drivers/serial/8250_pnp.c

   1 /*
   2  *  linux/drivers/char/8250_pnp.c
   3  *
   4  *  Probe module for 8250/16550-type ISAPNP serial ports.
   5  *
   6  *  Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
   7  *
   8  *  Copyright (C) 2001 Russell King, All Rights Reserved.
   9  *
  10  *  Ported to the Linux PnP Layer - (C) Adam Belay.
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License.
  15  *
  16  *  $Id: 8250_pnp.c,v 1.10 2002/07/21 21:32:30 rmk Exp $
  17  */
  18 #include <linux/module.h>
  19 #include <linux/init.h>
  20 #include <linux/pci.h>
  21 #include <linux/pnp.h>
  22 #include <linux/string.h>
  23 #include <linux/kernel.h>
  24 #include <linux/serial_core.h>
  25 #include <linux/bitops.h>
  26
  27 #include <asm/byteorder.h>
  28
  29 #include "8250.h"
  30
  31 #define UNKNOWN_DEV 0x3000
  32
  33
  34 static const struct pnp_device_id pnp_dev_table[] = {
  35         /* Archtek America Corp. */
  36         /* Archtek SmartLink Modem 3334BT Plug & Play */
  37         {       "AAC000F",              0       },
  38         /* Anchor Datacomm BV */
  39         /* SXPro 144 External Data Fax Modem Plug & Play */
  40         {       "ADC0001",              0       },
  41         /* SXPro 288 External Data Fax Modem Plug & Play */
  42         {       "ADC0002",              0       },
  43         /* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
  44         {       "AEI0250",              0       },
  45         /* Actiontec ISA PNP 56K X2 Fax Modem */
  46         {       "AEI1240",              0       },
  47         /* Rockwell 56K ACF II Fax+Data+Voice Modem */
  48         {       "AKY1021",              0 /*SPCI_FL_NO_SHIRQ*/  },
  49         /* AZT3005 PnP SOUND DEVICE */
  50         {       "AZT4001",              0       },
  51         /* Best Data Products Inc. Smart One 336F PnP Modem */
  52         {       "BDP3336",              0       },
  53         /*  Boca Research */
  54         /* Boca Complete Ofc Communicator 14.4 Data-FAX */
  55         {       "BRI0A49",              0       },
  56         /* Boca Research 33,600 ACF Modem */
  57         {       "BRI1400",              0       },
  58         /* Boca 33.6 Kbps Internal FD34FSVD */
  59         {       "BRI3400",              0       },
  60         /* Boca 33.6 Kbps Internal FD34FSVD */
  61         {       "BRI0A49",              0       },
  62         /* Best Data Products Inc. Smart One 336F PnP Modem */
  63         {       "BDP3336",              0       },
  64         /* Computer Peripherals Inc */
  65         /* EuroViVa CommCenter-33.6 SP PnP */
  66         {       "CPI4050",              0       },
  67         /* Creative Labs */
  68         /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
  69         {       "CTL3001",              0       },
  70         /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
  71         {       "CTL3011",              0       },
  72         /* Davicom ISA 33.6K Modem */
  73         {       "DAV0336",              0       },
  74         /* Creative */
  75         /* Creative Modem Blaster Flash56 DI5601-1 */
  76         {       "DMB1032",              0       },
  77         /* Creative Modem Blaster V.90 DI5660 */
  78         {       "DMB2001",              0       },
  79         /* E-Tech */
  80         /* E-Tech CyberBULLET PC56RVP */
  81         {       "ETT0002",              0       },
  82         /* FUJITSU */
  83         /* Fujitsu 33600 PnP-I2 R Plug & Play */
  84         {       "FUJ0202",              0       },
  85         /* Fujitsu FMV-FX431 Plug & Play */
  86         {       "FUJ0205",              0       },
  87         /* Fujitsu 33600 PnP-I4 R Plug & Play */
  88         {       "FUJ0206",              0       },
  89         /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
  90         {       "FUJ0209",              0       },
  91         /* Archtek America Corp. */
  92         /* Archtek SmartLink Modem 3334BT Plug & Play */
