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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 | /********************************************************************* * * Filename: esi.c * Version: 1.6 * 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: Sun Oct 27 22:01:04 2002 * Modified by: Martin Diehl <mad@mdiehl.de> * * Copyright (c) 1999 Dag Brattli, <dagb@cs.uit.no>, * Copyright (c) 1998 Thomas Davis, <ratbert@radiks.net>, * Copyright (c) 2002 Martin Diehl, <mad@mdiehl.de>, * 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/init.h> #include <net/irda/irda.h> #include "sir-dev.h" static int esi_open(struct sir_dev *); static int esi_close(struct sir_dev *); static int esi_change_speed(struct sir_dev *, unsigned); static int esi_reset(struct sir_dev *); static struct dongle_driver esi = { .owner = THIS_MODULE, .driver_name = "JetEye PC ESI-9680 PC", .type = IRDA_ESI_DONGLE, .open = esi_open, .close = esi_close, .reset = esi_reset, .set_speed = esi_change_speed, }; static int __init esi_sir_init(void) { return irda_register_dongle(&esi); } static void __exit esi_sir_cleanup(void) { irda_unregister_dongle(&esi); } static int esi_open(struct sir_dev *dev) { struct qos_info *qos = &dev->qos; qos->baud_rate.bits &= IR_9600|IR_19200|IR_115200; qos->min_turn_time.bits = 0x01; /* Needs at least 10 ms */ irda_qos_bits_to_value(qos); /* shouldn't we do set_dtr_rts(FALSE, TRUE) here (power up at 9600)? */ return 0; } static int esi_close(struct sir_dev *dev) { /* Power off dongle */ dev->set_dtr_rts(dev, FALSE, FALSE); return 0; } /* * Function esi_change_speed (task) * * Set the speed for the Extended Systems JetEye PC ESI-9680 type dongle * */ static int esi_change_speed(struct sir_dev *dev, unsigned speed) { int dtr, rts; switch (speed) { case 19200: dtr = TRUE; rts = FALSE; break; case 115200: dtr = rts = TRUE; break; default: speed = 9600; /* fall through */ case 9600: dtr = FALSE; rts = TRUE; break; } /* Change speed of dongle */ dev->set_dtr_rts(dev, dtr, rts); dev->speed = speed; /* do we need some delay for power stabilization? */ return 0; } /* * Function esi_reset (task) * * Reset dongle; * */ static int esi_reset(struct sir_dev *dev) { dev->set_dtr_rts(dev, FALSE, FALSE); /* Hm, probably repower to 9600 and some delays? */ return 0; } MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>"); MODULE_DESCRIPTION("Extended Systems JetEye PC dongle driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("irda-dongle-1"); /* IRDA_ESI_DONGLE */ module_init(esi_sir_init); module_exit(esi_sir_cleanup); |