1/* 2 * include/linux/mfd/wm831x/auxadc.h -- Auxiliary ADC interface for WM831x 3 * 4 * Copyright 2009 Wolfson Microelectronics PLC. 5 * 6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 * 13 */ 14 15#ifndef __MFD_WM831X_AUXADC_H__ 16#define __MFD_WM831X_AUXADC_H__ 17 18struct wm831x; 19 20/* 21 * R16429 (0x402D) - AuxADC Data 22 */ 23#define WM831X_AUX_DATA_SRC_MASK 0xF000 /* AUX_DATA_SRC - [15:12] */ 24#define WM831X_AUX_DATA_SRC_SHIFT 12 /* AUX_DATA_SRC - [15:12] */ 25#define WM831X_AUX_DATA_SRC_WIDTH 4 /* AUX_DATA_SRC - [15:12] */ 26#define WM831X_AUX_DATA_MASK 0x0FFF /* AUX_DATA - [11:0] */ 27#define WM831X_AUX_DATA_SHIFT 0 /* AUX_DATA - [11:0] */ 28#define WM831X_AUX_DATA_WIDTH 12 /* AUX_DATA - [11:0] */ 29 30/* 31 * R16430 (0x402E) - AuxADC Control 32 */ 33#define WM831X_AUX_ENA 0x8000 /* AUX_ENA */ 34#define WM831X_AUX_ENA_MASK 0x8000 /* AUX_ENA */ 35#define WM831X_AUX_ENA_SHIFT 15 /* AUX_ENA */ 36#define WM831X_AUX_ENA_WIDTH 1 /* AUX_ENA */ 37#define WM831X_AUX_CVT_ENA 0x4000 /* AUX_CVT_ENA */ 38#define WM831X_AUX_CVT_ENA_MASK 0x4000 /* AUX_CVT_ENA */ 39#define WM831X_AUX_CVT_ENA_SHIFT 14 /* AUX_CVT_ENA */ 40#define WM831X_AUX_CVT_ENA_WIDTH 1 /* AUX_CVT_ENA */ 41#define WM831X_AUX_SLPENA 0x1000 /* AUX_SLPENA */ 42#define WM831X_AUX_SLPENA_MASK 0x1000 /* AUX_SLPENA */ 43#define WM831X_AUX_SLPENA_SHIFT 12 /* AUX_SLPENA */ 44#define WM831X_AUX_SLPENA_WIDTH 1 /* AUX_SLPENA */ 45#define WM831X_AUX_FRC_ENA 0x0800 /* AUX_FRC_ENA */ 46#define WM831X_AUX_FRC_ENA_MASK 0x0800 /* AUX_FRC_ENA */ 47#define WM831X_AUX_FRC_ENA_SHIFT 11 /* AUX_FRC_ENA */ 48#define WM831X_AUX_FRC_ENA_WIDTH 1 /* AUX_FRC_ENA */ 49#define WM831X_AUX_RATE_MASK 0x003F /* AUX_RATE - [5:0] */ 50#define WM831X_AUX_RATE_SHIFT 0 /* AUX_RATE - [5:0] */ 51#define WM831X_AUX_RATE_WIDTH 6 /* AUX_RATE - [5:0] */ 52 53/* 54 * R16431 (0x402F) - AuxADC Source 55 */ 56#define WM831X_AUX_CAL_SEL 0x8000 /* AUX_CAL_SEL */ 57#define WM831X_AUX_CAL_SEL_MASK 0x8000 /* AUX_CAL_SEL */ 58#define WM831X_AUX_CAL_SEL_SHIFT 15 /* AUX_CAL_SEL */ 59#define WM831X_AUX_CAL_SEL_WIDTH 1 /* AUX_CAL_SEL */ 60#define WM831X_AUX_BKUP_BATT_SEL 0x0400 /* AUX_BKUP_BATT_SEL */ 61#define WM831X_AUX_BKUP_BATT_SEL_MASK 0x0400 /* AUX_BKUP_BATT_SEL */ 62#define WM831X_AUX_BKUP_BATT_SEL_SHIFT 10 /* AUX_BKUP_BATT_SEL */ 63#define WM831X_AUX_BKUP_BATT_SEL_WIDTH 1 /* AUX_BKUP_BATT_SEL */ 64#define WM831X_AUX_WALL_SEL 0x0200 /* AUX_WALL_SEL */ 65#define