drivers/gpu/drm/nouveau/nvkm/engine/fifo/usergv100.c

   1 /*
   2  * Copyright 2018 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 #include "user.h"
  23
  24 static int
  25 gv100_fifo_user_map(struct nvkm_object *object, void *argv, u32 argc,
  26                     enum nvkm_object_map *type, u64 *addr, u64 *size)
  27 {
  28         struct nvkm_device *device = object->engine->subdev.device;
  29         *addr = 0x810000 + device->func->resource_addr(device, 0);
  30         *size = 0x010000;
  31         *type = NVKM_OBJECT_MAP_IO;
  32         return 0;
  33 }
  34
  35 static const struct nvkm_object_func
  36 gv100_fifo_user = {
  37         .map = gv100_fifo_user_map,
  38 };
  39
  40 int
  41 gv100_fifo_user_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
  42                     struct nvkm_object **pobject)
  43 {
  44         return nvkm_object_new_(&gv100_fifo_user, oclass, argv, argc, pobject);
  45 }