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core.h
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1 /*
2  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 and
6  * only version 2 as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  */
13 /*
14  * Qualcomm PMIC 8xxx driver header file
15  *
16  */
17 
18 #ifndef __MFD_PM8XXX_CORE_H
19 #define __MFD_PM8XXX_CORE_H
20 
21 #include <linux/mfd/core.h>
22 
24  int (*pmic_readb) (const struct device *dev, u16 addr, u8 *val);
25  int (*pmic_writeb) (const struct device *dev, u16 addr, u8 val);
26  int (*pmic_read_buf) (const struct device *dev, u16 addr, u8 *buf,
27  int n);
28  int (*pmic_write_buf) (const struct device *dev, u16 addr, u8 *buf,
29  int n);
30  int (*pmic_read_irq_stat) (const struct device *dev, int irq);
31  void *pm_chip_data;
32 };
33 
34 static inline int pm8xxx_readb(const struct device *dev, u16 addr, u8 *val)
35 {
36  struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
37 
38  if (!dd)
39  return -EINVAL;
40  return dd->pmic_readb(dev, addr, val);
41 }
42 
43 static inline int pm8xxx_writeb(const struct device *dev, u16 addr, u8 val)
44 {
45  struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
46 
47  if (!dd)
48  return -EINVAL;
49  return dd->pmic_writeb(dev, addr, val);
50 }
51 
52 static inline int pm8xxx_read_buf(const struct device *dev, u16 addr, u8 *buf,
53  int n)
54 {
55  struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
56 
57  if (!dd)
58  return -EINVAL;
59  return dd->pmic_read_buf(dev, addr, buf, n);
60 }
61 
62 static inline int pm8xxx_write_buf(const struct device *dev, u16 addr, u8 *buf,
63  int n)
64 {
65  struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
66 
67  if (!dd)
68  return -EINVAL;
69  return dd->pmic_write_buf(dev, addr, buf, n);
70 }
71 
72 static inline int pm8xxx_read_irq_stat(const struct device *dev, int irq)
73 {
74  struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
75 
76  if (!dd)
77  return -EINVAL;
78  return dd->pmic_read_irq_stat(dev, irq);
79 }
80 
81 #endif