xref: /openbmc/linux/drivers/acpi/acpica/acpredef.h (revision 615c36f5)
1 /******************************************************************************
2  *
3  * Name: acpredef - Information table for ACPI predefined methods and objects
4  *              $Revision: 1.1 $
5  *
6  *****************************************************************************/
7 
8 /*
9  * Copyright (C) 2000 - 2011, Intel Corp.
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 #ifndef __ACPREDEF_H__
46 #define __ACPREDEF_H__
47 
48 /******************************************************************************
49  *
50  * Return Package types
51  *
52  * 1) PTYPE1 packages do not contain sub-packages.
53  *
54  * ACPI_PTYPE1_FIXED: Fixed length, 1 or 2 object types:
55  *      object type
56  *      count
57  *      object type
58  *      count
59  *
60  * ACPI_PTYPE1_VAR: Variable length:
61  *      object type (Int/Buf/Ref)
62  *
63  * ACPI_PTYPE1_OPTION: Package has some required and some optional elements
64  *      (Used for _PRW)
65  *
66  *
67  * 2) PTYPE2 packages contain a Variable-length number of sub-packages. Each
68  *    of the different types describe the contents of each of the sub-packages.
69  *
70  * ACPI_PTYPE2: Each subpackage contains 1 or 2 object types:
71  *      object type
72  *      count
73  *      object type
74  *      count
75  *      (Used for _ALR,_MLS,_PSS,_TRT,_TSS)
76  *
77  * ACPI_PTYPE2_COUNT: Each subpackage has a count as first element:
78  *      object type
79  *      (Used for _CSD,_PSD,_TSD)
80  *
81  * ACPI_PTYPE2_PKG_COUNT: Count of subpackages at start, 1 or 2 object types:
82  *      object type
83  *      count
84  *      object type
85  *      count
86  *      (Used for _CST)
87  *
88  * ACPI_PTYPE2_FIXED: Each subpackage is of fixed length
89  *      (Used for _PRT)
90  *
91  * ACPI_PTYPE2_MIN: Each subpackage has a variable but minimum length
92  *      (Used for _HPX)
93  *
94  * ACPI_PTYPE2_REV_FIXED: Revision at start, each subpackage is Fixed-length
95  *      (Used for _ART, _FPS)
96  *
97  *****************************************************************************/
98 
99 enum acpi_return_package_types {
100 	ACPI_PTYPE1_FIXED = 1,
101 	ACPI_PTYPE1_VAR = 2,
102 	ACPI_PTYPE1_OPTION = 3,
103 	ACPI_PTYPE2 = 4,
104 	ACPI_PTYPE2_COUNT = 5,
105 	ACPI_PTYPE2_PKG_COUNT = 6,
106 	ACPI_PTYPE2_FIXED = 7,
107 	ACPI_PTYPE2_MIN = 8,
108 	ACPI_PTYPE2_REV_FIXED = 9
109 };
110 
111 #ifdef ACPI_CREATE_PREDEFINED_TABLE
112 /*
113  * Predefined method/object information table.
114  *
115  * These are the names that can actually be evaluated via acpi_evaluate_object.
116  * Not present in this table are the following:
117  *
118  *      1) Predefined/Reserved names that are never evaluated via acpi_evaluate_object:
119  *          _Lxx and _Exx GPE methods
120  *          _Qxx EC methods
121  *          _T_x compiler temporary variables
122  *
123  *      2) Predefined names that never actually exist within the AML code:
124  *          Predefined resource descriptor field names
125  *
126  *      3) Predefined names that are implemented within ACPICA:
127  *          _OSI
128  *
129  *      4) Some predefined names that are not documented within the ACPI spec.
130  *          _WDG, _WED
131  *
132  * The main entries in the table each contain the following items:
133  *
134  * Name                 - The ACPI reserved name
135  * param_count          - Number of arguments to the method
136  * expected_btypes      - Allowed type(s) for the return value.
