Erik Schmauss | 9585763 | 2018-03-14 16:13:07 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /******************************************************************************* |
| 3 | * |
| 4 | * Module Name: rsmisc - Miscellaneous resource descriptors |
| 5 | * |
| 6 | ******************************************************************************/ |
| 7 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | #include <acpi/acpi.h> |
Len Brown | e2f7a77 | 2009-01-09 00:30:03 -0500 | [diff] [blame] | 9 | #include "accommon.h" |
| 10 | #include "acresrc.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | |
| 12 | #define _COMPONENT ACPI_RESOURCES |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 13 | ACPI_MODULE_NAME("rsmisc") |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 14 | #define INIT_RESOURCE_TYPE(i) i->resource_offset |
| 15 | #define INIT_RESOURCE_LENGTH(i) i->aml_offset |
| 16 | #define INIT_TABLE_LENGTH(i) i->value |
| 17 | #define COMPARE_OPCODE(i) i->resource_offset |
| 18 | #define COMPARE_TARGET(i) i->aml_offset |
| 19 | #define COMPARE_VALUE(i) i->value |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | /******************************************************************************* |
| 21 | * |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 22 | * FUNCTION: acpi_rs_convert_aml_to_resource |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | * |
Bob Moore | ba494be | 2012-07-12 09:40:10 +0800 | [diff] [blame] | 24 | * PARAMETERS: resource - Pointer to the resource descriptor |
| 25 | * aml - Where the AML descriptor is returned |
| 26 | * info - Pointer to appropriate conversion table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | * |
| 28 | * RETURN: Status |
| 29 | * |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 30 | * DESCRIPTION: Convert an external AML resource descriptor to the corresponding |
| 31 | * internal resource descriptor |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | * |
| 33 | ******************************************************************************/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | acpi_status |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 35 | acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, |
| 36 | union aml_resource *aml, |
| 37 | struct acpi_rsconvert_info *info) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | { |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 39 | acpi_rs_length aml_resource_length; |
| 40 | void *source; |
| 41 | void *destination; |
| 42 | char *target; |
| 43 | u8 count; |
| 44 | u8 flags_mode = FALSE; |
| 45 | u16 item_count = 0; |
| 46 | u16 temp16 = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 48 | ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 50 | if (!info) { |
| 51 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
| 52 | } |
| 53 | |
Lv Zheng | f5c1e1c | 2016-05-05 12:57:53 +0800 | [diff] [blame] | 54 | if (((acpi_size)resource) & 0x3) { |
Bob Moore | 52fc0b0 | 2006-10-02 00:00:00 -0400 | [diff] [blame] | 55 | |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 56 | /* Each internal resource struct is expected to be 32-bit aligned */ |
| 57 | |
| 58 | ACPI_WARNING((AE_INFO, |
Bob Moore | f6a22b0 | 2010-03-05 17:56:40 +0800 | [diff] [blame] | 59 | "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u", |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 60 | resource, resource->type, resource->length)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | } |
| 62 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 63 | /* Extract the resource Length field (does not include header length) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 65 | aml_resource_length = acpi_ut_get_resource_length(aml); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | |
| 67 | /* |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 68 | * First table entry must be ACPI_RSC_INITxxx and must contain the |
| 69 | * table length (# of table entries) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | */ |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 71 | count = INIT_TABLE_LENGTH(info); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 72 | while (count) { |
| 73 | /* |
| 74 | * Source is the external AML byte stream buffer, |
