linux-sg2042/drivers/clk/sunxi-ng/ccu_mult.h

70 lines
1.6 KiB
C

#ifndef _CCU_MULT_H_
#define _CCU_MULT_H_
#include "ccu_common.h"
#include "ccu_frac.h"
#include "ccu_mux.h"
struct ccu_mult_internal {
u8 offset;
u8 shift;
u8 width;
u8 min;
u8 max;
};
#define _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, _min, _max) \
{ \
.min = _min, \
.max = _max, \
.offset = _offset, \
.shift = _shift, \
.width = _width, \
}
#define _SUNXI_CCU_MULT_MIN(_shift, _width, _min) \
_SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, _min, 0)
#define _SUNXI_CCU_MULT_OFFSET(_shift, _width, _offset) \
_SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, 1, 0)
#define _SUNXI_CCU_MULT(_shift, _width) \
_SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, 1, 0)
struct ccu_mult {
u32 enable;
u32 lock;
struct ccu_frac_internal frac;
struct ccu_mult_internal mult;
struct ccu_mux_internal mux;
struct ccu_common common;
};
#define SUNXI_CCU_N_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
_mshift, _mwidth, _gate, _lock, \
_flags) \
struct ccu_mult _struct = { \
.enable = _gate, \
.lock = _lock, \
.mult = _SUNXI_CCU_MULT(_mshift, _mwidth), \
.common = { \
.reg = _reg, \
.hw.init = CLK_HW_INIT(_name, \
_parent, \
&ccu_mult_ops, \
_flags), \
}, \
}
static inline struct ccu_mult *hw_to_ccu_mult(struct clk_hw *hw)
{
struct ccu_common *common = hw_to_ccu_common(hw);
return container_of(common, struct ccu_mult, common);
}
extern const struct clk_ops ccu_mult_ops;
#endif /* _CCU_MULT_H_ */