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
  81 enum da9052_chip_id {
  82         DA9052,
  83         DA9053_AA,
  84         DA9053_BA,
  85         DA9053_BB,
  86         DA9053_BC,
  87 };
  88
  89 struct da9052_pdata;
  90
  91 struct 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 */
 109 int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
 110 int da9052_adc_read_temp(struct da9052 *da9052);
 111
 112 /* Device I/O API */
 113 static 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
 130 static 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
 148 static 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
 171 static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
 172                                       unsigned reg_cnt, unsigned char *val)
 173 {
 174         int ret;
 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
 192 static 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
 211 int da9052_device_init(struct da9052 *da9052, u8 chip_id);
 212 void da9052_device_exit(struct da9052 *da9052);
 213
 214 extern const struct regmap_config da9052_regmap_config;
 215
 216 int da9052_irq_init(struct da9052 *da9052);
 217 int da9052_irq_exit(struct da9052 *da9052);
 218 int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
 219                            irq_handler_t handler, void *data);
 220 void da9052_free_irq(struct da9052 *da9052, int irq, void *data);
 221
 222 int da9052_enable_irq(struct da9052 *da9052, int irq);
 223 int da9052_disable_irq(struct da9052 *da9052, int irq);
 224 int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);
 225
 226 #endif /* __MFD_DA9052_DA9052_H */