blob: e27d547a71a79ee7c3100cd62a41395cb0a775c1 (
plain)
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
|
/* Copyright 2016 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.
*
* Battery pack vendor provided charging profile
*/
#include "battery.h"
#include "battery_smart.h"
#include "charge_state.h"
#include "console.h"
#include "driver/charger/rt946x.h"
#include "ec_commands.h"
#include "extpower.h"
#include "util.h"
static const struct battery_info info = {
.voltage_max = 4350,
.voltage_normal = 3800,
.voltage_min = 3000,
.precharge_current = 700,
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 45,
.discharging_min_c = -20,
.discharging_max_c = 55,
};
const struct battery_info *battery_get_info(void)
{
return &info;
}
int board_cut_off_battery(void)
{
return rt946x_cutoff_battery();
}
enum battery_disconnect_state battery_get_disconnect_state(void)
{
if (battery_is_present() == BP_YES)
return BATTERY_NOT_DISCONNECTED;
return BATTERY_DISCONNECTED;
}
int charger_profile_override(struct charge_state_data *curr)
{
const struct battery_info *batt_info = battery_get_info();
int now_discharging;
/* battery temp in 0.1 deg C */
int bat_temp_c = curr->batt.temperature - 2731;
if (curr->state == ST_CHARGE) {
/* Don't charge if outside of allowable temperature range */
if (bat_temp_c >= batt_info->charging_max_c * 10 ||
bat_temp_c < batt_info->charging_min_c * 10) {
curr->requested_current = curr->requested_voltage = 0;
curr->batt.flags &= ~BATT_FLAG_WANT_CHARGE;
curr->state = ST_IDLE;
now_discharging = 0;
/* Don't start charging if battery is nearly full */
} else if (curr->batt.status & STATUS_FULLY_CHARGED) {
curr->requested_current = curr->requested_voltage = 0;
curr->batt.flags &= ~BATT_FLAG_WANT_CHARGE;
curr->state = ST_DISCHARGE;
now_discharging = 1;
} else
now_discharging = 0;
charger_discharge_on_ac(now_discharging);
}
return 0;
}
/* Customs options controllable by host command. */
#define PARAM_FASTCHARGE (CS_PARAM_CUSTOM_PROFILE_MIN + 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;
}
|
