drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gf100.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/gf100.fuc3.h"
  26
  27 #include <subdev/mc.h>
  28
  29 void
  30 gf100_pmu_reset(struct nvkm_pmu *pmu)
  31 {
  32         struct nvkm_device *device = pmu->subdev.device;
  33         nvkm_mc_disable(device, NVKM_SUBDEV_PMU);
  34         nvkm_mc_enable(device, NVKM_SUBDEV_PMU);
  35 }
  36
  37 bool
  38 gf100_pmu_enabled(struct nvkm_pmu *pmu)
  39 {
  40         return nvkm_mc_enabled(pmu->subdev.device, NVKM_SUBDEV_PMU);
  41 }
  42
  43 static const struct nvkm_pmu_func
  44 gf100_pmu = {
  45         .flcn = &gt215_pmu_flcn,
  46         .code.data = gf100_pmu_code,
  47         .code.size = sizeof(gf100_pmu_code),
  48         .data.data = gf100_pmu_data,
  49         .data.size = sizeof(gf100_pmu_data),
  50         .enabled = gf100_pmu_enabled,
  51         .reset = gf100_pmu_reset,
  52         .init = gt215_pmu_init,
  53         .fini = gt215_pmu_fini,
  54         .intr = gt215_pmu_intr,
  55         .send = gt215_pmu_send,
  56         .recv = gt215_pmu_recv,
  57 };
  58
  59 int
  60 gf100_pmu_nofw(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif)
  61 {
  62         return 0;
  63 }
  64
  65 static const struct nvkm_pmu_fwif
  66 gf100_pmu_fwif[] = {
  67         { -1, gf100_pmu_nofw, &gf100_pmu },
  68         {}
  69 };
  70
  71 int
  72 gf100_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
  73 {
  74         return nvkm_pmu_new_(gf100_pmu_fwif, device, index, ppmu);
  75 }