C++ (Cpp) via_init_futex示例

示例#1

文件： via_map.c 项目： Ionic/nx-libs

int via_do_init_map(drm_device_t * dev, drm_via_init_t * init)
{
	drm_via_private_t *dev_priv;

	DRM_DEBUG("%s\n", __FUNCTION__);

	via_init_command_verifier();
	dev_priv = DRM(alloc) (sizeof(drm_via_private_t), DRM_MEM_DRIVER);
	if (dev_priv == NULL)
		return -ENOMEM;

	memset(dev_priv, 0, sizeof(drm_via_private_t));

	DRM_GETSAREA();
	if (!dev_priv->sarea) {
		DRM_ERROR("could not find sarea!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
	if (!dev_priv->fb) {
		DRM_ERROR("could not find framebuffer!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}
	dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
	if (!dev_priv->mmio) {
		DRM_ERROR("could not find mmio region!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->sarea_priv =
	    (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
				 init->sarea_priv_offset);

	dev_priv->agpAddr = init->agpAddr;

	via_init_futex( dev_priv );
	dev_priv->pro_group_a = (dev->pdev->device == 0x3118);

	dev->dev_private = (void *)dev_priv;

	return 0;
}

示例#2

文件： via_map.c 项目： Ionic/nx-libs

static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init)
{
	drm_via_private_t *dev_priv = dev->dev_private;

	DRM_DEBUG("%s\n", __FUNCTION__);

	DRM_GETSAREA();
	if (!dev_priv->sarea) {
		DRM_ERROR("could not find sarea!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
	if (!dev_priv->fb) {
		DRM_ERROR("could not find framebuffer!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}
	dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
	if (!dev_priv->mmio) {
		DRM_ERROR("could not find mmio region!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->sarea_priv =
	    (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
				 init->sarea_priv_offset);

	dev_priv->agpAddr = init->agpAddr;

	via_init_futex( dev_priv );
#ifdef VIA_HAVE_DMABLIT
	via_init_dmablit( dev );
#endif
	dev->dev_private = (void *)dev_priv;
	return 0;
}

示例#3

文件： via_map.c 项目： 020gzh/linux

static int via_do_init_map(struct drm_device *dev, drm_via_init_t *init)
{
	drm_via_private_t *dev_priv = dev->dev_private;

	DRM_DEBUG("\n");

	dev_priv->sarea = drm_legacy_getsarea(dev);
	if (!dev_priv->sarea) {
		DRM_ERROR("could not find sarea!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->fb = drm_legacy_findmap(dev, init->fb_offset);
	if (!dev_priv->fb) {
		DRM_ERROR("could not find framebuffer!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}
	dev_priv->mmio = drm_legacy_findmap(dev, init->mmio_offset);
	if (!dev_priv->mmio) {
		DRM_ERROR("could not find mmio region!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->sarea_priv =
	    (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
				 init->sarea_priv_offset);

	dev_priv->agpAddr = init->agpAddr;

	via_init_futex(dev_priv);

	via_init_dmablit(dev);

	dev->dev_private = (void *)dev_priv;
	return 0;
}