| 75 | * destination is the internal resource descriptor |
| 76 | */ |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 77 | source = ACPI_ADD_PTR(void, aml, info->aml_offset); |
| 78 | destination = |
| 79 | ACPI_ADD_PTR(void, resource, info->resource_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 81 | switch (info->opcode) { |
| 82 | case ACPI_RSC_INITGET: |
| 83 | /* |
| 84 | * Get the resource type and the initial (minimum) length |
| 85 | */ |
Bob Moore | 4fa4616 | 2015-07-01 14:45:11 +0800 | [diff] [blame] | 86 | memset(resource, 0, INIT_RESOURCE_LENGTH(info)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 87 | resource->type = INIT_RESOURCE_TYPE(info); |
| 88 | resource->length = INIT_RESOURCE_LENGTH(info); |
| 89 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 91 | case ACPI_RSC_INITSET: |
| 92 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 94 | case ACPI_RSC_FLAGINIT: |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 95 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 96 | flags_mode = TRUE; |
| 97 | break; |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 98 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 99 | case ACPI_RSC_1BITFLAG: |
| 100 | /* |
| 101 | * Mask and shift the flag bit |
| 102 | */ |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 103 | ACPI_SET8(destination, |
| 104 | ((ACPI_GET8(source) >> info->value) & 0x01)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 105 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 107 | case ACPI_RSC_2BITFLAG: |
| 108 | /* |
| 109 | * Mask and shift the flag bits |
| 110 | */ |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 111 | ACPI_SET8(destination, |
| 112 | ((ACPI_GET8(source) >> info->value) & 0x03)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 113 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 115 | case ACPI_RSC_3BITFLAG: |
| 116 | /* |
| 117 | * Mask and shift the flag bits |
| 118 | */ |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 119 | ACPI_SET8(destination, |
| 120 | ((ACPI_GET8(source) >> info->value) & 0x07)); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 121 | break; |
| 122 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 123 | case ACPI_RSC_COUNT: |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 124 | |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 125 | item_count = ACPI_GET8(source); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 126 | ACPI_SET8(destination, item_count); |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 127 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 128 | resource->length = resource->length + |
| 129 | (info->value * (item_count - 1)); |
| 130 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 132 | case ACPI_RSC_COUNT16: |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 133 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 134 | item_count = aml_resource_length; |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 135 | ACPI_SET16(destination, item_count); |
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 | resource->length = resource->length + |
| 138 | (info->value * (item_count - 1)); |
| 139 | break; |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 140 | |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 141 | case ACPI_RSC_COUNT_GPIO_PIN: |
| 142 | |
| 143 | target = ACPI_ADD_PTR(void, aml, info->value); |
| 144 | item_count = ACPI_GET16(target) - ACPI_GET16(source); |
| 145 | |
| 146 | resource->length = resource->length + item_count; |
| 147 | item_count = item_count / 2; |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 148 | ACPI_SET16(destination, item_count); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 149 | break; |
| 150 | |
| 151 | case ACPI_RSC_COUNT_GPIO_VEN: |
| 152 | |
| 153 | item_count = ACPI_GET8(source); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 154 | ACPI_SET8(destination, item_count); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 155 | |
Bob Moore | 1fad873 | 2015-12-29 13:54:36 +0800 | [diff] [blame] | 156 | resource->length = |
| 157 | resource->length + (info->value * item_count); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 158 | break; |
| 159 | |
| 160 | case ACPI_RSC_COUNT_GPIO_RES: |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 161 | /* |
