xref: /openbmc/linux/include/acpi/acrestyp.h (revision 15b7cc78)
1 /******************************************************************************
2  *
3  * Name: acrestyp.h - Defines, types, and structures for resource descriptors
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, 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 
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 
160 struct acpi_uuid {
161 	u8 data[ACPI_UUID_LENGTH];
162 };
163 
164 struct acpi_vendor_uuid {
165 	u8 subtype;
166 	u8 data[ACPI_UUID_LENGTH];
167 };
168 
169 /*
170  * Structures used to describe device resources
171  */
172 struct 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 
182 struct acpi_resource_dma {
183 	u8 type;
184 	u8 bus_master;
185 	u8 transfer;
186 	u8 channel_count;
187 	u8 channels[1];
188 };
189 
190 struct 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 
201 struct acpi_resource_io {
202 	u8 io_decode;
203 	u8 alignment;
204 	u8 address_length;
205 	u16 minimum;
206 	u16 maximum;
207 };
208 
209 struct acpi_resource_fixed_io {
210 	u16 address;
211 	u8 address_length;
212 };
213 
214 struct 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 
229 struct 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 
236 struct 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 
243 struct acpi_resource_end_tag {
244 	u8 checksum;
245 };
246 
247 struct acpi_resource_memory24 {
248 	u8 write_protect;
249 	u16 minimum;
250 	u16 maximum;
251 	u16 alignment;
252 	u16 address_length;
253 };
254 
255 struct acpi_resource_memory32 {
256 	u8 write_protect;
257 	u32 minimum;
258 	u32 maximum;
259 	u32 alignment;
260 	u32 address_length;
261 };
262 
263 struct acpi_resource_fixed_memory32 {
264 	u8 write_protect;
265 	u32 address;
266 	u32 address_length;
267 };
268 
269 struct acpi_memory_attribute {
270 	u8 write_protect;
271 	u8 caching;
272 	u8 range_type;
273 	u8 translation;
274 };
275 
276 struct acpi_io_attribute {
277 	u8 range_type;
278 	u8 translation;
279 	u8 translation_type;
280 	u8 reserved1;
281 };
282 
283 union 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 
292 struct 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 
308 struct acpi_address16_attribute {
309 	u16 granularity;
310 	u16 minimum;
311 	u16 maximum;
312 	u16 translation_offset;
313 	u16 address_length;
314 };
315 
316 struct acpi_address32_attribute {
317 	u32 granularity;
318 	u32 minimum;
319 	u32 maximum;
320 	u32 translation_offset;
321 	u32 address_length;
322 };
323 
324 struct acpi_address64_attribute {
325 	u64 granularity;
326 	u64 minimum;
327 	u64 maximum;
328 	u64 translation_offset;
329 	u64 address_length;
330 };
331 
332 struct acpi_resource_address {
333 ACPI_RESOURCE_ADDRESS_COMMON};
334 
335 struct acpi_resource_address16 {
336 	ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address16_attribute address;
337 	struct acpi_resource_source resource_source;
338 };
339 
340 struct acpi_resource_address32 {
341 	ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address32_attribute address;
342 	struct acpi_resource_source resource_source;
343 };
344 
345 struct acpi_resource_address64 {
346 	ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address64_attribute address;
347 	struct acpi_resource_source resource_source;
348 };
349 
350 struct acpi_resource_extended_address64 {
351 	ACPI_RESOURCE_ADDRESS_COMMON u8 revision_ID;
352 	struct acpi_address64_attribute address;
353 	u64 type_specific;
354 };
355 
356 struct acpi_resource_extended_irq {
357 	u8 producer_consumer;
358 	u8 triggering;
359 	u8 polarity;
360 	u8 sharable;
361 	u8 wake_capable;
362 	u8 interrupt_count;
363 	struct acpi_resource_source resource_source;
364 	u32 interrupts[1];
365 };
366 
367 struct acpi_resource_generic_register {
368 	u8 space_id;
369 	u8 bit_width;
370 	u8 bit_offset;
371 	u8 access_size;
372 	u64 address;
373 };
374 
375 struct acpi_resource_gpio {
376 	u8 revision_id;
377 	u8 connection_type;
378 	u8 producer_consumer;	/* For values, see Producer/Consumer above */
379 	u8 pin_config;
380 	u8 sharable;		/* For values, see Interrupt Attributes above */
381 	u8 wake_capable;	/* For values, see Interrupt Attributes above */
382 	u8 io_restriction;
383 	u8 triggering;		/* For values, see Interrupt Attributes above */
384 	u8 polarity;		/* For values, see Interrupt Attributes above */
385 	u16 drive_strength;
