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/*
* MAX77693_charger.h
* Samsung MAX77693 Charger Header
*
* Copyright (C) 2012 Samsung Electronics, Inc.
*
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __MAX77693_CHARGER_H
#define __MAX77693_CHARGER_H __FILE__
#include <linux/mfd/core.h>
#include <linux/mfd/max77693.h>
#include <linux/mfd/max77693-private.h>
#include <linux/regulator/machine.h>
#define ENABLE 1
#define DISABLE 0
/* macro */
#define MAX(x, y) ((x) > (y) ? (x) : (y))
#define MIN(x, y) ((x) < (y) ? (x) : (y))
#define ABS(x) ((x) < 0 ? (-1 * (x)) : (x))
/*
* Use for battery
*/
#define OFF_CURR 0 /* charger off current */
#define KEEP_CURR -1 /* keep previous current */
/* MAX77693_CHG_REG_CHG_INT */
#define MAX77693_BYP_I (1 << 0)
#define MAX77693_BATP_I (1 << 2)
#define MAX77693_BAT_I (1 << 3)
#define MAX77693_CHG_I (1 << 4)
#define MAX77693_WCIN_I (1 << 5)
#define MAX77693_CHGIN_I (1 << 6)
/* MAX77693_CHG_REG_CHG_INT_MASK */
#define MAX77693_BYP_IM (1 << 0)
#define MAX77693_THM_IM (1 << 2)
#define MAX77693_BAT_IM (1 << 3)
#define MAX77693_CHG_IM (1 << 4)
#define MAX77693_WCIN_IM (1 << 5)
#define MAX77693_CHGIN_IM (1 << 6)
/* MAX77693_CHG_REG_CHG_INT_OK */
#define MAX77693_BYP_OK 0x01
#define MAX77693_BYP_OK_SHIFT 0
#define MAX77693_BATP_OK 0x04
#define MAX77693_BATP_OK_SHIFT 2
#define MAX77693_BAT_OK 0x08
#define MAX77693_BAT_OK_SHIFT 3
#define MAX77693_CHG_OK 0x10
#define MAX77693_CHG_OK_SHIFT 4
#define MAX77693_WCIN_OK 0x20
#define MAX77693_WCIN_OK_SHIFT 5
#define MAX77693_CHGIN_OK 0x40
#define MAX77693_CHGIN_OK_SHIFT 6
#define MAX77693_DETBAT 0x04
#define MAX77693_DETBAT_SHIFT 2
/* MAX77693_CHG_REG_CHG_DTLS_00 */
#define MAX77693_BATP_DTLS 0x01
#define MAX77693_BATP_DTLS_SHIFT 0
#define MAX77693_WCIN_DTLS 0x18
#define MAX77693_WCIN_DTLS_SHIFT 3
#define MAX77693_CHGIN_DTLS 0x60
#define MAX77693_CHGIN_DTLS_SHIFT 5
/* MAX77693_CHG_REG_CHG_DTLS_01 */
#define MAX77693_CHG_DTLS 0x0F
#define MAX77693_CHG_DTLS_SHIFT 0
#define MAX77693_BAT_DTLS 0x70
#define MAX77693_BAT_DTLS_SHIFT 4
/* MAX77693_CHG_REG_CHG_DTLS_02 */
#define MAX77693_BYP_DTLS 0x0F
#define MAX77693_BYP_DTLS_SHIFT 0
#define MAX77693_BYP_DTLS0 0x1
#define MAX77693_BYP_DTLS1 0x2
#define MAX77693_BYP_DTLS2 0x4
#define MAX77693_BYP_DTLS3 0x8
/* MAX77693_CHG_REG_CHG_CNFG_00 */
#define MAX77693_MODE_DEFAULT 0x04
#define MAX77693_MODE_CHGR 0x01
#define MAX77693_MODE_OTG 0x02
#define MAX77693_MODE_BUCK 0x04
/* MAX77693_CHG_REG_CHG_CNFG_02 */
#define MAX77693_CHG_CC 0x3F
/* MAX77693_CHG_REG_CHG_CNFG_03 */
#define MAX77693_CHG_TO_ITH 0x07
/* MAX77693_CHG_REG_CHG_CNFG_04 */
#define MAX77693_CHG_MINVSYS_MASK 0xE0
#define MAX77693_CHG_MINVSYS_SHIFT 5
#define MAX77693_CHG_PRM_MASK 0x1F
#define MAX77693_CHG_PRM_SHIFT 0
/* MAX77693_CHG_REG_CHG_CNFG_09 */
#define MAX77693_CHG_CHGIN_LIM 0x7F
/* MAX77693_CHG_REG_CHG_CNFG_12 */
#define MAX77693_CHG_WCINSEL 0x40
/* MAX77693_MUIC_REG_CDETCTRL1 */
#define MAX77693_CHGTYPMAN 0x02
#define MAX77693_CHGTYPMAN_SHIFT 1
/* MAX77693_MUIC_REG_STATUS2 */
#define MAX77693_VBVOLT 0x40
#define MAX77693_VBVOLT_SHIFT 6
#define MAX77693_CHGDETRUN 0x08
#define MAX77693_CHGDETRUN_SHIFT 3
#define MAX77693_CHGTYPE 0x07
#define MAX77693_CHGTYPE_SHIFT 0
/* irq */
#define IRQ_DEBOUNCE_TIME 20 /* msec */
/* charger type detection */
#define DET_ERR_RETRY 5
#define DET_ERR_DELAY 200
/* soft charging */
#define SOFT_CHG_START_CURR 100 /* mA */
#define SOFT_CHG_START_DUR 100 /* ms */
#define SOFT_CHG_CURR_STEP 100 /* mA */
#define SOFT_CHG_STEP_DUR 20 /* ms */
#define DEFAULT_AC_CURRENT 1600 /* mA */
#define DEFAULT_USB_CURRENT 500 /* mA */
enum {
POWER_SUPPLY_VBUS_UNKNOWN = 0,
POWER_SUPPLY_VBUS_UVLO,
POWER_SUPPLY_VBUS_WEAK,
POWER_SUPPLY_VBUS_OVLO,
POWER_SUPPLY_VBUS_GOOD,
};
extern sec_battery_platform_data_t sec_battery_pdata;
#endif