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1/*
2 * Probe module for 8250/16550-type ISAPNP serial ports.
3 *
4 * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
5 *
6 * Copyright (C) 2001 Russell King, All Rights Reserved.
7 *
8 * Ported to the Linux PnP Layer - (C) Adam Belay.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License.
13 */
14#include <linux/module.h>
15#include <linux/init.h>
16#include <linux/pci.h>
17#include <linux/pnp.h>
18#include <linux/string.h>
19#include <linux/kernel.h>
20#include <linux/serial_core.h>
21#include <linux/bitops.h>
22
23#include <asm/byteorder.h>
24
25#include "8250.h"
26
27#define UNKNOWN_DEV 0x3000
28
29
30static const struct pnp_device_id pnp_dev_table[] = {
31 /* Archtek America Corp. */
32 /* Archtek SmartLink Modem 3334BT Plug & Play */
33 { "AAC000F", 0 },
34 /* Anchor Datacomm BV */
35 /* SXPro 144 External Data Fax Modem Plug & Play */
36 { "ADC0001", 0 },
37 /* SXPro 288 External Data Fax Modem Plug & Play */
38 { "ADC0002", 0 },
39 /* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
40 { "AEI0250", 0 },
41 /* Actiontec ISA PNP 56K X2 Fax Modem */
42 { "AEI1240", 0 },
43 /* Rockwell 56K ACF II Fax+Data+Voice Modem */
44 { "AKY1021", 0 /*SPCI_FL_NO_SHIRQ*/ },
45 /* AZT3005 PnP SOUND DEVICE */
46 { "AZT4001", 0 },
47 /* Best Data Products Inc. Smart One 336F PnP Modem */
48 { "BDP3336", 0 },
49 /* Boca Research */
50 /* Boca Complete Ofc Communicator 14.4 Data-FAX */
51 { "BRI0A49", 0 },
52 /* Boca Research 33,600 ACF Modem */
53 { "BRI1400", 0 },
54 /* Boca 33.6 Kbps Internal FD34FSVD */
55 { "BRI3400", 0 },
56 /* Boca 33.6 Kbps Internal FD34FSVD */
57 { "BRI0A49", 0 },
58 /* Best Data Products Inc. Smart One 336F PnP Modem */
59 { "BDP3336", 0 },
60 /* Computer Peripherals Inc */
61 /* EuroViVa CommCenter-33.6 SP PnP */
62 { "CPI4050", 0 },
63 /* Creative Labs */
64 /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
65 { "CTL3001", 0 },
66 /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
67 { "CTL3011", 0 },
68 /* Davicom ISA 33.6K Modem */
69 { "DAV0336", 0 },
70 /* Creative */
71 /* Creative Modem Blaster Flash56 DI5601-1 */
72 { "DMB1032", 0 },
73 /* Creative Modem Blaster V.90 DI5660 */
74 { "DMB2001", 0 },
75 /* E-Tech */
76 /* E-Tech CyberBULLET PC56RVP */
77 { "ETT0002", 0 },
78 /* FUJITSU */
79 /* Fujitsu 33600 PnP-I2 R Plug & Play */
80 { "FUJ0202", 0 },
81 /* Fujitsu FMV-FX431 Plug & Play */
82 { "FUJ0205", 0 },
83 /* Fujitsu 33600 PnP-I4 R Plug & Play */
84 { "FUJ0206", 0 },
85 /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
86 { "FUJ0209", 0 },
87 /* Archtek America Corp. */
88 /* Archtek SmartLink Modem 3334BT Plug & Play */
89 { "GVC000F", 0 },
90 /* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
91 { "GVC0303", 0 },
92 /* Hayes */
93 /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
94 { "HAY0001", 0 },
95 /* Hayes Optima 336 V.34 + FAX + Voice PnP */
96 { "HAY000C", 0 },
97 /* Hayes Optima 336B V.34 + FAX + Voice PnP */
98 { "HAY000D", 0 },
99 /* Hayes Accura 56K Ext Fax Modem PnP */
100 { "HAY5670", 0 },
101 /* Hayes Accura 56K Ext Fax Modem PnP */
