linux/include/acpi/acrestyp.h
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   1/******************************************************************************
   2 *
   3 * Name: acrestyp.h - Defines, types, and structures for resource descriptors
   4 *
   5 *****************************************************************************/
   6
   7/*
   8 * Copyright (C) 2000 - 2013, 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#ifndef __ACRESTYP_H__
  45#define __ACRESTYP_H__
  46
  47/*
  48 * Definitions for Resource Attributes
  49 */
  50typedef u16 acpi_rs_length;     /* Resource Length field is fixed at 16 bits */
  51typedef u32 acpi_rsdesc_size;   /* Max Resource Descriptor size is (Length+3) = (64K-1)+3 */
  52
  53/*
  54 * Memory Attributes
  55 */
  56#define ACPI_READ_ONLY_MEMORY           (u8) 0x00
  57#define ACPI_READ_WRITE_MEMORY          (u8) 0x01
  58
  59#define ACPI_NON_CACHEABLE_MEMORY       (u8) 0x00
  60#define ACPI_CACHABLE_MEMORY            (u8) 0x01
  61#define ACPI_WRITE_COMBINING_MEMORY     (u8) 0x02
  62#define ACPI_PREFETCHABLE_MEMORY        (u8) 0x03
  63
  64/*! [Begin] no source code translation */
  65/*
  66 * IO Attributes
  67 * The ISA IO ranges are:     n000-n0FFh,  n400-n4FFh, n800-n8FFh, nC00-nCFFh.
  68 * The non-ISA IO ranges are: n100-n3FFh,  n500-n7FFh, n900-nBFFh, nCD0-nFFFh.
  69 */
  70/*! [End] no source code translation !*/
  71
  72#define ACPI_NON_ISA_ONLY_RANGES        (u8) 0x01
  73#define ACPI_ISA_ONLY_RANGES            (u8) 0x02
  74#define ACPI_ENTIRE_RANGE               (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
  75
  76/* Type of translation - 1=Sparse, 0=Dense */
  77
  78#define ACPI_SPARSE_TRANSLATION         (u8) 0x01
  79
  80/*
  81 * IO Port Descriptor Decode
  82 */
  83#define ACPI_DECODE_10                  (u8) 0x00       /* 10-bit IO address decode */
  84#define ACPI_DECODE_16                  (u8) 0x01       /* 16-bit IO address decode */
  85
  86/*
  87 * Interrupt attributes - used in multiple descriptors
  88 */
  89
  90/* Triggering */
  91
  92#define ACPI_LEVEL_SENSITIVE            (u8) 0x00
  93#define ACPI_EDGE_SENSITIVE             (u8) 0x01
  94
  95/* Polarity */
  96
  97#define ACPI_ACTIVE_HIGH                (u8) 0x00
  98#define ACPI_ACTIVE_LOW                 (u8) 0x01
  99#define ACPI_ACTIVE_BOTH                (u8) 0x02
 100
 101/* Sharing */
 102
 103#define ACPI_EXCLUSIVE                  (u8) 0x00
 104#define ACPI_SHARED                     (u8) 0x01
 105
 106/* Wake */
 107
 108#define ACPI_NOT_WAKE_CAPABLE           (u8) 0x00
 109#define ACPI_WAKE_CAPABLE               (u8) 0x01
 110
 111/*
 112 * DMA Attributes
 113 */
 114#define ACPI_COMPATIBILITY              (u8) 0x00
 115#define ACPI_TYPE_A                     (u8) 0x01
 116#define ACPI_TYPE_B                     (u8) 0x02
 117#define ACPI_TYPE_F                     (u8) 0x03
 118
 119#define ACPI_NOT_BUS_MASTER             (u8) 0x00
 120#define ACPI_BUS_MASTER                 (u8) 0x01
 121
 122#define ACPI_TRANSFER_8                 (u8) 0x00
 123#define ACPI_TRANSFER_8_16              (u8) 0x01
 124#define ACPI_TRANSFER_16                (u8) 0x02
 125
 126/*
 127 * Start Dependent Functions Priority definitions
 128 */
 129#define ACPI_GOOD_CONFIGURATION         (u8) 0x00
 130#define ACPI_ACCEPTABLE_CONFIGURATION   (u8) 0x01
 131#define ACPI_SUB_OPTIMAL_CONFIGURATION  (u8) 0x02
 132
 133/*
 134 * 16, 32 and 64-bit Address Descriptor resource types
 135 */
 136#define ACPI_MEMORY_RANGE               (u8) 0x00
 137#define ACPI_IO_RANGE                   (u8) 0x01
 138#define ACPI_BUS_NUMBER_RANGE           (u8) 0x02
 139
 140#define ACPI_ADDRESS_NOT_FIXED          (u8) 0x00
 141#define ACPI_ADDRESS_FIXED              (u8) 0x01
 142
 143#define ACPI_POS_DECODE                 (u8) 0x00
 144#define ACPI_SUB_DECODE                 (u8) 0x01
 145
 146/* Producer/Consumer */
 147
