mirror of
https://github.com/thead-yocto-mirror/gpu_bxm_4_64-kernel
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106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
/*
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* @File
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* @Title Nulldisp DRM definitions shared between kernel and user space.
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* @Codingstyle LinuxKernel
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* @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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* @License Dual MIT/GPLv2
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*
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* The contents of this file are subject to the MIT license as set out below.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* 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 shall be included in
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* all copies or substantial portions of the Software.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License Version 2 ("GPL") in which case the provisions
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* of GPL are applicable instead of those above.
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*
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* If you wish to allow use of your version of this file only under the terms of
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* GPL, and not to allow others to use your version of this file under the terms
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* of the MIT license, indicate your decision by deleting the provisions above
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* and replace them with the notice and other provisions required by GPL as set
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* out in the file called "GPL-COPYING" included in this distribution. If you do
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* not delete the provisions above, a recipient may use your version of this file
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* under the terms of either the MIT license or GPL.
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*
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* This License is also included in this distribution in the file called
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* "MIT-COPYING".
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*
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* EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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* PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#if !defined(__NULLDISP_DRM_H__)
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#define __NULLDISP_DRM_H__
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#if defined(__KERNEL__)
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#include <drm/drm.h>
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#else
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#include <drm.h>
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#endif
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struct drm_nulldisp_gem_create {
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__u64 size; /* in */
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__u32 flags; /* in */
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__u32 handle; /* out */
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};
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struct drm_nulldisp_gem_mmap {
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__u32 handle; /* in */
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__u32 pad;
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__u64 offset; /* out */
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};
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#define NULLDISP_GEM_CPU_PREP_READ (1 << 0)
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#define NULLDISP_GEM_CPU_PREP_WRITE (1 << 1)
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#define NULLDISP_GEM_CPU_PREP_NOWAIT (1 << 2)
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struct drm_nulldisp_gem_cpu_prep {
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__u32 handle; /* in */
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__u32 flags; /* in */
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};
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struct drm_nulldisp_gem_cpu_fini {
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__u32 handle; /* in */
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__u32 pad;
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};
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/*
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* DRM command numbers, relative to DRM_COMMAND_BASE.
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* These defines must be prefixed with "DRM_".
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*/
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#define DRM_NULLDISP_GEM_CREATE 0x00
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#define DRM_NULLDISP_GEM_MMAP 0x01
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#define DRM_NULLDISP_GEM_CPU_PREP 0x02
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#define DRM_NULLDISP_GEM_CPU_FINI 0x03
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/* These defines must be prefixed with "DRM_IOCTL_". */
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#define DRM_IOCTL_NULLDISP_GEM_CREATE \
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DRM_IOWR(DRM_COMMAND_BASE + DRM_NULLDISP_GEM_CREATE, \
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struct drm_nulldisp_gem_create)
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#define DRM_IOCTL_NULLDISP_GEM_MMAP \
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DRM_IOWR(DRM_COMMAND_BASE + DRM_NULLDISP_GEM_MMAP, \
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struct drm_nulldisp_gem_mmap)
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#define DRM_IOCTL_NULLDISP_GEM_CPU_PREP \
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DRM_IOW(DRM_COMMAND_BASE + DRM_NULLDISP_GEM_CPU_PREP, \
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struct drm_nulldisp_gem_cpu_prep)
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#define DRM_IOCTL_NULLDISP_GEM_CPU_FINI \
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DRM_IOW(DRM_COMMAND_BASE + DRM_NULLDISP_GEM_CPU_FINI, \
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struct drm_nulldisp_gem_cpu_fini)
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#endif /* defined(__NULLDISP_DRM_H__) */
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