[linux-2.6-block.git] / drivers / tty / serial / 8250 / 8250_pnp.c

// 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/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, line, flags = dev_id->driver_data;

	if (flags & UNKNOWN_DEV) {
		ret = serial_pnp_guess_board(dev);
		if (ret < 0)
			return ret;
	}

	memset(&uart, 0, sizeof(uart));
	if (pnp_irq_valid(dev, 0))
		uart.port.irq = pnp_irq(dev, 0);
	if ((flags & CIR_PORT) && pnp_port_valid(dev, 2)) {
		uart.port.iobase = pnp_port_start(dev, 2);
		uart.port.iotype = UPIO_PORT;
	} else if (pnp_port_valid(dev, 0)) {
		uart.port.iobase = pnp_port_start(dev, 0);
		uart.port.iotype = UPIO_PORT;
	} else if (pnp_mem_valid(dev, 0)) {
		uart.port.mapbase = pnp_mem_start(dev, 0);
		uart.port.iotype = UPIO_MEM;
		uart.port.flags = UPF_IOREMAP;
	} else
		return -ENODEV;

	dev_dbg(&dev->dev,
		 "Setup PNP port: port %#lx, mem %#llx, irq %u, type %u\n",
		 uart.port.iobase, (unsigned long long)uart.port.mapbase,
		 uart.port.irq, uart.port.iotype);

	if (flags & CIR_PORT) {
		uart.port.flags |= UPF_FIXED_PORT | UPF_FIXED_TYPE;
		uart.port.type = PORT_8250_CIR;
	}

	uart.port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
	if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE)
		uart.port.flags |= UPF_SHARE_IRQ;
	uart.port.uartclk = 1843200;
	device_property_read_u32(&dev->dev, "clock-frequency", &uart.port.uartclk);
	uart.port.dev = &dev->dev;

	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 *)((long)line + 1));
	return 0;
}

static void serial_pnp_remove(struct pnp_dev *dev)
{
	long line = (long)pnp_get_drvdata(dev);

	dev->capabilities &= ~PNP_CONSOLE;
	if (line)
		serial8250_unregister_port(line - 1);
}

static int __maybe_unused serial_pnp_suspend(struct device *dev)
{
	long line = (long)dev_get_drvdata(dev);

	if (!line)
		return -ENODEV;
	serial8250_suspend_port(line - 1);
	return 0;
}

static int __maybe_unused serial_pnp_resume(struct device *dev)
{
	long line = (long)dev_get_drvdata(dev);

