mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 17:18:05 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
608
include/linux/cpufreq.h
Normal file
608
include/linux/cpufreq.h
Normal file
|
@ -0,0 +1,608 @@
|
|||
/*
|
||||
* linux/include/linux/cpufreq.h
|
||||
*
|
||||
* Copyright (C) 2001 Russell King
|
||||
* (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
|
||||
*
|
||||
* 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_CPUFREQ_H
|
||||
#define _LINUX_CPUFREQ_H
|
||||
|
||||
#include <linux/clk.h>
|
||||
#include <linux/cpumask.h>
|
||||
#include <linux/completion.h>
|
||||
#include <linux/kobject.h>
|
||||
#include <linux/notifier.h>
|
||||
#include <linux/spinlock.h>
|
||||
#include <linux/sysfs.h>
|
||||
|
||||
/*********************************************************************
|
||||
* CPUFREQ INTERFACE *
|
||||
*********************************************************************/
|
||||
/*
|
||||
* Frequency values here are CPU kHz
|
||||
*
|
||||
* Maximum transition latency is in nanoseconds - if it's unknown,
|
||||
* CPUFREQ_ETERNAL shall be used.
|
||||
*/
|
||||
|
||||
#define CPUFREQ_ETERNAL (-1)
|
||||
#define CPUFREQ_NAME_LEN 16
|
||||
/* Print length for names. Extra 1 space for accomodating '\n' in prints */
|
||||
#define CPUFREQ_NAME_PLEN (CPUFREQ_NAME_LEN + 1)
|
||||
|
||||
struct cpufreq_governor;
|
||||
|
||||
struct cpufreq_freqs {
|
||||
unsigned int cpu; /* cpu nr */
|
||||
unsigned int old;
|
||||
unsigned int new;
|
||||
u8 flags; /* flags of cpufreq_driver, see below. */
|
||||
};
|
||||
|
||||
struct cpufreq_cpuinfo {
|
||||
unsigned int max_freq;
|
||||
unsigned int min_freq;
|
||||
|
||||
/* in 10^(-9) s = nanoseconds */
|
||||
unsigned int transition_latency;
|
||||
};
|
||||
|
||||
struct cpufreq_real_policy {
|
||||
unsigned int min; /* in kHz */
|
||||
unsigned int max; /* in kHz */
|
||||
unsigned int policy; /* see above */
|
||||
struct cpufreq_governor *governor; /* see below */
|
||||
};
|
||||
|
||||
struct cpufreq_policy {
|
||||
/* CPUs sharing clock, require sw coordination */
|
||||
cpumask_var_t cpus; /* Online CPUs only */
|
||||
cpumask_var_t related_cpus; /* Online + Offline CPUs */
|
||||
|
||||
unsigned int shared_type; /* ACPI: ANY or ALL affected CPUs
|
||||
should set cpufreq */
|
||||
unsigned int cpu; /* cpu nr of CPU managing this policy */
|
||||
unsigned int last_cpu; /* cpu nr of previous CPU that managed
|
||||
* this policy */
|
||||
struct clk *clk;
|
||||
struct cpufreq_cpuinfo cpuinfo;/* see above */
|
||||
|
||||
unsigned int min; /* in kHz */
|
||||
unsigned int max; /* in kHz */
|
||||
unsigned int cur; /* in kHz, only needed if cpufreq
|
||||
* governors are used */
|
||||
unsigned int restore_freq; /* = policy->cur before transition */
|
||||
unsigned int suspend_freq; /* freq to set during suspend */
|
||||
|
||||
unsigned int policy; /* see above */
|
||||
struct cpufreq_governor *governor; /* see below */
|
||||
void *governor_data;
|
||||
bool governor_enabled; /* governor start/stop flag */
|
||||
|
||||
struct work_struct update; /* if update_policy() needs to be
|
||||
* called, but you're in IRQ context */
|
||||
|
||||
struct cpufreq_real_policy user_policy;
|
||||
struct cpufreq_frequency_table *freq_table;
|
||||
|
||||
struct list_head policy_list;
|
||||
struct kobject kobj;
|
||||
struct completion kobj_unregister;
|
||||
|
||||
/*
|
||||
* The rules for this semaphore:
|
||||
* - Any routine that wants to read from the policy structure will
|
||||
* do a down_read on this semaphore.