WM831X_AUX_WALL_SEL_MASK 0x0200 /* AUX_WALL_SEL */ 66#define WM831X_AUX_WALL_SEL_SHIFT 9 /* AUX_WALL_SEL */ 67#define WM831X_AUX_WALL_SEL_WIDTH 1 /* AUX_WALL_SEL */ 68#define WM831X_AUX_BATT_SEL 0x0100 /* AUX_BATT_SEL */ 69#define WM831X_AUX_BATT_SEL_MASK 0x0100 /* AUX_BATT_SEL */ 70#define WM831X_AUX_BATT_SEL_SHIFT 8 /* AUX_BATT_SEL */ 71#define WM831X_AUX_BATT_SEL_WIDTH 1 /* AUX_BATT_SEL */ 72#define WM831X_AUX_USB_SEL 0x0080 /* AUX_USB_SEL */ 73#define WM831X_AUX_USB_SEL_MASK 0x0080 /* AUX_USB_SEL */ 74#define WM831X_AUX_USB_SEL_SHIFT 7 /* AUX_USB_SEL */ 75#define WM831X_AUX_USB_SEL_WIDTH 1 /* AUX_USB_SEL */ 76#define WM831X_AUX_SYSVDD_SEL 0x0040 /* AUX_SYSVDD_SEL */ 77#define WM831X_AUX_SYSVDD_SEL_MASK 0x0040 /* AUX_SYSVDD_SEL */ 78#define WM831X_AUX_SYSVDD_SEL_SHIFT 6 /* AUX_SYSVDD_SEL */ 79#define WM831X_AUX_SYSVDD_SEL_WIDTH 1 /* AUX_SYSVDD_SEL */ 80#define WM831X_AUX_BATT_TEMP_SEL 0x0020 /* AUX_BATT_TEMP_SEL */ 81#define WM831X_AUX_BATT_TEMP_SEL_MASK 0x0020 /* AUX_BATT_TEMP_SEL */ 82#define WM831X_AUX_BATT_TEMP_SEL_SHIFT 5 /* AUX_BATT_TEMP_SEL */ 83#define WM831X_AUX_BATT_TEMP_SEL_WIDTH 1 /* AUX_BATT_TEMP_SEL */ 84#define WM831X_AUX_CHIP_TEMP_SEL 0x0010 /* AUX_CHIP_TEMP_SEL */ 85#define WM831X_AUX_CHIP_TEMP_SEL_MASK 0x0010 /* AUX_CHIP_TEMP_SEL */ 86#define WM831X_AUX_CHIP_TEMP_SEL_SHIFT 4 /* AUX_CHIP_TEMP_SEL */ 87#define WM831X_AUX_CHIP_TEMP_SEL_WIDTH 1 /* AUX_CHIP_TEMP_SEL */ 88#define WM831X_AUX_AUX4_SEL 0x0008 /* AUX_AUX4_SEL */ 89#define WM831X_AUX_AUX4_SEL_MASK 0x0008 /* AUX_AUX4_SEL */ 90#define WM831X_AUX_AUX4_SEL_SHIFT 3 /* AUX_AUX4_SEL */ 91#define WM831X_AUX_AUX4_SEL_WIDTH 1 /* AUX_AUX4_SEL */ 92#define WM831X_AUX_AUX3_SEL 0x0004 /* AUX_AUX3_SEL */ 93#define WM831X_AUX_AUX3_SEL_MASK 0x0004 /* AUX_AUX3_SEL */ 94#define WM831X_AUX_AUX3_SEL_SHIFT 2 /* AUX_AUX3_SEL */ 95#define WM831X_AUX_AUX3_SEL_WIDTH 1 /* AUX_AUX3_SEL */ 96#define WM831X_AUX_AUX2_SEL 0x0002 /* AUX_AUX2_SEL */ 97#define WM831X_AUX_AUX2_SEL_MASK 0x0002 /* AUX_AUX2_SEL */ 98#define WM831X_AUX_AUX2_SEL_SHIFT 1 /* AUX_AUX2_SEL */ 99#define WM831X_AUX_AUX2_SEL_WIDTH 1 /* AUX_AUX2_SEL */ 100#define WM831X_AUX_AUX1_SEL 0x0001 /* AUX_AUX1_SEL */ 101#define WM831X_AUX_AUX1_SEL_MASK 0x0001 /* AUX_AUX1_SEL */ 102#define WM831X_AUX_AUX1_SEL_SHIFT 0 /* AUX_AUX1_SEL */ 103#define WM831X_AUX_AUX1_SEL_WIDTH 1 /* AUX_AUX1_SEL */ 104 105/* 106 * R16432 (0x4030) - Comparator Control 107 */ 108#define WM831X_DCOMP4_STS 