acpi_pnp.c

  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
 14#include "internal.h"
 15
 16static const struct acpi_device_id acpi_pnp_device_ids[] = {
 17	/* pata_isapnp */
 18	{"PNP0600"},		/* Generic ESDI/IDE/ATA compatible hard disk controller */
 19	/* floppy */
 20	{"PNP0700"},
 21	/* tpm_inf_pnp */
 22	{"IFX0101"},		/* Infineon TPMs */
 23	{"IFX0102"},		/* Infineon TPMs */
 24	/*tpm_tis */
 25	{"PNP0C31"},		/* TPM */
 26	{"ATM1200"},		/* Atmel */
 27	{"IFX0102"},		/* Infineon */
 28	{"BCM0101"},		/* Broadcom */
 29	{"BCM0102"},		/* Broadcom */
 30	{"NSC1200"},		/* National */
 31	{"ICO0102"},		/* Intel */
 32	/* ide   */
 33	{"PNP0600"},		/* Generic ESDI/IDE/ATA compatible hard disk controller */
 34	/* ns558 */
 35	{"ASB16fd"},		/* AdLib NSC16 */
 36	{"AZT3001"},		/* AZT1008 */
 37	{"CDC0001"},		/* Opl3-SAx */
 38	{"CSC0001"},		/* CS4232 */
 39	{"CSC000f"},		/* CS4236 */
 40	{"CSC0101"},		/* CS4327 */
 41	{"CTL7001"},		/* SB16 */
 42	{"CTL7002"},		/* AWE64 */
 43	{"CTL7005"},		/* Vibra16 */
 44	{"ENS2020"},		/* SoundscapeVIVO */
 45	{"ESS0001"},		/* ES1869 */
 46	{"ESS0005"},		/* ES1878 */
 47	{"ESS6880"},		/* ES688 */
 48	{"IBM0012"},		/* CS4232 */
 49	{"OPT0001"},		/* OPTi Audio16 */
 50	{"YMH0006"},		/* Opl3-SA */
 51	{"YMH0022"},		/* Opl3-SAx */
 52	{"PNPb02f"},		/* Generic */
 53	/* i8042 kbd */
 54	{"PNP0300"},
 55	{"PNP0301"},
 56	{"PNP0302"},
 57	{"PNP0303"},
 58	{"PNP0304"},
 59	{"PNP0305"},
 60	{"PNP0306"},
 61	{"PNP0309"},
 62	{"PNP030a"},
 63	{"PNP030b"},
 64	{"PNP0320"},
 65	{"PNP0343"},
 66	{"PNP0344"},
 67	{"PNP0345"},
 68	{"CPQA0D7"},
 69	/* i8042 aux */
 70	{"AUI0200"},
 71	{"FJC6000"},
 72	{"FJC6001"},
 73	{"PNP0f03"},
 74	{"PNP0f0b"},
 75	{"PNP0f0e"},
 76	{"PNP0f12"},
 77	{"PNP0f13"},
 78	{"PNP0f19"},
 79	{"PNP0f1c"},
 80	{"SYN0801"},
 81	/* fcpnp */
 82	{"AVM0900"},
 83	/* radio-cadet */
 84	{"MSM0c24"},		/* ADS Cadet AM/FM Radio Card */
 85	/* radio-gemtek */
 86	{"ADS7183"},		/* AOpen FX-3D/Pro Radio */
 87	/* radio-sf16fmr2 */
 88	{"MFRad13"},		/* tuner subdevice of SF16-FMD2 */
 89	/* ene_ir */
 90	{"ENE0100"},
 91	{"ENE0200"},
 92	{"ENE0201"},
 93	{"ENE0202"},
 94	/* fintek-cir */
 95	{"FIT0002"},		/* CIR */
 96	/* ite-cir */
 97	{"ITE8704"},		/* Default model */
 98	{"ITE8713"},		/* CIR found in EEEBox 1501U */
 99	{"ITE8708"},		/* Bridged IT8512 */
100	{"ITE8709"},		/* SRAM-Bridged IT8512 */
101	/* nuvoton-cir */
102	{"WEC0530"},		/* CIR */
103	{"NTN0530"},		/* CIR for new chip's pnp id */
104	/* Winbond CIR */
105	{"WEC1022"},
106	/* wbsd */
107	{"WEC0517"},
108	{"WEC0518"},
109	/* Winbond CIR */
110	{"TCM5090"},		/* 3Com Etherlink III (TP) */
111	{"TCM5091"},		/* 3Com Etherlink III */
112	{"TCM5094"},		/* 3Com Etherlink III (combo) */
113	{"TCM5095"},		/* 3Com Etherlink III (TPO) */
