drivers/clk/sprd/composite.h

Source file repositories/reference/linux-study-clean/drivers/clk/sprd/composite.h

File Facts

System
Linux kernel
Corpus path
drivers/clk/sprd/composite.h
Extension
.h
Size
2768 bytes
Lines
87
Domain
Driver Families
Bucket
drivers/clk
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct sprd_comp {
	struct sprd_mux_ssel	mux;
	struct sprd_div_internal	div;
	struct sprd_clk_common	common;
};

#define SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, _doffset, _dshift,	\
				 _dwidth, _flags, _fn)			\
	struct sprd_comp _struct = {					\
		.mux	= _SPRD_MUX_CLK(_mshift, _mwidth, _table),	\
		.div	= _SPRD_DIV_CLK(_doffset, _dshift, _dwidth),	\
		.common = {						\
			.regmap		= NULL,				\
			.reg		= _reg,				\
			.hw.init = _fn(_name, _parent,			\
				       &sprd_comp_ops, _flags),		\
		}							\
	}

#define SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, _table,	\
			    _mshift, _mwidth, _dshift, _dwidth, _flags)	\
	SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, 0x0, _dshift,	\
				 _dwidth, _flags, CLK_HW_INIT_PARENTS)

#define SPRD_COMP_CLK(_struct, _name, _parent, _reg, _mshift,		\
		      _mwidth, _dshift, _dwidth, _flags)		\
	SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, NULL,	\
			    _mshift, _mwidth, _dshift, _dwidth, _flags)

#define SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, _dshift,		\
				 _dwidth, _flags)			\
	SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, 0x0, _dshift,	\
				 _dwidth, _flags,			\
				 CLK_HW_INIT_PARENTS_DATA)

#define SPRD_COMP_CLK_DATA(_struct, _name, _parent, _reg, _mshift,	\
			   _mwidth, _dshift, _dwidth, _flags)		\
	SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, NULL,	\
				 _mshift, _mwidth, _dshift, _dwidth,	\
				 _flags)

#define SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg,	\
					_table, _mshift, _mwidth,	\
					_doffset, _dshift, _dwidth,	\
					_flags)				\
	SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, _doffset, _dshift,	\
				 _dwidth, _flags,			\
				 CLK_HW_INIT_PARENTS_DATA)

#define SPRD_COMP_CLK_DATA_OFFSET(_struct, _name, _parent, _reg,	\
				  _mshift, _mwidth, _doffset, _dshift,	\
				  _dwidth, _flags)			\
	SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg,	\
					NULL, _mshift, _mwidth,		\
					_doffset, _dshift, _dwidth,	\
					_flags)

static inline struct sprd_comp *hw_to_sprd_comp(const struct clk_hw *hw)
{
	struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);

	return container_of(common, struct sprd_comp, common);
}

extern const struct clk_ops sprd_comp_ops;

#endif /* _SPRD_COMPOSITE_H_ */

Annotation

Implementation Notes