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/* * adc.h -- Driver for NXP PCF50633 ADC * * (C) 2006-2008 by Openmoko, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #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 */