| 162 | * Vendor data is optional (length/offset may both be zero) |
| 163 | * Examine vendor data length field first |
| 164 | */ |
| 165 | target = ACPI_ADD_PTR(void, aml, (info->value + 2)); |
| 166 | if (ACPI_GET16(target)) { |
| 167 | |
| 168 | /* Use vendor offset to get resource source length */ |
| 169 | |
| 170 | target = ACPI_ADD_PTR(void, aml, info->value); |
| 171 | item_count = |
| 172 | ACPI_GET16(target) - ACPI_GET16(source); |
| 173 | } else { |
| 174 | /* No vendor data to worry about */ |
| 175 | |
| 176 | item_count = aml->large_header.resource_length + |
| 177 | sizeof(struct aml_resource_large_header) - |
| 178 | ACPI_GET16(source); |
| 179 | } |
| 180 | |
| 181 | resource->length = resource->length + item_count; |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 182 | ACPI_SET16(destination, item_count); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 183 | break; |
| 184 | |
| 185 | case ACPI_RSC_COUNT_SERIAL_VEN: |
| 186 | |
| 187 | item_count = ACPI_GET16(source) - info->value; |
| 188 | |
| 189 | resource->length = resource->length + item_count; |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 190 | ACPI_SET16(destination, item_count); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 191 | break; |
| 192 | |
| 193 | case ACPI_RSC_COUNT_SERIAL_RES: |
| 194 | |
| 195 | item_count = (aml_resource_length + |
| 196 | sizeof(struct aml_resource_large_header)) |
| 197 | - ACPI_GET16(source) - info->value; |
| 198 | |
| 199 | resource->length = resource->length + item_count; |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 200 | ACPI_SET16(destination, item_count); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 201 | break; |
| 202 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 203 | case ACPI_RSC_LENGTH: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 205 | resource->length = resource->length + info->value; |
| 206 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 208 | case ACPI_RSC_MOVE8: |
| 209 | case ACPI_RSC_MOVE16: |
| 210 | case ACPI_RSC_MOVE32: |
| 211 | case ACPI_RSC_MOVE64: |
| 212 | /* |
| 213 | * Raw data move. Use the Info value field unless item_count has |
| 214 | * been previously initialized via a COUNT opcode |
| 215 | */ |
| 216 | if (info->value) { |
| 217 | item_count = info->value; |
| 218 | } |
| 219 | acpi_rs_move_data(destination, source, item_count, |
| 220 | info->opcode); |
| 221 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 223 | case ACPI_RSC_MOVE_GPIO_PIN: |
| 224 | |
| 225 | /* Generate and set the PIN data pointer */ |
| 226 | |
| 227 | target = (char *)ACPI_ADD_PTR(void, resource, |
| 228 | (resource->length - |
| 229 | item_count * 2)); |
| 230 | *(u16 **)destination = ACPI_CAST_PTR(u16, target); |
| 231 | |
| 232 | /* Copy the PIN data */ |
| 233 | |
| 234 | source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source)); |
| 235 | acpi_rs_move_data(target, source, item_count, |
| 236 | info->opcode); |
| 237 | break; |
| 238 | |
| 239 | case ACPI_RSC_MOVE_GPIO_RES: |
| 240 | |
| 241 | /* Generate and set the resource_source string pointer */ |
| 242 | |
| 243 | target = (char *)ACPI_ADD_PTR(void, resource, |
| 244 | (resource->length - |
| 245 | item_count)); |
| 246 | *(u8 **)destination = ACPI_CAST_PTR(u8, target); |
| 247 | |
| 248 | /* Copy the resource_source string */ |
| 249 | |
| 250 | source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source)); |
| 251 | acpi_rs_move_data(target, source, item_count, |
| 252 | info->opcode); |
| 253 | break; |
| 254 | |
| 255 | case ACPI_RSC_MOVE_SERIAL_VEN: |
| 256 | |
| 257 | /* Generate and set the Vendor Data pointer */ |
| 258 | |
| 259 | target = (char *)ACPI_ADD_PTR(void, resource, |
| 260 | (resource->length - |
| 261 | item_count)); |
| 262 | *(u8 **)destination = ACPI_CAST_PTR(u8, target); |
| 263 | |
| 264 | /* Copy the Vendor Data */ |
| 265 | |
| 266 | source = ACPI_ADD_PTR(void, aml, info->value); |
| 267 | acpi_rs_move_data(target, source, item_count, |
| 268 | info->opcode); |
| 269 | break; |
| 270 | |
| 271 | case ACPI_RSC_MOVE_SERIAL_RES: |
| 272 | |
| 273 | /* Generate and set the resource_source string pointer */ |
| 274 | |
| 275 | target = (char *)ACPI_ADD_PTR(void, resource, |
| 276 | (resource->length - |