0x0800 /* DCOMP4_STS */ 109#define WM831X_DCOMP4_STS_MASK 0x0800 /* DCOMP4_STS */ 110#define WM831X_DCOMP4_STS_SHIFT 11 /* DCOMP4_STS */ 111#define WM831X_DCOMP4_STS_WIDTH 1 /* DCOMP4_STS */ 112#define WM831X_DCOMP3_STS 0x0400 /* DCOMP3_STS */ 113#define WM831X_DCOMP3_STS_MASK 0x0400 /* DCOMP3_STS */ 114#define WM831X_DCOMP3_STS_SHIFT 10 /* DCOMP3_STS */ 115#define WM831X_DCOMP3_STS_WIDTH 1 /* DCOMP3_STS */ 116#define WM831X_DCOMP2_STS 0x0200 /* DCOMP2_STS */ 117#define WM831X_DCOMP2_STS_MASK 0x0200 /* DCOMP2_STS */ 118#define WM831X_DCOMP2_STS_SHIFT 9 /* DCOMP2_STS */ 119#define WM831X_DCOMP2_STS_WIDTH 1 /* DCOMP2_STS */ 120#define WM831X_DCOMP1_STS 0x0100 /* DCOMP1_STS */ 121#define WM831X_DCOMP1_STS_MASK 0x0100 /* DCOMP1_STS */ 122#define WM831X_DCOMP1_STS_SHIFT 8 /* DCOMP1_STS */ 123#define WM831X_DCOMP1_STS_WIDTH 1 /* DCOMP1_STS */ 124#define WM831X_DCMP4_ENA 0x0008 /* DCMP4_ENA */ 125#define WM831X_DCMP4_ENA_MASK 0x0008 /* DCMP4_ENA */ 126#define WM831X_DCMP4_ENA_SHIFT 3 /* DCMP4_ENA */ 127#define WM831X_DCMP4_ENA_WIDTH 1 /* DCMP4_ENA */ 128#define WM831X_DCMP3_ENA 0x0004 /* DCMP3_ENA */ 129#define WM831X_DCMP3_ENA_MASK 0x0004 /* DCMP3_ENA */ 130#define WM831X_DCMP3_ENA_SHIFT 2 /* DCMP3_ENA */ 131#define WM831X_DCMP3_ENA_WIDTH 1 /* DCMP3_ENA */ 132#define WM831X_DCMP2_ENA 0x0002 /* DCMP2_ENA */ 133#define WM831X_DCMP2_ENA_MASK 0x0002 /* DCMP2_ENA */ 134#define WM831X_DCMP2_ENA_SHIFT 1 /* DCMP2_ENA */ 135#define WM831X_DCMP2_ENA_WIDTH 1 /* DCMP2_ENA */ 136#define WM831X_DCMP1_ENA 0x0001 /* DCMP1_ENA */ 137#define WM831X_DCMP1_ENA_MASK 0x0001 /* DCMP1_ENA */ 138#define WM831X_DCMP1_ENA_SHIFT 0 /* DCMP1_ENA */ 139#define WM831X_DCMP1_ENA_WIDTH 1 /* DCMP1_ENA */ 140 141/* 142 * R16433 (0x4031) - Comparator 1 143 */ 144#define WM831X_DCMP1_SRC_MASK 0xE000 /* DCMP1_SRC - [15:13] */ 145#define WM831X_DCMP1_SRC_SHIFT 13 /* DCMP1_SRC - [15:13] */ 146#define WM831X_DCMP1_SRC_WIDTH 3 /* DCMP1_SRC - [15:13] */ 147#define WM831X_DCMP1_GT 0x1000 /* DCMP1_GT */ 148#define WM831X_DCMP1_GT_MASK 0x1000 /* DCMP1_GT */ 149#define WM831X_DCMP1_GT_SHIFT 12 /* DCMP1_GT */ 150#define WM831X_DCMP1_GT_WIDTH 1 /* DCMP1_GT */ 151#define WM831X_DCMP1_THR_MASK 0x0FFF /* DCMP1_THR - [11:0] */ 152#define WM831X_DCMP1_THR_SHIFT 0 /* DCMP1_THR - [11:0] */ 153#define WM831X_DCMP1_THR_WIDTH 12 /* DCMP1_THR - [11:0] */ 154 155/* 156 * R16434 (0x4032) - Comparator 2 157 */ 158#define WM831X_DCMP2_SRC_MASK 