// SPDX-License-Identifier: GPL-2.0
/*
* Probe 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.
*
* Ported to the Linux PnP Layer - (C) Adam Belay.
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pm.h>
#include <linux/pnp.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/property.h>
#include <linux/serial_core.h>
#include <linux/bitops.h>
#include <asm /byteorder.h>
#include "8250.h"
#define UNKNOWN_DEV 0x3000
#define CIR_PORT 0x0800
static const struct pnp_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 },
/* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
{ "AEI0250" , 0 },
/* Actiontec ISA PNP 56K X2 Fax Modem */
{ "AEI1240" , 0 },
/* Rockwell 56K ACF II Fax+Data+Voice Modem */
{ "AKY1021" , 0 /*SPCI_FL_NO_SHIRQ*/ },
/*
* ALi Fast Infrared Controller
* Native driver (ali-ircc) is broken so at least
* it can be used with irtty-sir.
*/
{ "ALI5123" , 0 },
/* 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 },
/* 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 },
/* Davicom ISA 33.6K Modem */
{ "DAV0336" , 0 },
/* Creative */
/* Creative Modem Blaster Flash56 DI5601-1 */
{ "DMB1032" , 0 },
/* Creative Modem Blaster V.90 DI5660 */
{ "DMB2001" , 0 },
/* E-Tech */
/* E-Tech CyberBULLET PC56RVP */
{ "ETT0002" , 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 },
/* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
{ "GVC0303" , 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 },
/* Intermec */
/* Intermec CV60 touchscreen port */
{ "PNP4972" , 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 },
/* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
{ "nEC8241" , 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 },
/* Rockwell 28.8 */
{ "ROK4120" , 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 },
/* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
{ "RSS0250" , 0 },
/* SupraExpress 28.8 Data/Fax PnP modem */
{ "SUP1310" , 0 },
/* SupraExpress 336i PnP Voice Modem */
{ "SUP1381" , 0 },
/* SupraExpress 33.6 Data/Fax PnP modem */
{ "SUP1421" , 0 },
/* SupraExpress 33.6 Data/Fax PnP modem */
{ "SUP1590" , 0 },
/* SupraExpress 336i Sp ASVD */
{ "SUP1620" , 0 },
/* SupraExpress 33.6 Data/Fax PnP modem */
{ "SUP1760" , 0 },
/* SupraExpress 56i Sp Intl */
{ "SUP2171" , 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 },
/* U.S. Robotics Sporster 33.6K Fax INT PnP */
{ "USR0002" , 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 Courier V.Everything INT PnP */
{ "USR0009" , 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 FAX INT */
{ "USR3050" , 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 },
/* Wacom tablets */
{ "WACFXXX" , 0 },
/* Compaq touchscreen */
{ "FPI2002" , 0 },
/* Fujitsu Stylistic touchscreens */
{ "FUJ02B2" , 0 },
{ "FUJ02B3" , 0 },
/* Fujitsu Stylistic LT touchscreens */
{ "FUJ02B4" , 0 },
/* Passive Fujitsu Stylistic touchscreens */
{ "FUJ02B6" , 0 },
{ "FUJ02B7" , 0 },
{ "FUJ02B8" , 0 },
{ "FUJ02B9" , 0 },
{ "FUJ02BC" , 0 },
/* Fujitsu Wacom Tablet PC device */
{ "FUJ02E5" , 0 },
/* Fujitsu P-series tablet PC device */
{ "FUJ02E6" , 0 },
/* Fujitsu Wacom 2FGT Tablet PC device */
{ "FUJ02E7" , 0 },
/* Fujitsu Wacom 1FGT Tablet PC device */
{ "FUJ02E9" , 0 },
/*
* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6
* in disguise).
*/
{ "LTS0001" , 0 },
/* Rockwell's (PORALiNK) 33600 INT PNP */
{ "WCI0003" , 0 },
/* Unknown PnP modems */
{ "PNPCXXX" , UNKNOWN_DEV },
/* More unknown PnP modems */
{ "PNPDXXX" , UNKNOWN_DEV },
/*
* Winbond CIR port, should not be probed. We should keep track of
* it to prevent the legacy serial driver from probing it.
*/
{ "WEC1022" , CIR_PORT },
/*
* SMSC IrCC SIR/FIR port, should not be probed by serial driver as
* well so its own driver can bind to it.
