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
|
/* 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 "baseboard/kukui/battery_smart.h"
#include "battery.h"
#include "battery_fuel_gauge.h"
#include "gpio.h"
const struct board_batt_params board_battery_info[] = {
[BATTERY_PANASONIC_AC15A3J] = {
.fuel_gauge = {
.manuf_name = "PANASONIC",
.device_name = "AC15A3J",
.ship_mode = {
.reg_addr = 0x3A,
.reg_data = { 0xC574, 0xC574 },
},
.fet = {
.reg_addr = 0x0,
.reg_mask = 0x4000,
.disconnect_val = 0x0,
}
},
.batt_info = {
.voltage_max = 13200,
.voltage_normal = 11580,
.voltage_min = 9000,
.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_PANASONIC_AC16L5J] = {
.fuel_gauge = {
.manuf_name = "PANASONIC",
.device_name = "AP16L5J",
.ship_mode = {
.reg_addr = 0x3A,
.reg_data = { 0xC574, 0xC574 },
},
.fet = {
.reg_addr = 0x0,
.reg_mask = 0x4000,
.disconnect_val = 0x0,
}
},
.batt_info = {
.voltage_max = 8800,
.voltage_normal = 7700,
.voltage_min = 6000,
.precharge_current = 256,
.start_charging_min_c = 0,
.start_charging_max_c = 50,
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = -20,
.discharging_max_c = 75,
},
},
[BATTERY_LGC_AC16L8J] = {
.fuel_gauge = {
.manuf_name = "LGC KT0020G010",
.device_name = "AP16L8J",
.ship_mode = {
.reg_addr = 0x3A,
.reg_data = { 0xC574, 0xC574 },
},
.fet = {
.mfgacc_support = 1,
.reg_addr = 0x0,
.reg_mask = 0x0002,
.disconnect_val = 0x0,
}
},
.batt_info = {
.voltage_max = 8700,
.voltage_normal = 7500,
.voltage_min = 6000,
.precharge_current = 256,
.start_charging_min_c = 0,
.start_charging_max_c = 50,
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = -20,
.discharging_max_c = 75,
},
},
};
BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT);
const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_PANASONIC_AC15A3J;
enum battery_present battery_hw_present(void)
{
return gpio_get_level(GPIO_EC_BATT_PRES_ODL) ? BP_NO : BP_YES;
}
/*
* Physical detection of battery.
*/
__override enum battery_present battery_check_present_status(void)
{
enum battery_present batt_pres = BP_NOT_SURE;
#ifdef CONFIG_BATTERY_HW_PRESENT_CUSTOM
/* Get the physical hardware status */
batt_pres = battery_hw_present();
#endif
/*
* If the battery is not physically connected, then no need to perform
* any more checks.
*/
if (batt_pres == BP_NO)
return batt_pres;
/*
* If the battery is present now and was present last time we checked,
* return early.
*/
if (batt_pres == batt_pres_prev)
return batt_pres;
/*
* Check battery disconnect status. If we are unable to read battery
* disconnect status or DFET is off, then return BP_NOT_SURE. Battery
* could be in ship mode and might require pre-charge current to wake
* it up. BP_NO is not returned here because charger state machine
* will not provide pre-charge current assuming that battery is not
* present.
*/
if (battery_get_disconnect_state() != BATTERY_NOT_DISCONNECTED)
return BP_NOT_SURE;
/*
* Ensure that battery is:
* 1. Not in cutoff
*/
if (battery_is_cut_off() != BATTERY_CUTOFF_STATE_NORMAL)
return BP_NO;
return batt_pres;
}
|