| 277 | item_count)); |
| 278 | *(u8 **)destination = ACPI_CAST_PTR(u8, target); |
| 279 | |
| 280 | /* Copy the resource_source string */ |
| 281 | |
| 282 | source = |
| 283 | ACPI_ADD_PTR(void, aml, |
| 284 | (ACPI_GET16(source) + info->value)); |
| 285 | acpi_rs_move_data(target, source, item_count, |
| 286 | info->opcode); |
| 287 | break; |
| 288 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 289 | case ACPI_RSC_SET8: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | |
Bob Moore | 4fa4616 | 2015-07-01 14:45:11 +0800 | [diff] [blame] | 291 | memset(destination, info->aml_offset, info->value); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 292 | break; |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 293 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 294 | case ACPI_RSC_DATA8: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 296 | target = ACPI_ADD_PTR(char, resource, info->value); |
Bob Moore | 4fa4616 | 2015-07-01 14:45:11 +0800 | [diff] [blame] | 297 | memcpy(destination, source, ACPI_GET16(target)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 298 | break; |
| 299 | |
| 300 | case ACPI_RSC_ADDRESS: |
| 301 | /* |
| 302 | * Common handler for address descriptor flags |
| 303 | */ |
| 304 | if (!acpi_rs_get_address_common(resource, aml)) { |
| 305 | return_ACPI_STATUS |
| 306 | (AE_AML_INVALID_RESOURCE_TYPE); |
| 307 | } |
| 308 | break; |
| 309 | |
| 310 | case ACPI_RSC_SOURCE: |
| 311 | /* |
| 312 | * Optional resource_source (Index and String) |
| 313 | */ |
| 314 | resource->length += |
| 315 | acpi_rs_get_resource_source(aml_resource_length, |
| 316 | info->value, |
| 317 | destination, aml, NULL); |
| 318 | break; |
| 319 | |
| 320 | case ACPI_RSC_SOURCEX: |
| 321 | /* |
| 322 | * Optional resource_source (Index and String). This is the more |
| 323 | * complicated case used by the Interrupt() macro |
| 324 | */ |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 325 | target = ACPI_ADD_PTR(char, resource, |
| 326 | info->aml_offset + |
| 327 | (item_count * 4)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 328 | |
| 329 | resource->length += |
| 330 | acpi_rs_get_resource_source(aml_resource_length, |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 331 | (acpi_rs_length) |
| 332 | (((item_count - |
| 333 | 1) * sizeof(u32)) + |
| 334 | info->value), |
| 335 | destination, aml, |
| 336 | target); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 337 | break; |
| 338 | |
| 339 | case ACPI_RSC_BITMASK: |
| 340 | /* |
| 341 | * 8-bit encoded bitmask (DMA macro) |
| 342 | */ |
| 343 | item_count = |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 344 | acpi_rs_decode_bitmask(ACPI_GET8(source), |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 345 | destination); |
| 346 | if (item_count) { |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 347 | resource->length += (item_count - 1); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 348 | } |
| 349 | |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 350 | target = ACPI_ADD_PTR(char, resource, info->value); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 351 | ACPI_SET8(target, item_count); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 352 | break; |
| 353 | |
| 354 | case ACPI_RSC_BITMASK16: |
| 355 | /* |
| 356 | * 16-bit encoded bitmask (IRQ macro) |
| 357 | */ |
| 358 | ACPI_MOVE_16_TO_16(&temp16, source); |
| 359 | |
| 360 | item_count = |
| 361 | acpi_rs_decode_bitmask(temp16, destination); |
| 362 | if (item_count) { |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 363 | resource->length += (item_count - 1); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 364 | } |
| 365 | |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 366 | target = ACPI_ADD_PTR(char, resource, info->value); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 367 | ACPI_SET8(target, item_count); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 368 | break; |
| 369 | |
| 370 | case ACPI_RSC_EXIT_NE: |
| 371 | /* |
Bob Moore | ba494be | 2012-07-12 09:40:10 +0800 | [diff] [blame] | 372 | * control - Exit conversion if not equal |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 373 | */ |
| 374 | switch (info->resource_offset) { |
| 375 | case ACPI_RSC_COMPARE_AML_LENGTH: |