102 { "HAY5674", 0 },
103 /* Hayes Accura 56K Fax Modem PnP */
104 { "HAY5675", 0 },
105 /* Hayes 288, V.34 + FAX */
106 { "HAYF000", 0 },
107 /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
108 { "HAYF001", 0 },
109 /* IBM */
110 /* IBM Thinkpad 701 Internal Modem Voice */
111 { "IBM0033", 0 },
112 /* Intermec */
113 /* Intermec CV60 touchscreen port */
114 { "PNP4972", 0 },
115 /* Intertex */
116 /* Intertex 28k8 33k6 Voice EXT PnP */
117 { "IXDC801", 0 },
118 /* Intertex 33k6 56k Voice EXT PnP */
119 { "IXDC901", 0 },
120 /* Intertex 28k8 33k6 Voice SP EXT PnP */
121 { "IXDD801", 0 },
122 /* Intertex 33k6 56k Voice SP EXT PnP */
123 { "IXDD901", 0 },
124 /* Intertex 28k8 33k6 Voice SP INT PnP */
125 { "IXDF401", 0 },
126 /* Intertex 28k8 33k6 Voice SP EXT PnP */
127 { "IXDF801", 0 },
128 /* Intertex 33k6 56k Voice SP EXT PnP */
129 { "IXDF901", 0 },
130 /* Kortex International */
131 /* KORTEX 28800 Externe PnP */
132 { "KOR4522", 0 },
133 /* KXPro 33.6 Vocal ASVD PnP */
134 { "KORF661", 0 },
135 /* Lasat */
136 /* LASAT Internet 33600 PnP */
137 { "LAS4040", 0 },
138 /* Lasat Safire 560 PnP */
139 { "LAS4540", 0 },
140 /* Lasat Safire 336 PnP */
141 { "LAS5440", 0 },
142 /* Microcom, Inc. */
143 /* Microcom TravelPorte FAST V.34 Plug & Play */
144 { "MNP0281", 0 },
145 /* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
146 { "MNP0336", 0 },
147 /* Microcom DeskPorte FAST EP 28.8 Plug & Play */
148 { "MNP0339", 0 },
149 /* Microcom DeskPorte 28.8P Plug & Play */
150 { "MNP0342", 0 },
151 /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
152 { "MNP0500", 0 },
153 /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
154 { "MNP0501", 0 },
155 /* Microcom DeskPorte 28.8S Internal Plug & Play */
156 { "MNP0502", 0 },
157 /* Motorola */
158 /* Motorola BitSURFR Plug & Play */
159 { "MOT1105", 0 },
160 /* Motorola TA210 Plug & Play */
161 { "MOT1111", 0 },
162 /* Motorola HMTA 200 (ISDN) Plug & Play */
163 { "MOT1114", 0 },
164 /* Motorola BitSURFR Plug & Play */
165 { "MOT1115", 0 },
166 /* Motorola Lifestyle 28.8 Internal */
167 { "MOT1190", 0 },
168 /* Motorola V.3400 Plug & Play */
169 { "MOT1501", 0 },
170 /* Motorola Lifestyle 28.8 V.34 Plug & Play */
171 { "MOT1502", 0 },
172 /* Motorola Power 28.8 V.34 Plug & Play */
173 { "MOT1505", 0 },
174 /* Motorola ModemSURFR External 28.8 Plug & Play */
175 { "MOT1509", 0 },
176 /* Motorola Premier 33.6 Desktop Plug & Play */
177 { "MOT150A", 0 },
178 /* Motorola VoiceSURFR 56K External PnP */
179 { "MOT150F", 0 },
180 /* Motorola ModemSURFR 56K External PnP */
181 { "MOT1510", 0 },
182 /* Motorola ModemSURFR 56K Internal PnP */
183 { "MOT1550", 0 },
184 /* Motorola ModemSURFR Internal 28.8 Plug & Play */
185 { "MOT1560", 0 },
186 /* Motorola Premier 33.6 Internal Plug & Play */
187 { "MOT1580", 0 },
188 /* Motorola OnlineSURFR 28.8 Internal Plug & Play */
189 { "MOT15B0", 0 },
190 /* Motorola VoiceSURFR 56K Internal PnP */
191 { "MOT15F0", 0 },
192 /* Com 1 */
193 /* Deskline K56 Phone System PnP */
194 { "MVX00A1", 0 },
195 /* PC Rider K56 Phone System PnP */
196 { "MVX00F2", 0 },
197 /* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
