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1498 serge 1
/*******************************************************************************
2
 *
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 * Module Name: rsio - IO and DMA resource descriptors
4
 *
5
 ******************************************************************************/
6
 
7
/******************************************************************************
8
 *
9
 * 1. Copyright Notice
10
 *
2216 Serge 11
 * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
1498 serge 12
 * All rights reserved.
13
 *
14
 * 2. License
15
 *
16
 * 2.1. This is your license from Intel Corp. under its intellectual property
17
 * rights.  You may have additional license terms from the party that provided
18
 * you this software, covering your right to use that party's intellectual
19
 * property rights.
20
 *
21
 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22
 * copy of the source code appearing in this file ("Covered Code") an
23
 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24
 * base code distributed originally by Intel ("Original Intel Code") to copy,
25
 * make derivatives, distribute, use and display any portion of the Covered
26
 * Code in any form, with the right to sublicense such rights; and
27
 *
28
 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29
 * license (with the right to sublicense), under only those claims of Intel
30
 * patents that are infringed by the Original Intel Code, to make, use, sell,
31
 * offer to sell, and import the Covered Code and derivative works thereof
32
 * solely to the minimum extent necessary to exercise the above copyright
33
 * license, and in no event shall the patent license extend to any additions
34
 * to or modifications of the Original Intel Code.  No other license or right
35
 * is granted directly or by implication, estoppel or otherwise;
36
 *
37
 * The above copyright and patent license is granted only if the following
38
 * conditions are met:
39
 *
40
 * 3. Conditions
41
 *
42
 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43
 * Redistribution of source code of any substantial portion of the Covered
44
 * Code or modification with rights to further distribute source must include
45
 * the above Copyright Notice, the above License, this list of Conditions,
46
 * and the following Disclaimer and Export Compliance provision.  In addition,
47
 * Licensee must cause all Covered Code to which Licensee contributes to
48
 * contain a file documenting the changes Licensee made to create that Covered
49
 * Code and the date of any change.  Licensee must include in that file the
50
 * documentation of any changes made by any predecessor Licensee.  Licensee
51
 * must include a prominent statement that the modification is derived,
52
 * directly or indirectly, from Original Intel Code.
53
 *
54
 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55
 * Redistribution of source code of any substantial portion of the Covered
56
 * Code or modification without rights to further distribute source must
57
 * include the following Disclaimer and Export Compliance provision in the
58
 * documentation and/or other materials provided with distribution.  In
59
 * addition, Licensee may not authorize further sublicense of source of any
60
 * portion of the Covered Code, and must include terms to the effect that the
61
 * license from Licensee to its licensee is limited to the intellectual
62
 * property embodied in the software Licensee provides to its licensee, and
63
 * not to intellectual property embodied in modifications its licensee may
64
 * make.
65
 *
66
 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67
 * substantial portion of the Covered Code or modification must reproduce the
68
 * above Copyright Notice, and the following Disclaimer and Export Compliance
69
 * provision in the documentation and/or other materials provided with the
70
 * distribution.
71
 *
72
 * 3.4. Intel retains all right, title, and interest in and to the Original
73
 * Intel Code.
74
 *
75
 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76
 * Intel shall be used in advertising or otherwise to promote the sale, use or
77
 * other dealings in products derived from or relating to the Covered Code
78
 * without prior written authorization from Intel.
79
 *
80
 * 4. Disclaimer and Export Compliance
81
 *
82
 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83
 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84
 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
85
 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
86
 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
87
 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88
 * PARTICULAR PURPOSE.
89
 *
90
 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91
 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92
 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93
 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94
 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95
 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
96
 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97
 * LIMITED REMEDY.
98
 *
99
 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100
 * software or system incorporating such software without first obtaining any
101
 * required license or other approval from the U. S. Department of Commerce or
102
 * any other agency or department of the United States Government.  In the
103
 * event Licensee exports any such software from the United States or
104
 * re-exports any such software from a foreign destination, Licensee shall
105
 * ensure that the distribution and export/re-export of the software is in
106
 * compliance with all laws, regulations, orders, or other restrictions of the
107
 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108
 * any of its subsidiaries will export/re-export any technical data, process,
109
 * software, or service, directly or indirectly, to any country for which the
110
 * United States government or any agency thereof requires an export license,
111
 * other governmental approval, or letter of assurance, without first obtaining
112
 * such license, approval or letter.
113
 *
114
 *****************************************************************************/
115
 
