66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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* Copyright (C) 2010-2011 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained from Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* @file mali_osk_timers.c
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* Implementation of the OS abstraction layer for the kernel device driver
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*/
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#include <linux/timer.h>
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#include <linux/slab.h>
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#include "mali_osk.h"
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#include "mali_kernel_common.h"
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struct _mali_osk_timer_t_struct
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{
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struct timer_list timer;
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};
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typedef void (*timer_timeout_function_t)(unsigned long);
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_mali_osk_timer_t *_mali_osk_timer_init(void)
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{
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_mali_osk_timer_t *t = (_mali_osk_timer_t*)kmalloc(sizeof(_mali_osk_timer_t), GFP_KERNEL);
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if (NULL != t) init_timer(&t->timer);
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return t;
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}
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void _mali_osk_timer_add( _mali_osk_timer_t *tim, u32 ticks_to_expire )
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{
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MALI_DEBUG_ASSERT_POINTER(tim);
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tim->timer.expires = _mali_osk_time_tickcount() + ticks_to_expire;
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add_timer(&(tim->timer));
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}
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void _mali_osk_timer_mod( _mali_osk_timer_t *tim, u32 expiry_tick)
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{
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MALI_DEBUG_ASSERT_POINTER(tim);
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mod_timer(&(tim->timer), expiry_tick);
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}
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void _mali_osk_timer_del( _mali_osk_timer_t *tim )
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{
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MALI_DEBUG_ASSERT_POINTER(tim);
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del_timer_sync(&(tim->timer));
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}
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void _mali_osk_timer_setcallback( _mali_osk_timer_t *tim, _mali_osk_timer_callback_t callback, void *data )
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{
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MALI_DEBUG_ASSERT_POINTER(tim);
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tim->timer.data = (unsigned long)data;
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tim->timer.function = (timer_timeout_function_t)callback;
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}
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void _mali_osk_timer_term( _mali_osk_timer_t *tim )
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{
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MALI_DEBUG_ASSERT_POINTER(tim);
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kfree(tim);
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}
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