331 lines
10 KiB
C
331 lines
10 KiB
C
/*
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* max14577-private.h - Common API for the Maxim 14577 internal sub chip
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*
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* Copyright (C) 2013 Samsung Electrnoics
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* Chanwoo Choi <cw00.choi@samsung.com>
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* Krzysztof Kozlowski <k.kozlowski@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MAX14577_PRIVATE_H__
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#define __MAX14577_PRIVATE_H__
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#define MAX14577_REG_INVALID (0xff)
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/* Slave addr = 0x4A: Interrupt */
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enum max14577_reg {
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MAX14577_REG_DEVICEID = 0x00,
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MAX14577_REG_INT1 = 0x01,
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MAX14577_REG_INT2 = 0x02,
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MAX14577_REG_INT3 = 0x03,
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MAX14577_REG_STATUS1 = 0x04,
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MAX14577_REG_STATUS2 = 0x05,
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MAX14577_REG_STATUS3 = 0x06,
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MAX14577_REG_INTMASK1 = 0x07,
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MAX14577_REG_INTMASK2 = 0x08,
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MAX14577_REG_INTMASK3 = 0x09,
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MAX14577_REG_CDETCTRL1 = 0x0A,
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MAX14577_REG_RFU = 0x0B,
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MAX14577_REG_CONTROL1 = 0x0C,
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MAX14577_REG_CONTROL2 = 0x0D,
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MAX14577_REG_CONTROL3 = 0x0E,
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MAX14577_REG_CHGCTRL1 = 0x0F,
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MAX14577_REG_CHGCTRL2 = 0x10,
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MAX14577_REG_CHGCTRL3 = 0x11,
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MAX14577_REG_CHGCTRL4 = 0x12,
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MAX14577_REG_CHGCTRL5 = 0x13,
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MAX14577_REG_CHGCTRL6 = 0x14,
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MAX14577_REG_CHGCTRL7 = 0x15,
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MAX14577_REG_END,
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};
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/* Slave addr = 0x4A: MUIC */
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enum max14577_muic_reg {
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MAX14577_MUIC_REG_STATUS1 = 0x04,
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MAX14577_MUIC_REG_STATUS2 = 0x05,
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MAX14577_MUIC_REG_CONTROL1 = 0x0C,
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MAX14577_MUIC_REG_CONTROL3 = 0x0E,
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MAX14577_MUIC_REG_END,
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};
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enum max14577_muic_charger_type {
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MAX14577_CHARGER_TYPE_NONE = 0,
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MAX14577_CHARGER_TYPE_USB,
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MAX14577_CHARGER_TYPE_DOWNSTREAM_PORT,
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MAX14577_CHARGER_TYPE_DEDICATED_CHG,
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MAX14577_CHARGER_TYPE_SPECIAL_500MA,
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MAX14577_CHARGER_TYPE_SPECIAL_1A,
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MAX14577_CHARGER_TYPE_RESERVED,
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MAX14577_CHARGER_TYPE_DEAD_BATTERY = 7,
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};
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/* MAX14577 interrupts */
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#define INT1_ADC_MASK (0x1 << 0)
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#define INT1_ADCLOW_MASK (0x1 << 1)
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#define INT1_ADCERR_MASK (0x1 << 2)
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#define INT2_CHGTYP_MASK (0x1 << 0)
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#define INT2_CHGDETRUN_MASK (0x1 << 1)
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#define INT2_DCDTMR_MASK (0x1 << 2)
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#define INT2_DBCHG_MASK (0x1 << 3)
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#define INT2_VBVOLT_MASK (0x1 << 4)
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#define INT3_EOC_MASK (0x1 << 0)
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#define INT3_CGMBC_MASK (0x1 << 1)
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#define INT3_OVP_MASK (0x1 << 2)
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#define INT3_MBCCHGERR_MASK (0x1 << 3)
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/* MAX14577 DEVICE ID register */
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#define DEVID_VENDORID_SHIFT 0
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#define DEVID_DEVICEID_SHIFT 3
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#define DEVID_VENDORID_MASK (0x07 << DEVID_VENDORID_SHIFT)
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#define DEVID_DEVICEID_MASK (0x1f << DEVID_DEVICEID_SHIFT)
