ir104.c File Reference

#include <linux/module.h>
#include <linux/version.h>
#include <linux/types.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/poll.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include "ir104.h"
#include <nidas/linux/Revision.h>
#include <nidas/linux/ver_macros.h>
#include <nidas/linux/klog.h>
#include <nidas/linux/isa_bus.h>

Macros
#define	REPO_REVISION   "unknown"

Functions
	module_param_array (ioports, int, num_boards, S_IRUGO)
	MODULE_AUTHOR ("Gordon Maclean <maclean@ucar.edu>")
	MODULE_DESCRIPTION ("driver module for Diamond Systems IR104 card")
	MODULE_LICENSE ("Dual BSD/GPL")
	MODULE_VERSION (REPO_REVISION)
static void	add_sample (struct IR104 *brd)
static void	set_douts (struct IR104 *brd, const unsigned char *bits)
static void	clear_douts (struct IR104 *brd, const unsigned char *bits)
static void	set_douts_val (struct IR104 *brd, const unsigned char *bits, const unsigned char *value)
static void	get_douts (struct IR104 *brd, unsigned char *bits)
static void	get_dins (struct IR104 *brd, unsigned char *bits)
static int	ir104_open (struct inode *inode, struct file *filp)
static int	ir104_release (struct inode *inode, struct file *filp)
static long	ir104_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
static unsigned int	ir104_relay_poll (struct file *filp, poll_table *wait)
static ssize_t	ir104_relay_read (struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
static void	ir104_cleanup (void)
static int __init	ir104_init (void)
	module_init (ir104_init)
	module_exit (ir104_cleanup)

Variables
static dev_t	ir104_device = MKDEV(0,0)
static unsigned int	ioports [IR104_MAX_BOARDS] = {0,0,0,0}
static int	num_boards = 0
static struct IR104 *	boards = 0
static struct class *	ir104_class
static struct file_operations	ir104_fops

Macro Definition Documentation

REPO_REVISION

#define REPO_REVISION   "unknown"

Referenced by ir104_init().

Function Documentation

add_sample()

static void add_sample ( struct IR104 * brd )

static

Referenced by ir104_ioctl().

clear_douts()

static void clear_douts ( struct IR104 * brd, const unsigned char * bits )

static

Referenced by ir104_ioctl().

get_dins()

static void get_dins ( struct IR104 * brd, unsigned char * bits )

static

get_douts()

static void get_douts ( struct IR104 * brd, unsigned char * bits )

static

ir104_cleanup()

static void ir104_cleanup ( void )

static

References boards, free_dsm_circ_buf(), ir104_class, ir104_device, IR104_IO_REGION_SIZE, and num_boards.

Referenced by ir104_init().

ir104_init()

static int __init ir104_init ( void )

static

References alloc_dsm_circ_buf(), boards, err, ioports, ir104_class, ir104_cleanup(), ir104_device, ir104_fops, IR104_IO_REGION_SIZE, IR104_MAX_BOARDS, num_boards, and REPO_REVISION.

ir104_ioctl()

static long ir104_ioctl ( struct file * filp, unsigned int cmd, unsigned long arg )

static

References add_sample(), clear_douts(), err, get_dins(), get_douts(), IR104_CLEAR, IR104_GET_DIN, IR104_GET_DOUT, IR104_GET_NIN, IR104_GET_NOUT, IR104_IOC_MAGIC, IR104_IOC_MAXNR, IR104_NIN, IR104_NOUT, IR104_SET, IR104_SET_TO_VAL, set_douts(), and set_douts_val().

ir104_open()

static int ir104_open ( struct inode * inode, struct file * filp )

static

References boards, and num_boards.

ir104_relay_poll()

static unsigned int ir104_relay_poll ( struct file * filp, poll_table * wait )

static

ir104_relay_read()

static ssize_t ir104_relay_read ( struct file * filp, char __user * buf, size_t count, loff_t * f_pos )

static

References nidas_circbuf_read().

ir104_release()

static int ir104_release ( struct inode * inode, struct file * filp )

static

MODULE_AUTHOR()

MODULE_AUTHOR

(

"Gordon Maclean <maclean@ucar.edu>"

)

MODULE_DESCRIPTION()

MODULE_DESCRIPTION

(

"driver module for Diamond Systems IR104 card"

)

module_exit()

module_exit

(

ir104_cleanup

)

module_init()

module_init

(

ir104_init

)

MODULE_LICENSE()

MODULE_LICENSE

(

"Dual BSD/GPL"

)

module_param_array()

module_param_array	(	ioports	,
		int	,
		num_boards	,
		S_IRUGO	)

MODULE_VERSION()

MODULE_VERSION

(

REPO_REVISION

)

set_douts()

static void set_douts ( struct IR104 * brd, const unsigned char * bits )

static

Referenced by ir104_ioctl().

set_douts_val()

static void set_douts_val ( struct IR104 * brd, const unsigned char * bits, const unsigned char * value )

static

Referenced by ir104_ioctl().

Variable Documentation

boards

struct IR104* boards = 0

static

Referenced by ir104_cleanup(), ir104_init(), and ir104_open().

ioports

unsigned int ioports[IR104_MAX_BOARDS] = {0,0,0,0}

static

Referenced by ir104_init().

ir104_class

struct class* ir104_class

static

Referenced by ir104_cleanup(), and ir104_init().

ir104_device

dev_t ir104_device = MKDEV(0,0)

static

Referenced by ir104_cleanup(), and ir104_init().

ir104_fops

struct file_operations ir104_fops

static

Initial value:

= {
        .owner = THIS_MODULE,
        .open = ir104_open,
        .unlocked_ioctl = ir104_ioctl,
        .read = ir104_relay_read,
        .poll = ir104_relay_poll,
        .release = ir104_release,
        .llseek  = no_llseek,
}

Referenced by ir104_init().

num_boards

int num_boards = 0

static

Referenced by ir104_cleanup(), ir104_init(), and ir104_open().