/* * linux/drivers/char/serial_8250_pnp.c * * Probe module for 8250/16550-type ISAPNP serial ports. * * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. * * Copyright (C) 2001 Russell King, 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. * * $Id: serial_8250_pnp.c,v 1.1.1.1 2003/06/23 22:18:34 jharrell Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include "serial_8250.h" static struct serial_state rs_table[] = { }; #define NR_PORTS 0 struct pnpbios_device_id { char id[8]; unsigned long driver_data; }; static const struct pnpbios_device_id pnp_dev_table[] = { /* Archtek America Corp. */ /* Archtek SmartLink Modem 3334BT Plug & Play */ { "AAC000F", 0 }, /* Anchor Datacomm BV */ /* SXPro 144 External Data Fax Modem Plug & Play */ { "ADC0001", 0 }, /* SXPro 288 External Data Fax Modem Plug & Play */ { "ADC0002", 0 }, /* Rockwell 56K ACF II Fax+Data+Voice Modem */ { "AKY1021", SPCI_FL_NO_SHIRQ }, /* AZT3005 PnP SOUND DEVICE */ { "AZT4001", 0 }, /* Best Data Products Inc. Smart One 336F PnP Modem */ { "BDP3336", 0 }, /* Boca Research */ /* Boca Complete Ofc Communicator 14.4 Data-FAX */ { "BRI0A49", 0 }, /* Boca Research 33,600 ACF Modem */ { "BRI1400", 0 }, /* Boca 33.6 Kbps Internal FD34FSVD */ { "BRI3400", 0 }, /* Boca 33.6 Kbps Internal FD34FSVD */ { "BRI0A49", 0 }, /* Best Data Products Inc. Smart One 336F PnP Modem */ { "BDP3336", 0 }, /* Computer Peripherals Inc */ /* EuroViVa CommCenter-33.6 SP PnP */ { "CPI4050", 0 }, /* Creative Labs */ /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */ { "CTL3001", 0 }, /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */ { "CTL3011", 0 }, /* Creative */ /* Creative Modem Blaster Flash56 DI5601-1 */ { "DMB1032", 0 }, /* Creative Modem Blaster V.90 DI5660 */ { "DMB2001", 0 }, /* FUJITSU */ /* Fujitsu 33600 PnP-I2 R Plug & Play */ { "FUJ0202", 0 }, /* Fujitsu FMV-FX431 Plug & Play */ { "FUJ0205", 0 }, /* Fujitsu 33600 PnP-I4 R Plug & Play */ { "FUJ0206", 0 }, /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */ { "FUJ0209", 0 }, /* Archtek America Corp. */ /* Archtek SmartLink Modem 3334BT Plug & Play */ { "GVC000F", 0 }, /* Hayes */ /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */ { "HAY0001", 0 }, /* Hayes Optima 336 V.34 + FAX + Voice PnP */ { "HAY000C", 0 }, /* Hayes Optima 336B V.34 + FAX + Voice PnP */ { "HAY000D", 0 }, /* Hayes Accura 56K Ext Fax Modem PnP */ { "HAY5670", 0 }, /* Hayes Accura 56K Ext Fax Modem PnP */ { "HAY5674", 0 }, /* Hayes Accura 56K Fax Modem PnP */ { "HAY5675", 0 }, /* Hayes 288, V.34 + FAX */ { "HAYF000", 0 }, /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */ { "HAYF001", 0 }, /* IBM */ /* IBM Thinkpad 701 Internal Modem Voice */ { "IBM0033", 0 }, /* Intertex */ /* Intertex 28k8 33k6 Voice EXT PnP */ { "IXDC801", 0 }, /* Intertex 33k6 56k Voice EXT PnP */ { "IXDC901", 0 }, /* Intertex 28k8 33k6 Voice SP EXT PnP */ { "IXDD801", 0 }, /* Intertex 33k6 56k Voice SP EXT PnP */ { "IXDD901", 0 }, /* Intertex 28k8 33k6 Voice SP INT PnP */ { "IXDF401", 0 }, /* Intertex 28k8 33k6 Voice SP EXT PnP */ { "IXDF801", 0 }, /* Intertex 33k6 56k Voice SP EXT PnP */ { "IXDF901", 0 }, /* Kortex International */ /* KORTEX 28800 Externe PnP */ { "KOR4522", 0 }, /* KXPro 33.6 Vocal ASVD PnP */ { "KORF661", 0 }, /* Lasat */ /* LASAT Internet 33600 PnP */ { "LAS4040", 0 }, /* Lasat Safire 560 PnP */ { "LAS4540", 0 }, /* Lasat Safire 336 PnP */ { "LAS5440", 0 }, /* Microcom, Inc. */ /* Microcom TravelPorte FAST V.34 Plug & Play */ { "MNP0281", 0 }, /* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */ { "MNP0336", 0 }, /* Microcom DeskPorte FAST EP 28.8 Plug & Play */ { "MNP0339", 0 }, /* Microcom DeskPorte 28.8P Plug & Play */ { "MNP0342", 0 }, /* Microcom DeskPorte FAST ES 28.8 Plug & Play */ { "MNP0500", 0 }, /* Microcom DeskPorte FAST ES 28.8 Plug & Play */ { "MNP0501", 0 }, /* Microcom DeskPorte 28.8S Internal Plug & Play */ { "MNP0502", 0 }, /* Motorola */ /* Motorola BitSURFR Plug & Play */ { "MOT1105", 0 }, /* Motorola TA210 Plug & Play */ { "MOT1111", 0 }, /* Motorola HMTA 200 (ISDN) Plug & Play */ { "MOT1114", 0 }, /* Motorola BitSURFR Plug & Play */ { "MOT1115", 0 }, /* Motorola Lifestyle 28.8 Internal */ { "MOT1190", 0 }, /* Motorola V.3400 Plug & Play */ { "MOT1501", 0 }, /* Motorola Lifestyle 28.8 V.34 Plug & Play */ { "MOT1502", 0 }, /* Motorola Power 28.8 V.34 Plug & Play */ { "MOT1505", 0 }, /* Motorola ModemSURFR External 28.8 Plug & Play */ { "MOT1509", 0 }, /* Motorola Premier 33.6 Desktop Plug & Play */ { "MOT150A", 0 }, /* Motorola VoiceSURFR 56K External PnP */ { "MOT150F", 0 }, /* Motorola ModemSURFR 56K External PnP */ { "MOT1510", 0 }, /* Motorola ModemSURFR 56K Internal PnP */ { "MOT1550", 0 }, /* Motorola ModemSURFR Internal 28.8 Plug & Play */ { "MOT1560", 0 }, /* Motorola Premier 33.6 Internal Plug & Play */ { "MOT1580", 0 }, /* Motorola OnlineSURFR 28.8 Internal Plug & Play */ { "MOT15B0", 0 }, /* Motorola VoiceSURFR 56K Internal PnP */ { "MOT15F0", 0 }, /* Com 1 */ /* Deskline K56 Phone System PnP */ { "MVX00A1", 0 }, /* PC Rider K56 Phone System PnP */ { "MVX00F2", 0 }, /* Pace 56 Voice Internal Plug & Play Modem */ { "PMC2430", 0 }, /* Generic */ /* Generic standard PC COM port */ { "PNP0500", 0 }, /* Generic 16550A-compatible COM port */ { "PNP0501", 0 }, /* Compaq 14400 Modem */ { "PNPC000", 0 }, /* Compaq 2400/9600 Modem */ { "PNPC001", 0 }, /* Dial-Up Networking Serial Cable between 2 PCs */ { "PNPC031", 0 }, /* Dial-Up Networking Parallel Cable between 2 PCs */ { "PNPC032", 0 }, /* Standard 9600 bps Modem */ { "PNPC100", 0 }, /* Standard 14400 bps Modem */ { "PNPC101", 0 }, /* Standard 28800 bps Modem*/ { "PNPC102", 0 }, /* Standard Modem*/ { "PNPC103", 0 }, /* Standard 9600 bps Modem*/ { "PNPC104", 0 }, /* Standard 14400 bps Modem*/ { "PNPC105", 0 }, /* Standard 28800 bps Modem*/ { "PNPC106", 0 }, /* Standard Modem */ { "PNPC107", 0 }, /* Standard 9600 bps Modem */ { "PNPC108", 0 }, /* Standard 14400 bps Modem */ { "PNPC109", 0 }, /* Standard 28800 bps Modem */ { "PNPC10A", 0 }, /* Standard Modem */ { "PNPC10B", 0 }, /* Standard 9600 bps Modem */ { "PNPC10C", 0 }, /* Standard 14400 bps Modem */ { "PNPC10D", 0 }, /* Standard 28800 bps Modem */ { "PNPC10E", 0 }, /* Standard Modem */ { "PNPC10F", 0 }, /* Standard PCMCIA Card Modem */ { "PNP2000", 0 }, /* Rockwell */ /* Modular Technology */ /* Rockwell 33.6 DPF Internal PnP */ /* Modular Technology 33.6 Internal PnP */ { "ROK0030", 0 }, /* Kortex International */ /* KORTEX 14400 Externe PnP */ { "ROK0100", 0 }, /* Viking Components, Inc */ /* Viking 28.8 INTERNAL Fax+Data+Voice PnP */ { "ROK4920", 0 }, /* Rockwell */ /* British Telecom */ /* Modular Technology */ /* Rockwell 33.6 DPF External PnP */ /* BT Prologue 33.6 External