Linux kernel mirror (for testing)
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linux
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
23struct pm8xxx_drvdata {
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
34static 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
43static 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
52static 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
62static 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
72static 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