1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index ad74e02d8f25..f8bb24199643 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -40,6 +40,74 @@ static struct drm_driver mgag200_driver = {
 };
 
 /*
+ * DRM device
+ */
+
+static int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
+{
+	struct mga_device *mdev;
+	int ret, option;
+
+	mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL);
+	if (mdev == NULL)
+		return -ENOMEM;
+	dev->dev_private = (void *)mdev;
+	mdev->dev = dev;
+
+	mdev->flags = mgag200_flags_from_driver_data(flags);
+	mdev->type = mgag200_type_from_driver_data(flags);
+
+	pci_read_config_dword(dev->pdev, PCI_MGA_OPTION, &option);
+	mdev->has_sdram = !(option & (1 << 14));
+
+	/* BAR 0 is the framebuffer, BAR 1 contains registers */
+	mdev->rmmio_base = pci_resource_start(dev->pdev, 1);
+	mdev->rmmio_size = pci_resource_len(dev->pdev, 1);
+
+	if (!devm_request_mem_region(dev->dev, mdev->rmmio_base,
+				     mdev->rmmio_size, "mgadrmfb_mmio")) {
+		drm_err(dev, "can't reserve mmio registers\n");
+		return -ENOMEM;
+	}
+
+	mdev->rmmio = pcim_iomap(dev->pdev, 1, 0);
+	if (mdev->rmmio == NULL)
+		return -ENOMEM;
+
+	/* stash G200 SE model number for later use */
+	if (IS_G200_SE(mdev)) {
+		mdev->unique_rev_id = RREG32(0x1e24);
+		drm_dbg(dev, "G200 SE unique revision id is 0x%x\n",
+			mdev->unique_rev_id);
+	}
+
+	ret = mgag200_mm_init(mdev);
+	if (ret)
+		goto err_mm;
+
+	ret = mgag200_modeset_init(mdev);
+	if (ret) {
+		drm_err(dev, "Fatal error during modeset init: %d\n", ret);
+		goto err_mm;
+	}
+
+	return 0;
+
+err_mm:
+	dev->dev_private = NULL;
+	return ret;
+}
+
+static void mgag200_driver_unload(struct drm_device *dev)
+{
+	struct mga_device *mdev = to_mga_device(dev);
+
+	if (mdev == NULL)
+		return;
+	dev->dev_private = NULL;
+}
+
+/*
  * PCI driver
  */