drivers/gpu/drm/nouveau/nvkm/engine/msppp/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/msppp.h>
  25 #include <engine/falcon.h>
  26
  27 /*******************************************************************************
  28  * MSPPP object classes
  29  ******************************************************************************/
  30
  31 static struct nvkm_oclass
  32 gf100_msppp_sclass[] = {
  33         { 0x90b3, &nvkm_object_ofuncs },
  34         {},
  35 };
  36
  37 /*******************************************************************************
  38  * PMSPPP context
  39  ******************************************************************************/
  40
  41 static struct nvkm_oclass
  42 gf100_msppp_cclass = {
  43         .handle = NV_ENGCTX(MSPPP, 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  * PMSPPP engine/subdev functions
  56  ******************************************************************************/
  57
  58 static int
  59 gf100_msppp_init(struct nvkm_object *object)
  60 {
  61         struct nvkm_falcon *msppp = (void *)object;
  62         struct nvkm_device *device = msppp->engine.subdev.device;
  63         int ret;
  64
  65         ret = nvkm_falcon_init(msppp);
  66         if (ret)
  67                 return ret;
  68
  69         nvkm_wr32(device, 0x086010, 0x0000fff2);
  70         nvkm_wr32(device, 0x08601c, 0x0000fff2);
  71         return 0;
  72 }
  73
  74 static const struct nvkm_falcon_func
  75 gf100_msppp_func = {
  76 };
  77
  78 static int
  79 gf100_msppp_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  80                  struct nvkm_oclass *oclass, void *data, u32 size,
  81                  struct nvkm_object **pobject)
  82 {
  83         struct nvkm_falcon *msppp;
  84         int ret;
  85
  86         ret = nvkm_falcon_create(&gf100_msppp_func, parent, engine, oclass,
  87                                  0x086000, true, "PMSPPP", "msppp", &msppp);
  88         *pobject = nv_object(msppp);
  89         if (ret)
  90                 return ret;
  91
  92         nv_subdev(msppp)->unit = 0x00000002;
  93         nv_engine(msppp)->cclass = &gf100_msppp_cclass;
  94         nv_engine(msppp)->sclass = gf100_msppp_sclass;
  95         return 0;
  96 }
  97
  98 struct nvkm_oclass
  99 gf100_msppp_oclass = {
 100         .handle = NV_ENGINE(MSPPP, 0xc0),
 101         .ofuncs = &(struct nvkm_ofuncs) {
 102                 .ctor = gf100_msppp_ctor,
 103                 .dtor = _nvkm_falcon_dtor,
 104                 .init = gf100_msppp_init,
 105                 .fini = _nvkm_falcon_fini,
 106         },
 107 };