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kernel/linux-rt-4.4.41/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf117.c 1.78 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright 2015 Samuel Pitosiet
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   *
   * Authors: Samuel Pitoiset
   */
  #include "priv.h"
  
  static int
  gf117_ibus_init(struct nvkm_subdev *ibus)
  {
  	struct nvkm_device *device = ibus->device;
  	nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800);
  	nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100);
  	nvkm_mask(device, 0x1223b0, 0x0003ffff, 0x00000fff);
  	return 0;
  }
  
  static const struct nvkm_subdev_func
  gf117_ibus = {
  	.init = gf117_ibus_init,
  	.intr = gf100_ibus_intr,
  };
  
  int
  gf117_ibus_new(struct nvkm_device *device, int index,
  	       struct nvkm_subdev **pibus)
  {
  	struct nvkm_subdev *ibus;
  	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
  		return -ENOMEM;
  	nvkm_subdev_ctor(&gf117_ibus, device, index, 0, ibus);
  	return 0;
  }