main.c File Reference

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/poll.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/timer.h>
#include <linux/version.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/device.h>
#include <linux/ioport.h>
#include <asm/atomic.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include "arinc.h"
#include "Condor/CEI420A/Include/utildefs.h"
#include <nidas/linux/ver_macros.h>
#include <nidas/linux/types.h>
#include <nidas/linux/util.h>
#include <nidas/linux/isa_bus.h>
#include <nidas/linux/klog.h>
#include <nidas/linux/Revision.h>

Classes
struct	arinc_board
struct	arinc_dev
	Device structure used in the file operations of the character device which provides ARINC samples. More...

Macros
#define	TIMESYNC_SECS   10
#define	REPO_REVISION   "unknown"
#define	ARINC_SAMPLE_QUEUE_SIZE   8
#define	BOARD_NUM   0
#define	ARINC_IOMEM_SIZE   (4096)
#define	DEVNAME_ARINC   "arinc"
	Info for ARINC user devices. More...

Functions
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("John Wasinger <wasinger@ucar.edu>")
	MODULE_DESCRIPTION ("CEI420a ISA driver for Linux")
	MODULE_VERSION (REPO_REVISION)
	module_param (iomem, uint, 0)
	MODULE_PARM_DESC (iomem,"ISA memory base (default 0xd0000)")
static void	log_error (short board, short err)
static short	roundUpRate (short rate)
static void	arinc_timesync (struct timer_list *_tlist)
static void	arinc_sweep (struct timer_list *tlist)
static int	arinc_open (struct inode *inode, struct file *filp)
static long	arinc_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
static unsigned int	arinc_poll (struct file *filp, poll_table *wait)
static ssize_t	arinc_read (struct file *filp, char __user *buf, size_t count, loff_t *pos)
static ssize_t	arinc_write (struct file *filp, const char __user *buf, size_t count, loff_t *pos)
static int	arinc_release (struct inode *inode, struct file *filp)
static void	arinc_cleanup (void)
static int	scan_ceiisa (void)
static int __init	arinc_init (void)
	module_init (arinc_init)
	module_exit (arinc_cleanup)

Variables
unsigned int	iomem = 0xd0000
static struct arinc_board	board
static struct arinc_dev *	chn_info = 0
static dev_t	arinc_device = MKDEV(0, 0)
static struct cdev	arinc_cdev
static struct file_operations	arinc_fops

Macro Definition Documentation

#define ARINC_IOMEM_SIZE   (4096)

Referenced by arinc_cleanup(), and arinc_init().

#define ARINC_SAMPLE_QUEUE_SIZE   8

Referenced by arinc_open(), and arinc_sweep().

#define BOARD_NUM   0

Referenced by arinc_cleanup(), arinc_init(), arinc_ioctl(), arinc_open(), arinc_release(), arinc_sweep(), arinc_timesync(), and arinc_write().

#define DEVNAME_ARINC   "arinc"

Info for ARINC user devices.

#define REPO_REVISION   "unknown"

Referenced by arinc_init().

#define TIMESYNC_SECS   10

Referenced by arinc_init(), and arinc_timesync().

Function Documentation

static void arinc_cleanup ( void  )

static

References arinc_cdev, arinc_device, ARINC_IOMEM_SIZE, board, BOARD_NUM, arinc_board::class, arinc_board::device, err, flush_irig_callbacks(), free_dsm_circ_buf(), log_error(), arinc_board::mapaddr, N_ARINC_RX, N_ARINC_TX, arinc_board::physaddr, arinc_dev::samples, arinc_dev::sweeper, arinc_board::syncer, and unregister_irig_callback().

Referenced by arinc_init().

static int __init arinc_init ( void  )

static

References AR_HIGH, arinc_cdev, arinc_cleanup(), arinc_device, ARINC_IOMEM_SIZE, arinc_sweep(), arinc_timesync(), board, BOARD_NUM, arinc_board::class, arinc_board::device, arinc_dev::deviceName, err, iomem, IRIG_1_HZ, arinc_board::lock, log_error(), arinc_board::mapaddr, MSECS_PER_SEC, N_ARINC_RX, N_ARINC_TX, arinc_board::numRxChannelsOpen, arinc_board::physaddr, register_irig_callback(), REPO_REVISION, arinc_dev::rwaitq, scan_ceiisa(), arinc_dev::sweeper, arinc_board::sync_jiffies, arinc_board::syncer, TIMESYNC_SECS, and arinc_dev::used.

static long arinc_ioctl ( struct file *  filp, unsigned int  cmd, unsigned long  arg  )

static

References AR_EVEN, AR_HIGH, AR_LOW, AR_ODD, arinc_dev::arcfgs, ARINC_BIT, ARINC_IOC_MAXNR, ARINC_MAGIC, ARINC_OPEN, ARINC_SET, ARINC_STAT, arinc_sweep(), board, BOARD_NUM, arinc_dev::deviceName, err, if(), IRIG_NUM_RATES, irigClockRateToEnum(), arcfg_t::label, arinc_board::lock, log_error(), LPB, dsm_arinc_status::lps, MSECS_PER_SEC, N_ARINC_RX, arinc_dev::nArcfg, archn_t::parity, arinc_dev::parity, arinc_dev::pollDtMsec, dsm_arinc_status::pollRate, arcfg_t::rate, arinc_dev::rate, register_irig_callback(), roundUpRate(), arinc_board::running, archn_t::speed, arinc_dev::speed, arinc_dev::status, arinc_dev::sweep_jiffies, and arinc_dev::sweeper.

