emerald.c File Reference

#include <linux/module.h>
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/fcntl.h>
#include <linux/ioport.h>
#include <linux/sched.h>
#include <linux/io.h>
#include <linux/uaccess.h>
#include <linux/serial_reg.h>
#include "emerald.h"
#include <nidas/linux/ver_macros.h>
#include <nidas/linux/isa_bus.h>
#include <nidas/linux/klog.h>
#include <nidas/linux/Revision.h>

Macros
#define	__KERNEL__
#define	MODULE
#define	REPO_REVISION   "unknown"

Functions
	module_param_array (ioports, uint, emerald_nr_addrs, S_IRUGO)
	module_param (tty_port_offset, int, S_IRUGO)
	MODULE_AUTHOR ("Gordon Maclean")
	MODULE_DESCRIPTION ("driver module supporting initialization and digital I/O on Diamond System Emerald serial port card")
	MODULE_LICENSE ("Dual BSD/GPL")
	MODULE_VERSION (REPO_REVISION)
static int	emm_check_config (emerald_config *config, const char *devname)
static void	emm_enable_ports (emerald_board *brd)
static void	emm_disable_ports (emerald_board *brd)
static int	emm_check_model (emerald_board *brd)
static void	emm_read_config (emerald_board *brd)
static int	emm_write_config (emerald_board *brd, emerald_config *config)
static int	emm_read_eeconfig (emerald_board *brd, emerald_config *config)
static int	emm_write_eeconfig (emerald_board *brd, emerald_config *config)
static int	emm_load_config_from_eeprom (emerald_board *brd)
static const char *	emm_mode_to_string (int mode)
static void	emm_printk_port_modes (emerald_board *brd)
static int	emm_set_port_mode (emerald_board *brd, int port, int mode)
static int	emm_get_port_mode (emerald_board *brd, int port)
static int	emm_set_port_mode_eeprom (emerald_board *brd, int port, int mode)
static int	emm_get_port_mode_eeprom (emerald_board *brd, int port)
static int	emm_get_digio_port_out (emerald_board *brd, int port)
static void	emm_set_digio_out (emerald_board *brd, int val)
static void	emm_set_digio_port_out (emerald_board *brd, int port, int val)
static int	emm_read_digio (emerald_board *brd)
static int	emm_read_digio_port (emerald_board *brd, int port)
static void	emm_write_digio_port (emerald_board *brd, int port, int val)
static int	emerald_open (struct inode *inode, struct file *filp)
static int	emerald_release (struct inode *inode, struct file *filp)
static long	emerald_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
static void	emerald_cleanup_module (void)
static int __init	emerald_init_module (void)
	module_init (emerald_init_module)
	module_exit (emerald_cleanup_module)

Variables
static dev_t	emerald_device = MKDEV(0,0)
static unsigned long	ioport_base = (unsigned long) SYSTEM_ISA_IOPORT_BASE
static unsigned int	ioports [EMERALD_MAX_NR_DEVS] = {0,0,0,0}
static int	emerald_nr_addrs = 0
static int	emerald_nr_ok = 0
static emerald_board *	emerald_boards = 0
static emerald_port *	emerald_ports = 0
static int	emerald_nports = 0
static int	tty_port_offset = 5
static struct class *	emerald_class
static struct file_operations	emerald_fops

Macro Definition Documentation

#define __KERNEL__

#define MODULE

#define REPO_REVISION   "unknown"

Referenced by emerald_init_module().

Function Documentation

static void emerald_cleanup_module ( void  )

static

References emerald_boards, emerald_class, emerald_device, emerald_nports, emerald_nr_addrs, emerald_nr_ok, and emerald_ports.

