| /* |
| * Copyright (c) 2013, 2017 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| |
| #ifndef _ADF_CMN_OS_TIME_PVT_H |
| #define _ADF_CMN_OS_TIME_PVT_H |
| |
| #include <linux/jiffies.h> |
| #include <linux/delay.h> |
| |
| typedef unsigned long __adf_time_t; |
| |
| static inline __adf_time_t |
| __adf_os_ticks(void) |
| { |
| return (jiffies); |
| } |
| static inline uint32_t |
| __adf_os_ticks_to_msecs(unsigned long ticks) |
| { |
| return (jiffies_to_msecs(ticks)); |
| } |
| static inline __adf_time_t |
| __adf_os_msecs_to_ticks(a_uint32_t msecs) |
| { |
| return (msecs_to_jiffies(msecs)); |
| } |
| static inline __adf_time_t |
| __adf_os_getuptime(void) |
| { |
| return jiffies; |
| } |
| |
| static inline __adf_time_t |
| __adf_os_gettimestamp(void) |
| { |
| return ((jiffies / HZ) * 1000) + (jiffies % HZ) * (1000 / HZ); |
| } |
| |
| static inline void |
| __adf_os_udelay(a_uint32_t usecs) |
| { |
| #ifdef CONFIG_ARM |
| /* |
| ** This is in support of XScale build. They have a limit on the udelay |
| ** value, so we have to make sure we don't approach the limit |
| */ |
| |
| a_uint32_t mticks; |
| a_uint32_t leftover; |
| int i; |
| |
| /* |
| ** slice into 1024 usec chunks (simplifies calculation) |
| */ |
| |
| mticks = usecs >> 10; |
| leftover = usecs - (mticks << 10); |
| |
| for(i = 0;i < mticks;i++) |
| { |
| udelay(1024); |
| } |
| |
| udelay(leftover); |
| |
| #else |
| /* |
| * Normal Delay functions. Time specified in microseconds. |
| */ |
| udelay(usecs); |
| |
| #endif |
| } |
| |
| static inline void |
| __adf_os_mdelay(a_uint32_t msecs) |
| { |
| mdelay(msecs); |
| } |
| |
| static inline void |
| __adf_os_msleep(a_uint32_t msecs) |
| { |
| msleep(msecs); |
| } |
| |
| /** |
| * @brief Check if _a is later than _b. |
| */ |
| static inline a_bool_t |
| __adf_os_time_after(__adf_time_t a, __adf_time_t b) |
| { |
| return ((long)(b) - (long)(a) < 0); |
| } |
| |
| /** |
| * @brief Check if _a is prior to _b. |
| */ |
| static inline a_bool_t |
| __adf_os_time_before(__adf_time_t a, __adf_time_t b) |
| { |
| return __adf_os_time_after(b,a); |
| } |
| |
| /** |
| * @brief Check if _a atleast as recent as _b, if not later. |
| */ |
| static inline a_bool_t |
| __adf_os_time_after_eq(__adf_time_t a, __adf_time_t b) |
| { |
| return ((long)(a) - (long)(b) >= 0); |
| } |
| |
| #endif |