 148#define ACPI_PRODUCER                   (u8) 0x00
 149#define ACPI_CONSUMER                   (u8) 0x01
 150
 151/*
 152 * If possible, pack the following structures to byte alignment
 153 */
 154#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
 155#pragma pack(1)
 156#endif
 157
 158/* UUID data structures for use in vendor-defined resource descriptors */
 159
 160struct acpi_uuid {
 161        u8 data[ACPI_UUID_LENGTH];
 162};
 163
 164struct acpi_vendor_uuid {
 165        u8 subtype;
 166        u8 data[ACPI_UUID_LENGTH];
 167};
 168
 169/*
 170 * Structures used to describe device resources
 171 */
 172struct acpi_resource_irq {
 173        u8 descriptor_length;
 174        u8 triggering;
 175        u8 polarity;
 176        u8 sharable;
 177        u8 wake_capable;
 178        u8 interrupt_count;
 179        u8 interrupts[1];
 180};
 181
 182struct acpi_resource_dma {
 183        u8 type;
 184        u8 bus_master;
 185        u8 transfer;
 186        u8 channel_count;
 187        u8 channels[1];
 188};
 189
 190struct acpi_resource_start_dependent {
 191        u8 descriptor_length;
 192        u8 compatibility_priority;
 193        u8 performance_robustness;
 194};
 195
 196/*
 197 * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
 198 * needed because it has no fields
 199 */
 200
 201struct acpi_resource_io {
 202        u8 io_decode;
 203        u8 alignment;
 204        u8 address_length;
 205        u16 minimum;
 206        u16 maximum;
 207};
 208
 209struct acpi_resource_fixed_io {
 210        u16 address;
 211        u8 address_length;
 212};
 213
 214struct acpi_resource_fixed_dma {
 215        u16 request_lines;
 216        u16 channels;
 217        u8 width;
 218};
 219
 220/* Values for Width field above */
 221
 222#define ACPI_DMA_WIDTH8                         0
 223#define ACPI_DMA_WIDTH16                        1
 224#define ACPI_DMA_WIDTH32                        2
 225#define ACPI_DMA_WIDTH64                        3
 226#define ACPI_DMA_WIDTH128                       4
 227#define ACPI_DMA_WIDTH256                       5
 228
 229struct acpi_resource_vendor {
 230        u16 byte_length;
 231        u8 byte_data[1];
 232};
 233
 234/* Vendor resource with UUID info (introduced in ACPI 3.0) */
 235
 236struct acpi_resource_vendor_typed {
 237        u16 byte_length;
 238        u8 uuid_subtype;
 239        u8 uuid[ACPI_UUID_LENGTH];
 240        u8 byte_data[1];
 241};
 242
 243struct acpi_resource_end_tag {
 244        u8 checksum;
 245};
 246
 247struct acpi_resource_memory24 {
 248        u8 write_protect;
 249        u16 minimum;
 250        u16 maximum;
 251        u16 alignment;
 252        u16 address_length;
 253};
 254
 255struct acpi_resource_memory32 {
 256        u8 write_protect;
 257        u32 minimum;
 258        u32 maximum;
 259        u32 alignment;
 260        u32 address_length;
 261};
 262
 263struct acpi_resource_fixed_memory32 {
 264        u8 write_protect;
 265        u32 address;
 266        u32 address_length;
 267};
 268
 269struct acpi_memory_attribute {
 270        u8 write_protect;
 271        u8 caching;
 272        u8 range_type;
 273        u8 translation;
 274};
 275
 276struct acpi_io_attribute {
 277        u8 range_type;
 278        u8 translation;
 279        u8 translation_type;
 280        u8 reserved1;
 281};
 282
 283union acpi_resource_attribute {
 284        struct acpi_memory_attribute mem;
 285        struct acpi_io_attribute io;
 286
 287        /* Used for the *word_space macros */
 288
 289        u8 type_specific;
 290};
 291
 292struct acpi_resource_source {
 293        u8 index;
 294        u16 string_length;
 295        char *string_ptr;
 296};
 297
 298/* Fields common to all address descriptors, 16/32/64 bit */
 299
 300#define ACPI_RESOURCE_ADDRESS_COMMON \
 301        u8                                      resource_type; \
 302        u8                                      producer_consumer; \