114	{"TCM5098"},		/* 3Com Etherlink III (TPC) */
115	{"PNP80f7"},		/* 3Com Etherlink III compatible */
116	{"PNP80f8"},		/* 3Com Etherlink III compatible */
117	/* nsc-ircc */
118	{"NSC6001"},
119	{"HWPC224"},
120	{"IBM0071"},
121	/* smsc-ircc2 */
122	{"SMCf010"},
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	{"CPI4050"},		/* Computer Peripherals Inc. EuroViVa CommCenter-33.6 SP PnP */
158	{"CTL3001"},		/* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
159	{"CTL3011"},		/* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
160	{"DAV0336"},		/* Davicom ISA 33.6K Modem */
161	{"DMB1032"},		/* Creative Modem Blaster Flash56 DI5601-1 */
162	{"DMB2001"},		/* Creative Modem Blaster V.90 DI5660 */
163	{"ETT0002"},		/* E-Tech CyberBULLET PC56RVP */
164	{"FUJ0202"},		/* Fujitsu 33600 PnP-I2 R Plug & Play */
165	{"FUJ0205"},		/* Fujitsu FMV-FX431 Plug & Play */
166	{"FUJ0206"},		/* Fujitsu 33600 PnP-I4 R Plug & Play */
167	{"FUJ0209"},		/* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
168	{"GVC000F"},		/* Archtek SmartLink Modem 3334BT Plug & Play */
169	{"GVC0303"},		/* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
170	{"HAY0001"},		/* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
171	{"HAY000C"},		/* Hayes Optima 336 V.34 + FAX + Voice PnP */
172	{"HAY000D"},		/* Hayes Optima 336B V.34 + FAX + Voice PnP */
173	{"HAY5670"},		/* Hayes Accura 56K Ext Fax Modem PnP */
174	{"HAY5674"},		/* Hayes Accura 56K Ext Fax Modem PnP */
175	{"HAY5675"},		/* Hayes Accura 56K Fax Modem PnP */
176	{"HAYF000"},		/* Hayes 288, V.34 + FAX */
177	{"HAYF001"},		/* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
178	{"IBM0033"},		/* IBM Thinkpad 701 Internal Modem Voice */
179	{"PNP4972"},		/* Intermec CV60 touchscreen port */
180	{"IXDC801"},		/* Intertex 28k8 33k6 Voice EXT PnP */
181	{"IXDC901"},		/* Intertex 33k6 56k Voice EXT PnP */
182	{"IXDD801"},		/* Intertex 28k8 33k6 Voice SP EXT PnP */
183	{"IXDD901"},		/* Intertex 33k6 56k Voice SP EXT PnP */
184	{"IXDF401"},		/* Intertex 28k8 33k6 Voice SP INT PnP */
185	{"IXDF801"},		/* Intertex 28k8 33k6 Voice SP EXT PnP */
186	{"IXDF901"},		/* Intertex 33k6 56k Voice SP EXT PnP */
187	{"KOR4522"},		/* KORTEX 28800 Externe PnP */
188	{"KORF661"},		/* KXPro 33.6 Vocal ASVD PnP */
189	{"LAS4040"},		/* LASAT Internet 33600 PnP */
190	{"LAS4540"},		/* Lasat Safire 560 PnP */
191	{"LAS5440"},		/* Lasat Safire 336  PnP */
192	{"MNP0281"},		/* Microcom TravelPorte FAST V.34 Plug & Play */
193	{"MNP0336"},		/* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
194	{"MNP0339"},		/* Microcom DeskPorte FAST EP 28.8 Plug & Play */
195	{"MNP0342"},		/* Microcom DeskPorte 28.8P Plug & Play */
196	{"MNP0500"},		/* Microcom DeskPorte FAST ES 28.8 Plug & Play */
