30 struct nvdec {  struct
43 static inline struct nvdec *to_nvdec(struct tegra_drm_client *client)  in to_nvdec()  argument
45 	return container_of(client, struct nvdec, client);  in to_nvdec()
48 static inline void nvdec_writel(struct nvdec *nvdec, u32 value,  in nvdec_writel()  argument
51 	writel(value, nvdec->regs + offset);  in nvdec_writel()
54 static int nvdec_boot(struct nvdec *nvdec)  in nvdec_boot()  argument
57 	struct iommu_fwspec *spec = dev_iommu_fwspec_get(nvdec->dev);  in nvdec_boot()
62 	if (nvdec->config->supports_sid && spec) {  in nvdec_boot()
66 		nvdec_writel(nvdec, value, VIC_TFBIF_TRANSCFG);  in nvdec_boot()
71 			nvdec_writel(nvdec, value, VIC_THI_STREAMID0);  in nvdec_boot()
72 			nvdec_writel(nvdec, value, VIC_THI_STREAMID1);  in nvdec_boot()
77 	err = falcon_boot(&nvdec->falcon);  in nvdec_boot()
81 	err = falcon_wait_idle(&nvdec->falcon);  in nvdec_boot()
83 		dev_err(nvdec->dev, "falcon boot timed out\n");  in nvdec_boot()
95 	struct nvdec *nvdec = to_nvdec(drm);  in nvdec_init()  local
100 		dev_err(nvdec->dev, "failed to attach to domain: %d\n", err);  in nvdec_init()
104 	nvdec->channel = host1x_channel_request(client);  in nvdec_init()
105 	if (!nvdec->channel) {  in nvdec_init()
138 	host1x_channel_put(nvdec->channel);  in nvdec_init()
150 	struct nvdec *nvdec = to_nvdec(drm);  in nvdec_exit()  local
164 	host1x_channel_put(nvdec->channel);  in nvdec_exit()
167 	nvdec->channel = NULL;  in nvdec_exit()
170 		dma_unmap_single(nvdec->dev, nvdec->falcon.firmware.phys,  in nvdec_exit()
171 				 nvdec->falcon.firmware.size, DMA_TO_DEVICE);  in nvdec_exit()
172 		tegra_drm_free(tegra, nvdec->falcon.firmware.size,  in nvdec_exit()
173 			       nvdec->falcon.firmware.virt,  in nvdec_exit()
174 			       nvdec->falcon.firmware.iova);  in nvdec_exit()
176 		dma_free_coherent(nvdec->dev, nvdec->falcon.firmware.size,  in nvdec_exit()
177 				  nvdec->falcon.firmware.virt,  in nvdec_exit()
178 				  nvdec->falcon.firmware.iova);  in nvdec_exit()
189 static int nvdec_load_firmware(struct nvdec *nvdec)  in nvdec_load_firmware()  argument
191 	struct host1x_client *client = &nvdec->client.base;  in nvdec_load_firmware()
192 	struct tegra_drm *tegra = nvdec->client.drm;  in nvdec_load_firmware()
198 	if (nvdec->falcon.firmware.virt)  in nvdec_load_firmware()
201 	err = falcon_read_firmware(&nvdec->falcon, nvdec->config->firmware);  in nvdec_load_firmware()
205 	size = nvdec->falcon.firmware.size;  in nvdec_load_firmware()
208 		virt = dma_alloc_coherent(nvdec->dev, size, &iova, GFP_KERNEL);  in nvdec_load_firmware()
210 		err = dma_mapping_error(nvdec->dev, iova);  in nvdec_load_firmware()
217 	nvdec->falcon.firmware.virt = virt;  in nvdec_load_firmware()
218 	nvdec->falcon.firmware.iova = iova;  in nvdec_load_firmware()
220 	err = falcon_load_firmware(&nvdec->falcon);  in nvdec_load_firmware()
