kernel/drivers/gpu/drm/nouveau/nvkm/engine/msvld/gk104.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 #include <engine/msvld.h>
  25 #include <engine/falcon.h>
  26
  27 struct gk104_msvld_priv {
  28         struct nvkm_falcon base;
  29 };
  30
  31 /*******************************************************************************
  32  * MSVLD object classes
  33  ******************************************************************************/
  34
  35 static struct nvkm_oclass
  36 gk104_msvld_sclass[] = {
  37         { 0x95b1, &nvkm_object_ofuncs },
  38         {},
  39 };
  40
  41 /*******************************************************************************
  42  * PMSVLD context
  43  ******************************************************************************/
  44
  45 static struct nvkm_oclass
  46 gk104_msvld_cclass = {
  47         .handle = NV_ENGCTX(MSVLD, 0xe0),
  48         .ofuncs = &(struct nvkm_ofuncs) {
  49                 .ctor = _nvkm_falcon_context_ctor,
  50                 .dtor = _nvkm_falcon_context_dtor,
  51                 .init = _nvkm_falcon_context_init,
  52                 .fini = _nvkm_falcon_context_fini,
  53                 .rd32 = _nvkm_falcon_context_rd32,
  54                 .wr32 = _nvkm_falcon_context_wr32,
  55         },
  56 };
  57
  58 /*******************************************************************************
  59  * PMSVLD engine/subdev functions
  60  ******************************************************************************/
  61
  62 static int
  63 gk104_msvld_init(struct nvkm_object *object)
  64 {
  65         struct gk104_msvld_priv *priv = (void *)object;
  66         int ret;
  67
  68         ret = nvkm_falcon_init(&priv->base);
  69         if (ret)
  70                 return ret;
  71
  72         nv_wr32(priv, 0x084010, 0x0000fff2);
  73         nv_wr32(priv, 0x08401c, 0x0000fff2);
  74         return 0;
  75 }
  76
  77 static int
  78 gk104_msvld_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  79                  struct nvkm_oclass *oclass, void *data, u32 size,
  80                  struct nvkm_object **pobject)
  81 {
  82         struct gk104_msvld_priv *priv;
  83         int ret;
  84
  85         ret = nvkm_falcon_create(parent, engine, oclass, 0x084000, true,
  86                                  "PMSVLD", "msvld", &priv);
  87         *pobject = nv_object(priv);
  88         if (ret)
  89                 return ret;
  90
  91         nv_subdev(priv)->unit = 0x00008000;
  92         nv_subdev(priv)->intr = nvkm_falcon_intr;
  93         nv_engine(priv)->cclass = &gk104_msvld_cclass;
  94         nv_engine(priv)->sclass = gk104_msvld_sclass;
  95         return 0;
  96 }
  97
  98 struct nvkm_oclass
  99 gk104_msvld_oclass = {
 100         .handle = NV_ENGINE(MSVLD, 0xe0),
 101         .ofuncs = &(struct nvkm_ofuncs) {
 102                 .ctor = gk104_msvld_ctor,
 103                 .dtor = _nvkm_falcon_dtor,
 104                 .init = gk104_msvld_init,
 105                 .fini = _nvkm_falcon_fini,
 106                 .rd32 = _nvkm_falcon_rd32,
 107                 .wr32 = _nvkm_falcon_wr32,
 108         },
 109 };