drivers/acpi/acpica/amlresrc.h

   1 /******************************************************************************
   2  *
   3  * Module Name: amlresrc.h - AML resource descriptors
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2018, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 /* acpisrc:struct_defs -- for acpisrc conversion */
  45
  46 #ifndef __AMLRESRC_H
  47 #define __AMLRESRC_H
  48
  49 /*
  50  * Resource descriptor tags, as defined in the ACPI specification.
  51  * Used to symbolically reference fields within a descriptor.
  52  */
  53 #define ACPI_RESTAG_ADDRESS                     "_ADR"
  54 #define ACPI_RESTAG_ALIGNMENT                   "_ALN"
  55 #define ACPI_RESTAG_ADDRESSSPACE                "_ASI"
  56 #define ACPI_RESTAG_ACCESSSIZE                  "_ASZ"
  57 #define ACPI_RESTAG_TYPESPECIFICATTRIBUTES      "_ATT"
  58 #define ACPI_RESTAG_BASEADDRESS                 "_BAS"
  59 #define ACPI_RESTAG_BUSMASTER                   "_BM_"  /* Master(1), Slave(0) */
  60 #define ACPI_RESTAG_DEBOUNCETIME                "_DBT"
  61 #define ACPI_RESTAG_DECODE                      "_DEC"
  62 #define ACPI_RESTAG_DEVICEPOLARITY              "_DPL"
  63 #define ACPI_RESTAG_DMA                         "_DMA"
  64 #define ACPI_RESTAG_DMATYPE                     "_TYP"  /* Compatible(0), A(1), B(2), F(3) */
  65 #define ACPI_RESTAG_DRIVESTRENGTH               "_DRS"
  66 #define ACPI_RESTAG_ENDIANNESS                  "_END"
  67 #define ACPI_RESTAG_FLOWCONTROL                 "_FLC"
  68 #define ACPI_RESTAG_FUNCTION                    "_FUN"
  69 #define ACPI_RESTAG_GRANULARITY                 "_GRA"
  70 #define ACPI_RESTAG_INTERRUPT                   "_INT"
  71 #define ACPI_RESTAG_INTERRUPTLEVEL              "_LL_"  /* active_lo(1), active_hi(0) */
  72 #define ACPI_RESTAG_INTERRUPTSHARE              "_SHR"  /* Shareable(1), no_share(0) */
  73 #define ACPI_RESTAG_INTERRUPTTYPE               "_HE_"  /* Edge(1), Level(0) */
  74 #define ACPI_RESTAG_IORESTRICTION               "_IOR"
  75 #define ACPI_RESTAG_LENGTH                      "_LEN"
  76 #define ACPI_RESTAG_LINE                        "_LIN"
  77 #define ACPI_RESTAG_MEMATTRIBUTES               "_MTP"  /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
  78 #define ACPI_RESTAG_MEMTYPE                     "_MEM"  /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
  79 #define ACPI_RESTAG_MAXADDR                     "_MAX"
  80 #define ACPI_RESTAG_MINADDR                     "_MIN"
  81 #define ACPI_RESTAG_MAXTYPE                     "_MAF"
  82 #define ACPI_RESTAG_MINTYPE                     "_MIF"
  83 #define ACPI_RESTAG_MODE                        "_MOD"
  84 #define ACPI_RESTAG_PARITY                      "_PAR"
  85 #define ACPI_RESTAG_PHASE                       "_PHA"
  86 #define ACPI_RESTAG_PIN                         "_PIN"
  87 #define ACPI_RESTAG_PINCONFIG                   "_PPI"
  88 #define ACPI_RESTAG_PINCONFIG_TYPE              "_TYP"
  89 #define ACPI_RESTAG_PINCONFIG_VALUE             "_VAL"
  90 #define ACPI_RESTAG_POLARITY                    "_POL"
  91 #define ACPI_RESTAG_REGISTERBITOFFSET           "_RBO"
  92 #define ACPI_RESTAG_REGISTERBITWIDTH            "_RBW"
  93 #define ACPI_RESTAG_RANGETYPE                   "_RNG"
  94 #define ACPI_RESTAG_READWRITETYPE               "_RW_"  /* read_only(0), Writeable (1) */
  95 #define ACPI_RESTAG_LENGTH_RX                   "_RXL"
  96 #define ACPI_RESTAG_LENGTH_TX                   "_TXL"
  97 #define ACPI_RESTAG_SLAVEMODE                   "_SLV"
  98 #define ACPI_RESTAG_SPEED                       "_SPE"
  99 #define ACPI_RESTAG_STOPBITS                    "_STB"
 100 #define ACPI_RESTAG_TRANSLATION                 "_TRA"
 101 #define ACPI_RESTAG_TRANSTYPE                   "_TRS"  /* Sparse(1), Dense(0) */
 102 #define ACPI_RESTAG_TYPE                        "_TTP"  /* Translation(1), Static (0) */
 103 #define ACPI_RESTAG_XFERTYPE                    "_SIZ"  /* 8(0), 8And16(1), 16(2) */
 104 #define ACPI_RESTAG_VENDORDATA                  "_VEN"
 105
 106 /* Default sizes for "small" resource descriptors */
 107
 108 #define ASL_RDESC_IRQ_SIZE                      0x02
 109 #define ASL_RDESC_DMA_SIZE                      0x02
