Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / rockchip / rockchip_drm_gem.h

diff --git a/kernel/drivers/gpu/drm/rockchip/rockchip_drm_gem.h b/kernel/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
new file mode 100644 (file)
index 0000000..ad22618
--- /dev/null
+++ b/kernel/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
+ * Author:Mark Yao <mark.yao@rock-chips.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _ROCKCHIP_DRM_GEM_H
+#define _ROCKCHIP_DRM_GEM_H
+
+#define to_rockchip_obj(x) container_of(x, struct rockchip_gem_object, base)
+
+struct rockchip_gem_object {
+       struct drm_gem_object base;
+       unsigned int flags;
+
+       void *kvaddr;
+       dma_addr_t dma_addr;
+       struct dma_attrs dma_attrs;
+};
+
+struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj);
+struct drm_gem_object *
+rockchip_gem_prime_import_sg_table(struct drm_device *dev, size_t size,
+                                  struct sg_table *sgt);
+void *rockchip_gem_prime_vmap(struct drm_gem_object *obj);
+void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
+
+/* drm driver mmap file operations */
+int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma);
+
+/* mmap a gem object to userspace. */
+int rockchip_gem_mmap_buf(struct drm_gem_object *obj,
+                         struct vm_area_struct *vma);
+
+struct rockchip_gem_object *
+       rockchip_gem_create_object(struct drm_device *drm, unsigned int size,
+                                  bool alloc_kmap);
+
+void rockchip_gem_free_object(struct drm_gem_object *obj);
+
+int rockchip_gem_dumb_create(struct drm_file *file_priv,
+                            struct drm_device *dev,
+                            struct drm_mode_create_dumb *args);
+int rockchip_gem_dumb_map_offset(struct drm_file *file_priv,
+                                struct drm_device *dev, uint32_t handle,
+                                uint64_t *offset);
+#endif /* _ROCKCHIP_DRM_GEM_H */