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1da177e4 LT |
1 | /******************************************************************************* |
2 | * | |
3 | * Module Name: rsirq - IRQ resource descriptors | |
4 | * | |
5 | ******************************************************************************/ | |
6 | ||
7 | /* | |
25f044e6 | 8 | * Copyright (C) 2000 - 2013, Intel Corp. |
1da177e4 LT |
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 | ||
1da177e4 | 44 | #include <acpi/acpi.h> |
e2f7a777 LB |
45 | #include "accommon.h" |
46 | #include "acresrc.h" | |
1da177e4 LT |
47 | |
48 | #define _COMPONENT ACPI_RESOURCES | |
4be44fcd | 49 | ACPI_MODULE_NAME("rsirq") |
1da177e4 LT |
50 | |
51 | /******************************************************************************* | |
52 | * | |
0897831b | 53 | * acpi_rs_get_irq |
1da177e4 LT |
54 | * |
55 | ******************************************************************************/ | |
9cea6249 | 56 | struct acpi_rsconvert_info acpi_rs_get_irq[9] = { |
0897831b BM |
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)}, | |
44f6c012 | 60 | |
50eca3eb | 61 | /* Get the IRQ mask (bytes 1:2) */ |
1da177e4 | 62 | |
0897831b BM |
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 | ||
1d5b285d BM |
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 | ||
0897831b BM |
79 | /* All done if no flag byte present in descriptor */ |
80 | ||
81 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, | |
82 | ||
9cea6249 | 83 | /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ |
0897831b BM |
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 | ||
9cea6249 | 93 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable), |
0897831b | 94 | AML_OFFSET(irq.flags), |
9cea6249 BM |
95 | 4}, |
96 | ||
97 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable), | |
98 | AML_OFFSET(irq.flags), | |
99 | 5} | |
0897831b | 100 | }; |
1da177e4 | 101 | |
1da177e4 LT |
102 | /******************************************************************************* |
103 | * | |
0897831b | 104 | * acpi_rs_set_irq |
1da177e4 LT |
105 | * |
106 | ******************************************************************************/ | |
107 | ||
9cea6249 | 108 | struct acpi_rsconvert_info acpi_rs_set_irq[14] = { |
1d5b285d BM |
109 | /* Start with a default descriptor of length 3 */ |
110 | ||
0897831b BM |
111 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, |
112 | sizeof(struct aml_resource_irq), | |
113 | ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)}, | |
1da177e4 | 114 | |
50eca3eb BM |
115 | /* Convert interrupt list to 16-bit IRQ bitmask */ |
116 | ||
0897831b BM |
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 | ||
9cea6249 | 121 | /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */ |
50eca3eb | 122 | |
0897831b BM |
123 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering), |
124 | AML_OFFSET(irq.flags), | |
125 | 0}, | |
50eca3eb | 126 | |
0897831b BM |
127 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity), |
128 | AML_OFFSET(irq.flags), | |
129 | 3}, | |
1da177e4 | 130 | |
9cea6249 | 131 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable), |
0897831b BM |
132 | AML_OFFSET(irq.flags), |
133 | 4}, | |
1d5b285d | 134 | |
9cea6249 BM |
135 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable), |
136 | AML_OFFSET(irq.flags), | |
137 | 5}, | |
138 | ||
1d5b285d BM |
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 | ||
1da177e4 | 165 | /* |
0897831b BM |
166 | * Check if the flags byte is necessary. Not needed if the flags are: |
167 | * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE | |
1da177e4 | 168 | */ |
0897831b BM |
169 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
170 | ACPI_RS_OFFSET(data.irq.triggering), | |
171 | ACPI_EDGE_SENSITIVE}, | |
44f6c012 | 172 | |
0897831b BM |
173 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
174 | ACPI_RS_OFFSET(data.irq.polarity), | |
175 | ACPI_ACTIVE_HIGH}, | |
1da177e4 | 176 | |
0897831b BM |
177 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
178 | ACPI_RS_OFFSET(data.irq.sharable), | |
179 | ACPI_EXCLUSIVE}, | |
