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1/*
2 * Internal Header for the Direct Rendering Manager
3 *
4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6 * Copyright (c) 2009-2010, Code Aurora Forum.
7 * All rights reserved.
8 *
9 * Author: Rickard E. (Rik) Faith <faith@valinux.com>
10 * Author: Gareth Hughes <gareth@valinux.com>
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice (including the next
20 * paragraph) shall be included in all copies or substantial portions of the
21 * Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29 * OTHER DEALINGS IN THE SOFTWARE.
30 */
31
32#ifndef _DRM_PCI_H_
33#define _DRM_PCI_H_
34
35#include <linux/pci.h>
36
37struct drm_dma_handle;
38struct drm_device;
39struct drm_driver;
40struct drm_master;
41
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42struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
43 size_t align);
44void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
23ef59ef 45
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46int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
47void drm_legacy_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
23ef59ef 48#ifdef CONFIG_PCI
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49int drm_get_pci_dev(struct pci_dev *pdev,
50 const struct pci_device_id *ent,
51 struct drm_driver *driver);
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52#else
53static inline int drm_get_pci_dev(struct pci_dev *pdev,
54 const struct pci_device_id *ent,
55 struct drm_driver *driver)
56{
57 return -ENOSYS;
58}
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59#endif
60
61#define DRM_PCIE_SPEED_25 1
62#define DRM_PCIE_SPEED_50 2
63#define DRM_PCIE_SPEED_80 4
64
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65int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
66int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw);
23ef59ef 67
23ef59ef 68#endif /* _DRM_PCI_H_ */