*/
{ "SMCF010" , CIR_PORT },
{ "" , 0 }
};
MODULE_DEVICE_TABLE(pnp, pnp_dev_table);
static const char *modem_names[] = {
"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" , NULL
};
static bool check_name(const char *name)
{
const char **tmp;
for (tmp = modem_names; *tmp; tmp++)
if (strstr(name, *tmp))
return true ;
return false ;
}
static bool check_resources(struct pnp_dev *dev)
{
static const resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(base); i++) {
if (pnp_possible_config(dev, IORESOURCE_IO, base[i], 8))
return true ;
}
return false ;
}
/*
* Given a complete unknown 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 address
* 0x2e8, 0x3e8, 0x2f8 or 0x3f8.
*
* Such detection looks very ugly, but can detect at least some of numerous
* PnP modems, alternatively we must hardcode all modems in pnp_devices[]
* table.
*/
static int serial_pnp_guess_board(struct pnp_dev *dev)
{
if (!(check_name(pnp_dev_name(dev)) ||
(dev->card && check_name(dev->card->name))))
return -ENODEV;
if (check_resources(dev))
return 0;
return -ENODEV;
}
static int
serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
{
struct uart_8250_port uart, *port;
int ret, flags = dev_id->driver_data;
long line;
if (flags & UNKNOWN_DEV) {
ret = serial_pnp_guess_board(dev);
if (ret < 0)
return ret;
}
memset(&uart, 0, sizeof (uart));
if ((flags & CIR_PORT) && pnp_port_valid(dev, 2)) {
uart.port.iobase = pnp_port_start(dev, 2);
} else if (pnp_port_valid(dev, 0)) {
uart.port.iobase = pnp_port_start(dev, 0);
} else if (pnp_mem_valid(dev, 0)) {
uart.port.mapbase = pnp_mem_start(dev, 0);
uart.port.mapsize = pnp_mem_len(dev, 0);
uart.port.flags = UPF_IOREMAP;
} else
return -ENODEV;
uart.port.uartclk = 1843200;
uart.port.dev = &dev->dev;
uart.port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
ret = uart_read_port_properties(&uart.port);
/* no interrupt -> fall back to polling */
if (ret == -ENXIO)
ret = 0;
if (ret)
return ret;
if (flags & CIR_PORT) {
uart.port.flags |= UPF_FIXED_PORT | UPF_FIXED_TYPE;
uart.port.type = PORT_8250_CIR;
}
dev_dbg(&dev->dev,
"Setup PNP port: port %#lx, mem %#llx, size %#llx, irq %u, type %u\n" ,
uart.port.iobase, (unsigned long long )uart.port.mapbase,
(unsigned long long )uart.port.mapsize, uart.port.irq, uart.port.iotype);
line = serial8250_register_8250_port(&uart);
if (line < 0 || (flags & CIR_PORT))
return -ENODEV;
port = serial8250_get_port(line);
if (uart_console(&port->port))
dev->capabilities |= PNP_CONSOLE;
pnp_set_drvdata(dev, (void *)line);
return 0;
}
static void serial_pnp_remove(struct pnp_dev *dev)
{
long line = (long )pnp_get_drvdata(dev);
dev->capabilities &= ~PNP_CONSOLE;
serial8250_unregister_port(line);
}
static int serial_pnp_suspend(struct device *dev)
{
long line = (long )dev_get_drvdata(dev);
serial8250_suspend_port(line);
return 0;
}
static int serial_pnp_resume(struct device *dev)
{
long line = (long )dev_get_drvdata(dev);
serial8250_resume_port(line);
return 0;
}
static DEFINE_SIMPLE_DEV_PM_OPS(serial_pnp_pm_ops, serial_pnp_suspend, serial_pnp_resume);
static struct pnp_driver serial_pnp_driver = {
.name = "serial" ,
.probe = serial_pnp_probe,
.remove = serial_pnp_remove,
.driver = {
.pm = pm_sleep_ptr(&serial_pnp_pm_ops),
},
.id_table = pnp_dev_table,
};
int serial8250_pnp_init(void )
{
return pnp_register_driver(&serial_pnp_driver);
}
void serial8250_pnp_exit(void )
{
pnp_unregister_driver(&serial_pnp_driver);
}
Messung V0.5 C=64 H=89 G=77
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet)
¤
*© Formatika GbR, Deutschland