 303        u8                                      decode; \
 304        u8                                      min_address_fixed; \
 305        u8                                      max_address_fixed; \
 306        union acpi_resource_attribute           info;
 307
 308struct acpi_resource_address {
 309ACPI_RESOURCE_ADDRESS_COMMON};
 310
 311struct acpi_resource_address16 {
 312        ACPI_RESOURCE_ADDRESS_COMMON u16 granularity;
 313        u16 minimum;
 314        u16 maximum;
 315        u16 translation_offset;
 316        u16 address_length;
 317        struct acpi_resource_source resource_source;
 318};
 319
 320struct acpi_resource_address32 {
 321        ACPI_RESOURCE_ADDRESS_COMMON u32 granularity;
 322        u32 minimum;
 323        u32 maximum;
 324        u32 translation_offset;
 325        u32 address_length;
 326        struct acpi_resource_source resource_source;
 327};
 328
 329struct acpi_resource_address64 {
 330        ACPI_RESOURCE_ADDRESS_COMMON u64 granularity;
 331        u64 minimum;
 332        u64 maximum;
 333        u64 translation_offset;
 334        u64 address_length;
 335        struct acpi_resource_source resource_source;
 336};
 337
 338struct acpi_resource_extended_address64 {
 339        ACPI_RESOURCE_ADDRESS_COMMON u8 revision_ID;
 340        u64 granularity;
 341        u64 minimum;
 342        u64 maximum;
 343        u64 translation_offset;
 344        u64 address_length;
 345        u64 type_specific;
 346};
 347
 348struct acpi_resource_extended_irq {
 349        u8 producer_consumer;
 350        u8 triggering;
 351        u8 polarity;
 352        u8 sharable;
 353        u8 wake_capable;
 354        u8 interrupt_count;
 355        struct acpi_resource_source resource_source;
 356        u32 interrupts[1];
 357};
 358
 359struct acpi_resource_generic_register {
 360        u8 space_id;
 361        u8 bit_width;
 362        u8 bit_offset;
 363        u8 access_size;
 364        u64 address;
 365};
 366
 367struct acpi_resource_gpio {
 368        u8 revision_id;
 369        u8 connection_type;
 370        u8 producer_consumer;   /* For values, see Producer/Consumer above */
 371        u8 pin_config;
 372        u8 sharable;            /* For values, see Interrupt Attributes above */
 373        u8 wake_capable;        /* For values, see Interrupt Attributes above */
 374        u8 io_restriction;
 375        u8 triggering;          /* For values, see Interrupt Attributes above */
 376        u8 polarity;            /* For values, see Interrupt Attributes above */
 377        u16 drive_strength;
 378        u16 debounce_timeout;
 379        u16 pin_table_length;
 380        u16 vendor_length;
 381        struct acpi_resource_source resource_source;
 382        u16 *pin_table;
 383        u8 *vendor_data;
 384};
 385
 386/* Values for GPIO connection_type field above */
 387
 388#define ACPI_RESOURCE_GPIO_TYPE_INT             0
 389#define ACPI_RESOURCE_GPIO_TYPE_IO              1
 390
 391/* Values for pin_config field above */
 392
 393#define ACPI_PIN_CONFIG_DEFAULT                 0
 394#define ACPI_PIN_CONFIG_PULLUP                  1
 395#define ACPI_PIN_CONFIG_PULLDOWN                2
 396#define ACPI_PIN_CONFIG_NOPULL                  3
 397
 398/* Values for io_restriction field above */
 399
 400#define ACPI_IO_RESTRICT_NONE                   0
 401#define ACPI_IO_RESTRICT_INPUT                  1
 402#define ACPI_IO_RESTRICT_OUTPUT                 2
 403#define ACPI_IO_RESTRICT_NONE_PRESERVE          3
 404
 405/* Common structure for I2C, SPI, and UART serial descriptors */
 406
 407#define ACPI_RESOURCE_SERIAL_COMMON \
 408        u8                                      revision_id; \
 409        u8                                      type; \
 410        u8                                      producer_consumer;   /* For values, see Producer/Consumer above */\
 411        u8                                      slave_mode; \
