[linux-block.git] / include / linux / pm_opp.h

/*
 * Generic OPP Interface
 *
 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
 *	Nishanth Menon
 *	Romit Dasgupta
 *	Kevin Hilman
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __LINUX_OPP_H__
#define __LINUX_OPP_H__

#include <linux/err.h>
#include <linux/notifier.h>

struct clk;
struct regulator;
struct dev_pm_opp;
struct device;
struct opp_table;

enum dev_pm_opp_event {
	OPP_EVENT_ADD, OPP_EVENT_REMOVE, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
};

/**
 * struct dev_pm_opp_supply - Power supply voltage/current values
 * @u_volt:	Target voltage in microvolts corresponding to this OPP
 * @u_volt_min:	Minimum voltage in microvolts corresponding to this OPP
 * @u_volt_max:	Maximum voltage in microvolts corresponding to this OPP
 * @u_amp:	Maximum current drawn by the device in microamperes
 *
 * This structure stores the voltage/current values for a single power supply.
 */
struct dev_pm_opp_supply {
	unsigned long u_volt;
	unsigned long u_volt_min;
	unsigned long u_volt_max;
	unsigned long u_amp;
};

/**
 * struct dev_pm_opp_info - OPP freq/voltage/current values
 * @rate:	Target clk rate in hz
 * @supplies:	Array of voltage/current values for all power supplies
 *
 * This structure stores the freq/voltage/current values for a single OPP.
 */
struct dev_pm_opp_info {
	unsigned long rate;
	struct dev_pm_opp_supply *supplies;
};

/**
 * struct dev_pm_set_opp_data - Set OPP data
 * @old_opp:	Old OPP info
 * @new_opp:	New OPP info
 * @regulators:	Array of regulator pointers
 * @regulator_count: Number of regulators
 * @clk:	Pointer to clk
 * @dev:	Pointer to the struct device
 *
 * This structure contains all information required for setting an OPP.
 */
struct dev_pm_set_opp_data {
	struct dev_pm_opp_info old_opp;
	struct dev_pm_opp_info new_opp;

	struct regulator **regulators;
	unsigned int regulator_count;
	struct clk *clk;
	struct device *dev;
};

#if defined(CONFIG_PM_OPP)

struct opp_table *dev_pm_opp_get_opp_table(struct device *dev);
struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index);
void dev_pm_opp_put_opp_table(struct opp_table *opp_table);

unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp);

unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp);

unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp);

bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);

int dev_pm_opp_get_opp_count(struct device *dev);
unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev);
unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev);
unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev);

struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
					      unsigned long freq,
					      bool available);

struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
					      unsigned long *freq);

struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
					     unsigned long *freq);
void dev_pm_opp_put(struct dev_pm_opp *opp);

int dev_pm_opp_add(struct device *dev, unsigned long freq,
		   unsigned long u_volt);
void dev_pm_opp_remove(struct device *dev, unsigned long freq);
void dev_pm_opp_remove_all_dynamic(struct device *dev);

int dev_pm_opp_enable(struct device *dev, unsigned long freq);

int dev_pm_opp_disable(struct device *dev, unsigned long freq);

int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb);
int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb);

struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count);
void dev_pm_opp_put_supported_hw(struct opp_table *opp_table);
struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name);
void dev_pm_opp_put_prop_name(struct opp_table *opp_table);
struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count);
void dev_pm_opp_put_regulators(struct opp_table *opp_table);
struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name);
void dev_pm_opp_put_clkname(struct opp_table *opp_table);
struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table);
struct opp_table *dev_pm_opp_set_genpd_virt_dev(struct device *dev, struct device *virt_dev, int index);
void dev_pm_opp_put_genpd_virt_dev(struct opp_table *opp_table, struct device *virt_dev);
int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate);
int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask);
int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
void dev_pm_opp_remove_table(struct device *dev);
void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask);
#else
static inline struct opp_table *dev_pm_opp_get_opp_table(struct device *dev)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline void dev_pm_opp_put_opp_table(struct opp_table *opp_table) {}

