drivers/net/wireless/orinoco/orinoco_cs.c

   1 /* orinoco_cs.c (formerly known as dldwd_cs.c)
   2  *
   3  * A driver for "Hermes" chipset based PCMCIA wireless adaptors, such
   4  * as the Lucent WavelanIEEE/Orinoco cards and their OEM (Cabletron/
   5  * EnteraSys RoamAbout 802.11, ELSA Airlancer, Melco Buffalo and others).
   6  * It should also be usable on various Prism II based cards such as the
   7  * Linksys, D-Link and Farallon Skyline. It should also work on Symbol
   8  * cards such as the 3Com AirConnect and Ericsson WLAN.
   9  *
  10  * Copyright notice & release notes in file main.c
  11  */
  12
  13 #define DRIVER_NAME "orinoco_cs"
  14 #define PFX DRIVER_NAME ": "
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/init.h>
  19 #include <linux/delay.h>
  20 #include <pcmcia/cistpl.h>
  21 #include <pcmcia/cisreg.h>
  22 #include <pcmcia/ds.h>
  23
  24 #include "orinoco.h"
  25
  26 /********************************************************************/
  27 /* Module stuff                                                     */
  28 /********************************************************************/
  29
  30 MODULE_AUTHOR("David Gibson <hermes@gibson.dropbear.id.au>");
  31 MODULE_DESCRIPTION("Driver for PCMCIA Lucent Orinoco,"
  32                    " Prism II based and similar wireless cards");
  33 MODULE_LICENSE("Dual MPL/GPL");
  34
  35 /* Module parameters */
  36
  37 /* Some D-Link cards have buggy CIS. They do work at 5v properly, but
  38  * don't have any CIS entry for it. This workaround it... */
  39 static int ignore_cis_vcc; /* = 0 */
  40 module_param(ignore_cis_vcc, int, 0);
  41 MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket");
  42
  43 /********************************************************************/
  44 /* Data structures                                                  */
  45 /********************************************************************/
  46
  47 /* PCMCIA specific device information (goes in the card field of
  48  * struct orinoco_private */
  49 struct orinoco_pccard {
  50         struct pcmcia_device    *p_dev;
  51
  52         /* Used to handle hard reset */
  53         /* yuck, we need this hack to work around the insanity of the
  54          * PCMCIA layer */
  55         unsigned long hard_reset_in_progress;
  56 };
  57
  58
  59 /********************************************************************/
  60 /* Function prototypes                                              */
  61 /********************************************************************/
  62
  63 static int orinoco_cs_config(struct pcmcia_device *link);
  64 static void orinoco_cs_release(struct pcmcia_device *link);
  65 static void orinoco_cs_detach(struct pcmcia_device *p_dev);
  66
  67 /********************************************************************/
  68 /* Device methods                                                   */
  69 /********************************************************************/
  70
  71 static int
  72 orinoco_cs_hard_reset(struct orinoco_private *priv)
  73 {
  74         struct orinoco_pccard *card = priv->card;
  75         struct pcmcia_device *link = card->p_dev;
  76         int err;
  77
  78         /* We need atomic ops here, because we're not holding the lock */
  79         set_bit(0, &card->hard_reset_in_progress);
  80
  81         err = pcmcia_reset_card(link->socket);
  82         if (err)
  83                 return err;
  84
  85         msleep(100);
  86         clear_bit(0, &card->hard_reset_in_progress);
  87
  88         return 0;
  89 }
  90
  91 /********************************************************************/
