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1
2 /******************************************************************************
3  *
4  * Module Name: amlresrc.h - AML resource descriptors
5  *
6  *****************************************************************************/
7
8 /*
9  * Copyright (C) 2000 - 2006, 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 /* acpisrc:struct_defs -- for acpisrc conversion */
46
47 #ifndef __AMLRESRC_H
48 #define __AMLRESRC_H
49
50 /*! [Begin] no source code translation */
51
52 /*
53  * Resource descriptor tags, as defined in the ACPI specification.
54  * Used to symbolically reference fields within a descriptor.
55  */
56 #define ACPI_RESTAG_ADDRESS                     "_ADR"
57 #define ACPI_RESTAG_ALIGNMENT                   "_ALN"
58 #define ACPI_RESTAG_ADDRESSSPACE                "_ASI"
59 #define ACPI_RESTAG_ACCESSSIZE                  "_ASZ"
60 #define ACPI_RESTAG_TYPESPECIFICATTRIBUTES      "_ATT"
61 #define ACPI_RESTAG_BASEADDRESS                 "_BAS"
62 #define ACPI_RESTAG_BUSMASTER                   "_BM_"  /* Master(1), Slave(0) */
63 #define ACPI_RESTAG_DECODE                      "_DEC"
64 #define ACPI_RESTAG_DMA                         "_DMA"
65 #define ACPI_RESTAG_DMATYPE                     "_TYP"  /* Compatible(0), A(1), B(2), F(3) */
66 #define ACPI_RESTAG_GRANULARITY                 "_GRA"
67 #define ACPI_RESTAG_INTERRUPT                   "_INT"
68 #define ACPI_RESTAG_INTERRUPTLEVEL              "_LL_"  /* ActiveLo(1), ActiveHi(0) */
69 #define ACPI_RESTAG_INTERRUPTSHARE              "_SHR"  /* Shareable(1), NoShare(0) */
70 #define ACPI_RESTAG_INTERRUPTTYPE               "_HE_"  /* Edge(1), Level(0) */
71 #define ACPI_RESTAG_LENGTH                      "_LEN"
72 #define ACPI_RESTAG_MEMATTRIBUTES               "_MTP"  /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
73 #define ACPI_RESTAG_MEMTYPE                     "_MEM"  /* NonCache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
74 #define ACPI_RESTAG_MAXADDR                     "_MAX"
75 #define ACPI_RESTAG_MINADDR                     "_MIN"
76 #define ACPI_RESTAG_MAXTYPE                     "_MAF"
77 #define ACPI_RESTAG_MINTYPE                     "_MIF"
78 #define ACPI_RESTAG_REGISTERBITOFFSET           "_RBO"
79 #define ACPI_RESTAG_REGISTERBITWIDTH            "_RBW"
80 #define ACPI_RESTAG_RANGETYPE                   "_RNG"
81 #define ACPI_RESTAG_READWRITETYPE               "_RW_"  /* ReadOnly(0), Writeable (1) */
82 #define ACPI_RESTAG_TRANSLATION                 "_TRA"
83 #define ACPI_RESTAG_TRANSTYPE                   "_TRS"  /* Sparse(1), Dense(0) */
84 #define ACPI_RESTAG_TYPE                        "_TTP"  /* Translation(1), Static (0) */
85 #define ACPI_RESTAG_XFERTYPE                    "_SIZ"  /* 8(0), 8And16(1), 16(2) */
86 /*! [End] no source code translation !*/
87
88 /* Default sizes for "small" resource descriptors */
89
90 #define ASL_RDESC_IRQ_SIZE                      0x02
91 #define ASL_RDESC_DMA_SIZE                      0x02
92 #define ASL_RDESC_ST_DEPEND_SIZE                0x00
93 #define ASL_RDESC_END_DEPEND_SIZE               0x00
94 #define ASL_RDESC_IO_SIZE                       0x07
95 #define ASL_RDESC_FIXED_IO_SIZE                 0x03
96 #define ASL_RDESC_END_TAG_SIZE                  0x01
97
98 struct asl_resource_node {
99         u32 buffer_length;
100         void *buffer;
101         struct asl_resource_node *next;
102 };
103
104 /* Macros used to generate AML resource length fields */
105
106 #define ACPI_AML_SIZE_LARGE(r)      (sizeof (r) - sizeof (struct aml_resource_large_header))
107 #define ACPI_AML_SIZE_SMALL(r)      (sizeof (r) - sizeof (struct aml_resource_small_header))
108
109 /*
110  * Resource descriptors defined in the ACPI specification.
111  *
112  * Packing/alignment must be BYTE because these descriptors
113  * are used to overlay the raw AML byte stream.