Referenced by emerald_init_module().

static int __init emerald_init_module ( void  )

static

References emerald_boards, emerald_class, emerald_cleanup_module(), emerald_device, emerald_nports, emerald_nr_addrs, emerald_nr_ok, EMERALD_NR_PORTS, emerald_ports, emm_check_config(), emm_check_model(), emm_enable_ports(), emm_printk_port_modes(), emm_read_config(), emm_read_digio(), emm_read_eeconfig(), emm_set_digio_out(), emm_write_config(), emm_write_eeconfig(), emerald_serial_port::ioport, ioport_base, ioports, emerald_serial_port::irq, emerald_config::ports, REPO_REVISION, and tty_port_offset.

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

static

References EMERALD_IOC_MAGIC, EMERALD_IOC_MAXNR, EMERALD_IOCEECONFIGLOAD, EMERALD_IOCG_EEMODE, EMERALD_IOCG_MODE, EMERALD_IOCGDIO, EMERALD_IOCGDIOOUT, EMERALD_IOCGEEPORTCONFIG, EMERALD_IOCGISABASE, EMERALD_IOCGNBOARD, EMERALD_IOCGPORTCONFIG, EMERALD_IOCPORTENABLE, EMERALD_IOCS_EEMODE, EMERALD_IOCS_MODE, EMERALD_IOCSDIO, EMERALD_IOCSDIOOUT, EMERALD_IOCSEEPORTCONFIG, EMERALD_IOCSPORTCONFIG, emerald_nr_ok, EMERALD_RS485_NOECHO, emm_enable_ports(), emm_get_digio_port_out(), emm_get_port_mode(), emm_get_port_mode_eeprom(), emm_load_config_from_eeprom(), emm_read_config(), emm_read_digio_port(), emm_read_eeconfig(), emm_set_digio_port_out(), emm_set_port_mode(), emm_set_port_mode_eeprom(), emm_write_config(), emm_write_digio_port(), emm_write_eeconfig(), err, ioport_base, emerald_mode::mode, and port.

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

static

References emerald_nports, EMERALD_NR_PORTS, emerald_ports, and port.

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

static

static int emm_check_config ( emerald_config *  config, const char *  devname  )

static

References EMERALD_NR_PORTS, emerald_serial_port::ioport, emerald_serial_port::irq, and emerald_config::ports.

Referenced by emerald_init_module(), and emm_load_config_from_eeprom().

static int emm_check_model ( emerald_board *  brd )

static

References EMERALD_MM_8, EMERALD_MM_8P, and EMERALD_NR_PORTS.

Referenced by emerald_init_module().

static void emm_disable_ports ( emerald_board *  brd )

static

static void emm_enable_ports ( emerald_board *  brd )

static

Referenced by emerald_init_module(), emerald_ioctl(), emm_get_port_mode(), emm_printk_port_modes(), and emm_set_port_mode().

static int emm_get_digio_port_out ( emerald_board *  brd, int  port  )

static

Referenced by emerald_ioctl().

static int emm_get_port_mode ( emerald_board *  brd, int  port  )

static

References EMERALD_MM_8P, EMERALD_NR_PORTS, and emm_enable_ports().

Referenced by emerald_ioctl().

static int emm_get_port_mode_eeprom ( emerald_board *  brd, int  port  )

static

References EMERALD_MM_8P, and EMERALD_NR_PORTS.

Referenced by emerald_ioctl().

static int emm_load_config_from_eeprom ( emerald_board *  brd )

static

References emm_check_config(), emm_read_config(), and emm_read_eeconfig().

Referenced by emerald_ioctl().

static const char* emm_mode_to_string ( int  mode )

static

References EMERALD_RS232, EMERALD_RS422, EMERALD_RS485_ECHO, and EMERALD_RS485_NOECHO.

Referenced by emm_printk_port_modes().

static void emm_printk_port_modes ( emerald_board *  brd )

static

References EMERALD_MM_8P, EMERALD_NR_PORTS, emm_enable_ports(), and emm_mode_to_string().

Referenced by emerald_init_module().

static void emm_read_config ( emerald_board *  brd )

static

References EMERALD_NR_PORTS.