  92 /* PCMCIA stuff                                                     */
  93 /********************************************************************/
  94
  95 static int
  96 orinoco_cs_probe(struct pcmcia_device *link)
  97 {
  98         struct orinoco_private *priv;
  99         struct orinoco_pccard *card;
 100
 101         priv = alloc_orinocodev(sizeof(*card), &link->dev,
 102                                 orinoco_cs_hard_reset, NULL);
 103         if (!priv)
 104                 return -ENOMEM;
 105         card = priv->card;
 106
 107         /* Link both structures together */
 108         card->p_dev = link;
 109         link->priv = priv;
 110
 111         return orinoco_cs_config(link);
 112 }                               /* orinoco_cs_attach */
 113
 114 static void orinoco_cs_detach(struct pcmcia_device *link)
 115 {
 116         struct orinoco_private *priv = link->priv;
 117
 118         orinoco_if_del(priv);
 119
 120         orinoco_cs_release(link);
 121
 122         free_orinocodev(priv);
 123 }                               /* orinoco_cs_detach */
 124
 125 static int orinoco_cs_config_check(struct pcmcia_device *p_dev, void *priv_data)
 126 {
 127         if (p_dev->config_index == 0)
 128                 return -EINVAL;
 129
 130         return pcmcia_request_io(p_dev);
 131 };
 132
 133 static int
 134 orinoco_cs_config(struct pcmcia_device *link)
 135 {
 136         struct orinoco_private *priv = link->priv;
 137         hermes_t *hw = &priv->hw;
 138         int ret;
 139         void __iomem *mem;
 140
 141         link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC |
 142                 CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
 143         if (ignore_cis_vcc)
 144                 link->config_flags &= ~CONF_AUTO_CHECK_VCC;
 145         ret = pcmcia_loop_config(link, orinoco_cs_config_check, NULL);
 146         if (ret) {
 147                 if (!ignore_cis_vcc)
 148                         printk(KERN_ERR PFX "GetNextTuple(): No matching "
 149                                "CIS configuration.  Maybe you need the "
 150                                "ignore_cis_vcc=1 parameter.\n");
 151                 goto failed;
 152         }
 153
 154         mem = ioport_map(link->resource[0]->start,
 155                         resource_size(link->resource[0]));
 156         if (!mem)
 157                 goto failed;
 158
 159         /* We initialize the hermes structure before completing PCMCIA
 160          * configuration just in case the interrupt handler gets
 161          * called. */
 162         hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING);
 163
 164         ret = pcmcia_request_irq(link, orinoco_interrupt);
 165         if (ret)
 166                 goto failed;
 167
 168         ret = pcmcia_enable_device(link);
 169         if (ret)
 170                 goto failed;
 171
 172         /* Initialise the main driver */
 173         if (orinoco_init(priv) != 0) {
 174                 printk(KERN_ERR PFX "orinoco_init() failed\n");
 175                 goto failed;
 176         }
 177
 178         /* Register an interface with the stack */
 179         if (orinoco_if_add(priv, link->resource[0]->start,
 180                            link->irq, NULL) != 0) {
 181                 printk(KERN_ERR PFX "orinoco_if_add() failed\n");
 182                 goto failed;
 183         }
 184
 185         return 0;
 186
 187  failed:
 188         orinoco_cs_release(link);
 189         return -ENODEV;
 190 }                               /* orinoco_cs_config */
 191
 192 static void