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/* MAX14577 STATUS1 register */
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#define STATUS1_ADC_SHIFT 0
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#define STATUS1_ADCLOW_SHIFT 5
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#define STATUS1_ADCERR_SHIFT 6
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#define STATUS1_ADC_MASK (0x1f << STATUS1_ADC_SHIFT)
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#define STATUS1_ADCLOW_MASK (0x1 << STATUS1_ADCLOW_SHIFT)
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#define STATUS1_ADCERR_MASK (0x1 << STATUS1_ADCERR_SHIFT)
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/* MAX14577 STATUS2 register */
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#define STATUS2_CHGTYP_SHIFT 0
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#define STATUS2_CHGDETRUN_SHIFT 3
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#define STATUS2_DCDTMR_SHIFT 4
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#define STATUS2_DBCHG_SHIFT 5
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#define STATUS2_VBVOLT_SHIFT 6
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#define STATUS2_CHGTYP_MASK (0x7 << STATUS2_CHGTYP_SHIFT)
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#define STATUS2_CHGDETRUN_MASK (0x1 << STATUS2_CHGDETRUN_SHIFT)
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#define STATUS2_DCDTMR_MASK (0x1 << STATUS2_DCDTMR_SHIFT)
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#define STATUS2_DBCHG_MASK (0x1 << STATUS2_DBCHG_SHIFT)
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#define STATUS2_VBVOLT_MASK (0x1 << STATUS2_VBVOLT_SHIFT)
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/* MAX14577 CONTROL1 register */
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#define COMN1SW_SHIFT 0
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#define COMP2SW_SHIFT 3
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#define MICEN_SHIFT 6
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#define IDBEN_SHIFT 7
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#define COMN1SW_MASK (0x7 << COMN1SW_SHIFT)
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#define COMP2SW_MASK (0x7 << COMP2SW_SHIFT)
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#define MICEN_MASK (0x1 << MICEN_SHIFT)
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#define IDBEN_MASK (0x1 << IDBEN_SHIFT)
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#define CLEAR_IDBEN_MICEN_MASK (COMN1SW_MASK | COMP2SW_MASK)
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#define CTRL1_SW_USB ((1 << COMP2SW_SHIFT) \
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| (1 << COMN1SW_SHIFT))
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#define CTRL1_SW_AUDIO ((2 << COMP2SW_SHIFT) \
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| (2 << COMN1SW_SHIFT))
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#define CTRL1_SW_UART ((3 << COMP2SW_SHIFT) \
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| (3 << COMN1SW_SHIFT))
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#define CTRL1_SW_OPEN ((0 << COMP2SW_SHIFT) \
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| (0 << COMN1SW_SHIFT))
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/* MAX14577 CONTROL2 register */
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#define CTRL2_LOWPWR_SHIFT (0)
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#define CTRL2_ADCEN_SHIFT (1)
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#define CTRL2_CPEN_SHIFT (2)
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#define CTRL2_SFOUTASRT_SHIFT (3)
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#define CTRL2_SFOUTORD_SHIFT (4)
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#define CTRL2_ACCDET_SHIFT (5)
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#define CTRL2_USBCPINT_SHIFT (6)
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#define CTRL2_RCPS_SHIFT (7)
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#define CTRL2_LOWPWR_MASK (0x1 << CTRL2_LOWPWR_SHIFT)
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#define CTRL2_ADCEN_MASK (0x1 << CTRL2_ADCEN_SHIFT)
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#define CTRL2_CPEN_MASK (0x1 << CTRL2_CPEN_SHIFT)
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#define CTRL2_SFOUTASRT_MASK (0x1 << CTRL2_SFOUTASRT_SHIFT)
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#define CTRL2_SFOUTORD_MASK (0x1 << CTRL2_SFOUTORD_SHIFT)
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#define CTRL2_ACCDET_MASK (0x1 << CTRL2_ACCDET_SHIFT)
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#define CTRL2_USBCPINT_MASK (0x1 << CTRL2_USBCPINT_SHIFT)
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#define CTRL2_RCPS_MASK (0x1 << CTR2_RCPS_SHIFT)
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#define CTRL2_CPEN1_LOWPWR0 ((1 << CTRL2_CPEN_SHIFT) | \
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(0 << CTRL2_LOWPWR_SHIFT))
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#define CTRL2_CPEN0_LOWPWR1 ((0 << CTRL2_CPEN_SHIFT) | \
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(1 << CTRL2_LOWPWR_SHIFT))
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/* MAX14577 CONTROL3 register */
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#define CTRL3_JIGSET_SHIFT 0
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#define CTRL3_BOOTSET_SHIFT 2
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#define CTRL3_ADCDBSET_SHIFT 4
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#define CTRL3_JIGSET_MASK (0x3 << CTRL3_JIGSET_SHIFT)
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#define CTRL3_BOOTSET_MASK (0x3 << CTRL3_BOOTSET_SHIFT)
