1 /*
2 * Copyright (C) 2010, 2013-2014, 2016-2017 ARM Limited. All rights reserved.
3 *
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.
6 *
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.
9 */
10
11 /**
12 * @file mali_osk_time.c
13 * Implementation of the OS abstraction layer for the kernel device driver
14 */
15
16 #include "mali_osk.h"
17 #include <linux/jiffies.h>
18 #include <linux/time.h>
19 #include <asm/delay.h>
20
_mali_osk_time_after_eq(unsigned long ticka,unsigned long tickb)21 mali_bool _mali_osk_time_after_eq(unsigned long ticka, unsigned long tickb)
22 {
23 return time_after_eq(ticka, tickb) ?
24 MALI_TRUE : MALI_FALSE;
25 }
26
_mali_osk_time_mstoticks(u32 ms)27 unsigned long _mali_osk_time_mstoticks(u32 ms)
28 {
29 return msecs_to_jiffies(ms);
30 }
31
_mali_osk_time_tickstoms(unsigned long ticks)32 u32 _mali_osk_time_tickstoms(unsigned long ticks)
33 {
34 return jiffies_to_msecs(ticks);
35 }
36
_mali_osk_time_tickcount(void)37 unsigned long _mali_osk_time_tickcount(void)
38 {
39 return jiffies;
40 }
41
_mali_osk_time_ubusydelay(u32 usecs)42 void _mali_osk_time_ubusydelay(u32 usecs)
43 {
44 udelay(usecs);
45 }
46
_mali_osk_time_get_ns(void)47 u64 _mali_osk_time_get_ns(void)
48 {
49 struct timespec64 tsval;
50 ktime_get_real_ts64(&tsval);
51 return (u64)timespec64_to_ns(&tsval);
52 }
53
_mali_osk_boot_time_get_ns(void)54 u64 _mali_osk_boot_time_get_ns(void)
55 {
56 struct timespec64 tsval;
57 ktime_get_boottime_ts64(&tsval);
58 return (u64)timespec64_to_ns(&tsval);
59 }
60