 193 orinoco_cs_release(struct pcmcia_device *link)
 194 {
 195         struct orinoco_private *priv = link->priv;
 196         unsigned long flags;
 197
 198         /* We're committed to taking the device away now, so mark the
 199          * hardware as unavailable */
 200         priv->hw.ops->lock_irqsave(&priv->lock, &flags);
 201         priv->hw_unavailable++;
 202         priv->hw.ops->unlock_irqrestore(&priv->lock, &flags);
 203
 204         pcmcia_disable_device(link);
 205         if (priv->hw.iobase)
 206                 ioport_unmap(priv->hw.iobase);
 207 }                               /* orinoco_cs_release */
 208
 209 static int orinoco_cs_suspend(struct pcmcia_device *link)
 210 {
 211         struct orinoco_private *priv = link->priv;
 212         struct orinoco_pccard *card = priv->card;
 213
 214         /* This is probably racy, but I can't think of
 215            a better way, short of rewriting the PCMCIA
 216            layer to not suck :-( */
 217         if (!test_bit(0, &card->hard_reset_in_progress))
 218                 orinoco_down(priv);
 219
 220         return 0;
 221 }
 222
 223 static int orinoco_cs_resume(struct pcmcia_device *link)
 224 {
 225         struct orinoco_private *priv = link->priv;
 226         struct orinoco_pccard *card = priv->card;
 227         int err = 0;
 228
 229         if (!test_bit(0, &card->hard_reset_in_progress))
 230                 err = orinoco_up(priv);
 231
 232         return err;
 233 }
 234
 235
 236 /********************************************************************/
 237 /* Module initialization                                            */
 238 /********************************************************************/
 239
 240 static const struct pcmcia_device_id orinoco_cs_ids[] = {
 241         PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777), /* 3Com AirConnect PCI 777A */
 242         PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002), /* Lucent Orinoco and old Intersil */
 243         PCMCIA_DEVICE_MANF_CARD(0x016b, 0x0001), /* Ericsson WLAN Card C11 */
 244         PCMCIA_DEVICE_MANF_CARD(0x01eb, 0x080a), /* Nortel Networks eMobility 802.11 Wireless Adapter */
 245         PCMCIA_DEVICE_MANF_CARD(0x0261, 0x0002), /* AirWay 802.11 Adapter (PCMCIA) */
 246         PCMCIA_DEVICE_MANF_CARD(0x0268, 0x0001), /* ARtem Onair */
 247         PCMCIA_DEVICE_MANF_CARD(0x0268, 0x0003), /* ARtem Onair Comcard 11 */
 248         PCMCIA_DEVICE_MANF_CARD(0x026f, 0x0305), /* Buffalo WLI-PCM-S11 */
 249         PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002), /* ASUS SpaceLink WL-100 */
 250         PCMCIA_DEVICE_MANF_CARD(0x02ac, 0x0002), /* SpeedStream SS1021 Wireless Adapter */
 251         PCMCIA_DEVICE_MANF_CARD(0x02ac, 0x3021), /* SpeedStream Wireless Adapter */
 252         PCMCIA_DEVICE_MANF_CARD(0x14ea, 0xb001), /* PLANEX RoadLannerWave GW-NS11H */
 253         PCMCIA_DEVICE_PROD_ID12("3Com", "3CRWE737A AirConnect Wireless LAN PC Card", 0x41240e5b, 0x56010af3),
 254         PCMCIA_DEVICE_PROD_ID12("Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio", 0x5cd01705, 0x4271660f),
 255         PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11B_CF_CARD_25", 0x78fc06ee, 0x45a50c1e),
 256         PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11b_PC_CARD_25", 0x78fc06ee, 0xdb9aa842),
 257         PCMCIA_DEVICE_PROD_ID12("Avaya Communication", "Avaya Wireless PC Card", 0xd8a43b78, 0x0d341169),
 258         PCMCIA_DEVICE_PROD_ID12("BENQ", "AWL100 PCMCIA ADAPTER", 0x35dadc74, 0x01f7fedb),
 259         PCMCIA_DEVICE_PROD_ID12("Cabletron", "RoamAbout 802.11 DS", 0x32d445f5, 0xedeffd90),