1da177e4 | 180 | |
1d5b285d | 181 | /* We can optimize to a 2-byte irq_no_flags() descriptor */ |
44f6c012 | 182 | |
0897831b BM |
183 | {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)} |
184 | }; | |
1da177e4 | 185 | |
1da177e4 LT |
186 | /******************************************************************************* |
187 | * | |
0897831b | 188 | * acpi_rs_convert_ext_irq |
1da177e4 LT |
189 | * |
190 | ******************************************************************************/ | |
191 | ||
9cea6249 | 192 | struct acpi_rsconvert_info acpi_rs_convert_ext_irq[10] = { |
0897831b BM |
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)}, | |
1da177e4 | 196 | |
0897831b BM |
197 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, |
198 | sizeof(struct aml_resource_extended_irq), | |
199 | 0}, | |
1da177e4 | 200 | |
f7b488e2 AL |
201 | /* |
202 | * Flags: Producer/Consumer[0], Triggering[1], Polarity[2], | |
9cea6249 | 203 | * Sharing[3], Wake[4] |
f7b488e2 | 204 | */ |
0897831b BM |
205 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer), |
206 | AML_OFFSET(extended_irq.flags), | |
207 | 0}, | |
1da177e4 | 208 | |
0897831b BM |
209 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering), |
210 | AML_OFFSET(extended_irq.flags), | |
211 | 1}, | |
50eca3eb | 212 | |
0897831b BM |
213 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity), |
214 | AML_OFFSET(extended_irq.flags), | |
215 | 2}, | |
1da177e4 | 216 | |
9cea6249 | 217 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable), |
0897831b BM |
218 | AML_OFFSET(extended_irq.flags), |
219 | 3}, | |
1da177e4 | 220 | |
9cea6249 BM |
221 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.wake_capable), |
222 | AML_OFFSET(extended_irq.flags), | |
223 | 4}, | |
224 | ||
0897831b | 225 | /* IRQ Table length (Byte4) */ |
44f6c012 | 226 | |
0897831b BM |
227 | {ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count), |
228 | AML_OFFSET(extended_irq.interrupt_count), | |
3e8214e5 | 229 | sizeof(u32)}, |
1da177e4 | 230 | |
0897831b | 231 | /* Copy every IRQ in the table, each is 32 bits */ |
44f6c012 | 232 | |
0897831b BM |
233 | {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]), |
234 | AML_OFFSET(extended_irq.interrupts[0]), | |
3e8214e5 | 235 | 0}, |
1da177e4 | 236 | |
0897831b | 237 | /* Optional resource_source (Index and String) */ |
1da177e4 | 238 | |
0897831b BM |
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 | }; | |
1da177e4 | 243 | |
1da177e4 LT |
244 | /******************************************************************************* |
245 | * | |
0897831b | 246 | * acpi_rs_convert_dma |
1da177e4 LT |
247 | * |
248 | ******************************************************************************/ | |
249 | ||
0897831b BM |
250 | struct 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)}, | |
1da177e4 | 254 | |
0897831b BM |
255 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, |
256 | sizeof(struct aml_resource_dma), | |
257 | 0}, | |
44f6c012 | 258 | |
0897831b | 259 | /* Flags: transfer preference, bus mastering, channel speed */ |
1da177e4 | 260 | |
0897831b BM |
261 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer), |
262 | AML_OFFSET(dma.flags), | |
263 | 0}, | |
44f6c012 | 264 | |
0897831b BM |
265 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master), |
266 | AML_OFFSET(dma.flags), | |
267 | 2}, | |
1da177e4 | 268 | |
0897831b BM |
269 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type), |
270 | AML_OFFSET(dma.flags), | |
271 | 5}, | |
44f6c012 | 272 | |
0897831b | 273 | /* DMA channel mask bits */ |
1da177e4 | 274 | |
0897831b BM |
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 | }; | |
e0fe0a8d LM |
279 | |
280 | /******************************************************************************* | |
281 | * | |
282 | * acpi_rs_convert_fixed_dma | |
283 | * | |
284 | ******************************************************************************/ | |
285 | ||
286 | struct 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 | */ | |
e0fe0a8d LM |
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}, | |
e0fe0a8d | 307 | }; |