include/acpi/acrestyp.h

   1 /******************************************************************************
   2  *
   3  * Name: acrestyp.h - Defines, types, and structures for resource descriptors
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2011, 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  */
  50 typedef u16 acpi_rs_length;     /* Resource Length field is fixed at 16 bits */
  51 typedef u32 acpi_rsdesc_size;   /* Max Resource Descriptor size is (Length+3) = (64_k-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 /*
  65  * IO Attributes
  66  * The ISA IO ranges are:     n000-n0_fFh, n400-n4_fFh, n800-n8_fFh, n_c00-n_cFFh.
  67  * The non-ISA IO ranges are: n100-n3_fFh, n500-n7_fFh, n900-n_bFFh, n_cd0-n_fFFh.
  68  */
  69 #define ACPI_NON_ISA_ONLY_RANGES        (u8) 0x01
  70 #define ACPI_ISA_ONLY_RANGES            (u8) 0x02
  71 #define ACPI_ENTIRE_RANGE               (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
  72
  73 /* Type of translation - 1=Sparse, 0=Dense */
  74
  75 #define ACPI_SPARSE_TRANSLATION         (u8) 0x01
  76
  77 /*
  78  * IO Port Descriptor Decode
  79  */
  80 #define ACPI_DECODE_10                  (u8) 0x00       /* 10-bit IO address decode */
  81 #define ACPI_DECODE_16                  (u8) 0x01       /* 16-bit IO address decode */
  82
  83 /*
  84  * IRQ Attributes
  85  */
  86 #define ACPI_LEVEL_SENSITIVE            (u8) 0x00
  87 #define ACPI_EDGE_SENSITIVE             (u8) 0x01
  88
  89 #define ACPI_ACTIVE_HIGH                (u8) 0x00
  90 #define ACPI_ACTIVE_LOW                 (u8) 0x01
  91
  92 #define ACPI_EXCLUSIVE                  (u8) 0x00
  93 #define ACPI_SHARED                     (u8) 0x01
  94
  95 /*
  96  * DMA Attributes
  97  */
  98 #define ACPI_COMPATIBILITY              (u8) 0x00
  99 #define ACPI_TYPE_A                     (u8) 0x01
 100 #define ACPI_TYPE_B                     (u8) 0x02
 101 #define ACPI_TYPE_F                     (u8) 0x03
 102
 103 #define ACPI_NOT_BUS_MASTER             (u8) 0x00
 104 #define ACPI_BUS_MASTER                 (u8) 0x01
 105
 106 #define ACPI_TRANSFER_8                 (u8) 0x00
 107 #define ACPI_TRANSFER_8_16              (u8) 0x01
 108 #define ACPI_TRANSFER_16                (u8) 0x02
 109
 110 /*
 111  * Start Dependent Functions Priority definitions
 112  */
 113 #define ACPI_GOOD_CONFIGURATION         (u8) 0x00
 114 #define ACPI_ACCEPTABLE_CONFIGURATION   (u8) 0x01
 115 #define ACPI_SUB_OPTIMAL_CONFIGURATION  (u8) 0x02
 116
 117 /*
 118  * 16, 32 and 64-bit Address Descriptor resource types
 119  */
 120 #define ACPI_MEMORY_RANGE               (u8) 0x00
 121 #define ACPI_IO_RANGE                   (u8) 0x01
 122 #define ACPI_BUS_NUMBER_RANGE           (u8) 0x02
 123
 124 #define ACPI_ADDRESS_NOT_FIXED          (u8) 0x00
 125 #define ACPI_ADDRESS_FIXED              (u8) 0x01
 126
 127 #define ACPI_POS_DECODE                 (u8) 0x00
 128 #define ACPI_SUB_DECODE                 (u8) 0x01
 129
 130 #define ACPI_PRODUCER                   (u8) 0x00
 131 #define ACPI_CONSUMER                   (u8) 0x01
 132
 133 /*
 134  * If possible, pack the following structures to byte alignment
 135  */
 136 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
 137 #pragma pack(1)
 138 #endif
 139
 140 /* UUID data structures for use in vendor-defined resource descriptors */
 141
 142 struct acpi_uuid {
 143         u8 data[ACPI_UUID_LENGTH];
 144 };
 145
 146 struct acpi_vendor_uuid {
 147         u8 subtype;
 148         u8 data[ACPI_UUID_LENGTH];
 149 };
 150
 151 /*
 152  * Structures used to describe device resources
 153  */
 154 struct acpi_resource_irq {
 155         u8 descriptor_length;
 156         u8 triggering;
 157         u8 polarity;
 158         u8 sharable;
 159         u8 interrupt_count;
 160         u8 interrupts[1];
 161 };
 162
 163 struct acpi_resource_dma {
 164         u8 type;
