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/*********************************************************************
*
* Filename: esi.c
* Version: 1.4
* Description: Driver for the Extended Systems JetEye PC dongle
* Status: Experimental.
* Author: Thomas Davis, <ratbert@radiks.net>
* Created at: Sat Feb 21 18:54:38 1998
* Modified at: Sun May 16 14:35:21 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
* Sources: esi.c
*
* Copyright (c) 1998-1999, Dag Brattli, <dagb@cs.uit.no>
* Copyright (c) 1998, Thomas Davis, <ratbert@radiks.net>,
* All Rights Reserved.
*
* 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.
*
* I, Thomas Davis, provide no warranty for any of this software.
* This material is provided "AS-IS" and at no charge.
*
********************************************************************/
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/tty.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <net/irda/irda.h>
#include <net/irda/irmod.h>
#include <net/irda/irda_device.h>
#include <net/irda/irtty.h>
#include <net/irda/dongle.h>
static void esi_open(struct irda_device *idev, int type);
static void esi_close(struct irda_device *driver);
static void esi_change_speed(struct irda_device *idev, int baud);
static void esi_reset(struct irda_device *idev);
static void esi_qos_init(struct irda_device *idev, struct qos_info *qos);
static struct dongle dongle = {
ESI_DONGLE,
esi_open,
esi_close,
esi_reset,
esi_change_speed,
esi_qos_init,
};
__initfunc(int esi_init(void))
{
return irda_device_register_dongle(&dongle);
}
void esi_cleanup(void)
{
irda_device_unregister_dongle(&dongle);
}
static void esi_open(struct irda_device *idev, int type)
{
strcat(idev->description, " <-> esi");
idev->io.dongle_id = type;
idev->flags |= IFF_DONGLE;
MOD_INC_USE_COUNT;
}
static void esi_close(struct irda_device *idev)
{
/* Power off dongle */
irda_device_set_dtr_rts(idev, FALSE, FALSE);
MOD_DEC_USE_COUNT;
}
/*
* Function esi_change_speed (tty, baud)
*
* Set the speed for the Extended Systems JetEye PC ESI-9680 type dongle
*
*/
static void esi_change_speed(struct irda_device *idev, int baud)
{
int dtr, rts;
ASSERT(idev != NULL, return;);
ASSERT(idev->magic == IRDA_DEVICE_MAGIC, return;);
switch (baud) {
case 19200:
dtr = TRUE;
rts = FALSE;
break;
case 115200:
dtr = rts = TRUE;
break;
case 9600:
default:
dtr = FALSE;
rts = TRUE;
break;
}
/* Change speed of dongle */
irda_device_set_dtr_rts(idev, dtr, rts);
}
static void esi_reset( struct irda_device *idev)
{
/* Empty */
}
/*
* Function esi_qos_init (qos)
*
* Init QoS capabilities for the dongle
*
*/
static void esi_qos_init(struct irda_device *idev, struct qos_info *qos)
{
qos->baud_rate.bits &= IR_9600|IR_19200|IR_115200;
qos->min_turn_time.bits &= 0x01; /* Needs at least 10 ms */
}
#ifdef MODULE
MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>");
MODULE_DESCRIPTION("Extended Systems JetEye PC dongle driver");
/*
* Function init_module (void)
*
* Initialize ESI module
*
*/
int init_module(void)
{
return esi_init();
}
/*
* Function cleanup_module (void)
*
* Cleanup ESI module
*
*/
void cleanup_module(void)
{
esi_cleanup();
}
#endif
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