[linux-2.6-block.git] / drivers / clk / sunxi / clk-factors.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_SUNXI_CLK_FACTORS_H
#define __MACH_SUNXI_CLK_FACTORS_H

#include <linux/clk-provider.h>
#include <linux/spinlock.h>

#define SUNXI_FACTORS_NOT_APPLICABLE	(0)

struct clk_factors_config {
	u8 nshift;
	u8 nwidth;
	u8 kshift;
	u8 kwidth;
	u8 mshift;
	u8 mwidth;
	u8 pshift;
	u8 pwidth;
	u8 n_start;
};

struct factors_request {
	unsigned long rate;
	unsigned long parent_rate;
	u8 parent_index;
	u8 n;
	u8 k;
	u8 m;
	u8 p;
};

struct factors_data {
	int enable;
	int mux;
	int muxmask;
	const struct clk_factors_config *table;
	void (*getter)(struct factors_request *req);
	void (*recalc)(struct factors_request *req);
	const char *name;
};

struct clk_factors {
	struct clk_hw hw;
	void __iomem *reg;
	const struct clk_factors_config *config;
	void (*get_factors)(struct factors_request *req);
	void (*recalc)(struct factors_request *req);
	spinlock_t *lock;
	/* for cleanup */
	struct clk_mux *mux;
	struct clk_gate *gate;
};

struct clk *sunxi_factors_register(struct device_node *node,
				   const struct factors_data *data,
				   spinlock_t *lock,
				   void __iomem *reg);
struct clk *sunxi_factors_register_critical(struct device_node *node,
					    const struct factors_data *data,
					    spinlock_t *lock,
					    void __iomem *reg);

void sunxi_factors_unregister(struct device_node *node, struct clk *clk);

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
e874a669 EL	2	#ifndef __MACH_SUNXI_CLK_FACTORS_H
	3	#define __MACH_SUNXI_CLK_FACTORS_H
	4
	5	#include <linux/clk-provider.h>
601da9d0	6	#include <linux/spinlock.h>
e874a669 EL	7
	8	#define SUNXI_FACTORS_NOT_APPLICABLE (0)
	9
	10	struct clk_factors_config {
	11	u8 nshift;
	12	u8 nwidth;
	13	u8 kshift;
	14	u8 kwidth;
	15	u8 mshift;
	16	u8 mwidth;
	17	u8 pshift;
	18	u8 pwidth;
9a5e6c7e	19	u8 n_start;
e874a669 EL	20	};
e874a669 EL	21
cfa63688 CYT	22	struct factors_request {
	23	unsigned long rate;
	24	unsigned long parent_rate;
435b7be1	25	u8 parent_index;
cfa63688 CYT	26	u8 n;
	27	u8 k;
	28	u8 m;
	29	u8 p;
	30	};
	31
601da9d0 MR	32	struct factors_data {
	33	int enable;
	34	int mux;
e94f8cb3	35	int muxmask;
b3e919e0	36	const struct clk_factors_config *table;
cfa63688	37	void (getter)(struct factors_request req);
435b7be1	38	void (recalc)(struct factors_request req);
601da9d0 MR	39	const char *name;
	40	};
	41
40a5dcba EL	42	struct clk_factors {
	43	struct clk_hw hw;
	44	void __iomem *reg;
b3e919e0	45	const struct clk_factors_config *config;
cfa63688	46	void (get_factors)(struct factors_request req);
435b7be1	47	void (recalc)(struct factors_request req);
40a5dcba	48	spinlock_t *lock;
4cbeaebb CYT	49	/* for cleanup */
	50	struct clk_mux *mux;
	51	struct clk_gate *gate;
40a5dcba EL	52	};
40a5dcba EL	53
7c74c220 HG	54	struct clk sunxi_factors_register(struct device_node node,
	55	const struct factors_data *data,
	56	spinlock_t *lock,
	57	void __iomem *reg);
9919d44f SB	58	struct clk sunxi_factors_register_critical(struct device_node node,
	59	const struct factors_data *data,
	60	spinlock_t *lock,
	61	void __iomem *reg);
601da9d0	62
4cbeaebb CYT	63	void sunxi_factors_unregister(struct device_node node, struct clk clk);
4cbeaebb CYT	64
e874a669	65	#endif