Merge branch 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[sfrench/cifs-2.6.git] / drivers / acpi / acpi_pnp.c
1 /*
2  * ACPI support for PNP bus type
3  *
4  * Copyright (C) 2014, Intel Corporation
5  * Authors: Zhang Rui <rui.zhang@intel.com>
6  *          Rafael J. Wysocki <rafael.j.wysocki@intel.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12
13 #include <linux/acpi.h>
14 #include <linux/module.h>
15 #include <linux/ctype.h>
16
17 static const struct acpi_device_id acpi_pnp_device_ids[] = {
18         /* pata_isapnp */
19         {"PNP0600"},            /* Generic ESDI/IDE/ATA compatible hard disk controller */
20         /* floppy */
21         {"PNP0700"},
22         /* ipmi_si */
23         {"IPI0001"},
24         /* tpm_inf_pnp */
25         {"IFX0101"},            /* Infineon TPMs */
26         {"IFX0102"},            /* Infineon TPMs */
27         /*tpm_tis */
28         {"PNP0C31"},            /* TPM */
29         {"ATM1200"},            /* Atmel */
30         {"IFX0102"},            /* Infineon */
31         {"BCM0101"},            /* Broadcom */
32         {"BCM0102"},            /* Broadcom */
33         {"NSC1200"},            /* National */
34         {"ICO0102"},            /* Intel */
35         /* ide   */
36         {"PNP0600"},            /* Generic ESDI/IDE/ATA compatible hard disk controller */
37         /* ns558 */
38         {"ASB16fd"},            /* AdLib NSC16 */
39         {"AZT3001"},            /* AZT1008 */
40         {"CDC0001"},            /* Opl3-SAx */
41         {"CSC0001"},            /* CS4232 */
42         {"CSC000f"},            /* CS4236 */
43         {"CSC0101"},            /* CS4327 */
44         {"CTL7001"},            /* SB16 */
45         {"CTL7002"},            /* AWE64 */
46         {"CTL7005"},            /* Vibra16 */
47         {"ENS2020"},            /* SoundscapeVIVO */
48         {"ESS0001"},            /* ES1869 */
49         {"ESS0005"},            /* ES1878 */
50         {"ESS6880"},            /* ES688 */
51         {"IBM0012"},            /* CS4232 */
52         {"OPT0001"},            /* OPTi Audio16 */
53         {"YMH0006"},            /* Opl3-SA */
54         {"YMH0022"},            /* Opl3-SAx */
55         {"PNPb02f"},            /* Generic */
56         /* i8042 kbd */
57         {"PNP0300"},
58         {"PNP0301"},
59         {"PNP0302"},
60         {"PNP0303"},
61         {"PNP0304"},
62         {"PNP0305"},
63         {"PNP0306"},
64         {"PNP0309"},
65         {"PNP030a"},
66         {"PNP030b"},
67         {"PNP0320"},
68         {"PNP0343"},
69         {"PNP0344"},
70         {"PNP0345"},
71         {"CPQA0D7"},
72         /* i8042 aux */
73         {"AUI0200"},
74         {"FJC6000"},
75         {"FJC6001"},
76         {"PNP0f03"},
77         {"PNP0f0b"},
78         {"PNP0f0e"},
79         {"PNP0f12"},
80         {"PNP0f13"},
81         {"PNP0f19"},
82         {"PNP0f1c"},
83         {"SYN0801"},
84         /* fcpnp */
85         {"AVM0900"},
86         /* radio-cadet */
87         {"MSM0c24"},            /* ADS Cadet AM/FM Radio Card */
88         /* radio-gemtek */
89         {"ADS7183"},            /* AOpen FX-3D/Pro Radio */
90         /* radio-sf16fmr2 */
91         {"MFRad13"},            /* tuner subdevice of SF16-FMD2 */
92         /* ene_ir */
93         {"ENE0100"},
94         {"ENE0200"},
95         {"ENE0201"},
96         {"ENE0202"},
97         /* fintek-cir */
98         {"FIT0002"},            /* CIR */
99         /* ite-cir */
100         {"ITE8704"},            /* Default model */
101         {"ITE8713"},            /* CIR found in EEEBox 1501U */
102         {"ITE8708"},            /* Bridged IT8512 */
103         {"ITE8709"},            /* SRAM-Bridged IT8512 */
104         /* nuvoton-cir */
105         {"WEC0530"},            /* CIR */
106         {"NTN0530"},            /* CIR for new chip's pnp id */
107         /* Winbond CIR */
108         {"WEC1022"},
109         /* wbsd */
110         {"WEC0517"},