 412        u8                                      type_revision_id; \
 413        u16                                     type_data_length; \
 414        u16                                     vendor_length; \
 415        struct acpi_resource_source             resource_source; \
 416        u8                                      *vendor_data;
 417
 418struct acpi_resource_common_serialbus {
 419ACPI_RESOURCE_SERIAL_COMMON};
 420
 421/* Values for the Type field above */
 422
 423#define ACPI_RESOURCE_SERIAL_TYPE_I2C           1
 424#define ACPI_RESOURCE_SERIAL_TYPE_SPI           2
 425#define ACPI_RESOURCE_SERIAL_TYPE_UART          3
 426
 427/* Values for slave_mode field above */
 428
 429#define ACPI_CONTROLLER_INITIATED               0
 430#define ACPI_DEVICE_INITIATED                   1
 431
 432struct acpi_resource_i2c_serialbus {
 433        ACPI_RESOURCE_SERIAL_COMMON u8 access_mode;
 434        u16 slave_address;
 435        u32 connection_speed;
 436};
 437
 438/* Values for access_mode field above */
 439
 440#define ACPI_I2C_7BIT_MODE                      0
 441#define ACPI_I2C_10BIT_MODE                     1
 442
 443struct acpi_resource_spi_serialbus {
 444        ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode;
 445        u8 device_polarity;
 446        u8 data_bit_length;
 447        u8 clock_phase;
 448        u8 clock_polarity;
 449        u16 device_selection;
 450        u32 connection_speed;
 451};
 452
 453/* Values for wire_mode field above */
 454
 455#define ACPI_SPI_4WIRE_MODE                     0
 456#define ACPI_SPI_3WIRE_MODE                     1
 457
 458/* Values for device_polarity field above */
 459
 460#define ACPI_SPI_ACTIVE_LOW                     0
 461#define ACPI_SPI_ACTIVE_HIGH                    1
 462
 463/* Values for clock_phase field above */
 464
 465#define ACPI_SPI_FIRST_PHASE                    0
 466#define ACPI_SPI_SECOND_PHASE                   1
 467
 468/* Values for clock_polarity field above */
 469
 470#define ACPI_SPI_START_LOW                      0
 471#define ACPI_SPI_START_HIGH                     1
 472
 473struct acpi_resource_uart_serialbus {
 474        ACPI_RESOURCE_SERIAL_COMMON u8 endian;
 475        u8 data_bits;
 476        u8 stop_bits;
 477        u8 flow_control;
 478        u8 parity;
 479        u8 lines_enabled;
 480        u16 rx_fifo_size;
 481        u16 tx_fifo_size;
 482        u32 default_baud_rate;
 483};
 484
 485/* Values for Endian field above */
 486
 487#define ACPI_UART_LITTLE_ENDIAN                 0
 488#define ACPI_UART_BIG_ENDIAN                    1
 489
 490/* Values for data_bits field above */
 491
 492#define ACPI_UART_5_DATA_BITS                   0
 493#define ACPI_UART_6_DATA_BITS                   1
 494#define ACPI_UART_7_DATA_BITS                   2
 495#define ACPI_UART_8_DATA_BITS                   3
 496#define ACPI_UART_9_DATA_BITS                   4
 497
 498/* Values for stop_bits field above */
 499
 500#define ACPI_UART_NO_STOP_BITS                  0
 501#define ACPI_UART_1_STOP_BIT                    1
 502#define ACPI_UART_1P5_STOP_BITS                 2
 503#define ACPI_UART_2_STOP_BITS                   3
 504
 505/* Values for flow_control field above */
 506
 507#define ACPI_UART_FLOW_CONTROL_NONE             0
 508#define ACPI_UART_FLOW_CONTROL_HW               1
 509#define ACPI_UART_FLOW_CONTROL_XON_XOFF         2
 510
 511/* Values for Parity field above */
 512
 513#define ACPI_UART_PARITY_NONE                   0
 514#define ACPI_UART_PARITY_EVEN                   1
 515#define ACPI_UART_PARITY_ODD                    2
 516#define ACPI_UART_PARITY_MARK                   3
 517#define ACPI_UART_PARITY_SPACE                  4
 518
 519/* Values for lines_enabled bitfield above */
 520
 521#define ACPI_UART_CARRIER_DETECT                (1<<2)
 522#define ACPI_UART_RING_INDICATOR                (1<<3)
 523#define ACPI_UART_DATA_SET_READY                (1<<4)
