27 nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev)  in nvkm_device_tegra_power_up()  argument
31 	ret = regulator_enable(tdev->vdd);  in nvkm_device_tegra_power_up()
35 	ret = clk_prepare_enable(tdev->clk);  in nvkm_device_tegra_power_up()
38 	ret = clk_prepare_enable(tdev->clk_pwr);  in nvkm_device_tegra_power_up()
41 	clk_set_rate(tdev->clk_pwr, 204000000);  in nvkm_device_tegra_power_up()
44 	reset_control_assert(tdev->rst);  in nvkm_device_tegra_power_up()
52 	reset_control_deassert(tdev->rst);  in nvkm_device_tegra_power_up()
58 	clk_disable_unprepare(tdev->clk_pwr);  in nvkm_device_tegra_power_up()
60 	clk_disable_unprepare(tdev->clk);  in nvkm_device_tegra_power_up()
62 	regulator_disable(tdev->vdd);  in nvkm_device_tegra_power_up()
68 nvkm_device_tegra_power_down(struct nvkm_device_tegra *tdev)  in nvkm_device_tegra_power_down()  argument
70 	reset_control_assert(tdev->rst);  in nvkm_device_tegra_power_down()
73 	clk_disable_unprepare(tdev->clk_pwr);  in nvkm_device_tegra_power_down()
74 	clk_disable_unprepare(tdev->clk);  in nvkm_device_tegra_power_down()
77 	return regulator_disable(tdev->vdd);  in nvkm_device_tegra_power_down()
81 nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev)  in nvkm_device_tegra_probe_iommu()  argument
84 	struct device *dev = &tdev->pdev->dev;  in nvkm_device_tegra_probe_iommu()
88 	if (!tdev->func->iommu_bit)  in nvkm_device_tegra_probe_iommu()
91 	mutex_init(&tdev->iommu.mutex);  in nvkm_device_tegra_probe_iommu()
94 		tdev->iommu.domain = iommu_domain_alloc(&platform_bus_type);  in nvkm_device_tegra_probe_iommu()
95 		if (IS_ERR(tdev->iommu.domain))  in nvkm_device_tegra_probe_iommu()
103 		pgsize_bitmap = tdev->iommu.domain->ops->pgsize_bitmap;  in nvkm_device_tegra_probe_iommu()
105 			tdev->iommu.pgshift = PAGE_SHIFT;  in nvkm_device_tegra_probe_iommu()
107 			tdev->iommu.pgshift = fls(pgsize_bitmap & ~PAGE_MASK);  in nvkm_device_tegra_probe_iommu()
108 			if (tdev->iommu.pgshift == 0) {  in nvkm_device_tegra_probe_iommu()
112 			tdev->iommu.pgshift -= 1;  in nvkm_device_tegra_probe_iommu()
115 		ret = iommu_attach_device(tdev->iommu.domain, dev);  in nvkm_device_tegra_probe_iommu()
119 		ret = nvkm_mm_init(&tdev->iommu.mm, 0,  in nvkm_device_tegra_probe_iommu()
120 				   (1ULL << tdev->func->iommu_bit) >>  in nvkm_device_tegra_probe_iommu()
121 				   tdev->iommu.pgshift, 1);  in nvkm_device_tegra_probe_iommu()
129 	iommu_detach_device(tdev->iommu.domain, dev);  in nvkm_device_tegra_probe_iommu()
132 	iommu_domain_free(tdev->iommu.domain);  in nvkm_device_tegra_probe_iommu()
135 	tdev->iommu.domain = NULL;  in nvkm_device_tegra_probe_iommu()
136 	tdev->iommu.pgshift = 0;  in nvkm_device_tegra_probe_iommu()
142 nvkm_device_tegra_remove_iommu(struct nvkm_device_tegra *tdev)  in nvkm_device_tegra_remove_iommu()  argument
145 	if (tdev->iommu.domain) {  in nvkm_device_tegra_remove_iommu()
146 		nvkm_mm_fini(&tdev->iommu.mm);  in nvkm_device_tegra_remove_iommu()