static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp)
{
	return 0;
}

static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
{
	return 0;
}

static inline unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp)
{
	return 0;
}

static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
{
	return false;
}

static inline int dev_pm_opp_get_opp_count(struct device *dev)
{
	return 0;
}

static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
{
	return 0;
}

static inline unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev)
{
	return 0;
}

static inline unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev)
{
	return 0;
}

static inline unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev)
{
	return 0;
}

static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
					unsigned long freq, bool available)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
					unsigned long *freq)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
					unsigned long *freq)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {}

static inline int dev_pm_opp_add(struct device *dev, unsigned long freq,
					unsigned long u_volt)
{
	return -ENOTSUPP;
}

static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq)
{
}

static inline void dev_pm_opp_remove_all_dynamic(struct device *dev)
{
}

static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq)
{
	return 0;
}

static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq)
{
	return 0;
}

static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb)
{
	return -ENOTSUPP;
}

static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb)
{
	return -ENOTSUPP;
}

static inline struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev,
							    const u32 *versions,
							    unsigned int count)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {}

static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev,
			int (*set_opp)(struct dev_pm_set_opp_data *data))
{
	return ERR_PTR(-ENOTSUPP);
}

static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {}

static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline void dev_pm_opp_put_prop_name(struct opp_table *opp_table) {}

static inline struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {}

static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline void dev_pm_opp_put_clkname(struct opp_table *opp_table) {}

static inline struct opp_table *dev_pm_opp_set_genpd_virt_dev(struct device *dev, struct device *virt_dev, int index)
{
	return ERR_PTR(-ENOTSUPP);
}

static inline void dev_pm_opp_put_genpd_virt_dev(struct opp_table *opp_table, struct device *virt_dev) {}

static inline int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate)
{
	return -ENOTSUPP;
}

static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
{
	return -ENOTSUPP;
}

static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask)
{
	return -ENOTSUPP;
}

static inline int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
{
	return -EINVAL;
}

static inline void dev_pm_opp_remove_table(struct device *dev)
{
}

static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask)
{
}

#endif		/* CONFIG_PM_OPP */

#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
int dev_pm_opp_of_add_table(struct device *dev);
int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
void dev_pm_opp_of_remove_table(struct device *dev);
int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev);
struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp);
int of_get_required_opp_performance_state(struct device_node *np, int index);
void dev_pm_opp_of_register_em(struct cpumask *cpus);
#else
static inline int dev_pm_opp_of_add_table(struct device *dev)
{
	return -ENOTSUPP;
}

static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
{
	return -ENOTSUPP;
}

static inline void dev_pm_opp_of_remove_table(struct device *dev)
{
}

static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
{
	return -ENOTSUPP;
}

static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
{
}

static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
{
	return -ENOTSUPP;
}

static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
{
	return NULL;
}

static inline struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp)
{
	return NULL;
}

static inline void dev_pm_opp_of_register_em(struct cpumask *cpus)
{
}

static inline int of_get_required_opp_performance_state(struct device_node *np, int index)
{
	return -ENOTSUPP;
}
#endif