|
||||
* - Any routine that will write to the policy structure and/or may take away
|
||||
* the policy altogether (eg. CPU hotplug), will hold this lock in write
|
||||
* mode before doing so.
|
||||
*
|
||||
* Additional rules:
|
||||
* - Lock should not be held across
|
||||
* __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT);
|
||||
*/
|
||||
struct rw_semaphore rwsem;
|
||||
|
||||
/* Synchronization for frequency transitions */
|
||||
bool transition_ongoing; /* Tracks transition status */
|
||||
spinlock_t transition_lock;
|
||||
wait_queue_head_t transition_wait;
|
||||
struct task_struct *transition_task; /* Task which is doing the transition */
|
||||
|
||||
/* For cpufreq driver's internal use */
|
||||
void *driver_data;
|
||||
};
|
||||
|
||||
/* Only for ACPI */
|
||||
#define CPUFREQ_SHARED_TYPE_NONE (0) /* None */
|
||||
#define CPUFREQ_SHARED_TYPE_HW (1) /* HW does needed coordination */
|
||||
#define CPUFREQ_SHARED_TYPE_ALL (2) /* All dependent CPUs should set freq */
|
||||
#define CPUFREQ_SHARED_TYPE_ANY (3) /* Freq can be set from any dependent CPU*/
|
||||
|
||||
#ifdef CONFIG_CPU_FREQ
|
||||
struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu);
|
||||
void cpufreq_cpu_put(struct cpufreq_policy *policy);
|
||||
#else
|
||||
static inline struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
static inline void cpufreq_cpu_put(struct cpufreq_policy *policy) { }
|
||||
#endif
|
||||
|
||||
static inline bool policy_is_shared(struct cpufreq_policy *policy)
|
||||
{
|
||||
return cpumask_weight(policy->cpus) > 1;
|
||||
}
|
||||
|
||||
/* /sys/devices/system/cpu/cpufreq: entry point for global variables */
|
||||
extern struct kobject *cpufreq_global_kobject;
|
||||
int cpufreq_get_global_kobject(void);
|
||||
void cpufreq_put_global_kobject(void);
|
||||
int cpufreq_sysfs_create_file(const struct attribute *attr);
|
||||
void cpufreq_sysfs_remove_file(const struct attribute *attr);
|
||||
int cpufreq_sysfs_create_group(const struct attribute_group *attr_grp);
|
||||
void cpufreq_sysfs_remove_group(const struct attribute_group *attr_grp);
|
||||
|
||||
#ifdef CONFIG_CPU_FREQ
|
||||
unsigned int cpufreq_get(unsigned int cpu);
|
||||
unsigned int cpufreq_quick_get(unsigned int cpu);
|
||||
unsigned int cpufreq_quick_get_max(unsigned int cpu);
|
||||
void disable_cpufreq(void);
|
||||
|
||||
u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy);
|
||||
int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu);
|
||||
int cpufreq_update_policy(unsigned int cpu);
|
||||
bool have_governor_per_policy(void);
|
||||
struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy);
|
||||
#else
|
||||
static inline unsigned int cpufreq_get(unsigned int cpu)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline unsigned int cpufreq_quick_get(unsigned int cpu)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline unsigned int cpufreq_quick_get_max(unsigned int cpu)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline void disable_cpufreq(void) { }
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* CPUFREQ DRIVER INTERFACE *
|
||||
*********************************************************************/
|
||||
|
||||
#define CPUFREQ_RELATION_L 0 /* lowest frequency at or above target */
|
||||
#define CPUFREQ_RELATION_H 1 /* highest frequency below or at target */
|
||||
#define CPUFREQ_RELATION_C 2 /* closest frequency to target */
|
||||
|
||||
struct freq_attr {
|
||||
struct attribute attr;
|
||||
ssize_t (*show)(struct cpufreq_policy *, char *);
|
||||
ssize_t (*store)(struct cpufreq_policy *, const char *, size_t count);
|
||||
};
|
||||
|
||||
#define cpufreq_freq_attr_ro(_name) \
|
||||
static struct freq_attr _name = \
|
||||
__ATTR(_name, 0444, show_##_name, NULL)
|
||||
|
||||