147 		iommu_detach_device(tdev->iommu.domain, tdev->device.dev);  in nvkm_device_tegra_remove_iommu()
148 		iommu_domain_free(tdev->iommu.domain);  in nvkm_device_tegra_remove_iommu()
162 	struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);  in nvkm_device_tegra_resource()  local
163 	return platform_get_resource(tdev->pdev, IORESOURCE_MEM, bar);  in nvkm_device_tegra_resource()
183 	struct nvkm_device_tegra *tdev = arg;  in nvkm_device_tegra_intr()  local
184 	struct nvkm_mc *mc = tdev->device.mc;  in nvkm_device_tegra_intr()
197 	struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);  in nvkm_device_tegra_fini()  local
198 	if (tdev->irq) {  in nvkm_device_tegra_fini()
199 		free_irq(tdev->irq, tdev);  in nvkm_device_tegra_fini()
200 		tdev->irq = 0;  in nvkm_device_tegra_fini()
207 	struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);  in nvkm_device_tegra_init()  local
210 	irq = platform_get_irq_byname(tdev->pdev, "stall");  in nvkm_device_tegra_init()
215 			  IRQF_SHARED, "nvkm", tdev);  in nvkm_device_tegra_init()
219 	tdev->irq = irq;  in nvkm_device_tegra_init()
226 	struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);  in nvkm_device_tegra_dtor()  local
227 	nvkm_device_tegra_power_down(tdev);  in nvkm_device_tegra_dtor()
228 	nvkm_device_tegra_remove_iommu(tdev);  in nvkm_device_tegra_dtor()
229 	return tdev;  in nvkm_device_tegra_dtor()
250 	struct nvkm_device_tegra *tdev;  in nvkm_device_tegra_new()  local
253 	if (!(tdev = kzalloc(sizeof(*tdev), GFP_KERNEL)))  in nvkm_device_tegra_new()
256 	tdev->func = func;  in nvkm_device_tegra_new()
257 	tdev->pdev = pdev;  in nvkm_device_tegra_new()
258 	tdev->irq = -1;  in nvkm_device_tegra_new()
260 	tdev->vdd = devm_regulator_get(&pdev->dev, "vdd");  in nvkm_device_tegra_new()
261 	if (IS_ERR(tdev->vdd)) {  in nvkm_device_tegra_new()
262 		ret = PTR_ERR(tdev->vdd);  in nvkm_device_tegra_new()
266 	tdev->rst = devm_reset_control_get(&pdev->dev, "gpu");  in nvkm_device_tegra_new()
267 	if (IS_ERR(tdev->rst)) {  in nvkm_device_tegra_new()
268 		ret = PTR_ERR(tdev->rst);  in nvkm_device_tegra_new()
272 	tdev->clk = devm_clk_get(&pdev->dev, "gpu");  in nvkm_device_tegra_new()
273 	if (IS_ERR(tdev->clk)) {  in nvkm_device_tegra_new()
274 		ret = PTR_ERR(tdev->clk);  in nvkm_device_tegra_new()
278 	tdev->clk_pwr = devm_clk_get(&pdev->dev, "pwr");  in nvkm_device_tegra_new()
279 	if (IS_ERR(tdev->clk_pwr)) {  in nvkm_device_tegra_new()
280 		ret = PTR_ERR(tdev->clk_pwr);  in nvkm_device_tegra_new()
284 	nvkm_device_tegra_probe_iommu(tdev);  in nvkm_device_tegra_new()
286 	ret = nvkm_device_tegra_power_up(tdev);  in nvkm_device_tegra_new()
290 	tdev->gpu_speedo = tegra_sku_info.gpu_speedo_value;  in nvkm_device_tegra_new()
294 			       &tdev->device);  in nvkm_device_tegra_new()
298 	*pdevice = &tdev->device;  in nvkm_device_tegra_new()
303 	nvkm_device_tegra_power_down(tdev);  in nvkm_device_tegra_new()
305 	nvkm_device_tegra_remove_iommu(tdev);  in nvkm_device_tegra_new()
307 	kfree(tdev);  in nvkm_device_tegra_new()