197	{"MNP0501"},		/* Microcom DeskPorte FAST ES 28.8 Plug & Play */
198	{"MNP0502"},		/* Microcom DeskPorte 28.8S Internal Plug & Play */
199	{"MOT1105"},		/* Motorola BitSURFR Plug & Play */
200	{"MOT1111"},		/* Motorola TA210 Plug & Play */
201	{"MOT1114"},		/* Motorola HMTA 200 (ISDN) Plug & Play */
202	{"MOT1115"},		/* Motorola BitSURFR Plug & Play */
203	{"MOT1190"},		/* Motorola Lifestyle 28.8 Internal */
204	{"MOT1501"},		/* Motorola V.3400 Plug & Play */
205	{"MOT1502"},		/* Motorola Lifestyle 28.8 V.34 Plug & Play */
206	{"MOT1505"},		/* Motorola Power 28.8 V.34 Plug & Play */
207	{"MOT1509"},		/* Motorola ModemSURFR External 28.8 Plug & Play */
208	{"MOT150A"},		/* Motorola Premier 33.6 Desktop Plug & Play */
209	{"MOT150F"},		/* Motorola VoiceSURFR 56K External PnP */
210	{"MOT1510"},		/* Motorola ModemSURFR 56K External PnP */
211	{"MOT1550"},		/* Motorola ModemSURFR 56K Internal PnP */
212	{"MOT1560"},		/* Motorola ModemSURFR Internal 28.8 Plug & Play */
213	{"MOT1580"},		/* Motorola Premier 33.6 Internal Plug & Play */
214	{"MOT15B0"},		/* Motorola OnlineSURFR 28.8 Internal Plug & Play */
215	{"MOT15F0"},		/* Motorola VoiceSURFR 56K Internal PnP */
216	{"MVX00A1"},		/*  Deskline K56 Phone System PnP */
217	{"MVX00F2"},		/* PC Rider K56 Phone System PnP */
218	{"nEC8241"},		/* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
219	{"PMC2430"},		/* Pace 56 Voice Internal Plug & Play Modem */
220	{"PNP0500"},		/* Generic standard PC COM port     */
221	{"PNP0501"},		/* Generic 16550A-compatible COM port */
222	{"PNPC000"},		/* Compaq 14400 Modem */
223	{"PNPC001"},		/* Compaq 2400/9600 Modem */
224	{"PNPC031"},		/* Dial-Up Networking Serial Cable between 2 PCs */
225	{"PNPC032"},		/* Dial-Up Networking Parallel Cable between 2 PCs */
226	{"PNPC100"},		/* Standard 9600 bps Modem */
227	{"PNPC101"},		/* Standard 14400 bps Modem */
228	{"PNPC102"},		/*  Standard 28800 bps Modem */
229	{"PNPC103"},		/*  Standard Modem */
230	{"PNPC104"},		/*  Standard 9600 bps Modem */
231	{"PNPC105"},		/*  Standard 14400 bps Modem */
232	{"PNPC106"},		/*  Standard 28800 bps Modem */
233	{"PNPC107"},		/*  Standard Modem */
234	{"PNPC108"},		/* Standard 9600 bps Modem */
235	{"PNPC109"},		/* Standard 14400 bps Modem */
236	{"PNPC10A"},		/* Standard 28800 bps Modem */
237	{"PNPC10B"},		/* Standard Modem */
238	{"PNPC10C"},		/* Standard 9600 bps Modem */
239	{"PNPC10D"},		/* Standard 14400 bps Modem */
240	{"PNPC10E"},		/* Standard 28800 bps Modem */
241	{"PNPC10F"},		/* Standard Modem */
242	{"PNP2000"},		/* Standard PCMCIA Card Modem */
243	{"ROK0030"},		/* Rockwell 33.6 DPF Internal PnP, Modular Technology 33.6 Internal PnP */
244	{"ROK0100"},		/* KORTEX 14400 Externe PnP */
245	{"ROK4120"},		/* Rockwell 28.8 */
