drivers/gpu/drm/nouveau/core/engine/copy/nvc0.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 <engine/falcon.h>
  26 #include <engine/fifo.h>
  27 #include <engine/copy.h>
  28
  29 #include <core/class.h>
  30 #include <core/enum.h>
  31 #include <core/class.h>
  32 #include <core/enum.h>
  33
  34 #include "fuc/nvc0.fuc.h"
  35
  36 struct nvc0_copy_priv {
  37         struct nouveau_falcon base;
  38 };
  39
  40 /*******************************************************************************
  41  * Copy object classes
  42  ******************************************************************************/
  43
  44 static struct nouveau_oclass
  45 nvc0_copy0_sclass[] = {
  46         { 0x90b5, &nouveau_object_ofuncs },
  47         {},
  48 };
  49
  50 static struct nouveau_oclass
  51 nvc0_copy1_sclass[] = {
  52         { 0x90b8, &nouveau_object_ofuncs },
  53         {},
  54 };
  55
  56 /*******************************************************************************
  57  * PCOPY context
  58  ******************************************************************************/
  59
  60 static struct nouveau_ofuncs
  61 nvc0_copy_context_ofuncs = {
  62         .ctor = _nouveau_falcon_context_ctor,
  63         .dtor = _nouveau_falcon_context_dtor,
  64         .init = _nouveau_falcon_context_init,
  65         .fini = _nouveau_falcon_context_fini,
  66         .rd32 = _nouveau_falcon_context_rd32,
  67         .wr32 = _nouveau_falcon_context_wr32,
  68 };
  69
  70 static struct nouveau_oclass
  71 nvc0_copy0_cclass = {
  72         .handle = NV_ENGCTX(COPY0, 0xc0),
  73         .ofuncs = &nvc0_copy_context_ofuncs,
  74 };
  75
  76 static struct nouveau_oclass
  77 nvc0_copy1_cclass = {
  78         .handle = NV_ENGCTX(COPY1, 0xc0),
  79         .ofuncs = &nvc0_copy_context_ofuncs,
  80 };
  81
  82 /*******************************************************************************
  83  * PCOPY engine/subdev functions
  84  ******************************************************************************/
  85
  86 static int
  87 nvc0_copy_init(struct nouveau_object *object)
  88 {
  89         struct nvc0_copy_priv *priv = (void *)object;
  90         int ret;
  91
  92         ret = nouveau_falcon_init(&priv->base);
  93         if (ret)
  94                 return ret;
  95
  96         nv_wo32(priv, 0x084, nv_engidx(object) - NVDEV_ENGINE_COPY0);
  97         return 0;
  98 }
  99
 100 static int
 101 nvc0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 102                 struct nouveau_oclass *oclass, void *data, u32 size,
 103                 struct nouveau_object **pobject)
 104 {
 105         struct nvc0_copy_priv *priv;
 106         int ret;
 107
 108         if (nv_rd32(parent, 0x022500) & 0x00000100)
 109                 return -ENODEV;
 110
 111         ret = nouveau_falcon_create(parent, engine, oclass, 0x104000, true,
 112                                     "PCE0", "copy0", &priv);
 113         *pobject = nv_object(priv);
 114         if (ret)
 115                 return ret;
 116
 117         nv_subdev(priv)->unit = 0x00000040;
 118         nv_subdev(priv)->intr = nva3_copy_intr;
 119         nv_engine(priv)->cclass = &nvc0_copy0_cclass;
 120         nv_engine(priv)->sclass = nvc0_copy0_sclass;
 121         nv_falcon(priv)->code.data = nvc0_pcopy_code;
 122         nv_falcon(priv)->code.size = sizeof(nvc0_pcopy_code);
 123         nv_falcon(priv)->data.data = nvc0_pcopy_data;
 124         nv_falcon(priv)->data.size = sizeof(nvc0_pcopy_data);
 125         return 0;
 126 }
 127
 128 static int
 129 nvc0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 130                 struct nouveau_oclass *oclass, void *data, u32 size,
 131                 struct nouveau_object **pobject)
 132 {
 133         struct nvc0_copy_priv *priv;
 134         int ret;
 135
 136         if (nv_rd32(parent, 0x022500) & 0x00000200)
 137                 return -ENODEV;
 138
 139         ret = nouveau_falcon_create(parent, engine, oclass, 0x105000, true,
 140                                     "PCE1", "copy1", &priv);
 141         *pobject = nv_object(priv);
 142         if (ret)
 143                 return ret;
 144
 145         nv_subdev(priv)->unit = 0x00000080;
 146         nv_subdev(priv)->intr = nva3_copy_intr;
 147         nv_engine(priv)->cclass = &nvc0_copy1_cclass;
 148         nv_engine(priv)->sclass = nvc0_copy1_sclass;
 149         nv_falcon(priv)->code.data = nvc0_pcopy_code;
 150         nv_falcon(priv)->code.size = sizeof(nvc0_pcopy_code);
 151         nv_falcon(priv)->data.data = nvc0_pcopy_data;
 152         nv_falcon(priv)->data.size = sizeof(nvc0_pcopy_data);
 153         return 0;
 154 }
 155
 156 struct nouveau_oclass
 157 nvc0_copy0_oclass = {
 158         .handle = NV_ENGINE(COPY0, 0xc0),
 159         .ofuncs = &(struct nouveau_ofuncs) {
 160                 .ctor = nvc0_copy0_ctor,
 161                 .dtor = _nouveau_falcon_dtor,
 162                 .init = nvc0_copy_init,
 163                 .fini = _nouveau_falcon_fini,
 164                 .rd32 = _nouveau_falcon_rd32,
 165                 .wr32 = _nouveau_falcon_wr32,
 166         },
 167 };
 168
 169 struct nouveau_oclass
 170 nvc0_copy1_oclass = {
 171         .handle = NV_ENGINE(COPY1, 0xc0),
 172         .ofuncs = &(struct nouveau_ofuncs) {
 173                 .ctor = nvc0_copy1_ctor,
 174                 .dtor = _nouveau_falcon_dtor,
 175                 .init = nvc0_copy_init,
 176                 .fini = _nouveau_falcon_fini,
 177                 .rd32 = _nouveau_falcon_rd32,
 178                 .wr32 = _nouveau_falcon_wr32,
 179         },
 180 };