2 * Copyright (C) 2010-2014 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 {
22 struct timer_list timer;
25 typedef void (*timer_timeout_function_t)(unsigned long);
27 _mali_osk_timer_t *_mali_osk_timer_init(void)
29 _mali_osk_timer_t *t = (_mali_osk_timer_t *)kmalloc(sizeof(_mali_osk_timer_t), GFP_KERNEL);
30 if (NULL != t) init_timer(&t->timer);
34 void _mali_osk_timer_add(_mali_osk_timer_t *tim, unsigned long ticks_to_expire)
36 MALI_DEBUG_ASSERT_POINTER(tim);
37 tim->timer.expires = jiffies + ticks_to_expire;
38 add_timer(&(tim->timer));
41 void _mali_osk_timer_mod(_mali_osk_timer_t *tim, unsigned long ticks_to_expire)
43 MALI_DEBUG_ASSERT_POINTER(tim);
44 mod_timer(&(tim->timer), jiffies + ticks_to_expire);
47 void _mali_osk_timer_del(_mali_osk_timer_t *tim)
49 MALI_DEBUG_ASSERT_POINTER(tim);
50 del_timer_sync(&(tim->timer));
53 void _mali_osk_timer_del_async(_mali_osk_timer_t *tim)
55 MALI_DEBUG_ASSERT_POINTER(tim);
56 del_timer(&(tim->timer));
59 mali_bool _mali_osk_timer_pending(_mali_osk_timer_t *tim)
61 MALI_DEBUG_ASSERT_POINTER(tim);
62 return 1 == timer_pending(&(tim->timer));
65 void _mali_osk_timer_setcallback(_mali_osk_timer_t *tim, _mali_osk_timer_callback_t callback, void *data)
67 MALI_DEBUG_ASSERT_POINTER(tim);
68 tim->timer.data = (unsigned long)data;
69 tim->timer.function = (timer_timeout_function_t)callback;
72 void _mali_osk_timer_term(_mali_osk_timer_t *tim)
74 MALI_DEBUG_ASSERT_POINTER(tim);