  93         {       "GVC000F",              0       },
  94 <<<<<<< HEAD:drivers/serial/8250_pnp.c
  95 =======
  96         /* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
  97         {       "GVC0303",              0       },
  98 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/serial/8250_pnp.c
  99         /* Hayes */
 100         /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
 101         {       "HAY0001",              0       },
 102         /* Hayes Optima 336 V.34 + FAX + Voice PnP */
 103         {       "HAY000C",              0       },
 104         /* Hayes Optima 336B V.34 + FAX + Voice PnP */
 105         {       "HAY000D",              0       },
 106         /* Hayes Accura 56K Ext Fax Modem PnP */
 107         {       "HAY5670",              0       },
 108         /* Hayes Accura 56K Ext Fax Modem PnP */
 109         {       "HAY5674",              0       },
 110         /* Hayes Accura 56K Fax Modem PnP */
 111         {       "HAY5675",              0       },
 112         /* Hayes 288, V.34 + FAX */
 113         {       "HAYF000",              0       },
 114         /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
 115         {       "HAYF001",              0       },
 116         /* IBM */
 117         /* IBM Thinkpad 701 Internal Modem Voice */
 118         {       "IBM0033",              0       },
 119         /* Intertex */
 120         /* Intertex 28k8 33k6 Voice EXT PnP */
 121         {       "IXDC801",              0       },
 122         /* Intertex 33k6 56k Voice EXT PnP */
 123         {       "IXDC901",              0       },
 124         /* Intertex 28k8 33k6 Voice SP EXT PnP */
 125         {       "IXDD801",              0       },
 126         /* Intertex 33k6 56k Voice SP EXT PnP */
 127         {       "IXDD901",              0       },
 128         /* Intertex 28k8 33k6 Voice SP INT PnP */
 129         {       "IXDF401",              0       },
 130         /* Intertex 28k8 33k6 Voice SP EXT PnP */
 131         {       "IXDF801",              0       },
 132         /* Intertex 33k6 56k Voice SP EXT PnP */
 133         {       "IXDF901",              0       },
 134         /* Kortex International */
 135         /* KORTEX 28800 Externe PnP */
 136         {       "KOR4522",              0       },
 137         /* KXPro 33.6 Vocal ASVD PnP */
 138         {       "KORF661",              0       },
 139         /* Lasat */
 140         /* LASAT Internet 33600 PnP */
 141         {       "LAS4040",              0       },
 142         /* Lasat Safire 560 PnP */
 143         {       "LAS4540",              0       },
 144         /* Lasat Safire 336  PnP */
 145         {       "LAS5440",              0       },
 146         /* Microcom, Inc. */
 147         /* Microcom TravelPorte FAST V.34 Plug & Play */
 148         {       "MNP0281",              0       },
 149         /* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
 150         {       "MNP0336",              0       },
 151         /* Microcom DeskPorte FAST EP 28.8 Plug & Play */
 152         {       "MNP0339",              0       },
 153         /* Microcom DeskPorte 28.8P Plug & Play */
 154         {       "MNP0342",              0       },
 155         /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
 156         {       "MNP0500",              0       },
 157         /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
 158         {       "MNP0501",              0       },
 159         /* Microcom DeskPorte 28.8S Internal Plug & Play */
 160         {       "MNP0502",              0       },
 161         /* Motorola */
 162         /* Motorola BitSURFR Plug & Play */
 163         {       "MOT1105",              0       },
 164         /* Motorola TA210 Plug & Play */
 165         {       "MOT1111",              0       },
 166         /* Motorola HMTA 200 (ISDN) Plug & Play */
 167         {       "MOT1114",              0       },
 168         /* Motorola BitSURFR Plug & Play */
 169         {       "MOT1115",              0       },