246	{"ROK4920"},		/* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
247	{"RSS00A0"},		/* Rockwell 33.6 DPF External PnP, BT Prologue 33.6 External PnP, Modular Technology 33.6 External PnP */
248	{"RSS0262"},		/* Viking 56K FAX INT */
249	{"RSS0250"},		/* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
250	{"SUP1310"},		/* SupraExpress 28.8 Data/Fax PnP modem */
251	{"SUP1381"},		/* SupraExpress 336i PnP Voice Modem */
252	{"SUP1421"},		/* SupraExpress 33.6 Data/Fax PnP modem */
253	{"SUP1590"},		/* SupraExpress 33.6 Data/Fax PnP modem */
254	{"SUP1620"},		/* SupraExpress 336i Sp ASVD */
255	{"SUP1760"},		/* SupraExpress 33.6 Data/Fax PnP modem */
256	{"SUP2171"},		/* SupraExpress 56i Sp Intl */
257	{"TEX0011"},		/* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
258	{"UAC000F"},		/* Archtek SmartLink Modem 3334BT Plug & Play */
259	{"USR0000"},		/* 3Com Corp. Gateway Telepath IIvi 33.6 */
260	{"USR0002"},		/* U.S. Robotics Sporster 33.6K Fax INT PnP */
261	{"USR0004"},		/*  Sportster Vi 14.4 PnP FAX Voicemail */
262	{"USR0006"},		/* U.S. Robotics 33.6K Voice INT PnP */
263	{"USR0007"},		/* U.S. Robotics 33.6K Voice EXT PnP */
264	{"USR0009"},		/* U.S. Robotics Courier V.Everything INT PnP */
265	{"USR2002"},		/* U.S. Robotics 33.6K Voice INT PnP */
266	{"USR2070"},		/* U.S. Robotics 56K Voice INT PnP */
267	{"USR2080"},		/* U.S. Robotics 56K Voice EXT PnP */
268	{"USR3031"},		/* U.S. Robotics 56K FAX INT */
269	{"USR3050"},		/* U.S. Robotics 56K FAX INT */
270	{"USR3070"},		/* U.S. Robotics 56K Voice INT PnP */
271	{"USR3080"},		/* U.S. Robotics 56K Voice EXT PnP */
272	{"USR3090"},		/* U.S. Robotics 56K Voice INT PnP */
273	{"USR9100"},		/* U.S. Robotics 56K Message  */
274	{"USR9160"},		/* U.S. Robotics 56K FAX EXT PnP */
275	{"USR9170"},		/* U.S. Robotics 56K FAX INT PnP */
276	{"USR9180"},		/* U.S. Robotics 56K Voice EXT PnP */
277	{"USR9190"},		/* U.S. Robotics 56K Voice INT PnP */
278	{"WACFXXX"},		/* Wacom tablets */
279	{"FPI2002"},		/* Compaq touchscreen */
280	{"FUJ02B2"},		/* Fujitsu Stylistic touchscreens */
281	{"FUJ02B3"},
282	{"FUJ02B4"},		/* Fujitsu Stylistic LT touchscreens */
283	{"FUJ02B6"},		/* Passive Fujitsu Stylistic touchscreens */
284	{"FUJ02B7"},
285	{"FUJ02B8"},
286	{"FUJ02B9"},
287	{"FUJ02BC"},
288	{"FUJ02E5"},		/* Fujitsu Wacom Tablet PC device */
289	{"FUJ02E6"},		/* Fujitsu P-series tablet PC device */
290	{"FUJ02E7"},		/* Fujitsu Wacom 2FGT Tablet PC device */
291	{"FUJ02E9"},		/* Fujitsu Wacom 1FGT Tablet PC device */
292	{"LTS0001"},		/* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in disguise) */
293	{"WCI0003"},		/* Rockwell's (PORALiNK) 33600 INT PNP */
294	{"WEC1022"},		/* Winbond CIR port, should not be probed. We should keep track of it to prevent the legacy serial driver from probing it */
