drivers/acpi/acpica/amlresrc.h

   1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Module Name: amlresrc.h - AML resource descriptors
   5  *
   6  * Copyright (C) 2000 - 2023, Intel Corp.
   7  *
   8  *****************************************************************************/
   9
  10 /* acpisrc:struct_defs -- for acpisrc conversion */
  11
  12 #ifndef __AMLRESRC_H
  13 #define __AMLRESRC_H
  14
  15 /*
  16  * Resource descriptor tags, as defined in the ACPI specification.
  17  * Used to symbolically reference fields within a descriptor.
  18  */
  19 #define ACPI_RESTAG_ADDRESS                     "_ADR"
  20 #define ACPI_RESTAG_ALIGNMENT                   "_ALN"
  21 #define ACPI_RESTAG_ADDRESSSPACE                "_ASI"
  22 #define ACPI_RESTAG_ACCESSSIZE                  "_ASZ"
  23 #define ACPI_RESTAG_TYPESPECIFICATTRIBUTES      "_ATT"
  24 #define ACPI_RESTAG_BASEADDRESS                 "_BAS"
  25 #define ACPI_RESTAG_BUSMASTER                   "_BM_"  /* Master(1), Slave(0) */
  26 #define ACPI_RESTAG_DEBOUNCETIME                "_DBT"
  27 #define ACPI_RESTAG_DECODE                      "_DEC"
  28 #define ACPI_RESTAG_DEVICEPOLARITY              "_DPL"
  29 #define ACPI_RESTAG_DMA                         "_DMA"
  30 #define ACPI_RESTAG_DMATYPE                     "_TYP"  /* Compatible(0), A(1), B(2), F(3) */
  31 #define ACPI_RESTAG_DRIVESTRENGTH               "_DRS"
  32 #define ACPI_RESTAG_ENDIANNESS                  "_END"
  33 #define ACPI_RESTAG_FLOWCONTROL                 "_FLC"
  34 #define ACPI_RESTAG_FUNCTION                    "_FUN"
  35 #define ACPI_RESTAG_GRANULARITY                 "_GRA"
  36 #define ACPI_RESTAG_INTERRUPT                   "_INT"
  37 #define ACPI_RESTAG_INTERRUPTLEVEL              "_LL_"  /* active_lo(1), active_hi(0) */
  38 #define ACPI_RESTAG_INTERRUPTSHARE              "_SHR"  /* Shareable(1), no_share(0) */
  39 #define ACPI_RESTAG_INTERRUPTTYPE               "_HE_"  /* Edge(1), Level(0) */
  40 #define ACPI_RESTAG_IORESTRICTION               "_IOR"
  41 #define ACPI_RESTAG_LENGTH                      "_LEN"
  42 #define ACPI_RESTAG_LINE                        "_LIN"
  43 #define ACPI_RESTAG_LOCALPORT                   "_PRT"
  44 #define ACPI_RESTAG_MEMATTRIBUTES               "_MTP"  /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
  45 #define ACPI_RESTAG_MEMTYPE                     "_MEM"  /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
  46 #define ACPI_RESTAG_MAXADDR                     "_MAX"
  47 #define ACPI_RESTAG_MINADDR                     "_MIN"
  48 #define ACPI_RESTAG_MAXTYPE                     "_MAF"
  49 #define ACPI_RESTAG_MINTYPE                     "_MIF"
  50 #define ACPI_RESTAG_MODE                        "_MOD"
  51 #define ACPI_RESTAG_PARITY                      "_PAR"
  52 #define ACPI_RESTAG_PHASE                       "_PHA"
