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Linus Torvalds1da177e2005-04-16 15:20:36 -07001
2/******************************************************************************
3 *
4 * Module Name: amlresrc.h - AML resource descriptors
5 *
6 *****************************************************************************/
7
8/*
Len Brown75a44ce2008-04-23 23:00:13 -04009 * Copyright (C) 2000 - 2008, Intel Corp.
Linus Torvalds1da177e2005-04-16 15:20:36 -070010 * 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
Bob Moore616861242006-03-17 16:44:00 -050045/* acpisrc:struct_defs -- for acpisrc conversion */
46
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#ifndef __AMLRESRC_H
48#define __AMLRESRC_H
49
Bob Moore616861242006-03-17 16:44:00 -050050/*
51 * Resource descriptor tags, as defined in the ACPI specification.
52 * Used to symbolically reference fields within a descriptor.
53 */
Bob Moore83135242006-10-03 00:00:00 -040054#define ACPI_RESTAG_ADDRESS "_ADR"
55#define ACPI_RESTAG_ALIGNMENT "_ALN"
56#define ACPI_RESTAG_ADDRESSSPACE "_ASI"
57#define ACPI_RESTAG_ACCESSSIZE "_ASZ"
58#define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT"
59#define ACPI_RESTAG_BASEADDRESS "_BAS"
60#define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */
61#define ACPI_RESTAG_DECODE "_DEC"
62#define ACPI_RESTAG_DMA "_DMA"
63#define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
64#define ACPI_RESTAG_GRANULARITY "_GRA"
65#define ACPI_RESTAG_INTERRUPT "_INT"
Bob Moore958dd242006-05-12 17:12:00 -040066#define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
67#define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
Bob Moore83135242006-10-03 00:00:00 -040068#define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
69#define ACPI_RESTAG_LENGTH "_LEN"
70#define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
Bob Moore958dd242006-05-12 17:12:00 -040071#define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
Bob Moore83135242006-10-03 00:00:00 -040072#define ACPI_RESTAG_MAXADDR "_MAX"
73#define ACPI_RESTAG_MINADDR "_MIN"
74#define ACPI_RESTAG_MAXTYPE "_MAF"
75#define ACPI_RESTAG_MINTYPE "_MIF"
76#define ACPI_RESTAG_REGISTERBITOFFSET "_RBO"
77#define ACPI_RESTAG_REGISTERBITWIDTH "_RBW"
78#define ACPI_RESTAG_RANGETYPE "_RNG"
Bob Moore958dd242006-05-12 17:12:00 -040079#define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
Bob Moore83135242006-10-03 00:00:00 -040080#define ACPI_RESTAG_TRANSLATION "_TRA"
81#define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
82#define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */
Bob Moore958dd242006-05-12 17:12:00 -040083#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8_and16(1), 16(2) */
Linus Torvalds1da177e2005-04-16 15:20:36 -070084
85/* Default sizes for "small" resource descriptors */
86
87#define ASL_RDESC_IRQ_SIZE 0x02
88#define ASL_RDESC_DMA_SIZE 0x02
89#define ASL_RDESC_ST_DEPEND_SIZE 0x00
90#define ASL_RDESC_END_DEPEND_SIZE 0x00
91#define ASL_RDESC_IO_SIZE 0x07
92#define ASL_RDESC_FIXED_IO_SIZE 0x03
93#define ASL_RDESC_END_TAG_SIZE 0x01
94
Len Brown4be44fc2005-08-05 00:44:28 -040095struct asl_resource_node {
96 u32 buffer_length;
97 void *buffer;
98 struct asl_resource_node *next;
Linus Torvalds1da177e2005-04-16 15:20:36 -070099};
100
Bob Moore96db2552005-11-02 00:00:00 -0500101/* Macros used to generate AML resource length fields */
102
103#define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
104#define ACPI_AML_SIZE_SMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
105
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106/*
107 * Resource descriptors defined in the ACPI specification.
