1/********************************************************************* 2 * 3 * Filename: esi.c 4 * Version: 1.5 5 * Description: Driver for the Extended Systems JetEye PC dongle 6 * Status: Experimental. 7 * Author: Dag Brattli <dagb@cs.uit.no> 8 * Created at: Sat Feb 21 18:54:38 1998 9 * Modified at: Fri Dec 17 09:14:04 1999 10 * Modified by: Dag Brattli <dagb@cs.uit.no> 11 * 12 * Copyright (c) 1999 Dag Brattli, <dagb@cs.uit.no>, 13 * Copyright (c) 1998 Thomas Davis, <ratbert@radiks.net>, 14 * All Rights Reserved. 15 * 16 * This program is free software; you can redistribute it and/or 17 * modify it under the terms of the GNU General Public License as 18 * published by the Free Software Foundation; either version 2 of 19 * the License, or (at your option) any later version. 20 * 21 * This program is distributed in the hope that it will be useful, 22 * but WITHOUT ANY WARRANTY; without even the implied warranty of 23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24 * GNU General Public License for more details. 25 * 26 * You should have received a copy of the GNU General Public License 27 * along with this program; if not, write to the Free Software 28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 29 * MA 02111-1307 USA 30 * 31 ********************************************************************/ 32 33#include <linux/module.h> 34#include <linux/delay.h> 35#include <linux/tty.h> 36#include <linux/init.h> 37 38#include <net/irda/irda.h> 39#include <net/irda/irda_device.h> 40 41static void esi_open(dongle_t *self, struct qos_info *qos); 42static void esi_close(dongle_t *self); 43static int esi_change_speed(struct irda_task *task); 44static int esi_reset(struct irda_task *task); 45 46static struct dongle_reg dongle = { 47 .type = IRDA_ESI_DONGLE, 48 .open = esi_open, 49 .close = esi_close, 50 .reset = esi_reset, 51 .change_speed = esi_change_speed, 52 .owner = THIS_MODULE, 53}; 54 55static int __init esi_init(void) 56{ 57 return irda_device_register_dongle(&dongle); 58} 59 60static void __exit esi_cleanup(void) 61{ 62 irda_device_unregister_dongle(&dongle); 63} 64 65static void esi_open(dongle_t *self, struct qos_info *qos) 66{ 67 qos->baud_rate.bits &= IR_9600|IR_19200|IR_115200; 68 qos->min_turn_time.bits = 0x01; /* Needs at least 10 ms */ 69} 70 71static void esi_close(dongle_t *dongle) 72{ 73 /* Power off dongle */ 74 dongle->set_dtr_rts(dongle->dev, FALSE, FALSE); 75} 76 77/* 78 * Function esi_change_speed (task) 79 * 80 * Set the speed for the Extended Systems JetEye PC ESI-9680 type dongle 81 * 82 */ 83static int esi_change_speed(struct irda_task *task) 84{ 85 dongle_t *self = (dongle_t *) task->instance; 86 __u32 speed = (__u32) task->param; 87 int dtr, rts; 88 89 switch (speed) { 90 case 19200: 91 dtr = TRUE; 92 rts = FALSE; 93 break; 94 case 115200: 95 dtr = rts = TRUE; 96 break; 97 case 9600: 98 default: 99 dtr = FALSE; 100 rts = TRUE; 101 break; 102 } 103 104 /* Change speed of dongle */ 105 self->set_dtr_rts(self->dev, dtr, rts); 106 self->speed = speed; 107 108 irda_task_next_state(task, IRDA_TASK_DONE); 109 110 return 0; 111} 112 113/* 114 * Function esi_reset (task) 115 * 116 * Reset dongle; 117 * 118 */ 119static int esi_reset(struct irda_task *task) 120{ 121 dongle_t *self = (dongle_t *) task->instance; 122 123 self->set_dtr_rts(self->dev, FALSE, FALSE); 124 irda_task_next_state(task, IRDA_TASK_DONE); 125 126 return 0; 127} 128 129MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>"); 130MODULE_DESCRIPTION("Extended Systems JetEye PC dongle driver"); 131MODULE_LICENSE("GPL"); 132MODULE_ALIAS("irda-dongle-1"); /* IRDA_ESI_DONGLE */ 133 134/* 135 * Function init_module (void) 136 * 137 * Initialize ESI module 138 * 139 */ 140module_init(esi_init); 141 142/* 143 * Function cleanup_module (void) 144 * 145 * Cleanup ESI module 146 * 147 */ 148module_exit(esi_cleanup); 149