Release 4.8 drivers/clk/sunxi-ng/ccu_mux.h

#ifndef _CCU_MUX_H_

#define _CCU_MUX_H_

#include <linux/clk-provider.h>

#include "ccu_common.h"


struct ccu_mux_internal {
	
u8	shift;
	
u8	width;

	struct {
		
u8	index;
		
u8	div;
	} 
fixed_prediv;

	struct {
		
u8	index;
		
u8	shift;
		
u8	width;
	} 
variable_prediv;
};


#define SUNXI_CLK_MUX(_shift, _width)	\
	{                                       \
                .shift  = _shift,               \
                .width  = _width,               \
        }


struct ccu_mux {
	
u16			reg;
	
u32			enable;

	
struct ccu_mux_internal	mux;
	
struct ccu_common	common;
};


#define SUNXI_CCU_MUX(_struct, _name, _parents, _reg, _shift, _width, _flags) \
	struct ccu_mux _struct = {                                      \
                .mux    = SUNXI_CLK_MUX(_shift, _width),                \
                .common = {                                             \
                        .reg            = _reg,                         \
                        .hw.init        = CLK_HW_INIT_PARENTS(_name,    \
                                                              _parents, \
                                                              &ccu_mux_ops, \
                                                              _flags),  \
                }                                                       \
        }


#define SUNXI_CCU_MUX_WITH_GATE(_struct, _name, _parents, _reg,               \
				_shift, _width, _gate, _flags)		\
	struct ccu_mux _struct = {                                      \
                .enable = _gate,                                        \
                .mux    = SUNXI_CLK_MUX(_shift, _width),                \
                .common = {                                             \
                        .reg            = _reg,                         \
                        .hw.init        = CLK_HW_INIT_PARENTS(_name,    \
                                                              _parents, \
                                                              &ccu_mux_ops, \
                                                              _flags),  \
                }                                                       \
        }



static inline struct ccu_mux *hw_to_ccu_mux(struct clk_hw *hw)
{
	struct ccu_common *common = hw_to_ccu_common(hw);

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

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extern const struct clk_ops ccu_mux_ops;

void ccu_mux_helper_adjust_parent_for_prediv(struct ccu_common *common,
					     struct ccu_mux_internal *cm,
					     int parent_index,
					     unsigned long *parent_rate);
int ccu_mux_helper_determine_rate(struct ccu_common *common,
				  struct ccu_mux_internal *cm,
				  struct clk_rate_request *req,
				  unsigned long (*round)(struct ccu_mux_internal *,
							 unsigned long,
							 unsigned long,
							 void *),
				  void *data);
u8 ccu_mux_helper_get_parent(struct ccu_common *common,
			     struct ccu_mux_internal *cm);
int ccu_mux_helper_set_parent(struct ccu_common *common,
			      struct ccu_mux_internal *cm,
			      u8 index);

#endif /* _CCU_MUX_H_ */
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Directory: drivers/clk/sunxi-ng

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