#define cpufreq_freq_attr_ro_perm(_name, _perm) \
|
||||
static struct freq_attr _name = \
|
||||
__ATTR(_name, _perm, show_##_name, NULL)
|
||||
|
||||
#define cpufreq_freq_attr_rw(_name) \
|
||||
static struct freq_attr _name = \
|
||||
__ATTR(_name, 0644, show_##_name, store_##_name)
|
||||
|
||||
struct global_attr {
|
||||
struct attribute attr;
|
||||
ssize_t (*show)(struct kobject *kobj,
|
||||
struct attribute *attr, char *buf);
|
||||
ssize_t (*store)(struct kobject *a, struct attribute *b,
|
||||
const char *c, size_t count);
|
||||
};
|
||||
|
||||
#define define_one_global_ro(_name) \
|
||||
static struct global_attr _name = \
|
||||
__ATTR(_name, 0444, show_##_name, NULL)
|
||||
|
||||
#define define_one_global_rw(_name) \
|
||||
static struct global_attr _name = \
|
||||
__ATTR(_name, 0644, show_##_name, store_##_name)
|
||||
|
||||
|
||||
struct cpufreq_driver {
|
||||
char name[CPUFREQ_NAME_LEN];
|
||||
u8 flags;
|
||||
void *driver_data;
|
||||
|
||||
/* needed by all drivers */
|
||||
int (*init) (struct cpufreq_policy *policy);
|
||||
int (*verify) (struct cpufreq_policy *policy);
|
||||
|
||||
/* define one out of two */
|
||||
int (*setpolicy) (struct cpufreq_policy *policy);
|
||||
|
||||
/*
|
||||
* On failure, should always restore frequency to policy->restore_freq
|
||||
* (i.e. old freq).
|
||||
*/
|
||||
int (*target) (struct cpufreq_policy *policy, /* Deprecated */
|
||||
unsigned int target_freq,
|
||||
unsigned int relation);
|
||||
int (*target_index) (struct cpufreq_policy *policy,
|
||||
unsigned int index);
|
||||
/*
|
||||
* Only for drivers with target_index() and CPUFREQ_ASYNC_NOTIFICATION
|
||||
* unset.
|
||||
*
|
||||
* get_intermediate should return a stable intermediate frequency
|
||||
* platform wants to switch to and target_intermediate() should set CPU
|
||||
* to to that frequency, before jumping to the frequency corresponding
|
||||
* to 'index'. Core will take care of sending notifications and driver
|
||||
* doesn't have to handle them in target_intermediate() or
|
||||
* target_index().
|
||||
*
|
||||
* Drivers can return '0' from get_intermediate() in case they don't
|
||||
* wish to switch to intermediate frequency for some target frequency.
|
||||
* In that case core will directly call ->target_index().
|
||||
*/
|
||||
unsigned int (*get_intermediate)(struct cpufreq_policy *policy,
|
||||
unsigned int index);
|
||||
int (*target_intermediate)(struct cpufreq_policy *policy,
|
||||
unsigned int index);
|
||||
|
||||
/* should be defined, if possible */
|
||||
unsigned int (*get) (unsigned int cpu);
|
||||
|
||||
/* optional */
|
||||
int (*bios_limit) (int cpu, unsigned int *limit);
|
||||
|
||||
int (*exit) (struct cpufreq_policy *policy);
|
||||
void (*stop_cpu) (struct cpufreq_policy *policy);
|
||||
int (*suspend) (struct cpufreq_policy *policy);
|
||||
int (*resume) (struct cpufreq_policy *policy);
|
||||
struct freq_attr **attr;
|
||||
|
||||
/* platform specific boost support code */
|
||||
bool boost_supported;
|
||||
bool boost_enabled;
|
||||
int (*set_boost) (int state);
|
||||
};
|
||||
|
||||
/* flags */
|
||||
#define CPUFREQ_STICKY (1 << 0) /* driver isn't removed even if
|
||||
all ->init() calls failed */
|
||||
#define CPUFREQ_CONST_LOOPS (1 << 1) /* loops_per_jiffy or other
|
||||
kernel "constants" aren't
|
||||
affected by frequency
|
||||
transitions */
|
||||
#define CPUFREQ_PM_NO_WARN (1 << 2) /* don't warn on suspend/resume
|
||||
speed mismatches */
|
||||
|
||||
/*
|
||||
* This should be set by platforms having multiple clock-domains, i.e.
|
||||
* supporting multiple policies. With this sysfs directories of governor would
|
||||
* be created in cpu/cpu<num>/cpufreq/ directory and so they can use the same
|
||||
* governor with different tunables for different clusters.
