50 	struct sun4i_csi *csi = container_of(notifier, struct sun4i_csi,  in sun4i_csi_notify_bound()  local
53 	csi->src_subdev = subdev;  in sun4i_csi_notify_bound()
54 	csi->src_pad = media_entity_get_fwnode_pad(&subdev->entity,  in sun4i_csi_notify_bound()
57 	if (csi->src_pad < 0) {  in sun4i_csi_notify_bound()
58 		dev_err(csi->dev, "Couldn't find output pad for subdev %s\n",  in sun4i_csi_notify_bound()
60 		return csi->src_pad;  in sun4i_csi_notify_bound()
63 	dev_dbg(csi->dev, "Bound %s pad: %d\n", subdev->name, csi->src_pad);  in sun4i_csi_notify_bound()
69 	struct sun4i_csi *csi = container_of(notifier, struct sun4i_csi,  in sun4i_csi_notify_complete()  local
71 	struct v4l2_subdev *subdev = &csi->subdev;  in sun4i_csi_notify_complete()
72 	struct video_device *vdev = &csi->vdev;  in sun4i_csi_notify_complete()
75 	ret = v4l2_device_register_subdev(&csi->v4l, subdev);  in sun4i_csi_notify_complete()
79 	ret = sun4i_csi_v4l2_register(csi);  in sun4i_csi_notify_complete()
83 	ret = media_device_register(&csi->mdev);  in sun4i_csi_notify_complete()
95 	ret = media_create_pad_link(&csi->src_subdev->entity, csi->src_pad,  in sun4i_csi_notify_complete()
102 	ret = v4l2_device_register_subdev_nodes(&csi->v4l);  in sun4i_csi_notify_complete()
109 	media_device_unregister(&csi->mdev);  in sun4i_csi_notify_complete()
119 static int sun4i_csi_notifier_init(struct sun4i_csi *csi)  in sun4i_csi_notifier_init()  argument
128 	v4l2_async_nf_init(&csi->notifier, &csi->v4l);  in sun4i_csi_notifier_init()
130 	ep = fwnode_graph_get_endpoint_by_id(dev_fwnode(csi->dev), 0, 0,  in sun4i_csi_notifier_init()
139 	csi->bus = vep.bus.parallel;  in sun4i_csi_notifier_init()
141 	asd = v4l2_async_nf_add_fwnode_remote(&csi->notifier, ep,  in sun4i_csi_notifier_init()
148 	csi->notifier.ops = &sun4i_csi_notify_ops;  in sun4i_csi_notifier_init()
159 	struct sun4i_csi *csi;  in sun4i_csi_probe()  local
163 	csi = devm_kzalloc(&pdev->dev, sizeof(*csi), GFP_KERNEL);  in sun4i_csi_probe()
164 	if (!csi)  in sun4i_csi_probe()
166 	platform_set_drvdata(pdev, csi);  in sun4i_csi_probe()
167 	csi->dev = &pdev->dev;  in sun4i_csi_probe()
168 	subdev = &csi->subdev;  in sun4i_csi_probe()
169 	vdev = &csi->vdev;  in sun4i_csi_probe()
171 	csi->traits = of_device_get_match_data(&pdev->dev);  in sun4i_csi_probe()
172 	if (!csi->traits)  in sun4i_csi_probe()
175 	csi->mdev.dev = csi->dev;  in sun4i_csi_probe()
176 	strscpy(csi->mdev.model, "Allwinner Video Capture Device",  in sun4i_csi_probe()
177 		sizeof(csi->mdev.model));  in sun4i_csi_probe()
178 	csi->mdev.hw_revision = 0;  in sun4i_csi_probe()
179 	media_device_init(&csi->mdev);  in sun4i_csi_probe()
180 	csi->v4l.mdev = &csi->mdev;  in sun4i_csi_probe()
182 	csi->regs = devm_platform_ioremap_resource(pdev, 0);  in sun4i_csi_probe()
183 	if (IS_ERR(csi->regs))  in sun4i_csi_probe()
184 		return PTR_ERR(csi->regs);  in sun4i_csi_probe()
190 	csi->bus_clk = devm_clk_get(&pdev->dev, "bus");  in sun4i_csi_probe()
191 	if (IS_ERR(csi->bus_clk)) {  in sun4i_csi_probe()
193 		return PTR_ERR(csi->bus_clk);  in sun4i_csi_probe()
