69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
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* Internal Header for the Direct Rendering Manager
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*
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* Copyright (c) 2009-2010, Code Aurora Forum.
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* All rights reserved.
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*
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* Author: Rickard E. (Rik) Faith <faith@valinux.com>
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* Author: Gareth Hughes <gareth@valinux.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 _DRM_PCI_H_
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#define _DRM_PCI_H_
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#include <linux/pci.h>
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struct drm_dma_handle;
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struct drm_device;
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struct drm_driver;
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struct drm_master;
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struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
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size_t align);
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void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
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int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
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void drm_legacy_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
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#ifdef CONFIG_PCI
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int drm_get_pci_dev(struct pci_dev *pdev,
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const struct pci_device_id *ent,
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struct drm_driver *driver);
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#else
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static inline int drm_get_pci_dev(struct pci_dev *pdev,
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const struct pci_device_id *ent,
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struct drm_driver *driver)
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{
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return -ENOSYS;
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}
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#endif
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#define DRM_PCIE_SPEED_25 1
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#define DRM_PCIE_SPEED_50 2
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#define DRM_PCIE_SPEED_80 4
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int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
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int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw);
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#endif /* _DRM_PCI_H_ */
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