	if (!line)
		return -ENODEV;
	serial8250_resume_port(line - 1);
	return 0;
}

static 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     = &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);
}
Commit	Line	Data
e3b3d0f5	1	// SPDX-License-Identifier: GPL-2.0
1da177e4	2	/*
835d844d	3	* Probe for 8250/16550-type ISAPNP serial ports.
1da177e4 LT	4	*
	5	* Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
	6	*
	7	* Copyright (C) 2001 Russell King, All Rights Reserved.
	8	*
	9	* Ported to the Linux PnP Layer - (C) Adam Belay.
1da177e4 LT	10	*/
1da177e4 LT	11	#include <linux/module.h>
1da177e4 LT	12	#include <linux/pci.h>
	13	#include <linux/pnp.h>
	14	#include <linux/string.h>
	15	#include <linux/kernel.h>
13043207	16	#include <linux/property.h>
1da177e4 LT	17	#include <linux/serial_core.h>
	18	#include <linux/bitops.h>
	19
	20	#include <asm/byteorder.h>
	21
	22	#include "8250.h"
	23
	24	#define UNKNOWN_DEV 0x3000
65ecc9c0	25	#define CIR_PORT 0x0800
1da177e4 LT	26
	27	static const struct pnp_device_id pnp_dev_table[] = {
	28	/* Archtek America Corp. */
	29	/* Archtek SmartLink Modem 3334BT Plug & Play */
	30	{ "AAC000F", 0 },
	31	/* Anchor Datacomm BV */
	32	/* SXPro 144 External Data Fax Modem Plug & Play */
	33	{ "ADC0001", 0 },
	34	/* SXPro 288 External Data Fax Modem Plug & Play */
	35	{ "ADC0002", 0 },
	36	/* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
	37	{ "AEI0250", 0 },
	38	/* Actiontec ISA PNP 56K X2 Fax Modem */
	39	{ "AEI1240", 0 },
	40	/* Rockwell 56K ACF II Fax+Data+Voice Modem */
	41	{ "AKY1021", 0 /SPCI_FL_NO_SHIRQ/ },
1d700277 MS	42	/*
	43	* ALi Fast Infrared Controller
	44	* Native driver (ali-ircc) is broken so at least
	45	* it can be used with irtty-sir.
	46	*/
	47	{ "ALI5123", 0 },
1da177e4 LT	48	/* AZT3005 PnP SOUND DEVICE */
	49	{ "AZT4001", 0 },
	50	/* Best Data Products Inc. Smart One 336F PnP Modem */
	51	{ "BDP3336", 0 },
	52	/* Boca Research */
	53	/* Boca Complete Ofc Communicator 14.4 Data-FAX */
	54	{ "BRI0A49", 0 },
	55	/* Boca Research 33,600 ACF Modem */
	56	{ "BRI1400", 0 },
	57	/* Boca 33.6 Kbps Internal FD34FSVD */
	58	{ "BRI3400", 0 },
1da177e4 LT	59	/* Computer Peripherals Inc */
	60	/* EuroViVa CommCenter-33.6 SP PnP */
	61	{ "CPI4050", 0 },
	62	/* Creative Labs */
	63	/* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
	64	{ "CTL3001", 0 },
	65	/* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
	66	{ "CTL3011", 0 },
dbd0cf48 BH	67	/* Davicom ISA 33.6K Modem */
dbd0cf48 BH	68	{ "DAV0336", 0 },
1da177e4 LT	69	/* Creative */
	70	/* Creative Modem Blaster Flash56 DI5601-1 */
	71	{ "DMB1032", 0 },
	72	/* Creative Modem Blaster V.90 DI5660 */
	73	{ "DMB2001", 0 },
	74	/* E-Tech */
	75	/* E-Tech CyberBULLET PC56RVP */
	76	{ "ETT0002", 0 },
	77	/* FUJITSU */
	78	/* Fujitsu 33600 PnP-I2 R Plug & Play */
	79	{ "FUJ0202", 0 },
	80	/* Fujitsu FMV-FX431 Plug & Play */
	81	{ "FUJ0205", 0 },
	82	/* Fujitsu 33600 PnP-I4 R Plug & Play */
	83	{ "FUJ0206", 0 },
	84	/* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
	85	{ "FUJ0209", 0 },
	86	/* Archtek America Corp. */
