drivers/gpu/drm/nouveau/nvkm/engine/ce/gk104.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/ce.h>
  25
  26 #include <core/engctx.h>
  27
  28 /*******************************************************************************
  29  * Copy object classes
  30  ******************************************************************************/
  31
  32 static struct nvkm_oclass
  33 gk104_ce_sclass[] = {
  34         { 0xa0b5, &nvkm_object_ofuncs },
  35         {},
  36 };
  37
  38 /*******************************************************************************
  39  * PCE context
  40  ******************************************************************************/
  41
  42 static struct nvkm_ofuncs
  43 gk104_ce_context_ofuncs = {
  44         .ctor = _nvkm_engctx_ctor,
  45         .dtor = _nvkm_engctx_dtor,
  46         .init = _nvkm_engctx_init,
  47         .fini = _nvkm_engctx_fini,
  48         .rd32 = _nvkm_engctx_rd32,
  49         .wr32 = _nvkm_engctx_wr32,
  50 };
  51
  52 static struct nvkm_oclass
  53 gk104_ce_cclass = {
  54         .handle = NV_ENGCTX(CE0, 0xc0),
  55         .ofuncs = &gk104_ce_context_ofuncs,
  56 };
  57
  58 /*******************************************************************************
  59  * PCE engine/subdev functions
  60  ******************************************************************************/
  61
  62 static void
  63 gk104_ce_intr(struct nvkm_subdev *subdev)
  64 {
  65         struct nvkm_device *device = subdev->device;
  66         const int idx = nv_subidx(subdev) - NVDEV_ENGINE_CE0;
  67         u32 stat = nvkm_rd32(device, 0x104908 + (idx * 0x1000));
  68
  69         if (stat) {
  70                 nvkm_warn(subdev, "intr %08x\n", stat);
  71                 nvkm_wr32(device, 0x104908 + (idx * 0x1000), stat);
  72         }
  73 }
  74
  75 static int
  76 gk104_ce0_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  77                struct nvkm_oclass *oclass, void *data, u32 size,
  78                struct nvkm_object **pobject)
  79 {
  80         struct nvkm_engine *ce;
  81         int ret;
  82
  83         ret = nvkm_engine_create(parent, engine, oclass, true,
  84                                  "PCE0", "ce0", &ce);
  85         *pobject = nv_object(ce);
  86         if (ret)
  87                 return ret;
  88
  89         nv_subdev(ce)->unit = 0x00000040;
  90         nv_subdev(ce)->intr = gk104_ce_intr;
  91         nv_engine(ce)->cclass = &gk104_ce_cclass;
  92         nv_engine(ce)->sclass = gk104_ce_sclass;
  93         return 0;
  94 }
  95
  96 static int
  97 gk104_ce1_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
  98                struct nvkm_oclass *oclass, void *data, u32 size,
  99                struct nvkm_object **pobject)
 100 {
 101         struct nvkm_engine *ce;
 102         int ret;
 103
 104         ret = nvkm_engine_create(parent, engine, oclass, true,
 105                                  "PCE1", "ce1", &ce);
 106         *pobject = nv_object(ce);
 107         if (ret)
 108                 return ret;
 109
 110         nv_subdev(ce)->unit = 0x00000080;
 111         nv_subdev(ce)->intr = gk104_ce_intr;
 112         nv_engine(ce)->cclass = &gk104_ce_cclass;
 113         nv_engine(ce)->sclass = gk104_ce_sclass;
 114         return 0;
 115 }
 116
 117 static int
 118 gk104_ce2_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 119                struct nvkm_oclass *oclass, void *data, u32 size,
 120                struct nvkm_object **pobject)
 121 {
 122         struct nvkm_engine *ce;
 123         int ret;
 124
 125         ret = nvkm_engine_create(parent, engine, oclass, true,
 126                                  "PCE2", "ce2", &ce);
 127         *pobject = nv_object(ce);
 128         if (ret)
 129                 return ret;
 130
 131         nv_subdev(ce)->unit = 0x00200000;
 132         nv_subdev(ce)->intr = gk104_ce_intr;
 133         nv_engine(ce)->cclass = &gk104_ce_cclass;
 134         nv_engine(ce)->sclass = gk104_ce_sclass;
 135         return 0;
 136 }
 137
 138 struct nvkm_oclass
 139 gk104_ce0_oclass = {
 140         .handle = NV_ENGINE(CE0, 0xe0),
 141         .ofuncs = &(struct nvkm_ofuncs) {
 142                 .ctor = gk104_ce0_ctor,
 143                 .dtor = _nvkm_engine_dtor,
 144                 .init = _nvkm_engine_init,
 145                 .fini = _nvkm_engine_fini,
 146         },
 147 };
 148
 149 struct nvkm_oclass
 150 gk104_ce1_oclass = {
 151         .handle = NV_ENGINE(CE1, 0xe0),
 152         .ofuncs = &(struct nvkm_ofuncs) {
 153                 .ctor = gk104_ce1_ctor,
 154                 .dtor = _nvkm_engine_dtor,
 155                 .init = _nvkm_engine_init,
 156                 .fini = _nvkm_engine_fini,
 157         },
 158 };
 159
 160 struct nvkm_oclass
 161 gk104_ce2_oclass = {
 162         .handle = NV_ENGINE(CE2, 0xe0),
 163         .ofuncs = &(struct nvkm_ofuncs) {
 164                 .ctor = gk104_ce2_ctor,
 165                 .dtor = _nvkm_engine_dtor,
 166                 .init = _nvkm_engine_init,
 167                 .fini = _nvkm_engine_fini,
 168         },
 169 };