drivers/acpi/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
  16 static 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         /* sb1000 */
 124         {"GIC1000"},
 125         /* parport_pc */
 126         {"PNP0400"},            /* Standard LPT Printer Port */
 127         {"PNP0401"},            /* ECP Printer Port */
 128         /* apple-gmux */
 129         {"APP000B"},
 130         /* system */
 131         {"PNP0c02"},            /* General ID for reserving resources */
 132         {"PNP0c01"},            /* memory controller */
 133         /* rtc_cmos */
 134         {"PNP0b00"},
 135         {"PNP0b01"},
 136         {"PNP0b02"},
 137         /* c6xdigio */
 138         {"PNP0400"},            /* Standard LPT Printer Port */
 139         {"PNP0401"},            /* ECP Printer Port */
 140         /* ni_atmio.c */
 141         {"NIC1900"},
 142         {"NIC2400"},
 143         {"NIC2500"},
 144         {"NIC2600"},
 145         {"NIC2700"},
 146         /* serial */
 147         {"AAC000F"},            /* Archtek America Corp. Archtek SmartLink Modem 3334BT Plug & Play */
 148         {"ADC0001"},            /* Anchor Datacomm BV. SXPro 144 External Data Fax Modem Plug & Play */
 149         {"ADC0002"},            /* SXPro 288 External Data Fax Modem Plug & Play */
 150         {"AEI0250"},            /* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
 151         {"AEI1240"},            /* Actiontec ISA PNP 56K X2 Fax Modem */
 152         {"AKY1021"},            /* Rockwell 56K ACF II Fax+Data+Voice Modem */
 153         {"ALI5123"},            /* ALi Fast Infrared Controller */
 154         {"AZT4001"},            /* AZT3005 PnP SOUND DEVICE */
 155         {"BDP3336"},            /* Best Data Products Inc. Smart One 336F PnP Modem */
 156         {"BRI0A49"},            /* Boca Complete Ofc Communicator 14.4 Data-FAX */
 157         {"BRI1400"},            /* Boca Research 33,600 ACF Modem */
 158         {"BRI3400"},            /* Boca 33.6 Kbps Internal FD34FSVD */
 159         {"BRI0A49"},            /* Boca 33.6 Kbps Internal FD34FSVD */
 160         {"BDP3336"},            /* Best Data Products Inc. Smart One 336F PnP Modem */
 161         {"CPI4050"},            /* Computer Peripherals Inc. EuroViVa CommCenter-33.6 SP PnP */
 162         {"CTL3001"},            /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
 163         {"CTL3011"},            /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
 164         {"DAV0336"},            /* Davicom ISA 33.6K Modem */
 165         {"DMB1032"},            /* Creative Modem Blaster Flash56 DI5601-1 */
 166         {"DMB2001"},            /* Creative Modem Blaster V.90 DI5660 */
 167         {"ETT0002"},            /* E-Tech CyberBULLET PC56RVP */
 168         {"FUJ0202"},            /* Fujitsu 33600 PnP-I2 R Plug & Play */
 169         {"FUJ0205"},            /* Fujitsu FMV-FX431 Plug & Play */
 170         {"FUJ0206"},            /* Fujitsu 33600 PnP-I4 R Plug & Play */
 171         {"FUJ0209"},            /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
 172         {"GVC000F"},            /* Archtek SmartLink Modem 3334BT Plug & Play */
 173         {"GVC0303"},            /* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
 174         {"HAY0001"},            /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
 175         {"HAY000C"},            /* Hayes Optima 336 V.34 + FAX + Voice PnP */
 176         {"HAY000D"},            /* Hayes Optima 336B V.34 + FAX + Voice PnP */
 177         {"HAY5670"},            /* Hayes Accura 56K Ext Fax Modem PnP */
 178         {"HAY5674"},            /* Hayes Accura 56K Ext Fax Modem PnP */
 179         {"HAY5675"},            /* Hayes Accura 56K Fax Modem PnP */
 180         {"HAYF000"},            /* Hayes 288, V.34 + FAX */
 181         {"HAYF001"},            /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