#endif		/* __LINUX_OPP_H__ */
Commit	Line	Data
e1f60b29 NM	1	/*
	2	* Generic OPP Interface
	3	*
	4	* Copyright (C) 2009-2010 Texas Instruments Incorporated.
	5	* Nishanth Menon
	6	* Romit Dasgupta
	7	* Kevin Hilman
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 as
	11	* published by the Free Software Foundation.
	12	*/
	13
	14	#ifndef __LINUX_OPP_H__
	15	#define __LINUX_OPP_H__
	16
	17	#include <linux/err.h>
03ca370f	18	#include <linux/notifier.h>
e1f60b29	19
94735585 VK	20	struct clk;
94735585 VK	21	struct regulator;
47d43ba7	22	struct dev_pm_opp;
313162d0	23	struct device;
91291d9a	24	struct opp_table;
e1f60b29	25
47d43ba7	26	enum dev_pm_opp_event {
129eec55	27	OPP_EVENT_ADD, OPP_EVENT_REMOVE, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
03ca370f MH	28	};
03ca370f MH	29
0f0fe7e0 VK	30	/**
	31	* struct dev_pm_opp_supply - Power supply voltage/current values
	32	* @u_volt: Target voltage in microvolts corresponding to this OPP
	33	* @u_volt_min: Minimum voltage in microvolts corresponding to this OPP
	34	* @u_volt_max: Maximum voltage in microvolts corresponding to this OPP
	35	* @u_amp: Maximum current drawn by the device in microamperes
	36	*
	37	* This structure stores the voltage/current values for a single power supply.
	38	*/
	39	struct dev_pm_opp_supply {
	40	unsigned long u_volt;
	41	unsigned long u_volt_min;
	42	unsigned long u_volt_max;
	43	unsigned long u_amp;
	44	};
	45
94735585 VK	46	/**
	47	* struct dev_pm_opp_info - OPP freq/voltage/current values
	48	* @rate: Target clk rate in hz
	49	* @supplies: Array of voltage/current values for all power supplies
	50	*
	51	* This structure stores the freq/voltage/current values for a single OPP.
	52	*/
	53	struct dev_pm_opp_info {
	54	unsigned long rate;
	55	struct dev_pm_opp_supply *supplies;
	56	};
	57
	58	/**
	59	* struct dev_pm_set_opp_data - Set OPP data
	60	* @old_opp: Old OPP info
	61	* @new_opp: New OPP info
	62	* @regulators: Array of regulator pointers
	63	* @regulator_count: Number of regulators
	64	* @clk: Pointer to clk
	65	* @dev: Pointer to the struct device
	66	*
	67	* This structure contains all information required for setting an OPP.
	68	*/
	69	struct dev_pm_set_opp_data {
	70	struct dev_pm_opp_info old_opp;
	71	struct dev_pm_opp_info new_opp;
	72
	73	struct regulator **regulators;
	74	unsigned int regulator_count;
	75	struct clk *clk;
	76	struct device *dev;
	77	};
	78
e1f60b29 NM	79	#if defined(CONFIG_PM_OPP)
e1f60b29 NM	80
f067a982	81	struct opp_table dev_pm_opp_get_opp_table(struct device dev);
eb7c8743	82	struct opp_table dev_pm_opp_get_opp_table_indexed(struct device dev, int index);
f067a982 VK	83	void dev_pm_opp_put_opp_table(struct opp_table *opp_table);
f067a982 VK	84
47d43ba7	85	unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp);
e1f60b29	86
47d43ba7	87	unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp);
e1f60b29	88
5b93ac54 RN	89	unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp);
5b93ac54 RN	90
19445b25 BZ	91	bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
19445b25 BZ	92
5d4879cd	93	int dev_pm_opp_get_opp_count(struct device *dev);
3ca9bb33	94	unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
655c9df9	95	unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev);
21743447	96	unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev);
3aa26a3b	97	unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev);
e1f60b29	98
47d43ba7 NM	99	struct dev_pm_opp dev_pm_opp_find_freq_exact(struct device dev,
	100	unsigned long freq,
	101	bool available);
e1f60b29	102
47d43ba7 NM	103	struct dev_pm_opp dev_pm_opp_find_freq_floor(struct device dev,
