247 lines
6.2 KiB
C
Executable File
247 lines
6.2 KiB
C
Executable File
/*
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* Copyright (C) 2018 Semtech Corporation. All rights reserved.
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*
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* Copyright (C) 2013 Samsung Electronics. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef _SX9360_I2C_SUB_REG_H_
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#define _SX9360_I2C_SUB_REG_H_
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/*
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* I2C Registers
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*/
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enum registers1 {
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SX9360_IRQSTAT_REG = 0x00,
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SX9360_STAT_REG,
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SX9360_IRQ_ENABLE_REG,
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SX9360_IRQCFG_REG,
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/* General Control */
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SX9360_GNRLCTRL0_REG = 0x10,
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SX9360_GNRLCTRL1_REG,
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SX9360_GNRLCTRL2_REG,
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/* Analog-Front-End (AFE) Control */
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SX9360_AFECTRL1_REG = 0x21,
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SX9360_AFEPARAM0PHR_REG,
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SX9360_AFEPARAM1PHR_REG,
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SX9360_AFEPARAM0PHM_REG,
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SX9360_AFEPARAM1PHM_REG,
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/* PROX Data update */
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SX9360_PROXCTRL0PHR_REG = 0x40,
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SX9360_PROXCTRL0PHM_REG,
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SX9360_PROXCTRL1_REG,
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SX9360_PROXCTRL2_REG,
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SX9360_PROXCTRL3_REG,
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SX9360_PROXCTRL4_REG,
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SX9360_PROXCTRL5_REG,
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/* Reference sensor correction */
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SX9360_REFCORR0_REG = 0x60,
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SX9360_REFCORR1_REG,
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/* USE Filter - Main phase only */
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SX9360_USEFILTER0_REG =0x70,
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SX9360_USEFILTER1_REG,
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SX9360_USEFILTER2_REG,
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SX9360_USEFILTER3_REG,
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SX9360_USEFILTER4_REG,
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/* Sensor Data Readback */
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SX9360_REGUSEMSBPHR = 0x90,
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SX9360_REGUSELSBPHR,
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SX9360_REGOFFSETMSBPHR,
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SX9360_REGOFFSETLSBPHR,
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SX9360_REGUSEMSBPHM,
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SX9360_REGUSELSBPHM,
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SX9360_REGAVGMSBPHM,
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SX9360_REGAVGLSBPHM,
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SX9360_REGDIFFMSBPHM,
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SX9360_REGDIFFLSBPHM,
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SX9360_REGOFFSETMSBPHM,
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SX9360_REGOFFSETLSBPHM,
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/*DeltaVar value of USE filter */
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SX9360_USEFILTMSB = 0x9E,
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SX9360_USEFILTLSB,
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/* Miscellaneous */
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SX9360_SOFTRESET_REG = 0xCF,
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SX9360_WHOAMI_REG = 0xFA,
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SX9360_REV_REG = 0xFE,
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};
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/* IrqStat 0:Inactive 1:Active */
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#define SX9360_IRQSTAT_RESET_FLAG 0x10
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#define SX9360_IRQSTAT_TOUCH_FLAG 0x08
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#define SX9360_IRQSTAT_RELEASE_FLAG 0x04
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#define SX9360_IRQSTAT_COMPDONE_FLAG 0x02
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#define SX9360_IRQSTAT_CONV_FLAG 0x01
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/* CpsStat */
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#define SX9360_STAT_PROXSTAT_FLAG 0x08
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/* SoftReset */
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#define SX9360_SOFTRESET 0xDE
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/* Manual Compensation */
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#define SX9360_STAT_COMPSTAT_PHM 0x04
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#define SX9360_STAT_COMPSTAT_PHR 0x02
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#define SX9360_STAT_COMPSTAT_ALL_FLAG ( SX9360_STAT_COMPSTAT_PHM | SX9360_STAT_COMPSTAT_PHR )
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/* Who Am I */
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#define WHO_AM_I 96 // 0x60
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struct smtc_reg_data {
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unsigned char reg;
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unsigned char val;
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};
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enum {
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SX9360_REFRESOLUTION_REG_IDX = 4,
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SX9360_REFAGAINFREQ_REG_IDX = 5,
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SX9360_RESOLUTION_REG_IDX = 6,
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SX9360_AGAINFREQ_REG_IDX = 7,
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SX9360_REFGAINRAWFILT_REG_IDX = 8,
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SX9360_GAINRAWFILT_REG_IDX = 9,
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SX9360_HYST_REG_IDX = 13,
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SX9360_PROXTHRESH_REG_IDX = 14,
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};
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/* for device tree parse */
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#define SX9360_REFRESOLUTION "sx9360,refresolution_reg"
