drivers/gpu/drm/nouveau/nvkm/engine/pm/gk110.c

   1 /*
   2  * Copyright 2013 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 #include "gf100.h"
  25
  26 static int
  27 gk110_pm_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  28               struct nvkm_oclass *oclass, void *data, u32 size,
  29               struct nvkm_object **pobject)
  30 {
  31         struct gf100_pm_priv *priv;
  32         int ret;
  33
  34         ret = nvkm_pm_create(parent, engine, oclass, &priv);
  35         *pobject = nv_object(priv);
  36         if (ret)
  37                 return ret;
  38
  39         ret = nvkm_perfdom_new(&priv->base, "pwr", 0, 0, 0, 0, gk104_pm_pwr);
  40         if (ret)
  41                 return ret;
  42
  43         nv_engine(priv)->cclass = &nvkm_pm_cclass;
  44         nv_engine(priv)->sclass =  nvkm_pm_sclass;
  45         return 0;
  46 }
  47
  48 struct nvkm_oclass
  49 gk110_pm_oclass = {
  50         .handle = NV_ENGINE(PM, 0xf0),
  51         .ofuncs = &(struct nvkm_ofuncs) {
  52                 .ctor = gk110_pm_ctor,
  53                 .dtor = _nvkm_pm_dtor,
  54                 .init = _nvkm_pm_init,
  55                 .fini = gf100_pm_fini,
  56         },
  57 };