1 /****************************************************************************** 2 * 3 * Name: acrestyp.h - Defines, types, and structures for resource descriptors 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2012, 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) = (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 #define ACPI_EXCLUSIVE_AND_WAKE (u8) 0x02 106 #define ACPI_SHARED_AND_WAKE (u8) 0x03 107 108 /* 109 * DMA Attributes 110 */ 111 #define ACPI_COMPATIBILITY (u8) 0x00 112 #define ACPI_TYPE_A (u8) 0x01 113 #define ACPI_TYPE_B (u8) 0x02 114 #define ACPI_TYPE_F (u8) 0x03 115 116 #define ACPI_NOT_BUS_MASTER (u8) 0x00 117 #define ACPI_BUS_MASTER (u8) 0x01 118 119 #define ACPI_TRANSFER_8 (u8) 0x00 120 #define ACPI_TRANSFER_8_16 (u8) 0x01 121 #define ACPI_TRANSFER_16 (u8) 0x02 122 123 /* 124 * Start Dependent Functions Priority definitions 125 */ 126 #define ACPI_GOOD_CONFIGURATION (u8) 0x00 127 #define ACPI_ACCEPTABLE_CONFIGURATION (u8) 0x01 128 #define ACPI_SUB_OPTIMAL_CONFIGURATION (u8) 0x02 129 130 /* 131 * 16, 32 and 64-bit Address Descriptor resource types 132 */ 133 #define ACPI_MEMORY_RANGE (u8) 0x00 134 #define ACPI_IO_RANGE (u8) 0x01 135 #define ACPI_BUS_NUMBER_RANGE (u8) 0x02 136 137 #define ACPI_ADDRESS_NOT_FIXED (u8) 0x00 138 #define ACPI_ADDRESS_FIXED (u8) 0x01 139 140 #define ACPI_POS_DECODE (u8) 0x00 141 #define ACPI_SUB_DECODE (u8) 0x01 142 143 /* Producer/Consumer */ 144 145 #define ACPI_PRODUCER (u8) 0x00 146 #define ACPI_CONSUMER (u8) 0x01 147 148 /* 149 * If possible, pack the following structures to byte alignment 150 */ 151 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED 152 #pragma pack(1) 153 #endif 154 155 /* UUID data structures for use in vendor-defined resource descriptors */ 156 157 struct acpi_uuid { 158 u8 data[ACPI_UUID_LENGTH]; 159 }; 160 161 struct acpi_vendor_uuid { 162 u8 subtype; 163 u8 data[ACPI_UUID_LENGTH]; 164 }; 165 166 /* 167 * Structures used to describe device resources 168 */ 169 struct acpi_resource_irq { 170 u8 descriptor_length; 171 u8 triggering; 172 u8 polarity; 173 u8 sharable; 174 u8 interrupt_count; 175 u8 interrupts[1]; 176 }; 177 178 struct acpi_resource_dma { 179 u8 type; 180 u8 bus_master; 181 u8 transfer; 182 u8 channel_count; 183 u8 channels[1]; 184 }; 185 186 struct acpi_resource_start_dependent { 187 u8 descriptor_length; 188 u8 compatibility_priority; 189 u8 performance_robustness; 190 }; 191 192 /* 193 * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not 194 * needed because it has no fields 195 */ 196 197 struct acpi_resource_io { 198 u8 io_decode; 199 u8 alignment; 200 u8 address_length; 201 u16 minimum; 202 u16 maximum; 203 }; 204 205 struct acpi_resource_fixed_io { 206 u16 address; 207 u8 address_length; 208 }; 209 210 struct acpi_resource_fixed_dma { 211 u16 request_lines; 212 u16 channels; 213 u8 width; 214 }; 215 216 /* Values for Width field above */ 217 218 #define ACPI_DMA_WIDTH8 0 219 #define ACPI_DMA_WIDTH16 1 220 #define ACPI_DMA_WIDTH32 2 221 #define ACPI_DMA_WIDTH64 3 222 #define ACPI_DMA_WIDTH128 4 223 #define ACPI_DMA_WIDTH256 5 224 225 struct acpi_resource_vendor { 226 u16 byte_length; 227 u8 byte_data[1]; 228 }; 229 230 /* Vendor resource with UUID info (introduced in ACPI 3.0) */ 231 232 struct acpi_resource_vendor_typed { 233 u16 byte_length; 234 u8 uuid_subtype; 235 u8 uuid[ACPI_UUID_LENGTH]; 236 u8 byte_data[1]; 237 }; 238 239 struct