219 lines
12 KiB
C
219 lines
12 KiB
C
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/*
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* include/linux/mfd/wm831x/auxadc.h -- Auxiliary ADC interface for WM831x
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*
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* Copyright 2009 Wolfson Microelectronics PLC.
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*
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* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef __MFD_WM831X_AUXADC_H__
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#define __MFD_WM831X_AUXADC_H__
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struct wm831x;
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/*
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* R16429 (0x402D) - AuxADC Data
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*/
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#define WM831X_AUX_DATA_SRC_MASK 0xF000 /* AUX_DATA_SRC - [15:12] */
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#define WM831X_AUX_DATA_SRC_SHIFT 12 /* AUX_DATA_SRC - [15:12] */
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#define WM831X_AUX_DATA_SRC_WIDTH 4 /* AUX_DATA_SRC - [15:12] */
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#define WM831X_AUX_DATA_MASK 0x0FFF /* AUX_DATA - [11:0] */
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#define WM831X_AUX_DATA_SHIFT 0 /* AUX_DATA - [11:0] */
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#define WM831X_AUX_DATA_WIDTH 12 /* AUX_DATA - [11:0] */
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/*
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* R16430 (0x402E) - AuxADC Control
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*/
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#define WM831X_AUX_ENA 0x8000 /* AUX_ENA */
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#define WM831X_AUX_ENA_MASK 0x8000 /* AUX_ENA */
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#define WM831X_AUX_ENA_SHIFT 15 /* AUX_ENA */
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#define WM831X_AUX_ENA_WIDTH 1 /* AUX_ENA */
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#define WM831X_AUX_CVT_ENA 0x4000 /* AUX_CVT_ENA */
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#define WM831X_AUX_CVT_ENA_MASK 0x4000 /* AUX_CVT_ENA */
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#define WM831X_AUX_CVT_ENA_SHIFT 14 /* AUX_CVT_ENA */
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#define WM831X_AUX_CVT_ENA_WIDTH 1 /* AUX_CVT_ENA */
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#define WM831X_AUX_SLPENA 0x1000 /* AUX_SLPENA */
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#define WM831X_AUX_SLPENA_MASK 0x1000 /* AUX_SLPENA */
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#define WM831X_AUX_SLPENA_SHIFT 12 /* AUX_SLPENA */
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#define WM831X_AUX_SLPENA_WIDTH 1 /* AUX_SLPENA */
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#define WM831X_AUX_FRC_ENA 0x0800 /* AUX_FRC_ENA */
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#define WM831X_AUX_FRC_ENA_MASK 0x0800 /* AUX_FRC_ENA */
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#define WM831X_AUX_FRC_ENA_SHIFT 11 /* AUX_FRC_ENA */
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#define WM831X_AUX_FRC_ENA_WIDTH 1 /* AUX_FRC_ENA */
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#define WM831X_AUX_RATE_MASK 0x003F /* AUX_RATE - [5:0] */
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#define WM831X_AUX_RATE_SHIFT 0 /* AUX_RATE - [5:0] */
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#define WM831X_AUX_RATE_WIDTH 6 /* AUX_RATE - [5:0] */
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/*
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* R16431 (0x402F) - AuxADC Source
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*/
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#define WM831X_AUX_CAL_SEL 0x8000 /* AUX_CAL_SEL */
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#define WM831X_AUX_CAL_SEL_MASK 0x8000 /* AUX_CAL_SEL */
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#define WM831X_AUX_CAL_SEL_SHIFT 15 /* AUX_CAL_SEL */
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#define WM831X_AUX_CAL_SEL_WIDTH 1 /* AUX_CAL_SEL */
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#define WM831X_AUX_BKUP_BATT_SEL 0x0400 /* AUX_BKUP_BATT_SEL */
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#define WM831X_AUX_BKUP_BATT_SEL_MASK 0x0400 /* AUX_BKUP_BATT_SEL */
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#define WM831X_AUX_BKUP_BATT_SEL_SHIFT 10 /* AUX_BKUP_BATT_SEL */
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#define WM831X_AUX_BKUP_BATT_SEL_WIDTH 1 /* AUX_BKUP_BATT_SEL */