198 { "nEC8241", 0 },
199 /* Pace 56 Voice Internal Plug & Play Modem */
200 { "PMC2430", 0 },
201 /* Generic */
202 /* Generic standard PC COM port */
203 { "PNP0500", 0 },
204 /* Generic 16550A-compatible COM port */
205 { "PNP0501", 0 },
206 /* Compaq 14400 Modem */
207 { "PNPC000", 0 },
208 /* Compaq 2400/9600 Modem */
209 { "PNPC001", 0 },
210 /* Dial-Up Networking Serial Cable between 2 PCs */
211 { "PNPC031", 0 },
212 /* Dial-Up Networking Parallel Cable between 2 PCs */
213 { "PNPC032", 0 },
214 /* Standard 9600 bps Modem */
215 { "PNPC100", 0 },
216 /* Standard 14400 bps Modem */
217 { "PNPC101", 0 },
218 /* Standard 28800 bps Modem*/
219 { "PNPC102", 0 },
220 /* Standard Modem*/
221 { "PNPC103", 0 },
222 /* Standard 9600 bps Modem*/
223 { "PNPC104", 0 },
224 /* Standard 14400 bps Modem*/
225 { "PNPC105", 0 },
226 /* Standard 28800 bps Modem*/
227 { "PNPC106", 0 },
228 /* Standard Modem */
229 { "PNPC107", 0 },
230 /* Standard 9600 bps Modem */
231 { "PNPC108", 0 },
232 /* Standard 14400 bps Modem */
233 { "PNPC109", 0 },
234 /* Standard 28800 bps Modem */
235 { "PNPC10A", 0 },
236 /* Standard Modem */
237 { "PNPC10B", 0 },
238 /* Standard 9600 bps Modem */
239 { "PNPC10C", 0 },
240 /* Standard 14400 bps Modem */
241 { "PNPC10D", 0 },
242 /* Standard 28800 bps Modem */
243 { "PNPC10E", 0 },
244 /* Standard Modem */
245 { "PNPC10F", 0 },
246 /* Standard PCMCIA Card Modem */
247 { "PNP2000", 0 },
248 /* Rockwell */
249 /* Modular Technology */
250 /* Rockwell 33.6 DPF Internal PnP */
251 /* Modular Technology 33.6 Internal PnP */
252 { "ROK0030", 0 },
253 /* Kortex International */
254 /* KORTEX 14400 Externe PnP */
255 { "ROK0100", 0 },
256 /* Rockwell 28.8 */
257 { "ROK4120", 0 },
258 /* Viking Components, Inc */
259 /* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
260 { "ROK4920", 0 },
261 /* Rockwell */
262 /* British Telecom */
263 /* Modular Technology */
264 /* Rockwell 33.6 DPF External PnP */
265 /* BT Prologue 33.6 External PnP */
266 /* Modular Technology 33.6 External PnP */
267 { "RSS00A0", 0 },
268 /* Viking 56K FAX INT */
269 { "RSS0262", 0 },
270 /* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
271 { "RSS0250", 0 },
272 /* SupraExpress 28.8 Data/Fax PnP modem */
273 { "SUP1310", 0 },
274 /* SupraExpress 336i PnP Voice Modem */
275 { "SUP1381", 0 },
276 /* SupraExpress 33.6 Data/Fax PnP modem */
277 { "SUP1421", 0 },
278 /* SupraExpress 33.6 Data/Fax PnP modem */
279 { "SUP1590", 0 },
280 /* SupraExpress 336i Sp ASVD */
281 { "SUP1620", 0 },
282 /* SupraExpress 33.6 Data/Fax PnP modem */
283 { "SUP1760", 0 },
284 /* SupraExpress 56i Sp Intl */
285 { "SUP2171", 0 },
286 /* Phoebe Micro */
287 /* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
288 { "TEX0011", 0 },
289 /* Archtek America Corp. */
290 /* Archtek SmartLink Modem 3334BT Plug & Play */
291 { "UAC000F", 0 },
292 /* 3Com Corp. */
293 /* Gateway Telepath IIvi 33.6 */
294 { "USR0000", 0 },
295 /* U.S. Robotics Sporster 33.6K Fax INT PnP */
296 { "USR0002", 0 },
297 /* Sportster Vi 14.4 PnP FAX Voicemail */
298 { "USR0004", 0 },