 110 #define ASL_RDESC_ST_DEPEND_SIZE                0x00
 111 #define ASL_RDESC_END_DEPEND_SIZE               0x00
 112 #define ASL_RDESC_IO_SIZE                       0x07
 113 #define ASL_RDESC_FIXED_IO_SIZE                 0x03
 114 #define ASL_RDESC_FIXED_DMA_SIZE                0x05
 115 #define ASL_RDESC_END_TAG_SIZE                  0x01
 116
 117 struct asl_resource_node {
 118         u32 buffer_length;
 119         void *buffer;
 120         struct asl_resource_node *next;
 121 };
 122
 123 struct asl_resource_info {
 124         union acpi_parse_object *descriptor_type_op;    /* Resource descriptor parse node */
 125         union acpi_parse_object *mapping_op;    /* Used for mapfile support */
 126         u32 current_byte_offset;        /* Offset in resource template */
 127 };
 128
 129 /* Macros used to generate AML resource length fields */
 130
 131 #define ACPI_AML_SIZE_LARGE(r)      (sizeof (r) - sizeof (struct aml_resource_large_header))
 132 #define ACPI_AML_SIZE_SMALL(r)      (sizeof (r) - sizeof (struct aml_resource_small_header))
 133
 134 /*
 135  * Resource descriptors defined in the ACPI specification.
 136  *
 137  * Packing/alignment must be BYTE because these descriptors
 138  * are used to overlay the raw AML byte stream.
 139  */
 140 #pragma pack(1)
 141
 142 /*
 143  * SMALL descriptors
 144  */
 145 #define AML_RESOURCE_SMALL_HEADER_COMMON \
 146         u8                              descriptor_type;
 147
 148 struct aml_resource_small_header {
 149 AML_RESOURCE_SMALL_HEADER_COMMON};
 150
 151 struct aml_resource_irq {
 152         AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
 153         u8 flags;
 154 };
 155
 156 struct aml_resource_irq_noflags {
 157         AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
 158 };
 159
 160 struct aml_resource_dma {
 161         AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
 162         u8 flags;
 163 };
 164
 165 struct aml_resource_start_dependent {
 166         AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
 167 };
 168
 169 struct aml_resource_start_dependent_noprio {
 170 AML_RESOURCE_SMALL_HEADER_COMMON};
 171
 172 struct aml_resource_end_dependent {
 173 AML_RESOURCE_SMALL_HEADER_COMMON};
 174
 175 struct aml_resource_io {
 176         AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
 177         u16 minimum;
 178         u16 maximum;
 179         u8 alignment;
 180         u8 address_length;
 181 };
 182
 183 struct aml_resource_fixed_io {
 184         AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
 185         u8 address_length;
 186 };
 187
 188 struct aml_resource_vendor_small {
 189 AML_RESOURCE_SMALL_HEADER_COMMON};
 190
 191 struct aml_resource_end_tag {
 192         AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
 193 };
 194
 195 struct aml_resource_fixed_dma {
 196         AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines;
 197         u16 channels;
 198         u8 width;
 199 };
 200
 201 /*
 202  * LARGE descriptors
 203  */
 204 #define AML_RESOURCE_LARGE_HEADER_COMMON \
 205         u8                              descriptor_type;\
 206         u16                             resource_length;
 207
 208 struct aml_resource_large_header {
 209 AML_RESOURCE_LARGE_HEADER_COMMON};
 210
 211 /* General Flags for address space resource descriptors */
 212
 213 #define ACPI_RESOURCE_FLAG_DEC      2
 214 #define ACPI_RESOURCE_FLAG_MIF      4
 215 #define ACPI_RESOURCE_FLAG_MAF      8
 216
 217 struct aml_resource_memory24 {
 218         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
 219         u16 minimum;
 220         u16 maximum;
 221         u16 alignment;
 222         u16 address_length;
 223 };
 224
 225 struct aml_resource_vendor_large {
 226 AML_RESOURCE_LARGE_HEADER_COMMON};
 227
 228 struct aml_resource_memory32 {
 229         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
 230         u32 minimum;
 231         u32 maximum;
 232         u32 alignment;
 233         u32 address_length;
 234 };
 235
 236 struct aml_resource_fixed_memory32 {
 237         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
 238         u32 address;
 239         u32 address_length;
 240 };
 241
 242 #define AML_RESOURCE_ADDRESS_COMMON \
