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Diffstat (limited to 'arch/arm/mach-exynos4/include/mach/cpufreq.h')
-rw-r--r--arch/arm/mach-exynos4/include/mach/cpufreq.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/include/mach/cpufreq.h b/arch/arm/mach-exynos4/include/mach/cpufreq.h
new file mode 100644
index 00000000000..7e0093111da
--- /dev/null
+++ b/arch/arm/mach-exynos4/include/mach/cpufreq.h
@@ -0,0 +1,39 @@
+/* linux/arch/arm/mach-exynos4/include/mach/cpufreq.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * EXYNOS4 - CPUFreq support
+ *
+ * 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.
+ */
+
+/*
+ * CPU frequency level index for using cpufreq lock API
+ * This should be same with cpufreq_frequency_table
+ */
+enum cpufreq_level_request {
+ CPU_L0, /* 1200MHz */
+ CPU_L1, /* 1000MHz */
+ CPU_L2, /* 800MHz */
+ CPU_L3, /* 500MHz */
+ CPU_L4, /* 200MHz */
+ CPU_LEVEL_END,
+};
+
+enum cpufreq_lock_ID {
+ DVFS_LOCK_ID_G2D, /* G2D */
+ DVFS_LOCK_ID_TV, /* TV */
+ DVFS_LOCK_ID_MFC, /* MFC */
+ DVFS_LOCK_ID_USB, /* USB */
+ DVFS_LOCK_ID_CAM, /* CAM */
+ DVFS_LOCK_ID_PM, /* PM */
+ DVFS_LOCK_ID_USER, /* USER */
+ DVFS_LOCK_ID_END,
+};
+
+int exynos4_cpufreq_lock(unsigned int nId,
+ enum cpufreq_level_request cpufreq_level);
+void exynos4_cpufreq_lock_free(unsigned int nId);