1/*
 2 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 3 * Authors:
 4 *	Inki Dae <inki.dae@samsung.com>
 5 *	Joonyoung Shim <jy0922.shim@samsung.com>
 6 *	Seung-Woo Kim <sw0312.kim@samsung.com>
 7 *
 8 * This program is free software; you can redistribute  it and/or modify it
 9 * under  the terms of  the GNU General  Public License as published by the
10 * Free Software Foundation;  either version 2 of the  License, or (at your
11 * option) any later version.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
12 */
13
14#ifndef _EXYNOS_DRM_FB_H_
15#define _EXYNOS_DRM_FB_H_
16
17#include "exynos_drm_gem.h"
 
 
 
 
 
 
 
 
 
 
 
18
19struct drm_framebuffer *
20exynos_drm_framebuffer_init(struct drm_device *dev,
21			    const struct drm_mode_fb_cmd2 *mode_cmd,
22			    struct exynos_drm_gem **exynos_gem,
23			    int count);
24
25dma_addr_t exynos_drm_fb_dma_addr(struct drm_framebuffer *fb, int index);
 
 
26
27void exynos_drm_mode_config_init(struct drm_device *dev);
28
29#endif

 1/*
 2 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 3 * Authors:
 4 *	Inki Dae <inki.dae@samsung.com>
 5 *	Joonyoung Shim <jy0922.shim@samsung.com>
 6 *	Seung-Woo Kim <sw0312.kim@samsung.com>
 7 *
 8 * Permission is hereby granted, free of charge, to any person obtaining a
 9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
26 */
27
28#ifndef _EXYNOS_DRM_FB_H_
29#define _EXYNOS_DRM_FB_H
30
31static inline int exynos_drm_format_num_buffers(uint32_t format)
32{
33	switch (format) {
34	case DRM_FORMAT_NV12:
35	case DRM_FORMAT_NV12MT:
36		return 2;
37	case DRM_FORMAT_YUV420:
38		return 3;
39	default:
40		return 1;
41	}
42}
43
44struct drm_framebuffer *
45exynos_drm_framebuffer_init(struct drm_device *dev,
46			    struct drm_mode_fb_cmd2 *mode_cmd,
47			    struct drm_gem_object *obj);
 
48
49/* get memory information of a drm framebuffer */
50struct exynos_drm_gem_buf *exynos_drm_fb_buffer(struct drm_framebuffer *fb,
51						 int index);
52
53void exynos_drm_mode_config_init(struct drm_device *dev);
54
55#endif