pcmcom8.c File Reference

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/fcntl.h>
#include <linux/ioport.h>
#include <asm/io.h>
#include <linux/uaccess.h>
#include <linux/version.h>
#include <linux/utsname.h>
#include <nidas/linux/ver_macros.h>
#include <nidas/linux/isa_bus.h>
#include <nidas/linux/klog.h>
#include "pcmcom8.h"
#include <nidas/linux/Revision.h>

Macros
#define	DRIVER_NAME   "pcmcom8"
#define	REPO_REVISION   "unknown"
#define	PCMCOM8_LOCK(x)   mutex_lock_interruptible(x)
#define	PCMCOM8_UNLOCK(x)   mutex_unlock(x)

Functions
	module_param_array (ioports, uint, pcmcom8_numboards, S_IRUGO)
	MODULE_AUTHOR ("Gordon Maclean")
	MODULE_DESCRIPTION ("driver module to initialize pcmcom8 serial port card")
	MODULE_LICENSE ("Dual BSD/GPL")
	MODULE_VERSION (REPO_REVISION)
static int	pcmcom8_check_config (struct pcmcom8_config *config)
static void	pcmcom8_enable_ports (pcmcom8_board *brd)
static void	pcmcom8_read_config (pcmcom8_board *brd)
static int	pcmcom8_write_config (pcmcom8_board *brd, struct pcmcom8_config *config)
static int	pcmcom8_wait_eedone (pcmcom8_board *brd)
static int	pcmcom8_write_eeprom (pcmcom8_board *brd, int eeaddr, unsigned int value)
static int	pcmcom8_read_eeconfig (pcmcom8_board *brd, struct pcmcom8_config *config, int eeaddr)
static int	pcmcom8_write_eeconfig (pcmcom8_board *brd, struct pcmcom8_config *config, int eeaddr)
static int	pcmcom8_load_config_from_eeprom (pcmcom8_board *brd, int eeaddr)
static int	pcmcom8_open (struct inode *inode, struct file *filp)
static int	pcmcom8_release (struct inode *inode, struct file *filp)
static long	pcmcom8_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
static void	pcmcom8_cleanup_module (void)
static int __init	pcmcom8_init_module (void)
	module_init (pcmcom8_init_module)
	module_exit (pcmcom8_cleanup_module)

Variables
static unsigned long	ioport_base = (unsigned long) SYSTEM_ISA_IOPORT_BASE
static int	pcmcom8_major = PCMCOM8_MAJOR
static unsigned int	ioports [PCMCOM8_MAX_NR_DEVS] = {0,0,0,0}
static int	pcmcom8_numboards = 0
static int	pcmcom8_nr_ok = 0
static pcmcom8_board *	pcmcom8_boards = 0
static dev_t	pcmcom8_device = MKDEV(0,0)
static struct class *	pcmcom8_class
static struct file_operations	pcmcom8_fops

Macro Definition Documentation

DRIVER_NAME

#define DRIVER_NAME   "pcmcom8"

Referenced by pcmcom8_cleanup_module(), and pcmcom8_init_module().

PCMCOM8_LOCK

#define PCMCOM8_LOCK

(

x

)

mutex_lock_interruptible(x)

Referenced by pcmcom8_ioctl(), and pcmcom8_open().

PCMCOM8_UNLOCK

#define PCMCOM8_UNLOCK

(

x

)

mutex_unlock(x)

Referenced by pcmcom8_ioctl(), and pcmcom8_open().

REPO_REVISION

#define REPO_REVISION   "unknown"

Referenced by pcmcom8_init_module().

Function Documentation

MODULE_AUTHOR()

MODULE_AUTHOR

(

"Gordon Maclean"

)

MODULE_DESCRIPTION()

MODULE_DESCRIPTION

(

"driver module to initialize pcmcom8 serial port card"

)

module_exit()

module_exit

(

pcmcom8_cleanup_module

)

module_init()

module_init

(

pcmcom8_init_module

)

MODULE_LICENSE()

MODULE_LICENSE

(

"Dual BSD/GPL"

)

module_param_array()

module_param_array	(	ioports	,
		uint	,
		pcmcom8_numboards	,
		S_IRUGO	)

MODULE_VERSION()

MODULE_VERSION

(

REPO_REVISION

)

pcmcom8_check_config()

static int pcmcom8_check_config ( struct pcmcom8_config * config )

static

References PCMCOM8_NR_PORTS.

Referenced by pcmcom8_init_module().

pcmcom8_cleanup_module()

static void pcmcom8_cleanup_module ( void )

static

References DRIVER_NAME, pcmcom8_boards, pcmcom8_class, pcmcom8_device, pcmcom8_major, pcmcom8_nr_ok, and pcmcom8_numboards.

Referenced by pcmcom8_init_module().

pcmcom8_enable_ports()

static void pcmcom8_enable_ports ( pcmcom8_board * brd )

static

References PCMCOM8_NR_PORTS.