111         {"WEC0518"},
112         /* Winbond CIR */
113         {"TCM5090"},            /* 3Com Etherlink III (TP) */
114         {"TCM5091"},            /* 3Com Etherlink III */
115         {"TCM5094"},            /* 3Com Etherlink III (combo) */
116         {"TCM5095"},            /* 3Com Etherlink III (TPO) */
117         {"TCM5098"},            /* 3Com Etherlink III (TPC) */
118         {"PNP80f7"},            /* 3Com Etherlink III compatible */
119         {"PNP80f8"},            /* 3Com Etherlink III compatible */
120         /* nsc-ircc */
121         {"NSC6001"},
122         {"HWPC224"},
123         {"IBM0071"},
124         /* smsc-ircc2 */
125         {"SMCf010"},
126         /* sb1000 */
127         {"GIC1000"},
128         /* parport_pc */
129         {"PNP0400"},            /* Standard LPT Printer Port */
130         {"PNP0401"},            /* ECP Printer Port */
131         /* apple-gmux */
132         {"APP000B"},
133         /* fujitsu-laptop.c */
134         {"FUJ02bf"},
135         {"FUJ02B1"},
136         {"FUJ02E3"},
137         /* system */
138         {"PNP0c02"},            /* General ID for reserving resources */
139         {"PNP0c01"},            /* memory controller */
140         /* rtc_cmos */
141         {"PNP0b00"},
142         {"PNP0b01"},
143         {"PNP0b02"},
144         /* c6xdigio */
145         {"PNP0400"},            /* Standard LPT Printer Port */
146         {"PNP0401"},            /* ECP Printer Port */
147         /* ni_atmio.c */
148         {"NIC1900"},
149         {"NIC2400"},
150         {"NIC2500"},
151         {"NIC2600"},
152         {"NIC2700"},
153         /* serial */
154         {"AAC000F"},            /* Archtek America Corp. Archtek SmartLink Modem 3334BT Plug & Play */
155         {"ADC0001"},            /* Anchor Datacomm BV. SXPro 144 External Data Fax Modem Plug & Play */
156         {"ADC0002"},            /* SXPro 288 External Data Fax Modem Plug & Play */
157         {"AEI0250"},            /* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
158         {"AEI1240"},            /* Actiontec ISA PNP 56K X2 Fax Modem */
159         {"AKY1021"},            /* Rockwell 56K ACF II Fax+Data+Voice Modem */
160         {"AZT4001"},            /* AZT3005 PnP SOUND DEVICE */
161         {"BDP3336"},            /* Best Data Products Inc. Smart One 336F PnP Modem */
162         {"BRI0A49"},            /* Boca Complete Ofc Communicator 14.4 Data-FAX */
163         {"BRI1400"},            /* Boca Research 33,600 ACF Modem */
164         {"BRI3400"},            /* Boca 33.6 Kbps Internal FD34FSVD */
165         {"BRI0A49"},            /* Boca 33.6 Kbps Internal FD34FSVD */
166         {"BDP3336"},            /* Best Data Products Inc. Smart One 336F PnP Modem */
167         {"CPI4050"},            /* Computer Peripherals Inc. EuroViVa CommCenter-33.6 SP PnP */
168         {"CTL3001"},            /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
169         {"CTL3011"},            /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
170         {"DAV0336"},            /* Davicom ISA 33.6K Modem */
171         {"DMB1032"},            /* Creative Modem Blaster Flash56 DI5601-1 */
172         {"DMB2001"},            /* Creative Modem Blaster V.90 DI5660 */
173         {"ETT0002"},            /* E-Tech CyberBULLET PC56RVP */
174         {"FUJ0202"},            /* Fujitsu 33600 PnP-I2 R Plug & Play */
175         {"FUJ0205"},            /* Fujitsu FMV-FX431 Plug & Play */
176         {"FUJ0206"},            /* Fujitsu 33600 PnP-I4 R Plug & Play */
177         {"FUJ0209"},            /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
178         {"GVC000F"},            /* Archtek SmartLink Modem 3334BT Plug & Play */
179         {"GVC0303"},            /* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
180         {"HAY0001"},            /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
181         {"HAY000C"},            /* Hayes Optima 336 V.34 + FAX + Voice PnP */
