savage_drv.c

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    1 /* savage_drv.c -- Savage DRI driver
    2  */
    3 /*-
    4  * Copyright 2005 Eric Anholt
    5  * All Rights Reserved.
    6  *
    7  * Permission is hereby granted, free of charge, to any person obtaining a
    8  * copy of this software and associated documentation files (the "Software"),
    9  * to deal in the Software without restriction, including without limitation
   10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   11  * and/or sell copies of the Software, and to permit persons to whom the
   12  * Software is furnished to do so, subject to the following conditions:
   13  *
   14  * The above copyright notice and this permission notice (including the next
   15  * paragraph) shall be included in all copies or substantial portions of the
   16  * Software.
   17  *
   18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   21  * ERIC ANHOLT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   22  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   24  *
   25  * Authors:
   26  *    Eric Anholt <anholt@FreeBSD.org>
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __FBSDID("$FreeBSD: releng/9.0/sys/dev/drm/savage_drv.c 189563 2009-03-09 07:55:18Z rnoland $");
   31 
   32 #include "dev/drm/drmP.h"
   33 #include "dev/drm/drm.h"
   34 #include "dev/drm/savage_drm.h"
   35 #include "dev/drm/savage_drv.h"
   36 #include "dev/drm/drm_pciids.h"
   37 
   38 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
   39 static drm_pci_id_list_t savage_pciidlist[] = {
   40         savage_PCI_IDS
   41 };
   42 
   43 static void savage_configure(struct drm_device *dev)
   44 {
   45         dev->driver->driver_features =
   46             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
   47             DRIVER_HAVE_DMA;
   48 
   49         dev->driver->buf_priv_size      = sizeof(drm_savage_buf_priv_t);
   50         dev->driver->load               = savage_driver_load;
   51         dev->driver->firstopen          = savage_driver_firstopen;
   52         dev->driver->lastclose          = savage_driver_lastclose;
   53         dev->driver->unload             = savage_driver_unload;
   54         dev->driver->reclaim_buffers_locked = savage_reclaim_buffers;
   55         dev->driver->dma_ioctl          = savage_bci_buffers;
   56 
   57         dev->driver->ioctls             = savage_ioctls;
   58         dev->driver->max_ioctl          = savage_max_ioctl;
   59 
   60         dev->driver->name               = DRIVER_NAME;
   61         dev->driver->desc               = DRIVER_DESC;
   62         dev->driver->date               = DRIVER_DATE;
   63         dev->driver->major              = DRIVER_MAJOR;
   64         dev->driver->minor              = DRIVER_MINOR;
   65         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
   66 }
   67 
   68 static int
   69 savage_probe(device_t kdev)
   70 {
   71         return drm_probe(kdev, savage_pciidlist);
   72 }
   73 
   74 static int
   75 savage_attach(device_t kdev)
   76 {
   77         struct drm_device *dev = device_get_softc(kdev);
   78 
   79         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
   80             M_WAITOK | M_ZERO);
   81 
   82         savage_configure(dev);
   83 
   84         return drm_attach(kdev, savage_pciidlist);
   85 }
   86 
   87 static int
   88 savage_detach(device_t kdev)
   89 {
   90         struct drm_device *dev = device_get_softc(kdev);
   91         int ret;
   92 
   93         ret = drm_detach(kdev);
   94 
   95         free(dev->driver, DRM_MEM_DRIVER);
   96 
   97         return ret;
   98 }
   99 
  100 static device_method_t savage_methods[] = {
  101         /* Device interface */
  102         DEVMETHOD(device_probe,         savage_probe),
  103         DEVMETHOD(device_attach,        savage_attach),
  104         DEVMETHOD(device_detach,        savage_detach),
  105 
  106         { 0, 0 }
  107 };
  108 
  109 static driver_t savage_driver = {
  110         "drm",
  111         savage_methods,
  112         sizeof(struct drm_device)
  113 };
  114 
  115 extern devclass_t drm_devclass;
  116 #if __FreeBSD_version >= 700010
  117 DRIVER_MODULE(savage, vgapci, savage_driver, drm_devclass, 0, 0);
  118 #else
  119 DRIVER_MODULE(savage, pci, savage_driver, drm_devclass, 0, 0);
  120 #endif
  121 MODULE_DEPEND(savage, drm, 1, 1, 1);

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FreeBSD/Linux Kernel Cross Reference sys/dev/drm/savage_drv.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/savage_drv.c