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#define DA9052_IRQ_DCIN 0
  49#define DA9052_IRQ_VBUS 1
  50#define DA9052_IRQ_DCINREM      2
  51#define DA9052_IRQ_VBUSREM      3
  52#define DA9052_IRQ_VDDLOW       4
  53#define DA9052_IRQ_ALARM        5
  54#define DA9052_IRQ_SEQRDY       6
  55#define DA9052_IRQ_COMP1V2      7
  56#define DA9052_IRQ_NONKEY       8
  57#define DA9052_IRQ_IDFLOAT      9
  58#define DA9052_IRQ_IDGND        10
  59#define DA9052_IRQ_CHGEND       11
  60#define DA9052_IRQ_TBAT 12
  61#define DA9052_IRQ_ADC_EOM      13
  62#define DA9052_IRQ_PENDOWN      14
  63#define DA9052_IRQ_TSIREADY     15
  64#define DA9052_IRQ_GPI0 16
  65#define DA9052_IRQ_GPI1 17
  66#define DA9052_IRQ_GPI2 18
  67#define DA9052_IRQ_GPI3 19
  68#define DA9052_IRQ_GPI4 20
  69#define DA9052_IRQ_GPI5 21
  70#define DA9052_IRQ_GPI6 22
  71#define DA9052_IRQ_GPI7 23
  72#define DA9052_IRQ_GPI8 24
  73#define DA9052_IRQ_GPI9 25
  74#define DA9052_IRQ_GPI10        26
  75#define DA9052_IRQ_GPI11        27
  76#define DA9052_IRQ_GPI12        28
  77#define DA9052_IRQ_GPI13        29
  78#define DA9052_IRQ_GPI14        30
  79#define DA9052_IRQ_GPI15        31
  80
  81enum da9052_chip_id {
  82        DA9052,
  83        DA9053_AA,
  84        DA9053_BA,
  85        DA9053_BB,
  86        DA9053_BC,
  87};
  88
  89struct da9052_pdata;
  90
  91struct da9052 {
  92        struct device *dev;
  93        struct regmap *regmap;
  94
  95        struct mutex auxadc_lock;
  96        struct completion done;
  97
  98        int irq_base;
  99        struct regmap_irq_chip_data *irq_data;
 100        u8 chip_id;
 101
 102        int chip_irq;
 103
 104        /* SOC I/O transfer related fixes for DA9052/53 */
 105        int (*fix_io) (struct da9052 *da9052, unsigned char reg);
 106};
 107
 108/* ADC API */
 109int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
 110int da9052_adc_read_temp(struct da9052 *da9052);
 111
 112/* Device I/O API */
 113static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
 114{
 115        int val, ret;
 116
 117        ret = regmap_read(da9052->regmap, reg, &val);
 118        if (ret < 0)
 119                return ret;
 120
 121        if (da9052->fix_io) {
 122                ret = da9052->fix_io(da9052, reg);
 123                if (ret < 0)
 124                        return ret;
 125        }
 126
 127        return val;
 128}
 129
 130static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
 131                                    unsigned char val)
 132{
 133        int ret;
 134
 135        ret = regmap_write(da9052->regmap, reg, val);
 136        if (ret < 0)
 137                return ret;
 138
 139        if (da9052->fix_io) {
 140                ret = da9052->fix_io(da9052, reg);
 141                if (ret < 0)
 142                        return ret;
 143        }
 144
 145        return ret;
 146}
 147
 148static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
 149                                     unsigned reg_cnt, unsigned char *val)
 150{
 151        int ret;
 152        unsigned int tmp;
 153        int i;
 154
 155        for (i = 0; i < reg_cnt; i++) {
 156                ret = regmap_read(da9052->regmap, reg + i, &tmp);
 157                val[i] = (unsigned char)tmp;
 158                if (ret < 0)
 159                        return ret;
 160        }
 161
 162        if (da9052->fix_io) {
 163                ret = da9052->fix_io(da9052, reg);
 164                if (ret < 0)
 165                        return ret;
 166        }
 167
 168        return ret;
 169}
 170
 171static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
 172                                      unsigned reg_cnt, unsigned char *val)
 173{
 174        int ret = 0;
 175        int i;
 176
 177        for (i = 0; i < reg_cnt; i++) {
 178                ret = regmap_write(da9052->regmap, reg + i, val[i]);
 179                if (ret < 0)
 180                        return ret;
 181        }
 182
 183        if (da9052->fix_io) {
 184                ret = da9052->fix_io(da9052, reg);
 185                if (ret < 0)
 186                        return ret;
 187        }
 188
 189        return ret;
 190}
 191
 192static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
 193                                     unsigned char bit_mask,
 194                                     unsigned char reg_val)
 195{
 196        int ret;
 197
 198        ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
 199        if (ret < 0)
 200                return ret;
 201
 202        if (da9052->fix_io) {
 203                ret = da9052->fix_io(da9052, reg);
 204                if (ret < 0)
 205                        return ret;
 206        }
 207
 208        return ret;
 209}
 210
 211int da9052_device_init(struct da9052 *da9052, u8 chip_id);
 212void da9052_device_exit(struct da9052 *da9052);
 213
 214extern const struct regmap_config da9052_regmap_config;
 215
 216int da9052_irq_init(struct da9052 *da9052);
 217int da9052_irq_exit(struct da9052 *da9052);
 218int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
 219                           irq_handler_t handler, void *data);
 220void da9052_free_irq(struct da9052 *da9052, int irq, void *data);
 221
 222int da9052_enable_irq(struct da9052 *da9052, int irq);
 223int da9052_disable_irq(struct da9052 *da9052, int irq);
 224int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);
 225
 226#endif /* __MFD_DA9052_DA9052_H */
 227