  53 #define ACPI_RESTAG_PHYTYPE                     "_PHY"
  54 #define ACPI_RESTAG_PIN                         "_PIN"
  55 #define ACPI_RESTAG_PINCONFIG                   "_PPI"
  56 #define ACPI_RESTAG_PINCONFIG_TYPE              "_TYP"
  57 #define ACPI_RESTAG_PINCONFIG_VALUE             "_VAL"
  58 #define ACPI_RESTAG_POLARITY                    "_POL"
  59 #define ACPI_RESTAG_REGISTERBITOFFSET           "_RBO"
  60 #define ACPI_RESTAG_REGISTERBITWIDTH            "_RBW"
  61 #define ACPI_RESTAG_RANGETYPE                   "_RNG"
  62 #define ACPI_RESTAG_READWRITETYPE               "_RW_"  /* read_only(0), Writeable (1) */
  63 #define ACPI_RESTAG_LENGTH_RX                   "_RXL"
  64 #define ACPI_RESTAG_LENGTH_TX                   "_TXL"
  65 #define ACPI_RESTAG_SLAVEMODE                   "_SLV"
  66 #define ACPI_RESTAG_SPEED                       "_SPE"
  67 #define ACPI_RESTAG_STOPBITS                    "_STB"
  68 #define ACPI_RESTAG_TRANSLATION                 "_TRA"
  69 #define ACPI_RESTAG_TRANSTYPE                   "_TRS"  /* Sparse(1), Dense(0) */
  70 #define ACPI_RESTAG_TYPE                        "_TTP"  /* Translation(1), Static (0) */
  71 #define ACPI_RESTAG_XFERTYPE                    "_SIZ"  /* 8(0), 8And16(1), 16(2) */
  72 #define ACPI_RESTAG_VENDORDATA                  "_VEN"
  73 #define ACPI_RESTAG_FQN                         "_FQN"
  74 #define ACPI_RESTAG_FQD                         "_FQD"
  75
  76 /* Default sizes for "small" resource descriptors */
  77
  78 #define ASL_RDESC_IRQ_SIZE                      0x02
  79 #define ASL_RDESC_DMA_SIZE                      0x02
  80 #define ASL_RDESC_ST_DEPEND_SIZE                0x00
  81 #define ASL_RDESC_END_DEPEND_SIZE               0x00
  82 #define ASL_RDESC_IO_SIZE                       0x07
  83 #define ASL_RDESC_FIXED_IO_SIZE                 0x03
  84 #define ASL_RDESC_FIXED_DMA_SIZE                0x05
  85 #define ASL_RDESC_END_TAG_SIZE                  0x01
  86
  87 struct asl_resource_node {
  88         u32 buffer_length;
  89         void *buffer;
  90         struct asl_resource_node *next;
  91 };
  92
  93 struct asl_resource_info {
  94         union acpi_parse_object *descriptor_type_op;    /* Resource descriptor parse node */
  95         union acpi_parse_object *mapping_op;    /* Used for mapfile support */
  96         u32 current_byte_offset;        /* Offset in resource template */
  97 };
  98
  99 /* Macros used to generate AML resource length fields */
 100
 101 #define ACPI_AML_SIZE_LARGE(r)      (sizeof (r) - sizeof (struct aml_resource_large_header))
 102 #define ACPI_AML_SIZE_SMALL(r)      (sizeof (r) - sizeof (struct aml_resource_small_header))
 103
 104 /*
 105  * Resource descriptors defined in the ACPI specification.
 106  *
 107  * Packing/alignment must be BYTE because these descriptors
 108  * are used to overlay the raw AML byte stream.