196 	if (csi->traits->has_isp) {  in sun4i_csi_probe()
197 		csi->isp_clk = devm_clk_get(&pdev->dev, "isp");  in sun4i_csi_probe()
198 		if (IS_ERR(csi->isp_clk)) {  in sun4i_csi_probe()
200 			return PTR_ERR(csi->isp_clk);  in sun4i_csi_probe()
204 	csi->ram_clk = devm_clk_get(&pdev->dev, "ram");  in sun4i_csi_probe()
205 	if (IS_ERR(csi->ram_clk)) {  in sun4i_csi_probe()
207 		return PTR_ERR(csi->ram_clk);  in sun4i_csi_probe()
210 	csi->rst = devm_reset_control_get(&pdev->dev, NULL);  in sun4i_csi_probe()
211 	if (IS_ERR(csi->rst)) {  in sun4i_csi_probe()
213 		return PTR_ERR(csi->rst);  in sun4i_csi_probe()
222 	snprintf(subdev->name, sizeof(subdev->name), "sun4i-csi-0");  in sun4i_csi_probe()
223 	v4l2_set_subdevdata(subdev, csi);  in sun4i_csi_probe()
225 	csi->subdev_pads[CSI_SUBDEV_SINK].flags =  in sun4i_csi_probe()
227 	csi->subdev_pads[CSI_SUBDEV_SOURCE].flags = MEDIA_PAD_FL_SOURCE;  in sun4i_csi_probe()
229 				     csi->subdev_pads);  in sun4i_csi_probe()
233 	csi->vdev_pad.flags = MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_MUST_CONNECT;  in sun4i_csi_probe()
235 	ret = media_entity_pads_init(&vdev->entity, 1, &csi->vdev_pad);  in sun4i_csi_probe()
239 	ret = sun4i_csi_dma_register(csi, irq);  in sun4i_csi_probe()
243 	ret = sun4i_csi_notifier_init(csi);  in sun4i_csi_probe()
247 	ret = v4l2_async_nf_register(&csi->notifier);  in sun4i_csi_probe()
249 		dev_err(csi->dev, "Couldn't register our notifier.\n");  in sun4i_csi_probe()
258 	media_device_unregister(&csi->mdev);  in sun4i_csi_probe()
259 	sun4i_csi_dma_unregister(csi);  in sun4i_csi_probe()
262 	media_device_cleanup(&csi->mdev);  in sun4i_csi_probe()
269 	struct sun4i_csi *csi = platform_get_drvdata(pdev);  in sun4i_csi_remove()  local
272 	v4l2_async_nf_unregister(&csi->notifier);  in sun4i_csi_remove()
273 	v4l2_async_nf_cleanup(&csi->notifier);  in sun4i_csi_remove()
274 	vb2_video_unregister_device(&csi->vdev);  in sun4i_csi_remove()
275 	media_device_unregister(&csi->mdev);  in sun4i_csi_remove()
276 	sun4i_csi_dma_unregister(csi);  in sun4i_csi_remove()
277 	media_device_cleanup(&csi->mdev);  in sun4i_csi_remove()
301 	struct sun4i_csi *csi = dev_get_drvdata(dev);  in sun4i_csi_runtime_resume()  local
303 	reset_control_deassert(csi->rst);  in sun4i_csi_runtime_resume()
304 	clk_prepare_enable(csi->bus_clk);  in sun4i_csi_runtime_resume()
305 	clk_prepare_enable(csi->ram_clk);  in sun4i_csi_runtime_resume()
306 	clk_set_rate(csi->isp_clk, 80000000);  in sun4i_csi_runtime_resume()
307 	clk_prepare_enable(csi->isp_clk);  in sun4i_csi_runtime_resume()
309 	writel(1, csi->regs + CSI_EN_REG);  in sun4i_csi_runtime_resume()
316 	struct sun4i_csi *csi = dev_get_drvdata(dev);  in sun4i_csi_runtime_suspend()  local
318 	clk_disable_unprepare(csi->isp_clk);  in sun4i_csi_runtime_suspend()
319 	clk_disable_unprepare(csi->ram_clk);  in sun4i_csi_runtime_suspend()
320 	clk_disable_unprepare(csi->bus_clk);  in sun4i_csi_runtime_suspend()
322 	reset_control_assert(csi->rst);  in sun4i_csi_runtime_suspend()
337 		.name		= "sun4i-csi",