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#define WM831X_AUX_WALL_SEL 0x0200 /* AUX_WALL_SEL */
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#define WM831X_AUX_WALL_SEL_MASK 0x0200 /* AUX_WALL_SEL */
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#define WM831X_AUX_WALL_SEL_SHIFT 9 /* AUX_WALL_SEL */
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#define WM831X_AUX_WALL_SEL_WIDTH 1 /* AUX_WALL_SEL */
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#define WM831X_AUX_BATT_SEL 0x0100 /* AUX_BATT_SEL */
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#define WM831X_AUX_BATT_SEL_MASK 0x0100 /* AUX_BATT_SEL */
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#define WM831X_AUX_BATT_SEL_SHIFT 8 /* AUX_BATT_SEL */
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#define WM831X_AUX_BATT_SEL_WIDTH 1 /* AUX_BATT_SEL */
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#define WM831X_AUX_USB_SEL 0x0080 /* AUX_USB_SEL */
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#define WM831X_AUX_USB_SEL_MASK 0x0080 /* AUX_USB_SEL */
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#define WM831X_AUX_USB_SEL_SHIFT 7 /* AUX_USB_SEL */
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#define WM831X_AUX_USB_SEL_WIDTH 1 /* AUX_USB_SEL */
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#define WM831X_AUX_SYSVDD_SEL 0x0040 /* AUX_SYSVDD_SEL */
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#define WM831X_AUX_SYSVDD_SEL_MASK 0x0040 /* AUX_SYSVDD_SEL */
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#define WM831X_AUX_SYSVDD_SEL_SHIFT 6 /* AUX_SYSVDD_SEL */
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#define WM831X_AUX_SYSVDD_SEL_WIDTH 1 /* AUX_SYSVDD_SEL */
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#define WM831X_AUX_BATT_TEMP_SEL 0x0020 /* AUX_BATT_TEMP_SEL */
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#define WM831X_AUX_BATT_TEMP_SEL_MASK 0x0020 /* AUX_BATT_TEMP_SEL */
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#define WM831X_AUX_BATT_TEMP_SEL_SHIFT 5 /* AUX_BATT_TEMP_SEL */
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#define WM831X_AUX_BATT_TEMP_SEL_WIDTH 1 /* AUX_BATT_TEMP_SEL */
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#define WM831X_AUX_CHIP_TEMP_SEL 0x0010 /* AUX_CHIP_TEMP_SEL */
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#define WM831X_AUX_CHIP_TEMP_SEL_MASK 0x0010 /* AUX_CHIP_TEMP_SEL */
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#define WM831X_AUX_CHIP_TEMP_SEL_SHIFT 4 /* AUX_CHIP_TEMP_SEL */
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#define WM831X_AUX_CHIP_TEMP_SEL_WIDTH 1 /* AUX_CHIP_TEMP_SEL */
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#define WM831X_AUX_AUX4_SEL 0x0008 /* AUX_AUX4_SEL */
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#define WM831X_AUX_AUX4_SEL_MASK 0x0008 /* AUX_AUX4_SEL */
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#define WM831X_AUX_AUX4_SEL_SHIFT 3 /* AUX_AUX4_SEL */
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#define WM831X_AUX_AUX4_SEL_WIDTH 1 /* AUX_AUX4_SEL */
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#define WM831X_AUX_AUX3_SEL 0x0004 /* AUX_AUX3_SEL */
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#define WM831X_AUX_AUX3_SEL_MASK 0x0004 /* AUX_AUX3_SEL */
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#define WM831X_AUX_AUX3_SEL_SHIFT 2 /* AUX_AUX3_SEL */
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#define WM831X_AUX_AUX3_SEL_WIDTH 1 /* AUX_AUX3_SEL */
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#define WM831X_AUX_AUX2_SEL 0x0002 /* AUX_AUX2_SEL */
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#define WM831X_AUX_AUX2_SEL_MASK 0x0002 /* AUX_AUX2_SEL */
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#define WM831X_AUX_AUX2_SEL_SHIFT 1 /* AUX_AUX2_SEL */
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#define WM831X_AUX_AUX2_SEL_WIDTH 1 /* AUX_AUX2_SEL */
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#define WM831X_AUX_AUX1_SEL 0x0001 /* AUX_AUX1_SEL */
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#define WM831X_AUX_AUX1_SEL_MASK 0x0001 /* AUX_AUX1_SEL */
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#define WM831X_AUX_AUX1_SEL_SHIFT 0 /* AUX_AUX1_SEL */
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#define WM831X_AUX_AUX1_SEL_WIDTH 1 /* AUX_AUX1_SEL */
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/*
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* R16432 (0x4030) - Comparator Control
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*/
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#define WM831X_DCOMP4_STS 0x0800 /* DCOMP4_STS */
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#define WM831X_DCOMP4_STS_MASK 0x0800 /* DCOMP4_STS */
