1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c
new file mode 100644
index 000000000000..9fd351273236
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_platform.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include "nouveau_platform.h"
+
+#include <nvkm/subdev/clk/gk20a_devfreq.h>
+
+static int nouveau_platform_probe(struct platform_device *pdev)
+{
+	const struct nvkm_device_tegra_func *func;
+	struct nvkm_device *device = NULL;
+	struct drm_device *drm;
+
+	func = of_device_get_match_data(&pdev->dev);
+
+	drm = nouveau_platform_device_create(func, pdev, &device);
+	return PTR_ERR_OR_ZERO(drm);
+}
+
+static void nouveau_platform_remove(struct platform_device *pdev)
+{
+	struct nouveau_drm *drm = platform_get_drvdata(pdev);
+
+	nouveau_drm_device_remove(drm);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int nouveau_platform_suspend(struct device *dev)
+{
+	return gk20a_devfreq_suspend(dev);
+}
+
+static int nouveau_platform_resume(struct device *dev)
+{
+	return gk20a_devfreq_resume(dev);
+}
+
+static SIMPLE_DEV_PM_OPS(nouveau_pm_ops, nouveau_platform_suspend,
+			 nouveau_platform_resume);
+#endif
+
+#if IS_ENABLED(CONFIG_OF)
+static const struct nvkm_device_tegra_func gk20a_platform_data = {
+	.iommu_bit = 34,
+	.require_vdd = true,
+};
+
+static const struct nvkm_device_tegra_func gm20b_platform_data = {
+	.iommu_bit = 34,
+	.require_vdd = true,
+	.require_ref_clk = true,
+};
+
+static const struct nvkm_device_tegra_func gp10b_platform_data = {
+	.iommu_bit = 36,
+	/* power provided by generic PM domains */
+	.require_vdd = false,
+};
+
+static const struct of_device_id nouveau_platform_match[] = {
+	{
+		.compatible = "nvidia,gk20a",
+		.data = &gk20a_platform_data,
+	},
+	{
+		.compatible = "nvidia,gm20b",
+		.data = &gm20b_platform_data,
+	},
+	{
+		.compatible = "nvidia,gp10b",
+		.data = &gp10b_platform_data,
+	},
+	{ }
+};
+
+MODULE_DEVICE_TABLE(of, nouveau_platform_match);
+#endif
+
+struct platform_driver nouveau_platform_driver = {
+	.driver = {
+		.name = "nouveau",
+		.of_match_table = of_match_ptr(nouveau_platform_match),
+#ifdef CONFIG_PM_SLEEP
+		.pm = &nouveau_pm_ops,
+#endif
+	},
+	.probe = nouveau_platform_probe,
+	.remove = nouveau_platform_remove,
+};