| /* |
| * 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 */ |