137  *                        0 means that no return value is expected.
138  *
139  * For methods that return packages, the next entry in the table contains
140  * information about the expected structure of the package. This information
141  * is saved here (rather than in a separate table) in order to minimize the
142  * overall size of the stored data.
143  */
144 static const union acpi_predefined_info predefined_names[] =
145 {
146 	{{"_AC0", 0, ACPI_RTYPE_INTEGER}},
147 	{{"_AC1", 0, ACPI_RTYPE_INTEGER}},
148 	{{"_AC2", 0, ACPI_RTYPE_INTEGER}},
149 	{{"_AC3", 0, ACPI_RTYPE_INTEGER}},
150 	{{"_AC4", 0, ACPI_RTYPE_INTEGER}},
151 	{{"_AC5", 0, ACPI_RTYPE_INTEGER}},
152 	{{"_AC6", 0, ACPI_RTYPE_INTEGER}},
153 	{{"_AC7", 0, ACPI_RTYPE_INTEGER}},
154 	{{"_AC8", 0, ACPI_RTYPE_INTEGER}},
155 	{{"_AC9", 0, ACPI_RTYPE_INTEGER}},
156 	{{"_ADR", 0, ACPI_RTYPE_INTEGER}},
157 	{{"_AL0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
158 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
159 
160 	{{"_AL1", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
161 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
162 
163 	{{"_AL2", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
164 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
165 
166 	{{"_AL3", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
167 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
168 
169 	{{"_AL4", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
170 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
171 
172 	{{"_AL5", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
173 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
174 
175 	{{"_AL6", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
176 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
177 
178 	{{"_AL7", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
179 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
180 
181 	{{"_AL8", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
182 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
183 
184 	{{"_AL9", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
185 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
186 
187 	{{"_ALC", 0, ACPI_RTYPE_INTEGER}},
188 	{{"_ALI", 0, ACPI_RTYPE_INTEGER}},
189 	{{"_ALP", 0, ACPI_RTYPE_INTEGER}},
190 	{{"_ALR", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2 (Ints) */
191 			  {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 2,0}, 0,0}},
192 
193 	{{"_ALT", 0, ACPI_RTYPE_INTEGER}},
194 	{{"_ART", 0, ACPI_RTYPE_PACKAGE}},	/* Variable-length (1 Int(rev), n Pkg (2 Ref/11 Int) */
195 	{{{ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER},
196 	  11, 0}},
197 
198 	{{"_BBN", 0, ACPI_RTYPE_INTEGER}},
199 	{{"_BCL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
200 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
201 
202 	{{"_BCM", 1, 0}},
203 	{{"_BCT", 1, ACPI_RTYPE_INTEGER}},
204 	{{"_BDN", 0, ACPI_RTYPE_INTEGER}},
205 	{{"_BFS", 1, 0}},
206 	{{"_BIF", 0, ACPI_RTYPE_PACKAGE} }, /* Fixed-length (9 Int),(4 Str/Buf) */
207 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9,
208 			     ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}, 4, 0} },
209 
210 	{{"_BIX", 0, ACPI_RTYPE_PACKAGE}},	/* Fixed-length (16 Int),(4 Str) */
211 	{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING}, 4,
212 	  0}},
213 
214 	{{"_BLT", 3, 0}},
215 	{{"_BMA", 1, ACPI_RTYPE_INTEGER}},
216 	{{"_BMC", 1, 0}},
217 	{{"_BMD", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (5 Int) */