Chao Guan | 1d1ea1b7 | 2013-06-08 00:58:14 +0000 | [diff] [blame] | 376 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 377 | if (aml_resource_length != info->value) { |
| 378 | goto exit; |
| 379 | } |
| 380 | break; |
| 381 | |
| 382 | case ACPI_RSC_COMPARE_VALUE: |
Chao Guan | 1d1ea1b7 | 2013-06-08 00:58:14 +0000 | [diff] [blame] | 383 | |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 384 | if (ACPI_GET8(source) != info->value) { |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 385 | goto exit; |
| 386 | } |
| 387 | break; |
| 388 | |
| 389 | default: |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 390 | |
| 391 | ACPI_ERROR((AE_INFO, |
| 392 | "Invalid conversion sub-opcode")); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 393 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
| 394 | } |
| 395 | break; |
| 396 | |
| 397 | default: |
| 398 | |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 399 | ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 400 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | } |
| 402 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 403 | count--; |
| 404 | info++; |
| 405 | } |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 406 | |
Lv Zheng | 10622bf | 2013-10-29 09:30:02 +0800 | [diff] [blame] | 407 | exit: |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 408 | if (!flags_mode) { |
Bob Moore | 52fc0b0 | 2006-10-02 00:00:00 -0400 | [diff] [blame] | 409 | |
Bob Moore | ea936b7 | 2006-02-17 00:00:00 -0500 | [diff] [blame] | 410 | /* Round the resource struct length up to the next boundary (32 or 64) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | |
Bob Moore | 1fad873 | 2015-12-29 13:54:36 +0800 | [diff] [blame] | 412 | resource->length = (u32) |
| 413 | ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 414 | } |
| 415 | return_ACPI_STATUS(AE_OK); |
| 416 | } |
| 417 | |
| 418 | /******************************************************************************* |
| 419 | * |
| 420 | * FUNCTION: acpi_rs_convert_resource_to_aml |
| 421 | * |
Bob Moore | ba494be | 2012-07-12 09:40:10 +0800 | [diff] [blame] | 422 | * PARAMETERS: resource - Pointer to the resource descriptor |
| 423 | * aml - Where the AML descriptor is returned |
| 424 | * info - Pointer to appropriate conversion table |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 425 | * |
| 426 | * RETURN: Status |
| 427 | * |
| 428 | * DESCRIPTION: Convert an internal resource descriptor to the corresponding |
| 429 | * external AML resource descriptor. |
| 430 | * |
| 431 | ******************************************************************************/ |
| 432 | |
| 433 | acpi_status |
| 434 | acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, |
| 435 | union aml_resource *aml, |
| 436 | struct acpi_rsconvert_info *info) |
| 437 | { |
| 438 | void *source = NULL; |
| 439 | void *destination; |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 440 | char *target; |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 441 | acpi_rsdesc_size aml_length = 0; |
| 442 | u8 count; |
| 443 | u16 temp16 = 0; |
| 444 | u16 item_count = 0; |
| 445 | |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 446 | ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 447 | |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 448 | if (!info) { |
| 449 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
| 450 | } |
| 451 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 452 | /* |
| 453 | * First table entry must be ACPI_RSC_INITxxx and must contain the |
| 454 | * table length (# of table entries) |
| 455 | */ |
| 456 | count = INIT_TABLE_LENGTH(info); |
| 457 | |
| 458 | while (count) { |
| 459 | /* |
| 460 | * Source is the internal resource descriptor, |
| 461 | * destination is the external AML byte stream buffer |
| 462 | */ |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 463 | source = ACPI_ADD_PTR(void, resource, info->resource_offset); |
| 464 | destination = ACPI_ADD_PTR(void, aml, info->aml_offset); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 465 | |
| 466 | switch (info->opcode) { |
| 467 | case ACPI_RSC_INITSET: |
| 468 | |
Bob Moore | 4fa4616 | 2015-07-01 14:45:11 +0800 | [diff] [blame] | 469 | memset(aml, 0, INIT_RESOURCE_LENGTH(info)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 470 | aml_length = INIT_RESOURCE_LENGTH(info); |
