sys/contrib/dev/acpica/components/resources/rsirq.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: rsirq - IRQ resource descriptors
   4  *
   5  ******************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2015, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #include <contrib/dev/acpica/include/acpi.h>
  45 #include <contrib/dev/acpica/include/accommon.h>
  46 #include <contrib/dev/acpica/include/acresrc.h>
  47
  48 #define _COMPONENT          ACPI_RESOURCES
  49         ACPI_MODULE_NAME    ("rsirq")
  50
  51
  52 /*******************************************************************************
  53  *
  54  * AcpiRsGetIrq
  55  *
  56  ******************************************************************************/
  57
  58 ACPI_RSCONVERT_INFO     AcpiRsGetIrq[9] =
  59 {
  60     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_IRQ,
  61                         ACPI_RS_SIZE (ACPI_RESOURCE_IRQ),
  62                         ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)},
  63
  64     /* Get the IRQ mask (bytes 1:2) */
  65
  66     {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
  67                         AML_OFFSET (Irq.IrqMask),
  68                         ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
  69
  70     /* Set default flags (others are zero) */
  71
  72     {ACPI_RSC_SET8,     ACPI_RS_OFFSET (Data.Irq.Triggering),
  73                         ACPI_EDGE_SENSITIVE,
  74                         1},
  75
  76     /* Get the descriptor length (2 or 3 for IRQ descriptor) */
  77
  78     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength),
  79                         AML_OFFSET (Irq.DescriptorType),
  80                         0},
  81
  82     /* All done if no flag byte present in descriptor */
  83
  84     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
  85
  86     /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
  87
  88     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
  89                         AML_OFFSET (Irq.Flags),
  90                         0},
  91
  92     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
  93                         AML_OFFSET (Irq.Flags),
  94                         3},
  95
  96     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
  97                         AML_OFFSET (Irq.Flags),
  98                         4},
  99
 100     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable),
 101                         AML_OFFSET (Irq.Flags),
 102                         5}
 103 };
 104
 105
 106 /*******************************************************************************
 107  *
 108  * AcpiRsSetIrq
 109  *
 110  ******************************************************************************/
 111
 112 ACPI_RSCONVERT_INFO     AcpiRsSetIrq[14] =
 113 {
 114     /* Start with a default descriptor of length 3 */
 115
 116     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_IRQ,
 117                         sizeof (AML_RESOURCE_IRQ),
 118                         ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)},
 119
 120     /* Convert interrupt list to 16-bit IRQ bitmask */
 121
 122     {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
 123                         AML_OFFSET (Irq.IrqMask),
 124                         ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
 125
 126     /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
 127
 128     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
 129                         AML_OFFSET (Irq.Flags),
 130                         0},
 131
 132     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
 133                         AML_OFFSET (Irq.Flags),
 134                         3},
 135
 136     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
 137                         AML_OFFSET (Irq.Flags),
 138                         4},
 139
 140     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable),
 141                         AML_OFFSET (Irq.Flags),
 142                         5},
 143
 144     /*
 145      * All done if the output descriptor length is required to be 3
 146      * (i.e., optimization to 2 bytes cannot be attempted)
 147      */
 148     {ACPI_RSC_EXIT_EQ,  ACPI_RSC_COMPARE_VALUE,
 149                         ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
 150                         3},
 151
 152     /* Set length to 2 bytes (no flags byte) */
 153
 154     {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)},
 155
 156     /*
 157      * All done if the output descriptor length is required to be 2.
 158      *
 159      * TBD: Perhaps we should check for error if input flags are not
 160      * compatible with a 2-byte descriptor.