 170         /* Motorola Lifestyle 28.8 Internal */
 171         {       "MOT1190",              0       },
 172         /* Motorola V.3400 Plug & Play */
 173         {       "MOT1501",              0       },
 174         /* Motorola Lifestyle 28.8 V.34 Plug & Play */
 175         {       "MOT1502",              0       },
 176         /* Motorola Power 28.8 V.34 Plug & Play */
 177         {       "MOT1505",              0       },
 178         /* Motorola ModemSURFR External 28.8 Plug & Play */
 179         {       "MOT1509",              0       },
 180         /* Motorola Premier 33.6 Desktop Plug & Play */
 181         {       "MOT150A",              0       },
 182         /* Motorola VoiceSURFR 56K External PnP */
 183         {       "MOT150F",              0       },
 184         /* Motorola ModemSURFR 56K External PnP */
 185         {       "MOT1510",              0       },
 186         /* Motorola ModemSURFR 56K Internal PnP */
 187         {       "MOT1550",              0       },
 188         /* Motorola ModemSURFR Internal 28.8 Plug & Play */
 189         {       "MOT1560",              0       },
 190         /* Motorola Premier 33.6 Internal Plug & Play */
 191         {       "MOT1580",              0       },
 192         /* Motorola OnlineSURFR 28.8 Internal Plug & Play */
 193         {       "MOT15B0",              0       },
 194         /* Motorola VoiceSURFR 56K Internal PnP */
 195         {       "MOT15F0",              0       },
 196         /* Com 1 */
 197         /*  Deskline K56 Phone System PnP */
 198         {       "MVX00A1",              0       },
 199         /* PC Rider K56 Phone System PnP */
 200         {       "MVX00F2",              0       },
 201         /* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
 202         {       "nEC8241",              0       },
 203         /* Pace 56 Voice Internal Plug & Play Modem */
 204         {       "PMC2430",              0       },
 205         /* Generic */
 206         /* Generic standard PC COM port  */
 207         {       "PNP0500",              0       },
 208         /* Generic 16550A-compatible COM port */
 209         {       "PNP0501",              0       },
 210         /* Compaq 14400 Modem */
 211         {       "PNPC000",              0       },
 212         /* Compaq 2400/9600 Modem */
 213         {       "PNPC001",              0       },
 214         /* Dial-Up Networking Serial Cable between 2 PCs */
 215         {       "PNPC031",              0       },
 216         /* Dial-Up Networking Parallel Cable between 2 PCs */
 217         {       "PNPC032",              0       },
 218         /* Standard 9600 bps Modem */
 219         {       "PNPC100",              0       },
 220         /* Standard 14400 bps Modem */
 221         {       "PNPC101",              0       },
 222         /*  Standard 28800 bps Modem*/
 223         {       "PNPC102",              0       },
 224         /*  Standard Modem*/
 225         {       "PNPC103",              0       },
 226         /*  Standard 9600 bps Modem*/
 227         {       "PNPC104",              0       },
 228         /*  Standard 14400 bps Modem*/
 229         {       "PNPC105",              0       },
 230         /*  Standard 28800 bps Modem*/
 231         {       "PNPC106",              0       },
 232         /*  Standard Modem */
 233         {       "PNPC107",              0       },
 234         /* Standard 9600 bps Modem */
 235         {       "PNPC108",              0       },
 236         /* Standard 14400 bps Modem */
 237         {       "PNPC109",              0       },
 238         /* Standard 28800 bps Modem */
 239         {       "PNPC10A",              0       },
 240         /* Standard Modem */
 241         {       "PNPC10B",              0       },
 242         /* Standard 9600 bps Modem */
 243         {       "PNPC10C",              0       },
 244         /* Standard 14400 bps Modem */
 245         {       "PNPC10D",              0       },
