1/******************************************************************************
2 *
3 * Name: acrestyp.h - Defines, types, and structures for resource descriptors
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2015, 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_address16_attribute {
309	u16 granularity;
310	u16 minimum;
311	u16 maximum;
312	u16 translation_offset;
313	u16 address_length;
314};
315
316struct acpi_address32_attribute {
317	u32 granularity;
318	u32 minimum;
319	u32 maximum;
320	u32 translation_offset;
321	u32 address_length;
322};
323
324struct acpi_address64_attribute {
325	u64 granularity;
326	u64 minimum;
327	u64 maximum;
328	u64 translation_offset;
329	u64 address_length;
330};
331
332struct acpi_resource_address {
333ACPI_RESOURCE_ADDRESS_COMMON};
334
335struct acpi_resource_address16 {
336	ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address16_attribute address;
337	struct acpi_resource_source resource_source;
338};
339
340struct acpi_resource_address32 {
341	ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address32_attribute address;
342	struct acpi_resource_source resource_source;
343};
344
345struct acpi_resource_address64 {
346	ACPI_RESOURCE_ADDRESS_COMMON struct acpi_address64_attribute address;
347	struct acpi_resource_source resource_source;
348};
349
350struct acpi_resource_extended_address64 {
351	ACPI_RESOURCE_ADDRESS_COMMON u8 revision_ID;
352	struct acpi_address64_attribute address;
353	u64 type_specific;
354};
355
356struct 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
367struct 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
375struct 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                                      type_revision_id; \
421	u16                                     type_data_length; \
422	u16                                     vendor_length; \
423	struct acpi_resource_source             resource_source; \
424	u8                                      *vendor_data;
425
426struct acpi_resource_common_serialbus {
427ACPI_RESOURCE_SERIAL_COMMON};
428
429/* Values for the Type field above */
430
431#define ACPI_RESOURCE_SERIAL_TYPE_I2C           1
432#define ACPI_RESOURCE_SERIAL_TYPE_SPI           2
433#define ACPI_RESOURCE_SERIAL_TYPE_UART          3
434
435/* Values for slave_mode field above */
436
437#define ACPI_CONTROLLER_INITIATED               0
438#define ACPI_DEVICE_INITIATED                   1
439
440struct acpi_resource_i2c_serialbus {
441	ACPI_RESOURCE_SERIAL_COMMON u8 access_mode;
442	u16 slave_address;
443	u32 connection_speed;
444};
445
446/* Values for access_mode field above */
447
448#define ACPI_I2C_7BIT_MODE                      0
449#define ACPI_I2C_10BIT_MODE                     1
450
451struct acpi_resource_spi_serialbus {
452	ACPI_RESOURCE_SERIAL_COMMON u8 wire_mode;
453	u8 device_polarity;
454	u8 data_bit_length;
455	u8 clock_phase;
456	u8 clock_polarity;
457	u16 device_selection;
458	u32 connection_speed;
459};
460
461/* Values for wire_mode field above */
462
463#define ACPI_SPI_4WIRE_MODE                     0
464#define ACPI_SPI_3WIRE_MODE                     1
465
466/* Values for device_polarity field above */
467
468#define ACPI_SPI_ACTIVE_LOW                     0
469#define ACPI_SPI_ACTIVE_HIGH                    1
470
471/* Values for clock_phase field above */
472
473#define ACPI_SPI_FIRST_PHASE                    0
474#define ACPI_SPI_SECOND_PHASE                   1
475
476/* Values for clock_polarity field above */
477
478#define ACPI_SPI_START_LOW                      0
479#define ACPI_SPI_START_HIGH                     1
480
481struct acpi_resource_uart_serialbus {
482	ACPI_RESOURCE_SERIAL_COMMON u8 endian;
483	u8 data_bits;
484	u8 stop_bits;
485	u8 flow_control;
486	u8 parity;
487	u8 lines_enabled;
488	u16 rx_fifo_size;
489	u16 tx_fifo_size;
490	u32 default_baud_rate;
491};
492
493/* Values for Endian field above */
494
495#define ACPI_UART_LITTLE_ENDIAN                 0
496#define ACPI_UART_BIG_ENDIAN                    1
497
498/* Values for data_bits field above */
499
500#define ACPI_UART_5_DATA_BITS                   0
501#define ACPI_UART_6_DATA_BITS                   1
502#define ACPI_UART_7_DATA_BITS                   2
503#define ACPI_UART_8_DATA_BITS                   3
504#define ACPI_UART_9_DATA_BITS                   4
505
506/* Values for stop_bits field above */
507
508#define ACPI_UART_NO_STOP_BITS                  0
