| /* | |
| * 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 */ |