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 /*******************************************************************************
  28  * MSVLD object classes
  29  ******************************************************************************/
  30
  31 static struct nvkm_oclass
  32 g98_msvld_sclass[] = {
  33         { 0x88b1, &nvkm_object_ofuncs },
  34         { 0x85b1, &nvkm_object_ofuncs },
  35         { 0x86b1, &nvkm_object_ofuncs },
  36         {},
  37 };
  38
  39 /*******************************************************************************
  40  * PMSVLD context
  41  ******************************************************************************/
  42
  43 static struct nvkm_oclass
  44 g98_msvld_cclass = {
  45         .handle = NV_ENGCTX(MSVLD, 0x98),
  46         .ofuncs = &(struct nvkm_ofuncs) {
  47                 .ctor = _nvkm_falcon_context_ctor,
  48                 .dtor = _nvkm_falcon_context_dtor,
  49                 .init = _nvkm_falcon_context_init,
  50                 .fini = _nvkm_falcon_context_fini,
  51                 .rd32 = _nvkm_falcon_context_rd32,
  52                 .wr32 = _nvkm_falcon_context_wr32,
  53         },
  54 };
  55
  56 /*******************************************************************************
  57  * PMSVLD engine/subdev functions
  58  ******************************************************************************/
  59
  60 static int
  61 g98_msvld_init(struct nvkm_object *object)
  62 {
  63         struct nvkm_falcon *msvld = (void *)object;
  64         struct nvkm_device *device = msvld->engine.subdev.device;
  65         int ret;
  66
  67         ret = nvkm_falcon_init(msvld);
  68         if (ret)
  69                 return ret;
  70
  71         nvkm_wr32(device, 0x084010, 0x0000ffd2);
  72         nvkm_wr32(device, 0x08401c, 0x0000fff2);
  73         return 0;
  74 }
  75
  76 static int
  77 g98_msvld_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  78                struct nvkm_oclass *oclass, void *data, u32 size,
  79                struct nvkm_object **pobject)
  80 {
  81         struct nvkm_falcon *msvld;
  82         int ret;
  83
  84         ret = nvkm_falcon_create(parent, engine, oclass, 0x084000, true,
  85                                  "PMSVLD", "msvld", &msvld);
  86         *pobject = nv_object(msvld);
  87         if (ret)
  88                 return ret;
  89
  90         nv_subdev(msvld)->unit = 0x04008000;
  91         nv_engine(msvld)->cclass = &g98_msvld_cclass;
  92         nv_engine(msvld)->sclass = g98_msvld_sclass;
  93         return 0;
  94 }
  95
  96 struct nvkm_oclass
  97 g98_msvld_oclass = {
  98         .handle = NV_ENGINE(MSVLD, 0x98),
  99         .ofuncs = &(struct nvkm_ofuncs) {
 100                 .ctor = g98_msvld_ctor,
 101                 .dtor = _nvkm_falcon_dtor,
 102                 .init = g98_msvld_init,
 103                 .fini = _nvkm_falcon_fini,
 104         },
 105 };