Referenced by emerald_init_module(), emerald_ioctl(), and emm_load_config_from_eeprom().

static int emm_read_digio ( emerald_board *  brd )

static

Referenced by emerald_init_module(), and emm_read_digio_port().

static int emm_read_digio_port ( emerald_board *  brd, int  port  )

static

References emm_read_digio().

Referenced by emerald_ioctl().

static int emm_read_eeconfig ( emerald_board *  brd, emerald_config *  config  )

static

References EMERALD_NR_PORTS, emerald_serial_port::ioport, emerald_serial_port::irq, and emerald_config::ports.

Referenced by emerald_init_module(), emerald_ioctl(), and emm_load_config_from_eeprom().

static void emm_set_digio_out ( emerald_board *  brd, int  val  )

static

Referenced by emerald_init_module().

static void emm_set_digio_port_out ( emerald_board *  brd, int  port, int  val  )

static

References port.

Referenced by emerald_ioctl().

static int emm_set_port_mode ( emerald_board *  brd, int  port, int  mode  )

static

References EMERALD_MM_8P, EMERALD_NR_PORTS, and emm_enable_ports().

Referenced by emerald_ioctl().

static int emm_set_port_mode_eeprom ( emerald_board *  brd, int  port, int  mode  )

static

References EMERALD_MM_8P, and EMERALD_NR_PORTS.

Referenced by emerald_ioctl().

static int emm_write_config ( emerald_board *  brd, emerald_config *  config  )

static

References EMERALD_NR_PORTS, emerald_serial_port::ioport, emerald_serial_port::irq, and emerald_config::ports.

Referenced by emerald_init_module(), and emerald_ioctl().

static void emm_write_digio_port ( emerald_board *  brd, int  port, int  val  )

static

References port.

Referenced by emerald_ioctl().

static int emm_write_eeconfig ( emerald_board *  brd, emerald_config *  config  )

static

References EMERALD_NR_PORTS, emerald_serial_port::ioport, emerald_serial_port::irq, and emerald_config::ports.

Referenced by emerald_init_module(), and emerald_ioctl().

MODULE_AUTHOR

(

"Gordon Maclean"

)

MODULE_DESCRIPTION

(

"driver module supporting initialization and digital I/O on Diamond System Emerald serial port card"

)

module_exit

(

emerald_cleanup_module

)

module_init

(

emerald_init_module

)

MODULE_LICENSE

(

"Dual BSD/GPL"

)

module_param	(	tty_port_offset	,
		int	,
		S_IRUGO
	)

module_param_array	(	ioports	,
		uint	,
		emerald_nr_addrs	,
		S_IRUGO
	)

MODULE_VERSION

(

REPO_REVISION

)

Variable Documentation

emerald_board* emerald_boards = 0

static

Referenced by emerald_cleanup_module(), and emerald_init_module().

struct class* emerald_class

static

Referenced by emerald_cleanup_module(), and emerald_init_module().

dev_t emerald_device = MKDEV(0,0)

static

Referenced by emerald_cleanup_module(), and emerald_init_module().

struct file_operations emerald_fops

static

Initial value:

= {
        .owner   = THIS_MODULE,
        .unlocked_ioctl   = emerald_ioctl,
        .open    = emerald_open,
        .release = emerald_release,
        .llseek  = no_llseek,
}

int emerald_nports = 0

static

Referenced by emerald_cleanup_module(), emerald_init_module(), and emerald_open().

int emerald_nr_addrs = 0

static

Referenced by emerald_cleanup_module(), and emerald_init_module().

int emerald_nr_ok = 0

static

Referenced by emerald_cleanup_module(), emerald_init_module(), and emerald_ioctl().

emerald_port* emerald_ports = 0

static

Referenced by emerald_cleanup_module(), emerald_init_module(), and emerald_open().

unsigned long ioport_base = (unsigned long) SYSTEM_ISA_IOPORT_BASE

static

Referenced by emerald_init_module(), and emerald_ioctl().

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

static

Referenced by emerald_init_module().

int tty_port_offset = 5

static

Referenced by emerald_init_module().