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
  87 enum da9052_chip_id {
  88         DA9052,
  89         DA9053_AA,
  90         DA9053_BA,
  91         DA9053_BB,
  92         DA9053_BC,
  93 };
  94
  95 struct da9052_pdata;
  96
  97 struct 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 */
 115 int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
 116 int da9052_adc_read_temp(struct da9052 *da9052);
 117
 118 /* Device I/O API */
 119 static 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
 136 static 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
 154 static 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
 177 static 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
 198 static 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
 217 int da9052_device_init(struct da9052 *da9052, u8 chip_id);
 218 void da9052_device_exit(struct da9052 *da9052);
 219
 220 extern const struct regmap_config da9052_regmap_config;
 221
 222 int da9052_irq_init(struct da9052 *da9052);
 223 int da9052_irq_exit(struct da9052 *da9052);
 224 int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
 225                            irq_handler_t handler, void *data);
 226 void da9052_free_irq(struct da9052 *da9052, int irq, void *data);
 227
 228 int da9052_enable_irq(struct da9052 *da9052, int irq);
 229 int da9052_disable_irq(struct da9052 *da9052, int irq);
 230 int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);
 231
 232 #endif /* __MFD_DA9052_DA9052_H */