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1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/*******************************************************************************
3 *
4 * Module Name: rsirq - IRQ resource descriptors
5 *
6 ******************************************************************************/
7
8#include <acpi/acpi.h>
9#include "accommon.h"
10#include "acresrc.h"
11
12#define _COMPONENT ACPI_RESOURCES
13ACPI_MODULE_NAME("rsirq")
14
15/*******************************************************************************
16 *
17 * acpi_rs_get_irq
18 *
19 ******************************************************************************/
20struct acpi_rsconvert_info acpi_rs_get_irq[9] = {
21 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
22 ACPI_RS_SIZE(struct acpi_resource_irq),
23 ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)},
24
25 /* Get the IRQ mask (bytes 1:2) */
26
27 {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
28 AML_OFFSET(irq.irq_mask),
29 ACPI_RS_OFFSET(data.irq.interrupt_count)},
30
31 /* Set default flags (others are zero) */
32
33 {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering),
34 ACPI_EDGE_SENSITIVE,
35 1},
36
37 /* Get the descriptor length (2 or 3 for IRQ descriptor) */
38
39 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.irq.descriptor_length),
40 AML_OFFSET(irq.descriptor_type),
41 0},
42
43 /* All done if no flag byte present in descriptor */
44
45 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
46
47 /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
48
49 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
50 AML_OFFSET(irq.flags),
51 0},
52
53 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
54 AML_OFFSET(irq.flags),
55 3},
56
57 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.shareable),
58 AML_OFFSET(irq.flags),
59 4},
60
61 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable),
62 AML_OFFSET(irq.flags),
63 5}
64};
65
66/*******************************************************************************
67 *
68 * acpi_rs_set_irq
69 *
70 ******************************************************************************/
71
72struct acpi_rsconvert_info acpi_rs_set_irq[14] = {
73 /* Start with a default descriptor of length 3 */
74
75 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
76 sizeof(struct aml_resource_irq),
77 ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)},
78
79 /* Convert interrupt list to 16-bit IRQ bitmask */
80
81 {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
82 AML_OFFSET(irq.irq_mask),
83 ACPI_RS_OFFSET(data.irq.interrupt_count)},
84
85 /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
86
87 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
88 AML_OFFSET(irq.flags),
89 0},
90
91 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
92 AML_OFFSET(irq.flags),
93 3},
94
95 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.shareable),
96 AML_OFFSET(irq.flags),
97 4},
98
99 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable),
100 AML_OFFSET(irq.flags),
101 5},
102
103 /*
104 * All done if the output descriptor length is required to be 3
105 * (i.e., optimization to 2 bytes cannot be attempted)
106 */
107 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
108 ACPI_RS_OFFSET(data.irq.descriptor_length),
109 3},
110
111 /* Set length to 2 bytes (no flags byte) */
112
113 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)},
114
115 /*
116 * All done if the output descriptor length is required to be 2.
117 *
118 * TBD: Perhaps we should check for error if input flags are not
119 * compatible with a 2-byte descriptor.
120 */
121 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
122 ACPI_RS_OFFSET(data.irq.descriptor_length),
123 2},
124
125 /* Reset length to 3 bytes (descriptor with flags byte) */
126
127 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq)},
128
129 /*
130 * Check if the flags byte is necessary. Not needed if the flags are:
131 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
132 */
133 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
134 ACPI_RS_OFFSET(data.irq.triggering),
135 ACPI_EDGE_SENSITIVE},
136
137 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
138 ACPI_RS_OFFSET(data.irq.polarity),
139 ACPI_ACTIVE_HIGH},
140
141 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
142 ACPI_RS_OFFSET(data.irq.shareable),
143 ACPI_EXCLUSIVE},
144
145 /* We can optimize to a 2-byte irq_no_flags() descriptor */
146
147 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)}
148};
149
150/*******************************************************************************
151 *
152 * acpi_rs_convert_ext_irq
153 *
154 ******************************************************************************/
155
156struct acpi_rsconvert_info acpi_rs_convert_ext_irq[10] = {
157 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
158 ACPI_RS_SIZE(struct acpi_resource_extended_irq),
159 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)},
160
161 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
162 sizeof(struct aml_resource_extended_irq),
163 0},
164
165 /*
166 * Flags: Producer/Consumer[0], Triggering[1], Polarity[2],
167 * Sharing[3], Wake[4]
168 */
169 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer),
170 AML_OFFSET(extended_irq.flags),
171 0},
172
173 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering),
174 AML_OFFSET(extended_irq.flags),
175 1},
176
177 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity),
178 AML_OFFSET(extended_irq.flags),
179 2},
180
181 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.shareable),
182 AML_OFFSET(extended_irq.flags),
183 3},
184
185 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.wake_capable),
186 AML_OFFSET(extended_irq.flags),
187 4},
188
189 /* IRQ Table length (Byte4) */
190
191 {ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count),
192 AML_OFFSET(extended_irq.interrupt_count),
193 sizeof(u32)},
194