| 471 | acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info), |
| 472 | aml_length, aml); |
| 473 | break; |
| 474 | |
| 475 | case ACPI_RSC_INITGET: |
| 476 | break; |
| 477 | |
| 478 | case ACPI_RSC_FLAGINIT: |
| 479 | /* |
| 480 | * Clear the flag byte |
| 481 | */ |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 482 | ACPI_SET8(destination, 0); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 483 | break; |
| 484 | |
| 485 | case ACPI_RSC_1BITFLAG: |
| 486 | /* |
| 487 | * Mask and shift the flag bit |
| 488 | */ |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 489 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) |
| 490 | ((ACPI_GET8(source) & 0x01) << info-> |
| 491 | value)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 492 | break; |
| 493 | |
| 494 | case ACPI_RSC_2BITFLAG: |
| 495 | /* |
| 496 | * Mask and shift the flag bits |
| 497 | */ |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 498 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) |
| 499 | ((ACPI_GET8(source) & 0x03) << info-> |
| 500 | value)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 501 | break; |
| 502 | |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 503 | case ACPI_RSC_3BITFLAG: |
| 504 | /* |
| 505 | * Mask and shift the flag bits |
| 506 | */ |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 507 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) |
| 508 | ((ACPI_GET8(source) & 0x07) << info-> |
| 509 | value)); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 510 | break; |
| 511 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 512 | case ACPI_RSC_COUNT: |
| 513 | |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 514 | item_count = ACPI_GET8(source); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 515 | ACPI_SET8(destination, item_count); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 516 | |
Bob Moore | 1fad873 | 2015-12-29 13:54:36 +0800 | [diff] [blame] | 517 | aml_length = (u16) |
| 518 | (aml_length + (info->value * (item_count - 1))); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 519 | break; |
| 520 | |
| 521 | case ACPI_RSC_COUNT16: |
| 522 | |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 523 | item_count = ACPI_GET16(source); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 524 | aml_length = (u16) (aml_length + item_count); |
| 525 | acpi_rs_set_resource_length(aml_length, aml); |
| 526 | break; |
| 527 | |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 528 | case ACPI_RSC_COUNT_GPIO_PIN: |
| 529 | |
| 530 | item_count = ACPI_GET16(source); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 531 | ACPI_SET16(destination, aml_length); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 532 | |
| 533 | aml_length = (u16)(aml_length + item_count * 2); |
| 534 | target = ACPI_ADD_PTR(void, aml, info->value); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 535 | ACPI_SET16(target, aml_length); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 536 | acpi_rs_set_resource_length(aml_length, aml); |
| 537 | break; |
| 538 | |
| 539 | case ACPI_RSC_COUNT_GPIO_VEN: |
| 540 | |
| 541 | item_count = ACPI_GET16(source); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 542 | ACPI_SET16(destination, item_count); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 543 | |
| 544 | aml_length = |
| 545 | (u16)(aml_length + (info->value * item_count)); |
| 546 | acpi_rs_set_resource_length(aml_length, aml); |
| 547 | break; |
| 548 | |
| 549 | case ACPI_RSC_COUNT_GPIO_RES: |
| 550 | |
| 551 | /* Set resource source string length */ |
| 552 | |
| 553 | item_count = ACPI_GET16(source); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 554 | ACPI_SET16(destination, aml_length); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 555 | |
| 556 | /* Compute offset for the Vendor Data */ |
| 557 | |
| 558 | aml_length = (u16)(aml_length + item_count); |
| 559 | target = ACPI_ADD_PTR(void, aml, info->value); |
| 560 | |
| 561 | /* Set vendor offset only if there is vendor data */ |
| 562 | |
Mika Westerberg | cf45b58 | 2017-06-05 16:39:50 +0800 | [diff] [blame] | 563 | ACPI_SET16(target, aml_length); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 564 | |
