drivers/gpu/drm/amd/display/dc/dc_dmub_srv.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 _DMUB_DC_SRV_H_
  27 #define _DMUB_DC_SRV_H_
  28
  29 #include "os_types.h"
  30 #include "../dmub/inc/dmub_cmd.h"
  31
  32 struct dmub_srv;
  33 struct dmub_cmd_header;
  34
  35 struct dc_reg_helper_state {
  36         bool gather_in_progress;
  37         uint32_t same_addr_count;
  38         bool should_burst_write;
  39         union dmub_rb_cmd cmd_data;
  40         unsigned int reg_seq_count;
  41 };
  42
  43 struct dc_dmub_srv {
  44         struct dmub_srv *dmub;
  45         struct dc_reg_helper_state reg_helper_offload;
  46
  47         struct dc_context *ctx;
  48         void *dm;
  49 };
  50
  51 void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
  52                            struct dmub_cmd_header *cmd);
  53
  54 void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv);
  55
  56 void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv);
  57
  58 void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv);
  59
  60 #endif /* _DMUB_DC_SRV_H_ */