kernel/drivers/gpu/drm/nouveau/nvkm/engine/ce/gm204.c

   1 /*
   2  * Copyright 2015 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/ce.h>
  25
  26 #include <core/engctx.h>
  27
  28 struct gm204_ce_priv {
  29         struct nvkm_engine base;
  30 };
  31
  32 /*******************************************************************************
  33  * Copy object classes
  34  ******************************************************************************/
  35
  36 static struct nvkm_oclass
  37 gm204_ce_sclass[] = {
  38         { 0xb0b5, &nvkm_object_ofuncs },
  39         {},
  40 };
  41
  42 /*******************************************************************************
  43  * PCE context
  44  ******************************************************************************/
  45
  46 static struct nvkm_ofuncs
  47 gm204_ce_context_ofuncs = {
  48         .ctor = _nvkm_engctx_ctor,
  49         .dtor = _nvkm_engctx_dtor,
  50         .init = _nvkm_engctx_init,
  51         .fini = _nvkm_engctx_fini,
  52         .rd32 = _nvkm_engctx_rd32,
  53         .wr32 = _nvkm_engctx_wr32,
  54 };
  55
  56 static struct nvkm_oclass
  57 gm204_ce_cclass = {
  58         .handle = NV_ENGCTX(CE0, 0x24),
  59         .ofuncs = &gm204_ce_context_ofuncs,
  60 };
  61
  62 /*******************************************************************************
  63  * PCE engine/subdev functions
  64  ******************************************************************************/
  65
  66 static void
  67 gm204_ce_intr(struct nvkm_subdev *subdev)
  68 {
  69         const int ce = nv_subidx(subdev) - NVDEV_ENGINE_CE0;
  70         struct gm204_ce_priv *priv = (void *)subdev;
  71         u32 stat = nv_rd32(priv, 0x104908 + (ce * 0x1000));
  72
  73         if (stat) {
  74                 nv_warn(priv, "unhandled intr 0x%08x\n", stat);
  75                 nv_wr32(priv, 0x104908 + (ce * 0x1000), stat);
  76         }
  77 }
  78
  79 static int
  80 gm204_ce0_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  81                struct nvkm_oclass *oclass, void *data, u32 size,
  82                struct nvkm_object **pobject)
  83 {
  84         struct gm204_ce_priv *priv;
  85         int ret;
  86
  87         ret = nvkm_engine_create(parent, engine, oclass, true,
  88                                  "PCE0", "ce0", &priv);
  89         *pobject = nv_object(priv);
  90         if (ret)
  91                 return ret;
  92
  93         nv_subdev(priv)->unit = 0x00000040;
  94         nv_subdev(priv)->intr = gm204_ce_intr;
  95         nv_engine(priv)->cclass = &gm204_ce_cclass;
  96         nv_engine(priv)->sclass = gm204_ce_sclass;
  97         return 0;
  98 }
  99
 100 static int
 101 gm204_ce1_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 102                struct nvkm_oclass *oclass, void *data, u32 size,
 103                struct nvkm_object **pobject)
 104 {
 105         struct gm204_ce_priv *priv;
 106         int ret;
 107
 108         ret = nvkm_engine_create(parent, engine, oclass, true,
 109                                  "PCE1", "ce1", &priv);
 110         *pobject = nv_object(priv);
 111         if (ret)
 112                 return ret;
 113
 114         nv_subdev(priv)->unit = 0x00000080;
 115         nv_subdev(priv)->intr = gm204_ce_intr;
 116         nv_engine(priv)->cclass = &gm204_ce_cclass;
 117         nv_engine(priv)->sclass = gm204_ce_sclass;
 118         return 0;
 119 }
 120
 121 static int
 122 gm204_ce2_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 123                struct nvkm_oclass *oclass, void *data, u32 size,
 124                struct nvkm_object **pobject)
 125 {
 126         struct gm204_ce_priv *priv;
 127         int ret;
 128
 129         ret = nvkm_engine_create(parent, engine, oclass, true,
 130                                  "PCE2", "ce2", &priv);
 131         *pobject = nv_object(priv);
 132         if (ret)
 133                 return ret;
 134
 135         nv_subdev(priv)->unit = 0x00200000;
 136         nv_subdev(priv)->intr = gm204_ce_intr;
 137         nv_engine(priv)->cclass = &gm204_ce_cclass;
 138         nv_engine(priv)->sclass = gm204_ce_sclass;
 139         return 0;
 140 }
 141
 142 struct nvkm_oclass
 143 gm204_ce0_oclass = {
 144         .handle = NV_ENGINE(CE0, 0x24),
 145         .ofuncs = &(struct nvkm_ofuncs) {
 146                 .ctor = gm204_ce0_ctor,
 147                 .dtor = _nvkm_engine_dtor,
 148                 .init = _nvkm_engine_init,
 149                 .fini = _nvkm_engine_fini,
 150         },
 151 };
 152
 153 struct nvkm_oclass
 154 gm204_ce1_oclass = {
 155         .handle = NV_ENGINE(CE1, 0x24),
 156         .ofuncs = &(struct nvkm_ofuncs) {
 157                 .ctor = gm204_ce1_ctor,
 158                 .dtor = _nvkm_engine_dtor,
 159                 .init = _nvkm_engine_init,
 160                 .fini = _nvkm_engine_fini,
 161         },
 162 };
 163
 164 struct nvkm_oclass
 165 gm204_ce2_oclass = {
 166         .handle = NV_ENGINE(CE2, 0x24),
 167         .ofuncs = &(struct nvkm_ofuncs) {
 168                 .ctor = gm204_ce2_ctor,
 169                 .dtor = _nvkm_engine_dtor,
 170                 .init = _nvkm_engine_init,
 171                 .fini = _nvkm_engine_fini,
 172         },
 173 };