sys/dev/drm/savage_drv.c

   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("$FreeBSD$");
  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);