 182         {"IBM0033"},            /* IBM Thinkpad 701 Internal Modem Voice */
 183         {"PNP4972"},            /* Intermec CV60 touchscreen port */
 184         {"IXDC801"},            /* Intertex 28k8 33k6 Voice EXT PnP */
 185         {"IXDC901"},            /* Intertex 33k6 56k Voice EXT PnP */
 186         {"IXDD801"},            /* Intertex 28k8 33k6 Voice SP EXT PnP */
 187         {"IXDD901"},            /* Intertex 33k6 56k Voice SP EXT PnP */
 188         {"IXDF401"},            /* Intertex 28k8 33k6 Voice SP INT PnP */
 189         {"IXDF801"},            /* Intertex 28k8 33k6 Voice SP EXT PnP */
 190         {"IXDF901"},            /* Intertex 33k6 56k Voice SP EXT PnP */
 191         {"KOR4522"},            /* KORTEX 28800 Externe PnP */
 192         {"KORF661"},            /* KXPro 33.6 Vocal ASVD PnP */
 193         {"LAS4040"},            /* LASAT Internet 33600 PnP */
 194         {"LAS4540"},            /* Lasat Safire 560 PnP */
 195         {"LAS5440"},            /* Lasat Safire 336  PnP */
 196         {"MNP0281"},            /* Microcom TravelPorte FAST V.34 Plug & Play */
 197         {"MNP0336"},            /* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
 198         {"MNP0339"},            /* Microcom DeskPorte FAST EP 28.8 Plug & Play */
 199         {"MNP0342"},            /* Microcom DeskPorte 28.8P Plug & Play */
 200         {"MNP0500"},            /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
 201         {"MNP0501"},            /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
 202         {"MNP0502"},            /* Microcom DeskPorte 28.8S Internal Plug & Play */
 203         {"MOT1105"},            /* Motorola BitSURFR Plug & Play */
 204         {"MOT1111"},            /* Motorola TA210 Plug & Play */
 205         {"MOT1114"},            /* Motorola HMTA 200 (ISDN) Plug & Play */
 206         {"MOT1115"},            /* Motorola BitSURFR Plug & Play */
 207         {"MOT1190"},            /* Motorola Lifestyle 28.8 Internal */
 208         {"MOT1501"},            /* Motorola V.3400 Plug & Play */
 209         {"MOT1502"},            /* Motorola Lifestyle 28.8 V.34 Plug & Play */
 210         {"MOT1505"},            /* Motorola Power 28.8 V.34 Plug & Play */
 211         {"MOT1509"},            /* Motorola ModemSURFR External 28.8 Plug & Play */
 212         {"MOT150A"},            /* Motorola Premier 33.6 Desktop Plug & Play */
 213         {"MOT150F"},            /* Motorola VoiceSURFR 56K External PnP */
 214         {"MOT1510"},            /* Motorola ModemSURFR 56K External PnP */
 215         {"MOT1550"},            /* Motorola ModemSURFR 56K Internal PnP */
 216         {"MOT1560"},            /* Motorola ModemSURFR Internal 28.8 Plug & Play */
 217         {"MOT1580"},            /* Motorola Premier 33.6 Internal Plug & Play */
 218         {"MOT15B0"},            /* Motorola OnlineSURFR 28.8 Internal Plug & Play */
 219         {"MOT15F0"},            /* Motorola VoiceSURFR 56K Internal PnP */
 220         {"MVX00A1"},            /*  Deskline K56 Phone System PnP */
 221         {"MVX00F2"},            /* PC Rider K56 Phone System PnP */
 222         {"nEC8241"},            /* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
 223         {"PMC2430"},            /* Pace 56 Voice Internal Plug & Play Modem */
 224         {"PNP0500"},            /* Generic standard PC COM port     */
 225         {"PNP0501"},            /* Generic 16550A-compatible COM port */
 226         {"PNPC000"},            /* Compaq 14400 Modem */
 227         {"PNPC001"},            /* Compaq 2400/9600 Modem */
 228         {"PNPC031"},            /* Dial-Up Networking Serial Cable between 2 PCs */
 229         {"PNPC032"},            /* Dial-Up Networking Parallel Cable between 2 PCs */
 230         {"PNPC100"},            /* Standard 9600 bps Modem */
 231         {"PNPC101"},            /* Standard 14400 bps Modem */
