drivers/gpu/drm/nouveau/nvkm/engine/copy/nve0.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
  23  */
  24
  25 #include <core/os.h>
  26 #include <core/enum.h>
  27 #include <core/engctx.h>
  28
  29 #include <engine/copy.h>
  30
  31 struct nve0_copy_priv {
  32         struct nouveau_engine base;
  33 };
  34
  35 /*******************************************************************************
  36  * Copy object classes
  37  ******************************************************************************/
  38
  39 static struct nouveau_oclass
  40 nve0_copy_sclass[] = {
  41         { 0xa0b5, &nouveau_object_ofuncs },
  42         {},
  43 };
  44
  45 /*******************************************************************************
  46  * PCOPY context
  47  ******************************************************************************/
  48
  49 static struct nouveau_ofuncs
  50 nve0_copy_context_ofuncs = {
  51         .ctor = _nouveau_engctx_ctor,
  52         .dtor = _nouveau_engctx_dtor,
  53         .init = _nouveau_engctx_init,
  54         .fini = _nouveau_engctx_fini,
  55         .rd32 = _nouveau_engctx_rd32,
  56         .wr32 = _nouveau_engctx_wr32,
  57 };
  58
  59 static struct nouveau_oclass
  60 nve0_copy_cclass = {
  61         .handle = NV_ENGCTX(COPY0, 0xc0),
  62         .ofuncs = &nve0_copy_context_ofuncs,
  63 };
  64
  65 /*******************************************************************************
  66  * PCOPY engine/subdev functions
  67  ******************************************************************************/
  68
  69 static void
  70 nve0_copy_intr(struct nouveau_subdev *subdev)
  71 {
  72         const int ce = nv_subidx(subdev) - NVDEV_ENGINE_COPY0;
  73         struct nve0_copy_priv *priv = (void *)subdev;
  74         u32 stat = nv_rd32(priv, 0x104908 + (ce * 0x1000));
  75
  76         if (stat) {
  77                 nv_warn(priv, "unhandled intr 0x%08x\n", stat);
  78                 nv_wr32(priv, 0x104908 + (ce * 0x1000), stat);
  79         }
  80 }
  81
  82 static int
  83 nve0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
  84                 struct nouveau_oclass *oclass, void *data, u32 size,
  85                 struct nouveau_object **pobject)
  86 {
  87         struct nve0_copy_priv *priv;
  88         int ret;
  89
  90         ret = nouveau_engine_create(parent, engine, oclass, true,
  91                                     "PCE0", "copy0", &priv);
  92         *pobject = nv_object(priv);
  93         if (ret)
  94                 return ret;
  95
  96         nv_subdev(priv)->unit = 0x00000040;
  97         nv_subdev(priv)->intr = nve0_copy_intr;
  98         nv_engine(priv)->cclass = &nve0_copy_cclass;
  99         nv_engine(priv)->sclass = nve0_copy_sclass;
 100         return 0;
 101 }
 102
 103 static int
 104 nve0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 105                 struct nouveau_oclass *oclass, void *data, u32 size,
 106                 struct nouveau_object **pobject)
 107 {
 108         struct nve0_copy_priv *priv;
 109         int ret;
 110
 111         ret = nouveau_engine_create(parent, engine, oclass, true,
 112                                     "PCE1", "copy1", &priv);
 113         *pobject = nv_object(priv);
 114         if (ret)
 115                 return ret;
 116
 117         nv_subdev(priv)->unit = 0x00000080;
 118         nv_subdev(priv)->intr = nve0_copy_intr;
 119         nv_engine(priv)->cclass = &nve0_copy_cclass;
 120         nv_engine(priv)->sclass = nve0_copy_sclass;
 121         return 0;
 122 }
 123
 124 static int
 125 nve0_copy2_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 126                 struct nouveau_oclass *oclass, void *data, u32 size,
 127                 struct nouveau_object **pobject)
 128 {
 129         struct nve0_copy_priv *priv;
 130         int ret;
 131
 132         ret = nouveau_engine_create(parent, engine, oclass, true,
 133                                     "PCE2", "copy2", &priv);
 134         *pobject = nv_object(priv);
 135         if (ret)
 136                 return ret;
 137
 138         nv_subdev(priv)->unit = 0x00200000;
 139         nv_subdev(priv)->intr = nve0_copy_intr;
 140         nv_engine(priv)->cclass = &nve0_copy_cclass;
 141         nv_engine(priv)->sclass = nve0_copy_sclass;
 142         return 0;
 143 }
 144
 145 struct nouveau_oclass
 146 nve0_copy0_oclass = {
 147         .handle = NV_ENGINE(COPY0, 0xe0),
 148         .ofuncs = &(struct nouveau_ofuncs) {
 149                 .ctor = nve0_copy0_ctor,
 150                 .dtor = _nouveau_engine_dtor,
 151                 .init = _nouveau_engine_init,
 152                 .fini = _nouveau_engine_fini,
 153         },
 154 };
 155
 156 struct nouveau_oclass
 157 nve0_copy1_oclass = {
 158         .handle = NV_ENGINE(COPY1, 0xe0),
 159         .ofuncs = &(struct nouveau_ofuncs) {
 160                 .ctor = nve0_copy1_ctor,
 161                 .dtor = _nouveau_engine_dtor,
 162                 .init = _nouveau_engine_init,
 163                 .fini = _nouveau_engine_fini,
 164         },
 165 };
 166
 167 struct nouveau_oclass
 168 nve0_copy2_oclass = {
 169         .handle = NV_ENGINE(COPY2, 0xe0),
 170         .ofuncs = &(struct nouveau_ofuncs) {
 171                 .ctor = nve0_copy2_ctor,
 172                 .dtor = _nouveau_engine_dtor,
 173                 .init = _nouveau_engine_init,
 174                 .fini = _nouveau_engine_fini,
 175         },
 176 };