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      1 /*	$NetBSD: drm_pci.h,v 1.9 2021/12/19 11:53:50 riastradh Exp $	*/
      2 
      3 /*
      4  * Internal Header for the Direct Rendering Manager
      5  *
      6  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
      7  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
      8  * Copyright (c) 2009-2010, Code Aurora Forum.
      9  * All rights reserved.
     10  *
     11  * Author: Rickard E. (Rik) Faith <faith (at) valinux.com>
     12  * Author: Gareth Hughes <gareth (at) valinux.com>
     13  *
     14  * Permission is hereby granted, free of charge, to any person obtaining a
     15  * copy of this software and associated documentation files (the "Software"),
     16  * to deal in the Software without restriction, including without limitation
     17  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     18  * and/or sell copies of the Software, and to permit persons to whom the
     19  * Software is furnished to do so, subject to the following conditions:
     20  *
     21  * The above copyright notice and this permission notice (including the next
     22  * paragraph) shall be included in all copies or substantial portions of the
     23  * Software.
     24  *
     25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     26  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     27  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     28  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     29  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     30  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     31  * OTHER DEALINGS IN THE SOFTWARE.
     32  */
     33 
     34 #ifndef _DRM_PCI_H_
     35 #define _DRM_PCI_H_
     36 
     37 #include <linux/pci.h>
     38 
     39 struct drm_dma_handle;
     40 struct drm_device;
     41 struct drm_driver;
     42 struct drm_master;
     43 
     44 #ifdef CONFIG_PCI
     45 
     46 struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
     47 				     size_t align);
     48 void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
     49 
     50 int drm_get_pci_dev(struct pci_dev *pdev,
     51 		    const struct pci_device_id *ent,
     52 		    struct drm_driver *driver);
     53 
     54 #else
     55 
     56 static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev,
     57 						   size_t size, size_t align)
     58 {
     59 	return NULL;
     60 }
     61 
     62 static inline void drm_pci_free(struct drm_device *dev,
     63 				struct drm_dma_handle *dmah)
     64 {
     65 }
     66 
     67 static inline int drm_get_pci_dev(struct pci_dev *pdev,
     68 				  const struct pci_device_id *ent,
     69 				  struct drm_driver *driver)
     70 {
     71 	return -ENOSYS;
     72 }
     73 
     74 #endif
     75 
     76 #ifdef __NetBSD__
     77 int drm_pci_request_irq(struct drm_device *, int);
     78 void drm_pci_free_irq(struct drm_device *);
     79 int drm_pci_attach(struct drm_device *, struct pci_dev *);
     80 void drm_pci_detach(struct drm_device *);
     81 #endif
     82 
     83 #endif /* _DRM_PCI_H_ */
     84