 165         u8 bus_master;
 166         u8 transfer;
 167         u8 channel_count;
 168         u8 channels[1];
 169 };
 170
 171 struct acpi_resource_start_dependent {
 172         u8 descriptor_length;
 173         u8 compatibility_priority;
 174         u8 performance_robustness;
 175 };
 176
 177 /*
 178  * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
 179  * needed because it has no fields
 180  */
 181
 182 struct acpi_resource_io {
 183         u8 io_decode;
 184         u8 alignment;
 185         u8 address_length;
 186         u16 minimum;
 187         u16 maximum;
 188 };
 189
 190 struct acpi_resource_fixed_io {
 191         u16 address;
 192         u8 address_length;
 193 };
 194
 195 struct acpi_resource_vendor {
 196         u16 byte_length;
 197         u8 byte_data[1];
 198 };
 199
 200 /* Vendor resource with UUID info (introduced in ACPI 3.0) */
 201
 202 struct acpi_resource_vendor_typed {
 203         u16 byte_length;
 204         u8 uuid_subtype;
 205         u8 uuid[ACPI_UUID_LENGTH];
 206         u8 byte_data[1];
 207 };
 208
 209 struct acpi_resource_end_tag {
 210         u8 checksum;
 211 };
 212
 213 struct acpi_resource_memory24 {
 214         u8 write_protect;
 215         u16 minimum;
 216         u16 maximum;
 217         u16 alignment;
 218         u16 address_length;
 219 };
 220
 221 struct acpi_resource_memory32 {
 222         u8 write_protect;
 223         u32 minimum;
 224         u32 maximum;
 225         u32 alignment;
 226         u32 address_length;
 227 };
 228
 229 struct acpi_resource_fixed_memory32 {
 230         u8 write_protect;
 231         u32 address;
 232         u32 address_length;
 233 };
 234
 235 struct acpi_memory_attribute {
 236         u8 write_protect;
 237         u8 caching;
 238         u8 range_type;
 239         u8 translation;
 240 };
 241
 242 struct acpi_io_attribute {
 243         u8 range_type;
 244         u8 translation;
 245         u8 translation_type;
 246         u8 reserved1;
 247 };
 248
 249 union acpi_resource_attribute {
 250         struct acpi_memory_attribute mem;
 251         struct acpi_io_attribute io;
 252
 253         /* Used for the *word_space macros */
 254
 255         u8 type_specific;
 256 };
 257
 258 struct acpi_resource_source {
 259         u8 index;
 260         u16 string_length;
 261         char *string_ptr;
 262 };
 263
 264 /* Fields common to all address descriptors, 16/32/64 bit */
 265
 266 #define ACPI_RESOURCE_ADDRESS_COMMON \
 267         u8                                      resource_type; \
 268         u8                                      producer_consumer; \
 269         u8                                      decode; \
 270         u8                                      min_address_fixed; \
 271         u8                                      max_address_fixed; \
 272         union acpi_resource_attribute           info;
 273
 274 struct acpi_resource_address {
 275 ACPI_RESOURCE_ADDRESS_COMMON};
 276
 277 struct acpi_resource_address16 {
 278         ACPI_RESOURCE_ADDRESS_COMMON u16 granularity;
 279         u16 minimum;
 280         u16 maximum;
 281         u16 translation_offset;
 282         u16 address_length;
 283         struct acpi_resource_source resource_source;
 284 };
 285
 286 struct acpi_resource_address32 {
 287         ACPI_RESOURCE_ADDRESS_COMMON u32 granularity;
 288         u32 minimum;
 289         u32 maximum;
 290         u32 translation_offset;
 291         u32 address_length;
 292         struct acpi_resource_source resource_source;
 293 };
 294
 295 struct acpi_resource_address64 {
 296         ACPI_RESOURCE_ADDRESS_COMMON u64 granularity;
 297         u64 minimum;
 298         u64 maximum;
 299         u64 translation_offset;
 300         u64 address_length;
 301         struct acpi_resource_source resource_source;
 302 };
 303
 304 struct acpi_resource_extended_address64 {
