1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/cpu-tegra.h b/arch/arm/mach-tegra/cpu-tegra.h
new file mode 100644
index 000000000000..a89ccd32d463
--- /dev/null
+++ b/arch/arm/mach-tegra/cpu-tegra.h
@@ -0,0 +1,79 @@
+/*
+ * arch/arm/mach-tegra/cpu-tegra.h
+ *
+ * Copyright (c) 2011, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __MACH_TEGRA_CPU_TEGRA_H
+#define __MACH_TEGRA_CPU_TEGRA_H
+
+unsigned int tegra_getspeed(unsigned int cpu);
+int tegra_cpu_set_speed_cap(unsigned int *speed_cap);
+unsigned int tegra_count_slow_cpus(unsigned long speed_limit);
+unsigned int tegra_get_slowest_cpu_n(void);
+unsigned long tegra_cpu_lowest_speed(void);
+unsigned long tegra_cpu_highest_speed(void);
+
+#ifdef CONFIG_TEGRA_THERMAL_THROTTLE
+int tegra_throttle_init(struct mutex *cpu_lock);
+void tegra_throttle_exit(void);
+bool tegra_is_throttling(void);
+unsigned int tegra_throttle_governor_speed(unsigned int requested_speed);
+int tegra_throttle_debug_init(struct dentry *cpu_tegra_debugfs_root);
+void tegra_throttling_enable(bool enable);
+#else
+static inline int tegra_throttle_init(struct mutex *cpu_lock)
+{ return 0; }
+static inline void tegra_throttle_exit(void)
+{}
+static inline bool tegra_is_throttling(void)
+{ return false; }
+static inline unsigned int tegra_throttle_governor_speed(
+	unsigned int requested_speed)
+{ return requested_speed; }
+static inline int tegra_throttle_debug_init(
+	struct dentry *cpu_tegra_debugfs_root)
+{ return 0; }
+static inline void tegra_throttling_enable(bool enable)
+{}
+#endif /* CONFIG_TEGRA_THERMAL_THROTTLE */
+
+#if defined(CONFIG_TEGRA_AUTO_HOTPLUG) && !defined(CONFIG_ARCH_TEGRA_2x_SOC)
+int tegra_auto_hotplug_init(struct mutex *cpu_lock);
+void tegra_auto_hotplug_exit(void);
+void tegra_auto_hotplug_governor(unsigned int cpu_freq, bool suspend);
+#else
+static inline int tegra_auto_hotplug_init(struct mutex *cpu_lock)
+{ return 0; }
+static inline void tegra_auto_hotplug_exit(void)
+{ }
+static inline void tegra_auto_hotplug_governor(unsigned int cpu_freq,
+					       bool suspend)
+{ }
+#endif
+
+#ifdef CONFIG_TEGRA_EDP_LIMITS
+bool tegra_cpu_edp_favor_up(unsigned int n, int mp_overhead);
+bool tegra_cpu_edp_favor_down(unsigned int n, int mp_overhead);
+#else
+static inline bool tegra_cpu_edp_favor_up(unsigned int n, int mp_overhead)
+{ return true; }
+static inline bool tegra_cpu_edp_favor_down(unsigned int n, int mp_overhead)
+{ return false; }
+#endif
+
+#endif /* __MACH_TEGRA_CPU_TEGRA_H */