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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * ACPI support for PNP bus type
4 *
5 * Copyright (C) 2014, Intel Corporation
6 * Authors: Zhang Rui <rui.zhang@intel.com>
7 * Rafael J. Wysocki <rafael.j.wysocki@intel.com>
8 */
9
10#include <linux/acpi.h>
11#include <linux/module.h>
12#include <linux/ctype.h>
13
14static const struct acpi_device_id acpi_pnp_device_ids[] = {
15 /* pata_isapnp */
16 {"PNP0600"}, /* Generic ESDI/IDE/ATA compatible hard disk controller */
17 /* floppy */
18 {"PNP0700"},
19 /* tpm_inf_pnp */
20 {"IFX0101"}, /* Infineon TPMs */
21 {"IFX0102"}, /* Infineon TPMs */
22 /*tpm_tis */
23 {"PNP0C31"}, /* TPM */
24 {"ATM1200"}, /* Atmel */
25 {"IFX0102"}, /* Infineon */
26 {"BCM0101"}, /* Broadcom */
27 {"BCM0102"}, /* Broadcom */
28 {"NSC1200"}, /* National */
29 {"ICO0102"}, /* Intel */
30 /* ide */
31 {"PNP0600"}, /* Generic ESDI/IDE/ATA compatible hard disk controller */
32 /* ns558 */
33 {"ASB16fd"}, /* AdLib NSC16 */
34 {"AZT3001"}, /* AZT1008 */
35 {"CDC0001"}, /* Opl3-SAx */
36 {"CSC0001"}, /* CS4232 */
37 {"CSC000f"}, /* CS4236 */
38 {"CSC0101"}, /* CS4327 */
39 {"CTL7001"}, /* SB16 */
40 {"CTL7002"}, /* AWE64 */
41 {"CTL7005"}, /* Vibra16 */
42 {"ENS2020"}, /* SoundscapeVIVO */
43 {"ESS0001"}, /* ES1869 */
44 {"ESS0005"}, /* ES1878 */
45 {"ESS6880"}, /* ES688 */
46 {"IBM0012"}, /* CS4232 */
47 {"OPT0001"}, /* OPTi Audio16 */
48 {"YMH0006"}, /* Opl3-SA */
49 {"YMH0022"}, /* Opl3-SAx */
50 {"PNPb02f"}, /* Generic */
51 /* i8042 kbd */
52 {"PNP0300"},
53 {"PNP0301"},
54 {"PNP0302"},
55 {"PNP0303"},
56 {"PNP0304"},
57 {"PNP0305"},
58 {"PNP0306"},
59 {"PNP0309"},
60 {"PNP030a"},
61 {"PNP030b"},
62 {"PNP0320"},
63 {"PNP0343"},
64 {"PNP0344"},
65 {"PNP0345"},
66 {"CPQA0D7"},
67 /* i8042 aux */
68 {"AUI0200"},
69 {"FJC6000"},
70 {"FJC6001"},
71 {"PNP0f03"},
72 {"PNP0f0b"},
73 {"PNP0f0e"},
74 {"PNP0f12"},
75 {"PNP0f13"},
76 {"PNP0f19"},
77 {"PNP0f1c"},
78 {"SYN0801"},
79 /* fcpnp */
80 {"AVM0900"},
81 /* radio-cadet */
82 {"MSM0c24"}, /* ADS Cadet AM/FM Radio Card */
83 /* radio-gemtek */
84 {"ADS7183"}, /* AOpen FX-3D/Pro Radio */
85 /* radio-sf16fmr2 */
86 {"MFRad13"}, /* tuner subdevice of SF16-FMD2 */
87 /* ene_ir */
88 {"ENE0100"},
89 {"ENE0200"},
90 {"ENE0201"},
91 {"ENE0202"},
92 /* fintek-cir */
93 {"FIT0002"}, /* CIR */
94 /* ite-cir */
95 {"ITE8704"}, /* Default model */
96 {"ITE8713"}, /* CIR found in EEEBox 1501U */
97 {"ITE8708"}, /* Bridged IT8512 */
98 {"ITE8709"}, /* SRAM-Bridged IT8512 */
99 /* nuvoton-cir */
100 {"WEC0530"}, /* CIR */
101 {"NTN0530"}, /* CIR for new chip's pnp id */
102 /* Winbond CIR */
103 {"WEC1022"},
104 /* wbsd */
105 {"WEC0517"},
106 {"WEC0518"},
107 /* Winbond CIR */
108 {"TCM5090"}, /* 3Com Etherlink III (TP) */
109 {"TCM5091"}, /* 3Com Etherlink III */
110 {"TCM5094"}, /* 3Com Etherlink III (combo) */
111 {"TCM5095"}, /* 3Com Etherlink III (TPO) */
112 {"TCM5098"}, /* 3Com Etherlink III (TPC) */