195 /* Copy every IRQ in the table, each is 32 bits */
196
197 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
198 AML_OFFSET(extended_irq.interrupts[0]),
199 0},
200
201 /* Optional resource_source (Index and String) */
202
203 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET(data.extended_irq.resource_source),
204 ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
205 sizeof(struct aml_resource_extended_irq)}
206};
207
208/*******************************************************************************
209 *
210 * acpi_rs_convert_dma
211 *
212 ******************************************************************************/
213
214struct acpi_rsconvert_info acpi_rs_convert_dma[6] = {
215 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
216 ACPI_RS_SIZE(struct acpi_resource_dma),
217 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_dma)},
218
219 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
220 sizeof(struct aml_resource_dma),
221 0},
222
223 /* Flags: transfer preference, bus mastering, channel speed */
224
225 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer),
226 AML_OFFSET(dma.flags),
227 0},
228
229 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master),
230 AML_OFFSET(dma.flags),
231 2},
232
233 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type),
234 AML_OFFSET(dma.flags),
235 5},
236
237 /* DMA channel mask bits */
238
239 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET(data.dma.channels[0]),
240 AML_OFFSET(dma.dma_channel_mask),
241 ACPI_RS_OFFSET(data.dma.channel_count)}
242};
243
244/*******************************************************************************
245 *
246 * acpi_rs_convert_fixed_dma
247 *
248 ******************************************************************************/
249
250struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = {
251 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA,
252 ACPI_RS_SIZE(struct acpi_resource_fixed_dma),
253 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_dma)},
254
255 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA,
256 sizeof(struct aml_resource_fixed_dma),
257 0},
258
259 /*
260 * These fields are contiguous in both the source and destination:
261 * request_lines
262 * Channels
263 */
264 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_dma.request_lines),
265 AML_OFFSET(fixed_dma.request_lines),
266 2},
267
268 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_dma.width),
269 AML_OFFSET(fixed_dma.width),
270 1},
271};
1/*******************************************************************************
2 *
3 * Module Name: rsirq - IRQ resource descriptors
4 *
5 ******************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2016, 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 <acpi/acpi.h>
45#include "accommon.h"
46#include "acresrc.h"
47
48#define _COMPONENT ACPI_RESOURCES
49ACPI_MODULE_NAME("rsirq")
50
51/*******************************************************************************
52 *
53 * acpi_rs_get_irq
54 *
55 ******************************************************************************/
56struct acpi_rsconvert_info acpi_rs_get_irq[9] = {
57 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
58 ACPI_RS_SIZE(struct acpi_resource_irq),
59 ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)},
60
61 /* Get the IRQ mask (bytes 1:2) */
62
63 {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
64 AML_OFFSET(irq.irq_mask),
65 ACPI_RS_OFFSET(data.irq.interrupt_count)},
66
67 /* Set default flags (others are zero) */
68
69 {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering),
70 ACPI_EDGE_SENSITIVE,
71 1},
72
73 /* Get the descriptor length (2 or 3 for IRQ descriptor) */
74
75 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.irq.descriptor_length),
76 AML_OFFSET(irq.descriptor_type),
77 0},
78
79 /* All done if no flag byte present in descriptor */
80
81 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
82
83 /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
84
85 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
86 AML_OFFSET(irq.flags),
87 0},
88
89 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
90 AML_OFFSET(irq.flags),
91 3},
92
93 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
94 AML_OFFSET(irq.flags),
95 4},
96
97 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable),
98 AML_OFFSET(irq.flags),
99 5}
100};
101
102/*******************************************************************************
103 *
104 * acpi_rs_set_irq
105 *
106 ******************************************************************************/
107
108struct acpi_rsconvert_info acpi_rs_set_irq[14] = {
109 /* Start with a default descriptor of length 3 */
110
111 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
112 sizeof(struct aml_resource_irq),
113 ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)},
114
115 /* Convert interrupt list to 16-bit IRQ bitmask */
116
117 {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
118 AML_OFFSET(irq.irq_mask),
119 ACPI_RS_OFFSET(data.irq.interrupt_count)},
120
121 /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
122
123 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
124 AML_OFFSET(irq.flags),
125 0},
126
127 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
128 AML_OFFSET(irq.flags),
129 3},
130
131 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
132 AML_OFFSET(irq.flags),
133 4},
134
135 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable),
136 AML_OFFSET(irq.flags),
137 5},
138
139 /*
140 * All done if the output descriptor length is required to be 3
141 * (i.e., optimization to 2 bytes cannot be attempted)
142 */
143 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
144 ACPI_RS_OFFSET(data.irq.descriptor_length),
145 3},
146
147 /* Set length to 2 bytes (no flags byte) */
148
149 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)},
150
151 /*
152 * All done if the output descriptor length is required to be 2.
