esi.c
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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 */