blob: 9ffe00feada62ef7b91aa357849182bc7b66060a [file] [log] [blame]
Bob Moore50df4d82008-12-31 03:01:23 +08001/******************************************************************************
2 *
3 * Name: acrestyp.h - Defines, types, and structures for resource descriptors
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, 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) = (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
142struct acpi_uuid {
143 u8 data[ACPI_UUID_LENGTH];
144};
145
146struct acpi_vendor_uuid {
147 u8 subtype;
148 u8 data[ACPI_UUID_LENGTH];
149};
150
151/*
152 * Structures used to describe device resources
153 */
154struct 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
163struct acpi_resource_dma {
164 u8 type;
165 u8 bus_master;
166 u8 transfer;
167 u8 channel_count;
168 u8 channels[1];
169};
170
171struct 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
182struct acpi_resource_io {
183 u8 io_decode;
184 u8 alignment;
185 u8 address_length;
186 u16 minimum;
187 u16 maximum;
188};
189
190struct acpi_resource_fixed_io {
191 u16 address;
192 u8 address_length;
193};
194
195struct 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
202struct 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
209struct acpi_resource_end_tag {
210 u8 checksum;
211};
212
213struct acpi_resource_memory24 {
214 u8 write_protect;
215 u16 minimum;
216 u16 maximum;
217 u16 alignment;
218 u16 address_length;
219};
220
221struct acpi_resource_memory32 {
222 u8 write_protect;
223 u32 minimum;
224 u32 maximum;
225 u32 alignment;
226 u32 address_length;
227};
228
229struct acpi_resource_fixed_memory32 {
230 u8 write_protect;
231 u32 address;
232 u32 address_length;
233};
234
235struct acpi_memory_attribute {
236 u8 write_protect;
237 u8 caching;
238 u8 range_type;
239 u8 translation;
240};
241
242struct acpi_io_attribute {
243 u8 range_type;
244 u8 translation;
245 u8 translation_type;
246 u8 reserved1;
247};
248
249union 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
258struct 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
274struct acpi_resource_address {
275ACPI_RESOURCE_ADDRESS_COMMON};
276
277struct 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
286struct 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
295struct 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
304struct 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
314struct 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
324struct 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
355union 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
381struct 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
397struct acpi_pci_routing_table {
398 u32 length;
399 u32 pin;
400 acpi_integer 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__ */