299 /* U.S. Robotics 33.6K Voice INT PnP */
300 { "USR0006", 0 },
301 /* U.S. Robotics 33.6K Voice EXT PnP */
302 { "USR0007", 0 },
303 /* U.S. Robotics Courier V.Everything INT PnP */
304 { "USR0009", 0 },
305 /* U.S. Robotics 33.6K Voice INT PnP */
306 { "USR2002", 0 },
307 /* U.S. Robotics 56K Voice INT PnP */
308 { "USR2070", 0 },
309 /* U.S. Robotics 56K Voice EXT PnP */
310 { "USR2080", 0 },
311 /* U.S. Robotics 56K FAX INT */
312 { "USR3031", 0 },
313 /* U.S. Robotics 56K FAX INT */
314 { "USR3050", 0 },
315 /* U.S. Robotics 56K Voice INT PnP */
316 { "USR3070", 0 },
317 /* U.S. Robotics 56K Voice EXT PnP */
318 { "USR3080", 0 },
319 /* U.S. Robotics 56K Voice INT PnP */
320 { "USR3090", 0 },
321 /* U.S. Robotics 56K Message */
322 { "USR9100", 0 },
323 /* U.S. Robotics 56K FAX EXT PnP*/
324 { "USR9160", 0 },
325 /* U.S. Robotics 56K FAX INT PnP*/
326 { "USR9170", 0 },
327 /* U.S. Robotics 56K Voice EXT PnP*/
328 { "USR9180", 0 },
329 /* U.S. Robotics 56K Voice INT PnP*/
330 { "USR9190", 0 },
331 /* Wacom tablets */
332 { "WACFXXX", 0 },
333 /* Compaq touchscreen */
334 { "FPI2002", 0 },
335 /* Fujitsu Stylistic touchscreens */
336 { "FUJ02B2", 0 },
337 { "FUJ02B3", 0 },
338 /* Fujitsu Stylistic LT touchscreens */
339 { "FUJ02B4", 0 },
340 /* Passive Fujitsu Stylistic touchscreens */
341 { "FUJ02B6", 0 },
342 { "FUJ02B7", 0 },
343 { "FUJ02B8", 0 },
344 { "FUJ02B9", 0 },
345 { "FUJ02BC", 0 },
346 /* Fujitsu Wacom Tablet PC device */
347 { "FUJ02E5", 0 },
348 /* Fujitsu P-series tablet PC device */
349 { "FUJ02E6", 0 },
350 /* Fujitsu Wacom 2FGT Tablet PC device */
351 { "FUJ02E7", 0 },
352 /* Fujitsu Wacom 1FGT Tablet PC device */
353 { "FUJ02E9", 0 },
354 /*
355 * LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in
356 * disguise)
357 */
358 { "LTS0001", 0 },
359 /* Rockwell's (PORALiNK) 33600 INT PNP */
360 { "WCI0003", 0 },
361 /* Unknown PnP modems */
362 { "PNPCXXX", UNKNOWN_DEV },
363 /* More unknown PnP modems */
364 { "PNPDXXX", UNKNOWN_DEV },
365 { "", 0 }
366};
367
368MODULE_DEVICE_TABLE(pnp, pnp_dev_table);
369
370static char *modem_names[] __devinitdata = {
371 "MODEM", "Modem", "modem", "FAX", "Fax", "fax",
372 "56K", "56k", "K56", "33.6", "28.8", "14.4",
373 "33,600", "28,800", "14,400", "33.600", "28.800", "14.400",
374 "33600", "28800", "14400", "V.90", "V.34", "V.32", NULL
375};
376
377static int __devinit check_name(char *name)
378{
379 char **tmp;
380
381 for (tmp = modem_names; *tmp; tmp++)
382 if (strstr(name, *tmp))
383 return 1;
384
385 return 0;
386}
387
388static int __devinit check_resources(struct pnp_dev *dev)
389{
390 resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8};
391 int i;
392
393 for (i = 0; i < ARRAY_SIZE(base); i++) {
394 if (pnp_possible_config(dev, IORESOURCE_IO, base[i], 8))
395 return 1;
396 }
397
398 return 0;
399}
400
401/*
402 * Given a complete unknown PnP device, try to use some heuristics to
403 * detect modems. Currently use such heuristic set:
404 * - dev->name or dev->bus->name must contain "modem" substring;
405 * - device must have only one IO region (8 byte long) with base address
406 * 0x2e8, 0x3e8, 0x2f8 or 0x3f8.