182         {"HAY000D"},            /* Hayes Optima 336B V.34 + FAX + Voice PnP */
183         {"HAY5670"},            /* Hayes Accura 56K Ext Fax Modem PnP */
184         {"HAY5674"},            /* Hayes Accura 56K Ext Fax Modem PnP */
185         {"HAY5675"},            /* Hayes Accura 56K Fax Modem PnP */
186         {"HAYF000"},            /* Hayes 288, V.34 + FAX */
187         {"HAYF001"},            /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
188         {"IBM0033"},            /* IBM Thinkpad 701 Internal Modem Voice */
189         {"PNP4972"},            /* Intermec CV60 touchscreen port */
190         {"IXDC801"},            /* Intertex 28k8 33k6 Voice EXT PnP */
191         {"IXDC901"},            /* Intertex 33k6 56k Voice EXT PnP */
192         {"IXDD801"},            /* Intertex 28k8 33k6 Voice SP EXT PnP */
193         {"IXDD901"},            /* Intertex 33k6 56k Voice SP EXT PnP */
194         {"IXDF401"},            /* Intertex 28k8 33k6 Voice SP INT PnP */
195         {"IXDF801"},            /* Intertex 28k8 33k6 Voice SP EXT PnP */
196         {"IXDF901"},            /* Intertex 33k6 56k Voice SP EXT PnP */
197         {"KOR4522"},            /* KORTEX 28800 Externe PnP */
198         {"KORF661"},            /* KXPro 33.6 Vocal ASVD PnP */
199         {"LAS4040"},            /* LASAT Internet 33600 PnP */
200         {"LAS4540"},            /* Lasat Safire 560 PnP */
201         {"LAS5440"},            /* Lasat Safire 336  PnP */
202         {"MNP0281"},            /* Microcom TravelPorte FAST V.34 Plug & Play */
203         {"MNP0336"},            /* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
204         {"MNP0339"},            /* Microcom DeskPorte FAST EP 28.8 Plug & Play */
205         {"MNP0342"},            /* Microcom DeskPorte 28.8P Plug & Play */
206         {"MNP0500"},            /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
207         {"MNP0501"},            /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
208         {"MNP0502"},            /* Microcom DeskPorte 28.8S Internal Plug & Play */
209         {"MOT1105"},            /* Motorola BitSURFR Plug & Play */
210         {"MOT1111"},            /* Motorola TA210 Plug & Play */
211         {"MOT1114"},            /* Motorola HMTA 200 (ISDN) Plug & Play */
212         {"MOT1115"},            /* Motorola BitSURFR Plug & Play */
213         {"MOT1190"},            /* Motorola Lifestyle 28.8 Internal */
214         {"MOT1501"},            /* Motorola V.3400 Plug & Play */
215         {"MOT1502"},            /* Motorola Lifestyle 28.8 V.34 Plug & Play */
216         {"MOT1505"},            /* Motorola Power 28.8 V.34 Plug & Play */
217         {"MOT1509"},            /* Motorola ModemSURFR External 28.8 Plug & Play */
218         {"MOT150A"},            /* Motorola Premier 33.6 Desktop Plug & Play */
219         {"MOT150F"},            /* Motorola VoiceSURFR 56K External PnP */
220         {"MOT1510"},            /* Motorola ModemSURFR 56K External PnP */
221         {"MOT1550"},            /* Motorola ModemSURFR 56K Internal PnP */
222         {"MOT1560"},            /* Motorola ModemSURFR Internal 28.8 Plug & Play */
223         {"MOT1580"},            /* Motorola Premier 33.6 Internal Plug & Play */
224         {"MOT15B0"},            /* Motorola OnlineSURFR 28.8 Internal Plug & Play */
225         {"MOT15F0"},            /* Motorola VoiceSURFR 56K Internal PnP */
226         {"MVX00A1"},            /*  Deskline K56 Phone System PnP */
227         {"MVX00F2"},            /* PC Rider K56 Phone System PnP */
228         {"nEC8241"},            /* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
229         {"PMC2430"},            /* Pace 56 Voice Internal Plug & Play Modem */
230         {"PNP0500"},            /* Generic standard PC COM port     */
231         {"PNP0501"},            /* Generic 16550A-compatible COM port */
232         {"PNPC000"},            /* Compaq 14400 Modem */