	87	/* Archtek SmartLink Modem 3334BT Plug & Play */
	88	{ "GVC000F", 0 },
51587cb5 BH	89	/* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
51587cb5 BH	90	{ "GVC0303", 0 },
1da177e4 LT	91	/* Hayes */
	92	/* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
	93	{ "HAY0001", 0 },
	94	/* Hayes Optima 336 V.34 + FAX + Voice PnP */
	95	{ "HAY000C", 0 },
	96	/* Hayes Optima 336B V.34 + FAX + Voice PnP */
	97	{ "HAY000D", 0 },
	98	/* Hayes Accura 56K Ext Fax Modem PnP */
	99	{ "HAY5670", 0 },
	100	/* Hayes Accura 56K Ext Fax Modem PnP */
	101	{ "HAY5674", 0 },
	102	/* Hayes Accura 56K Fax Modem PnP */
	103	{ "HAY5675", 0 },
	104	/* Hayes 288, V.34 + FAX */
	105	{ "HAYF000", 0 },
	106	/* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
	107	{ "HAYF001", 0 },
	108	/* IBM */
	109	/* IBM Thinkpad 701 Internal Modem Voice */
	110	{ "IBM0033", 0 },
ab8ba3a2 BH	111	/* Intermec */
	112	/* Intermec CV60 touchscreen port */
	113	{ "PNP4972", 0 },
1da177e4 LT	114	/* Intertex */
	115	/* Intertex 28k8 33k6 Voice EXT PnP */
	116	{ "IXDC801", 0 },
	117	/* Intertex 33k6 56k Voice EXT PnP */
	118	{ "IXDC901", 0 },
	119	/* Intertex 28k8 33k6 Voice SP EXT PnP */
	120	{ "IXDD801", 0 },
	121	/* Intertex 33k6 56k Voice SP EXT PnP */
	122	{ "IXDD901", 0 },
	123	/* Intertex 28k8 33k6 Voice SP INT PnP */
	124	{ "IXDF401", 0 },
	125	/* Intertex 28k8 33k6 Voice SP EXT PnP */
	126	{ "IXDF801", 0 },
	127	/* Intertex 33k6 56k Voice SP EXT PnP */
	128	{ "IXDF901", 0 },
	129	/* Kortex International */
	130	/* KORTEX 28800 Externe PnP */
	131	{ "KOR4522", 0 },
	132	/* KXPro 33.6 Vocal ASVD PnP */
	133	{ "KORF661", 0 },
	134	/* Lasat */
	135	/* LASAT Internet 33600 PnP */
	136	{ "LAS4040", 0 },
	137	/* Lasat Safire 560 PnP */
	138	{ "LAS4540", 0 },
	139	/* Lasat Safire 336 PnP */
	140	{ "LAS5440", 0 },
	141	/* Microcom, Inc. */
	142	/* Microcom TravelPorte FAST V.34 Plug & Play */
	143	{ "MNP0281", 0 },
	144	/* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
	145	{ "MNP0336", 0 },
	146	/* Microcom DeskPorte FAST EP 28.8 Plug & Play */
	147	{ "MNP0339", 0 },
	148	/* Microcom DeskPorte 28.8P Plug & Play */
	149	{ "MNP0342", 0 },
	150	/* Microcom DeskPorte FAST ES 28.8 Plug & Play */
	151	{ "MNP0500", 0 },
	152	/* Microcom DeskPorte FAST ES 28.8 Plug & Play */
	153	{ "MNP0501", 0 },
	154	/* Microcom DeskPorte 28.8S Internal Plug & Play */
	155	{ "MNP0502", 0 },
	156	/* Motorola */
	157	/* Motorola BitSURFR Plug & Play */
	158	{ "MOT1105", 0 },
	159	/* Motorola TA210 Plug & Play */
	160	{ "MOT1111", 0 },
	161	/* Motorola HMTA 200 (ISDN) Plug & Play */
	162	{ "MOT1114", 0 },
	163	/* Motorola BitSURFR Plug & Play */
	164	{ "MOT1115", 0 },
	165	/* Motorola Lifestyle 28.8 Internal */
	166	{ "MOT1190", 0 },
	167	/* Motorola V.3400 Plug & Play */
	168	{ "MOT1501", 0 },
	169	/* Motorola Lifestyle 28.8 V.34 Plug & Play */
	170	{ "MOT1502", 0 },
	171	/* Motorola Power 28.8 V.34 Plug & Play */
	172	{ "MOT1505", 0 },
	173	/* Motorola ModemSURFR External 28.8 Plug & Play */
	174	{ "MOT1509", 0 },
	175	/* Motorola Premier 33.6 Desktop Plug & Play */
	176	{ "MOT150A", 0 },
