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 int
  71 nve0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
  72                 struct nouveau_oclass *oclass, void *data, u32 size,
  73                 struct nouveau_object **pobject)
  74 {
  75         struct nve0_copy_priv *priv;
  76         int ret;
  77
  78         if (nv_rd32(parent, 0x022500) & 0x00000100)
  79                 return -ENODEV;
  80
  81         ret = nouveau_engine_create(parent, engine, oclass, true,
  82                                     "PCE0", "copy0", &priv);
  83         *pobject = nv_object(priv);
  84         if (ret)
  85                 return ret;
  86
  87         nv_subdev(priv)->unit = 0x00000040;
  88         nv_engine(priv)->cclass = &nve0_copy_cclass;
  89         nv_engine(priv)->sclass = nve0_copy_sclass;
  90         return 0;
  91 }
  92
  93 static int
  94 nve0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
  95                 struct nouveau_oclass *oclass, void *data, u32 size,
  96                 struct nouveau_object **pobject)
  97 {
  98         struct nve0_copy_priv *priv;
  99         int ret;
 100
 101         if (nv_rd32(parent, 0x022500) & 0x00000200)
 102                 return -ENODEV;
 103
 104         ret = nouveau_engine_create(parent, engine, oclass, true,
 105                                     "PCE1", "copy1", &priv);
 106         *pobject = nv_object(priv);
 107         if (ret)
 108                 return ret;
 109
 110         nv_subdev(priv)->unit = 0x00000080;
 111         nv_engine(priv)->cclass = &nve0_copy_cclass;
 112         nv_engine(priv)->sclass = nve0_copy_sclass;
 113         return 0;
 114 }
 115
 116 static int
 117 nve0_copy2_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 118                 struct nouveau_oclass *oclass, void *data, u32 size,
 119                 struct nouveau_object **pobject)
 120 {
 121         struct nve0_copy_priv *priv;
 122         int ret;
 123
 124         ret = nouveau_engine_create(parent, engine, oclass, true,
 125                                     "PCE2", "copy2", &priv);
 126         *pobject = nv_object(priv);
 127         if (ret)
 128                 return ret;
 129
 130         nv_subdev(priv)->unit = 0x00200000;
 131         nv_engine(priv)->cclass = &nve0_copy_cclass;
 132         nv_engine(priv)->sclass = nve0_copy_sclass;
 133         return 0;
 134 }
 135
 136 struct nouveau_oclass
 137 nve0_copy0_oclass = {
 138         .handle = NV_ENGINE(COPY0, 0xe0),
 139         .ofuncs = &(struct nouveau_ofuncs) {
 140                 .ctor = nve0_copy0_ctor,
 141                 .dtor = _nouveau_engine_dtor,
 142                 .init = _nouveau_engine_init,
 143                 .fini = _nouveau_engine_fini,
 144         },
 145 };
 146
 147 struct nouveau_oclass
 148 nve0_copy1_oclass = {
 149         .handle = NV_ENGINE(COPY1, 0xe0),
 150         .ofuncs = &(struct nouveau_ofuncs) {
 151                 .ctor = nve0_copy1_ctor,
 152                 .dtor = _nouveau_engine_dtor,
 153                 .init = _nouveau_engine_init,
 154                 .fini = _nouveau_engine_fini,
 155         },
 156 };
 157
 158 struct nouveau_oclass
 159 nve0_copy2_oclass = {
 160         .handle = NV_ENGINE(COPY2, 0xe0),
 161         .ofuncs = &(struct nouveau_ofuncs) {
 162                 .ctor = nve0_copy2_ctor,
 163                 .dtor = _nouveau_engine_dtor,
 164                 .init = _nouveau_engine_init,
 165                 .fini = _nouveau_engine_fini,
 166         },
 167 };