cpuquiet: base files

Change-Id: I611b72a2e63fffc788bc6c7594c738d5ad65e06f
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-on: http://git-master/r/105263
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sai Gurrappadi <sgurrappadi@nvidia.com>
Tested-by: Sai Gurrappadi <sgurrappadi@nvidia.com>
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>

2 files changed, 68 insertions, 0 deletions

diff --git a/drivers/cpuquiet/cpuquiet.c b/drivers/cpuquiet/cpuquiet.c
new file mode 100644
index 000000000000..d902af26c8d7
--- /dev/null
+++ b/drivers/cpuquiet/cpuquiet.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2012 NVIDIA CORPORATION.  All rights reserved.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/cpu.h>
+#include <linux/slab.h>
+#include <linux/cpuquiet.h>
+#include "cpuquiet.h"
+
+DEFINE_MUTEX(cpuquiet_lock);
+
+static int __init cpuquiet_init(void)
+{
+	return cpuquiet_add_class_sysfs(&cpu_sysdev_class);
+}
+
+core_initcall(cpuquiet_init);
diff --git a/drivers/cpuquiet/cpuquiet.h b/drivers/cpuquiet/cpuquiet.h
new file mode 100644
index 000000000000..fa61946ff119
--- /dev/null
+++ b/drivers/cpuquiet/cpuquiet.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2012 NVIDIA CORPORATION.  All rights reserved.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 __DRIVER_CPUQUIET_H
+#define __DRIVER_CPUQUIET_H
+
+#include <linux/sysdev.h>
+
+extern struct mutex cpuquiet_lock;
+extern struct cpuquiet_governor *cpuquiet_curr_governor;
+extern struct list_head cpuquiet_governors;
+int cpuquiet_add_class_sysfs(struct sysdev_class *cls);
+struct cpuquiet_governor *cpuquiet_find_governor(const char *str);
+int cpuquiet_switch_governor(struct cpuquiet_governor *gov);
+struct cpuquiet_governor *cpuquiet_get_first_governor(void);
+struct cpuquiet_driver *cpuquiet_get_driver(void);
+void cpuquiet_add_dev(struct sys_device *sys_dev, unsigned int cpu);
+void cpuquiet_remove_dev(unsigned int cpu);
+int cpuquiet_cpu_kobject_init(struct kobject *kobj, struct kobj_type *type,
+				char *name, int cpu);
+#endif