acpi_resource_end_tag { 240 u8 checksum; 241 }; 242 243 struct acpi_resource_memory24 { 244 u8 write_protect; 245 u16 minimum; 246 u16 maximum; 247 u16 alignment; 248 u16 address_length; 249 }; 250 251 struct acpi_resource_memory32 { 252 u8 write_protect; 253 u32 minimum; 254 u32 maximum; 255 u32 alignment; 256 u32 address_length; 257 }; 258 259 struct acpi_resource_fixed_memory32 { 260 u8 write_protect; 261 u32 address; 262 u32 address_length; 263 }; 264 265 struct acpi_memory_attribute { 266 u8 write_protect; 267 u8 caching; 268 u8 range_type; 269 u8 translation; 270 }; 271 272 struct acpi_io_attribute { 273 u8 range_type; 274 u8 translation; 275 u8 translation_type; 276 u8 reserved1; 277 }; 278 279 union acpi_resource_attribute { 280 struct acpi_memory_attribute mem; 281 struct acpi_io_attribute io; 282 283 /* Used for the *word_space macros */ 284 285 u8 type_specific; 286 }; 287 288 struct acpi_resource_source { 289 u8 index; 290 u16 string_length; 291 char *string_ptr; 292 }; 293 294 /* Fields common to all address descriptors, 16/32/64 bit */ 295 296 #define ACPI_RESOURCE_ADDRESS_COMMON \ 297 u8 resource_type; \ 298 u8 producer_consumer; \ 299 u8 decode; \ 300 u8 min_address_fixed; \ 301 u8 max_address_fixed; \ 302 union acpi_resource_attribute info; 303 304 struct acpi_resource_address { 305 ACPI_RESOURCE_ADDRESS_COMMON}; 306 307 struct acpi_resource_address16 { 308 ACPI_RESOURCE_ADDRESS_COMMON u16 granularity; 309 u16 minimum; 310 u16 maximum; 311 u16 translation_offset; 312 u16 address_length; 313 struct acpi_resource_source resource_source; 314 }; 315 316 struct acpi_resource_address32 { 317 ACPI_RESOURCE_ADDRESS_COMMON u32 granularity; 318 u32 minimum; 319 u32 maximum; 320 u32 translation_offset; 321 u32 address_length; 322 struct acpi_resource_source resource_source; 323 }; 324 325 struct acpi_resource_address64 { 326 ACPI_RESOURCE_ADDRESS_COMMON u64 granularity; 327 u64 minimum; 328 u64 maximum; 329 u64 translation_offset; 330 u64 address_length; 331 struct acpi_resource_source resource_source; 332 }; 333 334 struct acpi_resource_extended_address64 { 335 ACPI_RESOURCE_ADDRESS_COMMON u8 revision_ID; 336 u64 granularity; 337 u64 minimum; 338 u64 maximum; 339 u64 translation_offset; 340 u64 address_length; 341 u64 type_specific; 342 }; 343 344 struct acpi_resource_extended_irq { 345 u8 producer_consumer; 346 u8 triggering; 347 u8 polarity; 348 u8 sharable; 349 u8 interrupt_count; 350 struct acpi_resource_source resource_source; 351 u32 interrupts[1]; 352 }; 353 354 struct acpi_resource_generic_register { 355 u8 space_id; 356 u8 bit_width; 357 u8 bit_offset; 358 u8 access_size; 359 u64 address; 360 }; 361 362 struct acpi_resource_gpio { 363 u8 revision_id; 364 u8 connection_type; 365 u8 producer_consumer; /* For values, see Producer/Consumer above */ 366 u8 pin_config; 367 u8 sharable; /* For values, see Interrupt Attributes above */ 368 u8 io_restriction; 369 u8 triggering; /* For values, see Interrupt Attributes above */ 370 u8 polarity; /* For values, see Interrupt Attributes above */ 371 u16 drive_strength; 372 u16 debounce_timeout; 373 u16 pin_table_length; 374 u16 vendor_length; 375 struct acpi_resource_source resource_source; 376 u16 *pin_table; 377 u8 *vendor_data; 378 }; 379 380 /* Values for GPIO connection_type field above */ 381 382 #define ACPI_RESOURCE_GPIO_TYPE_INT 0 383 #define ACPI_RESOURCE_GPIO_TYPE_IO 1 384 385 /* Values for pin_config field