 243         u8                              resource_type; \
 244         u8                              flags; \
 245         u8                              specific_flags;
 246
 247 struct aml_resource_address {
 248 AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
 249
 250 struct aml_resource_extended_address64 {
 251         AML_RESOURCE_LARGE_HEADER_COMMON
 252             AML_RESOURCE_ADDRESS_COMMON u8 revision_ID;
 253         u8 reserved;
 254         u64 granularity;
 255         u64 minimum;
 256         u64 maximum;
 257         u64 translation_offset;
 258         u64 address_length;
 259         u64 type_specific;
 260 };
 261
 262 #define AML_RESOURCE_EXTENDED_ADDRESS_REVISION          1       /* ACPI 3.0 */
 263
 264 struct aml_resource_address64 {
 265         AML_RESOURCE_LARGE_HEADER_COMMON
 266             AML_RESOURCE_ADDRESS_COMMON u64 granularity;
 267         u64 minimum;
 268         u64 maximum;
 269         u64 translation_offset;
 270         u64 address_length;
 271 };
 272
 273 struct aml_resource_address32 {
 274         AML_RESOURCE_LARGE_HEADER_COMMON
 275             AML_RESOURCE_ADDRESS_COMMON u32 granularity;
 276         u32 minimum;
 277         u32 maximum;
 278         u32 translation_offset;
 279         u32 address_length;
 280 };
 281
 282 struct aml_resource_address16 {
 283         AML_RESOURCE_LARGE_HEADER_COMMON
 284             AML_RESOURCE_ADDRESS_COMMON u16 granularity;
 285         u16 minimum;
 286         u16 maximum;
 287         u16 translation_offset;
 288         u16 address_length;
 289 };
 290
 291 struct aml_resource_extended_irq {
 292         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
 293         u8 interrupt_count;
 294         u32 interrupts[1];
 295         /* res_source_index, res_source optional fields follow */
 296 };
 297
 298 struct aml_resource_generic_register {
 299         AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
 300         u8 bit_width;
 301         u8 bit_offset;
 302         u8 access_size;         /* ACPI 3.0, was previously Reserved */
 303         u64 address;
 304 };
 305
 306 /* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */
 307
 308 struct aml_resource_gpio {
 309         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 310         u8 connection_type;
 311         u16 flags;
 312         u16 int_flags;
 313         u8 pin_config;
 314         u16 drive_strength;
 315         u16 debounce_timeout;
 316         u16 pin_table_offset;
 317         u8 res_source_index;
 318         u16 res_source_offset;
 319         u16 vendor_offset;
 320         u16 vendor_length;
 321         /*
 322          * Optional fields follow immediately:
 323          * 1) PIN list (Words)
 324          * 2) Resource Source String
 325          * 3) Vendor Data bytes
 326          */
 327 };
 328
 329 #define AML_RESOURCE_GPIO_REVISION              1       /* ACPI 5.0 */
 330
 331 /* Values for connection_type above */
 332
 333 #define AML_RESOURCE_GPIO_TYPE_INT              0
 334 #define AML_RESOURCE_GPIO_TYPE_IO               1
 335 #define AML_RESOURCE_MAX_GPIOTYPE               1
 336
 337 /* Common preamble for all serial descriptors (ACPI 5.0) */
 338
 339 #define AML_RESOURCE_SERIAL_COMMON \
 340         u8                              revision_id; \
 341         u8                              res_source_index; \
 342         u8                              type; \
 343         u8                              flags; \
 344         u16                             type_specific_flags; \
 345         u8                              type_revision_id; \
 346         u16                             type_data_length; \
 347
 348 /* Values for the type field above */
 349
 350 #define AML_RESOURCE_I2C_SERIALBUSTYPE          1
 351 #define AML_RESOURCE_SPI_SERIALBUSTYPE          2
 352 #define AML_RESOURCE_UART_SERIALBUSTYPE         3
 353 #define AML_RESOURCE_MAX_SERIALBUSTYPE          3
 354 #define AML_RESOURCE_VENDOR_SERIALBUSTYPE       192     /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
 355
 356 struct aml_resource_common_serialbus {
 357 AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
 358
 359 struct aml_resource_i2c_serialbus {
