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 /* 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 318static 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 338static 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 353static int acpi_pnp_attach(struct acpi_device *adev, 354 const struct acpi_device_id *id) 355{ 356 return 1; 357} 358 359static 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 */ 370static 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 381bool acpi_is_pnp_device(struct acpi_device *adev) 382{ 383 return adev->handler == &acpi_pnp_handler || is_cmos_rtc_device(adev); 384} 385EXPORT_SYMBOL_GPL(acpi_is_pnp_device); 386 387void __init acpi_pnp_init(void) 388{ 389 acpi_scan_add_handler(&acpi_pnp_handler); 390} 391