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/************************************************************************ 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 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*/ |