Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /******************************************************************************* |
2 | * | |
3 | * Module Name: rsirq - IRQ resource descriptors | |
4 | * | |
5 | ******************************************************************************/ | |
6 | ||
7 | /* | |
8 | * Copyright (C) 2000 - 2005, R. Byron Moore | |
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 LT |
44 | #include <acpi/acpi.h> |
45 | #include <acpi/acresrc.h> | |
46 | ||
47 | #define _COMPONENT ACPI_RESOURCES | |
4be44fcd | 48 | ACPI_MODULE_NAME("rsirq") |
1da177e4 LT |
49 | |
50 | /******************************************************************************* | |
51 | * | |
0897831b | 52 | * acpi_rs_get_irq |
1da177e4 LT |
53 | * |
54 | ******************************************************************************/ | |
0897831b BM |
55 | struct acpi_rsconvert_info acpi_rs_get_irq[7] = { |
56 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ, | |
57 | ACPI_RS_SIZE(struct acpi_resource_irq), | |
58 | ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)}, | |
44f6c012 | 59 | |
50eca3eb | 60 | /* Get the IRQ mask (bytes 1:2) */ |
1da177e4 | 61 | |
0897831b BM |
62 | {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]), |
63 | AML_OFFSET(irq.irq_mask), | |
64 | ACPI_RS_OFFSET(data.irq.interrupt_count)}, | |
65 | ||
66 | /* Set default flags (others are zero) */ | |
67 | ||
68 | {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering), | |
69 | ACPI_EDGE_SENSITIVE, | |
70 | 1}, | |
71 | ||
72 | /* All done if no flag byte present in descriptor */ | |
73 | ||
74 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, | |
75 | ||
76 | /* Get flags: Triggering[0], Polarity[3], Sharing[4] */ | |
77 | ||
78 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering), | |
79 | AML_OFFSET(irq.flags), | |
80 | 0}, | |
81 | ||
82 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity), | |
83 | AML_OFFSET(irq.flags), | |
84 | 3}, | |
85 | ||
86 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable), | |
87 | AML_OFFSET(irq.flags), | |
88 | 4} | |
89 | }; | |
1da177e4 | 90 | |
1da177e4 LT |
91 | /******************************************************************************* |
92 | * | |
0897831b | 93 | * acpi_rs_set_irq |
1da177e4 LT |
94 | * |
95 | ******************************************************************************/ | |
96 | ||
0897831b BM |
97 | struct acpi_rsconvert_info acpi_rs_set_irq[9] = { |
98 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ, | |
99 | sizeof(struct aml_resource_irq), | |
100 | ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)}, | |
1da177e4 | 101 | |
50eca3eb BM |
102 | /* Convert interrupt list to 16-bit IRQ bitmask */ |
103 | ||
0897831b BM |
104 | {ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]), |
105 | AML_OFFSET(irq.irq_mask), | |
106 | ACPI_RS_OFFSET(data.irq.interrupt_count)}, | |
107 | ||
108 | /* Set the flags byte by default */ | |
50eca3eb | 109 | |
0897831b BM |
110 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering), |
111 | AML_OFFSET(irq.flags), | |
112 | 0}, | |
50eca3eb | 113 | |
0897831b BM |
114 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity), |
115 | AML_OFFSET(irq.flags), | |
116 | 3}, | |
1da177e4 | 117 | |
0897831b BM |
118 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable), |
119 | AML_OFFSET(irq.flags), | |
120 | 4}, | |
1da177e4 | 121 | /* |
0897831b BM |
122 | * Check if the flags byte is necessary. Not needed if the flags are: |
123 | * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE | |
1da177e4 | 124 | */ |
0897831b BM |
125 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
126 | ACPI_RS_OFFSET(data.irq.triggering), | |
127 | ACPI_EDGE_SENSITIVE}, | |
44f6c012 | 128 | |
0897831b BM |
129 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
130 | ACPI_RS_OFFSET(data.irq.polarity), | |
131 | ACPI_ACTIVE_HIGH}, | |
1da177e4 | 132 | |
0897831b BM |
133 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
