drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gt215.c

   1 /*
   2  * Copyright 2013 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 "priv.h"
  25 #include "fuc/gt215.fuc3.h"
  26
  27 static void
  28 gt215_pmu_reset(struct nvkm_pmu *pmu)
  29 {
  30         struct nvkm_device *device = pmu->subdev.device;
  31         nvkm_mask(device, 0x022210, 0x00000001, 0x00000000);
  32         nvkm_mask(device, 0x022210, 0x00000001, 0x00000001);
  33 }
  34
  35 static const struct nvkm_pmu_func
  36 gt215_pmu = {
  37         .reset = gt215_pmu_reset,
  38         .code.data = gt215_pmu_code,
  39         .code.size = sizeof(gt215_pmu_code),
  40         .data.data = gt215_pmu_data,
  41         .data.size = sizeof(gt215_pmu_data),
  42 };
  43
  44 int
  45 gt215_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
  46 {
  47         return nvkm_pmu_new_(&gt215_pmu, device, index, ppmu);
  48 }