69 	int err;  in nvdec_boot_falcon()  local
81 	err = falcon_boot(&nvdec->falcon);  in nvdec_boot_falcon()
82 	if (err < 0)  in nvdec_boot_falcon()
83 		return err;  in nvdec_boot_falcon()
85 	err = falcon_wait_idle(&nvdec->falcon);  in nvdec_boot_falcon()
86 	if (err < 0) {  in nvdec_boot_falcon()
88 		return err;  in nvdec_boot_falcon()
96 	int err;  in nvdec_wait_debuginfo()  local
99 	err = readl_poll_timeout(nvdec->regs + NVDEC_FALCON_DEBUGINFO, val, val == 0x0, 10, 100000);  in nvdec_wait_debuginfo()
100 	if (err) {  in nvdec_wait_debuginfo()
102 		return err;  in nvdec_wait_debuginfo()
110 	int err;  in nvdec_boot_riscv()  local
112 	err = reset_control_acquire(nvdec->reset);  in nvdec_boot_riscv()
113 	if (err)  in nvdec_boot_riscv()
114 		return err;  in nvdec_boot_riscv()
118 	err = tegra_drm_riscv_boot_bootrom(&nvdec->riscv, nvdec->carveout_base, 1,  in nvdec_boot_riscv()
120 	if (err) {  in nvdec_boot_riscv()
125 	err = nvdec_wait_debuginfo(nvdec, "bootloader");  in nvdec_boot_riscv()
126 	if (err)  in nvdec_boot_riscv()
129 	err = reset_control_reset(nvdec->reset);  in nvdec_boot_riscv()
130 	if (err)  in nvdec_boot_riscv()
135 	err = tegra_drm_riscv_boot_bootrom(&nvdec->riscv, nvdec->carveout_base, 1,  in nvdec_boot_riscv()
137 	if (err) {  in nvdec_boot_riscv()
142 	err = nvdec_wait_debuginfo(nvdec, "firmware");  in nvdec_boot_riscv()
143 	if (err)  in nvdec_boot_riscv()
149 	return err;  in nvdec_boot_riscv()
158 	int err;  in nvdec_init()  local
160 	err = host1x_client_iommu_attach(client);  in nvdec_init()
161 	if (err < 0 && err != -ENODEV) {  in nvdec_init()
162 		dev_err(nvdec->dev, "failed to attach to domain: %d\n", err);  in nvdec_init()
163 		return err;  in nvdec_init()
168 		err = -ENOMEM;  in nvdec_init()
174 		err = -ENOMEM;  in nvdec_init()
178 	err = tegra_drm_register_client(tegra, drm);  in nvdec_init()
179 	if (err < 0)  in nvdec_init()
197 	return err;  in nvdec_init()
206 	int err;  in nvdec_exit()  local
211 	err = tegra_drm_unregister_client(tegra, drm);  in nvdec_exit()
212 	if (err < 0)  in nvdec_exit()
213 		return err;  in nvdec_exit()
251 	int err;  in nvdec_load_falcon_firmware()  local
256 	err = falcon_read_firmware(&nvdec->falcon, nvdec->config->firmware);  in nvdec_load_falcon_firmware()
257 	if (err < 0)  in nvdec_load_falcon_firmware()
258 		return err;  in nvdec_load_falcon_firmware()
265 		err = dma_mapping_error(nvdec->dev, iova);  in nvdec_load_falcon_firmware()
266 		if (err < 0)  in nvdec_load_falcon_firmware()
267 			return err;  in nvdec_load_falcon_firmware()
277 	err = falcon_load_firmware(&nvdec->falcon);  in nvdec_load_falcon_firmware()
278 	if (err < 0)  in nvdec_load_falcon_firmware()
291 		err = dma_mapping_error(nvdec->dev, phys);  in nvdec_load_falcon_firmware()
292 		if (err < 0)  in nvdec_load_falcon_firmware()
306 	return err;  in nvdec_load_falcon_firmware()
312 	int err;  in nvdec_runtime_resume()  local
314 	err = clk_bulk_prepare_enable(nvdec->num_clks, nvdec->clks);  in nvdec_runtime_resume()
315 	if (err < 0)  in nvdec_runtime_resume()
316 		return err;  in nvdec_runtime_resume()
321 		err = nvdec_boot_riscv(nvdec);  in nvdec_runtime_resume()
322 		if (err < 0)  in nvdec_runtime_resume()
325 		err = nvdec_load_falcon_firmware(nvdec);  in nvdec_runtime_resume()
326 		if (err < 0)  in nvdec_runtime_resume()
329 		err = nvdec_boot_falcon(nvdec);  in nvdec_runtime_resume()
330 		if (err < 0)  in nvdec_runtime_resume()
338 	return err;  in nvdec_runtime_resume()
430 	int err;  in nvdec_probe()  local
433 	err = dma_coerce_mask_and_coherent(dev, *dev->parent->dma_mask);  in nvdec_probe()
434 	if (err < 0) {  in nvdec_probe()
435 		dev_err(&pdev->dev, "failed to set DMA mask: %d\n", err);  in nvdec_probe()
436 		return err;  in nvdec_probe()
462 	err = devm_clk_bulk_get(dev, nvdec->num_clks, nvdec->clks);  in nvdec_probe()
463 	if (err) {  in nvdec_probe()
465 		return err;  in nvdec_probe()
468 	err = clk_set_rate(nvdec->clks[0].clk, ULONG_MAX);  in nvdec_probe()
469 	if (err < 0) {  in nvdec_probe()
471 		return err;  in nvdec_probe()
474 	err = of_property_read_u32(dev->of_node, "nvidia,host1x-class", &host_class);  in nvdec_probe()
475 	if (err < 0)  in nvdec_probe()
488 		err = tegra_mc_get_carveout_info(mc, 1, &nvdec->carveout_base, NULL);  in nvdec_probe()
489 		if (err) {  in nvdec_probe()
490 			dev_err(dev, "failed to get carveout info: %d\n", err);  in nvdec_probe()
491 			return err;  in nvdec_probe()
503 		err = tegra_drm_riscv_read_descriptors(&nvdec->riscv);  in nvdec_probe()
504 		if (err < 0)  in nvdec_probe()
505 			return err;  in nvdec_probe()
510 		err = falcon_init(&nvdec->falcon);  in nvdec_probe()
511 		if (err < 0)  in nvdec_probe()
512 			return err;  in nvdec_probe()
529 	err = host1x_client_register(&nvdec->client.base);  in nvdec_probe()
530 	if (err < 0) {  in nvdec_probe()
531 		dev_err(dev, "failed to register host1x client: %d\n", err);  in nvdec_probe()
544 	return err;  in nvdec_probe()