233         {"PNPC001"},            /* Compaq 2400/9600 Modem */
234         {"PNPC031"},            /* Dial-Up Networking Serial Cable between 2 PCs */
235         {"PNPC032"},            /* Dial-Up Networking Parallel Cable between 2 PCs */
236         {"PNPC100"},            /* Standard 9600 bps Modem */
237         {"PNPC101"},            /* Standard 14400 bps Modem */
238         {"PNPC102"},            /*  Standard 28800 bps Modem */
239         {"PNPC103"},            /*  Standard Modem */
240         {"PNPC104"},            /*  Standard 9600 bps Modem */
241         {"PNPC105"},            /*  Standard 14400 bps Modem */
242         {"PNPC106"},            /*  Standard 28800 bps Modem */
243         {"PNPC107"},            /*  Standard Modem */
244         {"PNPC108"},            /* Standard 9600 bps Modem */
245         {"PNPC109"},            /* Standard 14400 bps Modem */
246         {"PNPC10A"},            /* Standard 28800 bps Modem */
247         {"PNPC10B"},            /* Standard Modem */
248         {"PNPC10C"},            /* Standard 9600 bps Modem */
249         {"PNPC10D"},            /* Standard 14400 bps Modem */
250         {"PNPC10E"},            /* Standard 28800 bps Modem */
251         {"PNPC10F"},            /* Standard Modem */
252         {"PNP2000"},            /* Standard PCMCIA Card Modem */
253         {"ROK0030"},            /* Rockwell 33.6 DPF Internal PnP, Modular Technology 33.6 Internal PnP */
254         {"ROK0100"},            /* KORTEX 14400 Externe PnP */
255         {"ROK4120"},            /* Rockwell 28.8 */
256         {"ROK4920"},            /* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
257         {"RSS00A0"},            /* Rockwell 33.6 DPF External PnP, BT Prologue 33.6 External PnP, Modular Technology 33.6 External PnP */
258         {"RSS0262"},            /* Viking 56K FAX INT */
259         {"RSS0250"},            /* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
260         {"SUP1310"},            /* SupraExpress 28.8 Data/Fax PnP modem */
261         {"SUP1381"},            /* SupraExpress 336i PnP Voice Modem */
262         {"SUP1421"},            /* SupraExpress 33.6 Data/Fax PnP modem */
263         {"SUP1590"},            /* SupraExpress 33.6 Data/Fax PnP modem */
264         {"SUP1620"},            /* SupraExpress 336i Sp ASVD */
265         {"SUP1760"},            /* SupraExpress 33.6 Data/Fax PnP modem */
266         {"SUP2171"},            /* SupraExpress 56i Sp Intl */
267         {"TEX0011"},            /* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
268         {"UAC000F"},            /* Archtek SmartLink Modem 3334BT Plug & Play */
269         {"USR0000"},            /* 3Com Corp. Gateway Telepath IIvi 33.6 */
270         {"USR0002"},            /* U.S. Robotics Sporster 33.6K Fax INT PnP */
271         {"USR0004"},            /*  Sportster Vi 14.4 PnP FAX Voicemail */
272         {"USR0006"},            /* U.S. Robotics 33.6K Voice INT PnP */
273         {"USR0007"},            /* U.S. Robotics 33.6K Voice EXT PnP */
274         {"USR0009"},            /* U.S. Robotics Courier V.Everything INT PnP */
275         {"USR2002"},            /* U.S. Robotics 33.6K Voice INT PnP */
276         {"USR2070"},            /* U.S. Robotics 56K Voice INT PnP */
277         {"USR2080"},            /* U.S. Robotics 56K Voice EXT PnP */
278         {"USR3031"},            /* U.S. Robotics 56K FAX INT */
279         {"USR3050"},            /* U.S. Robotics 56K FAX INT */
280         {"USR3070"},            /* U.S. Robotics 56K Voice INT PnP */
281         {"USR3080"},            /* U.S. Robotics 56K Voice EXT PnP */
282         {"USR3090"},            /* U.S. Robotics 56K Voice INT PnP */
283         {"USR9100"},            /* U.S. Robotics 56K Message  */
284         {"USR9160"},            /* U.S. Robotics 56K FAX EXT PnP */
285         {"USR9170"},            /* U.S. Robotics 56K FAX INT PnP */
