xref: /freebsd/sys/contrib/dev/acpica/components/resources/rsirq.c (revision 52c2bb75163559a6e2866ad374a7de67a4ea1273)
1 /*******************************************************************************
2  *
3  * Module Name: rsirq - IRQ resource descriptors
4  *
5  ******************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2019, Intel Corp.
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  * Alternatively, you may choose to be licensed under the terms of the
117  * following license:
118  *
119  * Redistribution and use in source and binary forms, with or without
120  * modification, are permitted provided that the following conditions
121  * are met:
122  * 1. Redistributions of source code must retain the above copyright
123  *    notice, this list of conditions, and the following disclaimer,
124  *    without modification.
125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126  *    substantially similar to the "NO WARRANTY" disclaimer below
127  *    ("Disclaimer") and any redistribution must be conditioned upon
128  *    including a substantially similar Disclaimer requirement for further
129  *    binary redistribution.
130  * 3. Neither the names of the above-listed copyright holders nor the names
131  *    of any contributors may be used to endorse or promote products derived
132  *    from this software without specific prior written permission.
133  *
134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145  *
146  * Alternatively, you may choose to be licensed under the terms of the
147  * GNU General Public License ("GPL") version 2 as published by the Free
148  * Software Foundation.
149  *
150  *****************************************************************************/
151 
152 #include <contrib/dev/acpica/include/acpi.h>
153 #include <contrib/dev/acpica/include/accommon.h>
154 #include <contrib/dev/acpica/include/acresrc.h>
155 
156 #define _COMPONENT          ACPI_RESOURCES
157         ACPI_MODULE_NAME    ("rsirq")
158 
159 
160 /*******************************************************************************
161  *
162  * AcpiRsGetIrq
163  *
164  ******************************************************************************/
165 
166 ACPI_RSCONVERT_INFO     AcpiRsGetIrq[9] =
167 {
168     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_IRQ,
169                         ACPI_RS_SIZE (ACPI_RESOURCE_IRQ),
170                         ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)},
171 
172     /* Get the IRQ mask (bytes 1:2) */
173 
174     {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
175                         AML_OFFSET (Irq.IrqMask),
176                         ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
177 
178     /* Set default flags (others are zero) */
179 
180     {ACPI_RSC_SET8,     ACPI_RS_OFFSET (Data.Irq.Triggering),
181                         ACPI_EDGE_SENSITIVE,
182                         1},
183 
184     /* Get the descriptor length (2 or 3 for IRQ descriptor) */
185 
186     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength),
187                         AML_OFFSET (Irq.DescriptorType),
188                         0},
189 
190     /* All done if no flag byte present in descriptor */
191 
192     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
193 
194     /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
195 
196     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
197                         AML_OFFSET (Irq.Flags),
198                         0},
199 
200     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
201                         AML_OFFSET (Irq.Flags),
202                         3},
203 
204     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Shareable),
205                         AML_OFFSET (Irq.Flags),
206                         4},
207 
208     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable),
209                         AML_OFFSET (Irq.Flags),
210                         5}
211 };
212 
213 
214 /*******************************************************************************
215  *
216  * AcpiRsSetIrq
217  *
218  ******************************************************************************/
219 
220 ACPI_RSCONVERT_INFO     AcpiRsSetIrq[14] =
221 {
222     /* Start with a default descriptor of length 3 */
223 
224     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_IRQ,
225                         sizeof (AML_RESOURCE_IRQ),
226                         ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)},
227 
228     /* Convert interrupt list to 16-bit IRQ bitmask */
229 
230     {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
231                         AML_OFFSET (Irq.IrqMask),
232                         ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
233 
234     /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
235 
236     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
237                         AML_OFFSET (Irq.Flags),
238                         0},
239 
240     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
241                         AML_OFFSET (Irq.Flags),
242                         3},
243 
244     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Shareable),
245                         AML_OFFSET (Irq.Flags),
246                         4},
247 
248     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable),
249                         AML_OFFSET (Irq.Flags),
250                         5},
251 
252     /*
253      * All done if the output descriptor length is required to be 3
254      * (i.e., optimization to 2 bytes cannot be attempted)
255      */
256     {ACPI_RSC_EXIT_EQ,  ACPI_RSC_COMPARE_VALUE,
257                         ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
258                         3},
259 
260     /* Set length to 2 bytes (no flags byte) */
261 
262     {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)},
263 
264     /*
265      * All done if the output descriptor length is required to be 2.
266      *
267      * TBD: Perhaps we should check for error if input flags are not
268      * compatible with a 2-byte descriptor.
