LXR linux/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm200.c

   1/*
   2 * Copyright 2016 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 <bskeggs@redhat.com>
  23 */
  24#include "priv.h"
  25
  26static const struct nvkm_pmu_func
  27gm200_pmu = {
  28        .flcn = &gt215_pmu_flcn,
  29        .enabled = gf100_pmu_enabled,
  30        .reset = gf100_pmu_reset,
  31};
  32
  33
  34int
  35gm200_pmu_nofw(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif)
  36{
  37        nvkm_warn(&pmu->subdev, "firmware unavailable\n");
  38        return 0;
  39}
  40
  41static const struct nvkm_pmu_fwif
  42gm200_pmu_fwif[] = {
  43        { -1, gm200_pmu_nofw, &gm200_pmu },
  44        {}
  45};
  46
  47int
  48gm200_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
  49              struct nvkm_pmu **ppmu)
  50{
  51        return nvkm_pmu_new_(gm200_pmu_fwif, device, type, inst, ppmu);
  52}
  53