PnP */ /* Modular Technology 33.6 External PnP */ { "RSS00A0", 0 }, /* Viking 56K FAX INT */ { "RSS0262", 0 }, /* SupraExpress 28.8 Data/Fax PnP modem */ { "SUP1310", 0 }, /* SupraExpress 33.6 Data/Fax PnP modem */ { "SUP1421", 0 }, /* SupraExpress 33.6 Data/Fax PnP modem */ { "SUP1590", 0 }, /* SupraExpress 33.6 Data/Fax PnP modem */ { "SUP1760", 0 }, /* Phoebe Micro */ /* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */ { "TEX0011", 0 }, /* Archtek America Corp. */ /* Archtek SmartLink Modem 3334BT Plug & Play */ { "UAC000F", 0 }, /* 3Com Corp. */ /* Gateway Telepath IIvi 33.6 */ { "USR0000", 0 }, /* Sportster Vi 14.4 PnP FAX Voicemail */ { "USR0004", 0 }, /* U.S. Robotics 33.6K Voice INT PnP */ { "USR0006", 0 }, /* U.S. Robotics 33.6K Voice EXT PnP */ { "USR0007", 0 }, /* U.S. Robotics 33.6K Voice INT PnP */ { "USR2002", 0 }, /* U.S. Robotics 56K Voice INT PnP */ { "USR2070", 0 }, /* U.S. Robotics 56K Voice EXT PnP */ { "USR2080", 0 }, /* U.S. Robotics 56K FAX INT */ { "USR3031", 0 }, /* U.S. Robotics 56K Voice INT PnP */ { "USR3070", 0 }, /* U.S. Robotics 56K Voice EXT PnP */ { "USR3080", 0 }, /* U.S. Robotics 56K Voice INT PnP */ { "USR3090", 0 }, /* U.S. Robotics 56K Message */ { "USR9100", 0 }, /* U.S. Robotics 56K FAX EXT PnP*/ { "USR9160", 0 }, /* U.S. Robotics 56K FAX INT PnP*/ { "USR9170", 0 }, /* U.S. Robotics 56K Voice EXT PnP*/ { "USR9180", 0 }, /* U.S. Robotics 56K Voice INT PnP*/ { "USR9190", 0 }, { "", 0 } }; static void inline avoid_irq_share(struct pci_dev *dev) { int i, map = 0x1FF8; struct serial_state *state = rs_table; struct isapnp_irq *irq; struct isapnp_resources *res = dev->sysdata; for (i = 0; i < NR_PORTS; i++) { if (state->type != PORT_UNKNOWN) clear_bit(state->irq, &map); state++; } for ( ; res; res = res->alt) for(irq = res->irq; irq; irq = irq->next) irq->map = map; } static char *modem_names[] __devinitdata = { "MODEM", "Modem", "modem", "FAX", "Fax", "fax", "56K", "56k", "K56", "33.6", "28.8", "14.4", "33,600", "28,800", "14,400", "33.600", "28.800", "14.400", "33600", "28800", "14400", "V.90", "V.34", "V.32", 0 }; static int __devinit check_name(char *name) { char **tmp; for (tmp = modem_names; *tmp; tmp++) if (strstr(name, *tmp)) return 1; return 0; } static int inline check_compatible_id(struct pci_dev *dev) { int i; for (i = 0; i < DEVICE_COUNT_COMPATIBLE; i++) if ((dev->vendor_compatible[i] == ISAPNP_VENDOR('P', 'N', 'P')) && (swab16(dev->device_compatible[i]) >= 0xc000) && (swab16(dev->device_compatible[i]) <= 0xdfff)) return 0; return 1; } /* * Given a complete unknown ISA PnP device, try to use some heuristics to * detect modems. Currently use such heuristic set: * - dev->name or dev->bus->name must contain "modem" substring; * - device must have only one IO region (8 byte long) with base adress * 0x2e8, 0x3e8, 0x2f8 or 0x3f8. * * Such detection looks very ugly, but can detect at least some of numerous * ISA PnP modems, alternatively we must hardcode all modems in pnp_devices[] * table. */ static int serial_pnp_guess_board(struct pci_dev *dev, int *flags) { struct isapnp_resources *res = (struct isapnp_resources *)dev->sysdata; struct isapnp_resources *resa; if (!(check_name(dev->name) || check_name(dev->bus->name)) && !