drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf117.c

   1 /*
   2  * Copyright 2015 Samuel Pitosiet
   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: Samuel Pitoiset
  23  */
  24 #include "priv.h"
  25
  26 static int
  27 gf117_ibus_init(struct nvkm_subdev *ibus)
  28 {
  29         struct nvkm_device *device = ibus->device;
  30         nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800);
  31         nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100);
  32         nvkm_mask(device, 0x1223b0, 0x0003ffff, 0x00000fff);
  33         return 0;
  34 }
  35
  36 static const struct nvkm_subdev_func
  37 gf117_ibus = {
  38         .init = gf117_ibus_init,
  39         .intr = gf100_ibus_intr,
  40 };
  41
  42 int
  43 gf117_ibus_new(struct nvkm_device *device, int index,
  44                struct nvkm_subdev **pibus)
  45 {
  46         struct nvkm_subdev *ibus;
  47         if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
  48                 return -ENOMEM;
  49         nvkm_subdev_ctor(&gf117_ibus, device, index, 0, ibus);
  50         return 0;
  51 }