113 {"PNP80f7"}, /* 3Com Etherlink III compatible */
114 {"PNP80f8"}, /* 3Com Etherlink III compatible */
115 /* nsc-ircc */
116 {"NSC6001"},
117 {"HWPC224"},
118 {"IBM0071"},
119 /* smsc-ircc2 */
120 {"SMCf010"},
121 /* sb1000 */
122 {"GIC1000"},
123 /* parport_pc */
124 {"PNP0400"}, /* Standard LPT Printer Port */
125 {"PNP0401"}, /* ECP Printer Port */
126 /* apple-gmux */
127 {"APP000B"},
128 /* system */
129 {"PNP0c02"}, /* General ID for reserving resources */
130 {"PNP0c01"}, /* memory controller */
131 /* rtc_cmos */
132 {"PNP0b00"},
133 {"PNP0b01"},
134 {"PNP0b02"},
135 /* c6xdigio */
136 {"PNP0400"}, /* Standard LPT Printer Port */
137 {"PNP0401"}, /* ECP Printer Port */
138 /* ni_atmio.c */
139 {"NIC1900"},
140 {"NIC2400"},
141 {"NIC2500"},
142 {"NIC2600"},
143 {"NIC2700"},
144 /* serial */
145 {"AAC000F"}, /* Archtek America Corp. Archtek SmartLink Modem 3334BT Plug & Play */
146 {"ADC0001"}, /* Anchor Datacomm BV. SXPro 144 External Data Fax Modem Plug & Play */
147 {"ADC0002"}, /* SXPro 288 External Data Fax Modem Plug & Play */
148 {"AEI0250"}, /* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
149 {"AEI1240"}, /* Actiontec ISA PNP 56K X2 Fax Modem */
150 {"AKY1021"}, /* Rockwell 56K ACF II Fax+Data+Voice Modem */
151 {"ALI5123"}, /* ALi Fast Infrared Controller */
152 {"AZT4001"}, /* AZT3005 PnP SOUND DEVICE */
153 {"BDP3336"}, /* Best Data Products Inc. Smart One 336F PnP Modem */
154 {"BRI0A49"}, /* Boca Complete Ofc Communicator 14.4 Data-FAX */
155 {"BRI1400"}, /* Boca Research 33,600 ACF Modem */
156 {"BRI3400"}, /* Boca 33.6 Kbps Internal FD34FSVD */
157 {"BRI0A49"}, /* Boca 33.6 Kbps Internal FD34FSVD */
158 {"BDP3336"}, /* Best Data Products Inc. Smart One 336F PnP Modem */
159 {"CPI4050"}, /* Computer Peripherals Inc. EuroViVa CommCenter-33.6 SP PnP */
160 {"CTL3001"}, /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
161 {"CTL3011"}, /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
162 {"DAV0336"}, /* Davicom ISA 33.6K Modem */
163 {"DMB1032"}, /* Creative Modem Blaster Flash56 DI5601-1 */
164 {"DMB2001"}, /* Creative Modem Blaster V.90 DI5660 */
165 {"ETT0002"}, /* E-Tech CyberBULLET PC56RVP */
166 {"FUJ0202"}, /* Fujitsu 33600 PnP-I2 R Plug & Play */
167 {"FUJ0205"}, /* Fujitsu FMV-FX431 Plug & Play */
168 {"FUJ0206"}, /* Fujitsu 33600 PnP-I4 R Plug & Play */
169 {"FUJ0209"}, /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
170 {"GVC000F"}, /* Archtek SmartLink Modem 3334BT Plug & Play */
171 {"GVC0303"}, /* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
172 {"HAY0001"}, /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
173 {"HAY000C"}, /* Hayes Optima 336 V.34 + FAX + Voice PnP */
174 {"HAY000D"}, /* Hayes Optima 336B V.34 + FAX + Voice PnP */
175 {"HAY5670"}, /* Hayes Accura 56K Ext Fax Modem PnP */
176 {"HAY5674"}, /* Hayes Accura 56K Ext Fax Modem PnP */
177 {"HAY5675"}, /* Hayes Accura 56K Fax Modem PnP */
