diff options
Diffstat (limited to 'drivers/staging/comedi/comedi_rt.h')
-rw-r--r-- | drivers/staging/comedi/comedi_rt.h | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/drivers/staging/comedi/comedi_rt.h b/drivers/staging/comedi/comedi_rt.h deleted file mode 100644 index 169ca963312a..000000000000 --- a/drivers/staging/comedi/comedi_rt.h +++ /dev/null @@ -1,149 +0,0 @@ -/* - module/comedi_rt.h - header file for real-time structures, variables, and constants - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ - -#ifndef _COMEDI_RT_H -#define _COMEDI_RT_H - -#ifndef _COMEDIDEV_H -#error comedi_rt.h should only be included by comedidev.h -#endif - -#include <linux/kdev_t.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/spinlock.h> -#include <linux/delay.h> - -#ifdef CONFIG_COMEDI_RT - -#ifdef CONFIG_COMEDI_RTAI -#include <rtai.h> -#include <rtai_sched.h> -#include <rtai_version.h> -#endif -#ifdef CONFIG_COMEDI_RTL -#include <rtl_core.h> -#include <rtl_time.h> -/* #ifdef RTLINUX_VERSION_CODE */ -#include <rtl_sync.h> -/* #endif */ -#define rt_printk rtl_printf -#endif -#ifdef CONFIG_COMEDI_FUSION -#define rt_printk(format, args...) printk(format , ## args) -#endif /* CONFIG_COMEDI_FUSION */ -#ifdef CONFIG_PRIORITY_IRQ -#define rt_printk printk -#endif - -int comedi_request_irq(unsigned int irq, irqreturn_t(*handler) (int, - void *PT_REGS_ARG), unsigned long flags, const char *device, - struct comedi_device *dev_id); -void comedi_free_irq(unsigned int irq, struct comedi_device *dev_id); -void comedi_rt_init(void); -void comedi_rt_cleanup(void); -int comedi_switch_to_rt(struct comedi_device *dev); -void comedi_switch_to_non_rt(struct comedi_device *dev); -void comedi_rt_pend_wakeup(wait_queue_head_t *q); -extern int rt_pend_call(void (*func) (int arg1, void *arg2), int arg1, - void *arg2); - -#else - -#define comedi_request_irq(a, b, c, d, e) request_irq(a, b, c, d, e) -#define comedi_free_irq(a, b) free_irq(a, b) -#define comedi_rt_init() do {} while (0) -#define comedi_rt_cleanup() do {} while (0) -#define comedi_switch_to_rt(a) (-1) -#define comedi_switch_to_non_rt(a) do {} while (0) -#define comedi_rt_pend_wakeup(a) do {} while (0) - -#define rt_printk(format, args...) printk(format, ##args) - -#endif - -/* Define a spin_lock_irqsave function that will work with rt or without. - * Use inline functions instead of just macros to enforce some type checking. - */ -#define comedi_spin_lock_irqsave(lock_ptr, flags) \ - (flags = __comedi_spin_lock_irqsave(lock_ptr)) - -static inline unsigned long __comedi_spin_lock_irqsave(spinlock_t *lock_ptr) -{ - unsigned long flags; - -#if defined(CONFIG_COMEDI_RTAI) - flags = rt_spin_lock_irqsave(lock_ptr); - -#elif defined(CONFIG_COMEDI_RTL) - rtl_spin_lock_irqsave(lock_ptr, flags); - -#elif defined(CONFIG_COMEDI_RTL_V1) - rtl_spin_lock_irqsave(lock_ptr, flags); - -#elif defined(CONFIG_COMEDI_FUSION) - rthal_spin_lock_irqsave(lock_ptr, flags); -#else - spin_lock_irqsave(lock_ptr, flags); - -#endif - - return flags; -} - -static inline void comedi_spin_unlock_irqrestore(spinlock_t *lock_ptr, - unsigned long flags) -{ - -#if defined(CONFIG_COMEDI_RTAI) - rt_spin_unlock_irqrestore(flags, lock_ptr); - -#elif defined(CONFIG_COMEDI_RTL) - rtl_spin_unlock_irqrestore(lock_ptr, flags); - -#elif defined(CONFIG_COMEDI_RTL_V1) - rtl_spin_unlock_irqrestore(lock_ptr, flags); -#elif defined(CONFIG_COMEDI_FUSION) - rthal_spin_unlock_irqrestore(lock_ptr, flags); -#else - spin_unlock_irqrestore(lock_ptr, flags); - -#endif - -} - -/* define a RT safe udelay */ -static inline void comedi_udelay(unsigned int usec) -{ -#if defined(CONFIG_COMEDI_RTAI) - static const int nanosec_per_usec = 1000; - rt_busy_sleep(usec * nanosec_per_usec); -#elif defined(CONFIG_COMEDI_RTL) - static const int nanosec_per_usec = 1000; - rtl_delay(usec * nanosec_per_usec); -#else - udelay(usec); -#endif -} - -#endif |