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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <ec/google/chromeec/ec.h>
#include <soc/mt6359p.h>
#include <soc/mt6360.h>
#include <soc/regulator.h>
static int get_mt6360_regulator_id(enum mtk_regulator regulator)
{
switch (regulator) {
case MTK_REGULATOR_VDD2:
return MT6360_BUCK1;
case MTK_REGULATOR_VDDQ:
return MT6360_LDO7;
case MTK_REGULATOR_VMDDR:
return MT6360_LDO6;
case MTK_REGULATOR_VCC:
return MT6360_LDO5;
case MTK_REGULATOR_VCCQ:
return MT6360_LDO3;
default:
break;
}
return -1;
}
static int get_mt6359p_regulator_id(enum mtk_regulator regulator)
{
switch (regulator) {
case MTK_REGULATOR_VCORE:
return MT6359P_GPU11;
default:
break;
}
return -1;
}
void mainboard_set_regulator_vol(enum mtk_regulator regulator,
uint32_t voltage_uv)
{
/*
* Handle the regulator that does not have a regulator ID
* in its underlying implementation.
*/
if (regulator == MTK_REGULATOR_VDD1) {
mt6359p_set_vm18_voltage(voltage_uv);
return;
}
int id;
id = get_mt6360_regulator_id(regulator);
if (id >= 0) {
uint32_t voltage_mv = voltage_uv / 1000;
google_chromeec_regulator_set_voltage(id, voltage_mv, voltage_mv);
return;
}
id = get_mt6359p_regulator_id(regulator);
if (id >= 0) {
mt6359p_buck_set_voltage(id, voltage_uv);
return;
}
printk(BIOS_WARNING, "Invalid regulator ID: %d\n", regulator);
}
uint32_t mainboard_get_regulator_vol(enum mtk_regulator regulator)
{
/*
* Handle the regulator that does not have a regulator ID
* in its underlying implementation.
*/
if (regulator == MTK_REGULATOR_VDD1)
return mt6359p_get_vm18_voltage();
int id;
id = get_mt6360_regulator_id(regulator);
if (id >= 0) {
uint32_t voltage_mv = 0;
google_chromeec_regulator_get_voltage(id, &voltage_mv);
return voltage_mv * 1000;
}
id = get_mt6359p_regulator_id(regulator);
if (id >= 0)
return mt6359p_buck_get_voltage(id);
printk(BIOS_WARNING, "Invalid regulator ID: %d\n", regulator);
return 0;
}
int mainboard_enable_regulator(enum mtk_regulator regulator, uint8_t enable)
{
/* Return 0 if the regulator is already enabled or disabled. */
if (mainboard_regulator_is_enabled(regulator) == enable)
return 0;
int id;
id = get_mt6360_regulator_id(regulator);
if (id < 0) {
printk(BIOS_WARNING, "Invalid regulator ID: %d\n", regulator);
return -1;
}
return google_chromeec_regulator_enable(id, enable);
}
uint8_t mainboard_regulator_is_enabled(enum mtk_regulator regulator)
{
int id;
id = get_mt6360_regulator_id(regulator);
if (id < 0) {
printk(BIOS_WARNING, "Invalid regulator ID: %d\n; assuming disabled",
regulator);
return 0;
}
uint8_t enabled;
if (google_chromeec_regulator_is_enabled(id, &enabled) < 0) {
printk(BIOS_WARNING,
"Failed to query regulator ID: %d\n; assuming disabled",
regulator);
return 0;
}
return enabled;
}
|
