xref: /titanic_51/usr/src/uts/intel/io/acpica/resources/rsirq.c (revision c2cb63342c63c60cee771d1af82f377e34aa1217)
1 /*******************************************************************************
2  *
3  * Module Name: rsirq - IRQ resource descriptors
4  *              $Revision: 1.49 $
5  *
6  ******************************************************************************/
7 
8 /******************************************************************************
9  *
10  * 1. Copyright Notice
11  *
12  * Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp.
13  * All rights reserved.
14  *
15  * 2. License
16  *
17  * 2.1. This is your license from Intel Corp. under its intellectual property
18  * rights.  You may have additional license terms from the party that provided
19  * you this software, covering your right to use that party's intellectual
20  * property rights.
21  *
22  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23  * copy of the source code appearing in this file ("Covered Code") an
24  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25  * base code distributed originally by Intel ("Original Intel Code") to copy,
26  * make derivatives, distribute, use and display any portion of the Covered
27  * Code in any form, with the right to sublicense such rights; and
28  *
29  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30  * license (with the right to sublicense), under only those claims of Intel
31  * patents that are infringed by the Original Intel Code, to make, use, sell,
32  * offer to sell, and import the Covered Code and derivative works thereof
33  * solely to the minimum extent necessary to exercise the above copyright
34  * license, and in no event shall the patent license extend to any additions
35  * to or modifications of the Original Intel Code.  No other license or right
36  * is granted directly or by implication, estoppel or otherwise;
37  *
38  * The above copyright and patent license is granted only if the following
39  * conditions are met:
40  *
41  * 3. Conditions
42  *
43  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44  * Redistribution of source code of any substantial portion of the Covered
45  * Code or modification with rights to further distribute source must include
46  * the above Copyright Notice, the above License, this list of Conditions,
47  * and the following Disclaimer and Export Compliance provision.  In addition,
48  * Licensee must cause all Covered Code to which Licensee contributes to
49  * contain a file documenting the changes Licensee made to create that Covered
50  * Code and the date of any change.  Licensee must include in that file the
51  * documentation of any changes made by any predecessor Licensee.  Licensee
52  * must include a prominent statement that the modification is derived,
53  * directly or indirectly, from Original Intel Code.
54  *
55  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56  * Redistribution of source code of any substantial portion of the Covered
57  * Code or modification without rights to further distribute source must
58  * include the following Disclaimer and Export Compliance provision in the
59  * documentation and/or other materials provided with distribution.  In
60  * addition, Licensee may not authorize further sublicense of source of any
61  * portion of the Covered Code, and must include terms to the effect that the
62  * license from Licensee to its licensee is limited to the intellectual
63  * property embodied in the software Licensee provides to its licensee, and
64  * not to intellectual property embodied in modifications its licensee may
65  * make.
66  *
67  * 3.3. Redistribution of Executable. Redistribution in executable form of any
68  * substantial portion of the Covered Code or modification must reproduce the
69  * above Copyright Notice, and the following Disclaimer and Export Compliance
70  * provision in the documentation and/or other materials provided with the
71  * distribution.
72  *
73  * 3.4. Intel retains all right, title, and interest in and to the Original
74  * Intel Code.
75  *
76  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77  * Intel shall be used in advertising or otherwise to promote the sale, use or
78  * other dealings in products derived from or relating to the Covered Code
79  * without prior written authorization from Intel.
80  *
81  * 4. Disclaimer and Export Compliance
82  *
83  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
86  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
87  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
88  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89  * PARTICULAR PURPOSE.
90  *
91  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
97  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98  * LIMITED REMEDY.
99  *
100  * 4.3. Licensee shall not export, either directly or indirectly, any of this
101  * software or system incorporating such software without first obtaining any
102  * required license or other approval from the U. S. Department of Commerce or
103  * any other agency or department of the United States Government.  In the
104  * event Licensee exports any such software from the United States or
105  * re-exports any such software from a foreign destination, Licensee shall
106  * ensure that the distribution and export/re-export of the software is in
107  * compliance with all laws, regulations, orders, or other restrictions of the
108  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109  * any of its subsidiaries will export/re-export any technical data, process,
110  * software, or service, directly or indirectly, to any country for which the
111  * United States government or any agency thereof requires an export license,
112  * other governmental approval, or letter of assurance, without first obtaining
113  * such license, approval or letter.
