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Łukasz Majewskieba42392012-11-13 03:22:01 +00001/*
2 * Copyright (C) 2012 Samsung Electronics
3 * Lukasz Majewski <l.majewski@samsung.com>
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Łukasz Majewskieba42392012-11-13 03:22:01 +00006 */
7
8#include <common.h>
Simon Glass24b852a2015-11-08 23:47:45 -07009#include <console.h>
Łukasz Majewskieba42392012-11-13 03:22:01 +000010#include <power/pmic.h>
11#include <power/battery.h>
12#include <power/max8997_pmic.h>
13#include <errno.h>
14
15static struct battery battery_trats;
16
17static 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
Simon Glass78a36c32014-05-20 06:01:35 -060023 if (bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_ENABLE, 450))
Łukasz Majewskieba42392012-11-13 03:22:01 +000024 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++) {
Łukasz Majewski9dfa3d02013-06-25 15:28:15 +020029 udelay(2000000);
30 if (!(k % 5))
31 puts(".");
Łukasz Majewskieba42392012-11-13 03:22:01 +000032 bat->fg->fg_battery_update(p_bat->fg, bat);
33
Łukasz Majewski9dfa3d02013-06-25 15:28:15 +020034 if (k == 200) {
Łukasz Majewskieba42392012-11-13 03:22:01 +000035 debug(" %d [V]", battery->voltage_uV);
36 puts("\n");
37 k = 0;
38 }
39
Łukasz Majewski9dfa3d02013-06-25 15:28:15 +020040 if (ctrlc()) {
41 printf("\nCharging disabled on request.\n");
42 goto exit;
43 }
Łukasz Majewskieba42392012-11-13 03:22:01 +000044 }
Łukasz Majewski9dfa3d02013-06-25 15:28:15 +020045 exit:
Simon Glass78a36c32014-05-20 06:01:35 -060046 bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_DISABLE, 0);
Łukasz Majewskieba42392012-11-13 03:22:01 +000047
48 return 0;
49}
50
51static 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
66static 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
72int 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}