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/* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Richtek rt9466/rt9467 battery charger driver.
*/
#ifndef __CROS_EC_RT946X_H
#define __CROS_EC_RT946X_H
/* Charger parameters */
#define CHARGER_NAME RT946X_CHARGER_NAME
#define CHARGE_V_MAX 4710
#define CHARGE_V_MIN 3900
#define CHARGE_V_STEP 10
#define CHARGE_I_MAX 5000
#define CHARGE_I_MIN 100
#define CHARGE_I_OFF 0
#define CHARGE_I_STEP 100
#define INPUT_I_MAX 3250
#define INPUT_I_MIN 100
#define INPUT_I_STEP 50
/* Registers */
#define RT946X_REG_CORECTRL0 0x00
#define RT946X_REG_CHGCTRL1 0x01
#define RT946X_REG_CHGCTRL2 0x02
#define RT946X_REG_CHGCTRL3 0x03
#define RT946X_REG_CHGCTRL4 0x04
#define RT946X_REG_CHGCTRL5 0x05
#define RT946X_REG_CHGCTRL6 0x06
#define RT946X_REG_CHGCTRL7 0x07
#define RT946X_REG_CHGCTRL8 0x08
#define RT946X_REG_CHGCTRL9 0x09
#define RT946X_REG_CHGCTRL10 0x0A
#define RT946X_REG_CHGCTRL11 0x0B
#define RT946X_REG_CHGCTRL12 0x0C
#define RT946X_REG_CHGCTRL13 0x0D
#define RT946X_REG_CHGCTRL14 0x0E
#define RT946X_REG_CHGCTRL15 0x0F
#define RT946X_REG_CHGCTRL16 0x10
#define RT946X_REG_CHGADC 0x11
#ifdef CONFIG_CHARGER_RT9467
#define RT946X_REG_DPDM1 0x12
#define RT946X_REG_DPDM2 0x13
#define RT946X_REG_DPDM3 0x14
#endif
#define RT946X_REG_CHGCTRL19 0x18
#define RT946X_REG_CHGCTRL17 0x19
#define RT946X_REG_CHGCTRL18 0x1A
#define RT946X_REG_CHGHIDDENCTRL2 0x21
#define RT946X_REG_CHGHIDDENCTRL4 0x23
#define RT946X_REG_CHGHIDDENCTRL6 0x25
#define RT946X_REG_CHGHIDDENCTRL7 0x26
#define RT946X_REG_CHGHIDDENCTRL8 0x27
#define RT946X_REG_CHGHIDDENCTRL9 0x28
#define RT946X_REG_CHGHIDDENCTRL15 0x2E
#define RT946X_REG_DEVICEID 0x40
#define RT946X_REG_CHGSTAT 0x42
#define RT946X_REG_CHGNTC 0x43
#define RT946X_REG_ADCDATAH 0x44
#define RT946X_REG_ADCDATAL 0x45
#define RT946X_REG_CHGSTATC 0x50
#define RT946X_REG_CHGFAULT 0x51
#define RT946X_REG_TSSTATC 0x52
#define RT946X_REG_CHGIRQ1 0x53
#define RT946X_REG_CHGIRQ2 0x54
#define RT946X_REG_CHGIRQ3 0x55
#ifdef CONFIG_CHARGER_RT9467
#define RT946X_REG_DPDMIRQ 0x56
#endif
#define RT946X_REG_CHGSTATCCTRL 0x60
#define RT946X_REG_CHGFAULTCTRL 0x61
#define RT946X_REG_TSSTATCCTRL 0x62
#define RT946X_REG_CHGIRQ1CTRL 0x63
#define RT946X_REG_CHGIRQ2CTRL 0x64
#define RT946X_REG_CHGIRQ3CTRL 0x65
#ifdef CONFIG_CHARGER_RT9467
#define RT946X_REG_DPDMIRQCTRL 0x66
#endif
/* EOC current */
#define RT946X_IEOC_MIN 100
#define RT946X_IEOC_MAX 850
#define RT946X_IEOC_STEP 50
/* Minimum Input Voltage Regulator */
#define RT946X_MIVR_MIN 3900
#define RT946X_MIVR_MAX 13400
#define RT946X_MIVR_STEP 100
/* Boost voltage */
#define RT946X_BOOST_VOLTAGE_MIN 4425
#define RT946X_BOOST_VOLTAGE_MAX 5825
#define RT946X_BOOST_VOLTAGE_STEP 25
/* IR compensation resistor */
#define RT946X_IRCMP_RES_MIN 0
#define RT946X_IRCMP_RES_MAX 175
#define RT946X_IRCMP_RES_STEP 25
/* IR compensation voltage clamp */
#define RT946X_IRCMP_VCLAMP_MIN 0
#define RT946X_IRCMP_VCLAMP_MAX 224
#define RT946X_IRCMP_VCLAMP_STEP 32
/* AICLVTH */
#define RT946X_AICLVTH_MIN 4100
#define RT946X_AICLVTH_MAX 4800
#define RT946X_AICLVTH_STEP 100
/* NTC */
#define RT946X_BATTEMP_NORMAL 0x00
#define RT946X_BATTEMP_WARM 0x02
#define RT946X_BATTEMP_COOL 0x03
#define RT946X_BATTEMP_COLD 0x05
