dsi.c (3a55445f11e6b1dbdc1e7f2684a519089d2e163c) dsi.c (8f59ee9a570c2e9dec2b934d924264a64230d5d0)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
4 */
5
6#include "dsi.h"
7
8struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi)

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107 dsi_destroy(msm_dsi);
108 return ERR_PTR(ret);
109}
110
111static int dsi_bind(struct device *dev, struct device *master, void *data)
112{
113 struct drm_device *drm = dev_get_drvdata(master);
114 struct msm_drm_private *priv = drm->dev_private;
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
4 */
5
6#include "dsi.h"
7
8struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi)

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107 dsi_destroy(msm_dsi);
108 return ERR_PTR(ret);
109}
110
111static int dsi_bind(struct device *dev, struct device *master, void *data)
112{
113 struct drm_device *drm = dev_get_drvdata(master);
114 struct msm_drm_private *priv = drm->dev_private;
115 struct platform_device *pdev = to_platform_device(dev);
116 struct msm_dsi *msm_dsi;
115 struct msm_dsi *msm_dsi = dev_get_drvdata(dev);
117
116
118 DBG("");
119 msm_dsi = dsi_init(pdev);
120 if (IS_ERR(msm_dsi)) {
121 /* Don't fail the bind if the dsi port is not connected */
122 if (PTR_ERR(msm_dsi) == -ENODEV)
123 return 0;
124 else
125 return PTR_ERR(msm_dsi);
126 }
127
128 priv->dsi[msm_dsi->id] = msm_dsi;
129
130 return 0;
131}
132
133static void dsi_unbind(struct device *dev, struct device *master,
134 void *data)
135{
136 struct drm_device *drm = dev_get_drvdata(master);
137 struct msm_drm_private *priv = drm->dev_private;
138 struct msm_dsi *msm_dsi = dev_get_drvdata(dev);
117 priv->dsi[msm_dsi->id] = msm_dsi;
118
119 return 0;
120}
121
122static void dsi_unbind(struct device *dev, struct device *master,
123 void *data)
124{
125 struct drm_device *drm = dev_get_drvdata(master);
126 struct msm_drm_private *priv = drm->dev_private;
127 struct msm_dsi *msm_dsi = dev_get_drvdata(dev);
139 int id = msm_dsi->id;
140
128
141 if (priv->dsi[id]) {
142 dsi_destroy(msm_dsi);
143 priv->dsi[id] = NULL;
144 }
129 priv->dsi[msm_dsi->id] = NULL;
145}
146
147static const struct component_ops dsi_ops = {
148 .bind = dsi_bind,
149 .unbind = dsi_unbind,
150};
151
130}
131
132static const struct component_ops dsi_ops = {
133 .bind = dsi_bind,
134 .unbind = dsi_unbind,
135};
136
152static int dsi_dev_probe(struct platform_device *pdev)
137int dsi_dev_attach(struct platform_device *pdev)
153{
154 return component_add(&pdev->dev, &dsi_ops);
155}
156
138{
139 return component_add(&pdev->dev, &dsi_ops);
140}
141
142void dsi_dev_detach(struct platform_device *pdev)
143{
144 component_del(&pdev->dev, &dsi_ops);
145}
146
147static int dsi_dev_probe(struct platform_device *pdev)
148{
149 struct msm_dsi *msm_dsi;
150
151 DBG("");
152 msm_dsi = dsi_init(pdev);
153 if (IS_ERR(msm_dsi)) {
154 /* Don't fail the bind if the dsi port is not connected */
155 if (PTR_ERR(msm_dsi) == -ENODEV)
156 return 0;
157 else
158 return PTR_ERR(msm_dsi);
159 }
160
161 return 0;
162}
163
157static int dsi_dev_remove(struct platform_device *pdev)
158{
164static int dsi_dev_remove(struct platform_device *pdev)
165{
166 struct msm_dsi *msm_dsi = platform_get_drvdata(pdev);
167
159 DBG("");
168 DBG("");
160 component_del(&pdev->dev, &dsi_ops);
169 dsi_destroy(msm_dsi);
170
161 return 0;
162}
163
164static const struct of_device_id dt_match[] = {
165 { .compatible = "qcom,mdss-dsi-ctrl" },
166 {}
167};
168

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210 msm_dsi->dev = dev;
211
212 ret = msm_dsi_host_modeset_init(msm_dsi->host, dev);
213 if (ret) {
214 DRM_DEV_ERROR(dev->dev, "failed to modeset init host: %d\n", ret);
215 goto fail;
216 }
217
171 return 0;
172}
173
174static const struct of_device_id dt_match[] = {
175 { .compatible = "qcom,mdss-dsi-ctrl" },
176 {}
177};
178

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220 msm_dsi->dev = dev;
221
222 ret = msm_dsi_host_modeset_init(msm_dsi->host, dev);
223 if (ret) {
224 DRM_DEV_ERROR(dev->dev, "failed to modeset init host: %d\n", ret);
225 goto fail;
226 }
227
218 if (!msm_dsi_manager_validate_current_config(msm_dsi->id)) {
219 ret = -EINVAL;
228 if (!msm_dsi_manager_validate_current_config(msm_dsi->id))
220 goto fail;
229 goto fail;
221 }
222
223 msm_dsi->encoder = encoder;
224
225 msm_dsi->bridge = msm_dsi_manager_bridge_init(msm_dsi->id);
226 if (IS_ERR(msm_dsi->bridge)) {
227 ret = PTR_ERR(msm_dsi->bridge);
228 DRM_DEV_ERROR(dev->dev, "failed to create dsi bridge: %d\n", ret);
229 msm_dsi->bridge = NULL;

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231 msm_dsi->encoder = encoder;
232
233 msm_dsi->bridge = msm_dsi_manager_bridge_init(msm_dsi->id);
234 if (IS_ERR(msm_dsi->bridge)) {
235 ret = PTR_ERR(msm_dsi->bridge);
236 DRM_DEV_ERROR(dev->dev, "failed to create dsi bridge: %d\n", ret);
237 msm_dsi->bridge = NULL;

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