| /* |
| * Copyright (c) 2013-2015,2017 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_TIMER_PVT_H |
| #define _ADF_CMN_OS_TIMER_PVT_H |
| |
| #include <linux/version.h> |
| #include <linux/delay.h> |
| #include <linux/timer.h> |
| #include <linux/jiffies.h> |
| #include <adf_os_types.h> |
| #include <linux/hrtimer.h> |
| |
| #define ADF_DEFERRABLE_TIMER 0 |
| #define ADF_NON_DEFERRABLE_TIMER 1 |
| |
| /* |
| * timer data type |
| */ |
| typedef struct timer_list __adf_os_timer_t; |
| typedef struct hrtimer __adf_os_hrtimer_t; |
| |
| typedef enum { |
| ADF_OS_HRTIMER_NORESTART = HRTIMER_NORESTART, |
| ADF_OS_HRTIMER_RESTART = HRTIMER_RESTART, |
| } __adf_os_enum_hrtimer_t; |
| |
| typedef enum hrtimer_restart (*__adf_os_hrtimer_func_t) (struct hrtimer *); |
| |
| |
| |
| /* |
| * ugly - but every other OS takes, sanely, a void* |
| */ |
| |
| typedef void (*adf_dummy_timer_func_t)(unsigned long arg); |
| |
| /* |
| * Initialize a timer |
| */ |
| static inline a_status_t |
| __adf_os_timer_init(adf_os_handle_t hdl, |
| struct timer_list *timer, |
| adf_os_timer_func_t func, |
| void *arg, |
| uint8_t type) |
| { |
| if (ADF_DEFERRABLE_TIMER == type) |
| init_timer_deferrable(timer); |
| else |
| init_timer(timer); |
| timer->function = (adf_dummy_timer_func_t)func; |
| timer->data = (unsigned long)arg; |
| |
| return A_STATUS_OK; |
| } |
| |
| /* |
| * Initialize a timer |
| */ |
| static inline a_status_t |
| __adf_os_hrtimer_init(adf_os_handle_t hdl, |
| struct hrtimer *timer, |
| __adf_os_hrtimer_func_t func) |
| { |
| hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
| timer->function = func; |
| return A_STATUS_OK; |
| } |
| |
| |
| /* |
| * start a timer |
| */ |
| static inline a_status_t |
| __adf_os_hrtimer_start(struct hrtimer *timer, a_uint64_t delay) |
| { |
| hrtimer_start(timer, ktime_set(0, delay), HRTIMER_MODE_REL); |
| return A_STATUS_OK; |
| } |
| |
| /* |
| * start a timer |
| */ |
| static inline a_status_t |
| __adf_os_timer_start(struct timer_list *timer, a_uint32_t delay) |
| { |
| timer->expires = jiffies + msecs_to_jiffies(delay); |
| add_timer(timer); |
| |
| return A_STATUS_OK; |
| } |
| |
| |
| /* |
| * modify a timer |
| */ |
| static inline a_status_t |
| __adf_os_timer_mod(struct timer_list *timer, a_uint32_t delay) |
| { |
| mod_timer(timer, jiffies + msecs_to_jiffies(delay)); |
| |
| return A_STATUS_OK; |
| } |
| |
| /* |
| * Cancel a timer |
| * |
| * Return: TRUE if timer was cancelled and deactived, |
| * FALSE if timer was cancelled but already got fired. |
| */ |
| static inline a_bool_t |
| __adf_os_timer_cancel(struct timer_list *timer) |
| { |
| if (likely(del_timer(timer))) |
| return 1; |
| else |
| return 0; |
| } |
| |
| static inline a_bool_t |
| __adf_os_hrtimer_cancel(struct hrtimer *timer) |
| { |
| hrtimer_cancel(timer); |
| return true; |
| } |
| |
| /* |
| * Free a timer |
| * |
| * Return: TRUE if timer was cancelled and deactived, |
| * FALSE if timer was cancelled but already got fired. |
| */ |
| static inline void |
| __adf_os_timer_free(struct timer_list *timer) |
| { |
| del_timer_sync(timer); |
| } |
| |
| /* |
| * XXX Synchronously canel a timer |
| * |
| * Return: TRUE if timer was cancelled and deactived, |
| * FALSE if timer was cancelled but already got fired. |
| * |
| * Synchronization Rules: |
| * 1. caller must make sure timer function will not use |
| * adf_os_set_timer to add iteself again. |
| * 2. caller must not hold any lock that timer function |
| * is likely to hold as well. |
| * 3. It can't be called from interrupt context. |
| */ |
| static inline a_bool_t |
| __adf_os_timer_sync_cancel(struct timer_list *timer) |
| { |
| return del_timer_sync(timer); |
| } |
| |
| |
| |
| #endif /*_ADF_OS_TIMER_PVT_H*/ |