drivers/gpu/drm/nouveau/core/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/class.h>
  28 #include <core/engctx.h>
  29
  30 #include <engine/copy.h>
  31
  32 struct nve0_copy_priv {
  33         struct nouveau_engine base;
  34 };
  35
  36 /*******************************************************************************
  37  * Copy object classes
  38  ******************************************************************************/
  39
  40 static struct nouveau_oclass
  41 nve0_copy_sclass[] = {
  42         { 0xa0b5, &nouveau_object_ofuncs },
  43         {},
  44 };
  45
  46 /*******************************************************************************
  47  * PCOPY context
  48  ******************************************************************************/
  49
  50 static struct nouveau_ofuncs
  51 nve0_copy_context_ofuncs = {
  52         .ctor = _nouveau_engctx_ctor,
  53         .dtor = _nouveau_engctx_dtor,
  54         .init = _nouveau_engctx_init,
  55         .fini = _nouveau_engctx_fini,
  56         .rd32 = _nouveau_engctx_rd32,
  57         .wr32 = _nouveau_engctx_wr32,
  58 };
  59
  60 static struct nouveau_oclass
  61 nve0_copy_cclass = {
  62         .handle = NV_ENGCTX(COPY0, 0xc0),
  63         .ofuncs = &nve0_copy_context_ofuncs,
  64 };
  65
  66 /*******************************************************************************
  67  * PCOPY engine/subdev functions
  68  ******************************************************************************/
  69
  70 static void
  71 nve0_copy_intr(struct nouveau_subdev *subdev)
  72 {
  73         const int ce = nv_subidx(nv_object(subdev)) - NVDEV_ENGINE_COPY0;
  74         struct nve0_copy_priv *priv = (void *)subdev;
  75         u32 stat = nv_rd32(priv, 0x104908 + (ce * 0x1000));
  76
  77         if (stat) {
  78                 nv_warn(priv, "unhandled intr 0x%08x\n", stat);
  79                 nv_wr32(priv, 0x104908 + (ce * 0x1000), stat);
  80         }
  81 }
  82
  83 static int
  84 nve0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
  85                 struct nouveau_oclass *oclass, void *data, u32 size,
  86                 struct nouveau_object **pobject)
  87 {
  88         struct nve0_copy_priv *priv;
  89         int ret;
  90
  91         if (nv_rd32(parent, 0x022500) & 0x00000100)
  92                 return -ENODEV;
  93
  94         ret = nouveau_engine_create(parent, engine, oclass, true,
  95                                     "PCE0", "copy0", &priv);
  96         *pobject = nv_object(priv);
  97         if (ret)
  98                 return ret;
  99
 100         nv_subdev(priv)->unit = 0x00000040;
 101         nv_subdev(priv)->intr = nve0_copy_intr;
 102         nv_engine(priv)->cclass = &nve0_copy_cclass;
 103         nv_engine(priv)->sclass = nve0_copy_sclass;
 104         return 0;
 105 }
 106
 107 static int
 108 nve0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 109                 struct nouveau_oclass *oclass, void *data, u32 size,
 110                 struct nouveau_object **pobject)
 111 {
 112         struct nve0_copy_priv *priv;
 113         int ret;
 114
 115         if (nv_rd32(parent, 0x022500) & 0x00000200)
 116                 return -ENODEV;
 117
 118         ret = nouveau_engine_create(parent, engine, oclass, true,
 119                                     "PCE1", "copy1", &priv);
 120         *pobject = nv_object(priv);
 121         if (ret)
 122                 return ret;
 123
 124         nv_subdev(priv)->unit = 0x00000080;
 125         nv_subdev(priv)->intr = nve0_copy_intr;
 126         nv_engine(priv)->cclass = &nve0_copy_cclass;
 127         nv_engine(priv)->sclass = nve0_copy_sclass;
 128         return 0;
 129 }
 130
 131 static int
 132 nve0_copy2_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 133                 struct nouveau_oclass *oclass, void *data, u32 size,
 134                 struct nouveau_object **pobject)
 135 {
 136         struct nve0_copy_priv *priv;
 137         int ret;
 138
 139         ret = nouveau_engine_create(parent, engine, oclass, true,
 140                                     "PCE2", "copy2", &priv);
 141         *pobject = nv_object(priv);
 142         if (ret)
 143                 return ret;
 144
 145         nv_subdev(priv)->unit = 0x00200000;
 146         nv_subdev(priv)->intr = nve0_copy_intr;
 147         nv_engine(priv)->cclass = &nve0_copy_cclass;
 148         nv_engine(priv)->sclass = nve0_copy_sclass;
 149         return 0;
 150 }
 151
 152 struct nouveau_oclass
 153 nve0_copy0_oclass = {
 154         .handle = NV_ENGINE(COPY0, 0xe0),
 155         .ofuncs = &(struct nouveau_ofuncs) {
 156                 .ctor = nve0_copy0_ctor,
 157                 .dtor = _nouveau_engine_dtor,
 158                 .init = _nouveau_engine_init,
 159                 .fini = _nouveau_engine_fini,
 160         },
 161 };
 162
 163 struct nouveau_oclass
 164 nve0_copy1_oclass = {
 165         .handle = NV_ENGINE(COPY1, 0xe0),
 166         .ofuncs = &(struct nouveau_ofuncs) {
 167                 .ctor = nve0_copy1_ctor,
 168                 .dtor = _nouveau_engine_dtor,
 169                 .init = _nouveau_engine_init,
 170                 .fini = _nouveau_engine_fini,
 171         },
 172 };
 173
 174 struct nouveau_oclass
 175 nve0_copy2_oclass = {
 176         .handle = NV_ENGINE(COPY2, 0xe0),
 177         .ofuncs = &(struct nouveau_ofuncs) {
 178                 .ctor = nve0_copy2_ctor,
 179                 .dtor = _nouveau_engine_dtor,
 180                 .init = _nouveau_engine_init,
 181                 .fini = _nouveau_engine_fini,
 182         },
 183 };