|
||||
*/
|
||||
#define CPUFREQ_HAVE_GOVERNOR_PER_POLICY (1 << 3)
|
||||
|
||||
/*
|
||||
* Driver will do POSTCHANGE notifications from outside of their ->target()
|
||||
* routine and so must set cpufreq_driver->flags with this flag, so that core
|
||||
* can handle them specially.
|
||||
*/
|
||||
#define CPUFREQ_ASYNC_NOTIFICATION (1 << 4)
|
||||
|
||||
/*
|
||||
* Set by drivers which want cpufreq core to check if CPU is running at a
|
||||
* frequency present in freq-table exposed by the driver. For these drivers if
|
||||
* CPU is found running at an out of table freq, we will try to set it to a freq
|
||||
* from the table. And if that fails, we will stop further boot process by
|
||||
* issuing a BUG_ON().
|
||||
*/
|
||||
#define CPUFREQ_NEED_INITIAL_FREQ_CHECK (1 << 5)
|
||||
|
||||
int cpufreq_register_driver(struct cpufreq_driver *driver_data);
|
||||
int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
|
||||
|
||||
const char *cpufreq_get_current_driver(void);
|
||||
void *cpufreq_get_driver_data(void);
|
||||
|
||||
static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy,
|
||||
unsigned int min, unsigned int max)
|
||||
{
|
||||
if (policy->min < min)
|
||||
policy->min = min;
|
||||
if (policy->max < min)
|
||||
policy->max = min;
|
||||
if (policy->min > max)
|
||||
policy->min = max;
|
||||
if (policy->max > max)
|
||||
policy->max = max;
|
||||
if (policy->min > policy->max)
|
||||
policy->min = policy->max;
|
||||
return;
|
||||
}
|
||||
|
||||
static inline void
|
||||
cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy)
|
||||
{
|
||||
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
|
||||
policy->cpuinfo.max_freq);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CPU_FREQ
|
||||
void cpufreq_suspend(void);
|
||||
void cpufreq_resume(void);
|
||||
int cpufreq_generic_suspend(struct cpufreq_policy *policy);
|
||||
#else
|
||||
static inline void cpufreq_suspend(void) {}
|
||||
static inline void cpufreq_resume(void) {}
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* CPUFREQ NOTIFIER INTERFACE *
|
||||
*********************************************************************/
|
||||
|
||||
#define CPUFREQ_TRANSITION_NOTIFIER (0)
|
||||
#define CPUFREQ_POLICY_NOTIFIER (1)
|
||||
|
||||
/* Transition notifiers */
|
||||
#define CPUFREQ_PRECHANGE (0)
|
||||
#define CPUFREQ_POSTCHANGE (1)
|
||||
|
||||
/* Policy Notifiers */
|
||||
#define CPUFREQ_ADJUST (0)
|
||||
#define CPUFREQ_INCOMPATIBLE (1)
|
||||
#define CPUFREQ_NOTIFY (2)
|
||||
#define CPUFREQ_START (3)
|
||||
#define CPUFREQ_UPDATE_POLICY_CPU (4)
|
||||
#define CPUFREQ_CREATE_POLICY (5)
|
||||
#define CPUFREQ_REMOVE_POLICY (6)
|
||||
|
||||
#ifdef CONFIG_CPU_FREQ
|
||||
int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list);
|
||||
int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list);
|
||||
|
||||
void cpufreq_freq_transition_begin(struct cpufreq_policy *policy,
|
||||
struct cpufreq_freqs *freqs);
|
||||
void cpufreq_freq_transition_end(struct cpufreq_policy *policy,
|
||||
struct cpufreq_freqs *freqs, int transition_failed);
|
||||
|
||||
#else /* CONFIG_CPU_FREQ */
|
||||
static inline int cpufreq_register_notifier(struct notifier_block *nb,
|
||||
unsigned int list)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int cpufreq_unregister_notifier(struct notifier_block *nb,
|
||||
unsigned int list)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif /* !CONFIG_CPU_FREQ */
|
||||
|
||||
/**
|
||||
* cpufreq_scale - "old * mult / div" calculation for large values (32-bit-arch
|
||||
* safe)
|
||||
* @old: old value
|
||||
* @div: divisor
|
||||
* @mult: multiplier
|
||||
*
|
||||
*
|
||||
* new = old * mult / div
|
||||
*/
|
||||
static inline unsigned long cpufreq_scale(unsigned long old, u_int div,
|
||||
u_int mult)
|
||||
{
|
||||
#if BITS_PER_LONG == 32
|
||||
u64 result = ((u64) old) * ((u64) mult);
|
||||
