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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | /********************************************************************* * * 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"); /* * 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 */ |