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/*
* Copyright 2019 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "dmub_hw_lock_mgr.h"
#include "dc_dmub_srv.h"
#include "dc_types.h"
#include "core_types.h"
void dmub_hw_lock_mgr_cmd(struct dc_dmub_srv *dmub_srv,
bool lock,
union dmub_hw_lock_flags *hw_locks,
struct dmub_hw_lock_inst_flags *inst_flags)
{
union dmub_rb_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.lock_hw.header.type = DMUB_CMD__HW_LOCK;
cmd.lock_hw.header.sub_type = 0;
cmd.lock_hw.header.payload_bytes = sizeof(struct dmub_cmd_lock_hw_data);
cmd.lock_hw.lock_hw_data.client = HW_LOCK_CLIENT_DRIVER;
cmd.lock_hw.lock_hw_data.lock = lock;
cmd.lock_hw.lock_hw_data.hw_locks.u8All = hw_locks->u8All;
memcpy(&cmd.lock_hw.lock_hw_data.inst_flags, inst_flags, sizeof(struct dmub_hw_lock_inst_flags));
if (!lock)
cmd.lock_hw.lock_hw_data.should_release = 1;
dm_execute_dmub_cmd(dmub_srv->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
}
void dmub_hw_lock_mgr_inbox0_cmd(struct dc_dmub_srv *dmub_srv,
union dmub_inbox0_cmd_lock_hw hw_lock_cmd)
{
union dmub_inbox0_data_register data = { 0 };
data.inbox0_cmd_lock_hw = hw_lock_cmd;
dc_dmub_srv_clear_inbox0_ack(dmub_srv);
dc_dmub_srv_send_inbox0_cmd(dmub_srv, data);
dc_dmub_srv_wait_for_inbox0_ack(dmub_srv);
}
bool should_use_dmub_lock(struct dc_link *link)
{
if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1)
return true;
return false;
}
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