269      */
270     {ACPI_RSC_EXIT_EQ,  ACPI_RSC_COMPARE_VALUE,
271                         ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
272                         2},
273 
274     /* Reset length to 3 bytes (descriptor with flags byte) */
275 
276     {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_IRQ)},
277 
278     /*
279      * Check if the flags byte is necessary. Not needed if the flags are:
280      * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
281      */
282     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
283                         ACPI_RS_OFFSET (Data.Irq.Triggering),
284                         ACPI_EDGE_SENSITIVE},
285 
286     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
287                         ACPI_RS_OFFSET (Data.Irq.Polarity),
288                         ACPI_ACTIVE_HIGH},
289 
290     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
291                         ACPI_RS_OFFSET (Data.Irq.Shareable),
292                         ACPI_EXCLUSIVE},
293 
294     /* We can optimize to a 2-byte IrqNoFlags() descriptor */
295 
296     {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}
297 };
298 
299 
300 /*******************************************************************************
301  *
302  * AcpiRsConvertExtIrq
303  *
304  ******************************************************************************/
305 
306 ACPI_RSCONVERT_INFO     AcpiRsConvertExtIrq[10] =
307 {
308     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
309                         ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ),
310                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)},
311 
312     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_EXTENDED_IRQ,
313                         sizeof (AML_RESOURCE_EXTENDED_IRQ),
314                         0},
315 
316     /*
317      * Flags: Producer/Consumer[0], Triggering[1], Polarity[2],
318      *        Sharing[3], Wake[4]
319      */
320     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer),
321                         AML_OFFSET (ExtendedIrq.Flags),
322                         0},
323 
324     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering),
325                         AML_OFFSET (ExtendedIrq.Flags),
326                         1},
327 
328     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity),
329                         AML_OFFSET (ExtendedIrq.Flags),
330                         2},
331 
332     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Shareable),
333                         AML_OFFSET (ExtendedIrq.Flags),
334                         3},
335 
336     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.WakeCapable),
337                         AML_OFFSET (ExtendedIrq.Flags),
338                         4},
339 
340     /* IRQ Table length (Byte4) */
341 
342     {ACPI_RSC_COUNT,    ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount),
343                         AML_OFFSET (ExtendedIrq.InterruptCount),
344                         sizeof (UINT32)},
345 
346     /* Copy every IRQ in the table, each is 32 bits */
347 
348     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
349                         AML_OFFSET (ExtendedIrq.Interrupts[0]),
350                         0},
351 
352     /* Optional ResourceSource (Index and String) */
353 
354     {ACPI_RSC_SOURCEX,  ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource),
355                         ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
356                         sizeof (AML_RESOURCE_EXTENDED_IRQ)}
357 };
358 
359 
360 /*******************************************************************************
361  *
362  * AcpiRsConvertDma
363  *
364  ******************************************************************************/
365 
366 ACPI_RSCONVERT_INFO     AcpiRsConvertDma[6] =
367 {
368     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_DMA,
369                         ACPI_RS_SIZE (ACPI_RESOURCE_DMA),
370                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)},
371 
372     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_DMA,
373                         sizeof (AML_RESOURCE_DMA),
374                         0},
375 
376     /* Flags: transfer preference, bus mastering, channel speed */
377 
378     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer),
379                         AML_OFFSET (Dma.Flags),
380                         0},
381 
382     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster),
383                         AML_OFFSET (Dma.Flags),
384                         2},
385 
386     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type),
387                         AML_OFFSET (Dma.Flags),
388                         5},
389 
390     /* DMA channel mask bits */
391 
392     {ACPI_RSC_BITMASK,  ACPI_RS_OFFSET (Data.Dma.Channels[0]),
393                         AML_OFFSET (Dma.DmaChannelMask),
394                         ACPI_RS_OFFSET (Data.Dma.ChannelCount)}
395 };
396 
397 
398 /*******************************************************************************
399  *
400  * AcpiRsConvertFixedDma
401  *
402  ******************************************************************************/
403 
404 ACPI_RSCONVERT_INFO     AcpiRsConvertFixedDma[4] =
405 {
406     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_DMA,
407                         ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA),
408                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedDma)},
409 
410     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_DMA,
411                         sizeof (AML_RESOURCE_FIXED_DMA),
412                         0},
413 
414     /*
415      * These fields are contiguous in both the source and destination:
416      * RequestLines
417      * Channels
418      */
419     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.FixedDma.RequestLines),
420                         AML_OFFSET (FixedDma.RequestLines),
421                         2},
422 
423     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.FixedDma.Width),
424                         AML_OFFSET (FixedDma.Width),
425                         1},
426 };
427