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      1 /*	$NetBSD: dc_dmub_srv.h,v 1.2 2021/12/18 23:45:00 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2018 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors: AMD
     25  *
     26  */
     27 
     28 #ifndef _DMUB_DC_SRV_H_
     29 #define _DMUB_DC_SRV_H_
     30 
     31 #include "os_types.h"
     32 #include "../dmub/inc/dmub_cmd.h"
     33 
     34 struct dmub_srv;
     35 struct dmub_cmd_header;
     36 
     37 struct dc_reg_helper_state {
     38 	bool gather_in_progress;
     39 	uint32_t same_addr_count;
     40 	bool should_burst_write;
     41 	union dmub_rb_cmd cmd_data;
     42 	unsigned int reg_seq_count;
     43 };
     44 
     45 struct dc_dmub_srv {
     46 	struct dmub_srv *dmub;
     47 	struct dc_reg_helper_state reg_helper_offload;
     48 
     49 	struct dc_context *ctx;
     50 	void *dm;
     51 };
     52 
     53 void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
     54 			   struct dmub_cmd_header *cmd);
     55 
     56 void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv);
     57 
     58 void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv);
     59 
     60 void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv);
     61 
     62 #endif /* _DMUB_DC_SRV_H_ */
     63