	177	/* Motorola VoiceSURFR 56K External PnP */
178	{ "MOT150F", 0 },
179	/* Motorola ModemSURFR 56K External PnP */
180	{ "MOT1510", 0 },
181	/* Motorola ModemSURFR 56K Internal PnP */
182	{ "MOT1550", 0 },
183	/* Motorola ModemSURFR Internal 28.8 Plug & Play */
184	{ "MOT1560", 0 },
185	/* Motorola Premier 33.6 Internal Plug & Play */
186	{ "MOT1580", 0 },
187	/* Motorola OnlineSURFR 28.8 Internal Plug & Play */
188	{ "MOT15B0", 0 },
189	/* Motorola VoiceSURFR 56K Internal PnP */
190	{ "MOT15F0", 0 },
191	/* Com 1 */
192	/* Deskline K56 Phone System PnP */
193	{ "MVX00A1", 0 },
194	/* PC Rider K56 Phone System PnP */
195	{ "MVX00F2", 0 },
196	/* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
197	{ "nEC8241", 0 },
198	/* Pace 56 Voice Internal Plug & Play Modem */
199	{ "PMC2430", 0 },
200	/* Generic */
201	/* Generic standard PC COM port */
202	{ "PNP0500", 0 },
203	/* Generic 16550A-compatible COM port */
204	{ "PNP0501", 0 },
205	/* Compaq 14400 Modem */
206	{ "PNPC000", 0 },
207	/* Compaq 2400/9600 Modem */
208	{ "PNPC001", 0 },
209	/* Dial-Up Networking Serial Cable between 2 PCs */
210	{ "PNPC031", 0 },
211	/* Dial-Up Networking Parallel Cable between 2 PCs */
212	{ "PNPC032", 0 },
213	/* Standard 9600 bps Modem */
214	{ "PNPC100", 0 },
215	/* Standard 14400 bps Modem */
216	{ "PNPC101", 0 },
217	/* Standard 28800 bps Modem*/
218	{ "PNPC102", 0 },
219	/* Standard Modem*/
220	{ "PNPC103", 0 },
221	/* Standard 9600 bps Modem*/
222	{ "PNPC104", 0 },
223	/* Standard 14400 bps Modem*/
224	{ "PNPC105", 0 },
225	/* Standard 28800 bps Modem*/
226	{ "PNPC106", 0 },
227	/* Standard Modem */
228	{ "PNPC107", 0 },
229	/* Standard 9600 bps Modem */
230	{ "PNPC108", 0 },
231	/* Standard 14400 bps Modem */
232	{ "PNPC109", 0 },
233	/* Standard 28800 bps Modem */
234	{ "PNPC10A", 0 },
235	/* Standard Modem */
236	{ "PNPC10B", 0 },
237	/* Standard 9600 bps Modem */
238	{ "PNPC10C", 0 },
239	/* Standard 14400 bps Modem */
240	{ "PNPC10D", 0 },
241	/* Standard 28800 bps Modem */
242	{ "PNPC10E", 0 },
243	/* Standard Modem */
244	{ "PNPC10F", 0 },
245	/* Standard PCMCIA Card Modem */
246	{ "PNP2000", 0 },
247	/* Rockwell */
248	/* Modular Technology */
249	/* Rockwell 33.6 DPF Internal PnP */
250	/* Modular Technology 33.6 Internal PnP */
251	{ "ROK0030", 0 },
252	/* Kortex International */
253	/* KORTEX 14400 Externe PnP */
254	{ "ROK0100", 0 },
255	/* Rockwell 28.8 */
256	{ "ROK4120", 0 },
257	/* Viking Components, Inc */
258	/* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
259	{ "ROK4920", 0 },
260	/* Rockwell */
261	/* British Telecom */
262	/* Modular Technology */
263	/* Rockwell 33.6 DPF External PnP */
264	/* BT Prologue 33.6 External PnP */
265	/* Modular Technology 33.6 External PnP */
266	{ "RSS00A0", 0 },
267	/* Viking 56K FAX INT */
268	{ "RSS0262", 0 },
269	/* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
270	{ "RSS0250", 0 },
271	/* SupraExpress 28.8 Data/Fax PnP modem */
272	{ "SUP1310", 0 },
7fdd4f76 DG	273	/* SupraExpress 336i PnP Voice Modem */
7fdd4f76 DG	274	{ "SUP1381", 0 },
