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
|
/* Copyright 2019 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "battery.h"
#include "battery_fuel_gauge.h"
#include "charge_state.h"
#include "charger_mt6370.h"
#include "console.h"
#include "driver/charger/rt946x.h"
#include "gpio.h"
#include "power.h"
#include "usb_pd.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args)
const struct board_batt_params board_battery_info[] = {
[BATTERY_SIMPLO] = {
.fuel_gauge = {
.manuf_name = "SMP",
.device_name = "L19M3PG0",
.ship_mode = {
.reg_addr = 0x34,
.reg_data = { 0x0000, 0x1000 },
},
.fet = {
.reg_addr = 0x34,
.reg_mask = 0x0100,
.disconnect_val = 0x0100,
}
},
.batt_info = {
.voltage_max = 4400,
.voltage_normal = 3840,
.voltage_min = 3000,
.precharge_current = 256,
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = -20,
.discharging_max_c = 60,
},
},
[BATTERY_CELXPERT] = {
.fuel_gauge = {
.manuf_name = "Celxpert",
.device_name = "L19C3PG0",
.ship_mode = {
.reg_addr = 0x34,
.reg_data = { 0x0000, 0x1000 },
},
.fet = {
.reg_addr = 0x34,
.reg_mask = 0x0100,
.disconnect_val = 0x0100,
}
},
.batt_info = {
.voltage_max = 4400,
.voltage_normal = 3840,
.voltage_min = 3000,
.precharge_current = 256,
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = -20,
.discharging_max_c = 60,
},
},
};
BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT);
const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_SIMPLO;
enum battery_present battery_hw_present(void)
{
return gpio_get_level(GPIO_EC_BATT_PRES_ODL) ? BP_NO : BP_YES;
}
int charger_profile_override(struct charge_state_data *curr)
{
#ifdef VARIANT_KUKUI_CHARGER_MT6370
mt6370_charger_profile_override(curr);
#endif /* CONFIG_CHARGER_MT6370 */
if (IS_ENABLED(CONFIG_CHARGER_MAINTAIN_VBAT)) {
/* Turn charger off if it's not needed */
if (curr->state == ST_IDLE || curr->state == ST_DISCHARGE) {
curr->requested_voltage = 0;
curr->requested_current = 0;
}
if (!curr->batt.is_present &&
curr->requested_voltage == 0 &&
curr->requested_current == 0) {
const struct battery_info *batt_info =
battery_get_info();
/*
* b/138978212: With adapter plugged in S0, the system
* will set charging current and voltage as 0V/0A once
* removing battery. Vsys drop to lower voltage
* (Vsys < 2.5V) since Vsys's loading, then system will
* shutdown. Keep max charging voltage as 4.4V when
* remove battery in S0 to not let the system to trigger
* under voltage (Vsys < 2.5V).
*/
CPRINTS("battery disconnected");
curr->requested_voltage = batt_info->voltage_max;
curr->requested_current = 500;
}
}
return 0;
}
enum ec_status charger_profile_override_get_param(uint32_t param,
uint32_t *value)
{
return EC_RES_INVALID_PARAM;
}
enum ec_status charger_profile_override_set_param(uint32_t param,
uint32_t value)
{
return EC_RES_INVALID_PARAM;
}
|
