drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.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  * Authors: Lyude Paul
  23  */
  24 #include <core/device.h>
  25
  26 #include "priv.h"
  27
  28 #define pack_for_each_init(init, pack, head)                          \
  29         for (pack = head; pack && pack->init; pack++)                 \
  30                   for (init = pack->init; init && init->count; init++)
  31 void
  32 gf100_clkgate_init(struct nvkm_therm *therm,
  33                    const struct nvkm_therm_clkgate_pack *p)
  34 {
  35         struct nvkm_device *device = therm->subdev.device;
  36         const struct nvkm_therm_clkgate_pack *pack;
  37         const struct nvkm_therm_clkgate_init *init;
  38         u32 next, addr;
  39
  40         pack_for_each_init(init, pack, p) {
  41                 next = init->addr + init->count * 8;
  42                 addr = init->addr;
  43
  44                 nvkm_trace(&therm->subdev, "{ 0x%06x, %d, 0x%08x }\n",
  45                            init->addr, init->count, init->data);
  46                 while (addr < next) {
  47                         nvkm_trace(&therm->subdev, "\t0x%06x = 0x%08x\n",
  48                                    addr, init->data);
  49                         nvkm_wr32(device, addr, init->data);
  50                         addr += 8;
  51                 }
  52         }
  53 }
  54
  55 /*
  56  * TODO: Fermi clockgating isn't understood fully yet, so we don't specify any
  57  * clockgate functions to use
  58  */