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