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1
2/******************************************************************************
3 *
4 * Module Name: amlresrc.h - AML resource descriptors
5 *
6 *****************************************************************************/
7
8/*
9 * Copyright (C) 2000 - 2005, R. Byron Moore
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
30 *
31 * NO WARRANTY
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42 * POSSIBILITY OF SUCH DAMAGES.
43 */
44
45
46#ifndef __AMLRESRC_H
47#define __AMLRESRC_H
48
49
50#define ASL_RESNAME_ADDRESS "_ADR"
51#define ASL_RESNAME_ALIGNMENT "_ALN"
52#define ASL_RESNAME_ADDRESSSPACE "_ASI"
53#define ASL_RESNAME_ACCESSSIZE "_ASZ"
54#define ASL_RESNAME_TYPESPECIFICATTRIBUTES "_ATT"
55#define ASL_RESNAME_BASEADDRESS "_BAS"
56#define ASL_RESNAME_BUSMASTER "_BM_" /* Master(1), Slave(0) */
57#define ASL_RESNAME_DECODE "_DEC"
58#define ASL_RESNAME_DMA "_DMA"
59#define ASL_RESNAME_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
60#define ASL_RESNAME_GRANULARITY "_GRA"
61#define ASL_RESNAME_INTERRUPT "_INT"
62#define ASL_RESNAME_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
63#define ASL_RESNAME_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
64#define ASL_RESNAME_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
65#define ASL_RESNAME_LENGTH "_LEN"
66#define ASL_RESNAME_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
67#define ASL_RESNAME_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
68#define ASL_RESNAME_MAXADDR "_MAX"
69#define ASL_RESNAME_MINADDR "_MIN"
70#define ASL_RESNAME_MAXTYPE "_MAF"
71#define ASL_RESNAME_MINTYPE "_MIF"
72#define ASL_RESNAME_REGISTERBITOFFSET "_RBO"
73#define ASL_RESNAME_REGISTERBITWIDTH "_RBW"
74#define ASL_RESNAME_RANGETYPE "_RNG"
75#define ASL_RESNAME_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
76#define ASL_RESNAME_TRANSLATION "_TRA"
77#define ASL_RESNAME_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
78#define ASL_RESNAME_TYPE "_TTP" /* Translation(1), Static (0) */
79#define ASL_RESNAME_XFERTYPE "_SIz" /* 8(0), 8_and16(1), 16(2) */
80
81
82/* Default sizes for "small" resource descriptors */
83
84#define ASL_RDESC_IRQ_SIZE 0x02
85#define ASL_RDESC_DMA_SIZE 0x02
86#define ASL_RDESC_ST_DEPEND_SIZE 0x00
87#define ASL_RDESC_END_DEPEND_SIZE 0x00
88#define ASL_RDESC_IO_SIZE 0x07
89#define ASL_RDESC_FIXED_IO_SIZE 0x03
90#define ASL_RDESC_END_TAG_SIZE 0x01
91
92
93struct asl_resource_node
94{
95 u32 buffer_length;
96 void *buffer;
97 struct asl_resource_node *next;
98};
99
100
101/*
102 * Resource descriptors defined in the ACPI specification.
103 *
104 * Packing/alignment must be BYTE because these descriptors
105 * are used to overlay the AML byte stream.