218 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
219 
220 	{{"_BMS", 1, ACPI_RTYPE_INTEGER}},
221 	{{"_BQC", 0, ACPI_RTYPE_INTEGER}},
222 	{{"_BST", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
223 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
224 
225 	{{"_BTM", 1, ACPI_RTYPE_INTEGER}},
226 	{{"_BTP", 1, 0}},
227 	{{"_CBA", 0, ACPI_RTYPE_INTEGER}}, /* See PCI firmware spec 3.0 */
228 	{{"_CDM", 0, ACPI_RTYPE_INTEGER}},
229 	{{"_CID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Strs) */
230 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0,0}, 0,0}},
231 
232 	{{"_CRS", 0, ACPI_RTYPE_BUFFER}},
233 	{{"_CRT", 0, ACPI_RTYPE_INTEGER}},
234 	{{"_CSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n-1 Int) */
235 			  {{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
236 
237 	{{"_CST", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n Pkg (1 Buf/3 Int) */
238 			  {{{ACPI_PTYPE2_PKG_COUNT,ACPI_RTYPE_BUFFER, 1, ACPI_RTYPE_INTEGER}, 3,0}},
239 
240 	{{"_DCK", 1, ACPI_RTYPE_INTEGER}},
241 	{{"_DCS", 0, ACPI_RTYPE_INTEGER}},
242 	{{"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}},
243 	{{"_DDN", 0, ACPI_RTYPE_STRING}},
244 	{{"_DGS", 0, ACPI_RTYPE_INTEGER}},
245 	{{"_DIS", 0, 0}},
246 	{{"_DMA", 0, ACPI_RTYPE_BUFFER}},
247 	{{"_DOD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
248 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
249 
250 	{{"_DOS", 1, 0}},
251 	{{"_DSM", 4, ACPI_RTYPE_ALL}},     /* Must return a type, but it can be of any type */
252 	{{"_DSS", 1, 0}},
253 	{{"_DSW", 3, 0}},
254 	{{"_DTI", 1, 0}},
255 	{{"_EC_", 0, ACPI_RTYPE_INTEGER}},
256 	{{"_EDL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs)*/
257 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
258 
259 	{{"_EJ0", 1, 0}},
260 	{{"_EJ1", 1, 0}},
261 	{{"_EJ2", 1, 0}},
262 	{{"_EJ3", 1, 0}},
263 	{{"_EJ4", 1, 0}},
264 	{{"_EJD", 0, ACPI_RTYPE_STRING}},
265 	{{"_FDE", 0, ACPI_RTYPE_BUFFER}},
266 	{{"_FDI", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int) */
267 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16,0}, 0,0}},
268 
269 	{{"_FDM", 1, 0}},
270 	{{"_FIF", 0, ACPI_RTYPE_PACKAGE}},	/* Fixed-length (4 Int) */
271 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0}, 0, 0}},
272 
273 	{{"_FIX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
274 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
275 
276 	{{"_FPS", 0, ACPI_RTYPE_PACKAGE}},	/* Variable-length (1 Int(rev), n Pkg (5 Int) */
277 	{{{ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_INTEGER, 5, 0}, 0, 0}},
278 
279 	{{"_FSL", 1, 0}},
280 	{{"_FST", 0, ACPI_RTYPE_PACKAGE}},	/* Fixed-length (3 Int) */
281 	{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0}, 0, 0}},
282 
283 	{{"_GAI", 0, ACPI_RTYPE_INTEGER}},
284 	{{"_GHL", 0, ACPI_RTYPE_INTEGER}},
285 	{{"_GLK", 0, ACPI_RTYPE_INTEGER}},
286 	{{"_GPD", 0, ACPI_RTYPE_INTEGER}},
287 	{{"_GPE", 0, ACPI_RTYPE_INTEGER}}, /* _GPE method, not _GPE scope */
288 	{{"_GSB", 0, ACPI_RTYPE_INTEGER}},
289 	{{"_GTF", 0, ACPI_RTYPE_BUFFER}},
290 	{{"_GTM", 0, ACPI_RTYPE_BUFFER}},
291 	{{"_GTS", 1, 0}},
292 	{{"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
293 	{{"_HOT", 0, ACPI_RTYPE_INTEGER}},
294 	{{"_HPP", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
295 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
296 
297 	/*
298 	 * For _HPX, a single package is returned, containing a Variable-length number
299 	 * of sub-packages. Each sub-package contains a PCI record setting.