178 {"HAYF000"}, /* Hayes 288, V.34 + FAX */
179 {"HAYF001"}, /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
180 {"IBM0033"}, /* IBM Thinkpad 701 Internal Modem Voice */
181 {"PNP4972"}, /* Intermec CV60 touchscreen port */
182 {"IXDC801"}, /* Intertex 28k8 33k6 Voice EXT PnP */
183 {"IXDC901"}, /* Intertex 33k6 56k Voice EXT PnP */
184 {"IXDD801"}, /* Intertex 28k8 33k6 Voice SP EXT PnP */
185 {"IXDD901"}, /* Intertex 33k6 56k Voice SP EXT PnP */
186 {"IXDF401"}, /* Intertex 28k8 33k6 Voice SP INT PnP */
187 {"IXDF801"}, /* Intertex 28k8 33k6 Voice SP EXT PnP */
188 {"IXDF901"}, /* Intertex 33k6 56k Voice SP EXT PnP */
189 {"KOR4522"}, /* KORTEX 28800 Externe PnP */
190 {"KORF661"}, /* KXPro 33.6 Vocal ASVD PnP */
191 {"LAS4040"}, /* LASAT Internet 33600 PnP */
192 {"LAS4540"}, /* Lasat Safire 560 PnP */
193 {"LAS5440"}, /* Lasat Safire 336 PnP */
194 {"MNP0281"}, /* Microcom TravelPorte FAST V.34 Plug & Play */
195 {"MNP0336"}, /* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
196 {"MNP0339"}, /* Microcom DeskPorte FAST EP 28.8 Plug & Play */
197 {"MNP0342"}, /* Microcom DeskPorte 28.8P Plug & Play */
198 {"MNP0500"}, /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
199 {"MNP0501"}, /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
200 {"MNP0502"}, /* Microcom DeskPorte 28.8S Internal Plug & Play */
201 {"MOT1105"}, /* Motorola BitSURFR Plug & Play */
202 {"MOT1111"}, /* Motorola TA210 Plug & Play */
203 {"MOT1114"}, /* Motorola HMTA 200 (ISDN) Plug & Play */
204 {"MOT1115"}, /* Motorola BitSURFR Plug & Play */
205 {"MOT1190"}, /* Motorola Lifestyle 28.8 Internal */
206 {"MOT1501"}, /* Motorola V.3400 Plug & Play */
207 {"MOT1502"}, /* Motorola Lifestyle 28.8 V.34 Plug & Play */
208 {"MOT1505"}, /* Motorola Power 28.8 V.34 Plug & Play */
209 {"MOT1509"}, /* Motorola ModemSURFR External 28.8 Plug & Play */
210 {"MOT150A"}, /* Motorola Premier 33.6 Desktop Plug & Play */
211 {"MOT150F"}, /* Motorola VoiceSURFR 56K External PnP */
212 {"MOT1510"}, /* Motorola ModemSURFR 56K External PnP */
213 {"MOT1550"}, /* Motorola ModemSURFR 56K Internal PnP */
214 {"MOT1560"}, /* Motorola ModemSURFR Internal 28.8 Plug & Play */
215 {"MOT1580"}, /* Motorola Premier 33.6 Internal Plug & Play */
216 {"MOT15B0"}, /* Motorola OnlineSURFR 28.8 Internal Plug & Play */
217 {"MOT15F0"}, /* Motorola VoiceSURFR 56K Internal PnP */
218 {"MVX00A1"}, /* Deskline K56 Phone System PnP */
219 {"MVX00F2"}, /* PC Rider K56 Phone System PnP */
220 {"nEC8241"}, /* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
221 {"PMC2430"}, /* Pace 56 Voice Internal Plug & Play Modem */
222 {"PNP0500"}, /* Generic standard PC COM port */
223 {"PNP0501"}, /* Generic 16550A-compatible COM port */
224 {"PNPC000"}, /* Compaq 14400 Modem */
225 {"PNPC001"}, /* Compaq 2400/9600 Modem */
226 {"PNPC031"}, /* Dial-Up Networking Serial Cable between 2 PCs */
227 {"PNPC032"}, /* Dial-Up Networking Parallel Cable between 2 PCs */
