56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* Authors:
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* Inki Dae <inki.dae@samsung.com>
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* Joonyoung Shim <jy0922.shim@samsung.com>
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* Seung-Woo Kim <sw0312.kim@samsung.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _EXYNOS_DRM_FB_H_
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#define _EXYNOS_DRM_FB_H
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static inline int exynos_drm_format_num_buffers(uint32_t format)
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{
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switch (format) {
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case DRM_FORMAT_NV12M:
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case DRM_FORMAT_NV12MT:
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return 2;
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case DRM_FORMAT_YUV420M:
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return 3;
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default:
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return 1;
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}
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}
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struct drm_framebuffer *
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exynos_drm_framebuffer_init(struct drm_device *dev,
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struct drm_mode_fb_cmd2 *mode_cmd,
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struct drm_gem_object *obj);
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/* get memory information of a drm framebuffer */
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struct exynos_drm_gem_buf *exynos_drm_fb_buffer(struct drm_framebuffer *fb,
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int index);
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void exynos_drm_mode_config_init(struct drm_device *dev);
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#endif
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