 260         PCMCIA_DEVICE_PROD_ID12("D-Link Corporation", "D-Link DWL-650H 11Mbps WLAN Adapter", 0xef544d24, 0xcd8ea916),
 261         PCMCIA_DEVICE_PROD_ID12("ELSA", "AirLancer MC-11", 0x4507a33a, 0xef54f0e3),
 262         PCMCIA_DEVICE_PROD_ID12("HyperLink", "Wireless PC Card 11Mbps", 0x56cc3f1a, 0x0bcf220c),
 263         PCMCIA_DEVICE_PROD_ID12("Intel", "PRO/Wireless 2011 LAN PC Card", 0x816cc815, 0x07f58077),
 264         PCMCIA_DEVICE_PROD_ID12("LeArtery", "SYNCBYAIR 11Mbps Wireless LAN PC Card", 0x7e3b326a, 0x49893e92),
 265         PCMCIA_DEVICE_PROD_ID12("Lucent Technologies", "WaveLAN/IEEE", 0x23eb9949, 0xc562e72a),
 266         PCMCIA_DEVICE_PROD_ID12("MELCO", "WLI-PCM-L11", 0x481e0094, 0x7360e410),
 267         PCMCIA_DEVICE_PROD_ID12("MELCO", "WLI-PCM-L11G", 0x481e0094, 0xf57ca4b3),
 268         PCMCIA_DEVICE_PROD_ID12("NCR", "WaveLAN/IEEE", 0x24358cd4, 0xc562e72a),
 269         PCMCIA_DEVICE_PROD_ID12("Nortel Networks", "emobility 802.11 Wireless LAN PC Card", 0x2d617ea0, 0x88cd5767),
 270         PCMCIA_DEVICE_PROD_ID12("OTC", "Wireless AirEZY 2411-PCC WLAN Card", 0x4ac44287, 0x235a6bed),
 271         PCMCIA_DEVICE_PROD_ID12("PROXIM", "LAN PC CARD HARMONY 80211B", 0xc6536a5e, 0x090c3cd9),
 272         PCMCIA_DEVICE_PROD_ID12("PROXIM", "LAN PCI CARD HARMONY 80211B", 0xc6536a5e, 0x9f494e26),
 273         PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "11Mbps WLAN Card", 0x43d74cb4, 0x579bd91b),
 274         PCMCIA_DEVICE_PROD_ID12("Symbol Technologies", "LA4111 Spectrum24 Wireless LAN PC Card", 0x3f02b4d6, 0x3663cb0e),
 275 #ifdef CONFIG_HERMES_PRISM
 276         /* Only entries that certainly identify Prism chipset */
 277         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), /* SonicWALL Long Range Wireless Card */
 278         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), /* Sohoware NCP110, Philips 802.11b */
 279         PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0002), /* AnyPoint(TM) Wireless II PC Card */
 280         PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000), /* PROXIM RangeLAN-DS/LAN PC CARD */
 281         PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), /* Compaq WL100 11 Mbps Wireless Adapter */
 282         PCMCIA_DEVICE_MANF_CARD(0x01ff, 0x0008), /* Intermec MobileLAN 11Mbps 802.11b WLAN Card */
 283         PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), /* Samsung SWL2000-N 11Mb/s WLAN Card */
 284         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), /* Linksys WPC11 Version 2.5 */
 285         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), /* Linksys WPC11 Version 3 */
 286         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), /* Compaq HNW-100 11 Mbps Wireless Adapter */
 287         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0673), /* Linksys WCF12 Wireless CompactFlash Card */
 288         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300), /* Airvast WN-100 */
 289         PCMCIA_DEVICE_MANF_CARD(0x9005, 0x0021), /* Adaptec Ultra Wireless ANW-8030 */
 290         PCMCIA_DEVICE_MANF_CARD(0xc001, 0x0008), /* CONTEC FLEXSCAN/FX-DDS110-PCC */
 291         PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), /* Conceptronic CON11Cpro, EMTAC A2424i */
 292         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), /* Safeway 802.11b, ZCOMAX AirRunner/XI-300 */
 293         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), /* D-Link DCF660, Sandisk Connect SDWCFB-000 */
 294         PCMCIA_DEVICE_PROD_ID123("Instant Wireless ", " Network PC CARD", "Version 01.02", 0x11d901af, 0x6e9bd926, 0x4b74baa0),
