linux/drivers/acpi/acpi_pnp.c
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   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
  17static 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        /* tpm_inf_pnp */
  23        {"IFX0101"},            /* Infineon TPMs */
  24        {"IFX0102"},            /* Infineon TPMs */
  25        /*tpm_tis */
  26        {"PNP0C31"},            /* TPM */
  27        {"ATM1200"},            /* Atmel */
  28        {"IFX0102"},            /* Infineon */
  29        {"BCM0101"},            /* Broadcom */
  30        {"BCM0102"},            /* Broadcom */
  31        {"NSC1200"},            /* National */
  32        {"ICO0102"},            /* Intel */
  33        /* ide   */
  34        {"PNP0600"},            /* Generic ESDI/IDE/ATA compatible hard disk controller */
  35        /* ns558 */
  36        {"ASB16fd"},            /* AdLib NSC16 */
  37        {"AZT3001"},            /* AZT1008 */
  38        {"CDC0001"},            /* Opl3-SAx */
  39        {"CSC0001"},            /* CS4232 */
  40        {"CSC000f"},            /* CS4236 */
  41        {"CSC0101"},            /* CS4327 */
  42        {"CTL7001"},            /* SB16 */
  43        {"CTL7002"},            /* AWE64 */
  44        {"CTL7005"},            /* Vibra16 */
  45        {"ENS2020"},            /* SoundscapeVIVO */
  46        {"ESS0001"},            /* ES1869 */
  47        {"ESS0005"},            /* ES1878 */
  48        {"ESS6880"},            /* ES688 */
  49        {"IBM0012"},            /* CS4232 */
  50        {"OPT0001"},            /* OPTi Audio16 */
  51        {"YMH0006"},            /* Opl3-SA */
  52        {"YMH0022"},            /* Opl3-SAx */
  53        {"PNPb02f"},            /* Generic */
  54        /* i8042 kbd */
  55        {"PNP0300"},
  56        {"PNP0301"},
  57        {"PNP0302"},
  58        {"PNP0303"},
  59        {"PNP0304"},
  60        {"PNP0305"},
  61        {"PNP0306"},
  62        {"PNP0309"},
  63        {"PNP030a"},
  64        {"PNP030b"},
  65        {"PNP0320"},
  66        {"PNP0343"},
  67        {"PNP0344"},
  68        {"PNP0345"},
  69        {"CPQA0D7"},
  70        /* i8042 aux */
  71        {"AUI0200"},
  72        {"FJC6000"},
  73        {"FJC6001"},
  74        {"PNP0f03"},
  75        {"PNP0f0b"},
  76        {"PNP0f0e"},
  77        {"PNP0f12"},
  78        {"PNP0f13"},
  79        {"PNP0f19"},
  80        {"PNP0f1c"},
  81        {"SYN0801"},
  82        /* fcpnp */
  83        {"AVM0900"},
  84        /* radio-cadet */
  85        {"MSM0c24"},            /* ADS Cadet AM/FM Radio Card */
  86        /* radio-gemtek */
  87        {"ADS7183"},            /* AOpen FX-3D/Pro Radio */
  88        /* radio-sf16fmr2 */
  89        {"MFRad13"},            /* tuner subdevice of SF16-FMD2 */
  90        /* ene_ir */
  91        {"ENE0100"},
  92        {"ENE0200"},
  93        {"ENE0201"},
  94        {"ENE0202"},
  95        /* fintek-cir */
  96        {"FIT0002"},            /* CIR */
  97        /* ite-cir */
  98        {"ITE8704"},            /* Default model */
  99        {"ITE8713"},            /* CIR found in EEEBox 1501U */
 100        {"ITE8708"},            /* Bridged IT8512 */
 101        {"ITE8709"},            /* SRAM-Bridged IT8512 */
 102        /* nuvoton-cir */
 103        {"WEC0530"},            /* CIR */
 104        {"NTN0530"},            /* CIR for new chip's pnp id */
 105        /* Winbond CIR */
 106        {"WEC1022"},
 107        /* wbsd */
 108        {"WEC0517"},
 109        {"WEC0518"},
 110        /* Winbond CIR */
 111        {"TCM5090"},            /* 3Com Etherlink III (TP) */
 112        {"TCM5091"},            /* 3Com Etherlink III */
 113        {"TCM5094"},            /* 3Com Etherlink III (combo) */
 114        {"TCM5095"},            /* 3Com Etherlink III (TPO) */
 115        {"TCM5098"},            /* 3Com Etherlink III (TPC) */
