sys/dev/drm/savage/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 <drm/drmP.h>
  30 #include "savage_drm.h"
  31 #include "savage_drv.h"
  32 #include <drm/drm_pciids.h>
  33
  34 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  35 static drm_pci_id_list_t savage_pciidlist[] = {
  36         savage_PCI_IDS
  37 };
  38
  39 static void savage_configure(struct drm_device *dev)
  40 {
  41         dev->driver->driver_features =
  42             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
  43             DRIVER_HAVE_DMA;
  44
  45         dev->driver->buf_priv_size      = sizeof(drm_savage_buf_priv_t);
  46         dev->driver->load               = savage_driver_load;
  47         dev->driver->firstopen          = savage_driver_firstopen;
  48         dev->driver->lastclose          = savage_driver_lastclose;
  49         dev->driver->unload             = savage_driver_unload;
  50         dev->driver->reclaim_buffers_locked = savage_reclaim_buffers;
  51         dev->driver->dma_ioctl          = savage_bci_buffers;
  52
  53         dev->driver->ioctls             = savage_ioctls;
  54         dev->driver->max_ioctl          = savage_max_ioctl;
  55
  56         dev->driver->name               = DRIVER_NAME;
  57         dev->driver->desc               = DRIVER_DESC;
  58         dev->driver->date               = DRIVER_DATE;
  59         dev->driver->major              = DRIVER_MAJOR;
  60         dev->driver->minor              = DRIVER_MINOR;
  61         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  62 }
  63
  64 static int
  65 savage_probe(device_t kdev)
  66 {
  67         return drm_probe(kdev, savage_pciidlist);
  68 }
  69
  70 static int
  71 savage_attach(device_t kdev)
  72 {
  73         struct drm_device *dev = device_get_softc(kdev);
  74
  75         dev->driver = kmalloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
  76             M_WAITOK | M_ZERO);
  77
  78         savage_configure(dev);
  79
  80         return drm_attach(kdev, savage_pciidlist);
  81 }
  82
  83 static int
  84 savage_detach(device_t kdev)
  85 {
  86         struct drm_device *dev = device_get_softc(kdev);
  87         int ret;
  88
  89         ret = drm_detach(kdev);
  90
  91         kfree(dev->driver, DRM_MEM_DRIVER);
  92
  93         return ret;
  94 }
  95
  96 static device_method_t savage_methods[] = {
  97         /* Device interface */
  98         DEVMETHOD(device_probe,         savage_probe),
  99         DEVMETHOD(device_attach,        savage_attach),
 100         DEVMETHOD(device_detach,        savage_detach),
 101
 102         DEVMETHOD_END
 103 };
 104
 105 static driver_t savage_driver = {
 106         "drm",
 107         savage_methods,
 108         sizeof(struct drm_device)
 109 };
 110
 111 extern devclass_t drm_devclass;
 112 DRIVER_MODULE(savage, vgapci, savage_driver, drm_devclass, NULL, NULL);
 113 MODULE_DEPEND(savage, drm, 1, 1, 1);