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-rw-r--r--ANDROID_3.4.5/include/linux/cpufreq.h412
1 files changed, 0 insertions, 412 deletions
diff --git a/ANDROID_3.4.5/include/linux/cpufreq.h b/ANDROID_3.4.5/include/linux/cpufreq.h
deleted file mode 100644
index d1c3bb0e..00000000
--- a/ANDROID_3.4.5/include/linux/cpufreq.h
+++ /dev/null
@@ -1,412 +0,0 @@
-/*
- * 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/mutex.h>
-#include <linux/notifier.h>
-#include <linux/threads.h>
-#include <linux/kobject.h>
-#include <linux/sysfs.h>
-#include <linux/completion.h>
-#include <linux/workqueue.h>
-#include <linux/cpumask.h>
-#include <asm/div64.h>
-
-#define CPUFREQ_NAME_LEN 16
-
-
-/*********************************************************************
- * CPUFREQ NOTIFIER INTERFACE *
- *********************************************************************/
-
-#define CPUFREQ_TRANSITION_NOTIFIER (0)
-#define CPUFREQ_POLICY_NOTIFIER (1)
-
-#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);
-extern void disable_cpufreq(void);
-#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;
-}
-static inline void disable_cpufreq(void) { }
-#endif /* CONFIG_CPU_FREQ */
-
-/* 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)
-
-/* Frequency values here are CPU kHz so that hardware which doesn't run
- * with some frequencies can complain without having to guess what per
- * cent / per mille means.
- * Maximum transition latency is in nanoseconds - if it's unknown,
- * CPUFREQ_ETERNAL shall be used.
- */
-
-struct cpufreq_governor;
-
-/* /sys/devices/system/cpu/cpufreq: entry point for global variables */
-extern struct kobject *cpufreq_global_kobject;
-
-#define CPUFREQ_ETERNAL (-1)
-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 {
- cpumask_var_t cpus; /* CPUs requiring sw coordination */
- cpumask_var_t related_cpus; /* CPUs with any coordination */
- unsigned int shared_type; /* ANY or ALL affected CPUs
- should set cpufreq */
- unsigned int cpu; /* cpu nr of registered CPU */
- 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 policy; /* see above */
- struct cpufreq_governor *governor; /* see below */
-
- struct work_struct update; /* if update_policy() needs to be
- * called, but you're in IRQ context */
-
- struct cpufreq_real_policy user_policy;
-
- struct kobject kobj;
- struct completion kobj_unregister;
-};
-
-#define CPUFREQ_ADJUST (0)
-#define CPUFREQ_INCOMPATIBLE (1)
-#define CPUFREQ_NOTIFY (2)
-#define CPUFREQ_START (3)
-
-#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*/
-
-/******************** cpufreq transition notifiers *******************/
-
-#define CPUFREQ_PRECHANGE (0)
-#define CPUFREQ_POSTCHANGE (1)
-#define CPUFREQ_RESUMECHANGE (8)
-#define CPUFREQ_SUSPENDCHANGE (9)
-
-struct cpufreq_freqs {
- unsigned int cpu; /* cpu nr */
- unsigned int old;
- unsigned int new;
- u8 flags; /* flags of cpufreq_driver, see below. */
-};
-
-
-/**
- * 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 *
- *********************************************************************/
-
-#define CPUFREQ_GOV_START 1
-#define CPUFREQ_GOV_STOP 2
-#define CPUFREQ_GOV_LIMITS 3
-
-struct cpufreq_governor {
- char name[CPUFREQ_NAME_LEN];
- 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.
- */
-extern int cpufreq_driver_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation);
-extern int __cpufreq_driver_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation);
-
-
-extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy,
- unsigned int cpu);
-
-int cpufreq_register_governor(struct cpufreq_governor *governor);
-void cpufreq_unregister_governor(struct cpufreq_governor *governor);
-
-
-/*********************************************************************
- * 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 */
-
-struct freq_attr;
-
-struct cpufreq_driver {
- struct module *owner;
- char name[CPUFREQ_NAME_LEN];
- u8 flags;
-
- /* 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);
- int (*target) (struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation);
-
- /* should be defined, if possible */
- unsigned int (*get) (unsigned int cpu);
-
- /* optional */
- unsigned int (*getavg) (struct cpufreq_policy *policy,
- unsigned int cpu);
- int (*bios_limit) (int cpu, unsigned int *limit);
-
- int (*exit) (struct cpufreq_policy *policy);
- int (*suspend) (struct cpufreq_policy *policy);
- int (*resume) (struct cpufreq_policy *policy);
- struct freq_attr **attr;
-};
-
-/* flags */
-
-#define CPUFREQ_STICKY 0x01 /* the driver isn't removed even if
- * all ->init() calls failed */
-#define CPUFREQ_CONST_LOOPS 0x02 /* loops_per_jiffy or other kernel
- * "constants" aren't affected by
- * frequency transitions */
-#define CPUFREQ_PM_NO_WARN 0x04 /* don't warn on suspend/resume speed
- * mismatches */
-
-int cpufreq_register_driver(struct cpufreq_driver *driver_data);
-int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
-
-
-void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state);
-
-
-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;
-}
-
-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)
-
-
-/*********************************************************************
- * CPUFREQ 2.6. INTERFACE *
- *********************************************************************/
-int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu);
-int cpufreq_update_policy(unsigned int cpu);
-
-#ifdef CONFIG_CPU_FREQ
-/* query the current CPU frequency (in kHz). If zero, cpufreq couldn't detect it */
-unsigned int cpufreq_get(unsigned int cpu);
-#else
-static inline unsigned int cpufreq_get(unsigned int cpu)
-{
- return 0;
-}
-#endif
-
-/* query the last known CPU freq (in kHz). If zero, cpufreq couldn't detect it */
-#ifdef CONFIG_CPU_FREQ
-unsigned int cpufreq_quick_get(unsigned int cpu);
-unsigned int cpufreq_quick_get_max(unsigned int cpu);
-#else
-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;
-}
-#endif
-
-
-/*********************************************************************
- * 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_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 *
- *********************************************************************/
-
-#define CPUFREQ_ENTRY_INVALID ~0
-#define CPUFREQ_TABLE_END ~1
-
-struct cpufreq_frequency_table {
- unsigned int index; /* any */
- unsigned int frequency; /* kHz - doesn't need to be in ascending
- * order */
-};
-
-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_frequency_table_target(struct cpufreq_policy *policy,
- struct cpufreq_frequency_table *table,
- unsigned int target_freq,
- unsigned int relation,
- unsigned int *index);
-
-/* the following 3 funtions are for cpufreq core use only */
-struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu);
-struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu);
-void cpufreq_cpu_put(struct cpufreq_policy *data);
-
-/* the following are really really optional */
-extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs;
-
-void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table,
- unsigned int cpu);
-
-void cpufreq_frequency_table_put_attr(unsigned int cpu);
-
-
-#endif /* _LINUX_CPUFREQ_H */
generated by cgit (git 2.34.1) at 2025-01-27 01:14:54 +0000