1 files changed, 190 insertions, 0 deletions

diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c
new file mode 100644
index 00000000000..ae7d8c57b44
--- /dev/null
+++ b/tools/power/cpupower/lib/cpufreq.c
@@ -0,0 +1,190 @@
+/*
+ *  (C) 2004-2009  Dominik Brodowski <linux@dominikbrodowski.de>
+ *
+ *  Licensed under the terms of the GNU GPL License version 2.
+ */
+
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "cpufreq.h"
+#include "sysfs.h"
+
+int cpufreq_cpu_exists(unsigned int cpu)
+{
+        return sysfs_cpu_exists(cpu);
+}
+
+unsigned long cpufreq_get_freq_kernel(unsigned int cpu)
+{
+        return sysfs_get_freq_kernel(cpu);
+}
+
+unsigned long cpufreq_get_freq_hardware(unsigned int cpu)
+{
+        return sysfs_get_freq_hardware(cpu);
+}
+
+unsigned long cpufreq_get_transition_latency(unsigned int cpu)
+{
+        return sysfs_get_freq_transition_latency(cpu);
+}
+
+int cpufreq_get_hardware_limits(unsigned int cpu,
+                                unsigned long *min,
+                                unsigned long *max)
+{
+        if ((!min) || (!max))
+                return -EINVAL;
+        return sysfs_get_freq_hardware_limits(cpu, min, max);
+}
+
+char * cpufreq_get_driver(unsigned int cpu) {
+        return sysfs_get_freq_driver(cpu);
+}
+
+void cpufreq_put_driver(char * ptr) {
+        if (!ptr)
+                return;
+        free(ptr);
+}
+
+struct cpufreq_policy * cpufreq_get_policy(unsigned int cpu) {
+        return sysfs_get_freq_policy(cpu);
+}
+
+void cpufreq_put_policy(struct cpufreq_policy *policy) {
+        if ((!policy) || (!policy->governor))
+                return;
+
+        free(policy->governor);
+        policy->governor = NULL;
+        free(policy);
+}
+
+struct cpufreq_available_governors * cpufreq_get_available_governors(unsigned int cpu) {
+        return sysfs_get_freq_available_governors(cpu);
+}
+
+void cpufreq_put_available_governors(struct cpufreq_available_governors *any) {
+        struct cpufreq_available_governors *tmp, *next;
+
+        if (!any)
+                return;
+
+        tmp = any->first;
+        while (tmp) {
+                next = tmp->next;
+                if (tmp->governor)
+                        free(tmp->governor);
+                free(tmp);
+                tmp = next;
+        }
+}
+
+
+struct cpufreq_available_frequencies * cpufreq_get_available_frequencies(unsigned int cpu) {
+        return sysfs_get_available_frequencies(cpu);
+}
+
+void cpufreq_put_available_frequencies(struct cpufreq_available_frequencies *any) {
+        struct cpufreq_available_frequencies *tmp, *next;
+
+        if (!any)
+                return;
+
+        tmp = any->first;
+        while (tmp) {
+                next = tmp->next;
+                free(tmp);
+                tmp = next;
+        }
+}
+
+
+struct cpufreq_affected_cpus * cpufreq_get_affected_cpus(unsigned int cpu) {
+        return sysfs_get_freq_affected_cpus(cpu);
+}
+
+void cpufreq_put_affected_cpus(struct cpufreq_affected_cpus *any) {
+        struct cpufreq_affected_cpus *tmp, *next;
+
+        if (!any)
+                return;
+
+        tmp = any->first;
+        while (tmp) {
+                next = tmp->next;
+                free(tmp);
+                tmp = next;
+        }
+}
+
+
+struct cpufreq_affected_cpus * cpufreq_get_related_cpus(unsigned int cpu) {
+        return sysfs_get_freq_related_cpus(cpu);
+}
+
+void cpufreq_put_related_cpus(struct cpufreq_affected_cpus *any) {
+        cpufreq_put_affected_cpus(any);
+}
+
+
+int cpufreq_set_policy(unsigned int cpu, struct cpufreq_policy *policy) {
+        if (!policy || !(policy->governor))
+                return -EINVAL;
+
+        return sysfs_set_freq_policy(cpu, policy);
+}
+
+
+int cpufreq_modify_policy_min(unsigned int cpu, unsigned long min_freq) {
+        return sysfs_modify_freq_policy_min(cpu, min_freq);
+}
+
+
+int cpufreq_modify_policy_max(unsigned int cpu, unsigned long max_freq) {
+        return sysfs_modify_freq_policy_max(cpu, max_freq);
+}
+
+
+int cpufreq_modify_policy_governor(unsigned int cpu, char *governor) {
+        if ((!governor) || (strlen(governor) > 19))
+                return -EINVAL;
+
+        return sysfs_modify_freq_policy_governor(cpu, governor);
+}
+
+int cpufreq_set_frequency(unsigned int cpu, unsigned long target_frequency) {
+        return sysfs_set_frequency(cpu, target_frequency);
+}
+
+struct cpufreq_stats * cpufreq_get_stats(unsigned int cpu, unsigned long long *total_time) {
+        struct cpufreq_stats *ret;
+
+        ret = sysfs_get_freq_stats(cpu, total_time);
+        return (ret);
+}
+
+void cpufreq_put_stats(struct cpufreq_stats *any) {
+        struct cpufreq_stats *tmp, *next;
+
+        if (!any)
+                return;
+
+        tmp = any->first;
+        while (tmp) {
+                next = tmp->next;
+                free(tmp);
+                tmp = next;
+        }
+}
+
+unsigned long cpufreq_get_transitions(unsigned int cpu) {
+        unsigned long ret = sysfs_get_freq_transitions(cpu);
+
+        return (ret);
+}