 295         PCMCIA_DEVICE_PROD_ID12("ACTIONTEC", "PRISM Wireless LAN PC Card", 0x393089da, 0xa71e69d5),
 296         PCMCIA_DEVICE_PROD_ID12("Addtron", "AWP-100 Wireless PCMCIA", 0xe6ec52ce, 0x08649af2),
 297         PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", 0x2decece3, 0x82067c18),
 298         PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-PCM-L11G", 0x2decece3, 0xf57ca4b3),
 299         PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card", 0x54f7c49c, 0x15a75e5b),
 300         PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCC-11", 0x5261440f, 0xa6405584),
 301         PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCCA-11", 0x5261440f, 0xdf6115f9),
 302         PCMCIA_DEVICE_PROD_ID12("corega_K.K.", "Wireless_LAN_PCCB-11", 0x29e33311, 0xee7a27ae),
 303         PCMCIA_DEVICE_PROD_ID12("Digital Data Communications", "WPC-0100", 0xfdd73470, 0xe0b6f146),
 304         PCMCIA_DEVICE_PROD_ID12("D", "Link DRC-650 11Mbps WLAN Card", 0x71b18589, 0xf144e3ac),
 305         PCMCIA_DEVICE_PROD_ID12("D", "Link DWL-650 11Mbps WLAN Card", 0x71b18589, 0xb6f1b0ab),
 306         PCMCIA_DEVICE_PROD_ID12(" ", "IEEE 802.11 Wireless LAN/PC Card", 0x3b6e20c8, 0xefccafe9),
 307         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE", 0x74c5e40d, 0xdb472a18),
 308         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "I-GATE 11M PC Card / PC Card plus", 0x74c5e40d, 0x8304ff77),
 309         PCMCIA_DEVICE_PROD_ID12("Intersil", "PRISM 2_5 PCMCIA ADAPTER", 0x4b801a17, 0x6345a0bf),
 310         PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card", 0x0733cc81, 0x0c52f395),
 311         PCMCIA_DEVICE_PROD_ID12("Microsoft", "Wireless Notebook Adapter MN-520", 0x5961bf85, 0x6eec8c01),
 312         PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401RA Wireless PC", "Card", 0x0306467f, 0x9762e8f1),
 313         PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401 Wireless PC", "Card", 0xa37434e9, 0x9762e8f1),
 314         PCMCIA_DEVICE_PROD_ID12("OEM", "PRISM2 IEEE 802.11 PC-Card", 0xfea54c90, 0x48f2bdd6),
 315         PCMCIA_DEVICE_PROD_ID12("PLANEX", "GeoWave/GW-CF110", 0x209f40ab, 0xd9715264),
 316         PCMCIA_DEVICE_PROD_ID12("PLANEX", "GeoWave/GW-NS110", 0x209f40ab, 0x46263178),
 317         PCMCIA_DEVICE_PROD_ID12("SMC", "SMC2532W-B EliteConnect Wireless Adapter", 0xc4f8b18b, 0x196bd757),
 318         PCMCIA_DEVICE_PROD_ID12("SMC", "SMC2632W", 0xc4f8b18b, 0x474a1f2a),
 319         PCMCIA_DEVICE_PROD_ID12("ZoomAir 11Mbps High", "Rate wireless Networking", 0x273fe3db, 0x32a1eaee),
 320         PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092),
 321         PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2),
 322         PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b),
 323         PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39),
 324 #endif
 325         PCMCIA_DEVICE_NULL,
 326 };
 327 MODULE_DEVICE_TABLE(pcmcia, orinoco_cs_ids);
 328
 329 static struct pcmcia_driver orinoco_driver = {
 330         .owner          = THIS_MODULE,
 331         .name           = DRIVER_NAME,
 332         .probe          = orinoco_cs_probe,
 333         .remove         = orinoco_cs_detach,
 334         .id_table       = orinoco_cs_ids,
 335         .suspend        = orinoco_cs_suspend,
 336         .resume         = orinoco_cs_resume,
 337 };
 338
 339 static int __init
 340 init_orinoco_cs(void)
 341 {
 342         return pcmcia_register_driver(&orinoco_driver);
 343 }
 344
 345 static void __exit
 346 exit_orinoco_cs(void)
 347 {
 348         pcmcia_unregister_driver(&orinoco_driver);
 349 }
 350
 351 module_init(init_orinoco_cs);
 352 module_exit(exit_orinoco_cs);