 246         /* Standard 28800 bps Modem */
 247         {       "PNPC10E",              0       },
 248         /* Standard Modem */
 249         {       "PNPC10F",              0       },
 250         /* Standard PCMCIA Card Modem */
 251         {       "PNP2000",              0       },
 252         /* Rockwell */
 253         /* Modular Technology */
 254         /* Rockwell 33.6 DPF Internal PnP */
 255         /* Modular Technology 33.6 Internal PnP */
 256         {       "ROK0030",              0       },
 257         /* Kortex International */
 258         /* KORTEX 14400 Externe PnP */
 259         {       "ROK0100",              0       },
 260         /* Rockwell 28.8 */
 261         {       "ROK4120",              0       },
 262         /* Viking Components, Inc */
 263         /* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
 264         {       "ROK4920",              0       },
 265         /* Rockwell */
 266         /* British Telecom */
 267         /* Modular Technology */
 268         /* Rockwell 33.6 DPF External PnP */
 269         /* BT Prologue 33.6 External PnP */
 270         /* Modular Technology 33.6 External PnP */
 271         {       "RSS00A0",              0       },
 272         /* Viking 56K FAX INT */
 273         {       "RSS0262",              0       },
 274         /* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
 275         {       "RSS0250",              0       },
 276         /* SupraExpress 28.8 Data/Fax PnP modem */
 277         {       "SUP1310",              0       },
 278         /* SupraExpress 33.6 Data/Fax PnP modem */
 279         {       "SUP1421",              0       },
 280         /* SupraExpress 33.6 Data/Fax PnP modem */
 281         {       "SUP1590",              0       },
 282         /* SupraExpress 336i Sp ASVD */
 283         {       "SUP1620",              0       },
 284         /* SupraExpress 33.6 Data/Fax PnP modem */
 285         {       "SUP1760",              0       },
 286         /* SupraExpress 56i Sp Intl */
 287         {       "SUP2171",              0       },
 288         /* Phoebe Micro */
 289         /* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
 290         {       "TEX0011",              0       },
 291         /* Archtek America Corp. */
 292         /* Archtek SmartLink Modem 3334BT Plug & Play */
 293         {       "UAC000F",              0       },
 294         /* 3Com Corp. */
 295         /* Gateway Telepath IIvi 33.6 */
 296         {       "USR0000",              0       },
 297         /* U.S. Robotics Sporster 33.6K Fax INT PnP */
 298         {       "USR0002",              0       },
 299         /*  Sportster Vi 14.4 PnP FAX Voicemail */
 300         {       "USR0004",              0       },
 301         /* U.S. Robotics 33.6K Voice INT PnP */
 302         {       "USR0006",              0       },
 303         /* U.S. Robotics 33.6K Voice EXT PnP */
 304         {       "USR0007",              0       },
 305         /* U.S. Robotics Courier V.Everything INT PnP */
 306         {       "USR0009",              0       },
 307         /* U.S. Robotics 33.6K Voice INT PnP */
 308         {       "USR2002",              0       },
 309         /* U.S. Robotics 56K Voice INT PnP */
 310         {       "USR2070",              0       },
 311         /* U.S. Robotics 56K Voice EXT PnP */
 312         {       "USR2080",              0       },
 313         /* U.S. Robotics 56K FAX INT */
 314         {       "USR3031",              0       },
 315         /* U.S. Robotics 56K FAX INT */
 316         {       "USR3050",              0       },
 317         /* U.S. Robotics 56K Voice INT PnP */
 318         {       "USR3070",              0       },
 319         /* U.S. Robotics 56K Voice EXT PnP */
 320         {       "USR3080",              0       },
 321         /* U.S. Robotics 56K Voice INT PnP */
 322         {       "USR3090",              0       },
 323         /* U.S. Robotics 56K Message  */
 324         {       "USR9100",              0       },
