1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2012 Samsung Electronics
3*4882a593Smuzhiyun * Lukasz Majewski <l.majewski@samsung.com>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <console.h>
10*4882a593Smuzhiyun #include <power/pmic.h>
11*4882a593Smuzhiyun #include <power/battery.h>
12*4882a593Smuzhiyun #include <power/max8997_pmic.h>
13*4882a593Smuzhiyun #include <errno.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun static struct battery battery_trats;
16*4882a593Smuzhiyun
power_battery_charge(struct pmic * bat)17*4882a593Smuzhiyun static int power_battery_charge(struct pmic *bat)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun struct power_battery *p_bat = bat->pbat;
20*4882a593Smuzhiyun struct battery *battery = p_bat->bat;
21*4882a593Smuzhiyun int k;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun if (bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_ENABLE, 450))
24*4882a593Smuzhiyun return -1;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun for (k = 0; bat->chrg->chrg_bat_present(p_bat->chrg) &&
27*4882a593Smuzhiyun bat->chrg->chrg_type(p_bat->muic) &&
28*4882a593Smuzhiyun battery->state_of_chrg < 100; k++) {
29*4882a593Smuzhiyun udelay(2000000);
30*4882a593Smuzhiyun if (!(k % 5))
31*4882a593Smuzhiyun puts(".");
32*4882a593Smuzhiyun bat->fg->fg_battery_update(p_bat->fg, bat);
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun if (k == 200) {
35*4882a593Smuzhiyun debug(" %d [V]", battery->voltage_uV);
36*4882a593Smuzhiyun puts("\n");
37*4882a593Smuzhiyun k = 0;
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun if (ctrlc()) {
41*4882a593Smuzhiyun printf("\nCharging disabled on request.\n");
42*4882a593Smuzhiyun goto exit;
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun exit:
46*4882a593Smuzhiyun bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_DISABLE, 0);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun return 0;
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
power_battery_init_trats(struct pmic * bat_,struct pmic * fg_,struct pmic * chrg_,struct pmic * muic_)51*4882a593Smuzhiyun static int power_battery_init_trats(struct pmic *bat_,
52*4882a593Smuzhiyun struct pmic *fg_,
53*4882a593Smuzhiyun struct pmic *chrg_,
54*4882a593Smuzhiyun struct pmic *muic_)
55*4882a593Smuzhiyun {
56*4882a593Smuzhiyun bat_->pbat->fg = fg_;
57*4882a593Smuzhiyun bat_->pbat->chrg = chrg_;
58*4882a593Smuzhiyun bat_->pbat->muic = muic_;
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun bat_->fg = fg_->fg;
61*4882a593Smuzhiyun bat_->chrg = chrg_->chrg;
62*4882a593Smuzhiyun bat_->chrg->chrg_type = muic_->chrg->chrg_type;
63*4882a593Smuzhiyun return 0;
64*4882a593Smuzhiyun }
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun static struct power_battery power_bat_trats = {
67*4882a593Smuzhiyun .bat = &battery_trats,
68*4882a593Smuzhiyun .battery_init = power_battery_init_trats,
69*4882a593Smuzhiyun .battery_charge = power_battery_charge,
70*4882a593Smuzhiyun };
71*4882a593Smuzhiyun
power_bat_init(unsigned char bus)72*4882a593Smuzhiyun int power_bat_init(unsigned char bus)
73*4882a593Smuzhiyun {
74*4882a593Smuzhiyun static const char name[] = "BAT_TRATS";
75*4882a593Smuzhiyun struct pmic *p = pmic_alloc();
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun if (!p) {
78*4882a593Smuzhiyun printf("%s: POWER allocation error!\n", __func__);
79*4882a593Smuzhiyun return -ENOMEM;
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun debug("Board BAT init\n");
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun p->interface = PMIC_NONE;
85*4882a593Smuzhiyun p->name = name;
86*4882a593Smuzhiyun p->bus = bus;
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun p->pbat = &power_bat_trats;
89*4882a593Smuzhiyun return 0;
90*4882a593Smuzhiyun }
91