31 nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev)  in nvkm_device_tegra_power_up()  argument
35 	if (tdev->vdd) {  in nvkm_device_tegra_power_up()
36 		ret = regulator_enable(tdev->vdd);  in nvkm_device_tegra_power_up()
41 	ret = clk_prepare_enable(tdev->clk);  in nvkm_device_tegra_power_up()
44 	ret = clk_prepare_enable(tdev->clk_ref);  in nvkm_device_tegra_power_up()
47 	ret = clk_prepare_enable(tdev->clk_pwr);  in nvkm_device_tegra_power_up()
50 	clk_set_rate(tdev->clk_pwr, 204000000);  in nvkm_device_tegra_power_up()
53 	if (!tdev->pdev->dev.pm_domain) {  in nvkm_device_tegra_power_up()
54 		reset_control_assert(tdev->rst);  in nvkm_device_tegra_power_up()
62 		reset_control_deassert(tdev->rst);  in nvkm_device_tegra_power_up()
69 	clk_disable_unprepare(tdev->clk_pwr);  in nvkm_device_tegra_power_up()
71 	clk_disable_unprepare(tdev->clk_ref);  in nvkm_device_tegra_power_up()
73 	clk_disable_unprepare(tdev->clk);  in nvkm_device_tegra_power_up()
75 	if (tdev->vdd)  in nvkm_device_tegra_power_up()
76 		regulator_disable(tdev->vdd);  in nvkm_device_tegra_power_up()
82 nvkm_device_tegra_power_down(struct nvkm_device_tegra *tdev)  in nvkm_device_tegra_power_down()  argument
86 	clk_disable_unprepare(tdev->clk_pwr);  in nvkm_device_tegra_power_down()
87 	clk_disable_unprepare(tdev->clk_ref);  in nvkm_device_tegra_power_down()
88 	clk_disable_unprepare(tdev->clk);  in nvkm_device_tegra_power_down()
91 	if (tdev->vdd) {  in nvkm_device_tegra_power_down()
92 		ret = regulator_disable(tdev->vdd);  in nvkm_device_tegra_power_down()
101 nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev)  in nvkm_device_tegra_probe_iommu()  argument
104 	struct device *dev = &tdev->pdev->dev;  in nvkm_device_tegra_probe_iommu()
117 	if (!tdev->func->iommu_bit)  in nvkm_device_tegra_probe_iommu()
120 	mutex_init(&tdev->iommu.mutex);  in nvkm_device_tegra_probe_iommu()
123 		tdev->iommu.domain = iommu_domain_alloc(&platform_bus_type);  in nvkm_device_tegra_probe_iommu()
124 		if (!tdev->iommu.domain)  in nvkm_device_tegra_probe_iommu()
132 		pgsize_bitmap = tdev->iommu.domain->pgsize_bitmap;  in nvkm_device_tegra_probe_iommu()
134 			tdev->iommu.pgshift = PAGE_SHIFT;  in nvkm_device_tegra_probe_iommu()
136 			tdev->iommu.pgshift = fls(pgsize_bitmap & ~PAGE_MASK);  in nvkm_device_tegra_probe_iommu()
137 			if (tdev->iommu.pgshift == 0) {  in nvkm_device_tegra_probe_iommu()
141 			tdev->iommu.pgshift -= 1;  in nvkm_device_tegra_probe_iommu()
144 		ret = iommu_attach_device(tdev->iommu.domain, dev);  in nvkm_device_tegra_probe_iommu()
148 		ret = nvkm_mm_init(&tdev->iommu.mm, 0, 0,  in nvkm_device_tegra_probe_iommu()
149 				   (1ULL << tdev->func->iommu_bit) >>  in nvkm_device_tegra_probe_iommu()
150 				   tdev->iommu.pgshift, 1);  in nvkm_device_tegra_probe_iommu()
158 	iommu_detach_device(tdev->iommu.domain, dev);  in nvkm_device_tegra_probe_iommu()
161 	iommu_domain_free(tdev->iommu.domain);  in nvkm_device_tegra_probe_iommu()
164 	tdev->iommu.domain = NULL;  in nvkm_device_tegra_probe_iommu()
165 	tdev->iommu.pgshift = 0;  in nvkm_device_tegra_probe_iommu()
171 nvkm_device_tegra_remove_iommu(struct nvkm_device_tegra *tdev)  in nvkm_device_tegra_remove_iommu()  argument
174 	if (tdev->iommu.domain) {  in nvkm_device_tegra_remove_iommu()
175 		nvkm_mm_fini(&tdev->iommu.mm);  in nvkm_device_tegra_remove_iommu()
176 		iommu_detach_device(tdev->iommu.domain, tdev->device.dev);  in nvkm_device_tegra_remove_iommu()
