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 */
23
24#include "hwmgr.h"
25#include "vega20_hwmgr.h"
26#include "vega20_powertune.h"
27#include "vega20_smumgr.h"
28#include "vega20_ppsmc.h"
29#include "vega20_inc.h"
30#include "pp_debug.h"
31
32int vega20_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
33{
34	struct vega20_hwmgr *data =
35			(struct vega20_hwmgr *)(hwmgr->backend);
36
37	if (data->smu_features[GNLD_PPT].enabled)
38		return smum_send_msg_to_smc_with_parameter(hwmgr,
39				PPSMC_MSG_SetPptLimit, n,
40				NULL);
41
42	return 0;
43}
44
45int vega20_validate_power_level_request(struct pp_hwmgr *hwmgr,
46		uint32_t tdp_percentage_adjustment, uint32_t tdp_absolute_value_adjustment)
47{
48	return (tdp_percentage_adjustment > hwmgr->platform_descriptor.TDPLimit) ? -1 : 0;
49}
50
51static int vega20_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr,
52		uint32_t adjust_percent)
53{
54	return smum_send_msg_to_smc_with_parameter(hwmgr,
55			PPSMC_MSG_OverDriveSetPercentage, adjust_percent,
56			NULL);
57}
58
59int vega20_power_control_set_level(struct pp_hwmgr *hwmgr)
60{
61	int adjust_percent, result = 0;
62
63	if (PP_CAP(PHM_PlatformCaps_PowerContainment)) {
64		adjust_percent =
65				hwmgr->platform_descriptor.TDPAdjustmentPolarity ?
66				hwmgr->platform_descriptor.TDPAdjustment :
67				(-1 * hwmgr->platform_descriptor.TDPAdjustment);
68		result = vega20_set_overdrive_target_percentage(hwmgr,
69				(uint32_t)adjust_percent);
70	}
71	return result;
72}