LXR linux/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h

   1/*
   2 * Copyright 2018 Advanced Micro Devices, 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: AMD
  23 *
  24 */
  25
  26#ifndef __DAL_DCCG_H__
  27#define __DAL_DCCG_H__
  28
  29#include "dc_types.h"
  30
  31struct dccg {
  32        struct dc_context *ctx;
  33        const struct dccg_funcs *funcs;
  34
  35        int ref_dppclk;
  36};
  37
  38struct dccg_funcs {
  39        void (*update_dpp_dto)(struct dccg *dccg,
  40                        int dpp_inst,
  41                        int req_dppclk);
  42        void (*get_dccg_ref_freq)(struct dccg *dccg,
  43                        unsigned int xtalin_freq_inKhz,
  44                        unsigned int *dccg_ref_freq_inKhz);
  45        void (*dccg_init)(struct dccg *dccg);
  46};
  47
  48#endif //__DAL_DCCG_H__
  49