1 /*******************************************************************************
3 * Module Name: rsirq - IRQ resource descriptors
5 ******************************************************************************/
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44 #include <contrib/dev/acpica/include/acpi.h>
45 #include <contrib/dev/acpica/include/accommon.h>
46 #include <contrib/dev/acpica/include/acresrc.h>
48 #define _COMPONENT ACPI_RESOURCES
49 ACPI_MODULE_NAME ("rsirq")
52 /*******************************************************************************
56 ******************************************************************************/
58 ACPI_RSCONVERT_INFO AcpiRsGetIrq[9] =
60 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
61 ACPI_RS_SIZE (ACPI_RESOURCE_IRQ),
62 ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)},
64 /* Get the IRQ mask (bytes 1:2) */
66 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
67 AML_OFFSET (Irq.IrqMask),
68 ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
70 /* Set default flags (others are zero) */
72 {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering),
76 /* Get the descriptor length (2 or 3 for IRQ descriptor) */
78 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength),
79 AML_OFFSET (Irq.DescriptorType),
82 /* All done if no flag byte present in descriptor */
84 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
86 /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
88 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
89 AML_OFFSET (Irq.Flags),
92 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
93 AML_OFFSET (Irq.Flags),
96 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
97 AML_OFFSET (Irq.Flags),
100 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable),
101 AML_OFFSET (Irq.Flags),
106 /*******************************************************************************
110 ******************************************************************************/
112 ACPI_RSCONVERT_INFO AcpiRsSetIrq[14] =
114 /* Start with a default descriptor of length 3 */
116 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
117 sizeof (AML_RESOURCE_IRQ),
118 ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)},
120 /* Convert interrupt list to 16-bit IRQ bitmask */
122 {ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
123 AML_OFFSET (Irq.IrqMask),
124 ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
126 /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
128 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
129 AML_OFFSET (Irq.Flags),
132 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
133 AML_OFFSET (Irq.Flags),
136 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
137 AML_OFFSET (Irq.Flags),
140 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.WakeCapable),
141 AML_OFFSET (Irq.Flags),
145 * All done if the output descriptor length is required to be 3
146 * (i.e., optimization to 2 bytes cannot be attempted)
148 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
149 ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
152 /* Set length to 2 bytes (no flags byte) */
154 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)},
157 * All done if the output descriptor length is required to be 2.
159 * TBD: Perhaps we should check for error if input flags are not
160 * compatible with a 2-byte descriptor.
162 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
163 ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
166 /* Reset length to 3 bytes (descriptor with flags byte) */
168 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)},
171 * Check if the flags byte is necessary. Not needed if the flags are:
172 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
174 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
175 ACPI_RS_OFFSET (Data.Irq.Triggering),
176 ACPI_EDGE_SENSITIVE},
178 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
179 ACPI_RS_OFFSET (Data.Irq.Polarity),
182 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
183 ACPI_RS_OFFSET (Data.Irq.Sharable),
186 /* We can optimize to a 2-byte IrqNoFlags() descriptor */
188 {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}
192 /*******************************************************************************
194 * AcpiRsConvertExtIrq
196 ******************************************************************************/
198 ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[10] =
200 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
201 ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ),
202 ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)},
204 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
205 sizeof (AML_RESOURCE_EXTENDED_IRQ),
209 * Flags: Producer/Consumer[0], Triggering[1], Polarity[2],
210 * Sharing[3], Wake[4]
212 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer),
213 AML_OFFSET (ExtendedIrq.Flags),
216 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering),
217 AML_OFFSET (ExtendedIrq.Flags),
220 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity),
221 AML_OFFSET (ExtendedIrq.Flags),
224 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable),
225 AML_OFFSET (ExtendedIrq.Flags),
228 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.WakeCapable),
229 AML_OFFSET (ExtendedIrq.Flags),
232 /* IRQ Table length (Byte4) */
234 {ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount),
235 AML_OFFSET (ExtendedIrq.InterruptCount),
238 /* Copy every IRQ in the table, each is 32 bits */
240 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
241 AML_OFFSET (ExtendedIrq.Interrupts[0]),
244 /* Optional ResourceSource (Index and String) */
246 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource),
247 ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
248 sizeof (AML_RESOURCE_EXTENDED_IRQ)}
252 /*******************************************************************************
256 ******************************************************************************/
258 ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] =
260 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
261 ACPI_RS_SIZE (ACPI_RESOURCE_DMA),
262 ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)},
264 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
265 sizeof (AML_RESOURCE_DMA),
268 /* Flags: transfer preference, bus mastering, channel speed */
270 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer),
271 AML_OFFSET (Dma.Flags),
274 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster),
275 AML_OFFSET (Dma.Flags),
278 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type),
279 AML_OFFSET (Dma.Flags),
282 /* DMA channel mask bits */
284 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]),
285 AML_OFFSET (Dma.DmaChannelMask),
286 ACPI_RS_OFFSET (Data.Dma.ChannelCount)}
290 /*******************************************************************************
292 * AcpiRsConvertFixedDma
294 ******************************************************************************/
296 ACPI_RSCONVERT_INFO AcpiRsConvertFixedDma[4] =
298 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA,
299 ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_DMA),
300 ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedDma)},
302 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA,
303 sizeof (AML_RESOURCE_FIXED_DMA),
307 * These fields are contiguous in both the source and destination:
311 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedDma.RequestLines),
312 AML_OFFSET (FixedDma.RequestLines),
315 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedDma.Width),
316 AML_OFFSET (FixedDma.Width),