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Diffstat (limited to 'arch/arm/mach-ux500/include/mach/prcmu-qos.h')
-rw-r--r--arch/arm/mach-ux500/include/mach/prcmu-qos.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/include/mach/prcmu-qos.h b/arch/arm/mach-ux500/include/mach/prcmu-qos.h
new file mode 100644
index 00000000000..00dcab689de
--- /dev/null
+++ b/arch/arm/mach-ux500/include/mach/prcmu-qos.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) ST Ericsson SA 2011
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * PRCMU QoS
+ */
+#ifndef __MACH_PRCMU_QOS_H
+#define __MACH_PRCMU_QOS_H
+
+#include <linux/notifier.h>
+
+/* PRCMU QoS APE OPP class */
+#define PRCMU_QOS_APE_OPP 1
+#define PRCMU_QOS_DDR_OPP 2
+#define PRCMU_QOS_DEFAULT_VALUE -1
+
+#ifdef CONFIG_UX500_SOC_DB8500
+
+unsigned long prcmu_qos_get_cpufreq_opp_delay(void);
+void prcmu_qos_set_cpufreq_opp_delay(unsigned long);
+void prcmu_qos_force_opp(int, s32);
+
+#else /* !CONFIG_UX500_SOC_DB8500 */
+
+static inline unsigned long prcmu_qos_get_cpufreq_opp_delay(void)
+{
+ return 0;
+}
+
+static inline void prcmu_qos_set_cpufreq_opp_delay(unsigned long n) {}
+
+static inline void prcmu_qos_force_opp(int prcmu_qos_class, s32 i) {}
+
+#endif /* CONFIG_UX500_SOC_DB8500 */
+
+#ifdef CONFIG_UX500_PRCMU_QOS_POWER
+
+int prcmu_qos_requirement(int pm_qos_class);
+int prcmu_qos_add_requirement(int pm_qos_class, char *name, s32 value);
+int prcmu_qos_update_requirement(int pm_qos_class, char *name, s32 new_value);
+void prcmu_qos_remove_requirement(int pm_qos_class, char *name);
+int prcmu_qos_add_notifier(int prcmu_qos_class,
+ struct notifier_block *notifier);
+int prcmu_qos_remove_notifier(int prcmu_qos_class,
+ struct notifier_block *notifier);
+
+#else
+
+static inline int prcmu_qos_requirement(int prcmu_qos_class)
+{
+ return 0;
+}
+
+static inline int prcmu_qos_add_requirement(int prcmu_qos_class,
+ char *name, s32 value)
+{
+ return 0;
+}
+
+static inline int prcmu_qos_update_requirement(int prcmu_qos_class,
+ char *name, s32 new_value)
+{
+ return 0;
+}
+
+static inline void prcmu_qos_remove_requirement(int prcmu_qos_class, char *name)
+{
+}
+
+static inline int prcmu_qos_add_notifier(int prcmu_qos_class,
+ struct notifier_block *notifier)
+{
+ return 0;
+}
+static inline int prcmu_qos_remove_notifier(int prcmu_qos_class,
+ struct notifier_block *notifier)
+{
+ return 0;
+}
+
+#endif
+
+#endif /* __MACH_PRCMU_QOS_H */