do_div(result, div);
|
||||
return (unsigned long) result;
|
||||
|
||||
#elif BITS_PER_LONG == 64
|
||||
unsigned long result = old * ((u64) mult);
|
||||
result /= div;
|
||||
return result;
|
||||
#endif
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* CPUFREQ GOVERNORS *
|
||||
*********************************************************************/
|
||||
|
||||
/*
|
||||
* If (cpufreq_driver->target) exists, the ->governor decides what frequency
|
||||
* within the limits is used. If (cpufreq_driver->setpolicy> exists, these
|
||||
* two generic policies are available:
|
||||
*/
|
||||
#define CPUFREQ_POLICY_POWERSAVE (1)
|
||||
#define CPUFREQ_POLICY_PERFORMANCE (2)
|
||||
|
||||
/* Governor Events */
|
||||
#define CPUFREQ_GOV_START 1
|
||||
#define CPUFREQ_GOV_STOP 2
|
||||
#define CPUFREQ_GOV_LIMITS 3
|
||||
#define CPUFREQ_GOV_POLICY_INIT 4
|
||||
#define CPUFREQ_GOV_POLICY_EXIT 5
|
||||
|
||||
struct cpufreq_governor {
|
||||
char name[CPUFREQ_NAME_LEN];
|
||||
int initialized;
|
||||
int (*governor) (struct cpufreq_policy *policy,
|
||||
unsigned int event);
|
||||
ssize_t (*show_setspeed) (struct cpufreq_policy *policy,
|
||||
char *buf);
|
||||
int (*store_setspeed) (struct cpufreq_policy *policy,
|
||||
unsigned int freq);
|
||||
unsigned int max_transition_latency; /* HW must be able to switch to
|
||||
next freq faster than this value in nano secs or we
|
||||
will fallback to performance governor */
|
||||
struct list_head governor_list;
|
||||
struct module *owner;
|
||||
};
|
||||
|
||||
/* Pass a target to the cpufreq driver */
|
||||
int cpufreq_driver_target(struct cpufreq_policy *policy,
|
||||
unsigned int target_freq,
|
||||
unsigned int relation);
|
||||
int __cpufreq_driver_target(struct cpufreq_policy *policy,
|
||||
unsigned int target_freq,
|
||||
unsigned int relation);
|
||||
int cpufreq_register_governor(struct cpufreq_governor *governor);
|
||||
void cpufreq_unregister_governor(struct cpufreq_governor *governor);
|
||||
|
||||
/* CPUFREQ DEFAULT GOVERNOR */
|
||||
/*
|
||||
* Performance governor is fallback governor if any other gov failed to auto
|
||||
* load due latency restrictions
|
||||
*/
|
||||
#ifdef CONFIG_CPU_FREQ_GOV_PERFORMANCE
|
||||
extern struct cpufreq_governor cpufreq_gov_performance;
|
||||
#endif
|
||||
#ifdef CONFIG_CPU_FREQ_GOV_INTERACTIVE
|
||||
extern unsigned int cpufreq_interactive_get_hispeed_freq(int cpu);
|
||||
#endif
|
||||
#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
|
||||
#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_performance)
|
||||
#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE)
|
||||
extern struct cpufreq_governor cpufreq_gov_powersave;
|
||||
#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_powersave)
|
||||
#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE)
|
||||
extern struct cpufreq_governor cpufreq_gov_userspace;
|
||||
#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_userspace)
|
||||
#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND)
|
||||
extern struct cpufreq_governor cpufreq_gov_ondemand;
|
||||
#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_ondemand)
|
||||
#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE)
|
||||
extern struct cpufreq_governor cpufreq_gov_conservative;
|
||||
#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_conservative)
|
||||
#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_INTERACTIVE)
|
||||
extern struct cpufreq_governor cpufreq_gov_interactive;
|
||||
#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_interactive)
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* FREQUENCY TABLE HELPERS *
|
||||
*********************************************************************/
|
||||
|
||||
/* Special Values of .frequency field */
|
||||
#define CPUFREQ_ENTRY_INVALID ~0u
|
||||
#define CPUFREQ_TABLE_END ~1u
|
||||
/* Special Values of .flags field */