 109  */
 110 #pragma pack(1)
 111
 112 /*
 113  * SMALL descriptors
 114  */
 115 #define AML_RESOURCE_SMALL_HEADER_COMMON \
 116         u8                              descriptor_type;
 117
 118 struct aml_resource_small_header {
 119 AML_RESOURCE_SMALL_HEADER_COMMON};
 120
 121 struct aml_resource_irq {
 122         AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
 123         u8 flags;
 124 };
 125
 126 struct aml_resource_irq_noflags {
 127         AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
 128 };
 129
 130 struct aml_resource_dma {
 131         AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
 132         u8 flags;
 133 };
 134
 135 struct aml_resource_start_dependent {
 136         AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
 137 };
 138
 139 struct aml_resource_start_dependent_noprio {
 140 AML_RESOURCE_SMALL_HEADER_COMMON};
 141
 142 struct aml_resource_end_dependent {
 143 AML_RESOURCE_SMALL_HEADER_COMMON};
 144
 145 struct aml_resource_io {
 146         AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
 147         u16 minimum;
 148         u16 maximum;
 149         u8 alignment;
 150         u8 address_length;
 151 };
 152
 153 struct aml_resource_fixed_io {
 154         AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
 155         u8 address_length;
 156 };
 157
 158 struct aml_resource_vendor_small {
 159 AML_RESOURCE_SMALL_HEADER_COMMON};
 160
 161 struct aml_resource_end_tag {
 162         AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
 163 };
 164
 165 struct aml_resource_fixed_dma {
 166         AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines;
 167         u16 channels;
 168         u8 width;
 169 };
 170
 171 /*
 172  * LARGE descriptors
 173  */
 174 #define AML_RESOURCE_LARGE_HEADER_COMMON \
 175         u8                              descriptor_type;\
 176         u16                             resource_length;
 177
 178 struct aml_resource_large_header {
 179 AML_RESOURCE_LARGE_HEADER_COMMON};
 180
 181 /* General Flags for address space resource descriptors */
 182
 183 #define ACPI_RESOURCE_FLAG_DEC      2
 184 #define ACPI_RESOURCE_FLAG_MIF      4
 185 #define ACPI_RESOURCE_FLAG_MAF      8
 186
 187 struct aml_resource_memory24 {
 188         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
 189         u16 minimum;
 190         u16 maximum;
 191         u16 alignment;
 192         u16 address_length;
 193 };
 194
 195 struct aml_resource_vendor_large {
 196 AML_RESOURCE_LARGE_HEADER_COMMON};
 197
 198 struct aml_resource_memory32 {
 199         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
 200         u32 minimum;
 201         u32 maximum;
 202         u32 alignment;
 203         u32 address_length;
 204 };
 205
 206 struct aml_resource_fixed_memory32 {
 207         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
 208         u32 address;
 209         u32 address_length;
 210 };
 211
 212 #define AML_RESOURCE_ADDRESS_COMMON \
 213         u8                              resource_type; \
 214         u8                              flags; \
 215         u8                              specific_flags;
 216
 217 struct aml_resource_address {
 218 AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
 219
 220 struct aml_resource_extended_address64 {
 221         AML_RESOURCE_LARGE_HEADER_COMMON
 222             AML_RESOURCE_ADDRESS_COMMON u8 revision_ID;
 223         u8 reserved;
 224         u64 granularity;
 225         u64 minimum;
 226         u64 maximum;
 227         u64 translation_offset;
 228         u64 address_length;
 229         u64 type_specific;
 230 };
 231
 232 #define AML_RESOURCE_EXTENDED_ADDRESS_REVISION          1       /* ACPI 3.0 */
 233
 234 struct aml_resource_address64 {
 235         AML_RESOURCE_LARGE_HEADER_COMMON
 236             AML_RESOURCE_ADDRESS_COMMON u64 granularity;
 237         u64 minimum;
 238         u64 maximum;
 239         u64 translation_offset;
 240         u64 address_length;
 241 };
 242
 243 struct aml_resource_address32 {
 244         AML_RESOURCE_LARGE_HEADER_COMMON
 245             AML_RESOURCE_ADDRESS_COMMON u32 granularity;
 246         u32 minimum;
 247         u32 maximum;
 248         u32 translation_offset;