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#define CTRL3_ADCDBSET_MASK (0x3 << CTRL3_ADCDBSET_SHIFT)
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/* Slave addr = 0x4A: Charger */
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enum max14577_charger_reg {
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MAX14577_CHG_REG_STATUS3 = 0x06,
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MAX14577_CHG_REG_CHG_CTRL1 = 0x0F,
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MAX14577_CHG_REG_CHG_CTRL2 = 0x10,
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MAX14577_CHG_REG_CHG_CTRL3 = 0x11,
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MAX14577_CHG_REG_CHG_CTRL4 = 0x12,
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MAX14577_CHG_REG_CHG_CTRL5 = 0x13,
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MAX14577_CHG_REG_CHG_CTRL6 = 0x14,
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MAX14577_CHG_REG_CHG_CTRL7 = 0x15,
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MAX14577_CHG_REG_END,
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};
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/* MAX14577 STATUS3 register */
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#define STATUS3_EOC_SHIFT 0
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#define STATUS3_CGMBC_SHIFT 1
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#define STATUS3_OVP_SHIFT 2
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#define STATUS3_MBCCHGERR_SHIFT 3
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#define STATUS3_EOC_MASK (0x1 << STATUS3_EOC_SHIFT)
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#define STATUS3_CGMBC_MASK (0x1 << STATUS3_CGMBC_SHIFT)
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#define STATUS3_OVP_MASK (0x1 << STATUS3_OVP_SHIFT)
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#define STATUS3_MBCCHGERR_MASK (0x1 << STATUS3_MBCCHGERR_SHIFT)
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/* MAX14577 CDETCTRL1 register */
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#define CDETCTRL1_CHGDETEN_SHIFT 0
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#define CDETCTRL1_CHGTYPMAN_SHIFT 1
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#define CDETCTRL1_DCDEN_SHIFT 2
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#define CDETCTRL1_DCD2SCT_SHIFT 3
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#define CDETCTRL1_DCHKTM_SHIFT 4
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#define CDETCTRL1_DBEXIT_SHIFT 5
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#define CDETCTRL1_DBIDLE_SHIFT 6
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#define CDETCTRL1_CDPDET_SHIFT 7
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#define CDETCTRL1_CHGDETEN_MASK (0x1 << CDETCTRL1_CHGDETEN_SHIFT)
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#define CDETCTRL1_CHGTYPMAN_MASK (0x1 << CDETCTRL1_CHGTYPMAN_SHIFT)
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#define CDETCTRL1_DCDEN_MASK (0x1 << CDETCTRL1_DCDEN_SHIFT)
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#define CDETCTRL1_DCD2SCT_MASK (0x1 << CDETCTRL1_DCD2SCT_SHIFT)
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#define CDETCTRL1_DCHKTM_MASK (0x1 << CDETCTRL1_DCHKTM_SHIFT)
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#define CDETCTRL1_DBEXIT_MASK (0x1 << CDETCTRL1_DBEXIT_SHIFT)
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#define CDETCTRL1_DBIDLE_MASK (0x1 << CDETCTRL1_DBIDLE_SHIFT)
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#define CDETCTRL1_CDPDET_MASK (0x1 << CDETCTRL1_CDPDET_SHIFT)
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/* MAX14577 CHGCTRL1 register */
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#define CHGCTRL1_TCHW_SHIFT 4
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#define CHGCTRL1_TCHW_MASK (0x7 << CHGCTRL1_TCHW_SHIFT)
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/* MAX14577 CHGCTRL2 register */
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#define CHGCTRL2_MBCHOSTEN_SHIFT 6
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#define CHGCTRL2_MBCHOSTEN_MASK (0x1 << CHGCTRL2_MBCHOSTEN_SHIFT)
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#define CHGCTRL2_VCHGR_RC_SHIFT 7
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#define CHGCTRL2_VCHGR_RC_MASK (0x1 << CHGCTRL2_VCHGR_RC_SHIFT)
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/* MAX14577 CHGCTRL3 register */
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#define CHGCTRL3_MBCCVWRC_SHIFT 0
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#define CHGCTRL3_MBCCVWRC_MASK (0xf << CHGCTRL3_MBCCVWRC_SHIFT)
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/* MAX14577 CHGCTRL4 register */
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#define CHGCTRL4_MBCICHWRCH_SHIFT 0
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#define CHGCTRL4_MBCICHWRCH_MASK (0xf << CHGCTRL4_MBCICHWRCH_SHIFT)
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#define CHGCTRL4_MBCICHWRCL_SHIFT 4
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#define CHGCTRL4_MBCICHWRCL_MASK (0x1 << CHGCTRL4_MBCICHWRCL_SHIFT)
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/* MAX14577 CHGCTRL5 register */
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#define CHGCTRL5_EOCS_SHIFT 0
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#define CHGCTRL5_EOCS_MASK (0xf << CHGCTRL5_EOCS_SHIFT)
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/* MAX14577 CHGCTRL6 register */
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#define CHGCTRL6_AUTOSTOP_SHIFT 5
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#define CHGCTRL6_AUTOSTOP_MASK (0x1 << CHGCTRL6_AUTOSTOP_SHIFT)
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/* MAX14577 CHGCTRL7 register */
