1/************************************************************************
2File  : Clock H/w specific Information
3
4Author: Pankaj Dev <pankaj.dev@st.com>
5
6Copyright (C) 2014 STMicroelectronics
7************************************************************************/
8
9#ifndef __CLKGEN_INFO_H
10#define __CLKGEN_INFO_H
11
12struct clkgen_field {
13	unsigned int offset;
14	unsigned int mask;
15	unsigned int shift;
16};
17
18static inline unsigned long clkgen_read(void __iomem	*base,
19					  struct clkgen_field *field)
20{
21	return (readl(base + field->offset) >> field->shift) & field->mask;
22}
23
24
25static inline void clkgen_write(void __iomem *base, struct clkgen_field *field,
26				  unsigned long val)
27{
28	writel((readl(base + field->offset) &
29	       ~(field->mask << field->shift)) | (val << field->shift),
30	       base + field->offset);
31
32	return;
33}
34
35#define CLKGEN_FIELD(_offset, _mask, _shift) {		\
36				.offset	= _offset,	\
37				.mask	= _mask,	\
38				.shift	= _shift,	\
39				}
40
41#define CLKGEN_READ(pll, field) clkgen_read(pll->regs_base, \
42		&pll->data->field)
43
44#define CLKGEN_WRITE(pll, field, val) clkgen_write(pll->regs_base, \
45		&pll->data->field, val)
46
47#endif /*__CLKGEN_INFO_H*/
48
49