295	/* scl200wdt */
296	{"NSC0800"},		/* National Semiconductor PC87307/PC97307 watchdog component */
297	/* mpu401 */
298	{"PNPb006"},
299	/* cs423x-pnpbios */
300	{"CSC0100"},
301	{"CSC0103"},
302	{"CSC0110"},
303	{"CSC0000"},
304	{"GIM0100"},		/* Guillemot Turtlebeach something appears to be cs4232 compatible */
305	/* es18xx-pnpbios */
306	{"ESS1869"},
307	{"ESS1879"},
308	/* snd-opl3sa2-pnpbios */
309	{"YMH0021"},
310	{"NMX2210"},		/* Gateway Solo 2500 */
311	{""},
312};
313
314static bool matching_id(const char *idstr, const char *list_id)
315{
316	int i;
317
318	if (strlen(idstr) != strlen(list_id))
319		return false;
320
321	if (memcmp(idstr, list_id, 3))
322		return false;
323
324	for (i = 3; i < 7; i++) {
325		char c = toupper(idstr[i]);
326
327		if (!isxdigit(c)
328		    || (list_id[i] != 'X' && c != toupper(list_id[i])))
329			return false;
330	}
331	return true;
332}
333
334static bool acpi_pnp_match(const char *idstr, const struct acpi_device_id **matchid)
335{
336	const struct acpi_device_id *devid;
337
338	for (devid = acpi_pnp_device_ids; devid->id[0]; devid++)
339		if (matching_id(idstr, (char *)devid->id)) {
340			if (matchid)
341				*matchid = devid;
342
343			return true;
344		}
345
346	return false;
347}
348
349/*
350 * If one of the device IDs below is present in the list of device IDs of a
351 * given ACPI device object, the PNP scan handler will not attach to that
352 * object, because there is a proper non-PNP driver in the kernel for the
353 * device represented by it.
354 */
355static const struct acpi_device_id acpi_nonpnp_device_ids[] = {
356	{"INT3F0D"},
357	{"INTC1080"},
358	{"INTC1081"},
359	{"INTC1099"},
360	{""},
361};
362
363static int acpi_pnp_attach(struct acpi_device *adev,
364			   const struct acpi_device_id *id)
365{
366	return !!acpi_match_device_ids(adev, acpi_nonpnp_device_ids);
367}
368
369static struct acpi_scan_handler acpi_pnp_handler = {
370	.ids = acpi_pnp_device_ids,
371	.match = acpi_pnp_match,
372	.attach = acpi_pnp_attach,
373};
374
375/*
376 * For CMOS RTC devices, the PNP ACPI scan handler does not work, because
377 * there is a CMOS RTC ACPI scan handler installed already, so we need to
378 * check those devices and enumerate them to the PNP bus directly.
379 */
380static int is_cmos_rtc_device(struct acpi_device *adev)
381{
382	static const struct acpi_device_id ids[] = {
383		{ "PNP0B00" },
384		{ "PNP0B01" },
385		{ "PNP0B02" },
386		{""},
387	};
388	return !acpi_match_device_ids(adev, ids);
389}
390
391bool acpi_is_pnp_device(struct acpi_device *adev)
392{
393	return adev->handler == &acpi_pnp_handler || is_cmos_rtc_device(adev);
394}
395EXPORT_SYMBOL_GPL(acpi_is_pnp_device);
396
397void __init acpi_pnp_init(void)
398{
399	acpi_scan_add_handler(&acpi_pnp_handler);
400}