47d43ba7 NM	104	unsigned long *freq);
e1f60b29	105
47d43ba7 NM	106	struct dev_pm_opp dev_pm_opp_find_freq_ceil(struct device dev,
47d43ba7 NM	107	unsigned long *freq);
7034764a	108	void dev_pm_opp_put(struct dev_pm_opp *opp);
e1f60b29	109
5d4879cd NM	110	int dev_pm_opp_add(struct device *dev, unsigned long freq,
5d4879cd NM	111	unsigned long u_volt);
129eec55	112	void dev_pm_opp_remove(struct device *dev, unsigned long freq);
1690d8bb	113	void dev_pm_opp_remove_all_dynamic(struct device *dev);
e1f60b29	114
5d4879cd	115	int dev_pm_opp_enable(struct device *dev, unsigned long freq);
e1f60b29	116
5d4879cd	117	int dev_pm_opp_disable(struct device *dev, unsigned long freq);
e1f60b29	118
dc2c9ad5 VK	119	int dev_pm_opp_register_notifier(struct device dev, struct notifier_block nb);
	120	int dev_pm_opp_unregister_notifier(struct device dev, struct notifier_block nb);
	121
fa30184d VK	122	struct opp_table dev_pm_opp_set_supported_hw(struct device dev, const u32 *versions, unsigned int count);
	123	void dev_pm_opp_put_supported_hw(struct opp_table *opp_table);
	124	struct opp_table dev_pm_opp_set_prop_name(struct device dev, const char *name);
	125	void dev_pm_opp_put_prop_name(struct opp_table *opp_table);
dfbe4678 VK	126	struct opp_table dev_pm_opp_set_regulators(struct device dev, const char * const names[], unsigned int count);
dfbe4678 VK	127	void dev_pm_opp_put_regulators(struct opp_table *opp_table);
829a4e8c VK	128	struct opp_table dev_pm_opp_set_clkname(struct device dev, const char * name);
829a4e8c VK	129	void dev_pm_opp_put_clkname(struct opp_table *opp_table);
fa30184d	130	struct opp_table dev_pm_opp_register_set_opp_helper(struct device dev, int (set_opp)(struct dev_pm_set_opp_data data));
604a7aeb	131	void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table);
4f018bc0 VK	132	struct opp_table dev_pm_opp_set_genpd_virt_dev(struct device dev, struct device *virt_dev, int index);
4f018bc0 VK	133	void dev_pm_opp_put_genpd_virt_dev(struct opp_table opp_table, struct device virt_dev);
c8a59103	134	int dev_pm_opp_xlate_performance_state(struct opp_table src_table, struct opp_table dst_table, unsigned int pstate);
6a0712f6	135	int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
ddbb74bc AB	136	int dev_pm_opp_set_sharing_cpus(struct device cpu_dev, const struct cpumask cpumask);
ddbb74bc AB	137	int dev_pm_opp_get_sharing_cpus(struct device cpu_dev, struct cpumask cpumask);
411466c5 SH	138	void dev_pm_opp_remove_table(struct device *dev);
411466c5 SH	139	void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask);
e1f60b29	140	#else
f067a982 VK	141	static inline struct opp_table dev_pm_opp_get_opp_table(struct device dev)
	142	{
	143	return ERR_PTR(-ENOTSUPP);
	144	}
	145
eb7c8743 VK	146	static inline struct opp_table dev_pm_opp_get_opp_table_indexed(struct device dev, int index)
	147	{
	148	return ERR_PTR(-ENOTSUPP);
	149	}
	150
f067a982 VK	151	static inline void dev_pm_opp_put_opp_table(struct opp_table *opp_table) {}
f067a982 VK	152
47d43ba7	153	static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp)
e1f60b29 NM	154	{
	155	return 0;
	156	}
	157
47d43ba7	158	static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
e1f60b29 NM	159	{
	160	return 0;
	161	}
	162
5b93ac54 RN	163	static inline unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp)
	164	{
	165	return 0;
	166	}
	167
19445b25 BZ	168	static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
	169	{
	170	return false;
	171	}
	172
5d4879cd	173	static inline int dev_pm_opp_get_opp_count(struct device *dev)
e1f60b29 NM	174	{
	175	return 0;
	176	}
	177