134 | ACPI_RS_OFFSET(data.irq.sharable), | |
135 | ACPI_EXCLUSIVE}, | |
1da177e4 | 136 | |
0897831b | 137 | /* irq_no_flags() descriptor can be used */ |
44f6c012 | 138 | |
0897831b BM |
139 | {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)} |
140 | }; | |
1da177e4 | 141 | |
1da177e4 LT |
142 | /******************************************************************************* |
143 | * | |
0897831b | 144 | * acpi_rs_convert_ext_irq |
1da177e4 LT |
145 | * |
146 | ******************************************************************************/ | |
147 | ||
0897831b BM |
148 | struct acpi_rsconvert_info acpi_rs_convert_ext_irq[9] = { |
149 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ, | |
150 | ACPI_RS_SIZE(struct acpi_resource_extended_irq), | |
151 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)}, | |
1da177e4 | 152 | |
0897831b BM |
153 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, |
154 | sizeof(struct aml_resource_extended_irq), | |
155 | 0}, | |
1da177e4 | 156 | |
0897831b | 157 | /* Flag bits */ |
44f6c012 | 158 | |
0897831b BM |
159 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer), |
160 | AML_OFFSET(extended_irq.flags), | |
161 | 0}, | |
1da177e4 | 162 | |
0897831b BM |
163 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering), |
164 | AML_OFFSET(extended_irq.flags), | |
165 | 1}, | |
50eca3eb | 166 | |
0897831b BM |
167 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity), |
168 | AML_OFFSET(extended_irq.flags), | |
169 | 2}, | |
1da177e4 | 170 | |
0897831b BM |
171 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable), |
172 | AML_OFFSET(extended_irq.flags), | |
173 | 3}, | |
1da177e4 | 174 | |
0897831b | 175 | /* IRQ Table length (Byte4) */ |
44f6c012 | 176 | |
0897831b BM |
177 | {ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count), |
178 | AML_OFFSET(extended_irq.interrupt_count), | |
179 | sizeof(u32)} | |
180 | , | |
1da177e4 | 181 | |
0897831b | 182 | /* Copy every IRQ in the table, each is 32 bits */ |
44f6c012 | 183 | |
0897831b BM |
184 | {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]), |
185 | AML_OFFSET(extended_irq.interrupts[0]), | |
186 | 0} | |
187 | , | |
1da177e4 | 188 | |
0897831b | 189 | /* Optional resource_source (Index and String) */ |
1da177e4 | 190 | |
0897831b BM |
191 | {ACPI_RSC_SOURCEX, ACPI_RS_OFFSET(data.extended_irq.resource_source), |
192 | ACPI_RS_OFFSET(data.extended_irq.interrupts[0]), | |
193 | sizeof(struct aml_resource_extended_irq)} | |
194 | }; | |
1da177e4 | 195 | |
1da177e4 LT |
196 | /******************************************************************************* |
197 | * | |
0897831b | 198 | * acpi_rs_convert_dma |
1da177e4 LT |
199 | * |
200 | ******************************************************************************/ | |
201 | ||
0897831b BM |
202 | struct acpi_rsconvert_info acpi_rs_convert_dma[6] = { |
203 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA, | |
204 | ACPI_RS_SIZE(struct acpi_resource_dma), | |
205 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_dma)}, | |
1da177e4 | 206 | |
0897831b BM |
207 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, |
208 | sizeof(struct aml_resource_dma), | |
209 | 0}, | |
44f6c012 | 210 | |
0897831b | 211 | /* Flags: transfer preference, bus mastering, channel speed */ |
1da177e4 | 212 | |
0897831b BM |
213 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer), |
214 | AML_OFFSET(dma.flags), | |
215 | 0}, | |
44f6c012 | 216 | |
0897831b BM |
217 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master), |
218 | AML_OFFSET(dma.flags), | |
219 | 2}, | |
1da177e4 | 220 | |
0897831b BM |
221 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type), |
222 | AML_OFFSET(dma.flags), | |
223 | 5}, | |
44f6c012 | 224 | |
0897831b | 225 | /* DMA channel mask bits */ |
1da177e4 | 226 | |
0897831b BM |
227 | {ACPI_RSC_BITMASK, ACPI_RS_OFFSET(data.dma.channels[0]), |
228 | AML_OFFSET(dma.dma_channel_mask), | |
229 | ACPI_RS_OFFSET(data.dma.channel_count)} | |
230 | }; |