 232         {"PNPC102"},            /*  Standard 28800 bps Modem */
 233         {"PNPC103"},            /*  Standard Modem */
 234         {"PNPC104"},            /*  Standard 9600 bps Modem */
 235         {"PNPC105"},            /*  Standard 14400 bps Modem */
 236         {"PNPC106"},            /*  Standard 28800 bps Modem */
 237         {"PNPC107"},            /*  Standard Modem */
 238         {"PNPC108"},            /* Standard 9600 bps Modem */
 239         {"PNPC109"},            /* Standard 14400 bps Modem */
 240         {"PNPC10A"},            /* Standard 28800 bps Modem */
 241         {"PNPC10B"},            /* Standard Modem */
 242         {"PNPC10C"},            /* Standard 9600 bps Modem */
 243         {"PNPC10D"},            /* Standard 14400 bps Modem */
 244         {"PNPC10E"},            /* Standard 28800 bps Modem */
 245         {"PNPC10F"},            /* Standard Modem */
 246         {"PNP2000"},            /* Standard PCMCIA Card Modem */
 247         {"ROK0030"},            /* Rockwell 33.6 DPF Internal PnP, Modular Technology 33.6 Internal PnP */
 248         {"ROK0100"},            /* KORTEX 14400 Externe PnP */
 249         {"ROK4120"},            /* Rockwell 28.8 */
 250         {"ROK4920"},            /* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
 251         {"RSS00A0"},            /* Rockwell 33.6 DPF External PnP, BT Prologue 33.6 External PnP, Modular Technology 33.6 External PnP */
 252         {"RSS0262"},            /* Viking 56K FAX INT */
 253         {"RSS0250"},            /* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
 254         {"SUP1310"},            /* SupraExpress 28.8 Data/Fax PnP modem */
 255         {"SUP1381"},            /* SupraExpress 336i PnP Voice Modem */
 256         {"SUP1421"},            /* SupraExpress 33.6 Data/Fax PnP modem */
 257         {"SUP1590"},            /* SupraExpress 33.6 Data/Fax PnP modem */
 258         {"SUP1620"},            /* SupraExpress 336i Sp ASVD */
 259         {"SUP1760"},            /* SupraExpress 33.6 Data/Fax PnP modem */
 260         {"SUP2171"},            /* SupraExpress 56i Sp Intl */
 261         {"TEX0011"},            /* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
 262         {"UAC000F"},            /* Archtek SmartLink Modem 3334BT Plug & Play */
 263         {"USR0000"},            /* 3Com Corp. Gateway Telepath IIvi 33.6 */
 264         {"USR0002"},            /* U.S. Robotics Sporster 33.6K Fax INT PnP */
 265         {"USR0004"},            /*  Sportster Vi 14.4 PnP FAX Voicemail */
 266         {"USR0006"},            /* U.S. Robotics 33.6K Voice INT PnP */
 267         {"USR0007"},            /* U.S. Robotics 33.6K Voice EXT PnP */
 268         {"USR0009"},            /* U.S. Robotics Courier V.Everything INT PnP */
 269         {"USR2002"},            /* U.S. Robotics 33.6K Voice INT PnP */
 270         {"USR2070"},            /* U.S. Robotics 56K Voice INT PnP */
 271         {"USR2080"},            /* U.S. Robotics 56K Voice EXT PnP */
 272         {"USR3031"},            /* U.S. Robotics 56K FAX INT */
 273         {"USR3050"},            /* U.S. Robotics 56K FAX INT */
 274         {"USR3070"},            /* U.S. Robotics 56K Voice INT PnP */
 275         {"USR3080"},            /* U.S. Robotics 56K Voice EXT PnP */
 276         {"USR3090"},            /* U.S. Robotics 56K Voice INT PnP */
 277         {"USR9100"},            /* U.S. Robotics 56K Message  */
 278         {"USR9160"},            /* U.S. Robotics 56K FAX EXT PnP */
 279         {"USR9170"},            /* U.S. Robotics 56K FAX INT PnP */
 280         {"USR9180"},            /* U.S. Robotics 56K Voice EXT PnP */
 281         {"USR9190"},            /* U.S. Robotics 56K Voice INT PnP */
 282         {"WACFXXX"},            /* Wacom tablets */
 283         {"FPI2002"},            /* Compaq touchscreen */
 284         {"FUJ02B2"},            /* Fujitsu Stylistic touchscreens */