3ca9bb33 VK	178	static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
	179	{
	180	return 0;
	181	}
	182
655c9df9 VK	183	static inline unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev)
	184	{
	185	return 0;
	186	}
	187
21743447 VK	188	static inline unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev)
	189	{
	190	return 0;
	191	}
	192
3aa26a3b	193	static inline unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev)
4eafbd15	194	{
3aa26a3b	195	return 0;
4eafbd15 BZ	196	}
4eafbd15 BZ	197
47d43ba7	198	static inline struct dev_pm_opp dev_pm_opp_find_freq_exact(struct device dev,
e1f60b29 NM	199	unsigned long freq, bool available)
e1f60b29 NM	200	{
d708b384	201	return ERR_PTR(-ENOTSUPP);
e1f60b29 NM	202	}
e1f60b29 NM	203
47d43ba7	204	static inline struct dev_pm_opp dev_pm_opp_find_freq_floor(struct device dev,
e1f60b29 NM	205	unsigned long *freq)
e1f60b29 NM	206	{
d708b384	207	return ERR_PTR(-ENOTSUPP);
e1f60b29 NM	208	}
e1f60b29 NM	209
47d43ba7	210	static inline struct dev_pm_opp dev_pm_opp_find_freq_ceil(struct device dev,
e1f60b29 NM	211	unsigned long *freq)
e1f60b29 NM	212	{
d708b384	213	return ERR_PTR(-ENOTSUPP);
e1f60b29 NM	214	}
e1f60b29 NM	215
7034764a VK	216	static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {}
7034764a VK	217
5d4879cd	218	static inline int dev_pm_opp_add(struct device *dev, unsigned long freq,
e1f60b29 NM	219	unsigned long u_volt)
e1f60b29 NM	220	{
d708b384	221	return -ENOTSUPP;
e1f60b29 NM	222	}
e1f60b29 NM	223
129eec55 VK	224	static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq)
	225	{
	226	}
	227
1690d8bb VK	228	static inline void dev_pm_opp_remove_all_dynamic(struct device *dev)
	229	{
	230	}
	231
5d4879cd	232	static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq)
e1f60b29 NM	233	{
	234	return 0;
	235	}
	236
5d4879cd	237	static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq)
e1f60b29 NM	238	{
	239	return 0;
	240	}
03ca370f	241
dc2c9ad5	242	static inline int dev_pm_opp_register_notifier(struct device dev, struct notifier_block nb)
03ca370f	243	{
dc2c9ad5 VK	244	return -ENOTSUPP;
	245	}
	246
	247	static inline int dev_pm_opp_unregister_notifier(struct device dev, struct notifier_block nb)
	248	{
	249	return -ENOTSUPP;
03ca370f	250	}
7de36b0a	251
fa30184d VK	252	static inline struct opp_table dev_pm_opp_set_supported_hw(struct device dev,
	253	const u32 *versions,
	254	unsigned int count)
7de36b0a	255	{
fa30184d	256	return ERR_PTR(-ENOTSUPP);
7de36b0a VK	257	}
7de36b0a VK	258
fa30184d	259	static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {}
7de36b0a	260
fa30184d	261	static inline struct opp_table dev_pm_opp_register_set_opp_helper(struct device dev,
4dab160e VK	262	int (set_opp)(struct dev_pm_set_opp_data data))
4dab160e VK	263	{
fa30184d	264	return ERR_PTR(-ENOTSUPP);
4dab160e VK	265	}
4dab160e VK	266
604a7aeb	267	static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {}
4dab160e	268
fa30184d	269	static inline struct opp_table dev_pm_opp_set_prop_name(struct device dev, const char *name)
01fb4d3c	270	{
fa30184d	271	return ERR_PTR(-ENOTSUPP);
01fb4d3c VK	272	}
01fb4d3c VK	273
fa30184d	274	static inline void dev_pm_opp_put_prop_name(struct opp_table *opp_table) {}
01fb4d3c	275
dfbe4678	276	static inline struct opp_table dev_pm_opp_set_regulators(struct device dev, const char * const names[], unsigned int count)
9f8ea969	277	{
91291d9a	278	return ERR_PTR(-ENOTSUPP);
9f8ea969 VK	279	}
9f8ea969 VK	280
dfbe4678	281	static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {}
9f8ea969	282
829a4e8c VK	283	static inline struct opp_table dev_pm_opp_set_clkname(struct device dev, const char * name)
	284	{
