drivers/gpu/drm/nouveau/nvkm/subdev/clk/g84.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 <bskeggs@redhat.com>
  23  */
  24 #include "nv50.h"
  25
  26 static const struct nvkm_clk_func
  27 g84_clk = {
  28         .read = nv50_clk_read,
  29         .calc = nv50_clk_calc,
  30         .prog = nv50_clk_prog,
  31         .tidy = nv50_clk_tidy,
  32         .domains = {
  33                 { nv_clk_src_crystal, 0xff },
  34                 { nv_clk_src_href   , 0xff },
  35                 { nv_clk_src_core   , 0xff, 0, "core", 1000 },
  36                 { nv_clk_src_shader , 0xff, 0, "shader", 1000 },
  37                 { nv_clk_src_mem    , 0xff, 0, "memory", 1000 },
  38                 { nv_clk_src_vdec   , 0xff },
  39                 { nv_clk_src_max }
  40         }
  41 };
  42
  43 int
  44 g84_clk_new(struct nvkm_device *device, int index, struct nvkm_clk **pclk)
  45 {
  46         return nv50_clk_new_(&g84_clk, device, index,
  47                              (device->chipset >= 0x94), pclk);
  48 }