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-rw-r--r--drivers/tty/serial/8250_pnp.c523
1 files changed, 523 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250_pnp.c b/drivers/tty/serial/8250_pnp.c
new file mode 100644
index 000000000000..4822cb50cd0f
--- /dev/null
+++ b/drivers/tty/serial/8250_pnp.c
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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#include <linux/module.h>
17#include <linux/init.h>
18#include <linux/pci.h>
19#include <linux/pnp.h>
20#include <linux/string.h>
21#include <linux/kernel.h>
22#include <linux/serial_core.h>
23#include <linux/bitops.h>
24
25#include <asm/byteorder.h>
26
27#include "8250.h"
28
29#define UNKNOWN_DEV 0x3000
30
31
32static const struct pnp_device_id pnp_dev_table[] = {
33 /* Archtek America Corp. */
34 /* Archtek SmartLink Modem 3334BT Plug & Play */
35 { "AAC000F", 0 },
36 /* Anchor Datacomm BV */
37 /* SXPro 144 External Data Fax Modem Plug & Play */
38 { "ADC0001", 0 },
39 /* SXPro 288 External Data Fax Modem Plug & Play */
40 { "ADC0002", 0 },
41 /* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
42 { "AEI0250", 0 },
43 /* Actiontec ISA PNP 56K X2 Fax Modem */
44 { "AEI1240", 0 },
45 /* Rockwell 56K ACF II Fax+Data+Voice Modem */
46 { "AKY1021", 0 /*SPCI_FL_NO_SHIRQ*/ },
47 /* AZT3005 PnP SOUND DEVICE */
48 { "AZT4001", 0 },
49 /* Best Data Products Inc. Smart One 336F PnP Modem */
50 { "BDP3336", 0 },
51 /* Boca Research */
52 /* Boca Complete Ofc Communicator 14.4 Data-FAX */
53 { "BRI0A49", 0 },
54 /* Boca Research 33,600 ACF Modem */
55 { "BRI1400", 0 },
56 /* Boca 33.6 Kbps Internal FD34FSVD */
57 { "BRI3400", 0 },
58 /* Boca 33.6 Kbps Internal FD34FSVD */
59 { "BRI0A49", 0 },
60 /* Best Data Products Inc. Smart One 336F PnP Modem */
61 { "BDP3336", 0 },
62 /* Computer Peripherals Inc */
63 /* EuroViVa CommCenter-33.6 SP PnP */
64 { "CPI4050", 0 },
65 /* Creative Labs */
66 /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
67 { "CTL3001", 0 },
68 /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
69 { "CTL3011", 0 },
70 /* Davicom ISA 33.6K Modem */
71 { "DAV0336", 0 },
72 /* Creative */
73 /* Creative Modem Blaster Flash56 DI5601-1 */
74 { "DMB1032", 0 },
75 /* Creative Modem Blaster V.90 DI5660 */
76 { "DMB2001", 0 },
77 /* E-Tech */
78 /* E-Tech CyberBULLET PC56RVP */
79 { "ETT0002", 0 },
80 /* FUJITSU */
81 /* Fujitsu 33600 PnP-I2 R Plug & Play */
82 { "FUJ0202", 0 },
83 /* Fujitsu FMV-FX431 Plug & Play */
84 { "FUJ0205", 0 },
85 /* Fujitsu 33600 PnP-I4 R Plug & Play */
86 { "FUJ0206", 0 },
87 /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
88 { "FUJ0209", 0 },
89 /* Archtek America Corp. */
90 /* Archtek SmartLink Modem 3334BT Plug & Play */
91 { "GVC000F", 0 },
92 /* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
93 { "GVC0303", 0 },
94 /* Hayes */
95 /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
96 { "HAY0001", 0 },
97 /* Hayes Optima 336 V.34 + FAX + Voice PnP */
98 { "HAY000C", 0 },
99 /* Hayes Optima 336B V.34 + FAX + Voice PnP */
100 { "HAY000D", 0 },
101 /* Hayes Accura 56K Ext Fax Modem PnP */
102 { "HAY5670", 0 },
103 /* Hayes Accura 56K Ext Fax Modem PnP */
104 { "HAY5674", 0 },
105 /* Hayes Accura 56K Fax Modem PnP */
106 { "HAY5675", 0 },
107 /* Hayes 288, V.34 + FAX */
108 { "HAYF000", 0 },
109 /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
110 { "HAYF001", 0 },
111 /* IBM */
112 /* IBM Thinkpad 701 Internal Modem Voice */
113 { "IBM0033", 0 },
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 },
273 /* SupraExpress 336i PnP Voice Modem */
274 { "SUP1381", 0 },
275 /* SupraExpress 33.6 Data/Fax PnP modem */
276 { "SUP1421", 0 },
277 /* SupraExpress 33.6 Data/Fax PnP modem */
278 { "SUP1590", 0 },
279 /* SupraExpress 336i Sp ASVD */
280 { "SUP1620", 0 },
281 /* SupraExpress 33.6 Data/Fax PnP modem */
282 { "SUP1760", 0 },
283 /* SupraExpress 56i Sp Intl */
284 { "SUP2171", 0 },
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 },
330 /* Wacom tablets */
331 { "WACFXXX", 0 },
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 },
345 /* Fujitsu Wacom Tablet PC device */
346 { "FUJ02E5", 0 },
347 /* Fujitsu P-series tablet PC device */
348 { "FUJ02E6", 0 },
349 /* Fujitsu Wacom 2FGT Tablet PC device */
350 { "FUJ02E7", 0 },
351 /* Fujitsu Wacom 1FGT Tablet PC device */
352 { "FUJ02E9", 0 },
353 /*
354 * LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in
355 * disguise)
356 */
357 { "LTS0001", 0 },
