diff options
Diffstat (limited to 'drivers/gpu/mali400/r3p2/mali/linux/mali_osk_timers.c')
-rw-r--r-- | drivers/gpu/mali400/r3p2/mali/linux/mali_osk_timers.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_timers.c b/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_timers.c new file mode 100644 index 0000000..0e28b32 --- /dev/null +++ b/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_timers.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2010-2012 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. + * + * A copy of the licence is included with the program, and can also be obtained from Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/** + * @file mali_osk_timers.c + * Implementation of the OS abstraction layer for the kernel device driver + */ + +#include <linux/timer.h> +#include <linux/slab.h> +#include "mali_osk.h" +#include "mali_kernel_common.h" + +struct _mali_osk_timer_t_struct +{ + struct timer_list timer; +}; + +typedef void (*timer_timeout_function_t)(unsigned long); + +_mali_osk_timer_t *_mali_osk_timer_init(void) +{ + _mali_osk_timer_t *t = (_mali_osk_timer_t*)kmalloc(sizeof(_mali_osk_timer_t), GFP_KERNEL); + if (NULL != t) init_timer(&t->timer); + return t; +} + +void _mali_osk_timer_add( _mali_osk_timer_t *tim, u32 ticks_to_expire ) +{ + MALI_DEBUG_ASSERT_POINTER(tim); + tim->timer.expires = jiffies + ticks_to_expire; + add_timer(&(tim->timer)); +} + +void _mali_osk_timer_mod( _mali_osk_timer_t *tim, u32 ticks_to_expire) +{ + MALI_DEBUG_ASSERT_POINTER(tim); + mod_timer(&(tim->timer), jiffies + ticks_to_expire); +} + +void _mali_osk_timer_del( _mali_osk_timer_t *tim ) +{ + MALI_DEBUG_ASSERT_POINTER(tim); + del_timer_sync(&(tim->timer)); +} + +void _mali_osk_timer_del_async( _mali_osk_timer_t *tim ) +{ + MALI_DEBUG_ASSERT_POINTER(tim); + del_timer(&(tim->timer)); +} + +mali_bool _mali_osk_timer_pending( _mali_osk_timer_t *tim ) +{ + MALI_DEBUG_ASSERT_POINTER(tim); + return 1 == timer_pending(&(tim->timer)); +} + +void _mali_osk_timer_setcallback( _mali_osk_timer_t *tim, _mali_osk_timer_callback_t callback, void *data ) +{ + MALI_DEBUG_ASSERT_POINTER(tim); + tim->timer.data = (unsigned long)data; + tim->timer.function = (timer_timeout_function_t)callback; +} + +void _mali_osk_timer_term( _mali_osk_timer_t *tim ) +{ + MALI_DEBUG_ASSERT_POINTER(tim); + kfree(tim); +} |