drivers/gpu/drm/nouveau/nvkm/engine/sw/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 #include <engine/sw.h>
  25
  26 struct nv10_sw_priv {
  27         struct nvkm_sw base;
  28 };
  29
  30 struct nv10_sw_chan {
  31         struct nvkm_sw_chan base;
  32 };
  33
  34 /*******************************************************************************
  35  * software object classes
  36  ******************************************************************************/
  37
  38 static int
  39 nv10_sw_flip(struct nvkm_object *object, u32 mthd, void *args, u32 size)
  40 {
  41         struct nv10_sw_chan *chan = (void *)nv_engctx(object->parent);
  42         if (chan->base.flip)
  43                 return chan->base.flip(chan->base.flip_data);
  44         return -EINVAL;
  45 }
  46
  47 static struct nvkm_omthds
  48 nv10_sw_omthds[] = {
  49         { 0x0500, 0x0500, nv10_sw_flip },
  50         {}
  51 };
  52
  53 static struct nvkm_oclass
  54 nv10_sw_sclass[] = {
  55         { 0x016e, &nvkm_object_ofuncs, nv10_sw_omthds },
  56         {}
  57 };
  58
  59 /*******************************************************************************
  60  * software context
  61  ******************************************************************************/
  62
  63 static int
  64 nv10_sw_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  65                      struct nvkm_oclass *oclass, void *data, u32 size,
  66                      struct nvkm_object **pobject)
  67 {
  68         struct nv10_sw_chan *chan;
  69         int ret;
  70
  71         ret = nvkm_sw_context_create(parent, engine, oclass, &chan);
  72         *pobject = nv_object(chan);
  73         if (ret)
  74                 return ret;
  75
  76         return 0;
  77 }
  78
  79 static struct nvkm_oclass
  80 nv10_sw_cclass = {
  81         .handle = NV_ENGCTX(SW, 0x04),
  82         .ofuncs = &(struct nvkm_ofuncs) {
  83                 .ctor = nv10_sw_context_ctor,
  84                 .dtor = _nvkm_sw_context_dtor,
  85                 .init = _nvkm_sw_context_init,
  86                 .fini = _nvkm_sw_context_fini,
  87         },
  88 };
  89
  90 /*******************************************************************************
  91  * software engine/subdev functions
  92  ******************************************************************************/
  93
  94 static int
  95 nv10_sw_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  96              struct nvkm_oclass *oclass, void *data, u32 size,
  97              struct nvkm_object **pobject)
  98 {
  99         struct nv10_sw_priv *priv;
 100         int ret;
 101
 102         ret = nvkm_sw_create(parent, engine, oclass, &priv);
 103         *pobject = nv_object(priv);
 104         if (ret)
 105                 return ret;
 106
 107         nv_engine(priv)->cclass = &nv10_sw_cclass;
 108         nv_engine(priv)->sclass = nv10_sw_sclass;
 109         nv_subdev(priv)->intr = nv04_sw_intr;
 110         return 0;
 111 }
 112
 113 struct nvkm_oclass *
 114 nv10_sw_oclass = &(struct nvkm_oclass) {
 115         .handle = NV_ENGINE(SW, 0x10),
 116         .ofuncs = &(struct nvkm_ofuncs) {
 117                 .ctor = nv10_sw_ctor,
 118                 .dtor = _nvkm_sw_dtor,
 119                 .init = _nvkm_sw_init,
 120                 .fini = _nvkm_sw_fini,
 121         },
 122 };