	285	return ERR_PTR(-ENOTSUPP);
	286	}
	287
	288	static inline void dev_pm_opp_put_clkname(struct opp_table *opp_table) {}
	289
4f018bc0 VK	290	static inline struct opp_table dev_pm_opp_set_genpd_virt_dev(struct device dev, struct device *virt_dev, int index)
	291	{
	292	return ERR_PTR(-ENOTSUPP);
	293	}
	294
	295	static inline void dev_pm_opp_put_genpd_virt_dev(struct opp_table opp_table, struct device virt_dev) {}
c8a59103 VK	296
	297	static inline int dev_pm_opp_xlate_performance_state(struct opp_table src_table, struct opp_table dst_table, unsigned int pstate)
	298	{
	299	return -ENOTSUPP;
	300	}
	301
6a0712f6 VK	302	static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
6a0712f6 VK	303	{
d708b384	304	return -ENOTSUPP;
6a0712f6 VK	305	}
6a0712f6 VK	306
ddbb74bc	307	static inline int dev_pm_opp_set_sharing_cpus(struct device cpu_dev, const struct cpumask cpumask)
642aa8ce	308	{
d708b384	309	return -ENOTSUPP;
642aa8ce VK	310	}
642aa8ce VK	311
ddbb74bc	312	static inline int dev_pm_opp_get_sharing_cpus(struct device cpu_dev, struct cpumask cpumask)
6f707daa VK	313	{
	314	return -EINVAL;
	315	}
	316
411466c5 SH	317	static inline void dev_pm_opp_remove_table(struct device *dev)
	318	{
	319	}
	320
	321	static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask)
	322	{
	323	}
	324
a96d69d1	325	#endif /* CONFIG_PM_OPP */
e1f60b29	326
d6561bb2	327	#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
8f8d37b2	328	int dev_pm_opp_of_add_table(struct device *dev);
fa9b274f	329	int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
8f8d37b2	330	void dev_pm_opp_of_remove_table(struct device *dev);
ddbb74bc AB	331	int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
	332	void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
	333	int dev_pm_opp_of_get_sharing_cpus(struct device cpu_dev, struct cpumask cpumask);
0764c604	334	struct device_node dev_pm_opp_of_get_opp_desc_node(struct device dev);
e2f4b5f8	335	struct device_node dev_pm_opp_get_of_node(struct dev_pm_opp opp);
2feb5a89	336	int of_get_required_opp_performance_state(struct device_node *np, int index);
a4f342b9	337	void dev_pm_opp_of_register_em(struct cpumask *cpus);
d6561bb2	338	#else
8f8d37b2	339	static inline int dev_pm_opp_of_add_table(struct device *dev)
d6561bb2	340	{
d708b384	341	return -ENOTSUPP;
d6561bb2	342	}
129eec55	343
fa9b274f VK	344	static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
	345	{
	346	return -ENOTSUPP;
	347	}
	348
8f8d37b2	349	static inline void dev_pm_opp_of_remove_table(struct device *dev)
129eec55 VK	350	{
129eec55 VK	351	}
8d4d4e98	352
ddbb74bc	353	static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
8d4d4e98	354	{
d708b384	355	return -ENOTSUPP;
8d4d4e98 VK	356	}
8d4d4e98 VK	357
ddbb74bc	358	static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
8d4d4e98 VK	359	{
	360	}
	361
ddbb74bc	362	static inline int dev_pm_opp_of_get_sharing_cpus(struct device cpu_dev, struct cpumask cpumask)
8d4d4e98	363	{
d708b384	364	return -ENOTSUPP;
8d4d4e98	365	}
0764c604 DG	366
	367	static inline struct device_node dev_pm_opp_of_get_opp_desc_node(struct device dev)
	368	{
	369	return NULL;
	370	}
a88bd2a5	371
e2f4b5f8 VK	372	static inline struct device_node dev_pm_opp_get_of_node(struct dev_pm_opp opp)
	373	{
	374	return NULL;
	375	}
a4f342b9 QP	376
	377	static inline void dev_pm_opp_of_register_em(struct cpumask *cpus)
	378	{
	379	}
	380
2feb5a89	381	static inline int of_get_required_opp_performance_state(struct device_node *np, int index)
4c6a343e	382	{
2feb5a89	383	return -ENOTSUPP;
4c6a343e	384	}
d6561bb2 SG	385	#endif
d6561bb2 SG	386
e1f60b29	387	#endif /* __LINUX_OPP_H__ */