1da177e4 LT	275	/* SupraExpress 33.6 Data/Fax PnP modem */
	276	{ "SUP1421", 0 },
	277	/* SupraExpress 33.6 Data/Fax PnP modem */
	278	{ "SUP1590", 0 },
04f03bf7 BC	279	/* SupraExpress 336i Sp ASVD */
04f03bf7 BC	280	{ "SUP1620", 0 },
1da177e4 LT	281	/* SupraExpress 33.6 Data/Fax PnP modem */
1da177e4 LT	282	{ "SUP1760", 0 },
c1542cbc	283	/* SupraExpress 56i Sp Intl */
c1542cbc	284	{ "SUP2171", 0 },
1da177e4 LT	285	/* Phoebe Micro */
	286	/* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
	287	{ "TEX0011", 0 },
	288	/* Archtek America Corp. */
	289	/* Archtek SmartLink Modem 3334BT Plug & Play */
	290	{ "UAC000F", 0 },
	291	/* 3Com Corp. */
	292	/* Gateway Telepath IIvi 33.6 */
	293	{ "USR0000", 0 },
	294	/* U.S. Robotics Sporster 33.6K Fax INT PnP */
	295	{ "USR0002", 0 },
	296	/* Sportster Vi 14.4 PnP FAX Voicemail */
	297	{ "USR0004", 0 },
	298	/* U.S. Robotics 33.6K Voice INT PnP */
	299	{ "USR0006", 0 },
	300	/* U.S. Robotics 33.6K Voice EXT PnP */
	301	{ "USR0007", 0 },
	302	/* U.S. Robotics Courier V.Everything INT PnP */
	303	{ "USR0009", 0 },
	304	/* U.S. Robotics 33.6K Voice INT PnP */
	305	{ "USR2002", 0 },
	306	/* U.S. Robotics 56K Voice INT PnP */
	307	{ "USR2070", 0 },
	308	/* U.S. Robotics 56K Voice EXT PnP */
	309	{ "USR2080", 0 },
	310	/* U.S. Robotics 56K FAX INT */
	311	{ "USR3031", 0 },
	312	/* U.S. Robotics 56K FAX INT */
	313	{ "USR3050", 0 },
	314	/* U.S. Robotics 56K Voice INT PnP */
	315	{ "USR3070", 0 },
	316	/* U.S. Robotics 56K Voice EXT PnP */
	317	{ "USR3080", 0 },
	318	/* U.S. Robotics 56K Voice INT PnP */
	319	{ "USR3090", 0 },
	320	/* U.S. Robotics 56K Message */
	321	{ "USR9100", 0 },
	322	/* U.S. Robotics 56K FAX EXT PnP*/
	323	{ "USR9160", 0 },
	324	/* U.S. Robotics 56K FAX INT PnP*/
	325	{ "USR9170", 0 },
	326	/* U.S. Robotics 56K Voice EXT PnP*/
	327	{ "USR9180", 0 },
	328	/* U.S. Robotics 56K Voice INT PnP*/
	329	{ "USR9190", 0 },
b07076e6	330	/* Wacom tablets */
6d34855d	331	{ "WACFXXX", 0 },
75fde2ed MG	332	/* Compaq touchscreen */
	333	{ "FPI2002", 0 },
	334	/* Fujitsu Stylistic touchscreens */
	335	{ "FUJ02B2", 0 },
	336	{ "FUJ02B3", 0 },
	337	/* Fujitsu Stylistic LT touchscreens */
	338	{ "FUJ02B4", 0 },
	339	/* Passive Fujitsu Stylistic touchscreens */
	340	{ "FUJ02B6", 0 },
	341	{ "FUJ02B7", 0 },
	342	{ "FUJ02B8", 0 },
	343	{ "FUJ02B9", 0 },
	344	{ "FUJ02BC", 0 },
97ea33f9	345	/* Fujitsu Wacom Tablet PC device */
6149dd5c	346	{ "FUJ02E5", 0 },
97ea33f9	347	/* Fujitsu P-series tablet PC device */
6149dd5c	348	{ "FUJ02E6", 0 },
3018aa4b P	349	/* Fujitsu Wacom 2FGT Tablet PC device */
3018aa4b P	350	{ "FUJ02E7", 0 },
d9901660 PC	351	/* Fujitsu Wacom 1FGT Tablet PC device */
d9901660 PC	352	{ "FUJ02E9", 0 },
71054585	353	/*
740dc2de AW	354	* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6
740dc2de AW	355	* in disguise).
71054585 DJ	356	*/
71054585 DJ	357	{ "LTS0001", 0 },
1da177e4 LT	358	/* Rockwell's (PORALiNK) 33600 INT PNP */
1da177e4 LT	359	{ "WCI0003", 0 },
af901ca1	360	/* Unknown PnP modems */
1da177e4	361	{ "PNPCXXX", UNKNOWN_DEV },
af901ca1	362	/* More unknown PnP modems */
