drivers/gpu/drm/nouveau/nvkm/engine/msppp/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/msppp.h>
  25 #include <engine/falcon.h>
  26
  27 /*******************************************************************************
  28  * MSPPP object classes
  29  ******************************************************************************/
  30
  31 static struct nvkm_oclass
  32 g98_msppp_sclass[] = {
  33         { 0x88b3, &nvkm_object_ofuncs },
  34         { 0x85b3, &nvkm_object_ofuncs },
  35         {},
  36 };
  37
  38 /*******************************************************************************
  39  * PMSPPP context
  40  ******************************************************************************/
  41
  42 static struct nvkm_oclass
  43 g98_msppp_cclass = {
  44         .handle = NV_ENGCTX(MSPPP, 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  * PMSPPP engine/subdev functions
  57  ******************************************************************************/
  58
  59 static int
  60 g98_msppp_init(struct nvkm_object *object)
  61 {
  62         struct nvkm_falcon *msppp = (void *)object;
  63         struct nvkm_device *device = msppp->engine.subdev.device;
  64         int ret;
  65
  66         ret = nvkm_falcon_init(msppp);
  67         if (ret)
  68                 return ret;
  69
  70         nvkm_wr32(device, 0x086010, 0x0000ffd2);
  71         nvkm_wr32(device, 0x08601c, 0x0000fff2);
  72         return 0;
  73 }
  74
  75 static const struct nvkm_falcon_func
  76 g98_msppp_func = {
  77 };
  78
  79 static int
  80 g98_msppp_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  81                struct nvkm_oclass *oclass, void *data, u32 size,
  82                struct nvkm_object **pobject)
  83 {
  84         struct nvkm_falcon *msppp;
  85         int ret;
  86
  87         ret = nvkm_falcon_create(&g98_msppp_func, parent, engine, oclass,
  88                                  0x086000, true, "PMSPPP", "msppp", &msppp);
  89         *pobject = nv_object(msppp);
  90         if (ret)
  91                 return ret;
  92
  93         nv_subdev(msppp)->unit = 0x00400002;
  94         nv_engine(msppp)->cclass = &g98_msppp_cclass;
  95         nv_engine(msppp)->sclass = g98_msppp_sclass;
  96         return 0;
  97 }
  98
  99 struct nvkm_oclass
 100 g98_msppp_oclass = {
 101         .handle = NV_ENGINE(MSPPP, 0x98),
 102         .ofuncs = &(struct nvkm_ofuncs) {
 103                 .ctor = g98_msppp_ctor,
 104                 .dtor = _nvkm_falcon_dtor,
 105                 .init = g98_msppp_init,
 106                 .fini = _nvkm_falcon_fini,
 107         },
 108 };