386 	u16 debounce_timeout;
387 	u16 pin_table_length;
388 	u16 vendor_length;
389 	struct acpi_resource_source resource_source;
390 	u16 *pin_table;
391 	u8 *vendor_data;
392 };
393 
394 /* Values for GPIO connection_type field above */
395 
396 #define ACPI_RESOURCE_GPIO_TYPE_INT             0
397 #define ACPI_RESOURCE_GPIO_TYPE_IO              1
398 
399 /* Values for pin_config field above */
400 
401 #define ACPI_PIN_CONFIG_DEFAULT                 0
402 #define ACPI_PIN_CONFIG_PULLUP                  1
403 #define ACPI_PIN_CONFIG_PULLDOWN                2
404 #define ACPI_PIN_CONFIG_NOPULL                  3
405 
406 /* Values for io_restriction field above */
407 
408 #define ACPI_IO_RESTRICT_NONE                   0
409 #define ACPI_IO_RESTRICT_INPUT                  1
410 #define ACPI_IO_RESTRICT_OUTPUT                 2
411 #define ACPI_IO_RESTRICT_NONE_PRESERVE          3
412 
413 /* Common structure for I2C, SPI, and UART serial descriptors */
414 
415 #define ACPI_RESOURCE_SERIAL_COMMON \
416 	u8                                      revision_id; \
417 	u8                                      type; \
418 	u8                                      producer_consumer;   /* For values, see Producer/Consumer above */\
419 	u8                                      slave_mode; \
420 	u8                                      connection_sharing; \
421 	u8                                      type_revision_id; \
422 	u16                                     type_data_length; \
423 	u16                                     vendor_length; \
424 	struct acpi_resource_source             resource_source; \
425 	u8                                      *vendor_data;
426 
427 struct acpi_resource_common_serialbus {
428 ACPI_RESOURCE_SERIAL_COMMON};
429 
430 /* Values for the Type field above */
431 
432 #define ACPI_RESOURCE_SERIAL_TYPE_I2C           1
433 #define ACPI_RESOURCE_SERIAL_TYPE_SPI           2
434 #define ACPI_RESOURCE_SERIAL_TYPE_UART          3
435 
436 /* Values for slave_mode field above */
437 
438 #define ACPI_CONTROLLER_INITIATED               0
439 #define ACPI_DEVICE_INITIATED                   1
440 
441 struct acpi_resource_i2c_serialbus {
442 	ACPI_RESOURCE_SERIAL_COMMON u8 access_mode;
443 	u16 slave_address;
444 	u32 connection_speed;
445 };
446 
447 /* Values for access_mode field above */
448 
449 #define ACPI_I2C_7BIT_MODE                      0
450 #define ACPI_I2C_10BIT_MODE                     1
451 
452 struct acpi_resource_spi_serialbus {
453 	ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode;
454 	u8 device_polarity;
455 	u8 data_bit_length;
456 	u8 clock_phase;
457 	u8 clock_polarity;
458 	u16 device_selection;
459 	u32 connection_speed;
460 };
461 
462 /* Values for wire_mode field above */
463 
464 #define ACPI_SPI_4WIRE_MODE                     0
465 #define ACPI_SPI_3WIRE_MODE                     1
466 
467 /* Values for device_polarity field above */
468 
469 #define ACPI_SPI_ACTIVE_LOW                     0
470 #define ACPI_SPI_ACTIVE_HIGH                    1
471 
472 /* Values for clock_phase field above */
473 
474 #define ACPI_SPI_FIRST_PHASE                    0
475 #define ACPI_SPI_SECOND_PHASE                   1
476 
477 /* Values for clock_polarity field above */
478 
479 #define ACPI_SPI_START_LOW                      0
480 #define ACPI_SPI_START_HIGH                     1
481 
482 struct acpi_resource_uart_serialbus {
483 	ACPI_RESOURCE_SERIAL_COMMON u8 endian;
484 	u8 data_bits;
485 	u8 stop_bits;
486 	u8 flow_control;
487 	u8 parity;
488 	u8 lines_enabled;
489 	u16 rx_fifo_size;
490 	u16 tx_fifo_size;
491 	u32 default_baud_rate;
492 };
493 
494 /* Values for Endian field above */
495 
496 #define ACPI_UART_LITTLE_ENDIAN                 0
497 #define ACPI_UART_BIG_ENDIAN                    1
498 
499 /* Values for data_bits field above */
500 
501 #define ACPI_UART_5_DATA_BITS                   0
502 #define ACPI_UART_6_DATA_BITS                   1
503 #define ACPI_UART_7_DATA_BITS                   2
504 #define ACPI_UART_8_DATA_BITS                   3
505 #define ACPI_UART_9_DATA_BITS                   4
506 
507 /* Values for stop_bits field above */
508 
509 #define ACPI_UART_NO_STOP_BITS                  0
510 #define ACPI_UART_1_STOP_BIT                    1
511 #define ACPI_UART_1P5_STOP_BITS                 2
512 #define ACPI_UART_2_STOP_BITS                   3
513 