177 		iommu_domain_free(tdev->iommu.domain);  in nvkm_device_tegra_remove_iommu()
191 	struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);  in nvkm_device_tegra_resource()  local
192 	return platform_get_resource(tdev->pdev, IORESOURCE_MEM, bar);  in nvkm_device_tegra_resource()
212 	struct nvkm_device_tegra *tdev = arg;  in nvkm_device_tegra_intr()  local
213 	struct nvkm_device *device = &tdev->device;  in nvkm_device_tegra_intr()
224 	struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);  in nvkm_device_tegra_fini()  local
225 	if (tdev->irq) {  in nvkm_device_tegra_fini()
226 		free_irq(tdev->irq, tdev);  in nvkm_device_tegra_fini()
227 		tdev->irq = 0;  in nvkm_device_tegra_fini()
234 	struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);  in nvkm_device_tegra_init()  local
237 	irq = platform_get_irq_byname(tdev->pdev, "stall");  in nvkm_device_tegra_init()
242 			  IRQF_SHARED, "nvkm", tdev);  in nvkm_device_tegra_init()
246 	tdev->irq = irq;  in nvkm_device_tegra_init()
253 	struct nvkm_device_tegra *tdev = nvkm_device_tegra(device);  in nvkm_device_tegra_dtor()  local
254 	nvkm_device_tegra_power_down(tdev);  in nvkm_device_tegra_dtor()
255 	nvkm_device_tegra_remove_iommu(tdev);  in nvkm_device_tegra_dtor()
256 	return tdev;  in nvkm_device_tegra_dtor()
277 	struct nvkm_device_tegra *tdev;  in nvkm_device_tegra_new()  local
281 	if (!(tdev = kzalloc(sizeof(*tdev), GFP_KERNEL)))  in nvkm_device_tegra_new()
284 	tdev->func = func;  in nvkm_device_tegra_new()
285 	tdev->pdev = pdev;  in nvkm_device_tegra_new()
288 		tdev->vdd = devm_regulator_get(&pdev->dev, "vdd");  in nvkm_device_tegra_new()
289 		if (IS_ERR(tdev->vdd)) {  in nvkm_device_tegra_new()
290 			ret = PTR_ERR(tdev->vdd);  in nvkm_device_tegra_new()
295 	tdev->rst = devm_reset_control_get(&pdev->dev, "gpu");  in nvkm_device_tegra_new()
296 	if (IS_ERR(tdev->rst)) {  in nvkm_device_tegra_new()
297 		ret = PTR_ERR(tdev->rst);  in nvkm_device_tegra_new()
301 	tdev->clk = devm_clk_get(&pdev->dev, "gpu");  in nvkm_device_tegra_new()
302 	if (IS_ERR(tdev->clk)) {  in nvkm_device_tegra_new()
303 		ret = PTR_ERR(tdev->clk);  in nvkm_device_tegra_new()
307 	rate = clk_get_rate(tdev->clk);  in nvkm_device_tegra_new()
309 		ret = clk_set_rate(tdev->clk, ULONG_MAX);  in nvkm_device_tegra_new()
313 		rate = clk_get_rate(tdev->clk);  in nvkm_device_tegra_new()
319 		tdev->clk_ref = devm_clk_get(&pdev->dev, "ref");  in nvkm_device_tegra_new()
320 	if (IS_ERR(tdev->clk_ref)) {  in nvkm_device_tegra_new()
321 		ret = PTR_ERR(tdev->clk_ref);  in nvkm_device_tegra_new()
325 	tdev->clk_pwr = devm_clk_get(&pdev->dev, "pwr");  in nvkm_device_tegra_new()
326 	if (IS_ERR(tdev->clk_pwr)) {  in nvkm_device_tegra_new()
327 		ret = PTR_ERR(tdev->clk_pwr);  in nvkm_device_tegra_new()
334 	ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(tdev->func->iommu_bit));  in nvkm_device_tegra_new()
338 	nvkm_device_tegra_probe_iommu(tdev);  in nvkm_device_tegra_new()
340 	ret = nvkm_device_tegra_power_up(tdev);  in nvkm_device_tegra_new()
344 	tdev->gpu_speedo = tegra_sku_info.gpu_speedo_value;  in nvkm_device_tegra_new()
345 	tdev->gpu_speedo_id = tegra_sku_info.gpu_speedo_id;  in nvkm_device_tegra_new()
349 			       &tdev->device);  in nvkm_device_tegra_new()
353 	*pdevice = &tdev->device;  in nvkm_device_tegra_new()
358 	nvkm_device_tegra_power_down(tdev);  in nvkm_device_tegra_new()
360 	nvkm_device_tegra_remove_iommu(tdev);  in nvkm_device_tegra_new()
362 	kfree(tdev);  in nvkm_device_tegra_new()