drivers/gpu/drm/nouveau/nvkm/engine/mspdec/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/mspdec.h>
  25 #include <engine/falcon.h>
  26
  27 /*******************************************************************************
  28  * MSPDEC object classes
  29  ******************************************************************************/
  30
  31 static struct nvkm_oclass
  32 g98_mspdec_sclass[] = {
  33         { 0x88b2, &nvkm_object_ofuncs },
  34         { 0x85b2, &nvkm_object_ofuncs },
  35         {},
  36 };
  37
  38 /*******************************************************************************
  39  * PMSPDEC context
  40  ******************************************************************************/
  41
  42 static struct nvkm_oclass
  43 g98_mspdec_cclass = {
  44         .handle = NV_ENGCTX(MSPDEC, 0x98),
  45         .ofuncs = &(struct nvkm_ofuncs) {
  46                 .ctor = _nvkm_falcon_context_ctor,
  47                 .dtor = _nvkm_falcon_context_dtor,
  48                 .init = _nvkm_falcon_context_init,
  49                 .fini = _nvkm_falcon_context_fini,
  50                 .rd32 = _nvkm_falcon_context_rd32,
  51                 .wr32 = _nvkm_falcon_context_wr32,
  52         },
  53 };
  54
  55 /*******************************************************************************
  56  * PMSPDEC engine/subdev functions
  57  ******************************************************************************/
  58
  59 static int
  60 g98_mspdec_init(struct nvkm_object *object)
  61 {
  62         struct nvkm_falcon *mspdec = (void *)object;
  63         struct nvkm_device *device = mspdec->engine.subdev.device;
  64         int ret;
  65
  66         ret = nvkm_falcon_init(mspdec);
  67         if (ret)
  68                 return ret;
  69
  70         nvkm_wr32(device, 0x085010, 0x0000ffd2);
  71         nvkm_wr32(device, 0x08501c, 0x0000fff2);
  72         return 0;
  73 }
  74
  75 static int
  76 g98_mspdec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  77                 struct nvkm_oclass *oclass, void *data, u32 size,
  78                 struct nvkm_object **pobject)
  79 {
  80         struct nvkm_falcon *mspdec;
  81         int ret;
  82
  83         ret = nvkm_falcon_create(parent, engine, oclass, 0x085000, true,
  84                                  "PMSPDEC", "mspdec", &mspdec);
  85         *pobject = nv_object(mspdec);
  86         if (ret)
  87                 return ret;
  88
  89         nv_subdev(mspdec)->unit = 0x01020000;
  90         nv_engine(mspdec)->cclass = &g98_mspdec_cclass;
  91         nv_engine(mspdec)->sclass = g98_mspdec_sclass;
  92         return 0;
  93 }
  94
  95 struct nvkm_oclass
  96 g98_mspdec_oclass = {
  97         .handle = NV_ENGINE(MSPDEC, 0x98),
  98         .ofuncs = &(struct nvkm_ofuncs) {
  99                 .ctor = g98_mspdec_ctor,
 100                 .dtor = _nvkm_falcon_dtor,
 101                 .init = g98_mspdec_init,
 102                 .fini = _nvkm_falcon_fini,
 103         },
 104 };