300 	 * There are several different type of record settings, of different
301 	 * lengths, but all elements of all settings are Integers.
302 	 */
303 	{{"_HPX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (var Ints) */
304 			  {{{ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
305 
306 	{{"_IFT", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
307 	{{"_INI", 0, 0}},
308 	{{"_IRC", 0, 0}},
309 	{{"_LCK", 1, 0}},
310 	{{"_LID", 0, ACPI_RTYPE_INTEGER}},
311 	{{"_MAT", 0, ACPI_RTYPE_BUFFER}},
312 	{{"_MBM", 0, ACPI_RTYPE_PACKAGE}},	/* Fixed-length (8 Int) */
313 	{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 8, 0}, 0, 0}},
314 
315 	{{"_MLS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (2 Str) */
316 			  {{{ACPI_PTYPE2, ACPI_RTYPE_STRING, 2,0}, 0,0}},
317 
318 	{{"_MSG", 1, 0}},
319 	{{"_MSM", 4, ACPI_RTYPE_INTEGER}},
320 	{{"_NTT", 0, ACPI_RTYPE_INTEGER}},
321 	{{"_OFF", 0, 0}},
322 	{{"_ON_", 0, 0}},
323 	{{"_OS_", 0, ACPI_RTYPE_STRING}},
324 	{{"_OSC", 4, ACPI_RTYPE_BUFFER}},
325 	{{"_OST", 3, 0}},
326 	{{"_PAI", 1, ACPI_RTYPE_INTEGER}},
327 	{{"_PCL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
328 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
329 
330 	{{"_PCT", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Buf) */
331 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2,0}, 0,0}},
332 
333 	{{"_PDC", 1, 0}},
334 	{{"_PDL", 0, ACPI_RTYPE_INTEGER}},
335 	{{"_PIC", 1, 0}},
336 	{{"_PIF", 0, ACPI_RTYPE_PACKAGE}},	/* Fixed-length (3 Int),(3 Str) */
337 	{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, ACPI_RTYPE_STRING}, 3, 0}},
338 
339 	{{"_PLD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Bufs) */
340 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_BUFFER, 0,0}, 0,0}},
341 
342 	{{"_PMC", 0, ACPI_RTYPE_PACKAGE}},	/* Fixed-length (11 Int),(3 Str) */
343 	{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 11, ACPI_RTYPE_STRING}, 3,
344 	  0}},
345 
346 	{{"_PMD", 0, ACPI_RTYPE_PACKAGE}},	/* Variable-length (Refs) */
347 	{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
348 
349 	{{"_PMM", 0, ACPI_RTYPE_INTEGER}},
350 	{{"_PPC", 0, ACPI_RTYPE_INTEGER}},
351 	{{"_PPE", 0, ACPI_RTYPE_INTEGER}}, /* See dig64 spec */
352 	{{"_PR0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
353 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
354 
355 	{{"_PR1", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
356 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
357 
358 	{{"_PR2", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
359 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
360 
361 	{{"_PR3", 0, ACPI_RTYPE_PACKAGE}},	/* Variable-length (Refs) */
362 	{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
363 
364 	{{"_PRL", 0, ACPI_RTYPE_PACKAGE}},	/* Variable-length (Refs) */
365 	{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
366 
367 	{{"_PRS", 0, ACPI_RTYPE_BUFFER}},
368 
369 	/*
370 	 * For _PRT, many BIOSs reverse the 3rd and 4th Package elements (Source
371 	 * and source_index). This bug is so prevalent that there is code in the
372 	 * ACPICA Resource Manager to detect this and switch them back. For now,
373 	 * do not allow and issue a warning. To allow this and eliminate the
374 	 * warning, add the ACPI_RTYPE_REFERENCE type to the 4th element (index 3)
375 	 * in the statement below.
