drivers/gpu/drm/nouveau/core/subdev/device/nv20.c

   1 /*
   2  * Copyright 2012 Red Hat Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Ben Skeggs
  23  */
  24
  25 #include <subdev/device.h>
  26 #include <subdev/bios.h>
  27
  28 int
  29 nv20_identify(struct nouveau_device *device)
  30 {
  31         switch (device->chipset) {
  32         case 0x20:
  33                 device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
  34                 break;
  35         case 0x25:
  36                 device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
  37                 break;
  38         case 0x28:
  39                 device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
  40                 break;
  41         case 0x2a:
  42                 device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
  43                 break;
  44         default:
  45                 nv_fatal(device, "unknown Kelvin chipset\n");
  46                 return -EINVAL;
  47         }
  48
  49         return 0;
  50 }