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

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/************************************************************************
 3File  : Clock H/w specific Information
 4
 5Author: Pankaj Dev <pankaj.dev@st.com>
 6
 7Copyright (C) 2014 STMicroelectronics
 8************************************************************************/
 9
10#ifndef __CLKGEN_INFO_H
11#define __CLKGEN_INFO_H
12
13extern spinlock_t clkgen_a9_lock;
14
15struct clkgen_field {
16	unsigned int offset;
17	unsigned int mask;
18	unsigned int shift;
19};
20
21static inline unsigned long clkgen_read(void __iomem	*base,
22					  struct clkgen_field *field)
23{
24	return (readl(base + field->offset) >> field->shift) & field->mask;
25}
26
27
28static inline void clkgen_write(void __iomem *base, struct clkgen_field *field,
29				  unsigned long val)
30{
31	writel((readl(base + field->offset) &
32	       ~(field->mask << field->shift)) | (val << field->shift),
33	       base + field->offset);
34
35	return;
36}
37
38#define CLKGEN_FIELD(_offset, _mask, _shift) {		\
39				.offset	= _offset,	\
40				.mask	= _mask,	\
41				.shift	= _shift,	\
42				}
43
44#define CLKGEN_READ(pll, field) clkgen_read(pll->regs_base, \
45		&pll->data->field)
46
47#define CLKGEN_WRITE(pll, field, val) clkgen_write(pll->regs_base, \
48		&pll->data->field, val)
49
50#endif /*__CLKGEN_INFO_H*/
51