358 /* Rockwell's (PORALiNK) 33600 INT PNP */
359 { "WCI0003", 0 },
360 /* Unknown PnP modems */
361 { "PNPCXXX", UNKNOWN_DEV },
362 /* More unknown PnP modems */
363 { "PNPDXXX", UNKNOWN_DEV },
364 { "", 0 }
365};
366
367MODULE_DEVICE_TABLE(pnp, pnp_dev_table);
368
369static char *modem_names[] __devinitdata = {
370 "MODEM", "Modem", "modem", "FAX", "Fax", "fax",
371 "56K", "56k", "K56", "33.6", "28.8", "14.4",
372 "33,600", "28,800", "14,400", "33.600", "28.800", "14.400",
373 "33600", "28800", "14400", "V.90", "V.34", "V.32", NULL
374};
375
376static int __devinit check_name(char *name)
377{
378 char **tmp;
379
380 for (tmp = modem_names; *tmp; tmp++)
381 if (strstr(name, *tmp))
382 return 1;
383
384 return 0;
385}
386
387static int __devinit check_resources(struct pnp_dev *dev)
388{
389 resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8};
390 int i;
391
392 for (i = 0; i < ARRAY_SIZE(base); i++) {
393 if (pnp_possible_config(dev, IORESOURCE_IO, base[i], 8))
394 return 1;
395 }
396
397 return 0;
398}
399
400/*
401 * Given a complete unknown PnP device, try to use some heuristics to
402 * detect modems. Currently use such heuristic set:
403 * - dev->name or dev->bus->name must contain "modem" substring;
404 * - device must have only one IO region (8 byte long) with base address
405 * 0x2e8, 0x3e8, 0x2f8 or 0x3f8.
406 *
407 * Such detection looks very ugly, but can detect at least some of numerous
408 * PnP modems, alternatively we must hardcode all modems in pnp_devices[]
409 * table.
410 */
411static int __devinit serial_pnp_guess_board(struct pnp_dev *dev, int *flags)
412{
413 if (!(check_name(pnp_dev_name(dev)) ||
414 (dev->card && check_name(dev->card->name))))
415 return -ENODEV;
416
417 if (check_resources(dev))
418 return 0;
419
420 return -ENODEV;
421}
422
423static int __devinit
424serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
425{
426 struct uart_port port;
427 int ret, line, flags = dev_id->driver_data;
428
429 if (flags & UNKNOWN_DEV) {
430 ret = serial_pnp_guess_board(dev, &flags);
431 if (ret < 0)
432 return ret;
433 }
434
435 memset(&port, 0, sizeof(struct uart_port));
436 if (pnp_irq_valid(dev, 0))
437 port.irq = pnp_irq(dev, 0);
438 if (pnp_port_valid(dev, 0)) {
439 port.iobase = pnp_port_start(dev, 0);
440 port.iotype = UPIO_PORT;
441 } else if (pnp_mem_valid(dev, 0)) {
442 port.mapbase = pnp_mem_start(dev, 0);
443 port.iotype = UPIO_MEM;
444 port.flags = UPF_IOREMAP;
445 } else
446 return -ENODEV;
447
448#ifdef SERIAL_DEBUG_PNP
449 printk(KERN_DEBUG
450 "Setup PNP port: port %x, mem 0x%lx, irq %d, type %d\n",
451 port.iobase, port.mapbase, port.irq, port.iotype);
452#endif
453
454 port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
455 if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE)
456 port.flags |= UPF_SHARE_IRQ;
457 port.uartclk = 1843200;
458 port.dev = &dev->dev;
459
460 line = serial8250_register_port(&port);
461 if (line < 0)
462 return -ENODEV;
463
464 pnp_set_drvdata(dev, (void *)((long)line + 1));
465 return 0;
466}
467
468static void __devexit serial_pnp_remove(struct pnp_dev *dev)
469{
470 long line = (long)pnp_get_drvdata(dev);
471 if (line)
472 serial8250_unregister_port(line - 1);
473}
474
475#ifdef CONFIG_PM
476static int serial_pnp_suspend(struct pnp_dev *dev, pm_message_t state)
477{
478 long line = (long)pnp_get_drvdata(dev);
479
480 if (!line)
481 return -ENODEV;
482 serial8250_suspend_port(line - 1);
483 return 0;
484}
485
486static int serial_pnp_resume(struct pnp_dev *dev)
487{
488 long line = (long)pnp_get_drvdata(dev);
489
490 if (!line)
491 return -ENODEV;
492 serial8250_resume_port(line - 1);
493 return 0;
494}
495#else
496#define serial_pnp_suspend NULL
497#define serial_pnp_resume NULL
498#endif /* CONFIG_PM */
499
500static struct pnp_driver serial_pnp_driver = {
501 .name = "serial",
502 .probe = serial_pnp_probe,
503 .remove = __devexit_p(serial_pnp_remove),
504 .suspend = serial_pnp_suspend,
505 .resume = serial_pnp_resume,
506 .id_table = pnp_dev_table,
507};
508
509static int __init serial8250_pnp_init(void)
510{
511 return pnp_register_driver(&serial_pnp_driver);
512}
513
514static void __exit serial8250_pnp_exit(void)
515{
516 pnp_unregister_driver(&serial_pnp_driver);
517}
518
519module_init(serial8250_pnp_init);
520module_exit(serial8250_pnp_exit);
521
522MODULE_LICENSE("GPL");
523MODULE_DESCRIPTION("Generic 8250/16x50 PnP serial driver");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 02:59:55 -0500