WSL2-Linux-Kernel/include/drm/drm_pci.h

64 строки
2.0 KiB
C

/*
* Internal Header for the Direct Rendering Manager
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* Copyright (c) 2009-2010, Code Aurora Forum.
* All rights reserved.
*
* Author: Rickard E. (Rik) Faith <faith@valinux.com>
* Author: Gareth Hughes <gareth@valinux.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _DRM_PCI_H_
#define _DRM_PCI_H_
#include <linux/pci.h>
struct drm_dma_handle;
struct drm_device;
struct drm_driver;
struct drm_master;
#ifdef CONFIG_PCI
struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
size_t align);
void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
#else
static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev,
size_t size, size_t align)
{
return NULL;
}
static inline void drm_pci_free(struct drm_device *dev,
struct drm_dma_handle *dmah)
{
}
#endif
#endif /* _DRM_PCI_H_ */