drivers/gpu/drm/nouveau/core/engine/mpeg/nv84.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
  25 #include <core/os.h>
  26 #include <core/class.h>
  27 #include <core/engctx.h>
  28
  29 #include <subdev/vm.h>
  30 #include <subdev/bar.h>
  31 #include <subdev/timer.h>
  32
  33 #include <engine/mpeg.h>
  34
  35 struct nv84_mpeg_priv {
  36         struct nouveau_mpeg base;
  37 };
  38
  39 struct nv84_mpeg_chan {
  40         struct nouveau_mpeg_chan base;
  41 };
  42
  43 /*******************************************************************************
  44  * MPEG object classes
  45  ******************************************************************************/
  46
  47 static struct nouveau_oclass
  48 nv84_mpeg_sclass[] = {
  49         { 0x8274, &nv50_mpeg_ofuncs },
  50         {}
  51 };
  52
  53 /*******************************************************************************
  54  * PMPEG context
  55  ******************************************************************************/
  56
  57 static struct nouveau_oclass
  58 nv84_mpeg_cclass = {
  59         .handle = NV_ENGCTX(MPEG, 0x84),
  60         .ofuncs = &(struct nouveau_ofuncs) {
  61                 .ctor = nv50_mpeg_context_ctor,
  62                 .dtor = _nouveau_mpeg_context_dtor,
  63                 .init = _nouveau_mpeg_context_init,
  64                 .fini = _nouveau_mpeg_context_fini,
  65                 .rd32 = _nouveau_mpeg_context_rd32,
  66                 .wr32 = _nouveau_mpeg_context_wr32,
  67         },
  68 };
  69
  70 /*******************************************************************************
  71  * PMPEG engine/subdev functions
  72  ******************************************************************************/
  73
  74 static int
  75 nv84_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
  76                struct nouveau_oclass *oclass, void *data, u32 size,
  77                struct nouveau_object **pobject)
  78 {
  79         struct nv84_mpeg_priv *priv;
  80         int ret;
  81
  82         ret = nouveau_mpeg_create(parent, engine, oclass, &priv);
  83         *pobject = nv_object(priv);
  84         if (ret)
  85                 return ret;
  86
  87         nv_subdev(priv)->unit = 0x00000002;
  88         nv_subdev(priv)->intr = nv50_mpeg_intr;
  89         nv_engine(priv)->cclass = &nv84_mpeg_cclass;
  90         nv_engine(priv)->sclass = nv84_mpeg_sclass;
  91         nv_engine(priv)->tlb_flush = nv50_mpeg_tlb_flush;
  92         return 0;
  93 }
  94
  95 struct nouveau_oclass
  96 nv84_mpeg_oclass = {
  97         .handle = NV_ENGINE(MPEG, 0x84),
  98         .ofuncs = &(struct nouveau_ofuncs) {
  99                 .ctor = nv84_mpeg_ctor,
 100                 .dtor = _nouveau_mpeg_dtor,
 101                 .init = nv50_mpeg_init,
 102                 .fini = _nouveau_mpeg_fini,
 103         },
 104 };