 249         u32 address_length;
 250 };
 251
 252 struct aml_resource_address16 {
 253         AML_RESOURCE_LARGE_HEADER_COMMON
 254             AML_RESOURCE_ADDRESS_COMMON u16 granularity;
 255         u16 minimum;
 256         u16 maximum;
 257         u16 translation_offset;
 258         u16 address_length;
 259 };
 260
 261 struct aml_resource_extended_irq {
 262         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
 263         u8 interrupt_count;
 264         union {
 265                 u32 interrupt;
 266                  ACPI_FLEX_ARRAY(u32, interrupts);
 267         };
 268         /* res_source_index, res_source optional fields follow */
 269 };
 270
 271 struct aml_resource_generic_register {
 272         AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
 273         u8 bit_width;
 274         u8 bit_offset;
 275         u8 access_size;         /* ACPI 3.0, was previously Reserved */
 276         u64 address;
 277 };
 278
 279 /* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */
 280
 281 struct aml_resource_gpio {
 282         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 283         u8 connection_type;
 284         u16 flags;
 285         u16 int_flags;
 286         u8 pin_config;
 287         u16 drive_strength;
 288         u16 debounce_timeout;
 289         u16 pin_table_offset;
 290         u8 res_source_index;
 291         u16 res_source_offset;
 292         u16 vendor_offset;
 293         u16 vendor_length;
 294         /*
 295          * Optional fields follow immediately:
 296          * 1) PIN list (Words)
 297          * 2) Resource Source String
 298          * 3) Vendor Data bytes
 299          */
 300 };
 301
 302 #define AML_RESOURCE_GPIO_REVISION              1       /* ACPI 5.0 */
 303
 304 /* Values for connection_type above */
 305
 306 #define AML_RESOURCE_GPIO_TYPE_INT              0
 307 #define AML_RESOURCE_GPIO_TYPE_IO               1
 308 #define AML_RESOURCE_MAX_GPIOTYPE               1
 309
 310 /* Common preamble for all serial descriptors (ACPI 5.0) */
 311
 312 #define AML_RESOURCE_SERIAL_COMMON \
 313         u8                              revision_id; \
 314         u8                              res_source_index; \
 315         u8                              type; \
 316         u8                              flags; \
 317         u16                             type_specific_flags; \
 318         u8                              type_revision_id; \
 319         u16                             type_data_length; \
 320
 321 /* Values for the type field above */
 322
 323 #define AML_RESOURCE_I2C_SERIALBUSTYPE          1
 324 #define AML_RESOURCE_SPI_SERIALBUSTYPE          2
 325 #define AML_RESOURCE_UART_SERIALBUSTYPE         3
 326 #define AML_RESOURCE_CSI2_SERIALBUSTYPE         4
 327 #define AML_RESOURCE_MAX_SERIALBUSTYPE          4
 328 #define AML_RESOURCE_VENDOR_SERIALBUSTYPE       192     /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
 329
 330 struct aml_resource_common_serialbus {
 331 AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
 332
 333 struct aml_resource_csi2_serialbus {
 334         AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON
 335             /*
 336              * Optional fields follow immediately:
 337              * 1) Vendor Data bytes
 338              * 2) Resource Source String
 339              */
 340 };
 341
 342 #define AML_RESOURCE_CSI2_REVISION              1       /* ACPI 6.4 */
 343 #define AML_RESOURCE_CSI2_TYPE_REVISION         1       /* ACPI 6.4 */
 344 #define AML_RESOURCE_CSI2_MIN_DATA_LEN          0       /* ACPI 6.4 */
 345
 346 struct aml_resource_i2c_serialbus {
 347         AML_RESOURCE_LARGE_HEADER_COMMON
 348             AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
 349         u16 slave_address;
 350         /*
 351          * Optional fields follow immediately:
 352          * 1) Vendor Data bytes
 353          * 2) Resource Source String
 354          */
 355 };
 356
 357 #define AML_RESOURCE_I2C_REVISION               1       /* ACPI 5.0 */
 358 #define AML_RESOURCE_I2C_TYPE_REVISION          1       /* ACPI 5.0 */
 359 #define AML_RESOURCE_I2C_MIN_DATA_LEN           6
 360
 361 struct aml_resource_spi_serialbus {
 362         AML_RESOURCE_LARGE_HEADER_COMMON
