aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/acpica/amlresrc.h
blob: 7b070e42b7c5234fd0c11750db5c931384710c0a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311

/******************************************************************************
 *
 * Module Name: amlresrc.h - AML resource descriptors
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2008, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

/* acpisrc:struct_defs -- for acpisrc conversion */

#ifndef __AMLRESRC_H
#define __AMLRESRC_H

/*
 * Resource descriptor tags, as defined in the ACPI specification.
 * Used to symbolically reference fields within a descriptor.
 */
#define ACPI_RESTAG_ADDRESS                     "_ADR"
#define ACPI_RESTAG_ALIGNMENT                   "_ALN"
#define ACPI_RESTAG_ADDRESSSPACE                "_ASI"
#define ACPI_RESTAG_ACCESSSIZE                  "_ASZ"
#define ACPI_RESTAG_TYPESPECIFICATTRIBUTES      "_ATT"
#define ACPI_RESTAG_BASEADDRESS                 "_BAS"
#define ACPI_RESTAG_BUSMASTER                   "_BM_"	/* Master(1), Slave(0) */
#define ACPI_RESTAG_DECODE                      "_DEC"
#define ACPI_RESTAG_DMA                         "_DMA"
#define ACPI_RESTAG_DMATYPE                     "_TYP"	/* Compatible(0), A(1), B(2), F(3) */
#define ACPI_RESTAG_GRANULARITY                 "_GRA"
#define ACPI_RESTAG_INTERRUPT                   "_INT"
#define ACPI_RESTAG_INTERRUPTLEVEL              "_LL_"	/* active_lo(1), active_hi(0) */
#define ACPI_RESTAG_INTERRUPTSHARE              "_SHR"	/* Shareable(1), no_share(0) */
#define ACPI_RESTAG_INTERRUPTTYPE               "_HE_"	/* Edge(1), Level(0) */
#define ACPI_RESTAG_LENGTH                      "_LEN"
#define ACPI_RESTAG_MEMATTRIBUTES               "_MTP"	/* Memory(0), Reserved(1), ACPI(2), NVS(3) */
#define ACPI_RESTAG_MEMTYPE                     "_MEM"	/* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
#define ACPI_RESTAG_MAXADDR                     "_MAX"
#define ACPI_RESTAG_MINADDR                     "_MIN"
#define ACPI_RESTAG_MAXTYPE                     "_MAF"
#define ACPI_RESTAG_MINTYPE                     "_MIF"
#define ACPI_RESTAG_REGISTERBITOFFSET           "_RBO"
#define ACPI_RESTAG_REGISTERBITWIDTH            "_RBW"
#define ACPI_RESTAG_RANGETYPE                   "_RNG"
#define ACPI_RESTAG_READWRITETYPE               "_RW_"	/* read_only(0), Writeable (1) */
#define ACPI_RESTAG_TRANSLATION                 "_TRA"
#define ACPI_RESTAG_TRANSTYPE                   "_TRS"	/* Sparse(1), Dense(0) */
#define ACPI_RESTAG_TYPE                        "_TTP"	/* Translation(1), Static (0) */
#define ACPI_RESTAG_XFERTYPE                    "_SIZ"	/* 8(0), 8_and16(1), 16(2) */

/* Default sizes for "small" resource descriptors */

#define ASL_RDESC_IRQ_SIZE                      0x02
#define ASL_RDESC_DMA_SIZE                      0x02
#define ASL_RDESC_ST_DEPEND_SIZE                0x00
#define ASL_RDESC_END_DEPEND_SIZE               0x00
#define ASL_RDESC_IO_SIZE                       0x07
#define ASL_RDESC_FIXED_IO_SIZE                 0x03
#define ASL_RDESC_END_TAG_SIZE                  0x01

struct asl_resource_node {
	u32 buffer_length;
	void *buffer;
	struct asl_resource_node *next;
};

/* Macros used to generate AML resource length fields */

#define ACPI_AML_SIZE_LARGE(r)      (sizeof (r) - sizeof (struct aml_resource_large_header))
#define ACPI_AML_SIZE_SMALL(r)      (sizeof (r) - sizeof (struct aml_resource_small_header))

/*
 * Resource descriptors defined in the ACPI specification.
 *
 * Packing/alignment must be BYTE because these descriptors
 * are used to overlay the raw AML byte stream.
 */
#pragma pack(1)