 116        {"PNP80f7"},            /* 3Com Etherlink III compatible */
 117        {"PNP80f8"},            /* 3Com Etherlink III compatible */
 118        /* nsc-ircc */
 119        {"NSC6001"},
 120        {"HWPC224"},
 121        {"IBM0071"},
 122        /* smsc-ircc2 */
 123        {"SMCf010"},
 124        /* sb1000 */
 125        {"GIC1000"},
 126        /* parport_pc */
 127        {"PNP0400"},            /* Standard LPT Printer Port */
 128        {"PNP0401"},            /* ECP Printer Port */
 129        /* apple-gmux */
 130        {"APP000B"},
 131        /* system */
 132        {"PNP0c02"},            /* General ID for reserving resources */
 133        {"PNP0c01"},            /* memory controller */
 134        /* rtc_cmos */
 135        {"PNP0b00"},
 136        {"PNP0b01"},
 137        {"PNP0b02"},
 138        /* c6xdigio */
 139        {"PNP0400"},            /* Standard LPT Printer Port */
 140        {"PNP0401"},            /* ECP Printer Port */
 141        /* ni_atmio.c */
 142        {"NIC1900"},
 143        {"NIC2400"},
 144        {"NIC2500"},
 145        {"NIC2600"},
 146        {"NIC2700"},
 147        /* serial */
 148        {"AAC000F"},            /* Archtek America Corp. Archtek SmartLink Modem 3334BT Plug & Play */
 149        {"ADC0001"},            /* Anchor Datacomm BV. SXPro 144 External Data Fax Modem Plug & Play */
 150        {"ADC0002"},            /* SXPro 288 External Data Fax Modem Plug & Play */
 151        {"AEI0250"},            /* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
 152        {"AEI1240"},            /* Actiontec ISA PNP 56K X2 Fax Modem */
 153        {"AKY1021"},            /* Rockwell 56K ACF II Fax+Data+Voice Modem */
 154        {"ALI5123"},            /* ALi Fast Infrared Controller */
 155        {"AZT4001"},            /* AZT3005 PnP SOUND DEVICE */
 156        {"BDP3336"},            /* Best Data Products Inc. Smart One 336F PnP Modem */
 157        {"BRI0A49"},            /* Boca Complete Ofc Communicator 14.4 Data-FAX */
 158        {"BRI1400"},            /* Boca Research 33,600 ACF Modem */
 159        {"BRI3400"},            /* Boca 33.6 Kbps Internal FD34FSVD */
 160        {"BRI0A49"},            /* Boca 33.6 Kbps Internal FD34FSVD */
 161        {"BDP3336"},            /* Best Data Products Inc. Smart One 336F PnP Modem */
 162        {"CPI4050"},            /* Computer Peripherals Inc. EuroViVa CommCenter-33.6 SP PnP */
 163        {"CTL3001"},            /* Creative Labs Phone Blaster 28.8 DSVD PnP Voice */
 164        {"CTL3011"},            /* Creative Labs Modem Blaster 28.8 DSVD PnP Voice */
 165        {"DAV0336"},            /* Davicom ISA 33.6K Modem */
 166        {"DMB1032"},            /* Creative Modem Blaster Flash56 DI5601-1 */
 167        {"DMB2001"},            /* Creative Modem Blaster V.90 DI5660 */
 168        {"ETT0002"},            /* E-Tech CyberBULLET PC56RVP */
 169        {"FUJ0202"},            /* Fujitsu 33600 PnP-I2 R Plug & Play */
 170        {"FUJ0205"},            /* Fujitsu FMV-FX431 Plug & Play */
 171        {"FUJ0206"},            /* Fujitsu 33600 PnP-I4 R Plug & Play */
 172        {"FUJ0209"},            /* Fujitsu Fax Voice 33600 PNP-I5 R Plug & Play */
 173        {"GVC000F"},            /* Archtek SmartLink Modem 3334BT Plug & Play */
 174        {"GVC0303"},            /* Archtek SmartLink Modem 3334BRV 33.6K Data Fax Voice */
 175        {"HAY0001"},            /* Hayes Optima 288 V.34-V.FC + FAX + Voice Plug & Play */
 176        {"HAY000C"},            /* Hayes Optima 336 V.34 + FAX + Voice PnP */
 177        {"HAY000D"},            /* Hayes Optima 336B V.34 + FAX + Voice PnP */
 178        {"HAY5670"},            /* Hayes Accura 56K Ext Fax Modem PnP */
 179        {"HAY5674"},            /* Hayes Accura 56K Ext Fax Modem PnP */
 180        {"HAY5675"},            /* Hayes Accura 56K Fax Modem PnP */
