X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fcpufreq.h;h=9f15150ce8d67d46415de9c009c17607008c213c;hb=be867b194a3ae3c680c29521287ae49b4d44d420;hp=a881fd62c4479de56bdb1967578d497252443403;hpb=e8628dd06d66f2e3965ec9742029b401d63434f1;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index a881fd6..9f15150 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -4,9 +4,6 @@
  *  Copyright (C) 2001 Russell King
  *            (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
  *            
- *
- * $Id: cpufreq.h,v 1.36 2003/01/20 17:31:48 db Exp $
- *
  * 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.
@@ -68,6 +65,9 @@ static inline int cpufreq_unregister_notifier(struct notifier_block *nb,
 
 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;
@@ -83,8 +83,8 @@ struct cpufreq_real_policy {
 };
 
 struct cpufreq_policy {
-	cpumask_t		cpus;	/* CPUs requiring sw coordination */
-	cpumask_t		related_cpus; /* CPUs with any coordination */
+	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 */
@@ -109,6 +109,7 @@ struct cpufreq_policy {
 #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 */
@@ -189,7 +190,8 @@ extern int __cpufreq_driver_target(struct cpufreq_policy *policy,
 				   unsigned int relation);
 
 
-extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy);
+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);
@@ -228,7 +230,10 @@ struct cpufreq_driver {
 	unsigned int	(*get)	(unsigned int cpu);
 
 	/* optional */
-	unsigned int (*getavg)	(unsigned int cpu);
+	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, pm_message_t pmsg);
 	int	(*resume)	(struct cpufreq_policy *policy);
@@ -273,6 +278,43 @@ struct freq_attr {
 	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_ro_old(_name)		\
+static struct freq_attr _name##_old =		\
+__ATTR(_name, 0444, show_##_name##_old, NULL)
+
+#define cpufreq_freq_attr_rw(_name)		\
+static struct freq_attr _name =			\
+__ATTR(_name, 0644, show_##_name, store_##_name)
+
+#define cpufreq_freq_attr_rw_old(_name)		\
+static struct freq_attr _name##_old =		\
+__ATTR(_name, 0644, show_##_name##_old, store_##_name##_old)
+
+
+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                     *
@@ -280,8 +322,15 @@ struct freq_attr {
 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
@@ -308,6 +357,9 @@ 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)