1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * From coreboot file of the same name 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef _ASM_TURBO_H 10*4882a593Smuzhiyun #define _ASM_TURBO_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define CPUID_LEAF_PM 6 13*4882a593Smuzhiyun #define PM_CAP_TURBO_MODE (1 << 1) 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun enum { 16*4882a593Smuzhiyun TURBO_UNKNOWN, 17*4882a593Smuzhiyun TURBO_UNAVAILABLE, 18*4882a593Smuzhiyun TURBO_DISABLED, 19*4882a593Smuzhiyun TURBO_ENABLED, 20*4882a593Smuzhiyun }; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* Return current turbo state */ 23*4882a593Smuzhiyun int turbo_get_state(void); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /* Enable turbo */ 26*4882a593Smuzhiyun void turbo_enable(void); 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #endif 29