LXR linux/include/linux/mfd/da9052/da9052.h

   1/*
   2 * da9052 declarations for DA9052 PMICs.
   3 *
   4 * Copyright(c) 2011 Dialog Semiconductor Ltd.
   5 *
   6 * Author: David Dajun Chen <dchen@diasemi.com>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 *
  22 */
  23
  24#ifndef __MFD_DA9052_DA9052_H
  25#define __MFD_DA9052_DA9052_H
  26
  27#include <linux/interrupt.h>
  28#include <linux/regmap.h>
  29#include <linux/slab.h>
  30#include <linux/completion.h>
  31#include <linux/list.h>
  32#include <linux/mfd/core.h>
  33
  34#include <linux/mfd/da9052/reg.h>
  35
  36/* Common - HWMON Channel Definations */
  37#define DA9052_ADC_VDDOUT       0
  38#define DA9052_ADC_ICH          1
  39#define DA9052_ADC_TBAT 2
  40#define DA9052_ADC_VBAT 3
  41#define DA9052_ADC_IN4          4
  42#define DA9052_ADC_IN5          5
  43#define DA9052_ADC_IN6          6
  44#define DA9052_ADC_TSI          7
  45#define DA9052_ADC_TJUNC        8
  46#define DA9052_ADC_VBBAT        9
  47
  48/* TSI channel has its own 4 channel mux */
  49#define DA9052_ADC_TSI_XP       70
  50#define DA9052_ADC_TSI_XN       71
  51#define DA9052_ADC_TSI_YP       72
  52#define DA9052_ADC_TSI_YN       73
  53
  54#define DA9052_IRQ_DCIN 0
  55#define DA9052_IRQ_VBUS 1
  56#define DA9052_IRQ_DCINREM      2
  57#define DA9052_IRQ_VBUSREM      3
  58#define DA9052_IRQ_VDDLOW       4
  59#define DA9052_IRQ_ALARM        5
  60#define DA9052_IRQ_SEQRDY       6
  61#define DA9052_IRQ_COMP1V2      7
  62#define DA9052_IRQ_NONKEY       8
  63#define DA9052_IRQ_IDFLOAT      9
  64#define DA9052_IRQ_IDGND        10
  65#define DA9052_IRQ_CHGEND       11
  66#define DA9052_IRQ_TBAT 12
  67#define DA9052_IRQ_ADC_EOM      13
  68#define DA9052_IRQ_PENDOWN      14
  69#define DA9052_IRQ_TSIREADY     15
  70#define DA9052_IRQ_GPI0 16
  71#define DA9052_IRQ_GPI1 17
  72#define DA9052_IRQ_GPI2 18
  73#define DA9052_IRQ_GPI3 19
  74#define DA9052_IRQ_GPI4 20
  75#define DA9052_IRQ_GPI5 21
  76#define DA9052_IRQ_GPI6 22
  77#define DA9052_IRQ_GPI7 23
  78#define DA9052_IRQ_GPI8 24
  79#define DA9052_IRQ_GPI9 25
  80#define DA9052_IRQ_GPI10        26
  81#define DA9052_IRQ_GPI11        27
  82#define DA9052_IRQ_GPI12        28
  83#define DA9052_IRQ_GPI13        29
  84#define DA9052_IRQ_GPI14        30
  85#define DA9052_IRQ_GPI15        31
  86
  87enum da9052_chip_id {
  88        DA9052,
  89        DA9053_AA,
  90        DA9053_BA,
  91        DA9053_BB,
  92        DA9053_BC,
  93};
  94
  95struct da9052_pdata;
  96
  97struct da9052 {
  98        struct device *dev;
  99        struct regmap *regmap;
 100
 101        struct mutex auxadc_lock;
 102        struct completion done;
 103
 104        int irq_base;
 105        struct regmap_irq_chip_data *irq_data;
 106        u8 chip_id;
 107
 108        int chip_irq;
 109
 110        /* SOC I/O transfer related fixes for DA9052/53 */
 111        int (*fix_io) (struct da9052 *da9052, unsigned char reg);
 112};
 113
 114/* ADC API */
 115int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
 116int da9052_adc_read_temp(struct da9052 *da9052);
 117
 118/* Device I/O API */
 119static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
 120{
 121        int val, ret;
 122
 123        ret = regmap_read(da9052->regmap, reg, &val);
 124        if (ret < 0)
 125                return ret;
 126
 127        if (da9052->fix_io) {
 128                ret = da9052->fix_io(da9052, reg);
 129                if (ret < 0)
 130                        return ret;
 131        }
 132
 133        return val;
 134}
 135
 136static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
 137                                    unsigned char val)
 138{
 139        int ret;
 140
 141        ret = regmap_write(da9052->regmap, reg, val);
 142        if (ret < 0)
 143                return ret;
 144
 145        if (da9052->fix_io) {
 146                ret = da9052->fix_io(da9052, reg);
 147                if (ret < 0)
 148                        return ret;
 149        }
 150
 151        return ret;
 152}
 153
 154static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
 155                                     unsigned reg_cnt, unsigned char *val)
 156{
 157        int ret;
 158        unsigned int tmp;
 159        int i;
 160
 161        for (i = 0; i < reg_cnt; i++) {
 162                ret = regmap_read(da9052->regmap, reg + i, &tmp);
 163                val[i] = (unsigned char)tmp;
 164                if (ret < 0)
 165                        return ret;
 166        }
 167
 168        if (da9052->fix_io) {
 169                ret = da9052->fix_io(da9052, reg);
 170                if (ret < 0)
 171                        return ret;
 172        }
 173
 174        return ret;
 175}
 176
 177static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
 178                                      unsigned reg_cnt, unsigned char *val)
 179{
 180        int ret = 0;
 181        int i;
 182
 183        for (i = 0; i < reg_cnt; i++) {
 184                ret = regmap_write(da9052->regmap, reg + i, val[i]);
 185                if (ret < 0)
 186                        return ret;
 187        }
 188
 189        if (da9052->fix_io) {
 190                ret = da9052->fix_io(da9052, reg);
 191                if (ret < 0)
 192                        return ret;
 193        }
 194
 195        return ret;
 196}
 197
 198static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
 199                                     unsigned char bit_mask,
 200                                     unsigned char reg_val)
 201{
 202        int ret;
 203
 204        ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
 205        if (ret < 0)
 206                return ret;
 207
 208        if (da9052->fix_io) {
 209                ret = da9052->fix_io(da9052, reg);
 210                if (ret < 0)
 211                        return ret;
 212        }
 213
 214        return ret;
 215}
 216
 217int da9052_device_init(struct da9052 *da9052, u8 chip_id);
 218void da9052_device_exit(struct da9052 *da9052);
 219
 220extern const struct regmap_config da9052_regmap_config;
 221
 222int da9052_irq_init(struct da9052 *da9052);
 223int da9052_irq_exit(struct da9052 *da9052);
 224int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
 225                           irq_handler_t handler, void *data);
 226void da9052_free_irq(struct da9052 *da9052, int irq, void *data);
 227
 228int da9052_enable_irq(struct da9052 *da9052, int irq);
 229int da9052_disable_irq(struct da9052 *da9052, int irq);
 230int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);
 231
 232#endif /* __MFD_DA9052_DA9052_H */
 233