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Diffstat (limited to 'arch/x86/include/asm/turbo.h')
-rw-r--r--arch/x86/include/asm/turbo.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/include/asm/turbo.h b/arch/x86/include/asm/turbo.h
new file mode 100644
index 0000000..94a6353
--- /dev/null
+++ b/arch/x86/include/asm/turbo.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * From coreboot file of the same name
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ */
+
+#ifndef _ASM_TURBO_H
+#define _ASM_TURBO_H
+
+#define CPUID_LEAF_PM 6
+#define PM_CAP_TURBO_MODE (1 << 1)
+
+enum {
+ TURBO_UNKNOWN,
+ TURBO_UNAVAILABLE,
+ TURBO_DISABLED,
+ TURBO_ENABLED,
+};
+
+/* Return current turbo state */
+int turbo_get_state(void);
+
+/* Enable turbo */
+void turbo_enable(void);
+
+#endif