 524#define ACPI_UART_DATA_TERMINAL_READY           (1<<5)
 525#define ACPI_UART_CLEAR_TO_SEND                 (1<<6)
 526#define ACPI_UART_REQUEST_TO_SEND               (1<<7)
 527
 528/* ACPI_RESOURCE_TYPEs */
 529
 530#define ACPI_RESOURCE_TYPE_IRQ                  0
 531#define ACPI_RESOURCE_TYPE_DMA                  1
 532#define ACPI_RESOURCE_TYPE_START_DEPENDENT      2
 533#define ACPI_RESOURCE_TYPE_END_DEPENDENT        3
 534#define ACPI_RESOURCE_TYPE_IO                   4
 535#define ACPI_RESOURCE_TYPE_FIXED_IO             5
 536#define ACPI_RESOURCE_TYPE_VENDOR               6
 537#define ACPI_RESOURCE_TYPE_END_TAG              7
 538#define ACPI_RESOURCE_TYPE_MEMORY24             8
 539#define ACPI_RESOURCE_TYPE_MEMORY32             9
 540#define ACPI_RESOURCE_TYPE_FIXED_MEMORY32       10
 541#define ACPI_RESOURCE_TYPE_ADDRESS16            11
 542#define ACPI_RESOURCE_TYPE_ADDRESS32            12
 543#define ACPI_RESOURCE_TYPE_ADDRESS64            13
 544#define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14      /* ACPI 3.0 */
 545#define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
 546#define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
 547#define ACPI_RESOURCE_TYPE_GPIO                 17      /* ACPI 5.0 */
 548#define ACPI_RESOURCE_TYPE_FIXED_DMA            18      /* ACPI 5.0 */
 549#define ACPI_RESOURCE_TYPE_SERIAL_BUS           19      /* ACPI 5.0 */
 550#define ACPI_RESOURCE_TYPE_MAX                  19
 551
 552/* Master union for resource descriptors */
 553
 554union acpi_resource_data {
 555        struct acpi_resource_irq irq;
 556        struct acpi_resource_dma dma;
 557        struct acpi_resource_start_dependent start_dpf;
 558        struct acpi_resource_io io;
 559        struct acpi_resource_fixed_io fixed_io;
 560        struct acpi_resource_fixed_dma fixed_dma;
 561        struct acpi_resource_vendor vendor;
 562        struct acpi_resource_vendor_typed vendor_typed;
 563        struct acpi_resource_end_tag end_tag;
 564        struct acpi_resource_memory24 memory24;
 565        struct acpi_resource_memory32 memory32;
 566        struct acpi_resource_fixed_memory32 fixed_memory32;
 567        struct acpi_resource_address16 address16;
 568        struct acpi_resource_address32 address32;
 569        struct acpi_resource_address64 address64;
 570        struct acpi_resource_extended_address64 ext_address64;
 571        struct acpi_resource_extended_irq extended_irq;
 572        struct acpi_resource_generic_register generic_reg;
 573        struct acpi_resource_gpio gpio;
 574        struct acpi_resource_i2c_serialbus i2c_serial_bus;
 575        struct acpi_resource_spi_serialbus spi_serial_bus;
 576        struct acpi_resource_uart_serialbus uart_serial_bus;
 577        struct acpi_resource_common_serialbus common_serial_bus;
 578
 579        /* Common fields */
 580
 581        struct acpi_resource_address address;   /* Common 16/32/64 address fields */
 582};
 583
 584/* Common resource header */
 585
 586struct acpi_resource {
 587        u32 type;
 588        u32 length;
 589        union acpi_resource_data data;
 590};
 591
 592/* restore default alignment */
 593
 594#pragma pack()
 595
 596#define ACPI_RS_SIZE_NO_DATA                8   /* Id + Length fields */
 597#define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
 598#define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
 599
 600/* Macro for walking resource templates with multiple descriptors */
 601
 602#define ACPI_NEXT_RESOURCE(res) \
 603        ACPI_ADD_PTR (struct acpi_resource, (res), (res)->length)
 604
 605struct acpi_pci_routing_table {
 606        u32 length;
 607        u32 pin;
 608        u64 address;            /* here for 64-bit alignment */
 609        u32 source_index;
 610        char source[4];         /* pad to 64 bits so sizeof() works in all cases */
 611};
 612
 613#endif                          /* __ACRESTYP_H__ */
 614