108 *
109 * Packing/alignment must be BYTE because these descriptors
Bob Moore50eca3e2005-09-30 19:03:00 -0400110 * are used to overlay the raw AML byte stream.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 */
112#pragma pack(1)
113
Bob Moore50eca3e2005-09-30 19:03:00 -0400114/*
115 * SMALL descriptors
116 */
117#define AML_RESOURCE_SMALL_HEADER_COMMON \
Bob Moore616861242006-03-17 16:44:00 -0500118 u8 descriptor_type;
Bob Moore50eca3e2005-09-30 19:03:00 -0400119
120struct aml_resource_small_header {
121AML_RESOURCE_SMALL_HEADER_COMMON};
122
123struct aml_resource_irq {
124 AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
Len Brown4be44fc2005-08-05 00:44:28 -0400125 u8 flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126};
127
Bob Moore50eca3e2005-09-30 19:03:00 -0400128struct aml_resource_irq_noflags {
129 AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130};
131
Bob Moore50eca3e2005-09-30 19:03:00 -0400132struct aml_resource_dma {
133 AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
Len Brown4be44fc2005-08-05 00:44:28 -0400134 u8 flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135};
136
Bob Moore50eca3e2005-09-30 19:03:00 -0400137struct aml_resource_start_dependent {
138 AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139};
140
Bob Moore50eca3e2005-09-30 19:03:00 -0400141struct aml_resource_start_dependent_noprio {
142AML_RESOURCE_SMALL_HEADER_COMMON};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143
Bob Moore50eca3e2005-09-30 19:03:00 -0400144struct aml_resource_end_dependent {
145AML_RESOURCE_SMALL_HEADER_COMMON};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146
Bob Moore50eca3e2005-09-30 19:03:00 -0400147struct aml_resource_io {
Bob Moore08978312005-10-21 00:00:00 -0400148 AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
Bob Moore50eca3e2005-09-30 19:03:00 -0400149 u16 minimum;
150 u16 maximum;
Len Brown4be44fc2005-08-05 00:44:28 -0400151 u8 alignment;
Bob Moore50eca3e2005-09-30 19:03:00 -0400152 u8 address_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153};
154
Bob Moore50eca3e2005-09-30 19:03:00 -0400155struct aml_resource_fixed_io {
156 AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
157 u8 address_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158};
159
Bob Moore50eca3e2005-09-30 19:03:00 -0400160struct aml_resource_vendor_small {
161AML_RESOURCE_SMALL_HEADER_COMMON};
162
163struct aml_resource_end_tag {
164 AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165};
166
Bob Moore50eca3e2005-09-30 19:03:00 -0400167/*
168 * LARGE descriptors
169 */
170#define AML_RESOURCE_LARGE_HEADER_COMMON \
Bob Moore616861242006-03-17 16:44:00 -0500171 u8 descriptor_type;\
172 u16 resource_length;
Robert Moorebda663d2005-09-16 16:51:15 -0400173
Bob Moore50eca3e2005-09-30 19:03:00 -0400174struct aml_resource_large_header {
175AML_RESOURCE_LARGE_HEADER_COMMON};
Robert Moorebda663d2005-09-16 16:51:15 -0400176
Bob Moore50eca3e2005-09-30 19:03:00 -0400177struct aml_resource_memory24 {
Bob Moore08978312005-10-21 00:00:00 -0400178 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
Bob Moore50eca3e2005-09-30 19:03:00 -0400179 u16 minimum;
180 u16 maximum;
Len Brown4be44fc2005-08-05 00:44:28 -0400181 u16 alignment;
Bob Moore50eca3e2005-09-30 19:03:00 -0400182 u16 address_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183};
184
Bob Moore50eca3e2005-09-30 19:03:00 -0400185struct aml_resource_vendor_large {
186AML_RESOURCE_LARGE_HEADER_COMMON};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187
Bob Moore50eca3e2005-09-30 19:03:00 -0400188struct aml_resource_memory32 {
Bob Moore08978312005-10-21 00:00:00 -0400189 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
Bob Moore50eca3e2005-09-30 19:03:00 -0400190 u32 minimum;
191 u32 maximum;
Len Brown4be44fc2005-08-05 00:44:28 -0400192 u32 alignment;
Bob Moore50eca3e2005-09-30 19:03:00 -0400193 u32 address_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194};
195
Bob Moore50eca3e2005-09-30 19:03:00 -0400196struct aml_resource_fixed_memory32 {
Bob Moore08978312005-10-21 00:00:00 -0400197 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
Bob Moore50eca3e2005-09-30 19:03:00 -0400198 u32 address;
199 u32 address_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200};
201
Bob Moore50eca3e2005-09-30 19:03:00 -0400202#define AML_RESOURCE_ADDRESS_COMMON \
Bob Moore616861242006-03-17 16:44:00 -0500203 u8 resource_type; \