 305         ACPI_RESOURCE_ADDRESS_COMMON u8 revision_iD;
 306         u64 granularity;
 307         u64 minimum;
 308         u64 maximum;
 309         u64 translation_offset;
 310         u64 address_length;
 311         u64 type_specific;
 312 };
 313
 314 struct acpi_resource_extended_irq {
 315         u8 producer_consumer;
 316         u8 triggering;
 317         u8 polarity;
 318         u8 sharable;
 319         u8 interrupt_count;
 320         struct acpi_resource_source resource_source;
 321         u32 interrupts[1];
 322 };
 323
 324 struct acpi_resource_generic_register {
 325         u8 space_id;
 326         u8 bit_width;
 327         u8 bit_offset;
 328         u8 access_size;
 329         u64 address;
 330 };
 331
 332 /* ACPI_RESOURCE_TYPEs */
 333
 334 #define ACPI_RESOURCE_TYPE_IRQ                  0
 335 #define ACPI_RESOURCE_TYPE_DMA                  1
 336 #define ACPI_RESOURCE_TYPE_START_DEPENDENT      2
 337 #define ACPI_RESOURCE_TYPE_END_DEPENDENT        3
 338 #define ACPI_RESOURCE_TYPE_IO                   4
 339 #define ACPI_RESOURCE_TYPE_FIXED_IO             5
 340 #define ACPI_RESOURCE_TYPE_VENDOR               6
 341 #define ACPI_RESOURCE_TYPE_END_TAG              7
 342 #define ACPI_RESOURCE_TYPE_MEMORY24             8
 343 #define ACPI_RESOURCE_TYPE_MEMORY32             9
 344 #define ACPI_RESOURCE_TYPE_FIXED_MEMORY32       10
 345 #define ACPI_RESOURCE_TYPE_ADDRESS16            11
 346 #define ACPI_RESOURCE_TYPE_ADDRESS32            12
 347 #define ACPI_RESOURCE_TYPE_ADDRESS64            13
 348 #define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14      /* ACPI 3.0 */
 349 #define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
 350 #define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
 351 #define ACPI_RESOURCE_TYPE_MAX                  16
 352
 353 /* Master union for resource descriptors */
 354
 355 union acpi_resource_data {
 356         struct acpi_resource_irq irq;
 357         struct acpi_resource_dma dma;
 358         struct acpi_resource_start_dependent start_dpf;
 359         struct acpi_resource_io io;
 360         struct acpi_resource_fixed_io fixed_io;
 361         struct acpi_resource_vendor vendor;
 362         struct acpi_resource_vendor_typed vendor_typed;
 363         struct acpi_resource_end_tag end_tag;
 364         struct acpi_resource_memory24 memory24;
 365         struct acpi_resource_memory32 memory32;
 366         struct acpi_resource_fixed_memory32 fixed_memory32;
 367         struct acpi_resource_address16 address16;
 368         struct acpi_resource_address32 address32;
 369         struct acpi_resource_address64 address64;
 370         struct acpi_resource_extended_address64 ext_address64;
 371         struct acpi_resource_extended_irq extended_irq;
 372         struct acpi_resource_generic_register generic_reg;
 373
 374         /* Common fields */
 375
 376         struct acpi_resource_address address;   /* Common 16/32/64 address fields */
 377 };
 378
 379 /* Common resource header */
 380
 381 struct acpi_resource {
 382         u32 type;
 383         u32 length;
 384         union acpi_resource_data data;
 385 };
 386
 387 /* restore default alignment */
 388
 389 #pragma pack()
 390
 391 #define ACPI_RS_SIZE_NO_DATA                8   /* Id + Length fields */
 392 #define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
 393 #define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
 394
 395 #define ACPI_NEXT_RESOURCE(res)             (struct acpi_resource *)((u8 *) res + res->length)
 396
 397 struct acpi_pci_routing_table {
 398         u32 length;
 399         u32 pin;
 400         u64 address;            /* here for 64-bit alignment */
 401         u32 source_index;
 402         char source[4];         /* pad to 64 bits so sizeof() works in all cases */
 403 };
 404
 405 #endif                          /* __ACRESTYP_H__ */