/*
 * SMALL descriptors
 */
#define AML_RESOURCE_SMALL_HEADER_COMMON \
	u8                              descriptor_type;

struct aml_resource_small_header {
AML_RESOURCE_SMALL_HEADER_COMMON};

struct aml_resource_irq {
	AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
	u8 flags;
};

struct aml_resource_irq_noflags {
	AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
};

struct aml_resource_dma {
	AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
	u8 flags;
};

struct aml_resource_start_dependent {
	AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
};

struct aml_resource_start_dependent_noprio {
AML_RESOURCE_SMALL_HEADER_COMMON};

struct aml_resource_end_dependent {
AML_RESOURCE_SMALL_HEADER_COMMON};

struct aml_resource_io {
	AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
	u16 minimum;
	u16 maximum;
	u8 alignment;
	u8 address_length;
};

struct aml_resource_fixed_io {
	AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
	u8 address_length;
};

struct aml_resource_vendor_small {
AML_RESOURCE_SMALL_HEADER_COMMON};

struct aml_resource_end_tag {
	AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
};

/*
 * LARGE descriptors
 */
#define AML_RESOURCE_LARGE_HEADER_COMMON \
	u8                              descriptor_type;\
	u16                             resource_length;

struct aml_resource_large_header {
AML_RESOURCE_LARGE_HEADER_COMMON};

struct aml_resource_memory24 {
	AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
	u16 minimum;
	u16 maximum;
	u16 alignment;
	u16 address_length;
};

struct aml_resource_vendor_large {
AML_RESOURCE_LARGE_HEADER_COMMON};

struct aml_resource_memory32 {
	AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
	u32 minimum;
	u32 maximum;
	u32 alignment;
	u32 address_length;
};

struct aml_resource_fixed_memory32 {
	AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
	u32 address;
	u32 address_length;
};

#define AML_RESOURCE_ADDRESS_COMMON \
	u8                              resource_type; \
	u8                              flags; \
	u8                              specific_flags;

struct aml_resource_address {
AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};

struct aml_resource_extended_address64 {
	AML_RESOURCE_LARGE_HEADER_COMMON
	    AML_RESOURCE_ADDRESS_COMMON u8 revision_iD;
	u8 reserved;
	u64 granularity;
	u64 minimum;
	u64 maximum;
	u64 translation_offset;
	u64 address_length;
	u64 type_specific;
};

#define AML_RESOURCE_EXTENDED_ADDRESS_REVISION          1	/* ACPI 3.0 */

struct aml_resource_address64 {
	AML_RESOURCE_LARGE_HEADER_COMMON
	    AML_RESOURCE_ADDRESS_COMMON u64 granularity;
	u64 minimum;
	u64 maximum;
	u64 translation_offset;
	u64 address_length;
};

struct aml_resource_address32 {
	AML_RESOURCE_LARGE_HEADER_COMMON
	    AML_RESOURCE_ADDRESS_COMMON u32 granularity;
	u32 minimum;
	u32 maximum;
	u32 translation_offset;
	u32 address_length;
};

struct aml_resource_address16 {
	AML_RESOURCE_LARGE_HEADER_COMMON
	    AML_RESOURCE_ADDRESS_COMMON u16 granularity;
	u16 minimum;
	u16 maximum;
	u16 translation_offset;
	u16 address_length;
};

struct aml_resource_extended_irq {
	AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
	u8 interrupt_count;
	u32 interrupts[1];
	/* res_source_index, res_source optional fields follow */
};

struct aml_resource_generic_register {
	AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
	u8 bit_width;
	u8 bit_offset;
	u8 access_size;		/* ACPI 3.0, was previously Reserved */
	u64 address;
};

/* restore default alignment */

#pragma pack()

/* Union of all resource descriptors, so we can allocate the worst case */

union aml_resource {
	/* Descriptor headers */

	u8 descriptor_type;
	struct aml_resource_small_header small_header;
	struct aml_resource_large_header large_header;

	/* Small resource descriptors */

	struct aml_resource_irq irq;
	struct aml_resource_dma dma;
	struct aml_resource_start_dependent start_dpf;
	struct aml_resource_end_dependent end_dpf;
	struct aml_resource_io io;
	struct aml_resource_fixed_io fixed_io;
	struct aml_resource_vendor_small vendor_small;
	struct aml_resource_end_tag end_tag;

	/* Large resource descriptors */

	struct aml_resource_memory24 memory24;
	struct aml_resource_generic_register generic_reg;
	struct aml_resource_vendor_large vendor_large;
	struct aml_resource_memory32 memory32;
	struct aml_resource_fixed_memory32 fixed_memory32;
	struct aml_resource_address16 address16;
	struct aml_resource_address32 address32;
	struct aml_resource_address64 address64;
	struct aml_resource_extended_address64 ext_address64;
	struct aml_resource_extended_irq extended_irq;

	/* Utility overlays */

	struct aml_resource_address address;
	u32 dword_item;
	u16 word_item;
	u8 byte_item;
};

#endif