 360         AML_RESOURCE_LARGE_HEADER_COMMON
 361             AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
 362         u16 slave_address;
 363         /*
 364          * Optional fields follow immediately:
 365          * 1) Vendor Data bytes
 366          * 2) Resource Source String
 367          */
 368 };
 369
 370 #define AML_RESOURCE_I2C_REVISION               1       /* ACPI 5.0 */
 371 #define AML_RESOURCE_I2C_TYPE_REVISION          1       /* ACPI 5.0 */
 372 #define AML_RESOURCE_I2C_MIN_DATA_LEN           6
 373
 374 struct aml_resource_spi_serialbus {
 375         AML_RESOURCE_LARGE_HEADER_COMMON
 376             AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
 377         u8 data_bit_length;
 378         u8 clock_phase;
 379         u8 clock_polarity;
 380         u16 device_selection;
 381         /*
 382          * Optional fields follow immediately:
 383          * 1) Vendor Data bytes
 384          * 2) Resource Source String
 385          */
 386 };
 387
 388 #define AML_RESOURCE_SPI_REVISION               1       /* ACPI 5.0 */
 389 #define AML_RESOURCE_SPI_TYPE_REVISION          1       /* ACPI 5.0 */
 390 #define AML_RESOURCE_SPI_MIN_DATA_LEN           9
 391
 392 struct aml_resource_uart_serialbus {
 393         AML_RESOURCE_LARGE_HEADER_COMMON
 394             AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate;
 395         u16 rx_fifo_size;
 396         u16 tx_fifo_size;
 397         u8 parity;
 398         u8 lines_enabled;
 399         /*
 400          * Optional fields follow immediately:
 401          * 1) Vendor Data bytes
 402          * 2) Resource Source String
 403          */
 404 };
 405
 406 #define AML_RESOURCE_UART_REVISION              1       /* ACPI 5.0 */
 407 #define AML_RESOURCE_UART_TYPE_REVISION         1       /* ACPI 5.0 */
 408 #define AML_RESOURCE_UART_MIN_DATA_LEN          10
 409
 410 struct aml_resource_pin_function {
 411         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 412         u16 flags;
 413         u8 pin_config;
 414         u16 function_number;
 415         u16 pin_table_offset;
 416         u8 res_source_index;
 417         u16 res_source_offset;
 418         u16 vendor_offset;
 419         u16 vendor_length;
 420         /*
 421          * Optional fields follow immediately:
 422          * 1) PIN list (Words)
 423          * 2) Resource Source String
 424          * 3) Vendor Data bytes
 425          */
 426 };
 427
 428 #define AML_RESOURCE_PIN_FUNCTION_REVISION      1       /* ACPI 6.2 */
 429
 430 struct aml_resource_pin_config {
 431         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 432         u16 flags;
 433         u8 pin_config_type;
 434         u32 pin_config_value;
 435         u16 pin_table_offset;
 436         u8 res_source_index;
 437         u16 res_source_offset;
 438         u16 vendor_offset;
 439         u16 vendor_length;
 440         /*
 441          * Optional fields follow immediately:
 442          * 1) PIN list (Words)
 443          * 2) Resource Source String
 444          * 3) Vendor Data bytes
 445          */
 446 };
 447
 448 #define AML_RESOURCE_PIN_CONFIG_REVISION      1 /* ACPI 6.2 */
 449
 450 struct aml_resource_pin_group {
 451         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 452         u16 flags;
 453         u16 pin_table_offset;
 454         u16 label_offset;
 455         u16 vendor_offset;
 456         u16 vendor_length;
 457         /*
 458          * Optional fields follow immediately:
 459          * 1) PIN list (Words)
 460          * 2) Resource Label String
 461          * 3) Vendor Data bytes
 462          */
 463 };
 464
 465 #define AML_RESOURCE_PIN_GROUP_REVISION      1  /* ACPI 6.2 */
 466
 467 struct aml_resource_pin_group_function {
 468         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 469         u16 flags;
 470         u16 function_number;
 471         u8 res_source_index;
 472         u16 res_source_offset;
 473         u16 res_source_label_offset;
 474         u16 vendor_offset;
 475         u16 vendor_length;
 476         /*
 477          * Optional fields follow immediately:
 478          * 1) Resource Source String
 479          * 2) Resource Source Label String
 480          * 3) Vendor Data bytes
 481          */
