sys/external/bsd/drm/dist/bsd-core/nouveau_drv.c

   1 /* nouveau_drv.c.c -- nouveau nouveau driver -*- linux-c -*-
   2  * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
   3  */
   4 /*-
   5  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the next
  16  * paragraph) shall be included in all copies or substantial portions of the
  17  * Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  25  * OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  * Authors:
  28  *    Gareth Hughes <gareth@valinux.com>
  29  *
  30  */
  31
  32 #include "drmP.h"
  33 #include "drm.h"
  34 #include "nouveau_drv.h"
  35 #include "drm_pciids.h"
  36
  37 extern struct drm_ioctl_desc nouveau_ioctls[];
  38 extern int nouveau_max_ioctl;
  39
  40 /* drv_PCI_IDs for nouveau is just to match the vendor id */
  41 static struct drm_pci_id_list nouveau_pciidlist[] = {
  42         {0x10DE, 0, 0, "NVidia Display Adapter"}, \
  43         {0, 0, 0, NULL}
  44 };
  45
  46 static void nouveau_configure(struct drm_device *dev)
  47 {
  48         dev->driver->driver_features =
  49            DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ;
  50
  51         dev->driver->buf_priv_size      = sizeof(struct drm_nouveau_private);
  52         dev->driver->load               = nouveau_load;
  53         dev->driver->unload             = nouveau_unload;
  54         dev->driver->firstopen          = nouveau_firstopen;
  55         dev->driver->preclose           = nouveau_preclose;
  56         dev->driver->lastclose          = nouveau_lastclose;
  57         dev->driver->irq_preinstall     = nouveau_irq_preinstall;
  58         dev->driver->irq_postinstall    = nouveau_irq_postinstall;
  59         dev->driver->irq_uninstall      = nouveau_irq_uninstall;
  60         dev->driver->irq_handler        = nouveau_irq_handler;
  61
  62         dev->driver->ioctls             = nouveau_ioctls;
  63         dev->driver->max_ioctl          = nouveau_max_ioctl;
  64
  65         dev->driver->name               = DRIVER_NAME;
  66         dev->driver->desc               = DRIVER_DESC;
  67         dev->driver->date               = DRIVER_DATE;
  68         dev->driver->major              = DRIVER_MAJOR;
  69         dev->driver->minor              = DRIVER_MINOR;
  70         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  71 }
  72
  73 static int
  74 nouveau_probe(device_t kdev)
  75 {
  76         int vendor;
  77
  78         if (pci_get_class(kdev) == PCIC_DISPLAY) {
  79                 vendor = pci_get_vendor(kdev);
  80                 if (vendor == 0x10de) {
  81
  82                         const char *ident;
  83                         char model[64];
  84
  85                         if (pci_get_vpd_ident(kdev, &ident) == 0) {
  86                                 snprintf(model, 64, "%s", ident);
  87                                 device_set_desc_copy(kdev, model);
  88                                 DRM_DEBUG("VPD : %s\n", model);
  89                         }
  90
  91                         return drm_probe(kdev, nouveau_pciidlist);
  92                 }
  93         }
  94         return ENXIO;
  95 }
  96
  97 static int
  98 nouveau_attach(device_t kdev)
  99 {
 100         struct drm_device *dev = device_get_softc(kdev);
 101
 102         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
 103             M_WAITOK | M_ZERO);
 104
 105         nouveau_configure(dev);
 106
 107         return drm_attach(kdev, nouveau_pciidlist);
 108 }
 109
 110 static int
 111 nouveau_detach(device_t kdev)
 112 {
 113         struct drm_device *dev = device_get_softc(kdev);
 114         int ret;
 115
 116         ret = drm_detach(kdev);
 117
 118         free(dev->driver, DRM_MEM_DRIVER);
 119
 120         return ret;
 121 }
 122
 123 static device_method_t nouveau_methods[] = {
 124         /* Device interface */
 125         DEVMETHOD(device_probe,         nouveau_probe),
 126         DEVMETHOD(device_attach,        nouveau_attach),
 127         DEVMETHOD(device_detach,        nouveau_detach),
 128
 129         { 0, 0 }
 130 };
 131
 132 static driver_t nouveau_driver = {
 133 #if __FreeBSD_version >= 700010
 134         "drm",
 135 #else
 136         "drmsub",
 137 #endif
 138         nouveau_methods,
 139         sizeof(struct drm_device)
 140 };
 141
 142 extern devclass_t drm_devclass;
 143 #if __FreeBSD_version >= 700010
 144 DRIVER_MODULE(nouveau, vgapci, nouveau_driver, drm_devclass, 0, 0);
 145 #else
 146 DRIVER_MODULE(nouveau, agp, nouveau_driver, drm_devclass, 0, 0);
 147 #endif
 148 MODULE_DEPEND(nouveau, drm, 1, 1, 1);