1da177e4	363	{ "PNPDXXX", UNKNOWN_DEV },
740dc2de AW	364	/*
	365	* Winbond CIR port, should not be probed. We should keep track of
	366	* it to prevent the legacy serial driver from probing it.
	367	*/
65ecc9c0	368	{ "WEC1022", CIR_PORT },
ffa34de0	369	/*
740dc2de AW	370	* SMSC IrCC SIR/FIR port, should not be probed by serial driver as
740dc2de AW	371	* well so its own driver can bind to it.
ffa34de0 MS	372	*/
ffa34de0 MS	373	{ "SMCF010", CIR_PORT },
1da177e4 LT	374	{ "", 0 }
	375	};
	376
	377	MODULE_DEVICE_TABLE(pnp, pnp_dev_table);
	378
aa3188d0	379	static const char *modem_names[] = {
1da177e4 LT	380	"MODEM", "Modem", "modem", "FAX", "Fax", "fax",
	381	"56K", "56k", "K56", "33.6", "28.8", "14.4",
	382	"33,600", "28,800", "14,400", "33.600", "28.800", "14.400",
	383	"33600", "28800", "14400", "V.90", "V.34", "V.32", NULL
	384	};
	385
1497f2ce	386	static bool check_name(const char *name)
1da177e4	387	{
aa3188d0	388	const char **tmp;
1da177e4 LT	389
	390	for (tmp = modem_names; *tmp; tmp++)
	391	if (strstr(name, *tmp))
1497f2ce	392	return true;
1da177e4	393
1497f2ce	394	return false;
1da177e4 LT	395	}
1da177e4 LT	396
1497f2ce	397	static bool check_resources(struct pnp_dev *dev)
1da177e4	398	{
aa3188d0	399	static const resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8};
1497f2ce	400	unsigned int i;
1da177e4	401
57fd51a8 BH	402	for (i = 0; i < ARRAY_SIZE(base); i++) {
57fd51a8 BH	403	if (pnp_possible_config(dev, IORESOURCE_IO, base[i], 8))
1497f2ce	404	return true;
1da177e4 LT	405	}
1da177e4 LT	406
1497f2ce	407	return false;
1da177e4 LT	408	}
	409
	410	/*
	411	* Given a complete unknown PnP device, try to use some heuristics to
	412	* detect modems. Currently use such heuristic set:
	413	* - dev->name or dev->bus->name must contain "modem" substring;
	414	* - device must have only one IO region (8 byte long) with base address
	415	* 0x2e8, 0x3e8, 0x2f8 or 0x3f8.
	416	*
	417	* Such detection looks very ugly, but can detect at least some of numerous
	418	* PnP modems, alternatively we must hardcode all modems in pnp_devices[]
	419	* table.
	420	*/
9671f099	421	static int serial_pnp_guess_board(struct pnp_dev *dev)
1da177e4	422	{
3e8d4e20	423	if (!(check_name(pnp_dev_name(dev)) \|\|
b3d67936 AW	424	(dev->card && check_name(dev->card->name))))
b3d67936 AW	425	return -ENODEV;
1da177e4	426
57fd51a8	427	if (check_resources(dev))
1da177e4 LT	428	return 0;
	429
	430	return -ENODEV;
	431	}
	432
9671f099	433	static int
655a0a77	434	serial_pnp_probe(struct pnp_dev dev, const struct pnp_device_id dev_id)
1da177e4	435	{
ee15947c	436	struct uart_8250_port uart, *port;
1da177e4 LT	437	int ret, line, flags = dev_id->driver_data;
	438
	439	if (flags & UNKNOWN_DEV) {
65ecc9c0	440	ret = serial_pnp_guess_board(dev);
1da177e4 LT	441	if (ret < 0)
	442	return ret;
	443	}
	444
2655a2c7	445	memset(&uart, 0, sizeof(uart));
e02f5f52	446	if (pnp_irq_valid(dev, 0))
2655a2c7	447	uart.port.irq = pnp_irq(dev, 0);
c12f9ea2 SY	448	if ((flags & CIR_PORT) && pnp_port_valid(dev, 2)) {
	449	uart.port.iobase = pnp_port_start(dev, 2);
	450	uart.port.iotype = UPIO_PORT;