 181        {"HAYF000"},            /* Hayes 288, V.34 + FAX */
 182        {"HAYF001"},            /* Hayes Optima 288 V.34 + FAX + Voice, Plug & Play */
 183        {"IBM0033"},            /* IBM Thinkpad 701 Internal Modem Voice */
 184        {"PNP4972"},            /* Intermec CV60 touchscreen port */
 185        {"IXDC801"},            /* Intertex 28k8 33k6 Voice EXT PnP */
 186        {"IXDC901"},            /* Intertex 33k6 56k Voice EXT PnP */
 187        {"IXDD801"},            /* Intertex 28k8 33k6 Voice SP EXT PnP */
 188        {"IXDD901"},            /* Intertex 33k6 56k Voice SP EXT PnP */
 189        {"IXDF401"},            /* Intertex 28k8 33k6 Voice SP INT PnP */
 190        {"IXDF801"},            /* Intertex 28k8 33k6 Voice SP EXT PnP */
 191        {"IXDF901"},            /* Intertex 33k6 56k Voice SP EXT PnP */
 192        {"KOR4522"},            /* KORTEX 28800 Externe PnP */
 193        {"KORF661"},            /* KXPro 33.6 Vocal ASVD PnP */
 194        {"LAS4040"},            /* LASAT Internet 33600 PnP */
 195        {"LAS4540"},            /* Lasat Safire 560 PnP */
 196        {"LAS5440"},            /* Lasat Safire 336  PnP */
 197        {"MNP0281"},            /* Microcom TravelPorte FAST V.34 Plug & Play */
 198        {"MNP0336"},            /* Microcom DeskPorte V.34 FAST or FAST+ Plug & Play */
 199        {"MNP0339"},            /* Microcom DeskPorte FAST EP 28.8 Plug & Play */
 200        {"MNP0342"},            /* Microcom DeskPorte 28.8P Plug & Play */
 201        {"MNP0500"},            /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
 202        {"MNP0501"},            /* Microcom DeskPorte FAST ES 28.8 Plug & Play */
 203        {"MNP0502"},            /* Microcom DeskPorte 28.8S Internal Plug & Play */
 204        {"MOT1105"},            /* Motorola BitSURFR Plug & Play */
 205        {"MOT1111"},            /* Motorola TA210 Plug & Play */
 206        {"MOT1114"},            /* Motorola HMTA 200 (ISDN) Plug & Play */
 207        {"MOT1115"},            /* Motorola BitSURFR Plug & Play */
 208        {"MOT1190"},            /* Motorola Lifestyle 28.8 Internal */
 209        {"MOT1501"},            /* Motorola V.3400 Plug & Play */
 210        {"MOT1502"},            /* Motorola Lifestyle 28.8 V.34 Plug & Play */
 211        {"MOT1505"},            /* Motorola Power 28.8 V.34 Plug & Play */
 212        {"MOT1509"},            /* Motorola ModemSURFR External 28.8 Plug & Play */
 213        {"MOT150A"},            /* Motorola Premier 33.6 Desktop Plug & Play */
 214        {"MOT150F"},            /* Motorola VoiceSURFR 56K External PnP */
 215        {"MOT1510"},            /* Motorola ModemSURFR 56K External PnP */
 216        {"MOT1550"},            /* Motorola ModemSURFR 56K Internal PnP */
 217        {"MOT1560"},            /* Motorola ModemSURFR Internal 28.8 Plug & Play */
 218        {"MOT1580"},            /* Motorola Premier 33.6 Internal Plug & Play */
 219        {"MOT15B0"},            /* Motorola OnlineSURFR 28.8 Internal Plug & Play */
 220        {"MOT15F0"},            /* Motorola VoiceSURFR 56K Internal PnP */
 221        {"MVX00A1"},            /*  Deskline K56 Phone System PnP */
 222        {"MVX00F2"},            /* PC Rider K56 Phone System PnP */
 223        {"nEC8241"},            /* NEC 98NOTE SPEAKER PHONE FAX MODEM(33600bps) */
 224        {"PMC2430"},            /* Pace 56 Voice Internal Plug & Play Modem */
 225        {"PNP0500"},            /* Generic standard PC COM port     */
 226        {"PNP0501"},            /* Generic 16550A-compatible COM port */
 227        {"PNPC000"},            /* Compaq 14400 Modem */
 228        {"PNPC001"},            /* Compaq 2400/9600 Modem */
 229        {"PNPC031"},            /* Dial-Up Networking Serial Cable between 2 PCs */
 230        {"PNPC032"},            /* Dial-Up Networking Parallel Cable between 2 PCs */
