1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// SPDX-License-Identifier: GPL-2.0
/*
* AMD Platform Management Framework Driver - Smart PC Capabilities
*
* Copyright (c) 2023, Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Authors: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
* Patil Rajesh Reddy <Patil.Reddy@amd.com>
*/
#include <acpi/button.h>
#include <linux/power_supply.h>
#include <linux/units.h>
#include "pmf.h"
#ifdef CONFIG_AMD_PMF_DEBUG
static const char *ta_slider_as_str(unsigned int state)
{
switch (state) {
case TA_BEST_PERFORMANCE:
return "PERFORMANCE";
case TA_BETTER_PERFORMANCE:
return "BALANCED";
case TA_BEST_BATTERY:
return "POWER_SAVER";
default:
return "Unknown TA Slider State";
}
}
void amd_pmf_dump_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
{
dev_dbg(dev->dev, "==== TA inputs START ====\n");
dev_dbg(dev->dev, "Slider State: %s\n", ta_slider_as_str(in->ev_info.power_slider));
dev_dbg(dev->dev, "Power Source: %s\n", amd_pmf_source_as_str(in->ev_info.power_source));
dev_dbg(dev->dev, "Battery Percentage: %u\n", in->ev_info.bat_percentage);
dev_dbg(dev->dev, "Designed Battery Capacity: %u\n", in->ev_info.bat_design);
dev_dbg(dev->dev, "Fully Charged Capacity: %u\n", in->ev_info.full_charge_capacity);
dev_dbg(dev->dev, "Drain Rate: %d\n", in->ev_info.drain_rate);
dev_dbg(dev->dev, "Socket Power: %u\n", in->ev_info.socket_power);
dev_dbg(dev->dev, "Skin Temperature: %u\n", in->ev_info.skin_temperature);
dev_dbg(dev->dev, "Avg C0 Residency: %u\n", in->ev_info.avg_c0residency);
dev_dbg(dev->dev, "Max C0 Residency: %u\n", in->ev_info.max_c0residency);
dev_dbg(dev->dev, "GFX Busy: %u\n", in->ev_info.gfx_busy);
dev_dbg(dev->dev, "LID State: %s\n", in->ev_info.lid_state ? "close" : "open");
dev_dbg(dev->dev, "==== TA inputs END ====\n");
}
#else
void amd_pmf_dump_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in) {}
#endif
static void amd_pmf_get_smu_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
{
u16 max, avg = 0;
int i;
memset(dev->buf, 0, sizeof(dev->m_table));
amd_pmf_send_cmd(dev, SET_TRANSFER_TABLE, 0, 7, NULL);
memcpy(&dev->m_table, dev->buf, sizeof(dev->m_table));
in->ev_info.socket_power = dev->m_table.apu_power + dev->m_table.dgpu_power;
in->ev_info.skin_temperature = dev->m_table.skin_temp;
/* Get the avg and max C0 residency of all the cores */
max = dev->m_table.avg_core_c0residency[0];
for (i = 0; i < ARRAY_SIZE(dev->m_table.avg_core_c0residency); i++) {
avg += dev->m_table.avg_core_c0residency[i];
if (dev->m_table.avg_core_c0residency[i] > max)
max = dev->m_table.avg_core_c0residency[i];
}
avg = DIV_ROUND_CLOSEST(avg, ARRAY_SIZE(dev->m_table.avg_core_c0residency));
in->ev_info.avg_c0residency = avg;
in->ev_info.max_c0residency = max;
in->ev_info.gfx_busy = dev->m_table.avg_gfx_activity;
}
static const char * const pmf_battery_supply_name[] = {
"BATT",
"BAT0",
};
static int amd_pmf_get_battery_prop(enum power_supply_property prop)
{
union power_supply_propval value;
struct power_supply *psy;
int i, ret;
for (i = 0; i < ARRAY_SIZE(pmf_battery_supply_name); i++) {
psy = power_supply_get_by_name(pmf_battery_supply_name[i]);
if (!psy)
continue;
ret = power_supply_get_property(psy, prop, &value);
if (ret) {
power_supply_put(psy);
return ret;
}
}
return value.intval;
}
static int amd_pmf_get_battery_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
{
int val;
val = amd_pmf_get_battery_prop(POWER_SUPPLY_PROP_PRESENT);
if (val < 0)
return val;
if (val != 1)
return -ENODEV;
in->ev_info.bat_percentage = amd_pmf_get_battery_prop(POWER_SUPPLY_PROP_CAPACITY);
/* all values in mWh metrics */
in->ev_info.bat_design = amd_pmf_get_battery_prop(POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN) /
MILLIWATT_PER_WATT;
in->ev_info.full_charge_capacity = amd_pmf_get_battery_prop(POWER_SUPPLY_PROP_ENERGY_FULL) /
MILLIWATT_PER_WATT;
in->ev_info.drain_rate = amd_pmf_get_battery_prop(POWER_SUPPLY_PROP_POWER_NOW) /
MILLIWATT_PER_WATT;
return 0;
}
static int amd_pmf_get_slider_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
{
int val;
switch (dev->current_profile) {
case PLATFORM_PROFILE_PERFORMANCE:
val = TA_BEST_PERFORMANCE;
break;
case PLATFORM_PROFILE_BALANCED:
val = TA_BETTER_PERFORMANCE;
break;
case PLATFORM_PROFILE_LOW_POWER:
val = TA_BEST_BATTERY;
break;
default:
dev_err(dev->dev, "Unknown Platform Profile.\n");
return -EOPNOTSUPP;
}
in->ev_info.power_slider = val;
return 0;
}
void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
{
/* TA side lid open is 1 and close is 0, hence the ! here */
in->ev_info.lid_state = !acpi_lid_open();
in->ev_info.power_source = amd_pmf_get_power_source();
amd_pmf_get_smu_info(dev, in);
amd_pmf_get_battery_info(dev, in);
amd_pmf_get_slider_info(dev, in);
}
|
