1 /*******************************************************************************
3 * Module Name: rsio - IO and DMA resource descriptors
5 ******************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2015, Intel Corp.
12 * All rights reserved.
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
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
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;
37 * The above copyright and patent license is granted only if the following
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.
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
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
72 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
80 * 4. Disclaimer and Export Compliance
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
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
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.
114 *****************************************************************************/
117 #include "accommon.h"
120 #define _COMPONENT ACPI_RESOURCES
121 ACPI_MODULE_NAME ("rsio")
124 /*******************************************************************************
128 ******************************************************************************/
130 ACPI_RSCONVERT_INFO AcpiRsConvertIo[5] =
132 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO,
133 ACPI_RS_SIZE (ACPI_RESOURCE_IO),
134 ACPI_RSC_TABLE_SIZE (AcpiRsConvertIo)},
136 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO,
137 sizeof (AML_RESOURCE_IO),
142 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Io.IoDecode),
143 AML_OFFSET (Io.Flags),
146 * These fields are contiguous in both the source and destination:
149 * Minimum Base Address
150 * Maximum Base Address
152 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.Io.Alignment),
153 AML_OFFSET (Io.Alignment),
156 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.Io.Minimum),
157 AML_OFFSET (Io.Minimum),
162 /*******************************************************************************
164 * AcpiRsConvertFixedIo
166 ******************************************************************************/
168 ACPI_RSCONVERT_INFO AcpiRsConvertFixedIo[4] =
170 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO,
171 ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_IO),
172 ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedIo)},
174 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO,
175 sizeof (AML_RESOURCE_FIXED_IO),
178 * These fields are contiguous in both the source and destination:
182 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedIo.AddressLength),
183 AML_OFFSET (FixedIo.AddressLength),
186 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedIo.Address),
187 AML_OFFSET (FixedIo.Address),
192 /*******************************************************************************
194 * AcpiRsConvertGenericReg
196 ******************************************************************************/
198 ACPI_RSCONVERT_INFO AcpiRsConvertGenericReg[4] =
200 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER,
201 ACPI_RS_SIZE (ACPI_RESOURCE_GENERIC_REGISTER),
202 ACPI_RSC_TABLE_SIZE (AcpiRsConvertGenericReg)},
204 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER,
205 sizeof (AML_RESOURCE_GENERIC_REGISTER),
208 * These fields are contiguous in both the source and destination:
211 * Register Bit Offset
214 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.GenericReg.SpaceId),
215 AML_OFFSET (GenericReg.AddressSpaceId),
218 /* Get the Register Address */
220 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.GenericReg.Address),
221 AML_OFFSET (GenericReg.Address),
226 /*******************************************************************************
228 * AcpiRsConvertEndDpf
230 ******************************************************************************/
232 ACPI_RSCONVERT_INFO AcpiRsConvertEndDpf[2] =
234 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT,
236 ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndDpf)},
238 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT,
239 sizeof (AML_RESOURCE_END_DEPENDENT),
244 /*******************************************************************************
246 * AcpiRsConvertEndTag
248 ******************************************************************************/
250 ACPI_RSCONVERT_INFO AcpiRsConvertEndTag[2] =
252 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG,
254 ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndTag)},
257 * Note: The checksum field is set to zero, meaning that the resource
258 * data is treated as if the checksum operation succeeded.
259 * (ACPI Spec 1.0b Section 6.4.2.8)
261 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG,
262 sizeof (AML_RESOURCE_END_TAG),
267 /*******************************************************************************
271 ******************************************************************************/
273 ACPI_RSCONVERT_INFO AcpiRsGetStartDpf[6] =
275 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT,
276 ACPI_RS_SIZE (ACPI_RESOURCE_START_DEPENDENT),
277 ACPI_RSC_TABLE_SIZE (AcpiRsGetStartDpf)},
279 /* Defaults for Compatibility and Performance priorities */
281 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
282 ACPI_ACCEPTABLE_CONFIGURATION,
285 /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */
287 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.DescriptorLength),
288 AML_OFFSET (StartDpf.DescriptorType),
291 /* All done if there is no flag byte present in the descriptor */
293 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1},
295 /* Flag byte is present, get the flags */
297 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
298 AML_OFFSET (StartDpf.Flags),
301 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
302 AML_OFFSET (StartDpf.Flags),
307 /*******************************************************************************
311 ******************************************************************************/
313 ACPI_RSCONVERT_INFO AcpiRsSetStartDpf[10] =
315 /* Start with a default descriptor of length 1 */
317 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT,
318 sizeof (AML_RESOURCE_START_DEPENDENT),
319 ACPI_RSC_TABLE_SIZE (AcpiRsSetStartDpf)},
321 /* Set the default flag values */
323 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
324 AML_OFFSET (StartDpf.Flags),
327 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
328 AML_OFFSET (StartDpf.Flags),
331 * All done if the output descriptor length is required to be 1
332 * (i.e., optimization to 0 bytes cannot be attempted)
334 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
335 ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength),
338 /* Set length to 0 bytes (no flags byte) */
340 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)},
343 * All done if the output descriptor length is required to be 0.
345 * TBD: Perhaps we should check for error if input flags are not
346 * compatible with a 0-byte descriptor.
348 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
349 ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength),
352 /* Reset length to 1 byte (descriptor with flags byte) */
354 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT)},
358 * All done if flags byte is necessary -- if either priority value
359 * is not ACPI_ACCEPTABLE_CONFIGURATION
361 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
362 ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
363 ACPI_ACCEPTABLE_CONFIGURATION},
365 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
366 ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
367 ACPI_ACCEPTABLE_CONFIGURATION},
369 /* Flag byte is not necessary */
371 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)}