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#define WM831X_DCOMP4_STS_SHIFT 11 /* DCOMP4_STS */
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#define WM831X_DCOMP4_STS_WIDTH 1 /* DCOMP4_STS */
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#define WM831X_DCOMP3_STS 0x0400 /* DCOMP3_STS */
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#define WM831X_DCOMP3_STS_MASK 0x0400 /* DCOMP3_STS */
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#define WM831X_DCOMP3_STS_SHIFT 10 /* DCOMP3_STS */
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#define WM831X_DCOMP3_STS_WIDTH 1 /* DCOMP3_STS */
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#define WM831X_DCOMP2_STS 0x0200 /* DCOMP2_STS */
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#define WM831X_DCOMP2_STS_MASK 0x0200 /* DCOMP2_STS */
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#define WM831X_DCOMP2_STS_SHIFT 9 /* DCOMP2_STS */
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#define WM831X_DCOMP2_STS_WIDTH 1 /* DCOMP2_STS */
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#define WM831X_DCOMP1_STS 0x0100 /* DCOMP1_STS */
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#define WM831X_DCOMP1_STS_MASK 0x0100 /* DCOMP1_STS */
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#define WM831X_DCOMP1_STS_SHIFT 8 /* DCOMP1_STS */
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#define WM831X_DCOMP1_STS_WIDTH 1 /* DCOMP1_STS */
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#define WM831X_DCMP4_ENA 0x0008 /* DCMP4_ENA */
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#define WM831X_DCMP4_ENA_MASK 0x0008 /* DCMP4_ENA */
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#define WM831X_DCMP4_ENA_SHIFT 3 /* DCMP4_ENA */
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#define WM831X_DCMP4_ENA_WIDTH 1 /* DCMP4_ENA */
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#define WM831X_DCMP3_ENA 0x0004 /* DCMP3_ENA */
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#define WM831X_DCMP3_ENA_MASK 0x0004 /* DCMP3_ENA */
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#define WM831X_DCMP3_ENA_SHIFT 2 /* DCMP3_ENA */
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#define WM831X_DCMP3_ENA_WIDTH 1 /* DCMP3_ENA */
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#define WM831X_DCMP2_ENA 0x0002 /* DCMP2_ENA */
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#define WM831X_DCMP2_ENA_MASK 0x0002 /* DCMP2_ENA */
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#define WM831X_DCMP2_ENA_SHIFT 1 /* DCMP2_ENA */
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#define WM831X_DCMP2_ENA_WIDTH 1 /* DCMP2_ENA */
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#define WM831X_DCMP1_ENA 0x0001 /* DCMP1_ENA */
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#define WM831X_DCMP1_ENA_MASK 0x0001 /* DCMP1_ENA */
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#define WM831X_DCMP1_ENA_SHIFT 0 /* DCMP1_ENA */
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#define WM831X_DCMP1_ENA_WIDTH 1 /* DCMP1_ENA */
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/*
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* R16433 (0x4031) - Comparator 1
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*/
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#define WM831X_DCMP1_SRC_MASK 0xE000 /* DCMP1_SRC - [15:13] */
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#define WM831X_DCMP1_SRC_SHIFT 13 /* DCMP1_SRC - [15:13] */
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#define WM831X_DCMP1_SRC_WIDTH 3 /* DCMP1_SRC - [15:13] */
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#define WM831X_DCMP1_GT 0x1000 /* DCMP1_GT */
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#define WM831X_DCMP1_GT_MASK 0x1000 /* DCMP1_GT */
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#define WM831X_DCMP1_GT_SHIFT 12 /* DCMP1_GT */
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#define WM831X_DCMP1_GT_WIDTH 1 /* DCMP1_GT */
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#define WM831X_DCMP1_THR_MASK 0x0FFF /* DCMP1_THR - [11:0] */
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#define WM831X_DCMP1_THR_SHIFT 0 /* DCMP1_THR - [11:0] */
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#define WM831X_DCMP1_THR_WIDTH 12 /* DCMP1_THR - [11:0] */
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/*
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* R16434 (0x4032) - Comparator 2
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*/
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#define WM831X_DCMP2_SRC_MASK 0xE000 /* DCMP2_SRC - [15:13] */
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#define WM831X_DCMP2_SRC_SHIFT 13 /* DCMP2_SRC - [15:13] */
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#define WM831X_DCMP2_SRC_WIDTH 3 /* DCMP2_SRC - [15:13] */