509#define ACPI_UART_1_STOP_BIT                    1
510#define ACPI_UART_1P5_STOP_BITS                 2
511#define ACPI_UART_2_STOP_BITS                   3
512
513/* Values for flow_control field above */
514
515#define ACPI_UART_FLOW_CONTROL_NONE             0
516#define ACPI_UART_FLOW_CONTROL_HW               1
517#define ACPI_UART_FLOW_CONTROL_XON_XOFF         2
518
519/* Values for Parity field above */
520
521#define ACPI_UART_PARITY_NONE                   0
522#define ACPI_UART_PARITY_EVEN                   1
523#define ACPI_UART_PARITY_ODD                    2
524#define ACPI_UART_PARITY_MARK                   3
525#define ACPI_UART_PARITY_SPACE                  4
526
527/* Values for lines_enabled bitfield above */
528
529#define ACPI_UART_CARRIER_DETECT                (1<<2)
530#define ACPI_UART_RING_INDICATOR                (1<<3)
531#define ACPI_UART_DATA_SET_READY                (1<<4)
532#define ACPI_UART_DATA_TERMINAL_READY           (1<<5)
533#define ACPI_UART_CLEAR_TO_SEND                 (1<<6)
534#define ACPI_UART_REQUEST_TO_SEND               (1<<7)
535
536/* ACPI_RESOURCE_TYPEs */
537
538#define ACPI_RESOURCE_TYPE_IRQ                  0
539#define ACPI_RESOURCE_TYPE_DMA                  1
540#define ACPI_RESOURCE_TYPE_START_DEPENDENT      2
541#define ACPI_RESOURCE_TYPE_END_DEPENDENT        3
542#define ACPI_RESOURCE_TYPE_IO                   4
543#define ACPI_RESOURCE_TYPE_FIXED_IO             5
544#define ACPI_RESOURCE_TYPE_VENDOR               6
545#define ACPI_RESOURCE_TYPE_END_TAG              7
546#define ACPI_RESOURCE_TYPE_MEMORY24             8
547#define ACPI_RESOURCE_TYPE_MEMORY32             9
548#define ACPI_RESOURCE_TYPE_FIXED_MEMORY32       10
549#define ACPI_RESOURCE_TYPE_ADDRESS16            11
550#define ACPI_RESOURCE_TYPE_ADDRESS32            12
551#define ACPI_RESOURCE_TYPE_ADDRESS64            13
552#define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14	/* ACPI 3.0 */
553#define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
554#define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
555#define ACPI_RESOURCE_TYPE_GPIO                 17	/* ACPI 5.0 */
556#define ACPI_RESOURCE_TYPE_FIXED_DMA            18	/* ACPI 5.0 */
557#define ACPI_RESOURCE_TYPE_SERIAL_BUS           19	/* ACPI 5.0 */
558#define ACPI_RESOURCE_TYPE_MAX                  19
559
560/* Master union for resource descriptors */
561
562union acpi_resource_data {
563	struct acpi_resource_irq irq;
564	struct acpi_resource_dma dma;
565	struct acpi_resource_start_dependent start_dpf;
566	struct acpi_resource_io io;
567	struct acpi_resource_fixed_io fixed_io;
568	struct acpi_resource_fixed_dma fixed_dma;
569	struct acpi_resource_vendor vendor;
570	struct acpi_resource_vendor_typed vendor_typed;
571	struct acpi_resource_end_tag end_tag;
572	struct acpi_resource_memory24 memory24;
573	struct acpi_resource_memory32 memory32;
574	struct acpi_resource_fixed_memory32 fixed_memory32;
575	struct acpi_resource_address16 address16;
576	struct acpi_resource_address32 address32;
577	struct acpi_resource_address64 address64;
578	struct acpi_resource_extended_address64 ext_address64;
579	struct acpi_resource_extended_irq extended_irq;
580	struct acpi_resource_generic_register generic_reg;
581	struct acpi_resource_gpio gpio;
582	struct acpi_resource_i2c_serialbus i2c_serial_bus;
583	struct acpi_resource_spi_serialbus spi_serial_bus;
584	struct acpi_resource_uart_serialbus uart_serial_bus;
585	struct acpi_resource_common_serialbus common_serial_bus;
586
587	/* Common fields */
588
589	struct acpi_resource_address address;	/* Common 16/32/64 address fields */
590};
591
592/* Common resource header */
593
594struct acpi_resource {
595	u32 type;
596	u32 length;
597	union acpi_resource_data data;
598};
599
600/* restore default alignment */
601
602#pragma pack()
603
604#define ACPI_RS_SIZE_NO_DATA                8	/* Id + Length fields */
605#define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
606#define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
607
608/* Macro for walking resource templates with multiple descriptors */
609
610#define ACPI_NEXT_RESOURCE(res) \
611	ACPI_ADD_PTR (struct acpi_resource, (res), (res)->length)
612
613struct acpi_pci_routing_table {
614	u32 length;
615	u32 pin;
616	u64 address;		/* here for 64-bit alignment */
617	u32 source_index;
618	char source[4];		/* pad to 64 bits so sizeof() works in all cases */
619};
620
621#endif				/* __ACRESTYP_H__ */
622