above */ 386 387 #define ACPI_PIN_CONFIG_DEFAULT 0 388 #define ACPI_PIN_CONFIG_PULLUP 1 389 #define ACPI_PIN_CONFIG_PULLDOWN 2 390 #define ACPI_PIN_CONFIG_NOPULL 3 391 392 /* Values for io_restriction field above */ 393 394 #define ACPI_IO_RESTRICT_NONE 0 395 #define ACPI_IO_RESTRICT_INPUT 1 396 #define ACPI_IO_RESTRICT_OUTPUT 2 397 #define ACPI_IO_RESTRICT_NONE_PRESERVE 3 398 399 /* Common structure for I2C, SPI, and UART serial descriptors */ 400 401 #define ACPI_RESOURCE_SERIAL_COMMON \ 402 u8 revision_id; \ 403 u8 type; \ 404 u8 producer_consumer; /* For values, see Producer/Consumer above */\ 405 u8 slave_mode; \ 406 u8 type_revision_id; \ 407 u16 type_data_length; \ 408 u16 vendor_length; \ 409 struct acpi_resource_source resource_source; \ 410 u8 *vendor_data; 411 412 struct acpi_resource_common_serialbus { 413 ACPI_RESOURCE_SERIAL_COMMON}; 414 415 /* Values for the Type field above */ 416 417 #define ACPI_RESOURCE_SERIAL_TYPE_I2C 1 418 #define ACPI_RESOURCE_SERIAL_TYPE_SPI 2 419 #define ACPI_RESOURCE_SERIAL_TYPE_UART 3 420 421 /* Values for slave_mode field above */ 422 423 #define ACPI_CONTROLLER_INITIATED 0 424 #define ACPI_DEVICE_INITIATED 1 425 426 struct acpi_resource_i2c_serialbus { 427 ACPI_RESOURCE_SERIAL_COMMON u8 access_mode; 428 u16 slave_address; 429 u32 connection_speed; 430 }; 431 432 /* Values for access_mode field above */ 433 434 #define ACPI_I2C_7BIT_MODE 0 435 #define ACPI_I2C_10BIT_MODE 1 436 437 struct acpi_resource_spi_serialbus { 438 ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode; 439 u8 device_polarity; 440 u8 data_bit_length; 441 u8 clock_phase; 442 u8 clock_polarity; 443 u16 device_selection; 444 u32 connection_speed; 445 }; 446 447 /* Values for wire_mode field above */ 448 449 #define ACPI_SPI_4WIRE_MODE 0 450 #define ACPI_SPI_3WIRE_MODE 1 451 452 /* Values for device_polarity field above */ 453 454 #define ACPI_SPI_ACTIVE_LOW 0 455 #define ACPI_SPI_ACTIVE_HIGH 1 456 457 /* Values for clock_phase field above */ 458 459 #define ACPI_SPI_FIRST_PHASE 0 460 #define ACPI_SPI_SECOND_PHASE 1 461 462 /* Values for clock_polarity field above */ 463 464 #define ACPI_SPI_START_LOW 0 465 #define ACPI_SPI_START_HIGH 1 466 467 struct acpi_resource_uart_serialbus { 468 ACPI_RESOURCE_SERIAL_COMMON u8 endian; 469 u8 data_bits; 470 u8 stop_bits; 471 u8 flow_control; 472 u8 parity; 473 u8 lines_enabled; 474 u16 rx_fifo_size; 475 u16 tx_fifo_size; 476 u32 default_baud_rate; 477 }; 478 479 /* Values for Endian field above */ 480 481 #define ACPI_UART_LITTLE_ENDIAN 0 482 #define ACPI_UART_BIG_ENDIAN 1 483 484 /* Values for data_bits field above */ 485 486 #define ACPI_UART_5_DATA_BITS 0 487 #define ACPI_UART_6_DATA_BITS 1 488 #define ACPI_UART_7_DATA_BITS 2 489 #define ACPI_UART_8_DATA_BITS 3 490 #define ACPI_UART_9_DATA_BITS 4 491 492 /* Values for stop_bits field above */ 493 494 #define ACPI_UART_NO_STOP_BITS 0 495 #define ACPI_UART_1_STOP_BIT 1 496 #define ACPI_UART_1P5_STOP_BITS 2 497 #define ACPI_UART_2_STOP_BITS 3 498 499 /* Values for flow_control field above */ 500 501 #define ACPI_UART_FLOW_CONTROL_NONE 0 502 #define ACPI_UART_FLOW_CONTROL_HW 1 503 #define ACPI_UART_FLOW_CONTROL_XON_XOFF 2 504 505 /* Values for Parity field above */ 506 507 #define ACPI_UART_PARITY_NONE 0 508 #define ACPI_UART_PARITY_EVEN 1 509 #define ACPI_UART_PARITY_ODD 2 510 #define ACPI_UART_PARITY_MARK 3 511 #define ACPI_UART_PARITY_SPACE 4 512 513 /* Values