 482 };
 483
 484 #define AML_RESOURCE_PIN_GROUP_FUNCTION_REVISION    1   /* ACPI 6.2 */
 485
 486 struct aml_resource_pin_group_config {
 487         AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
 488         u16 flags;
 489         u8 pin_config_type;
 490         u32 pin_config_value;
 491         u8 res_source_index;
 492         u16 res_source_offset;
 493         u16 res_source_label_offset;
 494         u16 vendor_offset;
 495         u16 vendor_length;
 496         /*
 497          * Optional fields follow immediately:
 498          * 1) Resource Source String
 499          * 2) Resource Source Label String
 500          * 3) Vendor Data bytes
 501          */
 502 };
 503
 504 #define AML_RESOURCE_PIN_GROUP_CONFIG_REVISION    1     /* ACPI 6.2 */
 505
 506 /* restore default alignment */
 507
 508 #pragma pack()
 509
 510 /* Union of all resource descriptors, so we can allocate the worst case */
 511
 512 union aml_resource {
 513         /* Descriptor headers */
 514
 515         u8 descriptor_type;
 516         struct aml_resource_small_header small_header;
 517         struct aml_resource_large_header large_header;
 518
 519         /* Small resource descriptors */
 520
 521         struct aml_resource_irq irq;
 522         struct aml_resource_dma dma;
 523         struct aml_resource_start_dependent start_dpf;
 524         struct aml_resource_end_dependent end_dpf;
 525         struct aml_resource_io io;
 526         struct aml_resource_fixed_io fixed_io;
 527         struct aml_resource_fixed_dma fixed_dma;
 528         struct aml_resource_vendor_small vendor_small;
 529         struct aml_resource_end_tag end_tag;
 530
 531         /* Large resource descriptors */
 532
 533         struct aml_resource_memory24 memory24;
 534         struct aml_resource_generic_register generic_reg;
 535         struct aml_resource_vendor_large vendor_large;
 536         struct aml_resource_memory32 memory32;
 537         struct aml_resource_fixed_memory32 fixed_memory32;
 538         struct aml_resource_address16 address16;
 539         struct aml_resource_address32 address32;
 540         struct aml_resource_address64 address64;
 541         struct aml_resource_extended_address64 ext_address64;
 542         struct aml_resource_extended_irq extended_irq;
 543         struct aml_resource_gpio gpio;
 544         struct aml_resource_i2c_serialbus i2c_serial_bus;
 545         struct aml_resource_spi_serialbus spi_serial_bus;
 546         struct aml_resource_uart_serialbus uart_serial_bus;
 547         struct aml_resource_common_serialbus common_serial_bus;
 548         struct aml_resource_pin_function pin_function;
 549         struct aml_resource_pin_config pin_config;
 550         struct aml_resource_pin_group pin_group;
 551         struct aml_resource_pin_group_function pin_group_function;
 552         struct aml_resource_pin_group_config pin_group_config;
 553
 554         /* Utility overlays */
 555
 556         struct aml_resource_address address;
 557         u32 dword_item;
 558         u16 word_item;
 559         u8 byte_item;
 560 };
 561
 562 /* Interfaces used by both the disassembler and compiler */
 563
 564 void
 565 mp_save_gpio_info(union acpi_parse_object *op,
 566                   union aml_resource *resource,
 567                   u32 pin_count, u16 *pin_list, char *device_name);
 568
 569 void
 570 mp_save_serial_info(union acpi_parse_object *op,
 571                     union aml_resource *resource, char *device_name);
 572
 573 char *mp_get_hid_from_parse_tree(struct acpi_namespace_node *hid_node);
 574
 575 char *mp_get_hid_via_namestring(char *device_name);
 576
 577 char *mp_get_connection_info(union acpi_parse_object *op,
 578                              u32 pin_index,
 579                              struct acpi_namespace_node **target_node,
 580                              char **target_name);
 581
 582 char *mp_get_parent_device_hid(union acpi_parse_object *op,
 583                                struct acpi_namespace_node **target_node,
 584                                char **parent_device_name);
 585
 586 char *mp_get_ddn_value(char *device_name);
 587
 588 char *mp_get_hid_value(struct acpi_namespace_node *device_node);
 589
 590 #endif