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core.h
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1 /*
2  * da9055 declarations for DA9055 PMICs.
3  *
4  * Copyright(c) 2012 Dialog Semiconductor Ltd.
5  *
6  * Author: David Dajun Chen <[email protected]>
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 __DA9055_CORE_H
25 #define __DA9055_CORE_H
26 
27 #include <linux/interrupt.h>
28 #include <linux/regmap.h>
29 
30 /*
31  * PMIC IRQ
32  */
33 #define DA9055_IRQ_ALARM 0x01
34 #define DA9055_IRQ_TICK 0x02
35 #define DA9055_IRQ_NONKEY 0x00
36 #define DA9055_IRQ_REGULATOR 0x0B
37 #define DA9055_IRQ_HWMON 0x03
38 
39 struct da9055_pdata;
40 
41 struct da9055 {
42  struct regmap *regmap;
44  struct device *dev;
46 
47  int irq_base;
48  int chip_irq;
49 };
50 
51 /* Device I/O */
52 static inline int da9055_reg_read(struct da9055 *da9055, unsigned char reg)
53 {
54  int val, ret;
55 
56  ret = regmap_read(da9055->regmap, reg, &val);
57  if (ret < 0)
58  return ret;
59 
60  return val;
61 }
62 
63 static inline int da9055_reg_write(struct da9055 *da9055, unsigned char reg,
64  unsigned char val)
65 {
66  return regmap_write(da9055->regmap, reg, val);
67 }
68 
69 static inline int da9055_group_read(struct da9055 *da9055, unsigned char reg,
70  unsigned reg_cnt, unsigned char *val)
71 {
72  return regmap_bulk_read(da9055->regmap, reg, val, reg_cnt);
73 }
74 
75 static inline int da9055_group_write(struct da9055 *da9055, unsigned char reg,
76  unsigned reg_cnt, unsigned char *val)
77 {
78  return regmap_raw_write(da9055->regmap, reg, val, reg_cnt);
79 }
80 
81 static inline int da9055_reg_update(struct da9055 *da9055, unsigned char reg,
82  unsigned char bit_mask,
83  unsigned char reg_val)
84 {
85  return regmap_update_bits(da9055->regmap, reg, bit_mask, reg_val);
86 }
87 
88 /* Generic Device API */
89 int da9055_device_init(struct da9055 *da9055);
90 void da9055_device_exit(struct da9055 *da9055);
91 
92 extern struct regmap_config da9055_regmap_config;
93 
94 #endif /* __DA9055_CORE_H */