 285         {"FUJ02B3"},
 286         {"FUJ02B4"},            /* Fujitsu Stylistic LT touchscreens */
 287         {"FUJ02B6"},            /* Passive Fujitsu Stylistic touchscreens */
 288         {"FUJ02B7"},
 289         {"FUJ02B8"},
 290         {"FUJ02B9"},
 291         {"FUJ02BC"},
 292         {"FUJ02E5"},            /* Fujitsu Wacom Tablet PC device */
 293         {"FUJ02E6"},            /* Fujitsu P-series tablet PC device */
 294         {"FUJ02E7"},            /* Fujitsu Wacom 2FGT Tablet PC device */
 295         {"FUJ02E9"},            /* Fujitsu Wacom 1FGT Tablet PC device */
 296         {"LTS0001"},            /* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in disguise) */
 297         {"WCI0003"},            /* Rockwell's (PORALiNK) 33600 INT PNP */
 298         {"WEC1022"},            /* Winbond CIR port, should not be probed. We should keep track of it to prevent the legacy serial driver from probing it */
 299         /* scl200wdt */
 300         {"NSC0800"},            /* National Semiconductor PC87307/PC97307 watchdog component */
 301         /* mpu401 */
 302         {"PNPb006"},
 303         /* cs423x-pnpbios */
 304         {"CSC0100"},
 305         {"CSC0103"},
 306         {"CSC0110"},
 307         {"CSC0000"},
 308         {"GIM0100"},            /* Guillemot Turtlebeach something appears to be cs4232 compatible */
 309         /* es18xx-pnpbios */
 310         {"ESS1869"},
 311         {"ESS1879"},
 312         /* snd-opl3sa2-pnpbios */
 313         {"YMH0021"},
 314         {"NMX2210"},            /* Gateway Solo 2500 */
 315         {""},
 316 };
 317
 318 static bool matching_id(const char *idstr, const char *list_id)
 319 {
 320         int i;
 321
 322         if (strlen(idstr) != strlen(list_id))
 323                 return false;
 324
 325         if (memcmp(idstr, list_id, 3))
 326                 return false;
 327
 328         for (i = 3; i < 7; i++) {
 329                 char c = toupper(idstr[i]);
 330
 331                 if (!isxdigit(c)
 332                     || (list_id[i] != 'X' && c != toupper(list_id[i])))
 333                         return false;
 334         }
 335         return true;
 336 }
 337
 338 static bool acpi_pnp_match(const char *idstr, const struct acpi_device_id **matchid)
 339 {
 340         const struct acpi_device_id *devid;
 341
 342         for (devid = acpi_pnp_device_ids; devid->id[0]; devid++)
 343                 if (matching_id(idstr, (char *)devid->id)) {
 344                         if (matchid)
 345                                 *matchid = devid;
 346
 347                         return true;
 348                 }
 349
 350         return false;
 351 }
 352
 353 static int acpi_pnp_attach(struct acpi_device *adev,
 354                            const struct acpi_device_id *id)
 355 {
 356         return 1;
 357 }
 358
 359 static struct acpi_scan_handler acpi_pnp_handler = {
 360         .ids = acpi_pnp_device_ids,
 361         .match = acpi_pnp_match,
 362         .attach = acpi_pnp_attach,
 363 };
 364
 365 /*
 366  * For CMOS RTC devices, the PNP ACPI scan handler does not work, because
 367  * there is a CMOS RTC ACPI scan handler installed already, so we need to
 368  * check those devices and enumerate them to the PNP bus directly.
 369  */
 370 static int is_cmos_rtc_device(struct acpi_device *adev)
 371 {
 372         static const struct acpi_device_id ids[] = {
 373                 { "PNP0B00" },
 374                 { "PNP0B01" },
 375                 { "PNP0B02" },
 376                 {""},
 377         };
 378         return !acpi_match_device_ids(adev, ids);
 379 }
 380
 381 bool acpi_is_pnp_device(struct acpi_device *adev)
 382 {
 383         return adev->handler == &acpi_pnp_handler || is_cmos_rtc_device(adev);
 384 }
 385 EXPORT_SYMBOL_GPL(acpi_is_pnp_device);
 386
 387 void __init acpi_pnp_init(void)
 388 {
 389         acpi_scan_add_handler(&acpi_pnp_handler);
 390 }