 161      */
 162     {ACPI_RSC_EXIT_EQ,  ACPI_RSC_COMPARE_VALUE,
 163                         ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
 164                         2},
 165
 166     /* Reset length to 3 bytes (descriptor with flags byte) */
 167
 168     {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_IRQ)},
 169
 170     /*
 171      * Check if the flags byte is necessary. Not needed if the flags are:
 172      * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
 173      */
 174     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
 175                         ACPI_RS_OFFSET (Data.Irq.Triggering),
 176                         ACPI_EDGE_SENSITIVE},
 177
 178     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
 179                         ACPI_RS_OFFSET (Data.Irq.Polarity),
 180                         ACPI_ACTIVE_HIGH},
 181
 182     {ACPI_RSC_EXIT_NE,  ACPI_RSC_COMPARE_VALUE,
 183                         ACPI_RS_OFFSET (Data.Irq.Sharable),
 184                         ACPI_EXCLUSIVE},
 185
 186     /* We can optimize to a 2-byte IrqNoFlags() descriptor */
 187
 188     {ACPI_RSC_LENGTH,   0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}
 189 };
 190
 191
 192 /*******************************************************************************
 193  *
 194  * AcpiRsConvertExtIrq
 195  *
 196  ******************************************************************************/
 197
 198 ACPI_RSCONVERT_INFO     AcpiRsConvertExtIrq[10] =
 199 {
 200     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
 201                         ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ),
 202                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)},
 203
 204     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_EXTENDED_IRQ,
 205                         sizeof (AML_RESOURCE_EXTENDED_IRQ),
 206                         0},
 207
 208     /*
 209      * Flags: Producer/Consumer[0], Triggering[1], Polarity[2],
 210      *        Sharing[3], Wake[4]
 211      */
 212     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer),
 213                         AML_OFFSET (ExtendedIrq.Flags),
 214                         0},
 215
 216     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering),
 217                         AML_OFFSET (ExtendedIrq.Flags),
 218                         1},
 219
 220     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity),
 221                         AML_OFFSET (ExtendedIrq.Flags),
 222                         2},
 223
 224     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable),
 225                         AML_OFFSET (ExtendedIrq.Flags),
 226                         3},
 227
 228     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.WakeCapable),
 229                         AML_OFFSET (ExtendedIrq.Flags),
 230                         4},
 231
 232     /* IRQ Table length (Byte4) */
 233
 234     {ACPI_RSC_COUNT,    ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount),
 235                         AML_OFFSET (ExtendedIrq.InterruptCount),
 236                         sizeof (UINT32)},
 237
 238     /* Copy every IRQ in the table, each is 32 bits */
 239
 240     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
 241                         AML_OFFSET (ExtendedIrq.Interrupts[0]),
 242                         0},
 243
 244     /* Optional ResourceSource (Index and String) */
 245
 246     {ACPI_RSC_SOURCEX,  ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource),
 247                         ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
 248                         sizeof (AML_RESOURCE_EXTENDED_IRQ)}
 249 };
 250
 251
 252 /*******************************************************************************
 253  *
 254  * AcpiRsConvertDma
 255  *
 256  ******************************************************************************/
 257
 258 ACPI_RSCONVERT_INFO     AcpiRsConvertDma[6] =
 259 {
 260     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_DMA,
 261                         ACPI_RS_SIZE (ACPI_RESOURCE_DMA),
 262                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)},
 263
 264     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_DMA,
 265                         sizeof (AML_RESOURCE_DMA),
 266                         0},
 267
 268     /* Flags: transfer preference, bus mastering, channel speed */
 269
 270     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer),
 271                         AML_OFFSET (Dma.Flags),
 272                         0},
 273
 274     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster),
 275                         AML_OFFSET (Dma.Flags),
 276                         2},
 277
 278     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type),
 279                         AML_OFFSET (Dma.Flags),
 280                         5},
 281
 282     /* DMA channel mask bits */
 283
 284     {ACPI_RSC_BITMASK,  ACPI_RS_OFFSET (Data.Dma.Channels[0]),
 285                         AML_OFFSET (Dma.DmaChannelMask),
 286                         ACPI_RS_OFFSET (Data.Dma.ChannelCount)}
 287 };
 288
 289
 290 /*******************************************************************************
 291  *
 292  * AcpiRsConvertFixedDma
 293  *
 294  ******************************************************************************/
 295
 296 ACPI_RSCONVERT_INFO     AcpiRsConvertFixedDma[4] =
 297 {
 298     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_DMA,
 299                         ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA),
 300                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedDma)},
 301
 302     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_DMA,
 303                         sizeof (AML_RESOURCE_FIXED_DMA),
 304                         0},
 305
 306     /*
 307      * These fields are contiguous in both the source and destination:
 308      * RequestLines
 309      * Channels
 310      */
 311     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.FixedDma.RequestLines),
 312                         AML_OFFSET (FixedDma.RequestLines),
 313                         2},
 314
 315     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.FixedDma.Width),
 316                         AML_OFFSET (FixedDma.Width),
 317                         1},
 318 };