adc.h (2146B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * adc.h -- Driver for NXP PCF50633 ADC 4 * 5 * (C) 2006-2008 by Openmoko, Inc. 6 * All rights reserved. 7 */ 8 9#ifndef __LINUX_MFD_PCF50633_ADC_H 10#define __LINUX_MFD_PCF50633_ADC_H 11 12#include <linux/mfd/pcf50633/core.h> 13#include <linux/platform_device.h> 14 15/* ADC Registers */ 16#define PCF50633_REG_ADCC3 0x52 17#define PCF50633_REG_ADCC2 0x53 18#define PCF50633_REG_ADCC1 0x54 19#define PCF50633_REG_ADCS1 0x55 20#define PCF50633_REG_ADCS2 0x56 21#define PCF50633_REG_ADCS3 0x57 22 23#define PCF50633_ADCC1_ADCSTART 0x01 24#define PCF50633_ADCC1_RES_8BIT 0x02 25#define PCF50633_ADCC1_RES_10BIT 0x00 26#define PCF50633_ADCC1_AVERAGE_NO 0x00 27#define PCF50633_ADCC1_AVERAGE_4 0x04 28#define PCF50633_ADCC1_AVERAGE_8 0x08 29#define PCF50633_ADCC1_AVERAGE_16 0x0c 30#define PCF50633_ADCC1_MUX_BATSNS_RES 0x00 31#define PCF50633_ADCC1_MUX_BATSNS_SUBTR 0x10 32#define PCF50633_ADCC1_MUX_ADCIN2_RES 0x20 33#define PCF50633_ADCC1_MUX_ADCIN2_SUBTR 0x30 34#define PCF50633_ADCC1_MUX_BATTEMP 0x60 35#define PCF50633_ADCC1_MUX_ADCIN1 0x70 36#define PCF50633_ADCC1_AVERAGE_MASK 0x0c 37#define PCF50633_ADCC1_ADCMUX_MASK 0xf0 38 39#define PCF50633_ADCC2_RATIO_NONE 0x00 40#define PCF50633_ADCC2_RATIO_BATTEMP 0x01 41#define PCF50633_ADCC2_RATIO_ADCIN1 0x02 42#define PCF50633_ADCC2_RATIO_BOTH 0x03 43#define PCF50633_ADCC2_RATIOSETTL_100US 0x04 44 45#define PCF50633_ADCC3_ACCSW_EN 0x01 46#define PCF50633_ADCC3_NTCSW_EN 0x04 47#define PCF50633_ADCC3_RES_DIV_TWO 0x10 48#define PCF50633_ADCC3_RES_DIV_THREE 0x00 49 50#define PCF50633_ADCS3_REF_NTCSW 0x00 51#define PCF50633_ADCS3_REF_ACCSW 0x10 52#define PCF50633_ADCS3_REF_2V0 0x20 53#define PCF50633_ADCS3_REF_VISA 0x30 54#define PCF50633_ADCS3_REF_2V0_2 0x70 55#define PCF50633_ADCS3_ADCRDY 0x80 56 57#define PCF50633_ADCS3_ADCDAT1L_MASK 0x03 58#define PCF50633_ADCS3_ADCDAT2L_MASK 0x0c 59#define PCF50633_ADCS3_ADCDAT2L_SHIFT 2 60#define PCF50633_ASCS3_REF_MASK 0x70 61 62extern int 63pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg, 64 void (*callback)(struct pcf50633 *, void *, int), 65 void *callback_param); 66extern int 67pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg); 68 69#endif /* __LINUX_PCF50633_ADC_H */