 363             AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
 364         u8 data_bit_length;
 365         u8 clock_phase;
 366         u8 clock_polarity;
 367         u16 device_selection;
 368         /*
 369          * Optional fields follow immediately:
 370          * 1) Vendor Data bytes
 371          * 2) Resource Source String
 372          */
 373 };
 374
 375 #define AML_RESOURCE_SPI_REVISION               1       /* ACPI 5.0 */
 376 #define AML_RESOURCE_SPI_TYPE_REVISION          1       /* ACPI 5.0 */
 377 #define AML_RESOURCE_SPI_MIN_DATA_LEN           9
 378
 379 struct aml_resource_uart_serialbus {
 380         AML_RESOURCE_LARGE_HEADER_COMMON
 381             AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate;
 382         u16 rx_fifo_size;
 383         u16 tx_fifo_size;
 384         u8 parity;
 385         u8 lines_enabled;
 386         /*
 387          * Optional fields follow immediately:
 388          * 1) Vendor Data bytes
 389          * 2) Resource Source String
 390          */
 391 };
 392
 393 #define AML_RESOURCE_UART_REVISION              1       /* ACPI 5.0 */
 394 #define AML_RESOURCE_UART_TYPE_REVISION         1       /* ACPI 5.0 */
 395 #define AML_RESOURCE_UART_MIN_DATA_LEN          10
 396
 397 struct aml_resource_pin_function {
 398         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 399         u16 flags;
 400         u8 pin_config;
 401         u16 function_number;
 402         u16 pin_table_offset;
 403         u8 res_source_index;
 404         u16 res_source_offset;
 405         u16 vendor_offset;
 406         u16 vendor_length;
 407         /*
 408          * Optional fields follow immediately:
 409          * 1) PIN list (Words)
 410          * 2) Resource Source String
 411          * 3) Vendor Data bytes
 412          */
 413 };
 414
 415 #define AML_RESOURCE_PIN_FUNCTION_REVISION      1       /* ACPI 6.2 */
 416
 417 struct aml_resource_pin_config {
 418         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 419         u16 flags;
 420         u8 pin_config_type;
 421         u32 pin_config_value;
 422         u16 pin_table_offset;
 423         u8 res_source_index;
 424         u16 res_source_offset;
 425         u16 vendor_offset;
 426         u16 vendor_length;
 427         /*
 428          * Optional fields follow immediately:
 429          * 1) PIN list (Words)
 430          * 2) Resource Source String
 431          * 3) Vendor Data bytes
 432          */
 433 };
 434
 435 #define AML_RESOURCE_CLOCK_INPUT_REVISION      1        /* ACPI 6.5 */
 436
 437 struct aml_resource_clock_input {
 438         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 439         u16 flags;
 440         u16 frequency_divisor;
 441         u32 frequency_numerator;
 442         /*
 443          * Optional fields follow immediately:
 444          * 1) Resource Source index
 445          * 2) Resource Source String
 446          */
 447 };
 448
 449 #define AML_RESOURCE_PIN_CONFIG_REVISION      1 /* ACPI 6.2 */
 450
 451 struct aml_resource_pin_group {
 452         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 453         u16 flags;
 454         u16 pin_table_offset;
 455         u16 label_offset;
 456         u16 vendor_offset;
 457         u16 vendor_length;
 458         /*
 459          * Optional fields follow immediately:
 460          * 1) PIN list (Words)
 461          * 2) Resource Label String
 462          * 3) Vendor Data bytes
 463          */
 464 };
 465
 466 #define AML_RESOURCE_PIN_GROUP_REVISION      1  /* ACPI 6.2 */
 467
 468 struct aml_resource_pin_group_function {
 469         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 470         u16 flags;
 471         u16 function_number;
 472         u8 res_source_index;
 473         u16 res_source_offset;
 474         u16 res_source_label_offset;
 475         u16 vendor_offset;
 476         u16 vendor_length;
 477         /*
 478          * Optional fields follow immediately:
 479          * 1) Resource Source String
 480          * 2) Resource Source Label String
 481          * 3) Vendor Data bytes
 482          */
 483 };
 484
 485 #define AML_RESOURCE_PIN_GROUP_FUNCTION_REVISION    1   /* ACPI 6.2 */
 486