static int arinc_open ( struct inode *  inode, struct file *  filp  )

static

References AR_HIGH, AR_ODD, ARINC_SAMPLE_QUEUE_SIZE, board, BOARD_NUM, err, arinc_board::lock, log_error(), LPB, arinc_dev::lps_cnt_current, N_ARINC_RX, N_ARINC_TX, arinc_dev::nArcfg, arinc_dev::nSweeps, arinc_board::numRxChannelsOpen, arinc_dev::rate, arinc_dev::read_state, realloc_dsm_circ_buf(), arinc_dev::samples, arinc_dev::skippedSamples, arinc_dev::status, and arinc_dev::used.

static unsigned int arinc_poll ( struct file *  filp, poll_table *  wait  )

static

References if(), arinc_dev::read_state, arinc_dev::rwaitq, and arinc_dev::samples.

static ssize_t arinc_read ( struct file *  filp, char __user *  buf, size_t  count, loff_t *  pos  )

static

References if(), nidas_circbuf_read(), arinc_dev::read_state, arinc_dev::rwaitq, and arinc_dev::samples.

static int arinc_release ( struct inode *  inode, struct file *  filp  )

static

References board, BOARD_NUM, err, flush_irig_callbacks(), free_dsm_circ_buf(), arinc_board::lock, log_error(), N_ARINC_RX, arinc_board::numRxChannelsOpen, arinc_board::running, arinc_dev::samples, arinc_dev::sweeper, unregister_irig_callback(), and arinc_dev::used.

static void arinc_sweep ( struct timer_list *  tlist )

static

References ARINC_SAMPLE_QUEUE_SIZE, board, BOARD_NUM, dsm_sample::data, arinc_dev::deviceName, err, dsm_sample::length, arinc_board::lock, LPB, dsm_arinc_status::lps_cnt, arinc_dev::lps_cnt_current, dsm_arinc_status::nosync, arinc_dev::nSweeps, dsm_arinc_status::overflow, arinc_dev::pollDtMsec, dsm_arinc_status::pollRate, arinc_dev::rwaitq, arinc_dev::samples, arinc_dev::skippedSamples, arinc_dev::status, arinc_dev::sweep_jiffies, arinc_dev::sweeper, dsm_sample::timetag, and dsm_arinc_status::underflow.

Referenced by arinc_init(), and arinc_ioctl().

static void arinc_timesync ( struct timer_list *  _tlist )

static

References board, BOARD_NUM, arinc_board::lock, MSECS_PER_SEC, arinc_board::sync_jiffies, arinc_board::syncer, and TIMESYNC_SECS.

Referenced by arinc_init().

static ssize_t arinc_write ( struct file *  filp, const char __user *  buf, size_t  count, loff_t *  pos  )

static

References BOARD_NUM, err, log_error(), and N_ARINC_RX.

static void log_error ( short  board, short  err  )

static

Referenced by arinc_cleanup(), arinc_init(), arinc_ioctl(), arinc_open(), arinc_release(), and arinc_write().

MODULE_AUTHOR

(

"John Wasinger <wasinger@ucar.edu>"

)

MODULE_DESCRIPTION

(

"CEI420a ISA driver for Linux"

)

module_exit

(

arinc_cleanup

)

module_init

(

arinc_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	iomem	,
		uint	,
		0
	)

MODULE_PARM_DESC	(	iomem	,
		"ISA memory base (default 0xd0000)"
	)

MODULE_VERSION

(

REPO_REVISION

)

static short roundUpRate ( short  rate )

static

References rate.

Referenced by arinc_ioctl().

static int scan_ceiisa ( void  )

static

References board, arinc_board::mapaddr, and arinc_board::physaddr.

Referenced by arinc_init().

Variable Documentation

struct cdev arinc_cdev

static

Referenced by arinc_cleanup(), and arinc_init().

dev_t arinc_device = MKDEV(0, 0)

static

Referenced by arinc_cleanup(), and arinc_init().

struct file_operations arinc_fops

static

Initial value:

= {
    .owner   = THIS_MODULE,
    .open    = arinc_open,
    .unlocked_ioctl   = arinc_ioctl,
    .poll    = arinc_poll,
    .read    = arinc_read,
    .write   = arinc_write,
    .release = arinc_release,
    .llseek  = no_llseek,
}

struct arinc_board board

static

Referenced by arinc_cleanup(), arinc_init(), arinc_ioctl(), arinc_open(), arinc_release(), arinc_sweep(), arinc_timesync(), and scan_ceiisa().

struct arinc_dev* chn_info = 0

static

unsigned int iomem = 0xd0000

Referenced by arinc_init().