drivers/gpu/drm/nouveau/nvkm/engine/mpeg/g84.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/mpeg.h>
  25
  26 struct g84_mpeg_priv {
  27         struct nvkm_mpeg base;
  28 };
  29
  30 struct g84_mpeg_chan {
  31         struct nvkm_mpeg_chan base;
  32 };
  33
  34 /*******************************************************************************
  35  * MPEG object classes
  36  ******************************************************************************/
  37
  38 static struct nvkm_oclass
  39 g84_mpeg_sclass[] = {
  40         { 0x8274, &nv50_mpeg_ofuncs },
  41         {}
  42 };
  43
  44 /*******************************************************************************
  45  * PMPEG context
  46  ******************************************************************************/
  47
  48 static struct nvkm_oclass
  49 g84_mpeg_cclass = {
  50         .handle = NV_ENGCTX(MPEG, 0x84),
  51         .ofuncs = &(struct nvkm_ofuncs) {
  52                 .ctor = nv50_mpeg_context_ctor,
  53                 .dtor = _nvkm_mpeg_context_dtor,
  54                 .init = _nvkm_mpeg_context_init,
  55                 .fini = _nvkm_mpeg_context_fini,
  56                 .rd32 = _nvkm_mpeg_context_rd32,
  57                 .wr32 = _nvkm_mpeg_context_wr32,
  58         },
  59 };
  60
  61 /*******************************************************************************
  62  * PMPEG engine/subdev functions
  63  ******************************************************************************/
  64
  65 static int
  66 g84_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  67               struct nvkm_oclass *oclass, void *data, u32 size,
  68               struct nvkm_object **pobject)
  69 {
  70         struct g84_mpeg_priv *priv;
  71         int ret;
  72
  73         ret = nvkm_mpeg_create(parent, engine, oclass, &priv);
  74         *pobject = nv_object(priv);
  75         if (ret)
  76                 return ret;
  77
  78         nv_subdev(priv)->unit = 0x00000002;
  79         nv_subdev(priv)->intr = nv50_mpeg_intr;
  80         nv_engine(priv)->cclass = &g84_mpeg_cclass;
  81         nv_engine(priv)->sclass = g84_mpeg_sclass;
  82         return 0;
  83 }
  84
  85 struct nvkm_oclass
  86 g84_mpeg_oclass = {
  87         .handle = NV_ENGINE(MPEG, 0x84),
  88         .ofuncs = &(struct nvkm_ofuncs) {
  89                 .ctor = g84_mpeg_ctor,
  90                 .dtor = _nvkm_mpeg_dtor,
  91                 .init = nv50_mpeg_init,
  92                 .fini = _nvkm_mpeg_fini,
  93         },
  94 };