69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
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/* arch/arm/mach-msm/perflock.h
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*
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* MSM performance lock driver header
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*
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* Copyright (C) 2008 HTC Corporation
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* Author: Eiven Peng <eiven_peng@htc.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __ARCH_ARM_MACH_PERF_LOCK_H
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#define __ARCH_ARM_MACH_PERF_LOCK_H
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#include <linux/list.h>
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/*
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* Performance level determine differnt EBI1 rate
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*/
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enum {
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PERF_LOCK_MEDIUM, /* Medium performance */
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PERF_LOCK_HIGH, /* High performance */
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PERF_LOCK_HIGHEST, /* Highest performance */
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PERF_LOCK_INVALID,
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};
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struct perf_lock {
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struct list_head link;
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unsigned int flags;
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unsigned int level;
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const char *name;
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};
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struct perflock_platform_data {
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unsigned int *perf_acpu_table;
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unsigned int table_size;
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};
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#ifndef CONFIG_PERFLOCK
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static inline void __init perflock_init(
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struct perflock_platform_data *pdata) { return; }
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static inline void perf_lock_init(struct perf_lock *lock,
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unsigned int level, const char *name) { return; }
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static inline void perf_lock(struct perf_lock *lock) { return; }
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static inline void perf_unlock(struct perf_lock *lock) { return; }
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static inline int is_perf_lock_active(struct perf_lock *lock) { return 0; }
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static inline int is_perf_locked(void) { return 0; }
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#else
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extern void __init perflock_init(struct perflock_platform_data *pdata);
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extern void perf_lock_init(struct perf_lock *lock,
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unsigned int level, const char *name);
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extern void perf_lock(struct perf_lock *lock);
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extern void perf_unlock(struct perf_lock *lock);
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extern int is_perf_lock_active(struct perf_lock *lock);
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extern int is_perf_locked(void);
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#endif
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#endif
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