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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * ACPI support for PNP bus type4 *5 * Copyright (C) 2014, Intel Corporation6 * 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 /* 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 {"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 (strlen(idstr) != strlen(list_id))321 return false;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}350 351/*352 * If one of the device IDs below is present in the list of device IDs of a353 * given ACPI device object, the PNP scan handler will not attach to that354 * object, because there is a proper non-PNP driver in the kernel for the355 * device represented by it.356 */357static const struct acpi_device_id acpi_nonpnp_device_ids[] = {358 {"INTC1080"},359 {"INTC1081"},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, because377 * there is a CMOS RTC ACPI scan handler installed already, so we need to378 * 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}401