106 */
107#pragma pack(1)
108
109struct asl_irq_format_desc
110{
111 u8 descriptor_type;
112 u16 irq_mask;
113 u8 flags;
114};
115
116
117struct asl_irq_noflags_desc
118{
119 u8 descriptor_type;
120 u16 irq_mask;
121};
122
123
124struct asl_dma_format_desc
125{
126 u8 descriptor_type;
127 u8 dma_channel_mask;
128 u8 flags;
129};
130
131
132struct asl_start_dependent_desc
133{
134 u8 descriptor_type;
135 u8 flags;
136};
137
138
139struct asl_start_dependent_noprio_desc
140{
141 u8 descriptor_type;
142};
143
144
145struct asl_end_dependent_desc
146{
147 u8 descriptor_type;
148};
149
150
151struct asl_io_port_desc
152{
153 u8 descriptor_type;
154 u8 information;
155 u16 address_min;
156 u16 address_max;
157 u8 alignment;
158 u8 length;
159};
160
161
162struct asl_fixed_io_port_desc
163{
164 u8 descriptor_type;
165 u16 base_address;
166 u8 length;
167};
168
169
170struct asl_small_vendor_desc
171{
172 u8 descriptor_type;
173 u8 vendor_defined[7];
174};
175
176
177struct asl_end_tag_desc
178{
179 u8 descriptor_type;
180 u8 checksum;
181};
182
183
184/* LARGE descriptors */
185
186struct asl_memory_24_desc
187{
188 u8 descriptor_type;
189 u16 length;
190 u8 information;
191 u16 address_min;
192 u16 address_max;
193 u16 alignment;
194 u16 range_length;
195};
196
197
198struct asl_large_vendor_desc
199{
200 u8 descriptor_type;
201 u16 length;
202 u8 vendor_defined[1];
203};
204
205
206struct asl_memory_32_desc
207{
208 u8 descriptor_type;
209 u16 length;
210 u8 information;
211 u32 address_min;
212 u32 address_max;
213 u32 alignment;
214 u32 range_length;
215};
216
217
218struct asl_fixed_memory_32_desc
219{
220 u8 descriptor_type;
221 u16 length;
222 u8 information;
223 u32 base_address;
224 u32 range_length;
225};
226
227
228struct asl_extended_address_desc
229{
230 u8 descriptor_type;
231 u16 length;
232 u8 resource_type;
233 u8 flags;
234 u8 specific_flags;
235 u8 revision_iD;
236 u8 reserved;
237 u64 granularity;
238 u64 address_min;
239 u64 address_max;
240 u64 translation_offset;
241 u64 address_length;
242 u64 type_specific_attributes;
243 u8 optional_fields[2]; /* Used for length calculation only */
244};
245
246#define ASL_EXTENDED_ADDRESS_DESC_REVISION 1 /* ACPI 3.0 */
247
248
249struct asl_qword_address_desc
250{
251 u8 descriptor_type;
252 u16 length;
253 u8 resource_type;
254 u8 flags;
255 u8 specific_flags;
256 u64 granularity;
257 u64 address_min;
258 u64 address_max;
259 u64 translation_offset;
260 u64 address_length;
261 u8 optional_fields[2];
262};
263
264
265struct asl_dword_address_desc
266{
267 u8 descriptor_type;
268 u16 length;
269 u8 resource_type;
270 u8 flags;
271 u8 specific_flags;
272 u32 granularity;
273 u32 address_min;
274 u32 address_max;
275 u32 translation_offset;
276 u32 address_length;
277 u8 optional_fields[2];
278};
279
280
281struct asl_word_address_desc
282{
283 u8 descriptor_type;
284 u16 length;
285 u8 resource_type;
286 u8 flags;
287 u8 specific_flags;
288 u16 granularity;
289 u16 address_min;
290 u16 address_max;
291 u16 translation_offset;
292 u16 address_length;
293 u8 optional_fields[2];
294};
295
296
297struct asl_extended_xrupt_desc
298{
299 u8 descriptor_type;
300 u16 length;
301 u8 flags;
302 u8 table_length;
303 u32 interrupt_number[1];
304 /* res_source_index, res_source optional fields follow */
305};
306
307
308struct asl_general_register_desc
309{
310 u8 descriptor_type;
311 u16 length;
312 u8 address_space_id;
313 u8 bit_width;
314 u8 bit_offset;
315 u8 access_size; /* ACPI 3.0, was Reserved */
316 u64 address;
317};
318
319/* restore default alignment */
320
321#pragma pack()
322
323/* Union of all resource descriptors, so we can allocate the worst case */
324
325union asl_resource_desc
326{
327 struct asl_irq_format_desc irq;
328 struct asl_dma_format_desc dma;
329 struct asl_start_dependent_desc std;
330 struct asl_end_dependent_desc end;
331 struct asl_io_port_desc iop;
332 struct asl_fixed_io_port_desc fio;
333 struct asl_small_vendor_desc smv;
334 struct asl_end_tag_desc et;
335
336 struct asl_memory_24_desc M24;
337 struct asl_large_vendor_desc lgv;
338 struct asl_memory_32_desc M32;
339 struct asl_fixed_memory_32_desc F32;
340 struct asl_qword_address_desc qas;
341 struct asl_dword_address_desc das;
342 struct asl_word_address_desc was;
343 struct asl_extended_address_desc eas;
344 struct asl_extended_xrupt_desc exx;
345 struct asl_general_register_desc grg;
346 u32 u32_item;
347 u16 u16_item;
348 u8 U8item;
349};
350
351
352#endif
353