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 37 struct drm_dma_handle; 38 struct drm_device; 39 struct drm_driver; 40 struct drm_master; 41 42 struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size, 43 size_t align); 44 void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah); 45 46 int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver); 47 void drm_legacy_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver); 48 #ifdef CONFIG_PCI 49 int drm_get_pci_dev(struct pci_dev *pdev, 50 const struct pci_device_id *ent, 51 struct drm_driver *driver); 52 #else 53 static 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 } 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 65 int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask); 66 int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw); 67 68 #endif /* _DRM_PCI_H_ */ 69