114  */
115 #pragma pack(1)
116
117 /*
118  * SMALL descriptors
119  */
120 #define AML_RESOURCE_SMALL_HEADER_COMMON \
121         u8                              descriptor_type;
122
123 struct aml_resource_small_header {
124 AML_RESOURCE_SMALL_HEADER_COMMON};
125
126 struct aml_resource_irq {
127         AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
128         u8 flags;
129 };
130
131 struct aml_resource_irq_noflags {
132         AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
133 };
134
135 struct aml_resource_dma {
136         AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
137         u8 flags;
138 };
139
140 struct aml_resource_start_dependent {
141         AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
142 };
143
144 struct aml_resource_start_dependent_noprio {
145 AML_RESOURCE_SMALL_HEADER_COMMON};
146
147 struct aml_resource_end_dependent {
148 AML_RESOURCE_SMALL_HEADER_COMMON};
149
150 struct aml_resource_io {
151         AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
152         u16 minimum;
153         u16 maximum;
154         u8 alignment;
155         u8 address_length;
156 };
157
158 struct aml_resource_fixed_io {
159         AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
160         u8 address_length;
161 };
162
163 struct aml_resource_vendor_small {
164 AML_RESOURCE_SMALL_HEADER_COMMON};
165
166 struct aml_resource_end_tag {
167         AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
168 };
169
170 /*
171  * LARGE descriptors
172  */
173 #define AML_RESOURCE_LARGE_HEADER_COMMON \
174         u8                              descriptor_type;\
175         u16                             resource_length;
176
177 struct aml_resource_large_header {
178 AML_RESOURCE_LARGE_HEADER_COMMON};
179
180 struct aml_resource_memory24 {
181         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
182         u16 minimum;
183         u16 maximum;
184         u16 alignment;
185         u16 address_length;
186 };
187
188 struct aml_resource_vendor_large {
189 AML_RESOURCE_LARGE_HEADER_COMMON};
190
191 struct aml_resource_memory32 {
192         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
193         u32 minimum;
194         u32 maximum;
195         u32 alignment;
196         u32 address_length;
197 };
198
199 struct aml_resource_fixed_memory32 {
200         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
201         u32 address;
202         u32 address_length;
203 };
204
205 #define AML_RESOURCE_ADDRESS_COMMON \
206         u8                              resource_type; \
207         u8                              flags; \
208         u8                              specific_flags;
209
210 struct aml_resource_address {
211 AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
212
213 struct aml_resource_extended_address64 {
214         AML_RESOURCE_LARGE_HEADER_COMMON
215             AML_RESOURCE_ADDRESS_COMMON u8 revision_iD;
216         u8 reserved;
217         u64 granularity;
218         u64 minimum;
219         u64 maximum;
220         u64 translation_offset;
221         u64 address_length;
222         u64 type_specific;
223 };
224
225 #define AML_RESOURCE_EXTENDED_ADDRESS_REVISION          1       /* ACPI 3.0 */
226
227 struct aml_resource_address64 {
228         AML_RESOURCE_LARGE_HEADER_COMMON
229             AML_RESOURCE_ADDRESS_COMMON u64 granularity;
230         u64 minimum;
231         u64 maximum;
232         u64 translation_offset;
233         u64 address_length;
234 };
235
236 struct aml_resource_address32 {
237         AML_RESOURCE_LARGE_HEADER_COMMON
238             AML_RESOURCE_ADDRESS_COMMON u32 granularity;
239         u32 minimum;
240         u32 maximum;
241         u32 translation_offset;
242         u32 address_length;
243 };
244
245 struct aml_resource_address16 {
246         AML_RESOURCE_LARGE_HEADER_COMMON
247             AML_RESOURCE_ADDRESS_COMMON u16 granularity;
248         u16 minimum;
249         u16 maximum;
250         u16 translation_offset;
251         u16 address_length;
252 };
253
254 struct aml_resource_extended_irq {
255         AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
256         u8 interrupt_count;
257         u32 interrupts[1];
258         /* res_source_index, res_source optional fields follow */
259 };
260
261 struct aml_resource_generic_register {
262         AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
263         u8 bit_width;
264         u8 bit_offset;
265         u8 access_size;         /* ACPI 3.0, was previously Reserved */
266         u64 address;
267 };
268
269 /* restore default alignment */
270
271 #pragma pack()
272
273 /* Union of all resource descriptors, so we can allocate the worst case */
274
275 union aml_resource {
276         /* Descriptor headers */
277
278         u8 descriptor_type;
279         struct aml_resource_small_header small_header;
280         struct aml_resource_large_header large_header;
281
282         /* Small resource descriptors */
283
284         struct aml_resource_irq irq;
285         struct aml_resource_dma dma;
286         struct aml_resource_start_dependent start_dpf;
287         struct aml_resource_end_dependent end_dpf;
288         struct aml_resource_io io;
289         struct aml_resource_fixed_io fixed_io;
290         struct aml_resource_vendor_small vendor_small;
291         struct aml_resource_end_tag end_tag;
292
293         /* Large resource descriptors */
294
295         struct aml_resource_memory24 memory24;
296         struct aml_resource_generic_register generic_reg;
297         struct aml_resource_vendor_large vendor_large;
298         struct aml_resource_memory32 memory32;
299         struct aml_resource_fixed_memory32 fixed_memory32;
300         struct aml_resource_address16 address16;
301         struct aml_resource_address32 address32;
302         struct aml_resource_address64 address64;
303         struct aml_resource_extended_address64 ext_address64;
304         struct aml_resource_extended_irq extended_irq;
305
306         /* Utility overlays */
307
308         struct aml_resource_address address;
309         u32 u32_item;
310         u16 u16_item;
311         u8 U8item;
312 };
313
314 #endif