm_dsi_modeset_init()
212 	ret = msm_dsi_host_modeset_init(msm_dsi->host, dev);  in msm_dsi_modeset_init()
214 		DRM_DEV_ERROR(dev->dev, "failed to modeset init host: %d\n", ret);  in msm_dsi_modeset_init()
218 	if (!msm_dsi_manager_validate_current_config(msm_dsi->id)) {  in msm_dsi_modeset_init()
219 		ret = -EINVAL;  in msm_dsi_modeset_init()
223 	msm_dsi->encoder = encoder;  in msm_dsi_modeset_init()
225 	msm_dsi->bridge = msm_dsi_manager_bridge_init(msm_dsi->id);  in msm_dsi_modeset_init()
226 	if (IS_ERR(msm_dsi->bridge)) {  in msm_dsi_modeset_init()
227 		ret = PTR_ERR(msm_dsi->bridge);  in msm_dsi_modeset_init()
228 		DRM_DEV_ERROR(dev->dev, "failed to create dsi bridge: %d\n", ret);  in msm_dsi_modeset_init()
229 		msm_dsi->bridge = NULL;  in msm_dsi_modeset_init()
234 	 * check if the dsi encoder output is connected to a panel or an  in msm_dsi_modeset_init()
239 	ext_bridge = msm_dsi_host_get_bridge(msm_dsi->host);  in msm_dsi_modeset_init()
242 		msm_dsi->connector =  in msm_dsi_modeset_init()
243 			msm_dsi_manager_ext_bridge_init(msm_dsi->id);  in msm_dsi_modeset_init()
245 		msm_dsi->connector =  in msm_dsi_modeset_init()
246 			msm_dsi_manager_connector_init(msm_dsi->id);  in msm_dsi_modeset_init()
248 	if (IS_ERR(msm_dsi->connector)) {  in msm_dsi_modeset_init()
249 		ret = PTR_ERR(msm_dsi->connector);  in msm_dsi_modeset_init()
250 		DRM_DEV_ERROR(dev->dev,  in msm_dsi_modeset_init()
251 			"failed to create dsi connector: %d\n", ret);  in msm_dsi_modeset_init()
252 		msm_dsi->connector = NULL;  in msm_dsi_modeset_init()
256 	priv->bridges[priv->num_bridges++]       = msm_dsi->bridge;  in msm_dsi_modeset_init()
257 	priv->connectors[priv->num_connectors++] = msm_dsi->connector;  in msm_dsi_modeset_init()
262 	if (msm_dsi->bridge) {  in msm_dsi_modeset_init()
263 		msm_dsi_manager_bridge_destroy(msm_dsi->bridge);  in msm_dsi_modeset_init()
264 		msm_dsi->bridge = NULL;  in msm_dsi_modeset_init()
268 	if (msm_dsi->connector && !msm_dsi->external_bridge)  in msm_dsi_modeset_init()
269 		msm_dsi->connector->funcs->destroy(msm_dsi->connector);  in msm_dsi_modeset_init()
271 	msm_dsi->connector = NULL;  in msm_dsi_modeset_init()
278 	msm_dsi_host_snapshot(disp_state, msm_dsi->host);  in msm_dsi_snapshot()
279 	msm_dsi_phy_snapshot(disp_state, msm_dsi->phy);  in msm_dsi_snapshot()