drivers/gpu/drm/nouveau/core/engine/software/nv10.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/class.h>
  27 #include <core/engctx.h>
  28
  29 #include <engine/software.h>
  30
  31 struct nv10_software_priv {
  32         struct nouveau_software base;
  33 };
  34
  35 struct nv10_software_chan {
  36         struct nouveau_software_chan base;
  37 };
  38
  39 /*******************************************************************************
  40  * software object classes
  41  ******************************************************************************/
  42
  43 static int
  44 nv10_software_flip(struct nouveau_object *object, u32 mthd,
  45                    void *args, u32 size)
  46 {
  47         struct nv10_software_chan *chan = (void *)nv_engctx(object->parent);
  48         if (chan->base.flip)
  49                 return chan->base.flip(chan->base.flip_data);
  50         return -EINVAL;
  51 }
  52
  53 static struct nouveau_omthds
  54 nv10_software_omthds[] = {
  55         { 0x0500, 0x0500, nv10_software_flip },
  56         {}
  57 };
  58
  59 static struct nouveau_oclass
  60 nv10_software_sclass[] = {
  61         { 0x016e, &nouveau_object_ofuncs, nv10_software_omthds },
  62         {}
  63 };
  64
  65 /*******************************************************************************
  66  * software context
  67  ******************************************************************************/
  68
  69 static int
  70 nv10_software_context_ctor(struct nouveau_object *parent,
  71                       struct nouveau_object *engine,
  72                       struct nouveau_oclass *oclass, void *data, u32 size,
  73                       struct nouveau_object **pobject)
  74 {
  75         struct nv10_software_chan *chan;
  76         int ret;
  77
  78         ret = nouveau_software_context_create(parent, engine, oclass, &chan);
  79         *pobject = nv_object(chan);
  80         if (ret)
  81                 return ret;
  82
  83         return 0;
  84 }
  85
  86 static struct nouveau_oclass
  87 nv10_software_cclass = {
  88         .handle = NV_ENGCTX(SW, 0x04),
  89         .ofuncs = &(struct nouveau_ofuncs) {
  90                 .ctor = nv10_software_context_ctor,
  91                 .dtor = _nouveau_software_context_dtor,
  92                 .init = _nouveau_software_context_init,
  93                 .fini = _nouveau_software_context_fini,
  94         },
  95 };
  96
  97 /*******************************************************************************
  98  * software engine/subdev functions
  99  ******************************************************************************/
 100
 101 static int
 102 nv10_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 103               struct nouveau_oclass *oclass, void *data, u32 size,
 104               struct nouveau_object **pobject)
 105 {
 106         struct nv10_software_priv *priv;
 107         int ret;
 108
 109         ret = nouveau_software_create(parent, engine, oclass, &priv);
 110         *pobject = nv_object(priv);
 111         if (ret)
 112                 return ret;
 113
 114         nv_engine(priv)->cclass = &nv10_software_cclass;
 115         nv_engine(priv)->sclass = nv10_software_sclass;
 116         nv_subdev(priv)->intr = nv04_software_intr;
 117         return 0;
 118 }
 119
 120 struct nouveau_oclass
 121 nv10_software_oclass = {
 122         .handle = NV_ENGINE(SW, 0x10),
 123         .ofuncs = &(struct nouveau_ofuncs) {
 124                 .ctor = nv10_software_ctor,
 125                 .dtor = _nouveau_software_dtor,
 126                 .init = _nouveau_software_init,
 127                 .fini = _nouveau_software_fini,
 128         },
 129 };