 325         /* U.S. Robotics 56K FAX EXT PnP*/
 326         {       "USR9160",              0       },
 327         /* U.S. Robotics 56K FAX INT PnP*/
 328         {       "USR9170",              0       },
 329         /* U.S. Robotics 56K Voice EXT PnP*/
 330         {       "USR9180",              0       },
 331         /* U.S. Robotics 56K Voice INT PnP*/
 332         {       "USR9190",              0       },
 333         /* Wacom tablets */
 334         {       "WACF004",              0       },
 335         {       "WACF005",              0       },
 336         {       "WACF006",              0       },
 337         {       "WACF007",              0       },
 338         {       "WACF008",              0       },
 339         /* Compaq touchscreen */
 340         {       "FPI2002",              0 },
 341         /* Fujitsu Stylistic touchscreens */
 342         {       "FUJ02B2",              0 },
 343         {       "FUJ02B3",              0 },
 344         /* Fujitsu Stylistic LT touchscreens */
 345         {       "FUJ02B4",              0 },
 346         /* Passive Fujitsu Stylistic touchscreens */
 347         {       "FUJ02B6",              0 },
 348         {       "FUJ02B7",              0 },
 349         {       "FUJ02B8",              0 },
 350         {       "FUJ02B9",              0 },
 351         {       "FUJ02BC",              0 },
 352         /* Fujitsu Wacom Tablet PC devices */
 353         {       "FUJ02E5",              0       },
 354         {       "FUJ02E6",              0       },
 355         /*
 356          * LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in
 357          * disguise)
 358          */
 359         {       "LTS0001",              0       },
 360         /* Rockwell's (PORALiNK) 33600 INT PNP */
 361         {       "WCI0003",              0       },
 362         /* Unkown PnP modems */
 363         {       "PNPCXXX",              UNKNOWN_DEV     },
 364         /* More unkown PnP modems */
 365         {       "PNPDXXX",              UNKNOWN_DEV     },
 366         {       "",                     0       }
 367 };
 368
 369 MODULE_DEVICE_TABLE(pnp, pnp_dev_table);
 370
 371 static char *modem_names[] __devinitdata = {
 372         "MODEM", "Modem", "modem", "FAX", "Fax", "fax",
 373         "56K", "56k", "K56", "33.6", "28.8", "14.4",
 374         "33,600", "28,800", "14,400", "33.600", "28.800", "14.400",
 375         "33600", "28800", "14400", "V.90", "V.34", "V.32", NULL
 376 };
 377
 378 static int __devinit check_name(char *name)
 379 {
 380         char **tmp;
 381
 382         for (tmp = modem_names; *tmp; tmp++)
 383                 if (strstr(name, *tmp))
 384                         return 1;
 385
 386         return 0;
 387 }
 388
 389 static int __devinit check_resources(struct pnp_option *option)
 390 {
 391         struct pnp_option *tmp;
 392         if (!option)
 393                 return 0;
 394
 395         for (tmp = option; tmp; tmp = tmp->next) {
 396                 struct pnp_port *port;
 397                 for (port = tmp->port; port; port = port->next)
 398                         if ((port->size == 8) &&
 399                             ((port->min == 0x2f8) ||
 400                              (port->min == 0x3f8) ||
 401                              (port->min == 0x2e8) ||
 402                              (port->min == 0x3e8)))
 403                                 return 1;
 404         }
 405
 406         return 0;
 407 }
 408
 409 /*
 410  * Given a complete unknown PnP device, try to use some heuristics to
 411  * detect modems. Currently use such heuristic set:
 412  *     - dev->name or dev->bus->name must contain "modem" substring;
 413  *     - device must have only one IO region (8 byte long) with base address
 414  *       0x2e8, 0x3e8, 0x2f8 or 0x3f8.
 415  *
 416  * Such detection looks very ugly, but can detect at least some of numerous
 417  * PnP modems, alternatively we must hardcode all modems in pnp_devices[]
 418  * table.