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#define WM831X_DCMP2_GT 0x1000 /* DCMP2_GT */
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#define WM831X_DCMP2_GT_MASK 0x1000 /* DCMP2_GT */
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#define WM831X_DCMP2_GT_SHIFT 12 /* DCMP2_GT */
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#define WM831X_DCMP2_GT_WIDTH 1 /* DCMP2_GT */
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#define WM831X_DCMP2_THR_MASK 0x0FFF /* DCMP2_THR - [11:0] */
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#define WM831X_DCMP2_THR_SHIFT 0 /* DCMP2_THR - [11:0] */
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#define WM831X_DCMP2_THR_WIDTH 12 /* DCMP2_THR - [11:0] */
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/*
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* R16435 (0x4033) - Comparator 3
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*/
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#define WM831X_DCMP3_SRC_MASK 0xE000 /* DCMP3_SRC - [15:13] */
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#define WM831X_DCMP3_SRC_SHIFT 13 /* DCMP3_SRC - [15:13] */
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#define WM831X_DCMP3_SRC_WIDTH 3 /* DCMP3_SRC - [15:13] */
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#define WM831X_DCMP3_GT 0x1000 /* DCMP3_GT */
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#define WM831X_DCMP3_GT_MASK 0x1000 /* DCMP3_GT */
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#define WM831X_DCMP3_GT_SHIFT 12 /* DCMP3_GT */
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#define WM831X_DCMP3_GT_WIDTH 1 /* DCMP3_GT */
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#define WM831X_DCMP3_THR_MASK 0x0FFF /* DCMP3_THR - [11:0] */
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#define WM831X_DCMP3_THR_SHIFT 0 /* DCMP3_THR - [11:0] */
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#define WM831X_DCMP3_THR_WIDTH 12 /* DCMP3_THR - [11:0] */
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/*
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* R16436 (0x4034) - Comparator 4
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*/
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#define WM831X_DCMP4_SRC_MASK 0xE000 /* DCMP4_SRC - [15:13] */
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#define WM831X_DCMP4_SRC_SHIFT 13 /* DCMP4_SRC - [15:13] */
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#define WM831X_DCMP4_SRC_WIDTH 3 /* DCMP4_SRC - [15:13] */
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#define WM831X_DCMP4_GT 0x1000 /* DCMP4_GT */
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#define WM831X_DCMP4_GT_MASK 0x1000 /* DCMP4_GT */
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#define WM831X_DCMP4_GT_SHIFT 12 /* DCMP4_GT */
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#define WM831X_DCMP4_GT_WIDTH 1 /* DCMP4_GT */
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#define WM831X_DCMP4_THR_MASK 0x0FFF /* DCMP4_THR - [11:0] */
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#define WM831X_DCMP4_THR_SHIFT 0 /* DCMP4_THR - [11:0] */
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#define WM831X_DCMP4_THR_WIDTH 12 /* DCMP4_THR - [11:0] */
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#define WM831X_AUX_CAL_FACTOR 0xfff
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#define WM831X_AUX_CAL_NOMINAL 0x222
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enum wm831x_auxadc {
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WM831X_AUX_CAL = 15,
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WM831X_AUX_BKUP_BATT = 10,
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WM831X_AUX_WALL = 9,
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WM831X_AUX_BATT = 8,
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WM831X_AUX_USB = 7,
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WM831X_AUX_SYSVDD = 6,
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WM831X_AUX_BATT_TEMP = 5,
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WM831X_AUX_CHIP_TEMP = 4,
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WM831X_AUX_AUX4 = 3,
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WM831X_AUX_AUX3 = 2,
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WM831X_AUX_AUX2 = 1,
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WM831X_AUX_AUX1 = 0,
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};
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int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input);
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int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input);
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#endif
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