116
#define __RSIO_C__
117
 
118
#include "acpi.h"
119
#include "accommon.h"
120
#include "acresrc.h"
121
 
122
#define _COMPONENT          ACPI_RESOURCES
123
        ACPI_MODULE_NAME    ("rsio")
124
 
125
 
126
/*******************************************************************************
127
 *
128
 * AcpiRsConvertIo
129
 *
130
 ******************************************************************************/
131
 
132
ACPI_RSCONVERT_INFO     AcpiRsConvertIo[5] =
133
{
134
    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_IO,
135
                        ACPI_RS_SIZE (ACPI_RESOURCE_IO),
136
                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertIo)},
137
 
138
    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_IO,
139
                        sizeof (AML_RESOURCE_IO),
140
                        0},
141
 
142
    /* Decode flag */
143
 
144
    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Io.IoDecode),
145
                        AML_OFFSET (Io.Flags),
146
                        0},
147
    /*
148
     * These fields are contiguous in both the source and destination:
149
     * Address Alignment
150
     * Length
151
     * Minimum Base Address
152
     * Maximum Base Address
153
     */
154
    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Io.Alignment),
155
                        AML_OFFSET (Io.Alignment),
156
                        2},
157
 
158
    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Io.Minimum),
159
                        AML_OFFSET (Io.Minimum),
160
                        2}
161
};
162
 
163
 
164
/*******************************************************************************
165
 *
166
 * AcpiRsConvertFixedIo
167
 *
168
 ******************************************************************************/
169
 
170
ACPI_RSCONVERT_INFO     AcpiRsConvertFixedIo[4] =
171
{
172
    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_IO,
173
                        ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_IO),
174
                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedIo)},
175
 
176
    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_IO,
177
                        sizeof (AML_RESOURCE_FIXED_IO),
178
                        0},
179
    /*
180
     * These fields are contiguous in both the source and destination:
181
     * Base Address
182
     * Length
183
     */
184
    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.FixedIo.AddressLength),
185
                        AML_OFFSET (FixedIo.AddressLength),
186
                        1},
187
 
188
    {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.FixedIo.Address),
189
                        AML_OFFSET (FixedIo.Address),
190
                        1}
191
};
192
 
193
 
194
/*******************************************************************************
195
 *
196
 * AcpiRsConvertGenericReg
197
 *
198
 ******************************************************************************/
199
 
200
ACPI_RSCONVERT_INFO     AcpiRsConvertGenericReg[4] =
201
{
202
    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_GENERIC_REGISTER,
203
                        ACPI_RS_SIZE (ACPI_RESOURCE_GENERIC_REGISTER),
204
                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertGenericReg)},
205
 
206
    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_GENERIC_REGISTER,
207
                        sizeof (AML_RESOURCE_GENERIC_REGISTER),
208
                        0},
209
    /*
210
     * These fields are contiguous in both the source and destination:
211
     * Address Space ID
212
     * Register Bit Width
213
     * Register Bit Offset
214
     * Access Size
215
     */
216
    {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.GenericReg.SpaceId),
217
                        AML_OFFSET (GenericReg.AddressSpaceId),
218
                        4},
219
 
220
    /* Get the Register Address */
221
 
222
    {ACPI_RSC_MOVE64,   ACPI_RS_OFFSET (Data.GenericReg.Address),
223
                        AML_OFFSET (GenericReg.Address),
224
                        1}
225
};
226
 
227
 
228
/*******************************************************************************
229
 *
230
 * AcpiRsConvertEndDpf
231
 *
232
 ******************************************************************************/
233
 
234
ACPI_RSCONVERT_INFO   AcpiRsConvertEndDpf[2] =
235
{
236
    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_END_DEPENDENT,
237
                        ACPI_RS_SIZE_MIN,
238
                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndDpf)},
239
 
240
    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_END_DEPENDENT,
241
                        sizeof (AML_RESOURCE_END_DEPENDENT),
242
                        0}
243
};
244
 
