| /* Copyright (c) 2012, The Linux Foundation. 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 version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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. |
| */ |
| |
| #ifndef _ARM_KERNEL_USER_ACCESSIBLE_TIMER_H_ |
| #define _ARM_KERNEL_USER_ACCESSIBLE_TIMER_H_ |
| |
| #define ARM_USER_ACCESSIBLE_TIMERS_INVALID_PAGE -1 |
| |
| extern unsigned long zero_pfn; |
| |
| #ifdef CONFIG_ARM_USE_USER_ACCESSIBLE_TIMERS |
| #ifndef CONFIG_ARM_USER_ACCESSIBLE_TIMER_BASE |
| #define CONFIG_ARM_USER_ACCESSIBLE_TIMER_BASE 0xfffef000 |
| #endif |
| extern void setup_user_timer_offset(unsigned long addr); |
| extern int get_timer_page_address(void); |
| static inline int get_user_accessible_timers_base(void) |
| { |
| return CONFIG_ARM_USER_ACCESSIBLE_TIMER_BASE; |
| } |
| extern void set_user_accessible_timer_flag(bool flag); |
| #else |
| #define CONFIG_ARM_USER_ACCESSIBLE_TIMER_BASE 0 |
| static inline void setup_user_timer_offset(unsigned long addr) |
| { |
| } |
| static inline int get_timer_page_address(void) |
| { |
| return ARM_USER_ACCESSIBLE_TIMERS_INVALID_PAGE; |
| } |
| static inline int get_user_accessible_timers_base(void) |
| { |
| return 0; |
| } |
| static inline void set_user_accessible_timer_flag(bool flag) |
| { |
| } |
| #endif |
| |
| #endif |