mfd/da9052/da9052.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * da9052 declarations for DA9052 PMICs.
0004  *
0005  * Copyright(c) 2011 Dialog Semiconductor Ltd.
0006  *
0007  * Author: David Dajun Chen <dchen@diasemi.com>
0008  */
0009
0010 #ifndef __MFD_DA9052_DA9052_H
0011 #define __MFD_DA9052_DA9052_H
0012
0013 #include <linux/interrupt.h>
0014 #include <linux/regmap.h>
0015 #include <linux/slab.h>
0016 #include <linux/completion.h>
0017 #include <linux/list.h>
0018 #include <linux/mfd/core.h>
0019
0020 #include <linux/mfd/da9052/reg.h>
0021
0022 /* Common - HWMON Channel Definations */
0023 #define DA9052_ADC_VDDOUT   0
0024 #define DA9052_ADC_ICH      1
0025 #define DA9052_ADC_TBAT 2
0026 #define DA9052_ADC_VBAT 3
0027 #define DA9052_ADC_IN4      4
0028 #define DA9052_ADC_IN5      5
0029 #define DA9052_ADC_IN6      6
0030 #define DA9052_ADC_TSI      7
0031 #define DA9052_ADC_TJUNC    8
0032 #define DA9052_ADC_VBBAT    9
0033
0034 /* TSI channel has its own 4 channel mux */
0035 #define DA9052_ADC_TSI_XP   70
0036 #define DA9052_ADC_TSI_XN   71
0037 #define DA9052_ADC_TSI_YP   72
0038 #define DA9052_ADC_TSI_YN   73
0039
0040 #define DA9052_IRQ_DCIN 0
0041 #define DA9052_IRQ_VBUS 1
0042 #define DA9052_IRQ_DCINREM  2
0043 #define DA9052_IRQ_VBUSREM  3
0044 #define DA9052_IRQ_VDDLOW   4
0045 #define DA9052_IRQ_ALARM    5
0046 #define DA9052_IRQ_SEQRDY   6
0047 #define DA9052_IRQ_COMP1V2  7
0048 #define DA9052_IRQ_NONKEY   8
0049 #define DA9052_IRQ_IDFLOAT  9
0050 #define DA9052_IRQ_IDGND    10
0051 #define DA9052_IRQ_CHGEND   11
0052 #define DA9052_IRQ_TBAT 12
0053 #define DA9052_IRQ_ADC_EOM  13
0054 #define DA9052_IRQ_PENDOWN  14
0055 #define DA9052_IRQ_TSIREADY 15
0056 #define DA9052_IRQ_GPI0 16
0057 #define DA9052_IRQ_GPI1 17
0058 #define DA9052_IRQ_GPI2 18
0059 #define DA9052_IRQ_GPI3 19
0060 #define DA9052_IRQ_GPI4 20
0061 #define DA9052_IRQ_GPI5 21
0062 #define DA9052_IRQ_GPI6 22
0063 #define DA9052_IRQ_GPI7 23
0064 #define DA9052_IRQ_GPI8 24
0065 #define DA9052_IRQ_GPI9 25
0066 #define DA9052_IRQ_GPI10    26
0067 #define DA9052_IRQ_GPI11    27
0068 #define DA9052_IRQ_GPI12    28
0069 #define DA9052_IRQ_GPI13    29
0070 #define DA9052_IRQ_GPI14    30
0071 #define DA9052_IRQ_GPI15    31
0072
0073 enum da9052_chip_id {
0074     DA9052,
0075     DA9053_AA,
0076     DA9053_BA,
0077     DA9053_BB,
0078     DA9053_BC,
0079 };
0080
0081 struct da9052_pdata;
0082
0083 struct da9052 {
0084     struct device *dev;
0085     struct regmap *regmap;
0086
0087     struct mutex auxadc_lock;
0088     struct completion done;
0089
0090     int irq_base;
0091     struct regmap_irq_chip_data *irq_data;
0092     u8 chip_id;
0093
0094     int chip_irq;
0095
0096     /* SOC I/O transfer related fixes for DA9052/53 */
0097     int (*fix_io) (struct da9052 *da9052, unsigned char reg);
0098 };
0099
0100 /* ADC API */
0101 int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
0102 int da9052_adc_read_temp(struct da9052 *da9052);
0103
0104 /* Device I/O API */
0105 static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
0106 {
0107     int val, ret;
0108
0109     ret = regmap_read(da9052->regmap, reg, &val);
0110     if (ret < 0)
0111         return ret;
0112
0113     if (da9052->fix_io) {
0114         ret = da9052->fix_io(da9052, reg);
0115         if (ret < 0)
0116             return ret;
0117     }
0118
0119     return val;
0120 }
0121
0122 static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
0123                     unsigned char val)
0124 {
0125     int ret;
0126
0127     ret = regmap_write(da9052->regmap, reg, val);
0128     if (ret < 0)
0129         return ret;
0130
0131     if (da9052->fix_io) {
0132         ret = da9052->fix_io(da9052, reg);
0133         if (ret < 0)
0134             return ret;
0135     }
0136
0137     return ret;
0138 }
0139
0140 static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
0141                      unsigned reg_cnt, unsigned char *val)
0142 {
0143     int ret;
0144     unsigned int tmp;
0145     int i;
0146
0147     for (i = 0; i < reg_cnt; i++) {
0148         ret = regmap_read(da9052->regmap, reg + i, &tmp);
0149         val[i] = (unsigned char)tmp;
0150         if (ret < 0)
0151             return ret;
0152     }
0153
0154     if (da9052->fix_io) {
0155         ret = da9052->fix_io(da9052, reg);
0156         if (ret < 0)
0157             return ret;
0158     }
0159
0160     return ret;
0161 }
0162
0163 static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
0164                       unsigned reg_cnt, unsigned char *val)
0165 {
0166     int ret = 0;
0167     int i;
0168
0169     for (i = 0; i < reg_cnt; i++) {
0170         ret = regmap_write(da9052->regmap, reg + i, val[i]);
0171         if (ret < 0)
0172             return ret;
0173     }
0174
0175     if (da9052->fix_io) {
0176         ret = da9052->fix_io(da9052, reg);
0177         if (ret < 0)
0178             return ret;
0179     }
0180
0181     return ret;
0182 }
0183
0184 static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
0185                      unsigned char bit_mask,
0186                      unsigned char reg_val)
0187 {
0188     int ret;
0189
0190     ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
0191     if (ret < 0)
0192         return ret;
0193
0194     if (da9052->fix_io) {
0195         ret = da9052->fix_io(da9052, reg);
0196         if (ret < 0)
0197             return ret;
0198     }
0199
0200     return ret;
0201 }
0202
0203 int da9052_device_init(struct da9052 *da9052, u8 chip_id);
0204 void da9052_device_exit(struct da9052 *da9052);
0205
0206 extern const struct regmap_config da9052_regmap_config;
0207
0208 int da9052_irq_init(struct da9052 *da9052);
0209 int da9052_irq_exit(struct da9052 *da9052);
0210 int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
0211                irq_handler_t handler, void *data);
0212 void da9052_free_irq(struct da9052 *da9052, int irq, void *data);
0213
0214 int da9052_enable_irq(struct da9052 *da9052, int irq);
0215 int da9052_disable_irq(struct da9052 *da9052, int irq);
0216 int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);
0217
0218 #endif /* __MFD_DA9052_DA9052_H */