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-rw-r--r--drivers/gpu/drm/omapdrm/omap_gem.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.h b/drivers/gpu/drm/omapdrm/omap_gem.h
new file mode 100644
index 000000000..4d4488939
--- /dev/null
+++ b/drivers/gpu/drm/omapdrm/omap_gem.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * omap_gem.h -- OMAP DRM GEM Object Management
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Rob Clark <rob@ti.com>
+ */
+
+#ifndef __OMAPDRM_GEM_H__
+#define __OMAPDRM_GEM_H__
+
+#include <linux/types.h>
+#include <linux/mm_types.h>
+
+enum dma_data_direction;
+
+struct dma_buf;
+struct drm_device;
+struct drm_file;
+struct drm_gem_object;
+struct drm_mode_create_dumb;
+struct file;
+struct list_head;
+struct page;
+struct seq_file;
+struct vm_area_struct;
+struct vm_fault;
+
+union omap_gem_size;
+
+/* Initialization and Cleanup */
+void omap_gem_init(struct drm_device *dev);
+void omap_gem_deinit(struct drm_device *dev);
+
+#ifdef CONFIG_PM
+int omap_gem_resume(struct drm_device *dev);
+#endif
+
+#ifdef CONFIG_DEBUG_FS
+void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
+void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
+#endif
+
+/* GEM Object Creation and Deletion */
+struct drm_gem_object *omap_gem_new(struct drm_device *dev,
+ union omap_gem_size gsize, u32 flags);
+struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
+ struct sg_table *sgt);
+int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
+ union omap_gem_size gsize, u32 flags, u32 *handle);
+void *omap_gem_vaddr(struct drm_gem_object *obj);
+
+/* Dumb Buffers Interface */
+int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
+ u32 handle, u64 *offset);
+int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
+ struct drm_mode_create_dumb *args);
+
+/* mmap() Interface */
+int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
+int omap_gem_mmap_obj(struct drm_gem_object *obj,
+ struct vm_area_struct *vma);
+u64 omap_gem_mmap_offset(struct drm_gem_object *obj);
+size_t omap_gem_mmap_size(struct drm_gem_object *obj);
+
+/* PRIME Interface */
+struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags);
+struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
+ struct dma_buf *buffer);
+
+int omap_gem_roll(struct drm_gem_object *obj, u32 roll);
+void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
+void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
+ enum dma_data_direction dir);
+int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);
+void omap_gem_unpin(struct drm_gem_object *obj);
+int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
+ bool remap);
+int omap_gem_put_pages(struct drm_gem_object *obj);
+
+u32 omap_gem_flags(struct drm_gem_object *obj);
+int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient,
+ int x, int y, dma_addr_t *dma_addr);
+int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient);
+struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj,
+ enum dma_data_direction dir);
+void omap_gem_put_sg(struct drm_gem_object *obj, struct sg_table *sgt);
+
+#endif /* __OMAPDRM_GEM_H__ */