#define RT946X_BATTEMP_HOT 0x06
/* ========== CORECTRL0 0x00 ============ */
#define RT946X_SHIFT_RST 7
#define RT946X_MASK_RST (1 << RT946X_SHIFT_RST)
/* ========== CHGCTRL1 0x01 ============ */
#define RT946X_SHIFT_OPA_MODE 0
#define RT946X_SHIFT_HZ_EN 2
#define RT946X_MASK_OPA_MODE (1 << RT946X_SHIFT_OPA_MODE)
#define RT946X_MASK_HZ_EN (1 << RT946X_SHIFT_HZ_EN)
/* ========== CHGCTRL2 0x02 ============ */
#define RT946X_SHIFT_ILMTSEL 2
#define RT946X_SHIFT_CHG_EN 0
#define RT946X_MASK_ILMTSEL 0x0C
#define RT946X_MASK_CHG_EN (1 << RT946X_SHIFT_CHG_EN)
/* ========== CHGCTRL3 0x03 ============ */
#define RT946X_SHIFT_AICR 2
#define RT946X_SHIFT_ILIMEN 0
#define RT946X_MASK_AICR 0xFC
#define RT946X_MASK_ILIMEN (1 << RT946X_SHIFT_ILIMEN)
/* ========== CHGCTRL4 0x04 ============ */
#define RT946X_SHIFT_CV 1
#define RT946X_MASK_CV 0xFE
/* ========== CHGCTRL5 0x05 ============ */
#define RT946X_SHIFT_BOOST_VOLTAGE 2
#define RT946X_MASK_BOOST_VOLTAGE 0xFC
/* ========== CHGCTRL6 0x06 ============ */
#define RT946X_SHIFT_MIVR 1
#define RT946X_MASK_MIVR 0xFE
/* ========== CHGCTRL7 0x07 ============ */
#define RT946X_SHIFT_ICHG 2
#define RT946X_MASK_ICHG 0xFC
/* ========== CHGCTRL9 0x09 ============ */
#define RT946X_SHIFT_IEOC 4
#define RT946X_MASK_IEOC 0xF0
/* ========== CHGCTRL10 0x0A ============ */
#define RT946X_SHIFT_BOOST_CURRENT 0
#define RT946X_MASK_BOOST_CURRENT 0x07
/* ========== CHGCTRL13 0x0D ============ */
#define RT946X_SHIFT_WDT_EN 7
#define RT946X_MASK_WDT_EN (1 << RT946X_SHIFT_WDT_EN)
/* ========== CHGCTRL14 0x0E ============ */
#define RT946X_SHIFT_AICLMEAS 7
#define RT946X_SHIFT_AICLVTH 0
#define RT946X_MASK_AICLMEAS (1 << RT946X_SHIFT_AICLMEAS)
#define RT946X_MASK_AICLVTH 0x07
/* ========== CHGDPDM1 0x12 ============ */
#define RT946X_MASK_USBCHGEN (1 << 7)
/* ========== CHGCTRL18 0x1A ============ */
#define RT946X_SHIFT_IRCMP_RES 3
#define RT946X_SHIFT_IRCMP_VCLAMP 0
#define RT946X_MASK_IRCMP_RES 0x38
#define RT946X_MASK_IRCMP_VCLAMP 0x07
/* ========== DEVICE_ID 0x40 ============ */
#define RT946X_MASK_VENDOR_ID 0xF0
#define RT946X_MASK_CHIP_REV 0x0F
/* ========== CHGSTAT 0x42 ============ */
#define RT946X_SHIFT_CHG_STAT 6
#define RT946X_MASK_CHG_STAT 0xC0
/* ========== CHGNTC 0x43 ============ */
#define RT946X_SHIFT_BATNTC_FAULT 4
#define RT946X_MASK_BATNTC_FAULT 0x70
/* ========== CHGFAULT 0x51 ============ */
#define RT946X_SHIFT_CHG_VSYSUV 4
#define RT946X_SHIFT_CHG_VSYSOV 5
#define RT946X_SHIFT_CHG_VBATOV 6
#define RT946X_SHIFT_CHG_VBUSOV 7
#define RT946X_MASK_CHG_VSYSUV (1 << RT946X_SHIFT_CHG_VSYSUV)
#define RT946X_MASK_CHG_VSYSOV (1 << RT946X_SHIFT_CHG_VSYSOV)
#define RT946X_MASK_CHG_VBATOV (1 << RT946X_SHIFT_CHG_VBATOV)
#define RT946X_MASK_CHG_VBUSOV (1 << RT946X_SHIFT_CHG_VBUSOV)
/* ========== Variant-specific configuration ============ */
#if defined(CONFIG_CHARGER_RT9466)
#define RT946X_CHARGER_NAME "rt9466"
#define RT946X_VENDOR_ID 0x80
#define RT946X_CHIP_REV 0x05
#define RT946X_ADDR (0x53 << 1)
#elif defined(CONFIG_CHARGER_RT9467)
#define RT946X_CHARGER_NAME "rt9467"
#define RT946X_VENDOR_ID 0x90
#define RT946X_CHIP_REV 0x05
#define RT946X_ADDR (0x5B << 1)
#endif
#endif /* __CROS_EC_RT946X_H */
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