[deliverable/linux.git] / arch / arm / mach-pxa / clock.h

struct clk;

struct clkops {
	void			(*enable)(struct clk *);
	void			(*disable)(struct clk *);
	unsigned long		(*getrate)(struct clk *);
};

struct clk {
	struct list_head	node;
	const char		*name;
	struct device		*dev;
	const struct clkops	*ops;
	unsigned long		rate;
	unsigned int		cken;
	unsigned int		delay;
	unsigned int		enabled;
	struct clk		*other;
};

#define INIT_CKEN(_name, _cken, _rate, _delay, _dev)	\
	{						\
		.name	= _name,			\
		.dev	= _dev,				\
		.ops	= &clk_cken_ops,		\
		.rate	= _rate,			\
		.cken	= CKEN_##_cken,			\
		.delay	= _delay,			\
	}

#define INIT_CK(_name, _cken, _ops, _dev)		\
	{						\
		.name	= _name,			\
		.dev	= _dev,				\
		.ops	= _ops,				\
		.cken	= CKEN_##_cken,			\
	}

/*
 * This is a placeholder to alias one clock device+name pair
 * to another struct clk.
 */
#define INIT_CKOTHER(_name, _other, _dev)		\
	{						\
		.name	= _name,			\
		.dev	= _dev,				\
		.other	= _other,			\
	}

extern const struct clkops clk_cken_ops;

void clk_cken_enable(struct clk *clk);
void clk_cken_disable(struct clk *clk);

#ifdef CONFIG_PXA3xx
#define PXA3xx_CKEN(_name, _cken, _rate, _delay, _dev)	\
	{						\
		.name	= _name,			\
		.dev	= _dev,				\
		.ops	= &clk_pxa3xx_cken_ops,		\
		.rate	= _rate,			\
		.cken	= CKEN_##_cken,			\
		.delay	= _delay,			\
	}

#define PXA3xx_CK(_name, _cken, _ops, _dev)		\
	{						\
		.name	= _name,			\
		.dev	= _dev,				\
		.ops	= _ops,				\
		.cken	= CKEN_##_cken,			\
	}

extern const struct clkops clk_pxa3xx_cken_ops;
extern void clk_pxa3xx_cken_enable(struct clk *);
extern void clk_pxa3xx_cken_disable(struct clk *);
#endif

void clks_register(struct clk *clks, size_t num);
Commit	Line	Data
a6dba20c RK	1	struct clk;
	2
	3	struct clkops {
	4	void (enable)(struct clk );
	5	void (disable)(struct clk );
	6	unsigned long (getrate)(struct clk );
	7	};
	8
	9	struct clk {
	10	struct list_head node;
	11	const char *name;
	12	struct device *dev;
	13	const struct clkops *ops;
	14	unsigned long rate;
	15	unsigned int cken;
	16	unsigned int delay;
	17	unsigned int enabled;
bdb08cb2	18	struct clk *other;
a6dba20c RK	19	};
	20
	21	#define INIT_CKEN(_name, _cken, _rate, _delay, _dev) \
	22	{ \
	23	.name = _name, \
	24	.dev = _dev, \
	25	.ops = &clk_cken_ops, \
	26	.rate = _rate, \
	27	.cken = CKEN_##_cken, \
	28	.delay = _delay, \
	29	}
	30
	31	#define INIT_CK(_name, _cken, _ops, _dev) \
	32	{ \
	33	.name = _name, \
	34	.dev = _dev, \
	35	.ops = _ops, \
	36	.cken = CKEN_##_cken, \
	37	}
	38
bdb08cb2 RK	39	/*
	40	* This is a placeholder to alias one clock device+name pair
	41	* to another struct clk.
	42	*/
	43	#define INIT_CKOTHER(_name, _other, _dev) \
	44	{ \
	45	.name = _name, \
	46	.dev = _dev, \
	47	.other = _other, \
	48	}
	49
a6dba20c RK	50	extern const struct clkops clk_cken_ops;
	51
	52	void clk_cken_enable(struct clk *clk);
	53	void clk_cken_disable(struct clk *clk);
	54
7a2c5cb0	55	#ifdef CONFIG_PXA3xx
	56	#define PXA3xx_CKEN(_name, _cken, _rate, _delay, _dev) \
	57	{ \
	58	.name = _name, \
	59	.dev = _dev, \
	60	.ops = &clk_pxa3xx_cken_ops, \
	61	.rate = _rate, \
	62	.cken = CKEN_##_cken, \
	63	.delay = _delay, \
	64	}
	65
	66	#define PXA3xx_CK(_name, _cken, _ops, _dev) \
	67	{ \
	68	.name = _name, \
	69	.dev = _dev, \
	70	.ops = _ops, \
	71	.cken = CKEN_##_cken, \
	72	}
	73
	74	extern const struct clkops clk_pxa3xx_cken_ops;
	75	extern void clk_pxa3xx_cken_enable(struct clk *);
	76	extern void clk_pxa3xx_cken_disable(struct clk *);
	77	#endif
	78
a6dba20c	79	void clks_register(struct clk *clks, size_t num);