286         {"USR9180"},            /* U.S. Robotics 56K Voice EXT PnP */
287         {"USR9190"},            /* U.S. Robotics 56K Voice INT PnP */
288         {"WACFXXX"},            /* Wacom tablets */
289         {"FPI2002"},            /* Compaq touchscreen */
290         {"FUJ02B2"},            /* Fujitsu Stylistic touchscreens */
291         {"FUJ02B3"},
292         {"FUJ02B4"},            /* Fujitsu Stylistic LT touchscreens */
293         {"FUJ02B6"},            /* Passive Fujitsu Stylistic touchscreens */
294         {"FUJ02B7"},
295         {"FUJ02B8"},
296         {"FUJ02B9"},
297         {"FUJ02BC"},
298         {"FUJ02E5"},            /* Fujitsu Wacom Tablet PC device */
299         {"FUJ02E6"},            /* Fujitsu P-series tablet PC device */
300         {"FUJ02E7"},            /* Fujitsu Wacom 2FGT Tablet PC device */
301         {"FUJ02E9"},            /* Fujitsu Wacom 1FGT Tablet PC device */
302         {"LTS0001"},            /* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in disguise) */
303         {"WCI0003"},            /* Rockwell's (PORALiNK) 33600 INT PNP */
304         {"WEC1022"},            /* Winbond CIR port, should not be probed. We should keep track of it to prevent the legacy serial driver from probing it */
305         /* scl200wdt */
306         {"NSC0800"},            /* National Semiconductor PC87307/PC97307 watchdog component */
307         /* mpu401 */
308         {"PNPb006"},
309         /* cs423x-pnpbios */
310         {"CSC0100"},
311         {"CSC0000"},
312         {"GIM0100"},            /* Guillemot Turtlebeach something appears to be cs4232 compatible */
313         /* es18xx-pnpbios */
314         {"ESS1869"},
315         {"ESS1879"},
316         /* snd-opl3sa2-pnpbios */
317         {"YMH0021"},
318         {"NMX2210"},            /* Gateway Solo 2500 */
319         {""},
320 };
321
322 static bool matching_id(char *idstr, char *list_id)
323 {
324         int i;
325
326         if (memcmp(idstr, list_id, 3))
327                 return false;
328
329         for (i = 3; i < 7; i++) {
330                 char c = toupper(idstr[i]);
331
332                 if (!isxdigit(c)
333                     || (list_id[i] != 'X' && c != toupper(list_id[i])))
334                         return false;
335         }
336         return true;
337 }
338
339 static bool acpi_pnp_match(char *idstr, const struct acpi_device_id **matchid)
340 {
341         const struct acpi_device_id *devid;
342
343         for (devid = acpi_pnp_device_ids; devid->id[0]; devid++)
344                 if (matching_id(idstr, (char *)devid->id)) {
345                         if (matchid)
346                                 *matchid = devid;
347
348                         return true;
349                 }
350
351         return false;
352 }
353
354 static int acpi_pnp_attach(struct acpi_device *adev,
355                            const struct acpi_device_id *id)
356 {
357         return 1;
358 }
359
360 static struct acpi_scan_handler acpi_pnp_handler = {
361         .ids = acpi_pnp_device_ids,
362         .match = acpi_pnp_match,
363         .attach = acpi_pnp_attach,
364 };
365
366 /*
367  * For CMOS RTC devices, the PNP ACPI scan handler does not work, because
368  * there is a CMOS RTC ACPI scan handler installed already, so we need to
369  * check those devices and enumerate them to the PNP bus directly.
370  */
371 static int is_cmos_rtc_device(struct acpi_device *adev)
372 {
373         struct acpi_device_id ids[] = {
374                 { "PNP0B00" },
375                 { "PNP0B01" },
376                 { "PNP0B02" },
377                 {""},
378         };
379         return !acpi_match_device_ids(adev, ids);
380 }
381
382 bool acpi_is_pnp_device(struct acpi_device *adev)
383 {
384         return adev->handler == &acpi_pnp_handler || is_cmos_rtc_device(adev);
385 }
386 EXPORT_SYMBOL_GPL(acpi_is_pnp_device);
387
388 void __init acpi_pnp_init(void)
389 {
390         acpi_scan_add_handler(&acpi_pnp_handler);
391 }