for lines_enabled bitfield above */ 514 515 #define ACPI_UART_CARRIER_DETECT (1<<2) 516 #define ACPI_UART_RING_INDICATOR (1<<3) 517 #define ACPI_UART_DATA_SET_READY (1<<4) 518 #define ACPI_UART_DATA_TERMINAL_READY (1<<5) 519 #define ACPI_UART_CLEAR_TO_SEND (1<<6) 520 #define ACPI_UART_REQUEST_TO_SEND (1<<7) 521 522 /* ACPI_RESOURCE_TYPEs */ 523 524 #define ACPI_RESOURCE_TYPE_IRQ 0 525 #define ACPI_RESOURCE_TYPE_DMA 1 526 #define ACPI_RESOURCE_TYPE_START_DEPENDENT 2 527 #define ACPI_RESOURCE_TYPE_END_DEPENDENT 3 528 #define ACPI_RESOURCE_TYPE_IO 4 529 #define ACPI_RESOURCE_TYPE_FIXED_IO 5 530 #define ACPI_RESOURCE_TYPE_VENDOR 6 531 #define ACPI_RESOURCE_TYPE_END_TAG 7 532 #define ACPI_RESOURCE_TYPE_MEMORY24 8 533 #define ACPI_RESOURCE_TYPE_MEMORY32 9 534 #define ACPI_RESOURCE_TYPE_FIXED_MEMORY32 10 535 #define ACPI_RESOURCE_TYPE_ADDRESS16 11 536 #define ACPI_RESOURCE_TYPE_ADDRESS32 12 537 #define ACPI_RESOURCE_TYPE_ADDRESS64 13 538 #define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 14 /* ACPI 3.0 */ 539 #define ACPI_RESOURCE_TYPE_EXTENDED_IRQ 15 540 #define ACPI_RESOURCE_TYPE_GENERIC_REGISTER 16 541 #define ACPI_RESOURCE_TYPE_GPIO 17 /* ACPI 5.0 */ 542 #define ACPI_RESOURCE_TYPE_FIXED_DMA 18 /* ACPI 5.0 */ 543 #define ACPI_RESOURCE_TYPE_SERIAL_BUS 19 /* ACPI 5.0 */ 544 #define ACPI_RESOURCE_TYPE_MAX 19 545 546 /* Master union for resource descriptors */ 547 548 union acpi_resource_data { 549 struct acpi_resource_irq irq; 550 struct acpi_resource_dma dma; 551 struct acpi_resource_start_dependent start_dpf; 552 struct acpi_resource_io io; 553 struct acpi_resource_fixed_io fixed_io; 554 struct acpi_resource_fixed_dma fixed_dma; 555 struct acpi_resource_vendor vendor; 556 struct acpi_resource_vendor_typed vendor_typed; 557 struct acpi_resource_end_tag end_tag; 558 struct acpi_resource_memory24 memory24; 559 struct acpi_resource_memory32 memory32; 560 struct acpi_resource_fixed_memory32 fixed_memory32; 561 struct acpi_resource_address16 address16; 562 struct acpi_resource_address32 address32; 563 struct acpi_resource_address64 address64; 564 struct acpi_resource_extended_address64 ext_address64; 565 struct acpi_resource_extended_irq extended_irq; 566 struct acpi_resource_generic_register generic_reg; 567 struct acpi_resource_gpio gpio; 568 struct acpi_resource_i2c_serialbus i2c_serial_bus; 569 struct acpi_resource_spi_serialbus spi_serial_bus; 570 struct acpi_resource_uart_serialbus uart_serial_bus; 571 struct acpi_resource_common_serialbus common_serial_bus; 572 573 /* Common fields */ 574 575 struct acpi_resource_address address; /* Common 16/32/64 address fields */ 576 }; 577 578 /* Common resource header */ 579 580 struct acpi_resource { 581 u32 type; 582 u32 length; 583 union acpi_resource_data data; 584 }; 585 586 /* restore default alignment */ 587 588 #pragma pack() 589 590 #define ACPI_RS_SIZE_NO_DATA 8 /* Id + Length fields */ 591 #define ACPI_RS_SIZE_MIN (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12) 592 #define ACPI_RS_SIZE(type) (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type)) 593 594 #define ACPI_NEXT_RESOURCE(res) (struct acpi_resource *)((u8 *) res + res->length) 595 596 struct acpi_pci_routing_table { 597 u32 length; 598 u32 pin; 599 u64 address; /* here for 64-bit alignment */ 600 u32 source_index; 601 char source[4]; /* pad to 64 bits so sizeof() works in all cases */ 602 }; 603 604 #endif /* __ACRESTYP_H__ */ 605