drivers/gpu/drm/amd/display/dc/dce/dmub_psr.h

   1 /*
   2  * Copyright 2012-16 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 _DMUB_PSR_H_
  27 #define _DMUB_PSR_H_
  28
  29 #include "os_types.h"
  30 #include "dc_link.h"
  31
  32 struct dmub_psr {
  33         struct dc_context *ctx;
  34         const struct dmub_psr_funcs *funcs;
  35 };
  36
  37 struct dmub_psr_funcs {
  38         bool (*psr_copy_settings)(struct dmub_psr *dmub, struct dc_link *link, struct psr_context *psr_context);
  39         void (*psr_enable)(struct dmub_psr *dmub, bool enable, bool wait);
  40         void (*psr_get_state)(struct dmub_psr *dmub, enum dc_psr_state *dc_psr_state);
  41         void (*psr_set_level)(struct dmub_psr *dmub, uint16_t psr_level);
  42         void (*psr_force_static)(struct dmub_psr *dmub);
  43         void (*psr_get_residency)(struct dmub_psr *dmub, uint32_t *residency);
  44 };
  45
  46 struct dmub_psr *dmub_psr_create(struct dc_context *ctx);
  47 void dmub_psr_destroy(struct dmub_psr **dmub);
  48
  49
  50 #endif /* _DMUB_PSR_H_ */