2 * Copyright (C) 2011-2012 ARM Limited. All rights reserved.
4 * This program is free software and is provided to you under the terms of the GNU General Public License version 2
5 * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
7 * A copy of the licence is included with the program, and can also be obtained from Free Software
8 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
12 * @file mali_osk_timers.c
13 * Implementation of the OS abstraction layer for the kernel device driver
16 #include <linux/timer.h>
17 #include <linux/slab.h>
19 #include "mali_kernel_common.h"
21 struct _mali_osk_timer_t_struct
23 struct timer_list timer;
26 typedef void (*timer_timeout_function_t)(unsigned long);
28 _mali_osk_timer_t *_mali_osk_timer_init(void)
30 _mali_osk_timer_t *t = (_mali_osk_timer_t*)kmalloc(sizeof(_mali_osk_timer_t), GFP_KERNEL);
31 if (NULL != t) init_timer(&t->timer);
35 void _mali_osk_timer_add( _mali_osk_timer_t *tim, u32 ticks_to_expire )
37 MALI_DEBUG_ASSERT_POINTER(tim);
38 tim->timer.expires = jiffies + ticks_to_expire;
39 add_timer(&(tim->timer));
42 void _mali_osk_timer_mod( _mali_osk_timer_t *tim, u32 ticks_to_expire)
44 MALI_DEBUG_ASSERT_POINTER(tim);
45 mod_timer(&(tim->timer), jiffies + ticks_to_expire);
48 void _mali_osk_timer_del( _mali_osk_timer_t *tim )
50 MALI_DEBUG_ASSERT_POINTER(tim);
51 del_timer_sync(&(tim->timer));
54 void _mali_osk_timer_del_async( _mali_osk_timer_t *tim )
56 MALI_DEBUG_ASSERT_POINTER(tim);
57 del_timer(&(tim->timer));
60 mali_bool _mali_osk_timer_pending( _mali_osk_timer_t *tim )
62 MALI_DEBUG_ASSERT_POINTER(tim);
63 return 1 == timer_pending(&(tim->timer));
66 void _mali_osk_timer_setcallback( _mali_osk_timer_t *tim, _mali_osk_timer_callback_t callback, void *data )
68 MALI_DEBUG_ASSERT_POINTER(tim);
69 tim->timer.data = (unsigned long)data;
70 tim->timer.function = (timer_timeout_function_t)callback;
73 void _mali_osk_timer_term( _mali_osk_timer_t *tim )
75 MALI_DEBUG_ASSERT_POINTER(tim);