228 {"PNPC100"}, /* Standard 9600 bps Modem */
229 {"PNPC101"}, /* Standard 14400 bps Modem */
230 {"PNPC102"}, /* Standard 28800 bps Modem */
231 {"PNPC103"}, /* Standard Modem */
232 {"PNPC104"}, /* Standard 9600 bps Modem */
233 {"PNPC105"}, /* Standard 14400 bps Modem */
234 {"PNPC106"}, /* Standard 28800 bps Modem */
235 {"PNPC107"}, /* Standard Modem */
236 {"PNPC108"}, /* Standard 9600 bps Modem */
237 {"PNPC109"}, /* Standard 14400 bps Modem */
238 {"PNPC10A"}, /* Standard 28800 bps Modem */
239 {"PNPC10B"}, /* Standard Modem */
240 {"PNPC10C"}, /* Standard 9600 bps Modem */
241 {"PNPC10D"}, /* Standard 14400 bps Modem */
242 {"PNPC10E"}, /* Standard 28800 bps Modem */
243 {"PNPC10F"}, /* Standard Modem */
244 {"PNP2000"}, /* Standard PCMCIA Card Modem */
245 {"ROK0030"}, /* Rockwell 33.6 DPF Internal PnP, Modular Technology 33.6 Internal PnP */
246 {"ROK0100"}, /* KORTEX 14400 Externe PnP */
247 {"ROK4120"}, /* Rockwell 28.8 */
248 {"ROK4920"}, /* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
249 {"RSS00A0"}, /* Rockwell 33.6 DPF External PnP, BT Prologue 33.6 External PnP, Modular Technology 33.6 External PnP */
250 {"RSS0262"}, /* Viking 56K FAX INT */
251 {"RSS0250"}, /* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
252 {"SUP1310"}, /* SupraExpress 28.8 Data/Fax PnP modem */
253 {"SUP1381"}, /* SupraExpress 336i PnP Voice Modem */
254 {"SUP1421"}, /* SupraExpress 33.6 Data/Fax PnP modem */
255 {"SUP1590"}, /* SupraExpress 33.6 Data/Fax PnP modem */
256 {"SUP1620"}, /* SupraExpress 336i Sp ASVD */
257 {"SUP1760"}, /* SupraExpress 33.6 Data/Fax PnP modem */
258 {"SUP2171"}, /* SupraExpress 56i Sp Intl */
259 {"TEX0011"}, /* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
260 {"UAC000F"}, /* Archtek SmartLink Modem 3334BT Plug & Play */
261 {"USR0000"}, /* 3Com Corp. Gateway Telepath IIvi 33.6 */
262 {"USR0002"}, /* U.S. Robotics Sporster 33.6K Fax INT PnP */
263 {"USR0004"}, /* Sportster Vi 14.4 PnP FAX Voicemail */
264 {"USR0006"}, /* U.S. Robotics 33.6K Voice INT PnP */
265 {"USR0007"}, /* U.S. Robotics 33.6K Voice EXT PnP */
266 {"USR0009"}, /* U.S. Robotics Courier V.Everything INT PnP */
267 {"USR2002"}, /* U.S. Robotics 33.6K Voice INT PnP */
268 {"USR2070"}, /* U.S. Robotics 56K Voice INT PnP */
269 {"USR2080"}, /* U.S. Robotics 56K Voice EXT PnP */
270 {"USR3031"}, /* U.S. Robotics 56K FAX INT */
271 {"USR3050"}, /* U.S. Robotics 56K FAX INT */
272 {"USR3070"}, /* U.S. Robotics 56K Voice INT PnP */
273 {"USR3080"}, /* U.S. Robotics 56K Voice EXT PnP */
274 {"USR3090"}, /* U.S. Robotics 56K Voice INT PnP */
275 {"USR9100"}, /* U.S. Robotics 56K Message */
276 {"USR9160"}, /* U.S. Robotics 56K FAX EXT PnP */
277 {"USR9170"}, /* U.S. Robotics 56K FAX INT PnP */
278 {"USR9180"}, /* U.S. Robotics 56K Voice EXT PnP */
279 {"USR9190"}, /* U.S. Robotics 56K Voice INT PnP */
280 {"WACFXXX"}, /* Wacom tablets */
281 {"FPI2002"}, /* Compaq touchscreen */
