linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/usergv100.c
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   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
  24static int
  25gv100_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
  35static const struct nvkm_object_func
  36gv100_fifo_user = {
  37        .map = gv100_fifo_user_map,
  38};
  39
  40int
  41gv100_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}
  46