1 /*====================================================================== 2 3 Aironet driver for 4500 and 4800 series cards 4 5 This code is released under both the GPL version 2 and BSD licenses. 6 Either license may be used. The respective licenses are found at 7 the end of this file. 8 9 This code was developed by Benjamin Reed <breed@users.sourceforge.net> 10 including portions of which come from the Aironet PC4500 11 Developer's Reference Manual and used with permission. Copyright 12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use 13 code in the Developer's manual was granted for this driver by 14 Aironet. 15 16 In addition this module was derived from dummy_cs. 17 The initial developer of dummy_cs is David A. Hinds 18 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 19 are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 20 21 ======================================================================*/ 22 23 #ifdef __IN_PCMCIA_PACKAGE__ 24 #include <pcmcia/k_compat.h> 25 #endif 26 #include <linux/kernel.h> 27 #include <linux/module.h> 28 #include <linux/ptrace.h> 29 #include <linux/slab.h> 30 #include <linux/string.h> 31 #include <linux/timer.h> 32 #include <linux/netdevice.h> 33 34 #include <pcmcia/cistpl.h> 35 #include <pcmcia/cisreg.h> 36 #include <pcmcia/ds.h> 37 38 #include <linux/io.h> 39 40 #include "airo.h" 41 42 43 /*====================================================================*/ 44 45 MODULE_AUTHOR("Benjamin Reed"); 46 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet " 47 "cards. This is the module that links the PCMCIA card " 48 "with the airo module."); 49 MODULE_LICENSE("Dual BSD/GPL"); 50 MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards"); 51 52 /*====================================================================*/ 53 54 static int airo_config(struct pcmcia_device *link); 55 static void airo_release(struct pcmcia_device *link); 56 57 static void airo_detach(struct pcmcia_device *p_dev); 58 59 struct local_info { 60 struct net_device *eth_dev; 61 }; 62 63 static int airo_probe(struct pcmcia_device *p_dev) 64 { 65 struct local_info *local; 66 67 dev_dbg(&p_dev->dev, "airo_attach()\n"); 68 69 /* Allocate space for private device-specific data */ 70 local = kzalloc(sizeof(*local), GFP_KERNEL); 71 if (!local) 72 return -ENOMEM; 73 74 p_dev->priv = local; 75 76 return airo_config(p_dev); 77 } /* airo_attach */ 78 79 static void airo_detach(struct pcmcia_device *link) 80 { 81 dev_dbg(&link->dev, "airo_detach\n"); 82 83 airo_release(link); 84 85 if (((struct local_info *)link->priv)->eth_dev) { 86 stop_airo_card(((struct local_info *)link->priv)->eth_dev, 87 0); 88 } 89 ((struct local_info *)link->priv)->eth_dev = NULL; 90 91 kfree(link->priv); 92 } /* airo_detach */ 93 94 static int airo_cs_config_check(struct pcmcia_device *p_dev, void *priv_data) 95 { 96 if (p_dev->config_index == 0) 97 return -EINVAL; 98 99 return pcmcia_request_io(p_dev); 100 } 101 102 103 static int airo_config(struct pcmcia_device *link) 104 { 105 struct local_info *dev; 106 int ret; 107 108 dev = link->priv; 109 110 dev_dbg(&link->dev, "airo_config\n"); 111 112 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP | 113 CONF_AUTO_AUDIO | CONF_AUTO_SET_IO; 114 115 ret = pcmcia_loop_config(link, airo_cs_config_check, NULL); 116 if (ret) 117 goto failed; 118 119 if (!link->irq) 120 goto failed; 121 122 ret = pcmcia_enable_device(link); 123 if (ret) 124 goto failed; 125 ((struct local_info *)link->priv)->eth_dev = 126 init_airo_card(link->irq, 127 link->resource[0]->start, 1, &link->dev); 128 if (!((struct local_info *)link->priv)->eth_dev) 129 goto failed; 130 131 return 0; 132 133 failed: 134 airo_release(link); 135 return -ENODEV; 136 } /* airo_config */ 137 138 static void airo_release(struct pcmcia_device *link) 139 { 140 dev_dbg(&link->dev, "airo_release\n"); 141 pcmcia_disable_device(link); 142 } 143 144 static int airo_suspend(struct pcmcia_device *link) 145 { 146 struct local_info *local = link->priv; 147 148 netif_device_detach(local->eth_dev); 149 150 return 0; 151 } 152 153 static int airo_resume(struct pcmcia_device *link) 154 { 155 struct local_info *local = link->priv; 156 157 if (link->open) { 158 reset_airo_card(local->eth_dev); 159 netif_device_attach(local->eth_dev); 160 } 161 162 return 0; 163 } 164 165 static const struct pcmcia_device_id airo_ids[] = { 166 PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a), 167 PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005), 168 PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007), 169 PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007), 170 PCMCIA_DEVICE_NULL, 171 }; 172 MODULE_DEVICE_TABLE(pcmcia, airo_ids); 173 174 static struct pcmcia_driver airo_driver = { 175 .owner = THIS_MODULE, 176 .name = "airo_cs", 177 .probe = airo_probe, 178 .remove = airo_detach, 179 .id_table = airo_ids, 180 .suspend = airo_suspend, 181 .resume = airo_resume, 182 }; 183 module_pcmcia_driver(airo_driver); 184 185 /* 186 This program is free software; you can redistribute it and/or 187 modify it under the terms of the GNU General Public License 188 as published by the Free Software Foundation; either version 2 189 of the License, or (at your option) any later version. 190 191 This program is distributed in the hope that it will be useful, 192 but WITHOUT ANY WARRANTY; without even the implied warranty of 193 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 194 GNU General Public License for more details. 195 196 In addition: 197 198 Redistribution and use in source and binary forms, with or without 199 modification, are permitted provided that the following conditions 200 are met: 201 202 1. Redistributions of source code must retain the above copyright 203 notice, this list of conditions and the following disclaimer. 204 2. Redistributions in binary form must reproduce the above copyright 205 notice, this list of conditions and the following disclaimer in the 206 documentation and/or other materials provided with the distribution. 207 3. The name of the author may not be used to endorse or promote 208 products derived from this software without specific prior written 209 permission. 210 211 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 212 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 213 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 214 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 215 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 216 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 217 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 218 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 219 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 220 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 221 POSSIBILITY OF SUCH DAMAGE. 222 */ 223