407 *
408 * Such detection looks very ugly, but can detect at least some of numerous
409 * PnP modems, alternatively we must hardcode all modems in pnp_devices[]
410 * table.
411 */
412static int __devinit serial_pnp_guess_board(struct pnp_dev *dev, int *flags)
413{
414 if (!(check_name(pnp_dev_name(dev)) ||
415 (dev->card && check_name(dev->card->name))))
416 return -ENODEV;
417
418 if (check_resources(dev))
419 return 0;
420
421 return -ENODEV;
422}
423
424static int __devinit
425serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
426{
427 struct uart_port port;
428 int ret, line, flags = dev_id->driver_data;
429
430 if (flags & UNKNOWN_DEV) {
431 ret = serial_pnp_guess_board(dev, &flags);
432 if (ret < 0)
433 return ret;
434 }
435
436 memset(&port, 0, sizeof(struct uart_port));
437 if (pnp_irq_valid(dev, 0))
438 port.irq = pnp_irq(dev, 0);
439 if (pnp_port_valid(dev, 0)) {
440 port.iobase = pnp_port_start(dev, 0);
441 port.iotype = UPIO_PORT;
442 } else if (pnp_mem_valid(dev, 0)) {
443 port.mapbase = pnp_mem_start(dev, 0);
444 port.iotype = UPIO_MEM;
445 port.flags = UPF_IOREMAP;
446 } else
447 return -ENODEV;
448
449#ifdef SERIAL_DEBUG_PNP
450 printk(KERN_DEBUG
451 "Setup PNP port: port %x, mem 0x%lx, irq %d, type %d\n",
452 port.iobase, port.mapbase, port.irq, port.iotype);
453#endif
454
455 port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
456 if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE)
457 port.flags |= UPF_SHARE_IRQ;
458 port.uartclk = 1843200;
459 port.dev = &dev->dev;
460
461 line = serial8250_register_port(&port);
462 if (line < 0)
463 return -ENODEV;
464
465 pnp_set_drvdata(dev, (void *)((long)line + 1));
466 return 0;
467}
468
469static void __devexit serial_pnp_remove(struct pnp_dev *dev)
470{
471 long line = (long)pnp_get_drvdata(dev);
472 if (line)
473 serial8250_unregister_port(line - 1);
474}
475
476#ifdef CONFIG_PM
477static int serial_pnp_suspend(struct pnp_dev *dev, pm_message_t state)
478{
479 long line = (long)pnp_get_drvdata(dev);
480
481 if (!line)
482 return -ENODEV;
483 serial8250_suspend_port(line - 1);
484 return 0;
485}
486
487static int serial_pnp_resume(struct pnp_dev *dev)
488{
489 long line = (long)pnp_get_drvdata(dev);
490
491 if (!line)
492 return -ENODEV;
493 serial8250_resume_port(line - 1);
494 return 0;
495}
496#else
497#define serial_pnp_suspend NULL
498#define serial_pnp_resume NULL
499#endif /* CONFIG_PM */
500
501static struct pnp_driver serial_pnp_driver = {
502 .name = "serial",
503 .probe = serial_pnp_probe,
504 .remove = __devexit_p(serial_pnp_remove),
505 .suspend = serial_pnp_suspend,
506 .resume = serial_pnp_resume,
507 .id_table = pnp_dev_table,
508};
509
510static int __init serial8250_pnp_init(void)
511{
512 return pnp_register_driver(&serial_pnp_driver);
513}
514
515static void __exit serial8250_pnp_exit(void)
516{
517 pnp_unregister_driver(&serial_pnp_driver);
518}
519
520module_init(serial8250_pnp_init);
521module_exit(serial8250_pnp_exit);
522
523MODULE_LICENSE("GPL");
524MODULE_DESCRIPTION("Generic 8250/16x50 PnP serial driver");