376 	 */
377 	{{"_PRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (4): Int,Int,Int/Ref,Int */
378 			  {{{ACPI_PTYPE2_FIXED, 4, ACPI_RTYPE_INTEGER,ACPI_RTYPE_INTEGER},
379 			  ACPI_RTYPE_INTEGER | ACPI_RTYPE_REFERENCE,
380 			  ACPI_RTYPE_INTEGER}},
381 
382 	{{"_PRW", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each: Pkg/Int,Int,[Variable-length Refs] (Pkg is Ref/Int) */
383 			  {{{ACPI_PTYPE1_OPTION, 2, ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE,
384 			  ACPI_RTYPE_INTEGER}, ACPI_RTYPE_REFERENCE,0}},
385 
386 	{{"_PS0", 0, 0}},
387 	{{"_PS1", 0, 0}},
388 	{{"_PS2", 0, 0}},
389 	{{"_PS3", 0, 0}},
390 	{{"_PSC", 0, ACPI_RTYPE_INTEGER}},
391 	{{"_PSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (5 Int) with count */
392 			  {{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER,0,0}, 0,0}},
393 
394 	{{"_PSL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
395 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
396 
397 	{{"_PSR", 0, ACPI_RTYPE_INTEGER}},
398 	{{"_PSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (6 Int) */
399 			  {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 6,0}, 0,0}},
400 
401 	{{"_PSV", 0, ACPI_RTYPE_INTEGER}},
402 	{{"_PSW", 1, 0}},
403 	{{"_PTC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Buf) */
404 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2,0}, 0,0}},
405 
406 	{{"_PTP", 2, ACPI_RTYPE_INTEGER}},
407 	{{"_PTS", 1, 0}},
408 	{{"_PUR", 0, ACPI_RTYPE_PACKAGE}},	/* Fixed-length (2 Int) */
409 	{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2, 0}, 0, 0}},
410 
411 	{{"_PXM", 0, ACPI_RTYPE_INTEGER}},
412 	{{"_REG", 2, 0}},
413 	{{"_REV", 0, ACPI_RTYPE_INTEGER}},
414 	{{"_RMV", 0, ACPI_RTYPE_INTEGER}},
415 	{{"_ROM", 2, ACPI_RTYPE_BUFFER}},
416 	{{"_RTV", 0, ACPI_RTYPE_INTEGER}},
417 
418 	/*
419 	 * For _S0_ through _S5_, the ACPI spec defines a return Package
420 	 * containing 1 Integer, but most DSDTs have it wrong - 2,3, or 4 integers.
421 	 * Allow this by making the objects "Variable-length length", but all elements
422 	 * must be Integers.
