LXR linux/drivers/gpu/drm/amd/display/dc/dc_dmub

   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
  32struct dmub_srv;
  33struct dmub_cmd_header;
  34
  35struct 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
  43struct 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
  51void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
  52                           struct dmub_cmd_header *cmd);
  53
  54void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv);
  55
  56void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv);
  57
  58void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv);
  59
  60#endif /* _DMUB_DC_SRV_H_ */
  61