Referenced by pcmcom8_ioctl().

pcmcom8_init_module()

static int __init pcmcom8_init_module ( void )

static

References DRIVER_NAME, ioport_base, ioports, pcmcom8_boards, pcmcom8_check_config(), pcmcom8_class, pcmcom8_cleanup_module(), pcmcom8_device, pcmcom8_fops, pcmcom8_nr_ok, pcmcom8_numboards, pcmcom8_read_eeconfig(), and REPO_REVISION.

pcmcom8_ioctl()

static long pcmcom8_ioctl ( struct file * filp, unsigned int cmd, unsigned long arg )

static

References err, ioport_base, pcmcom8_enable_ports(), PCMCOM8_IOC_MAGIC, PCMCOM8_IOC_MAXNR, PCMCOM8_IOCEECONFIGLOAD, PCMCOM8_IOCGEEPORTCONFIG, PCMCOM8_IOCGISABASE, PCMCOM8_IOCGNBOARD, PCMCOM8_IOCGPORTCONFIG, PCMCOM8_IOCPORTENABLE, PCMCOM8_IOCSEEPORTCONFIG, PCMCOM8_IOCSPORTCONFIG, pcmcom8_load_config_from_eeprom(), PCMCOM8_LOCK, pcmcom8_nr_ok, pcmcom8_read_eeconfig(), PCMCOM8_UNLOCK, pcmcom8_write_config(), and pcmcom8_write_eeconfig().

pcmcom8_load_config_from_eeprom()

static int pcmcom8_load_config_from_eeprom ( pcmcom8_board * brd, int eeaddr )

static

References pcmcom8_read_config(), and pcmcom8_wait_eedone().

Referenced by pcmcom8_ioctl().

pcmcom8_open()

static int pcmcom8_open ( struct inode * inode, struct file * filp )

static

References pcmcom8_boards, PCMCOM8_LOCK, pcmcom8_numboards, pcmcom8_read_config(), and PCMCOM8_UNLOCK.

pcmcom8_read_config()

static void pcmcom8_read_config ( pcmcom8_board * brd )

static

References PCMCOM8_NR_PORTS.

Referenced by pcmcom8_load_config_from_eeprom(), and pcmcom8_open().

pcmcom8_read_eeconfig()

static int pcmcom8_read_eeconfig ( pcmcom8_board * brd, struct pcmcom8_config * config, int eeaddr )

static

References PCMCOM8_NR_PORTS, and pcmcom8_wait_eedone().

Referenced by pcmcom8_init_module(), and pcmcom8_ioctl().

pcmcom8_release()

static int pcmcom8_release ( struct inode * inode, struct file * filp )

static

pcmcom8_wait_eedone()

static int pcmcom8_wait_eedone ( pcmcom8_board * brd )

static

Referenced by pcmcom8_load_config_from_eeprom(), pcmcom8_read_eeconfig(), pcmcom8_write_eeconfig(), and pcmcom8_write_eeprom().

pcmcom8_write_config()

static int pcmcom8_write_config ( pcmcom8_board * brd, struct pcmcom8_config * config )

static

References PCMCOM8_NR_PORTS.

Referenced by pcmcom8_ioctl().

pcmcom8_write_eeconfig()

static int pcmcom8_write_eeconfig ( pcmcom8_board * brd, struct pcmcom8_config * config, int eeaddr )

static

References PCMCOM8_NR_PORTS, pcmcom8_wait_eedone(), and pcmcom8_write_eeprom().

Referenced by pcmcom8_ioctl().

pcmcom8_write_eeprom()

static int pcmcom8_write_eeprom ( pcmcom8_board * brd, int eeaddr, unsigned int value )

static

References pcmcom8_wait_eedone().

Referenced by pcmcom8_write_eeconfig().

Variable Documentation

ioport_base

unsigned long ioport_base = (unsigned long) SYSTEM_ISA_IOPORT_BASE

static

Referenced by pcmcom8_init_module(), and pcmcom8_ioctl().

ioports

unsigned int ioports[PCMCOM8_MAX_NR_DEVS] = {0,0,0,0}

static

Referenced by pcmcom8_init_module().

pcmcom8_boards

pcmcom8_board* pcmcom8_boards = 0

static

Referenced by pcmcom8_cleanup_module(), pcmcom8_init_module(), and pcmcom8_open().

pcmcom8_class

struct class* pcmcom8_class

static

Referenced by pcmcom8_cleanup_module(), and pcmcom8_init_module().

pcmcom8_device

dev_t pcmcom8_device = MKDEV(0,0)

static

Referenced by pcmcom8_cleanup_module(), and pcmcom8_init_module().

pcmcom8_fops

struct file_operations pcmcom8_fops

static

Initial value:

= {
        .owner      = THIS_MODULE,
        .unlocked_ioctl      = pcmcom8_ioctl,
        .open       = pcmcom8_open,
        .release    = pcmcom8_release,
        .llseek     = no_llseek,
}

Referenced by pcmcom8_init_module().

pcmcom8_major

int pcmcom8_major = PCMCOM8_MAJOR

static

Referenced by pcmcom8_cleanup_module().

pcmcom8_nr_ok

int pcmcom8_nr_ok = 0

static

Referenced by pcmcom8_cleanup_module(), pcmcom8_init_module(), and pcmcom8_ioctl().

pcmcom8_numboards

int pcmcom8_numboards = 0

static

Referenced by pcmcom8_cleanup_module(), pcmcom8_init_module(), and pcmcom8_open().