[people/ms/u-boot.git] / drivers / power / battery / bat_trats.c

/*
 *  Copyright (C) 2012 Samsung Electronics
 *  Lukasz Majewski <l.majewski@samsung.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <console.h>
#include <power/pmic.h>
#include <power/battery.h>
#include <power/max8997_pmic.h>
#include <errno.h>

static struct battery battery_trats;

static int power_battery_charge(struct pmic *bat)
{
	struct power_battery *p_bat = bat->pbat;
	struct battery *battery = p_bat->bat;
	int k;

	if (bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_ENABLE, 450))
		return -1;

	for (k = 0; bat->chrg->chrg_bat_present(p_bat->chrg) &&
		     bat->chrg->chrg_type(p_bat->muic) &&
		     battery->state_of_chrg < 100; k++) {
		udelay(2000000);
		if (!(k % 5))
			puts(".");
		bat->fg->fg_battery_update(p_bat->fg, bat);

		if (k == 200) {
			debug(" %d [V]", battery->voltage_uV);
			puts("\n");
			k = 0;
		}

		if (ctrlc()) {
			printf("\nCharging disabled on request.\n");
			goto exit;
		}
	}
 exit:
	bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_DISABLE, 0);

	return 0;
}

static int power_battery_init_trats(struct pmic *bat_,
				    struct pmic *fg_,
				    struct pmic *chrg_,
				    struct pmic *muic_)
{
	bat_->pbat->fg = fg_;
	bat_->pbat->chrg = chrg_;
	bat_->pbat->muic = muic_;

	bat_->fg = fg_->fg;
	bat_->chrg = chrg_->chrg;
	bat_->chrg->chrg_type = muic_->chrg->chrg_type;
	return 0;
}

static struct power_battery power_bat_trats = {
	.bat = &battery_trats,
	.battery_init = power_battery_init_trats,
	.battery_charge = power_battery_charge,
};

int power_bat_init(unsigned char bus)
{
	static const char name[] = "BAT_TRATS";
	struct pmic *p = pmic_alloc();

	if (!p) {
		printf("%s: POWER allocation error!\n", __func__);
		return -ENOMEM;
	}

	debug("Board BAT init\n");

	p->interface = PMIC_NONE;
	p->name = name;
	p->bus = bus;

	p->pbat = &power_bat_trats;
	return 0;
}
Commit	Line	Data
eba42391 ŁM	1	/*
	2	* Copyright (C) 2012 Samsung Electronics
	3	* Lukasz Majewski <l.majewski@samsung.com>
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
eba42391 ŁM	6	*/
	7
	8	#include <common.h>
24b852a7	9	#include <console.h>
eba42391 ŁM	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
78a36c3e	23	if (bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_ENABLE, 450))
eba42391 ŁM	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++) {
9dfa3d07 ŁM	29	udelay(2000000);
	30	if (!(k % 5))
	31	puts(".");
eba42391 ŁM	32	bat->fg->fg_battery_update(p_bat->fg, bat);
eba42391 ŁM	33
9dfa3d07	34	if (k == 200) {
eba42391 ŁM	35	debug(" %d [V]", battery->voltage_uV);
	36	puts("\n");
	37	k = 0;
	38	}
	39
9dfa3d07 ŁM	40	if (ctrlc()) {
	41	printf("\nCharging disabled on request.\n");
	42	goto exit;
	43	}
eba42391	44	}
9dfa3d07	45	exit:
78a36c3e	46	bat->chrg->chrg_state(p_bat->chrg, PMIC_CHARGER_DISABLE, 0);
eba42391 ŁM	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	}