153 *
154 * TBD: Perhaps we should check for error if input flags are not
155 * compatible with a 2-byte descriptor.
156 */
157 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
158 ACPI_RS_OFFSET(data.irq.descriptor_length),
159 2},
160
161 /* Reset length to 3 bytes (descriptor with flags byte) */
162
163 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq)},
164
165 /*
166 * Check if the flags byte is necessary. Not needed if the flags are:
167 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
168 */
169 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
170 ACPI_RS_OFFSET(data.irq.triggering),
171 ACPI_EDGE_SENSITIVE},
172
173 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
174 ACPI_RS_OFFSET(data.irq.polarity),
175 ACPI_ACTIVE_HIGH},
176
177 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
178 ACPI_RS_OFFSET(data.irq.sharable),
179 ACPI_EXCLUSIVE},
180
181 /* We can optimize to a 2-byte irq_no_flags() descriptor */
182
183 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)}
184};
185
186/*******************************************************************************
187 *
188 * acpi_rs_convert_ext_irq
189 *
190 ******************************************************************************/
191
192struct acpi_rsconvert_info acpi_rs_convert_ext_irq[10] = {
193 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
194 ACPI_RS_SIZE(struct acpi_resource_extended_irq),
195 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)},
196
197 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
198 sizeof(struct aml_resource_extended_irq),
199 0},
200
201 /*
202 * Flags: Producer/Consumer[0], Triggering[1], Polarity[2],
203 * Sharing[3], Wake[4]
204 */
205 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer),
206 AML_OFFSET(extended_irq.flags),
207 0},
208
209 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering),
210 AML_OFFSET(extended_irq.flags),
211 1},
212
213 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity),
214 AML_OFFSET(extended_irq.flags),
215 2},
216
217 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable),
218 AML_OFFSET(extended_irq.flags),
219 3},
220
221 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.wake_capable),
222 AML_OFFSET(extended_irq.flags),
223 4},
224
225 /* IRQ Table length (Byte4) */
226
227 {ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count),
228 AML_OFFSET(extended_irq.interrupt_count),
229 sizeof(u32)},
230
231 /* Copy every IRQ in the table, each is 32 bits */
232
233 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
234 AML_OFFSET(extended_irq.interrupts[0]),
235 0},
236
237 /* Optional resource_source (Index and String) */
238
239 {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET(data.extended_irq.resource_source),
240 ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
241 sizeof(struct aml_resource_extended_irq)}
242};
243
244/*******************************************************************************
245 *
246 * acpi_rs_convert_dma
247 *
248 ******************************************************************************/
249
250struct acpi_rsconvert_info acpi_rs_convert_dma[6] = {
251 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
252 ACPI_RS_SIZE(struct acpi_resource_dma),
253 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_dma)},
254
255 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
256 sizeof(struct aml_resource_dma),
257 0},
258
259 /* Flags: transfer preference, bus mastering, channel speed */
260
261 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer),
262 AML_OFFSET(dma.flags),
263 0},
264
265 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master),
266 AML_OFFSET(dma.flags),
267 2},
268
269 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type),
270 AML_OFFSET(dma.flags),
271 5},
272
273 /* DMA channel mask bits */
274
275 {ACPI_RSC_BITMASK, ACPI_RS_OFFSET(data.dma.channels[0]),
276 AML_OFFSET(dma.dma_channel_mask),
277 ACPI_RS_OFFSET(data.dma.channel_count)}
278};
279
280/*******************************************************************************
281 *
282 * acpi_rs_convert_fixed_dma
283 *
284 ******************************************************************************/
285
286struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = {
287 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA,
288 ACPI_RS_SIZE(struct acpi_resource_fixed_dma),
289 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_dma)},
290
291 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA,
292 sizeof(struct aml_resource_fixed_dma),
293 0},
294
295 /*
296 * These fields are contiguous in both the source and destination:
297 * request_lines
298 * Channels
299 */
300 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_dma.request_lines),
301 AML_OFFSET(fixed_dma.request_lines),
302 2},
303
304 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_dma.width),
305 AML_OFFSET(fixed_dma.width),
306 1},
307};