232 		phys = dma_map_single(nvdec->dev, virt, size, DMA_TO_DEVICE);  in nvdec_load_firmware()
234 		err = dma_mapping_error(nvdec->dev, phys);  in nvdec_load_firmware()
238 		nvdec->falcon.firmware.phys = phys;  in nvdec_load_firmware()
245 		dma_free_coherent(nvdec->dev, size, virt, iova);  in nvdec_load_firmware()
255 	struct nvdec *nvdec = dev_get_drvdata(dev);  in nvdec_runtime_resume()  local
258 	err = clk_prepare_enable(nvdec->clk);  in nvdec_runtime_resume()
264 	err = nvdec_load_firmware(nvdec);  in nvdec_runtime_resume()
268 	err = nvdec_boot(nvdec);  in nvdec_runtime_resume()
275 	clk_disable_unprepare(nvdec->clk);  in nvdec_runtime_resume()
281 	struct nvdec *nvdec = dev_get_drvdata(dev);  in nvdec_runtime_suspend()  local
283 	host1x_channel_stop(nvdec->channel);  in nvdec_runtime_suspend()
285 	clk_disable_unprepare(nvdec->clk);  in nvdec_runtime_suspend()
293 	struct nvdec *nvdec = to_nvdec(client);  in nvdec_open_channel()  local
295 	context->channel = host1x_channel_get(nvdec->channel);  in nvdec_open_channel()
349 	struct nvdec *nvdec;  in nvdec_probe()  local
360 	nvdec = devm_kzalloc(dev, sizeof(*nvdec), GFP_KERNEL);  in nvdec_probe()
361 	if (!nvdec)  in nvdec_probe()
364 	nvdec->config = of_device_get_match_data(dev);  in nvdec_probe()
370 	nvdec->regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);  in nvdec_probe()
371 	if (IS_ERR(nvdec->regs))  in nvdec_probe()
372 		return PTR_ERR(nvdec->regs);  in nvdec_probe()
374 	nvdec->clk = devm_clk_get(dev, NULL);  in nvdec_probe()
375 	if (IS_ERR(nvdec->clk)) {  in nvdec_probe()
377 		return PTR_ERR(nvdec->clk);  in nvdec_probe()
380 	err = clk_set_rate(nvdec->clk, ULONG_MAX);  in nvdec_probe()
390 	nvdec->falcon.dev = dev;  in nvdec_probe()
391 	nvdec->falcon.regs = nvdec->regs;  in nvdec_probe()
393 	err = falcon_init(&nvdec->falcon);  in nvdec_probe()
397 	platform_set_drvdata(pdev, nvdec);  in nvdec_probe()
399 	INIT_LIST_HEAD(&nvdec->client.base.list);  in nvdec_probe()
400 	nvdec->client.base.ops = &nvdec_client_ops;  in nvdec_probe()
401 	nvdec->client.base.dev = dev;  in nvdec_probe()
402 	nvdec->client.base.class = host_class;  in nvdec_probe()
403 	nvdec->client.base.syncpts = syncpts;  in nvdec_probe()
404 	nvdec->client.base.num_syncpts = 1;  in nvdec_probe()
405 	nvdec->dev = dev;  in nvdec_probe()
407 	INIT_LIST_HEAD(&nvdec->client.list);  in nvdec_probe()
408 	nvdec->client.version = nvdec->config->version;  in nvdec_probe()
409 	nvdec->client.ops = &nvdec_ops;  in nvdec_probe()
411 	err = host1x_client_register(&nvdec->client.base);  in nvdec_probe()
420 	falcon_exit(&nvdec->falcon);  in nvdec_probe()
427 	struct nvdec *nvdec = platform_get_drvdata(pdev);  in nvdec_remove()  local
430 	err = host1x_client_unregister(&nvdec->client.base);  in nvdec_remove()
437 	falcon_exit(&nvdec->falcon);  in nvdec_remove()