1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2012 Samsung Electronics
4 * Lukasz Majewski <l.majewski@samsung.com>
5 */
6
7 #include <common.h>
8 #include <console.h>
9 #include <power/pmic.h>
10 #include <power/battery.h>
11 #include <power/max8997_pmic.h>
12 #include <errno.h>
13
14 static struct battery battery_trats;
15
power_battery_charge(struct pmic * bat)16 static int power_battery_charge(struct pmic *bat)
17 {
18 struct power_battery *p_bat = bat->pbat;
19 struct battery *battery = p_bat->bat;
20 int k;
21
22 if (bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_ENABLE, 450))
23 return -1;
24
25 for (k = 0; bat->chrg->chrg_bat_present(p_bat->chrg) &&
26 bat->chrg->chrg_type(p_bat->muic) &&
27 battery->state_of_chrg < 100; k++) {
28 udelay(2000000);
29 if (!(k % 5))
30 puts(".");
31 bat->fg->fg_battery_update(p_bat->fg, bat);
32
33 if (k == 200) {
34 debug(" %d [V]", battery->voltage_uV);
35 puts("\n");
36 k = 0;
37 }
38
39 if (ctrlc()) {
40 printf("\nCharging disabled on request.\n");
41 goto exit;
42 }
43 }
44 exit:
45 bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_DISABLE, 0);
46
47 return 0;
48 }
49
power_battery_init_trats(struct pmic * bat_,struct pmic * fg_,struct pmic * chrg_,struct pmic * muic_)50 static int power_battery_init_trats(struct pmic *bat_,
51 struct pmic *fg_,
52 struct pmic *chrg_,
53 struct pmic *muic_)
54 {
55 bat_->pbat->fg = fg_;
56 bat_->pbat->chrg = chrg_;
57 bat_->pbat->muic = muic_;
58
59 bat_->fg = fg_->fg;
60 bat_->chrg = chrg_->chrg;
61 bat_->chrg->chrg_type = muic_->chrg->chrg_type;
62 return 0;
63 }
64
65 static struct power_battery power_bat_trats = {
66 .bat = &battery_trats,
67 .battery_init = power_battery_init_trats,
68 .battery_charge = power_battery_charge,
69 };
70
power_bat_init(unsigned char bus)71 int power_bat_init(unsigned char bus)
72 {
73 static const char name[] = "BAT_TRATS";
74 struct pmic *p = pmic_alloc();
75
76 if (!p) {
77 printf("%s: POWER allocation error!\n", __func__);
78 return -ENOMEM;
79 }
80
81 debug("Board BAT init\n");
82
83 p->interface = PMIC_NONE;
84 p->name = name;
85 p->bus = bus;
86
87 p->pbat = &power_bat_trats;
88 return 0;
89 }
90