204 u8 flags; \
205 u8 specific_flags;
Bob Moore50eca3e2005-09-30 19:03:00 -0400206
207struct aml_resource_address {
208AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
209
210struct aml_resource_extended_address64 {
211 AML_RESOURCE_LARGE_HEADER_COMMON
212 AML_RESOURCE_ADDRESS_COMMON u8 revision_iD;
Len Brown4be44fc2005-08-05 00:44:28 -0400213 u8 reserved;
214 u64 granularity;
Bob Moore50eca3e2005-09-30 19:03:00 -0400215 u64 minimum;
216 u64 maximum;
Len Brown4be44fc2005-08-05 00:44:28 -0400217 u64 translation_offset;
218 u64 address_length;
Bob Moore08978312005-10-21 00:00:00 -0400219 u64 type_specific;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220};
221
Bob Moore50eca3e2005-09-30 19:03:00 -0400222#define AML_RESOURCE_EXTENDED_ADDRESS_REVISION 1 /* ACPI 3.0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223
Bob Moore50eca3e2005-09-30 19:03:00 -0400224struct aml_resource_address64 {
225 AML_RESOURCE_LARGE_HEADER_COMMON
226 AML_RESOURCE_ADDRESS_COMMON u64 granularity;
227 u64 minimum;
228 u64 maximum;
Len Brown4be44fc2005-08-05 00:44:28 -0400229 u64 translation_offset;
230 u64 address_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231};
232
Bob Moore50eca3e2005-09-30 19:03:00 -0400233struct aml_resource_address32 {
234 AML_RESOURCE_LARGE_HEADER_COMMON
235 AML_RESOURCE_ADDRESS_COMMON u32 granularity;
236 u32 minimum;
237 u32 maximum;
Len Brown4be44fc2005-08-05 00:44:28 -0400238 u32 translation_offset;
239 u32 address_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240};
241
Bob Moore50eca3e2005-09-30 19:03:00 -0400242struct aml_resource_address16 {
243 AML_RESOURCE_LARGE_HEADER_COMMON
244 AML_RESOURCE_ADDRESS_COMMON u16 granularity;
245 u16 minimum;
246 u16 maximum;
Len Brown4be44fc2005-08-05 00:44:28 -0400247 u16 translation_offset;
248 u16 address_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249};
250
Bob Moore50eca3e2005-09-30 19:03:00 -0400251struct aml_resource_extended_irq {
252 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
Bob Moore08978312005-10-21 00:00:00 -0400253 u8 interrupt_count;
254 u32 interrupts[1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255 /* res_source_index, res_source optional fields follow */
256};
257
Bob Moore50eca3e2005-09-30 19:03:00 -0400258struct aml_resource_generic_register {
259 AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
Len Brown4be44fc2005-08-05 00:44:28 -0400260 u8 bit_width;
261 u8 bit_offset;
Bob Moore50eca3e2005-09-30 19:03:00 -0400262 u8 access_size; /* ACPI 3.0, was previously Reserved */
Len Brown4be44fc2005-08-05 00:44:28 -0400263 u64 address;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264};
265
266/* restore default alignment */
267
268#pragma pack()
269
270/* Union of all resource descriptors, so we can allocate the worst case */
271
Bob Moore50eca3e2005-09-30 19:03:00 -0400272union aml_resource {
273 /* Descriptor headers */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700274
Bob Moore83135242006-10-03 00:00:00 -0400275 u8 descriptor_type;
Bob Moore50eca3e2005-09-30 19:03:00 -0400276 struct aml_resource_small_header small_header;
277 struct aml_resource_large_header large_header;
278
279 /* Small resource descriptors */
280
281 struct aml_resource_irq irq;
282 struct aml_resource_dma dma;
283 struct aml_resource_start_dependent start_dpf;
284 struct aml_resource_end_dependent end_dpf;
285 struct aml_resource_io io;
286 struct aml_resource_fixed_io fixed_io;
287 struct aml_resource_vendor_small vendor_small;
288 struct aml_resource_end_tag end_tag;
289
290 /* Large resource descriptors */
291
292 struct aml_resource_memory24 memory24;
293 struct aml_resource_generic_register generic_reg;
294 struct aml_resource_vendor_large vendor_large;
295 struct aml_resource_memory32 memory32;
296 struct aml_resource_fixed_memory32 fixed_memory32;
297 struct aml_resource_address16 address16;
298 struct aml_resource_address32 address32;
299 struct aml_resource_address64 address64;
300 struct aml_resource_extended_address64 ext_address64;
301 struct aml_resource_extended_irq extended_irq;
302
303 /* Utility overlays */
304
305 struct aml_resource_address address;
Bob Moore958dd242006-05-12 17:12:00 -0400306 u32 dword_item;
307 u16 word_item;
308 u8 byte_item;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309};
310
Linus Torvalds1da177e2005-04-16 15:20:36 -0700311#endif