(check_compatible_id(dev))) return -ENODEV; if (!res || res->next) return -ENODEV; for (resa = res->alt; resa; resa = resa->alt) { struct isapnp_port *port; for (port = res->port; port; port = port->next) if ((port->size == 8) && ((port->min == 0x2f8) || (port->min == 0x3f8) || (port->min == 0x2e8) || (port->min == 0x3e8))) return 0; } return -ENODEV; } static int pnp_init_one(struct pci_dev *dev, const struct pnpbios_device_id *ent, char *slot_name) { struct serial_struct serial_req; int ret, line, flags = ent ? ent->driver_data : 0; if (!ent) { ret = serial_pnp_guess_board(dev, &flags); if (ret) return ret; } if (dev->prepare(dev) < 0) { printk("serial: PNP device '%s' prepare failed\n", slot_name); return -ENODEV; } if (dev->active) return -ENODEV; if (flags & SPCI_FL_NO_SHIRQ) avoid_irq_share(dev); if (dev->activate(dev) < 0) { printk("serial: PNP device '%s' activate failed\n", slot_name); return -ENODEV; } memset(&serial_req, 0, sizeof(serial_req)); serial_req.irq = dev->irq_resource[0].start; serial_req.port = pci_resource_start(dev, 0); if (HIGH_BITS_OFFSET) serial_req.port = pci_resource_start(dev, 0) >> HIGH_BITS_OFFSET; #ifdef SERIAL_DEBUG_PCI printk("Setup PCI/PNP port: port %x, irq %d, type %d\n", serial_req.port, serial_req.irq, serial_req.io_type); #endif serial_req.flags = ASYNC_SKIP_TEST | ASYNC_AUTOPROBE; serial_req.baud_base = 115200; line = register_serial(&serial_req); if (line >= 0) { pci_set_drvdata(dev, (void *)(line + 1)); /* * Public health warning: remove this once the 2.5 * pnpbios_module_init() stuff is incorporated. */ dev->driver = (void *)pnp_dev_table; } else dev->deactivate(dev); return line >= 0 ? 0 : -ENODEV; } static void pnp_remove_one(struct pci_dev *dev) { int line = (int)pci_get_drvdata(dev); if (line) { pci_set_drvdata(dev, NULL); unregister_serial(line - 1); dev->deactivate(dev); } } static char hex[] = "0123456789ABCDEF"; /* * This function should vanish when 2.5 comes around and * we have pnpbios_module_init() */ static void pnp_init(void) { const struct pnpbios_device_id *id; struct pci_dev *dev = NULL; #ifdef SERIAL_DEBUG_PNP printk("Entered probe_serial_pnp()\n"); #endif isapnp_for_each_dev(dev) { char slot_name[8]; u32 pnpid; if (dev->active) continue; pnpid = dev->vendor << 16 | dev->device; pnpid = cpu_to_le32(pnpid); #define HEX(id,a) hex[((id)>>a) & 15] #define CHAR(id,a) (0x40 + (((id)>>a) & 31)) slot_name[0] = CHAR(pnpid, 26); slot_name[1] = CHAR(pnpid, 21); slot_name[2] = CHAR(pnpid, 16); slot_name[3] = HEX(pnpid, 12); slot_name[4] = HEX(pnpid, 8); slot_name[5] = HEX(pnpid, 4); slot_name[6] = HEX(pnpid, 0); slot_name[7] = '\0'; for (id = pnp_dev_table; id->id[0]; id++) if (memcmp(id->id, slot_name, 7) == 0) break; if (id->id[0]) pnp_init_one(dev, id, slot_name); else pnp_init_one(dev, NULL, slot_name); } #ifdef SERIAL_DEBUG_PNP printk("Leaving probe_serial_pnp() (probe finished)\n"); #endif } static int __init serial8250_pnp_init(void) { if (!isapnp_present()) { #ifdef SERIAL_DEBUG_PNP printk("Leaving probe_serial_pnp() (no isapnp)\n"); #endif return -ENODEV; } pnp_init(); return 0; } static void __exit serial8250_pnp_exit(void) { struct pci_dev *dev = NULL; isapnp_for_each_dev(dev) { if (dev->driver != (void *)pnp_dev_table) continue; pnp_remove_one(dev); } } module_init(serial8250_pnp_init); module_exit(serial8250_pnp_exit); EXPORT_NO_SYMBOLS; MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Generic 8250/16x50 PNPBIOS serial probe module"); MODULE_GENERIC_TABLE(pnp, pnp_dev_table);