 231        {"PNPC100"},            /* Standard 9600 bps Modem */
 232        {"PNPC101"},            /* Standard 14400 bps Modem */
 233        {"PNPC102"},            /*  Standard 28800 bps Modem */
 234        {"PNPC103"},            /*  Standard Modem */
 235        {"PNPC104"},            /*  Standard 9600 bps Modem */
 236        {"PNPC105"},            /*  Standard 14400 bps Modem */
 237        {"PNPC106"},            /*  Standard 28800 bps Modem */
 238        {"PNPC107"},            /*  Standard Modem */
 239        {"PNPC108"},            /* Standard 9600 bps Modem */
 240        {"PNPC109"},            /* Standard 14400 bps Modem */
 241        {"PNPC10A"},            /* Standard 28800 bps Modem */
 242        {"PNPC10B"},            /* Standard Modem */
 243        {"PNPC10C"},            /* Standard 9600 bps Modem */
 244        {"PNPC10D"},            /* Standard 14400 bps Modem */
 245        {"PNPC10E"},            /* Standard 28800 bps Modem */
 246        {"PNPC10F"},            /* Standard Modem */
 247        {"PNP2000"},            /* Standard PCMCIA Card Modem */
 248        {"ROK0030"},            /* Rockwell 33.6 DPF Internal PnP, Modular Technology 33.6 Internal PnP */
 249        {"ROK0100"},            /* KORTEX 14400 Externe PnP */
 250        {"ROK4120"},            /* Rockwell 28.8 */
 251        {"ROK4920"},            /* Viking 28.8 INTERNAL Fax+Data+Voice PnP */
 252        {"RSS00A0"},            /* Rockwell 33.6 DPF External PnP, BT Prologue 33.6 External PnP, Modular Technology 33.6 External PnP */
 253        {"RSS0262"},            /* Viking 56K FAX INT */
 254        {"RSS0250"},            /* K56 par,VV,Voice,Speakphone,AudioSpan,PnP */
 255        {"SUP1310"},            /* SupraExpress 28.8 Data/Fax PnP modem */
 256        {"SUP1381"},            /* SupraExpress 336i PnP Voice Modem */
 257        {"SUP1421"},            /* SupraExpress 33.6 Data/Fax PnP modem */
 258        {"SUP1590"},            /* SupraExpress 33.6 Data/Fax PnP modem */
 259        {"SUP1620"},            /* SupraExpress 336i Sp ASVD */
 260        {"SUP1760"},            /* SupraExpress 33.6 Data/Fax PnP modem */
 261        {"SUP2171"},            /* SupraExpress 56i Sp Intl */
 262        {"TEX0011"},            /* Phoebe Micro 33.6 Data Fax 1433VQH Plug & Play */
 263        {"UAC000F"},            /* Archtek SmartLink Modem 3334BT Plug & Play */
 264        {"USR0000"},            /* 3Com Corp. Gateway Telepath IIvi 33.6 */
 265        {"USR0002"},            /* U.S. Robotics Sporster 33.6K Fax INT PnP */
 266        {"USR0004"},            /*  Sportster Vi 14.4 PnP FAX Voicemail */
 267        {"USR0006"},            /* U.S. Robotics 33.6K Voice INT PnP */
 268        {"USR0007"},            /* U.S. Robotics 33.6K Voice EXT PnP */
 269        {"USR0009"},            /* U.S. Robotics Courier V.Everything INT PnP */
 270        {"USR2002"},            /* U.S. Robotics 33.6K Voice INT PnP */
 271        {"USR2070"},            /* U.S. Robotics 56K Voice INT PnP */
 272        {"USR2080"},            /* U.S. Robotics 56K Voice EXT PnP */
 273        {"USR3031"},            /* U.S. Robotics 56K FAX INT */
 274        {"USR3050"},            /* U.S. Robotics 56K FAX INT */
 275        {"USR3070"},            /* U.S. Robotics 56K Voice INT PnP */
 276        {"USR3080"},            /* U.S. Robotics 56K Voice EXT PnP */
 277        {"USR3090"},            /* U.S. Robotics 56K Voice INT PnP */
 278        {"USR9100"},            /* U.S. Robotics 56K Message  */
 279        {"USR9160"},            /* U.S. Robotics 56K FAX EXT PnP */
 280        {"USR9170"},            /* U.S. Robotics 56K FAX INT PnP */
 281        {"USR9180"},            /* U.S. Robotics 56K Voice EXT PnP */
 282        {"USR9190"},            /* U.S. Robotics 56K Voice INT PnP */
 283        {"WACFXXX"},            /* Wacom tablets */