245
 
246
/*******************************************************************************
247
 *
248
 * AcpiRsConvertEndTag
249
 *
250
 ******************************************************************************/
251
 
252
ACPI_RSCONVERT_INFO   AcpiRsConvertEndTag[2] =
253
{
254
    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_END_TAG,
255
                        ACPI_RS_SIZE_MIN,
256
                        ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndTag)},
257
 
258
    /*
259
     * Note: The checksum field is set to zero, meaning that the resource
260
     * data is treated as if the checksum operation succeeded.
261
     * (ACPI Spec 1.0b Section 6.4.2.8)
262
     */
263
    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_END_TAG,
264
                        sizeof (AML_RESOURCE_END_TAG),
265
                        0}
266
};
267
 
268
 
269
/*******************************************************************************
270
 *
271
 * AcpiRsGetStartDpf
272
 *
273
 ******************************************************************************/
274
 
275
ACPI_RSCONVERT_INFO   AcpiRsGetStartDpf[6] =
276
{
277
    {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_START_DEPENDENT,
278
                        ACPI_RS_SIZE (ACPI_RESOURCE_START_DEPENDENT),
279
                        ACPI_RSC_TABLE_SIZE (AcpiRsGetStartDpf)},
280
 
281
    /* Defaults for Compatibility and Performance priorities */
282
 
283
    {ACPI_RSC_SET8,     ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
284
                        ACPI_ACCEPTABLE_CONFIGURATION,
285
                        2},
286
 
287
    /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */
288
 
289
    {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.DescriptorLength),
290
                        AML_OFFSET (StartDpf.DescriptorType),
291
                        0},
292
 
293
    /* All done if there is no flag byte present in the descriptor */
294
 
295
    {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_AML_LENGTH, 0, 1},
296
 
297
    /* Flag byte is present, get the flags */
298
 
299
    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
300
                        AML_OFFSET (StartDpf.Flags),
301
                        0},
302
 
303
    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
304
                        AML_OFFSET (StartDpf.Flags),
305
                        2}
306
};
307
 
308
 
309
/*******************************************************************************
310
 *
311
 * AcpiRsSetStartDpf
312
 *
313
 ******************************************************************************/
314
 
315
ACPI_RSCONVERT_INFO   AcpiRsSetStartDpf[10] =
316
{
317
    /* Start with a default descriptor of length 1 */
318
 
319
    {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_START_DEPENDENT,
320
                        sizeof (AML_RESOURCE_START_DEPENDENT),
321
                        ACPI_RSC_TABLE_SIZE (AcpiRsSetStartDpf)},
322
 
323
    /* Set the default flag values */
324
 
325
    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
326
                        AML_OFFSET (StartDpf.Flags),
327
                        0},
328
 
329
    {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
330
                        AML_OFFSET (StartDpf.Flags),
331
                        2},
332
    /*
333
     * All done if the output descriptor length is required to be 1
334
     * (i.e., optimization to 0 bytes cannot be attempted)
335
     */
336
    {ACPI_RSC_EXIT_EQ,  ACPI_RSC_COMPARE_VALUE,
337
                        ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength),
338
                        1},
339
 
340
    /* Set length to 0 bytes (no flags byte) */
341
 
342
    {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)},
343
 
344
    /*
345
     * All done if the output descriptor length is required to be 0.
346
     *
347
     * TBD: Perhaps we should check for error if input flags are not
348
     * compatible with a 0-byte descriptor.
349
     */
350
    {ACPI_RSC_EXIT_EQ,  ACPI_RSC_COMPARE_VALUE,
351
                        ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength),
352
                        0},
353
 
354
    /* Reset length to 1 byte (descriptor with flags byte) */
355
 
356
    {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_START_DEPENDENT)},
357
 
358
 
359
    /*
360
     * All done if flags byte is necessary -- if either priority value
361
     * is not ACPI_ACCEPTABLE_CONFIGURATION
362
     */
363
    {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
364
                        ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
365
                        ACPI_ACCEPTABLE_CONFIGURATION},
366
 
367
    {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
368
                        ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
369
                        ACPI_ACCEPTABLE_CONFIGURATION},
370
 
371
    /* Flag byte is not necessary */
372
 
373
    {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)}
374
};
375