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/*********************************************************************
*
* Filename: esi.c
* Version: 1.5
* Description: Driver for the Extended Systems JetEye PC dongle
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Sat Feb 21 18:54:38 1998
* Modified at: Fri Dec 17 09:14:04 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
********************************************************************/
#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>
static void esi_open(dongle_t *self, struct qos_info *qos);
static void esi_close(dongle_t *self);
static int esi_change_speed(struct irda_task *task);
static int esi_reset(struct irda_task *task);
static struct dongle_reg dongle = {
Q_NULL,
IRDA_ESI_DONGLE,
esi_open,
esi_close,
esi_reset,
esi_change_speed,
};
int __init esi_init(void)
{
return irda_device_register_dongle(&dongle);
}
void esi_cleanup(void)
{
irda_device_unregister_dongle(&dongle);
}
static void esi_open(dongle_t *self, 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 */
MOD_INC_USE_COUNT;
}
static void esi_close(dongle_t *dongle)
{
/* Power off dongle */
dongle->set_dtr_rts(dongle->dev, FALSE, FALSE);
MOD_DEC_USE_COUNT;
}
/*
* Function esi_change_speed (task)
*
* Set the speed for the Extended Systems JetEye PC ESI-9680 type dongle
*
*/
static int esi_change_speed(struct irda_task *task)
{
dongle_t *self = (dongle_t *) task->instance;
__u32 speed = (__u32) task->param;
int dtr, rts;
switch (speed) {
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 */
self->set_dtr_rts(self->dev, dtr, rts);
self->speed = speed;
irda_task_next_state(task, IRDA_TASK_DONE);
return 0;
}
/*
* Function esi_reset (task)
*
* Reset dongle;
*
*/
static int esi_reset(struct irda_task *task)
{
dongle_t *self = (dongle_t *) task->instance;
self->set_dtr_rts(self->dev, FALSE, FALSE);
irda_task_next_state(task, IRDA_TASK_DONE);
return 0;
}
#ifdef MODULE
MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>");
MODULE_DESCRIPTION("Extended Systems JetEye PC dongle driver");
MODULE_LICENSE("GPL");
/*
* 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 /* MODULE */
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