282 {"FUJ02B2"}, /* Fujitsu Stylistic touchscreens */
283 {"FUJ02B3"},
284 {"FUJ02B4"}, /* Fujitsu Stylistic LT touchscreens */
285 {"FUJ02B6"}, /* Passive Fujitsu Stylistic touchscreens */
286 {"FUJ02B7"},
287 {"FUJ02B8"},
288 {"FUJ02B9"},
289 {"FUJ02BC"},
290 {"FUJ02E5"}, /* Fujitsu Wacom Tablet PC device */
291 {"FUJ02E6"}, /* Fujitsu P-series tablet PC device */
292 {"FUJ02E7"}, /* Fujitsu Wacom 2FGT Tablet PC device */
293 {"FUJ02E9"}, /* Fujitsu Wacom 1FGT Tablet PC device */
294 {"LTS0001"}, /* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in disguise) */
295 {"WCI0003"}, /* Rockwell's (PORALiNK) 33600 INT PNP */
296 {"WEC1022"}, /* Winbond CIR port, should not be probed. We should keep track of it to prevent the legacy serial driver from probing it */
297 /* scl200wdt */
298 {"NSC0800"}, /* National Semiconductor PC87307/PC97307 watchdog component */
299 /* mpu401 */
300 {"PNPb006"},
301 /* cs423x-pnpbios */
302 {"CSC0100"},
303 {"CSC0103"},
304 {"CSC0110"},
305 {"CSC0000"},
306 {"GIM0100"}, /* Guillemot Turtlebeach something appears to be cs4232 compatible */
307 /* es18xx-pnpbios */
308 {"ESS1869"},
309 {"ESS1879"},
310 /* snd-opl3sa2-pnpbios */
311 {"YMH0021"},
312 {"NMX2210"}, /* Gateway Solo 2500 */
313 {""},
314};
315
316static bool matching_id(const char *idstr, const char *list_id)
317{
318 int i;
319
320 if (memcmp(idstr, list_id, 3))
321 return false;
322
323 for (i = 3; i < 7; i++) {
324 char c = toupper(idstr[i]);
325
326 if (!isxdigit(c)
327 || (list_id[i] != 'X' && c != toupper(list_id[i])))
328 return false;
329 }
330 return true;
331}
332
333static bool acpi_pnp_match(const char *idstr, const struct acpi_device_id **matchid)
334{
335 const struct acpi_device_id *devid;
336
337 for (devid = acpi_pnp_device_ids; devid->id[0]; devid++)
338 if (matching_id(idstr, (char *)devid->id)) {
339 if (matchid)
340 *matchid = devid;
341
342 return true;
343 }
344
345 return false;
346}
347
348static int acpi_pnp_attach(struct acpi_device *adev,
349 const struct acpi_device_id *id)
350{
351 return 1;
352}
353
354static struct acpi_scan_handler acpi_pnp_handler = {
355 .ids = acpi_pnp_device_ids,
356 .match = acpi_pnp_match,
357 .attach = acpi_pnp_attach,
358};
359
360/*
361 * For CMOS RTC devices, the PNP ACPI scan handler does not work, because
362 * there is a CMOS RTC ACPI scan handler installed already, so we need to
363 * check those devices and enumerate them to the PNP bus directly.
364 */
365static int is_cmos_rtc_device(struct acpi_device *adev)
366{
367 static const struct acpi_device_id ids[] = {
368 { "PNP0B00" },
369 { "PNP0B01" },
370 { "PNP0B02" },
371 {""},
372 };
373 return !acpi_match_device_ids(adev, ids);
374}
375
376bool acpi_is_pnp_device(struct acpi_device *adev)
377{
378 return adev->handler == &acpi_pnp_handler || is_cmos_rtc_device(adev);
379}
380EXPORT_SYMBOL_GPL(acpi_is_pnp_device);
381
382void __init acpi_pnp_init(void)
383{
384 acpi_scan_add_handler(&acpi_pnp_handler);
385}