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#define SX9360_REFAGAINFREQ "sx9360,refagainfreq_reg"
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#define SX9360_RESOLUTION "sx9360,resolution_reg"
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#define SX9360_AGAINFREQ "sx9360,againfreq_reg"
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#define SX9360_REFGAINRAWFILT "sx9360,refgainrawfilt_reg"
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#define SX9360_GAINRAWFILT "sx9360,gainrawfilt_reg"
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#define SX9360_HYST "sx9360,hyst_reg"
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#define SX9360_PROXTHRESH "sx9360,proxthresh_reg"
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/*define the value without Phase enable settings for easy changes in driver*/
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#define SX9360_GNRLCTRL0_VAL_PHOFF (0x00)
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static struct smtc_reg_data setup_reg[] = {
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/* 0x10~0x12, General Control*/
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{
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.reg = SX9360_GNRLCTRL0_REG,
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.val = SX9360_GNRLCTRL0_VAL_PHOFF | 0x02,//not user reference sensor
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},
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{
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.reg = SX9360_GNRLCTRL1_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_GNRLCTRL2_REG,
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.val = 0x32,
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},
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/* 0x21~0x25, Analog-Front-End (AFE) Control */
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{
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.reg = SX9360_AFECTRL1_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_AFEPARAM0PHR_REG,
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.val = 0x0E, //Resolution=512
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},
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{
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.reg = SX9360_AFEPARAM1PHR_REG,
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.val = 0x46,
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},
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{
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.reg = SX9360_AFEPARAM0PHM_REG,
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.val = 0x0E, //Resolution=512
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},
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{
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.reg = SX9360_AFEPARAM1PHM_REG,
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.val = 0x46,
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},
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/* 0x40~0x46, PROX Data update */
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{
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.reg = SX9360_PROXCTRL0PHR_REG,
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.val = 0x09,
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},
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{
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.reg = SX9360_PROXCTRL0PHM_REG,
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.val = 0x09,
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},
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{
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.reg = SX9360_PROXCTRL1_REG,
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.val = 0x20,
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},
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{
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.reg = SX9360_PROXCTRL2_REG,
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.val = 0x60,
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},
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{
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.reg = SX9360_PROXCTRL3_REG,
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.val = 0x0C,
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},
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{
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.reg = SX9360_PROXCTRL4_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_PROXCTRL5_REG,
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.val = 0x7E, //Threshold=7938
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},
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/* 0x60~0x61, Reference sensor correction */
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{
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.reg = SX9360_REFCORR0_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_REFCORR1_REG,
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.val = 0x00,
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},
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/* 0x70~0x74, USE Filter - Main phase only */
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{
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.reg = SX9360_USEFILTER0_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_USEFILTER1_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_USEFILTER2_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_USEFILTER3_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_USEFILTER4_REG,
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.val = 0x00,
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},
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/* 0x02~0x03, Interrupt */
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{
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.reg = SX9360_IRQ_ENABLE_REG,
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.val = 0x00,
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},
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{
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.reg = SX9360_IRQCFG_REG,
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.val = 0x00,
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},
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};
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enum {
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OFF = 0,
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ON = 1
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};
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extern int sensors_create_symlink(struct input_dev *inputdev);
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extern void sensors_remove_symlink(struct input_dev *inputdev);
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extern int sensors_register(struct device *dev, void *drvdata,
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struct device_attribute *attributes[], char *name);
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extern void sensors_unregister(struct device *dev,
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struct device_attribute *attributes[]);
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#endif /* _SX9360_I2C_REG_H_*/
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