Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | * |
| 3 | * Module Name: rsirq - IRQ resource descriptors |
| 4 | * |
| 5 | ******************************************************************************/ |
| 6 | |
| 7 | /* |
Bob Moore | 6c9deb7 | 2007-02-02 19:48:24 +0300 | [diff] [blame] | 8 | * Copyright (C) 2000 - 2007, R. Byron Moore |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | #include <acpi/acpi.h> |
| 45 | #include <acpi/acresrc.h> |
| 46 | |
| 47 | #define _COMPONENT ACPI_RESOURCES |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 48 | ACPI_MODULE_NAME("rsirq") |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
| 50 | /******************************************************************************* |
| 51 | * |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 52 | * acpi_rs_get_irq |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | * |
| 54 | ******************************************************************************/ |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 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)}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 60 | /* Get the IRQ mask (bytes 1:2) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 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)}, |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 65 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 66 | /* Set default flags (others are zero) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 68 | {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering), |
| 69 | ACPI_EDGE_SENSITIVE, |
| 70 | 1}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 72 | /* All done if no flag byte present in descriptor */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 74 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3}, |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 75 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 76 | /* Get flags: Triggering[0], Polarity[3], Sharing[4] */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 78 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering), |
| 79 | AML_OFFSET(irq.flags), |
| 80 | 0}, |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 81 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 82 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity), |
| 83 | AML_OFFSET(irq.flags), |
| 84 | 3}, |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 85 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 86 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable), |
| 87 | AML_OFFSET(irq.flags), |
| 88 | 4} |
| 89 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | /******************************************************************************* |
| 92 | * |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 93 | * acpi_rs_set_irq |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | * |
| 95 | ******************************************************************************/ |
| 96 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 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)}, |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 101 | |
| 102 | /* Convert interrupt list to 16-bit IRQ bitmask */ |
| 103 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 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)}, |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 107 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 108 | /* Set the flags byte by default */ |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 109 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 110 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering), |
| 111 | AML_OFFSET(irq.flags), |
| 112 | 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 114 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity), |
| 115 | AML_OFFSET(irq.flags), |
| 116 | 3}, |
| 117 | |
| 118 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable), |
| 119 | AML_OFFSET(irq.flags), |
| 120 | 4}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | /* |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 122 | * Check if the flags byte is necessary. Not needed if the flags are: |
| 123 | * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | */ |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 125 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
| 126 | ACPI_RS_OFFSET(data.irq.triggering), |
| 127 | ACPI_EDGE_SENSITIVE}, |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 128 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 129 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
| 130 | ACPI_RS_OFFSET(data.irq.polarity), |
| 131 | ACPI_ACTIVE_HIGH}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 133 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
| 134 | ACPI_RS_OFFSET(data.irq.sharable), |
| 135 | ACPI_EXCLUSIVE}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 137 | /* irq_no_flags() descriptor can be used */ |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 138 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 139 | {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)} |
| 140 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | /******************************************************************************* |
| 143 | * |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 144 | * acpi_rs_convert_ext_irq |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | * |
| 146 | ******************************************************************************/ |
| 147 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 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)}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 153 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ, |
| 154 | sizeof(struct aml_resource_extended_irq), |
| 155 | 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 157 | /* Flag bits */ |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 158 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 159 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer), |
| 160 | AML_OFFSET(extended_irq.flags), |
| 161 | 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 163 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering), |
| 164 | AML_OFFSET(extended_irq.flags), |
| 165 | 1}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 167 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity), |
| 168 | AML_OFFSET(extended_irq.flags), |
| 169 | 2}, |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 170 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 171 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable), |
| 172 | AML_OFFSET(extended_irq.flags), |
| 173 | 3}, |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 174 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 175 | /* IRQ Table length (Byte4) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 177 | {ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count), |
| 178 | AML_OFFSET(extended_irq.interrupt_count), |
| 179 | sizeof(u32)} |
| 180 | , |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 182 | /* Copy every IRQ in the table, each is 32 bits */ |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 183 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 184 | {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]), |
| 185 | AML_OFFSET(extended_irq.interrupts[0]), |
| 186 | 0} |
| 187 | , |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 189 | /* Optional resource_source (Index and String) */ |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 190 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 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 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | /******************************************************************************* |
| 197 | * |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 198 | * acpi_rs_convert_dma |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | * |
| 200 | ******************************************************************************/ |
| 201 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 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)}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 207 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA, |
| 208 | sizeof(struct aml_resource_dma), |
| 209 | 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 211 | /* Flags: transfer preference, bus mastering, channel speed */ |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 212 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 213 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer), |
| 214 | AML_OFFSET(dma.flags), |
| 215 | 0}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 217 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master), |
| 218 | AML_OFFSET(dma.flags), |
| 219 | 2}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 221 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type), |
| 222 | AML_OFFSET(dma.flags), |
| 223 | 5}, |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 224 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 225 | /* DMA channel mask bits */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 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 | }; |