423 	 */
424 	{{"_S0_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
425 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
426 
427 	{{"_S1_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
428 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
429 
430 	{{"_S2_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
431 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
432 
433 	{{"_S3_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
434 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
435 
436 	{{"_S4_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
437 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
438 
439 	{{"_S5_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
440 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
441 
442 	{{"_S1D", 0, ACPI_RTYPE_INTEGER}},
443 	{{"_S2D", 0, ACPI_RTYPE_INTEGER}},
444 	{{"_S3D", 0, ACPI_RTYPE_INTEGER}},
445 	{{"_S4D", 0, ACPI_RTYPE_INTEGER}},
446 	{{"_S0W", 0, ACPI_RTYPE_INTEGER}},
447 	{{"_S1W", 0, ACPI_RTYPE_INTEGER}},
448 	{{"_S2W", 0, ACPI_RTYPE_INTEGER}},
449 	{{"_S3W", 0, ACPI_RTYPE_INTEGER}},
450 	{{"_S4W", 0, ACPI_RTYPE_INTEGER}},
451 	{{"_SBS", 0, ACPI_RTYPE_INTEGER}},
452 	{{"_SCP", 0x13, 0}},               /* Acpi 1.0 allowed 1 arg. Acpi 3.0 expanded to 3 args. Allow both. */
453 			   /* Note: the 3-arg definition may be removed for ACPI 4.0 */
454 	{{"_SDD", 1, 0}},
455 	{{"_SEG", 0, ACPI_RTYPE_INTEGER}},
456 	{{"_SHL", 1, ACPI_RTYPE_INTEGER}},
457 	{{"_SLI", 0, ACPI_RTYPE_BUFFER}},
458 	{{"_SPD", 1, ACPI_RTYPE_INTEGER}},
459 	{{"_SRS", 1, 0}},
460 	{{"_SRV", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
461 	{{"_SST", 1, 0}},
462 	{{"_STA", 0, ACPI_RTYPE_INTEGER}},
463 	{{"_STM", 3, 0}},
464 	{{"_STP", 2, ACPI_RTYPE_INTEGER}},
465 	{{"_STR", 0, ACPI_RTYPE_BUFFER}},
466 	{{"_STV", 2, ACPI_RTYPE_INTEGER}},
467 	{{"_SUN", 0, ACPI_RTYPE_INTEGER}},
468 	{{"_SWS", 0, ACPI_RTYPE_INTEGER}},
469 	{{"_TC1", 0, ACPI_RTYPE_INTEGER}},
470 	{{"_TC2", 0, ACPI_RTYPE_INTEGER}},
471 	{{"_TDL", 0, ACPI_RTYPE_INTEGER}},
472 	{{"_TIP", 1, ACPI_RTYPE_INTEGER}},
473 	{{"_TIV", 1, ACPI_RTYPE_INTEGER}},
474 	{{"_TMP", 0, ACPI_RTYPE_INTEGER}},
475 	{{"_TPC", 0, ACPI_RTYPE_INTEGER}},
476 	{{"_TPT", 1, 0}},
477 	{{"_TRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2_ref/6_int */
478 			  {{{ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER}, 6, 0}},
479 
480 	{{"_TSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5_int with count */
481 			  {{{ACPI_PTYPE2_COUNT,ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
482 
483 	{{"_TSP", 0, ACPI_RTYPE_INTEGER}},
484 	{{"_TSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5_int */
485 			  {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
486 
487 	{{"_TST", 0, ACPI_RTYPE_INTEGER}},
488 	{{"_TTS", 1, 0}},
489 	{{"_TZD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
490 			  {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
491 
492 	{{"_TZM", 0, ACPI_RTYPE_REFERENCE}},
493 	{{"_TZP", 0, ACPI_RTYPE_INTEGER}},
494 	{{"_UID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
495 	{{"_UPC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
496 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
497 
498 	{{"_UPD", 0, ACPI_RTYPE_INTEGER}},
499 	{{"_UPP", 0, ACPI_RTYPE_INTEGER}},
500 	{{"_VPO", 0, ACPI_RTYPE_INTEGER}},
501 
502 	/* Acpi 1.0 defined _WAK with no return value. Later, it was changed to return a package */
503 
504 	{{"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}},
505 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */
506 
507 	/* _WDG/_WED are MS extensions defined by "Windows Instrumentation" */
508 
509 	{{"_WDG", 0, ACPI_RTYPE_BUFFER}},
510 	{{"_WED", 1,
511 	  ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}},
512 
513 	{{{0, 0, 0, 0}, 0, 0}}  /* Table terminator */
514 };
515 
516 #if 0
517 	/* This is an internally implemented control method, no need to check */
518 	{{"_OSI", 1, ACPI_RTYPE_INTEGER}},
519 
520 	/* TBD: */
521 
522 	_PRT - currently ignore reversed entries. attempt to fix here?
523 	think about possibly fixing package elements like _BIF, etc.
524 #endif
525 
526 #endif
527 #endif
528