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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__ */ |
406 |
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