kernel/drivers/gpu/drm/nouveau/nvkm/engine/msvld/g98.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, Maarten Lankhorst, Ilia Mirkin
  23  */
  24 #include <engine/msvld.h>
  25 #include <engine/falcon.h>
  26
  27 struct g98_msvld_priv {
  28         struct nvkm_falcon base;
  29 };
  30
  31 /*******************************************************************************
  32  * MSVLD object classes
  33  ******************************************************************************/
  34
  35 static struct nvkm_oclass
  36 g98_msvld_sclass[] = {
  37         { 0x88b1, &nvkm_object_ofuncs },
  38         { 0x85b1, &nvkm_object_ofuncs },
  39         { 0x86b1, &nvkm_object_ofuncs },
  40         {},
  41 };
  42
  43 /*******************************************************************************
  44  * PMSVLD context
  45  ******************************************************************************/
  46
  47 static struct nvkm_oclass
  48 g98_msvld_cclass = {
  49         .handle = NV_ENGCTX(MSVLD, 0x98),
  50         .ofuncs = &(struct nvkm_ofuncs) {
  51                 .ctor = _nvkm_falcon_context_ctor,
  52                 .dtor = _nvkm_falcon_context_dtor,
  53                 .init = _nvkm_falcon_context_init,
  54                 .fini = _nvkm_falcon_context_fini,
  55                 .rd32 = _nvkm_falcon_context_rd32,
  56                 .wr32 = _nvkm_falcon_context_wr32,
  57         },
  58 };
  59
  60 /*******************************************************************************
  61  * PMSVLD engine/subdev functions
  62  ******************************************************************************/
  63
  64 static int
  65 g98_msvld_init(struct nvkm_object *object)
  66 {
  67         struct g98_msvld_priv *priv = (void *)object;
  68         int ret;
  69
  70         ret = nvkm_falcon_init(&priv->base);
  71         if (ret)
  72                 return ret;
  73
  74         nv_wr32(priv, 0x084010, 0x0000ffd2);
  75         nv_wr32(priv, 0x08401c, 0x0000fff2);
  76         return 0;
  77 }
  78
  79 static int
  80 g98_msvld_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  81                struct nvkm_oclass *oclass, void *data, u32 size,
  82                struct nvkm_object **pobject)
  83 {
  84         struct g98_msvld_priv *priv;
  85         int ret;
  86
  87         ret = nvkm_falcon_create(parent, engine, oclass, 0x084000, true,
  88                                  "PMSVLD", "msvld", &priv);
  89         *pobject = nv_object(priv);
  90         if (ret)
  91                 return ret;
  92
  93         nv_subdev(priv)->unit = 0x04008000;
  94         nv_engine(priv)->cclass = &g98_msvld_cclass;
  95         nv_engine(priv)->sclass = g98_msvld_sclass;
  96         return 0;
  97 }
  98
  99 struct nvkm_oclass
 100 g98_msvld_oclass = {
 101         .handle = NV_ENGINE(MSVLD, 0x98),
 102         .ofuncs = &(struct nvkm_ofuncs) {
 103                 .ctor = g98_msvld_ctor,
 104                 .dtor = _nvkm_falcon_dtor,
 105                 .init = g98_msvld_init,
 106                 .fini = _nvkm_falcon_fini,
 107                 .rd32 = _nvkm_falcon_rd32,
 108                 .wr32 = _nvkm_falcon_wr32,
 109         },
 110 };