114  *
115  *****************************************************************************/
116 
117 #define __RSIRQ_C__
118 
119 #include "acpi.h"
120 #include "acresrc.h"
121 
122 #define _COMPONENT          ACPI_RESOURCES
123         ACPI_MODULE_NAME    ("rsirq")
124 
125 
126 /*******************************************************************************
127  *
128  * AcpiRsGetIrq
129  *
130  ******************************************************************************/
131 
132 ACPI_RSCONVERT_INFO     AcpiRsGetIrq[7] =
133 {
134     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_IRQ,
135                         ACPI_RS_SIZE (ACPI_RESOURCE_IRQ),
136                         ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)},
137 
138     /* Get the IRQ mask (bytes 1:2) */
139 
140     {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
141                         AML_OFFSET (Irq.IrqMask),
142                         ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
143 
144     /* Set default flags (others are zero) */
145 
146     {ACPI_RSC_SET8,     ACPI_RS_OFFSET (Data.Irq.Triggering),
147                         ACPI_EDGE_SENSITIVE,
148                         1},
149 
150     /* All done if no flag byte present in descriptor */
151 
152     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
153 
154     /* Get flags: Triggering[0], Polarity[3], Sharing[4] */
155 
156     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
157                         AML_OFFSET (Irq.Flags),
158                         0},
159 
160     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
161                         AML_OFFSET (Irq.Flags),
162                         3},
163 
164     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
165                         AML_OFFSET (Irq.Flags),
166                         4}
167 };
168 
169 
170 /*******************************************************************************
171  *
172  * AcpiRsSetIrq
173  *
174  ******************************************************************************/
175 
176 ACPI_RSCONVERT_INFO     AcpiRsSetIrq[9] =
177 {
178     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_IRQ,
179                         sizeof (AML_RESOURCE_IRQ),
180                         ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)},
181 
182     /* Convert interrupt list to 16-bit IRQ bitmask */
183 
184     {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
185                         AML_OFFSET (Irq.IrqMask),
186                         ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
187 
188     /* Set the flags byte by default */
189 
190     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
191                         AML_OFFSET (Irq.Flags),
192                         0},
193 
194     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
195                         AML_OFFSET (Irq.Flags),
196                         3},
197 
198     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
199                         AML_OFFSET (Irq.Flags),
200                         4},
201     /*
202      * Check if the flags byte is necessary. Not needed if the flags are:
203      * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
204      */
205     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
206                         ACPI_RS_OFFSET (Data.Irq.Triggering),
207                         ACPI_EDGE_SENSITIVE},
208 
209     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
210                         ACPI_RS_OFFSET (Data.Irq.Polarity),
211                         ACPI_ACTIVE_HIGH},
212 
213     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
214                         ACPI_RS_OFFSET (Data.Irq.Sharable),
215                         ACPI_EXCLUSIVE},
216 
217     /* IrqNoFlags() descriptor can be used */
218 
219     {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}
220 };
221 
222 
223 /*******************************************************************************
224  *
225  * AcpiRsConvertExtIrq
226  *
227  ******************************************************************************/
228 
229 ACPI_RSCONVERT_INFO     AcpiRsConvertExtIrq[9] =
230 {
231     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
232                         ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ),
233                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)},
234 
235     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_EXTENDED_IRQ,
236                         sizeof (AML_RESOURCE_EXTENDED_IRQ),
237                         0},
238 
239     /* Flag bits */
240 
241     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer),
242                         AML_OFFSET (ExtendedIrq.Flags),
243                         0},
244 
245     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering),
246                         AML_OFFSET (ExtendedIrq.Flags),
247                         1},
248 
249     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity),
250                         AML_OFFSET (ExtendedIrq.Flags),
251                         2},
252 
253     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable),
254                         AML_OFFSET (ExtendedIrq.Flags),
255                         3},
256 
257     /* IRQ Table length (Byte4) */
258 
259     {ACPI_RSC_COUNT,    ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount),
260                         AML_OFFSET (ExtendedIrq.InterruptCount),
261                         sizeof (UINT32)},
262 
263     /* Copy every IRQ in the table, each is 32 bits */
264 
265     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
266                         AML_OFFSET (ExtendedIrq.Interrupts[0]),
267                         0},
268 
269     /* Optional ResourceSource (Index and String) */
270 
271     {ACPI_RSC_SOURCEX,  ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource),
272                         ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
273                         sizeof (AML_RESOURCE_EXTENDED_IRQ)}
274 };
275 
276 
277 /*******************************************************************************
278  *
279  * AcpiRsConvertDma
280  *
281  ******************************************************************************/
282 
283 ACPI_RSCONVERT_INFO     AcpiRsConvertDma[6] =
284 {
285     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_DMA,
286                         ACPI_RS_SIZE (ACPI_RESOURCE_DMA),
287                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)},
288 
289     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_DMA,
290                         sizeof (AML_RESOURCE_DMA),
291                         0},
292 
293     /* Flags: transfer preference, bus mastering, channel speed */
294 
295     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer),
296                         AML_OFFSET (Dma.Flags),
297                         0},
298 
299     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster),
300                         AML_OFFSET (Dma.Flags),
301                         2},
302 
303     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type),
304                         AML_OFFSET (Dma.Flags),
305                         5},
306 
307     /* DMA channel mask bits */
308 
309     {ACPI_RSC_BITMASK,  ACPI_RS_OFFSET (Data.Dma.Channels[0]),
310                         AML_OFFSET (Dma.DmaChannelMask),
311                         ACPI_RS_OFFSET (Data.Dma.ChannelCount)}
312 };
313 
314