 284        {"FPI2002"},            /* Compaq touchscreen */
 285        {"FUJ02B2"},            /* Fujitsu Stylistic touchscreens */
 286        {"FUJ02B3"},
 287        {"FUJ02B4"},            /* Fujitsu Stylistic LT touchscreens */
 288        {"FUJ02B6"},            /* Passive Fujitsu Stylistic touchscreens */
 289        {"FUJ02B7"},
 290        {"FUJ02B8"},
 291        {"FUJ02B9"},
 292        {"FUJ02BC"},
 293        {"FUJ02E5"},            /* Fujitsu Wacom Tablet PC device */
 294        {"FUJ02E6"},            /* Fujitsu P-series tablet PC device */
 295        {"FUJ02E7"},            /* Fujitsu Wacom 2FGT Tablet PC device */
 296        {"FUJ02E9"},            /* Fujitsu Wacom 1FGT Tablet PC device */
 297        {"LTS0001"},            /* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in disguise) */
 298        {"WCI0003"},            /* Rockwell's (PORALiNK) 33600 INT PNP */
 299        {"WEC1022"},            /* Winbond CIR port, should not be probed. We should keep track of it to prevent the legacy serial driver from probing it */
 300        /* scl200wdt */
 301        {"NSC0800"},            /* National Semiconductor PC87307/PC97307 watchdog component */
 302        /* mpu401 */
 303        {"PNPb006"},
 304        /* cs423x-pnpbios */
 305        {"CSC0100"},
 306        {"CSC0103"},
 307        {"CSC0110"},
 308        {"CSC0000"},
 309        {"GIM0100"},            /* Guillemot Turtlebeach something appears to be cs4232 compatible */
 310        /* es18xx-pnpbios */
 311        {"ESS1869"},
 312        {"ESS1879"},
 313        /* snd-opl3sa2-pnpbios */
 314        {"YMH0021"},
 315        {"NMX2210"},            /* Gateway Solo 2500 */
 316        {""},
 317};
 318
 319static bool matching_id(const char *idstr, const char *list_id)
 320{
 321        int i;
 322
 323        if (memcmp(idstr, list_id, 3))
 324                return false;
 325
 326        for (i = 3; i < 7; i++) {
 327                char c = toupper(idstr[i]);
 328
 329                if (!isxdigit(c)
 330                    || (list_id[i] != 'X' && c != toupper(list_id[i])))
 331                        return false;
 332        }
 333        return true;
 334}
 335
 336static bool acpi_pnp_match(const char *idstr, const struct acpi_device_id **matchid)
 337{
 338        const struct acpi_device_id *devid;
 339
 340        for (devid = acpi_pnp_device_ids; devid->id[0]; devid++)
 341                if (matching_id(idstr, (char *)devid->id)) {
 342                        if (matchid)
 343                                *matchid = devid;
 344
 345                        return true;
 346                }
 347
 348        return false;
 349}
 350
 351static int acpi_pnp_attach(struct acpi_device *adev,
 352                           const struct acpi_device_id *id)
 353{
 354        return 1;
 355}
 356
 357static struct acpi_scan_handler acpi_pnp_handler = {
 358        .ids = acpi_pnp_device_ids,
 359        .match = acpi_pnp_match,
 360        .attach = acpi_pnp_attach,
 361};
 362
 363/*
 364 * For CMOS RTC devices, the PNP ACPI scan handler does not work, because
 365 * there is a CMOS RTC ACPI scan handler installed already, so we need to
 366 * check those devices and enumerate them to the PNP bus directly.
 367 */
 368static int is_cmos_rtc_device(struct acpi_device *adev)
 369{
 370        static const struct acpi_device_id ids[] = {
 371                { "PNP0B00" },
 372                { "PNP0B01" },
 373                { "PNP0B02" },
 374                {""},
 375        };
 376        return !acpi_match_device_ids(adev, ids);
 377}
 378
 379bool acpi_is_pnp_device(struct acpi_device *adev)
 380{
 381        return adev->handler == &acpi_pnp_handler || is_cmos_rtc_device(adev);
 382}
 383EXPORT_SYMBOL_GPL(acpi_is_pnp_device);
 384
 385void __init acpi_pnp_init(void)
 386{
 387        acpi_scan_add_handler(&acpi_pnp_handler);
 388}
 389