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path: root/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_timers.c
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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.c77
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);
+}