/* SPDX-License-Identifier: GPL-2.0 */
/************************************************************************
File  : Clock H/w specific Information

Author: Pankaj Dev <pankaj.dev@st.com>

Copyright (C) 2014 STMicroelectronics
************************************************************************/

#ifndef __CLKGEN_INFO_H
#define __CLKGEN_INFO_H

extern spinlock_t clkgen_a9_lock;

struct clkgen_field {
        unsigned int offset;
        unsigned int mask;
        unsigned int shift;
};

static inline unsigned long clkgen_read(void __iomem    *base,
                                          struct clkgen_field *field)
{
        return (readl(base + field->offset) >> field->shift) & field->mask;
}


static inline void clkgen_write(void __iomem *base, struct clkgen_field *field,
                                  unsigned long val)
{
        writel((readl(base + field->offset) &
               ~(field->mask << field->shift)) | (val << field->shift),
               base + field->offset);

        return;
}

#define CLKGEN_FIELD(_offset, _mask, _shift) {          \
                                .offset = _offset,      \
                                .mask   = _mask,        \
                                .shift  = _shift,       \
                                }

#define CLKGEN_READ(pll, field) clkgen_read(pll->regs_base, \
                &pll->data->field)

#define CLKGEN_WRITE(pll, field, val) clkgen_write(pll->regs_base, \
                &pll->data->field, val)

#endif /*__CLKGEN_INFO_H*/