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#define CHGCTRL7_OTPCGHCVS_SHIFT 0
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#define CHGCTRL7_OTPCGHCVS_MASK (0x3 << CHGCTRL7_OTPCGHCVS_SHIFT)
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/* MAX14577 regulator current limits (as in CHGCTRL4 register), uA */
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#define MAX14577_REGULATOR_CURRENT_LIMIT_MIN 90000
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#define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START 200000
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#define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP 50000
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#define MAX14577_REGULATOR_CURRENT_LIMIT_MAX 950000
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/* MAX14577 regulator SFOUT LDO voltage, fixed, uV */
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#define MAX14577_REGULATOR_SAFEOUT_VOLTAGE 4900000
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enum max14577_irq_source {
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MAX14577_IRQ_INT1 = 0,
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MAX14577_IRQ_INT2,
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MAX14577_IRQ_INT3,
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MAX14577_IRQ_REGS_NUM,
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};
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enum max14577_irq {
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/* INT1 */
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MAX14577_IRQ_INT1_ADC,
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MAX14577_IRQ_INT1_ADCLOW,
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MAX14577_IRQ_INT1_ADCERR,
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/* INT2 */
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MAX14577_IRQ_INT2_CHGTYP,
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MAX14577_IRQ_INT2_CHGDETRUN,
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MAX14577_IRQ_INT2_DCDTMR,
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MAX14577_IRQ_INT2_DBCHG,
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MAX14577_IRQ_INT2_VBVOLT,
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/* INT3 */
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MAX14577_IRQ_INT3_EOC,
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MAX14577_IRQ_INT3_CGMBC,
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MAX14577_IRQ_INT3_OVP,
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MAX14577_IRQ_INT3_MBCCHGERR,
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MAX14577_IRQ_NUM,
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};
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struct max14577 {
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struct device *dev;
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struct i2c_client *i2c; /* Slave addr = 0x4A */
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struct regmap *regmap;
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struct regmap_irq_chip_data *irq_data;
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int irq;
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/* Device ID */
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u8 vendor_id; /* Vendor Identification */
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u8 device_id; /* Chip Version */
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};
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/* MAX14577 shared regmap API function */
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static inline int max14577_read_reg(struct regmap *map, u8 reg, u8 *dest)
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{
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unsigned int val;
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int ret;
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ret = regmap_read(map, reg, &val);
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*dest = val;
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return ret;
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}
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static inline int max14577_bulk_read(struct regmap *map, u8 reg, u8 *buf,
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int count)
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{
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return regmap_bulk_read(map, reg, buf, count);
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}
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static inline int max14577_write_reg(struct regmap *map, u8 reg, u8 value)
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{
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return regmap_write(map, reg, value);
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}
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static inline int max14577_bulk_write(struct regmap *map, u8 reg, u8 *buf,
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int count)
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{
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return regmap_bulk_write(map, reg, buf, count);
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}
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static inline int max14577_update_reg(struct regmap *map, u8 reg, u8 mask,
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u8 val)
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{
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return regmap_update_bits(map, reg, mask, val);
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}
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#endif /* __MAX14577_PRIVATE_H__ */
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