+++ /dev/null
-/*
- module/comedi_module.h
- header file for kernel-only structures, variables, and constants
-
- COMEDI - Linux Control and Measurement Device Interface
- Copyright (C) 1997-2000 David A. Schleef <ds@stm.lbl.gov>
-
- 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_MODULE_H
-#define _COMEDI_MODULE_H
-
-#include <linux/version.h>
-#include <linux/config.h>
-#include <linux/kdev_t.h>
-#include <linux/malloc.h>
-#include <linux/errno.h>
-#include <linux/comedi.h>
-#include <linux/config.h>
-#include <comedi/version.h>
-
-
-#include "kern_compat.h"
-
-#ifdef CONFIG_COMEDI_RT
-#include <comedi_rt.h>
-#endif
-
-#ifdef CONFIG_COMEDI_DEBUG
-#define DPRINTK(format, args...) printk("comedi: " format , ## args )
-#else
-#define DPRINTK(format, args...) /* */
-#endif
-
-#ifndef COMEDI_VERSION_CODE
-#define COMEDI_VERSION_CODE 0x10000
-#define COMEDI_VERSION "1.0.0"
-#endif
-
-#ifdef MODULE
-#define COMEDI_INITCLEANUP(x) \
- int init_module(void){comedi_driver_register(&(x));return 0;} \
- void cleanup_module(void){comedi_driver_unregister(&(x));}
-#else
-#define COMEDI_INITCLEANUP(x)
-#endif
-typedef struct comedi_device_struct comedi_device;
-typedef struct comedi_subdevice_struct comedi_subdevice;
-typedef struct comedi_driver_struct comedi_driver;
-typedef struct comedi_lrange_struct comedi_lrange;
-
-
-struct comedi_subdevice_struct{
- int type;
- int n_chan;
- int subdev_flags;
- int len_chanlist; /* length of channel/gain list, if available */
-
- void *private;
-
- void *prealloc_buf; /* pre-allocated buffer */
- unsigned int prealloc_bufsz; /* buffer size, in bytes */
-
- void *lock;
- void *busy;
- unsigned int runflags;
-
- int io_bits;
-
- lsampl_t maxdata; /* if maxdata==0, use list */
- lsampl_t *maxdata_list; /* list is channel specific */
-
- unsigned int flags;
- unsigned int *flaglist;
-
- comedi_lrange *range_table;
- comedi_lrange **range_table_list;
-
- unsigned int *chanlist; /* driver-owned chanlist (not used) */
-
-#ifdef CONFIG_COMEDI_MODE_CORE
- comedi_trig cur_trig; /* current trig structure */
-#endif
- comedi_cmd cmd;
-
- volatile unsigned int buf_int_ptr; /* buffer marker for interrupt */
- unsigned int buf_user_ptr; /* buffer marker for read() and write() */
- volatile unsigned int buf_int_count; /* byte count for interrupt */
- unsigned int buf_user_count; /* byte count for read() and write() */
- unsigned int cur_chan; /* useless channel marker for interrupt */
- unsigned int cur_chanlist_len;
-
-#ifdef CONFIG_COMEDI_MODE_CORE
- int (*trig[5])(comedi_device *,comedi_subdevice *,comedi_trig *);
-#endif
-
- int (*insn_read)(comedi_device *,comedi_subdevice *,comedi_insn *,lsampl_t *);
- int (*insn_write)(comedi_device *,comedi_subdevice *,comedi_insn *,lsampl_t *);
- int (*insn_bits)(comedi_device *,comedi_subdevice *,comedi_insn *,lsampl_t *);
- int (*insn_config)(comedi_device *,comedi_subdevice *,comedi_insn *,lsampl_t *);
-
- int (*do_cmd)(comedi_device *,comedi_subdevice *);
- int (*do_cmdtest)(comedi_device *,comedi_subdevice *,comedi_cmd *);
- int (*poll)(comedi_device *,comedi_subdevice *);
- int (*cancel)(comedi_device *,comedi_subdevice *);
- int (*do_lock)(comedi_device *,comedi_subdevice *);
- int (*do_unlock)(comedi_device *,comedi_subdevice *);
-
- unsigned int cb_mask;
- int (*cb_func)(unsigned int flags,void *);
- void *cb_arg;
-
- unsigned int state;
-};
-
-struct comedi_driver_struct{
- struct comedi_driver_struct *next;
-
- char *driver_name;
- struct module *module;
- int (*attach)(comedi_device *,comedi_devconfig *);
- int (*detach)(comedi_device *);