 419  */
 420 static int __devinit serial_pnp_guess_board(struct pnp_dev *dev, int *flags)
 421 {
 422         if (!(check_name(pnp_dev_name(dev)) ||
 423                 (dev->card && check_name(dev->card->name))))
 424                         return -ENODEV;
 425
 426         if (check_resources(dev->independent))
 427                 return 0;
 428
 429         if (check_resources(dev->dependent))
 430                 return 0;
 431
 432         return -ENODEV;
 433 }
 434
 435 static int __devinit
 436 serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
 437 {
 438         struct uart_port port;
 439         int ret, line, flags = dev_id->driver_data;
 440
 441         if (flags & UNKNOWN_DEV) {
 442                 ret = serial_pnp_guess_board(dev, &flags);
 443                 if (ret < 0)
 444                         return ret;
 445         }
 446
 447         memset(&port, 0, sizeof(struct uart_port));
 448         if (pnp_irq_valid(dev, 0))
 449                 port.irq = pnp_irq(dev, 0);
 450         if (pnp_port_valid(dev, 0)) {
 451                 port.iobase = pnp_port_start(dev, 0);
 452                 port.iotype = UPIO_PORT;
 453         } else if (pnp_mem_valid(dev, 0)) {
 454                 port.mapbase = pnp_mem_start(dev, 0);
 455                 port.iotype = UPIO_MEM;
 456                 port.flags = UPF_IOREMAP;
 457         } else
 458                 return -ENODEV;
 459
 460 #ifdef SERIAL_DEBUG_PNP
 461         printk(KERN_DEBUG
 462                 "Setup PNP port: port %x, mem 0x%lx, irq %d, type %d\n",
 463                        port.iobase, port.mapbase, port.irq, port.iotype);
 464 #endif
 465
 466         port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
 467         if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE)
 468                 port.flags |= UPF_SHARE_IRQ;
 469         port.uartclk = 1843200;
 470         port.dev = &dev->dev;
 471
 472         line = serial8250_register_port(&port);
 473         if (line < 0)
 474                 return -ENODEV;
 475
 476         pnp_set_drvdata(dev, (void *)((long)line + 1));
 477         return 0;
 478 }
 479
 480 static void __devexit serial_pnp_remove(struct pnp_dev *dev)
 481 {
 482         long line = (long)pnp_get_drvdata(dev);
 483         if (line)
 484                 serial8250_unregister_port(line - 1);
 485 }
 486
 487 #ifdef CONFIG_PM
 488 static int serial_pnp_suspend(struct pnp_dev *dev, pm_message_t state)
 489 {
 490         long line = (long)pnp_get_drvdata(dev);
 491
 492         if (!line)
 493                 return -ENODEV;
 494         serial8250_suspend_port(line - 1);
 495         return 0;
 496 }
 497
 498 static int serial_pnp_resume(struct pnp_dev *dev)
 499 {
 500         long line = (long)pnp_get_drvdata(dev);
 501
 502         if (!line)
 503                 return -ENODEV;
 504         serial8250_resume_port(line - 1);
 505         return 0;
 506 }
 507 #else
 508 #define serial_pnp_suspend NULL
 509 #define serial_pnp_resume NULL
 510 #endif /* CONFIG_PM */
 511
 512 static struct pnp_driver serial_pnp_driver = {
 513         .name           = "serial",
 514         .probe          = serial_pnp_probe,
 515         .remove         = __devexit_p(serial_pnp_remove),
 516         .suspend        = serial_pnp_suspend,
 517         .resume         = serial_pnp_resume,
 518         .id_table       = pnp_dev_table,
 519 };
 520
 521 static int __init serial8250_pnp_init(void)
 522 {
 523         return pnp_register_driver(&serial_pnp_driver);
 524 }
 525
 526 static void __exit serial8250_pnp_exit(void)
 527 {
 528         pnp_unregister_driver(&serial_pnp_driver);
 529 }
 530
 531 module_init(serial8250_pnp_init);
 532 module_exit(serial8250_pnp_exit);
 533
 534 MODULE_LICENSE("GPL");
 535 MODULE_DESCRIPTION("Generic 8250/16x50 PnP serial driver");