	451	} else if (pnp_port_valid(dev, 0)) {
	452	uart.port.iobase = pnp_port_start(dev, 0);
2655a2c7	453	uart.port.iotype = UPIO_PORT;
655a0a77	454	} else if (pnp_mem_valid(dev, 0)) {
2655a2c7 AC	455	uart.port.mapbase = pnp_mem_start(dev, 0);
	456	uart.port.iotype = UPIO_MEM;
	457	uart.port.flags = UPF_IOREMAP;
655a0a77 BH	458	} else
655a0a77 BH	459	return -ENODEV;
1da177e4	460
952773b5	461	dev_dbg(&dev->dev,
dfaffb9d HL	462	"Setup PNP port: port %#lx, mem %#llx, irq %u, type %u\n",
dfaffb9d HL	463	uart.port.iobase, (unsigned long long)uart.port.mapbase,
952773b5 PR	464	uart.port.irq, uart.port.iotype);
952773b5 PR	465
65ecc9c0 SY	466	if (flags & CIR_PORT) {
	467	uart.port.flags \|= UPF_FIXED_PORT \| UPF_FIXED_TYPE;
	468	uart.port.type = PORT_8250_CIR;
	469	}
1da177e4	470
2655a2c7	471	uart.port.flags \|= UPF_SKIP_TEST \| UPF_BOOT_AUTOCONF;
cb6358eb	472	if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE)
2655a2c7 AC	473	uart.port.flags \|= UPF_SHARE_IRQ;
2655a2c7 AC	474	uart.port.uartclk = 1843200;
13043207	475	device_property_read_u32(&dev->dev, "clock-frequency", &uart.port.uartclk);
2655a2c7	476	uart.port.dev = &dev->dev;
1da177e4	477
2655a2c7	478	line = serial8250_register_8250_port(&uart);
65ecc9c0	479	if (line < 0 \|\| (flags & CIR_PORT))
9b22271d	480	return -ENODEV;
1da177e4	481
ee15947c PH	482	port = serial8250_get_port(line);
	483	if (uart_console(&port->port))
	484	dev->capabilities \|= PNP_CONSOLE;
	485
9b22271d BH	486	pnp_set_drvdata(dev, (void *)((long)line + 1));
9b22271d BH	487	return 0;
1da177e4 LT	488	}
1da177e4 LT	489
ae8d8a14	490	static void serial_pnp_remove(struct pnp_dev *dev)
1da177e4 LT	491	{
1da177e4 LT	492	long line = (long)pnp_get_drvdata(dev);
ee15947c PH	493
ee15947c PH	494	dev->capabilities &= ~PNP_CONSOLE;
1da177e4 LT	495	if (line)
	496	serial8250_unregister_port(line - 1);
	497	}
	498
72d81961	499	static int __maybe_unused serial_pnp_suspend(struct device *dev)
f29219f1	500	{
72d81961	501	long line = (long)dev_get_drvdata(dev);
f29219f1 MG	502
	503	if (!line)
	504	return -ENODEV;
	505	serial8250_suspend_port(line - 1);
	506	return 0;
	507	}
	508
72d81961	509	static int __maybe_unused serial_pnp_resume(struct device *dev)
f29219f1	510	{
72d81961	511	long line = (long)dev_get_drvdata(dev);
f29219f1 MG	512
	513	if (!line)
	514	return -ENODEV;
	515	serial8250_resume_port(line - 1);
	516	return 0;
	517	}
72d81961 AS	518
72d81961 AS	519	static SIMPLE_DEV_PM_OPS(serial_pnp_pm_ops, serial_pnp_suspend, serial_pnp_resume);
f29219f1	520
1da177e4 LT	521	static struct pnp_driver serial_pnp_driver = {
1da177e4 LT	522	.name = "serial",
1da177e4	523	.probe = serial_pnp_probe,
2d47b716	524	.remove = serial_pnp_remove,
72d81961 AS	525	.driver = {
	526	.pm = &serial_pnp_pm_ops,
	527	},
f29219f1	528	.id_table = pnp_dev_table,
1da177e4 LT	529	};
1da177e4 LT	530
835d844d	531	int serial8250_pnp_init(void)
1da177e4 LT	532	{
	533	return pnp_register_driver(&serial_pnp_driver);
	534	}
	535
835d844d	536	void serial8250_pnp_exit(void)
1da177e4 LT	537	{
	538	pnp_unregister_driver(&serial_pnp_driver);
	539	}
	540