0xE000 /* DCMP2_SRC - [15:13] */ 159#define WM831X_DCMP2_SRC_SHIFT 13 /* DCMP2_SRC - [15:13] */ 160#define WM831X_DCMP2_SRC_WIDTH 3 /* DCMP2_SRC - [15:13] */ 161#define WM831X_DCMP2_GT 0x1000 /* DCMP2_GT */ 162#define WM831X_DCMP2_GT_MASK 0x1000 /* DCMP2_GT */ 163#define WM831X_DCMP2_GT_SHIFT 12 /* DCMP2_GT */ 164#define WM831X_DCMP2_GT_WIDTH 1 /* DCMP2_GT */ 165#define WM831X_DCMP2_THR_MASK 0x0FFF /* DCMP2_THR - [11:0] */ 166#define WM831X_DCMP2_THR_SHIFT 0 /* DCMP2_THR - [11:0] */ 167#define WM831X_DCMP2_THR_WIDTH 12 /* DCMP2_THR - [11:0] */ 168 169/* 170 * R16435 (0x4033) - Comparator 3 171 */ 172#define WM831X_DCMP3_SRC_MASK 0xE000 /* DCMP3_SRC - [15:13] */ 173#define WM831X_DCMP3_SRC_SHIFT 13 /* DCMP3_SRC - [15:13] */ 174#define WM831X_DCMP3_SRC_WIDTH 3 /* DCMP3_SRC - [15:13] */ 175#define WM831X_DCMP3_GT 0x1000 /* DCMP3_GT */ 176#define WM831X_DCMP3_GT_MASK 0x1000 /* DCMP3_GT */ 177#define WM831X_DCMP3_GT_SHIFT 12 /* DCMP3_GT */ 178#define WM831X_DCMP3_GT_WIDTH 1 /* DCMP3_GT */ 179#define WM831X_DCMP3_THR_MASK 0x0FFF /* DCMP3_THR - [11:0] */ 180#define WM831X_DCMP3_THR_SHIFT 0 /* DCMP3_THR - [11:0] */ 181#define WM831X_DCMP3_THR_WIDTH 12 /* DCMP3_THR - [11:0] */ 182 183/* 184 * R16436 (0x4034) - Comparator 4 185 */ 186#define WM831X_DCMP4_SRC_MASK 0xE000 /* DCMP4_SRC - [15:13] */ 187#define WM831X_DCMP4_SRC_SHIFT 13 /* DCMP4_SRC - [15:13] */ 188#define WM831X_DCMP4_SRC_WIDTH 3 /* DCMP4_SRC - [15:13] */ 189#define WM831X_DCMP4_GT 0x1000 /* DCMP4_GT */ 190#define WM831X_DCMP4_GT_MASK 0x1000 /* DCMP4_GT */ 191#define WM831X_DCMP4_GT_SHIFT 12 /* DCMP4_GT */ 192#define WM831X_DCMP4_GT_WIDTH 1 /* DCMP4_GT */ 193#define WM831X_DCMP4_THR_MASK 0x0FFF /* DCMP4_THR - [11:0] */ 194#define WM831X_DCMP4_THR_SHIFT 0 /* DCMP4_THR - [11:0] */ 195#define WM831X_DCMP4_THR_WIDTH 12 /* DCMP4_THR - [11:0] */ 196 197#define WM831X_AUX_CAL_FACTOR 0xfff 198#define WM831X_AUX_CAL_NOMINAL 0x222 199 200enum wm831x_auxadc { 201 WM831X_AUX_CAL = 15, 202 WM831X_AUX_BKUP_BATT = 10, 203 WM831X_AUX_WALL = 9, 204 WM831X_AUX_BATT = 8, 205 WM831X_AUX_USB = 7, 206 WM831X_AUX_SYSVDD = 6, 207 WM831X_AUX_BATT_TEMP = 5, 208 WM831X_AUX_CHIP_TEMP = 4, 209 WM831X_AUX_AUX4 = 3, 210 WM831X_AUX_AUX3 = 2, 211 WM831X_AUX_AUX2 = 1, 212 WM831X_AUX_AUX1 = 0, 213}; 214 215int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input); 216int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input); 217 218#endif 219