drivers/gpu/drm/nouveau/nvkm/engine/mspdec/gf100.c

   1 /*
   2  * Copyright 2012 Maarten Lankhorst
   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: Maarten Lankhorst
  23  */
  24 #include <engine/mspdec.h>
  25 #include <engine/falcon.h>
  26
  27 /*******************************************************************************
  28  * MSPDEC object classes
  29  ******************************************************************************/
  30
  31 static struct nvkm_oclass
  32 gf100_mspdec_sclass[] = {
  33         { 0x90b2, &nvkm_object_ofuncs },
  34         {},
  35 };
  36
  37 /*******************************************************************************
  38  * PMSPDEC context
  39  ******************************************************************************/
  40
  41 static struct nvkm_oclass
  42 gf100_mspdec_cclass = {
  43         .handle = NV_ENGCTX(MSPDEC, 0xc0),
  44         .ofuncs = &(struct nvkm_ofuncs) {
  45                 .ctor = _nvkm_falcon_context_ctor,
  46                 .dtor = _nvkm_falcon_context_dtor,
  47                 .init = _nvkm_falcon_context_init,
  48                 .fini = _nvkm_falcon_context_fini,
  49                 .rd32 = _nvkm_falcon_context_rd32,
  50                 .wr32 = _nvkm_falcon_context_wr32,
  51         },
  52 };
  53
  54 /*******************************************************************************
  55  * PMSPDEC engine/subdev functions
  56  ******************************************************************************/
  57
  58 static int
  59 gf100_mspdec_init(struct nvkm_object *object)
  60 {
  61         struct nvkm_falcon *mspdec = (void *)object;
  62         int ret;
  63
  64         ret = nvkm_falcon_init(mspdec);
  65         if (ret)
  66                 return ret;
  67
  68         nv_wr32(mspdec, 0x085010, 0x0000fff2);
  69         nv_wr32(mspdec, 0x08501c, 0x0000fff2);
  70         return 0;
  71 }
  72
  73 static int
  74 gf100_mspdec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  75                   struct nvkm_oclass *oclass, void *data, u32 size,
  76                   struct nvkm_object **pobject)
  77 {
  78         struct nvkm_falcon *mspdec;
  79         int ret;
  80
  81         ret = nvkm_falcon_create(parent, engine, oclass, 0x085000, true,
  82                                  "PMSPDEC", "mspdec", &mspdec);
  83         *pobject = nv_object(mspdec);
  84         if (ret)
  85                 return ret;
  86
  87         nv_subdev(mspdec)->unit = 0x00020000;
  88         nv_subdev(mspdec)->intr = nvkm_falcon_intr;
  89         nv_engine(mspdec)->cclass = &gf100_mspdec_cclass;
  90         nv_engine(mspdec)->sclass = gf100_mspdec_sclass;
  91         return 0;
  92 }
  93
  94 struct nvkm_oclass
  95 gf100_mspdec_oclass = {
  96         .handle = NV_ENGINE(MSPDEC, 0xc0),
  97         .ofuncs = &(struct nvkm_ofuncs) {
  98                 .ctor = gf100_mspdec_ctor,
  99                 .dtor = _nvkm_falcon_dtor,
 100                 .init = gf100_mspdec_init,
 101                 .fini = _nvkm_falcon_fini,
 102                 .rd32 = _nvkm_falcon_rd32,
 103                 .wr32 = _nvkm_falcon_wr32,
 104         },
 105 };