|
||||
#define CPUFREQ_BOOST_FREQ (1 << 0)
|
||||
|
||||
struct cpufreq_frequency_table {
|
||||
unsigned int flags;
|
||||
unsigned int driver_data; /* driver specific data, not used by core */
|
||||
unsigned int frequency; /* kHz - doesn't need to be in ascending
|
||||
* order */
|
||||
};
|
||||
|
||||
#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)
|
||||
int dev_pm_opp_init_cpufreq_table(struct device *dev,
|
||||
struct cpufreq_frequency_table **table);
|
||||
void dev_pm_opp_free_cpufreq_table(struct device *dev,
|
||||
struct cpufreq_frequency_table **table);
|
||||
#else
|
||||
static inline int dev_pm_opp_init_cpufreq_table(struct device *dev,
|
||||
struct cpufreq_frequency_table
|
||||
**table)
|
||||
{
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static inline void dev_pm_opp_free_cpufreq_table(struct device *dev,
|
||||
struct cpufreq_frequency_table
|
||||
**table)
|
||||
{
|
||||
}
|
||||
#endif
|
||||
|
||||
static inline bool cpufreq_next_valid(struct cpufreq_frequency_table **pos)
|
||||
{
|
||||
while ((*pos)->frequency != CPUFREQ_TABLE_END)
|
||||
if ((*pos)->frequency != CPUFREQ_ENTRY_INVALID)
|
||||
return true;
|
||||
else
|
||||
(*pos)++;
|
||||
return false;
|
||||
}
|
||||
|
||||
/*
|
||||
* cpufreq_for_each_entry - iterate over a cpufreq_frequency_table
|
||||
* @pos: the cpufreq_frequency_table * to use as a loop cursor.
|
||||
* @table: the cpufreq_frequency_table * to iterate over.
|
||||
*/
|
||||
|
||||
#define cpufreq_for_each_entry(pos, table) \
|
||||
for (pos = table; pos->frequency != CPUFREQ_TABLE_END; pos++)
|
||||
|
||||
/*
|
||||
* cpufreq_for_each_valid_entry - iterate over a cpufreq_frequency_table
|
||||
* excluding CPUFREQ_ENTRY_INVALID frequencies.
|
||||
* @pos: the cpufreq_frequency_table * to use as a loop cursor.
|
||||
* @table: the cpufreq_frequency_table * to iterate over.
|
||||
*/
|
||||
|
||||
#define cpufreq_for_each_valid_entry(pos, table) \
|
||||
for (pos = table; cpufreq_next_valid(&pos); pos++)
|
||||
|
||||
int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
|
||||
struct cpufreq_frequency_table *table);
|
||||
|
||||
int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
|
||||
struct cpufreq_frequency_table *table);
|
||||
int cpufreq_generic_frequency_table_verify(struct cpufreq_policy *policy);
|
||||
|
||||
int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
|
||||
struct cpufreq_frequency_table *table,
|
||||
unsigned int target_freq,
|
||||
unsigned int relation,
|
||||
unsigned int *index);
|
||||
int cpufreq_frequency_table_get_index(struct cpufreq_policy *policy,
|
||||
unsigned int freq);
|
||||
|
||||
ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf);
|
||||
|
||||
#ifdef CONFIG_CPU_FREQ
|
||||
int cpufreq_boost_trigger_state(int state);
|
||||
int cpufreq_boost_supported(void);
|
||||
int cpufreq_boost_enabled(void);
|
||||
#else
|
||||
static inline int cpufreq_boost_trigger_state(int state)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int cpufreq_boost_supported(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int cpufreq_boost_enabled(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
/* the following funtion is for cpufreq core use only */
|
||||
struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu);
|
||||
|
||||
/* the following are really really optional */
|
||||
extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs;
|
||||
extern struct freq_attr *cpufreq_generic_attr[];
|
||||
int cpufreq_table_validate_and_show(struct cpufreq_policy *policy,
|
||||
struct cpufreq_frequency_table *table);
|
||||
|
||||
unsigned int cpufreq_generic_get(unsigned int cpu);
|
||||
int cpufreq_generic_init(struct cpufreq_policy *policy,
|
||||
struct cpufreq_frequency_table *table,
|
||||
unsigned int transition_latency);
|
||||
#endif /* _LINUX_CPUFREQ_H */
|
Loading…
Add table
Add a link
Reference in a new issue