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Viewing File: /usr/src/kernels/5.14.0-570.32.1.el9_6.x86_64/include/linux/mfd/pcf50633/adc.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * adc.h  -- Driver for NXP PCF50633 ADC
 *
 * (C) 2006-2008 by Openmoko, Inc.
 * All rights reserved.
 */

#ifndef __LINUX_MFD_PCF50633_ADC_H
#define __LINUX_MFD_PCF50633_ADC_H

#include <linux/mfd/pcf50633/core.h>
#include <linux/platform_device.h>

/* ADC Registers */
#define PCF50633_REG_ADCC3		0x52
#define PCF50633_REG_ADCC2		0x53
#define PCF50633_REG_ADCC1		0x54
#define PCF50633_REG_ADCS1		0x55
#define PCF50633_REG_ADCS2		0x56
#define PCF50633_REG_ADCS3		0x57

#define PCF50633_ADCC1_ADCSTART		0x01
#define PCF50633_ADCC1_RES_8BIT		0x02
#define PCF50633_ADCC1_RES_10BIT	0x00
#define PCF50633_ADCC1_AVERAGE_NO	0x00
#define PCF50633_ADCC1_AVERAGE_4	0x04
#define PCF50633_ADCC1_AVERAGE_8	0x08
#define PCF50633_ADCC1_AVERAGE_16	0x0c
#define PCF50633_ADCC1_MUX_BATSNS_RES	0x00
#define PCF50633_ADCC1_MUX_BATSNS_SUBTR	0x10
#define PCF50633_ADCC1_MUX_ADCIN2_RES	0x20
#define PCF50633_ADCC1_MUX_ADCIN2_SUBTR	0x30
#define PCF50633_ADCC1_MUX_BATTEMP	0x60
#define PCF50633_ADCC1_MUX_ADCIN1	0x70
#define PCF50633_ADCC1_AVERAGE_MASK	0x0c
#define PCF50633_ADCC1_ADCMUX_MASK	0xf0

#define PCF50633_ADCC2_RATIO_NONE	0x00
#define PCF50633_ADCC2_RATIO_BATTEMP	0x01
#define PCF50633_ADCC2_RATIO_ADCIN1	0x02
#define PCF50633_ADCC2_RATIO_BOTH	0x03
#define PCF50633_ADCC2_RATIOSETTL_100US 0x04

#define PCF50633_ADCC3_ACCSW_EN		0x01
#define PCF50633_ADCC3_NTCSW_EN		0x04
#define PCF50633_ADCC3_RES_DIV_TWO	0x10
#define PCF50633_ADCC3_RES_DIV_THREE	0x00

#define PCF50633_ADCS3_REF_NTCSW	0x00
#define PCF50633_ADCS3_REF_ACCSW	0x10
#define PCF50633_ADCS3_REF_2V0		0x20
#define PCF50633_ADCS3_REF_VISA		0x30
#define PCF50633_ADCS3_REF_2V0_2	0x70
#define PCF50633_ADCS3_ADCRDY		0x80

#define PCF50633_ADCS3_ADCDAT1L_MASK	0x03
#define PCF50633_ADCS3_ADCDAT2L_MASK	0x0c
#define PCF50633_ADCS3_ADCDAT2L_SHIFT	2
#define PCF50633_ASCS3_REF_MASK		0x70

extern int
pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg,
		void (*callback)(struct pcf50633 *, void *, int),
		void *callback_param);
extern int
pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg);

#endif /* __LINUX_PCF50633_ADC_H */
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