514 /* Values for flow_control field above */
515 
516 #define ACPI_UART_FLOW_CONTROL_NONE             0
517 #define ACPI_UART_FLOW_CONTROL_HW               1
518 #define ACPI_UART_FLOW_CONTROL_XON_XOFF         2
519 
520 /* Values for Parity field above */
521 
522 #define ACPI_UART_PARITY_NONE                   0
523 #define ACPI_UART_PARITY_EVEN                   1
524 #define ACPI_UART_PARITY_ODD                    2
525 #define ACPI_UART_PARITY_MARK                   3
526 #define ACPI_UART_PARITY_SPACE                  4
527 
528 /* Values for lines_enabled bitfield above */
529 
530 #define ACPI_UART_CARRIER_DETECT                (1<<2)
531 #define ACPI_UART_RING_INDICATOR                (1<<3)
532 #define ACPI_UART_DATA_SET_READY                (1<<4)
533 #define ACPI_UART_DATA_TERMINAL_READY           (1<<5)
534 #define ACPI_UART_CLEAR_TO_SEND                 (1<<6)
535 #define ACPI_UART_REQUEST_TO_SEND               (1<<7)
536 
537 /* ACPI_RESOURCE_TYPEs */
538 
539 #define ACPI_RESOURCE_TYPE_IRQ                  0
540 #define ACPI_RESOURCE_TYPE_DMA                  1
541 #define ACPI_RESOURCE_TYPE_START_DEPENDENT      2
542 #define ACPI_RESOURCE_TYPE_END_DEPENDENT        3
543 #define ACPI_RESOURCE_TYPE_IO                   4
544 #define ACPI_RESOURCE_TYPE_FIXED_IO             5
545 #define ACPI_RESOURCE_TYPE_VENDOR               6
546 #define ACPI_RESOURCE_TYPE_END_TAG              7
547 #define ACPI_RESOURCE_TYPE_MEMORY24             8
548 #define ACPI_RESOURCE_TYPE_MEMORY32             9
549 #define ACPI_RESOURCE_TYPE_FIXED_MEMORY32       10
550 #define ACPI_RESOURCE_TYPE_ADDRESS16            11
551 #define ACPI_RESOURCE_TYPE_ADDRESS32            12
552 #define ACPI_RESOURCE_TYPE_ADDRESS64            13
553 #define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14	/* ACPI 3.0 */
554 #define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
555 #define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
556 #define ACPI_RESOURCE_TYPE_GPIO                 17	/* ACPI 5.0 */
557 #define ACPI_RESOURCE_TYPE_FIXED_DMA            18	/* ACPI 5.0 */
558 #define ACPI_RESOURCE_TYPE_SERIAL_BUS           19	/* ACPI 5.0 */
559 #define ACPI_RESOURCE_TYPE_MAX                  19
560 
561 /* Master union for resource descriptors */
562 
563 union acpi_resource_data {
564 	struct acpi_resource_irq irq;
565 	struct acpi_resource_dma dma;
566 	struct acpi_resource_start_dependent start_dpf;
567 	struct acpi_resource_io io;
568 	struct acpi_resource_fixed_io fixed_io;
569 	struct acpi_resource_fixed_dma fixed_dma;
570 	struct acpi_resource_vendor vendor;
571 	struct acpi_resource_vendor_typed vendor_typed;
572 	struct acpi_resource_end_tag end_tag;
573 	struct acpi_resource_memory24 memory24;
574 	struct acpi_resource_memory32 memory32;
575 	struct acpi_resource_fixed_memory32 fixed_memory32;
576 	struct acpi_resource_address16 address16;
577 	struct acpi_resource_address32 address32;
578 	struct acpi_resource_address64 address64;
579 	struct acpi_resource_extended_address64 ext_address64;
580 	struct acpi_resource_extended_irq extended_irq;
581 	struct acpi_resource_generic_register generic_reg;
582 	struct acpi_resource_gpio gpio;
583 	struct acpi_resource_i2c_serialbus i2c_serial_bus;
584 	struct acpi_resource_spi_serialbus spi_serial_bus;
585 	struct acpi_resource_uart_serialbus uart_serial_bus;
586 	struct acpi_resource_common_serialbus common_serial_bus;
587 
588 	/* Common fields */
589 
590 	struct acpi_resource_address address;	/* Common 16/32/64 address fields */
591 };
592 
593 /* Common resource header */
594 
595 struct acpi_resource {
596 	u32 type;
597 	u32 length;
598 	union acpi_resource_data data;
599 };
600 
601 /* restore default alignment */
602 
603 #pragma pack()
604 
605 #define ACPI_RS_SIZE_NO_DATA                8	/* Id + Length fields */
606 #define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
607 #define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
608 
609 /* Macro for walking resource templates with multiple descriptors */
610 
611 #define ACPI_NEXT_RESOURCE(res) \
612 	ACPI_ADD_PTR (struct acpi_resource, (res), (res)->length)
613 
614 struct acpi_pci_routing_table {
615 	u32 length;
616 	u32 pin;
617 	u64 address;		/* here for 64-bit alignment */
618 	u32 source_index;
619 	char source[4];		/* pad to 64 bits so sizeof() works in all cases */
620 };
621 
622 #endif				/* __ACRESTYP_H__ */
623