示例#1
0
static int drm_fill_in_platform_dev(struct drm_device *dev,
				struct platform_device *pdev,
				struct drm_driver *driver)
{
	dev->platformdev = pdev;
	return drm_fill_in_dev(dev, NULL, driver);
}
示例#2
0
/**
 * Register.
 *
 * \param pdev - PCI device structure
 * \param ent entry from the PCI ID table with device type flags
 * \return zero on success or a negative number on failure.
 *
 * Attempt to gets inter module "drm" information. If we are first
 * then register the character device and inter module information.
 * Try and register, if we fail to register, backout previous work.
 */
int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
		struct drm_driver *driver)
{
	drm_device_t *dev;
	int ret;

	DRM_DEBUG("\n");

	dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB);
	if (!dev)
		return -ENOMEM;

	pci_enable_device(pdev);

	if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
		goto err_g1;
	}
	if ((ret = drm_get_head(dev, &dev->primary)))
		goto err_g1;
	
	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
		 driver->name, driver->major, driver->minor, driver->patchlevel,
		 driver->date, dev->primary.minor);

	return 0;

      err_g1:
	drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
	return ret;
}
示例#3
0
static int drm_fill_in_pci_dev(struct drm_device *dev,
				struct pci_dev *pdev,
				const struct pci_device_id *ent,
				struct drm_driver *driver)
{
	dev->pdev = pdev;
	dev->pci_device = pdev->device;
	dev->pci_vendor = pdev->vendor;

	return drm_fill_in_dev(dev, ent, driver);
}
/**
 * Register.
 *
 * \param pdev - PCI device structure
 * \param ent entry from the PCI ID table with device type flags
 * \return zero on success or a negative number on failure.
 *
 * Attempt to gets inter module "drm" information. If we are first
 * then register the character device and inter module information.
 * Try and register, if we fail to register, backout previous work.
 */
int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
		struct drm_driver *driver)
{
	struct drm_device *dev;
	int ret;

	DRM_DEBUG("\n");

	dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB);
	if (!dev)
		return -ENOMEM;

	ret = pci_enable_device(pdev);
	if (ret)
		goto err_g1;

	pci_set_master(pdev);
	if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
		goto err_g2;
	}
	if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
		goto err_g2;

	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
		 driver->name, driver->major, driver->minor, driver->patchlevel,
		 driver->date, dev->primary->index);

	return 0;

err_g2:
	pci_disable_device(pdev);
err_g1:
	drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
	return ret;
}
int drm_get_platform_dev(struct platform_device *platdev,
			 struct drm_driver *driver)
{
	struct drm_device *dev;
	int ret;

	DRM_DEBUG("\n");

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev)
		return -ENOMEM;

	dev->platformdev = platdev;
	dev->dev = &platdev->dev;

	ret = drm_fill_in_dev(dev, NULL, driver);

	if (ret) {
		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
		goto err_g1;
	}

	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
		dev_set_drvdata(&platdev->dev, dev);
		ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
		if (ret)
			goto err_g1;
	}

	ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY);
	if (ret)
		goto err_g2;

	if (dev->driver->load) {
		ret = dev->driver->load(dev, 0);
		if (ret)
			goto err_g3;
	}

	/* setup the grouping for the legacy output */
	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
		ret = drm_mode_group_init_legacy_group(dev,
				&dev->primary->mode_group);
		if (ret)
			goto err_g3;
	}

	list_add_tail(&dev->driver_item, &driver->device_list);

	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
		 driver->name, driver->major, driver->minor, driver->patchlevel,
		 driver->date, dev->primary->index);

	return 0;

err_g3:
	drm_put_minor(&dev->primary);
err_g2:
	if (drm_core_check_feature(dev, DRIVER_MODESET))
		drm_put_minor(&dev->control);
err_g1:
	kfree(dev);
	return ret;
}
int drm_get_usb_dev(struct usb_interface *interface,
		    const struct usb_device_id *id,
		    struct drm_driver *driver)
{
	struct drm_device *dev;
	struct usb_device *usbdev;
	int ret;

	DRM_DEBUG("\n");

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev)
		return -ENOMEM;

	usbdev = interface_to_usbdev(interface);
	dev->usbdev = usbdev;
	dev->dev = &usbdev->dev;

	mutex_lock(&drm_global_mutex);

	ret = drm_fill_in_dev(dev, NULL, driver);
	if (ret) {
		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
		goto err_g1;
	}

	usb_set_intfdata(interface, dev);
	ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
	if (ret)
		goto err_g1;

	ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY);
	if (ret)
		goto err_g2;

	if (dev->driver->load) {
		ret = dev->driver->load(dev, 0);
		if (ret)
			goto err_g3;
	}

	/* setup the grouping for the legacy output */
	ret = drm_mode_group_init_legacy_group(dev,
					       &dev->primary->mode_group);
	if (ret)
		goto err_g3;

	list_add_tail(&dev->driver_item, &driver->device_list);

	mutex_unlock(&drm_global_mutex);

	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
		 driver->name, driver->major, driver->minor, driver->patchlevel,
		 driver->date, dev->primary->index);

	return 0;

err_g3:
	drm_put_minor(&dev->primary);
err_g2:
	drm_put_minor(&dev->control);
err_g1:
	kfree(dev);
	mutex_unlock(&drm_global_mutex);
	return ret;

}