- int (*recognize)(char *name);
-};
-
-struct comedi_device_struct{
- int use_count;
- comedi_driver *driver;
- void *private;
- kdev_t minor;
- char *board_name;
- int board;
- void *board_ptr;
- int attached;
-
- int n_subdevices;
- comedi_subdevice *subdevices;
- int options[COMEDI_NDEVCONFOPTS];
-
- /* dumb */
- int iobase;
- int iosize;
- int irq;
-
- unsigned int read_subdev;
- wait_queue_head_t read_wait;
-
- unsigned int write_subdev;
- wait_queue_head_t write_wait;
-};
-
-
-
-extern comedi_device *comedi_devices;
-
-/*
- * function prototypes
- */
-
-void comedi_error(comedi_device *dev,const char *s);
-void comedi_done(comedi_device *dev,comedi_subdevice *s);
-void comedi_error_done(comedi_device *dev,comedi_subdevice *s);
-void comedi_eos(comedi_device *dev,comedi_subdevice *s);
-void comedi_eobuf(comedi_device *dev,comedi_subdevice *s);
-void comedi_bufcheck(comedi_device *dev,comedi_subdevice *s);
-
-comedi_device * comedi_get_device_by_minor(kdev_t minor);
-
-extern inline comedi_device * comedi_get_device_by_minor(kdev_t minor)
-{
- return comedi_devices+minor;
-}
-
-int comedi_device_detach(comedi_device *dev);
-int comedi_device_attach(comedi_device *dev,comedi_devconfig *it);
-int comedi_driver_register(comedi_driver *);
-int comedi_driver_unregister(comedi_driver *);
-
-comedi_device *comedi_allocate_dev(comedi_driver *);
-void comedi_deallocate_dev(comedi_device *);
-
-void init_polling(void);
-void cleanup_polling(void);
-void start_polling(comedi_device *);
-void stop_polling(comedi_device *);
-
-void comedi_proc_init(void);
-void comedi_proc_cleanup(void);
-
-#ifdef CONFIG_COMEDI_MODE_CORE
-int di_unpack(unsigned int bits,comedi_trig *it);
-int do_pack(unsigned int *bits,comedi_trig *it);
-#endif
-
-#ifndef CONFIG_COMEDI_RT
-
-#define rt_printk(format,args...) printk(format,##args)
-#define rt_printk_init()
-#define rt_printk_cleanup()
-
-#define comedi_request_irq request_irq
-#define comedi_change_irq_flags(a,b,c) /* */
-#define comedi_free_irq free_irq
-
-#endif
-
-
-#define SRF_USER 0x00000001
-#define SRF_RT 0x00000002
-
-
-/*
- various internal comedi functions
- */
-
-int do_rangeinfo_ioctl(comedi_device *dev,comedi_rangeinfo *arg);
-int check_chanlist(comedi_subdevice *s,int n,unsigned int *chanlist);
-
-extern volatile int rtcomedi_lock_semaphore;
-
-/* range stuff */
-
-
-#define RANGE(a,b) {(a)*1e6,(b)*1e6,0}
-#define RANGE_ext(a,b) {(a)*1e6,(b)*1e6,RF_EXTERNAL}
-#define RANGE_unitless(a,b) {(a)*1e6,(b)*1e6,0} /* XXX */
-#define BIP_RANGE(a) {-(a)*1e6,(a)*1e6,0}
-#define UNI_RANGE(a) {0,(a)*1e6,0}
-
-extern comedi_lrange range_bipolar10;
-extern comedi_lrange range_bipolar5;
-extern comedi_lrange range_bipolar2_5;
-extern comedi_lrange range_unipolar10;
-extern comedi_lrange range_unipolar5;
-extern comedi_lrange range_unknown;
-
-#define range_digital range_unipolar5
-
-struct comedi_lrange_struct{
- int length;
- comedi_krange range[0];
-};
-
-
-
-/* some silly little inline functions */
-
-static inline int alloc_subdevices(comedi_device *dev)
-{
- int size=sizeof(comedi_subdevice)*dev->n_subdevices;
-
- dev->subdevices=kmalloc(size,GFP_KERNEL);
- if(!dev->subdevices)
- return -ENOMEM;
- memset(dev->subdevices,0,size);
- return 0;
-}
-
-static inline int alloc_private(comedi_device *dev,int size)
-{
- dev->private=kmalloc(size,GFP_KERNEL);
- if(!dev->private)
- return -ENOMEM;
- memset(dev->private,0,size);
- return 0;
-}
-
-
-#ifdef LINUX_V20
-extern struct symbol_table comedi_syms;
-#endif
-
-
-#endif /* _COMEDI_MODULE_H */
-
-
-
-
projects / comedi.git / commitdiff