 487 struct aml_resource_pin_group_config {
 488         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 489         u16 flags;
 490         u8 pin_config_type;
 491         u32 pin_config_value;
 492         u8 res_source_index;
 493         u16 res_source_offset;
 494         u16 res_source_label_offset;
 495         u16 vendor_offset;
 496         u16 vendor_length;
 497         /*
 498          * Optional fields follow immediately:
 499          * 1) Resource Source String
 500          * 2) Resource Source Label String
 501          * 3) Vendor Data bytes
 502          */
 503 };
 504
 505 #define AML_RESOURCE_PIN_GROUP_CONFIG_REVISION    1     /* ACPI 6.2 */
 506
 507 /* restore default alignment */
 508
 509 #pragma pack()
 510
 511 /* Union of all resource descriptors, so we can allocate the worst case */
 512
 513 union aml_resource {
 514         /* Descriptor headers */
 515
 516         u8 descriptor_type;
 517         struct aml_resource_small_header small_header;
 518         struct aml_resource_large_header large_header;
 519
 520         /* Small resource descriptors */
 521
 522         struct aml_resource_irq irq;
 523         struct aml_resource_dma dma;
 524         struct aml_resource_start_dependent start_dpf;
 525         struct aml_resource_end_dependent end_dpf;
 526         struct aml_resource_io io;
 527         struct aml_resource_fixed_io fixed_io;
 528         struct aml_resource_fixed_dma fixed_dma;
 529         struct aml_resource_vendor_small vendor_small;
 530         struct aml_resource_end_tag end_tag;
 531
 532         /* Large resource descriptors */
 533
 534         struct aml_resource_memory24 memory24;
 535         struct aml_resource_generic_register generic_reg;
 536         struct aml_resource_vendor_large vendor_large;
 537         struct aml_resource_memory32 memory32;
 538         struct aml_resource_fixed_memory32 fixed_memory32;
 539         struct aml_resource_address16 address16;
 540         struct aml_resource_address32 address32;
 541         struct aml_resource_address64 address64;
 542         struct aml_resource_extended_address64 ext_address64;
 543         struct aml_resource_extended_irq extended_irq;
 544         struct aml_resource_gpio gpio;
 545         struct aml_resource_i2c_serialbus i2c_serial_bus;
 546         struct aml_resource_spi_serialbus spi_serial_bus;
 547         struct aml_resource_uart_serialbus uart_serial_bus;
 548         struct aml_resource_csi2_serialbus csi2_serial_bus;
 549         struct aml_resource_common_serialbus common_serial_bus;
 550         struct aml_resource_pin_function pin_function;
 551         struct aml_resource_pin_config pin_config;
 552         struct aml_resource_pin_group pin_group;
 553         struct aml_resource_pin_group_function pin_group_function;
 554         struct aml_resource_pin_group_config pin_group_config;
 555         struct aml_resource_clock_input clock_input;
 556
 557         /* Utility overlays */
 558
 559         struct aml_resource_address address;
 560         u32 dword_item;
 561         u16 word_item;
 562         u8 byte_item;
 563 };
 564
 565 /* Interfaces used by both the disassembler and compiler */
 566
 567 void
 568 mp_save_gpio_info(union acpi_parse_object *op,
 569                   union aml_resource *resource,
 570                   u32 pin_count, u16 *pin_list, char *device_name);
 571
 572 void
 573 mp_save_serial_info(union acpi_parse_object *op,
 574                     union aml_resource *resource, char *device_name);
 575
 576 char *mp_get_hid_from_parse_tree(struct acpi_namespace_node *hid_node);
 577
 578 char *mp_get_hid_via_namestring(char *device_name);
 579
 580 char *mp_get_connection_info(union acpi_parse_object *op,
 581                              u32 pin_index,
 582                              struct acpi_namespace_node **target_node,
 583                              char **target_name);
 584
 585 char *mp_get_parent_device_hid(union acpi_parse_object *op,
 586                                struct acpi_namespace_node **target_node,
 587                                char **parent_device_name);
 588
 589 char *mp_get_ddn_value(char *device_name);
 590
 591 char *mp_get_hid_value(struct acpi_namespace_node *device_node);
 592
 593 #endif