| 565 | acpi_rs_set_resource_length(aml_length, aml); |
| 566 | break; |
| 567 | |
| 568 | case ACPI_RSC_COUNT_SERIAL_VEN: |
| 569 | |
| 570 | item_count = ACPI_GET16(source); |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 571 | ACPI_SET16(destination, item_count + info->value); |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 572 | aml_length = (u16)(aml_length + item_count); |
| 573 | acpi_rs_set_resource_length(aml_length, aml); |
| 574 | break; |
| 575 | |
| 576 | case ACPI_RSC_COUNT_SERIAL_RES: |
| 577 | |
| 578 | item_count = ACPI_GET16(source); |
| 579 | aml_length = (u16)(aml_length + item_count); |
| 580 | acpi_rs_set_resource_length(aml_length, aml); |
| 581 | break; |
| 582 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 583 | case ACPI_RSC_LENGTH: |
| 584 | |
| 585 | acpi_rs_set_resource_length(info->value, aml); |
| 586 | break; |
| 587 | |
| 588 | case ACPI_RSC_MOVE8: |
| 589 | case ACPI_RSC_MOVE16: |
| 590 | case ACPI_RSC_MOVE32: |
| 591 | case ACPI_RSC_MOVE64: |
| 592 | |
| 593 | if (info->value) { |
| 594 | item_count = info->value; |
| 595 | } |
| 596 | acpi_rs_move_data(destination, source, item_count, |
| 597 | info->opcode); |
| 598 | break; |
| 599 | |
Lin Ming | e0fe0a8 | 2011-11-16 14:38:13 +0800 | [diff] [blame] | 600 | case ACPI_RSC_MOVE_GPIO_PIN: |
| 601 | |
| 602 | destination = (char *)ACPI_ADD_PTR(void, aml, |
| 603 | ACPI_GET16 |
| 604 | (destination)); |
| 605 | source = *(u16 **)source; |
| 606 | acpi_rs_move_data(destination, source, item_count, |
| 607 | info->opcode); |
| 608 | break; |
| 609 | |
| 610 | case ACPI_RSC_MOVE_GPIO_RES: |
| 611 | |
| 612 | /* Used for both resource_source string and vendor_data */ |
| 613 | |
| 614 | destination = (char *)ACPI_ADD_PTR(void, aml, |
| 615 | ACPI_GET16 |
| 616 | (destination)); |
| 617 | source = *(u8 **)source; |
| 618 | acpi_rs_move_data(destination, source, item_count, |
| 619 | info->opcode); |
| 620 | break; |
| 621 | |
| 622 | case ACPI_RSC_MOVE_SERIAL_VEN: |
| 623 | |
| 624 | destination = (char *)ACPI_ADD_PTR(void, aml, |
| 625 | (aml_length - |
| 626 | item_count)); |
| 627 | source = *(u8 **)source; |
| 628 | acpi_rs_move_data(destination, source, item_count, |
| 629 | info->opcode); |
| 630 | break; |
| 631 | |
| 632 | case ACPI_RSC_MOVE_SERIAL_RES: |
| 633 | |
| 634 | destination = (char *)ACPI_ADD_PTR(void, aml, |
| 635 | (aml_length - |
| 636 | item_count)); |
| 637 | source = *(u8 **)source; |
| 638 | acpi_rs_move_data(destination, source, item_count, |
| 639 | info->opcode); |
| 640 | break; |
| 641 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 642 | case ACPI_RSC_ADDRESS: |
| 643 | |
| 644 | /* Set the Resource Type, General Flags, and Type-Specific Flags */ |
| 645 | |
| 646 | acpi_rs_set_address_common(aml, resource); |
| 647 | break; |
| 648 | |
| 649 | case ACPI_RSC_SOURCEX: |
| 650 | /* |
| 651 | * Optional resource_source (Index and String) |
| 652 | */ |
| 653 | aml_length = |
Lv Zheng | 3e8214e | 2012-12-19 05:37:15 +0000 | [diff] [blame] | 654 | acpi_rs_set_resource_source(aml, |
| 655 | (acpi_rs_length) |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 656 | aml_length, source); |
| 657 | acpi_rs_set_resource_length(aml_length, aml); |
| 658 | break; |
| 659 | |
| 660 | case ACPI_RSC_SOURCE: |
| 661 | /* |
| 662 | * Optional resource_source (Index and String). This is the more |
| 663 | * complicated case used by the Interrupt() macro |
| 664 | */ |
| 665 | aml_length = |
| 666 | acpi_rs_set_resource_source(aml, info->value, |
| 667 | source); |
| 668 | acpi_rs_set_resource_length(aml_length, aml); |
| 669 | break; |
| 670 | |
| 671 | case ACPI_RSC_BITMASK: |
| 672 | /* |
| 673 | * 8-bit encoded bitmask (DMA macro) |
| 674 | */ |
Lv Zheng | 57bf6ae | 2012-12-19 05:38:24 +0000 | [diff] [blame] | 675 | ACPI_SET8(destination, |
| 676 | acpi_rs_encode_bitmask(source, |
| 677 | *ACPI_ADD_PTR(u8, |
| 678 | resource, |
| 679 | info-> |
| 680 | value))); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 681 | break; |
| 682 | |
| 683 | case ACPI_RSC_BITMASK16: |
| 684 | /* |
| 685 | * 16-bit encoded bitmask (IRQ macro) |
| 686 | */ |
Bob Moore | 1fad873 | 2015-12-29 13:54:36 +0800 | [diff] [blame] | 687 | temp16 = |
| 688 | acpi_rs_encode_bitmask(source, |
| 689 | *ACPI_ADD_PTR(u8, resource, |
| 690 | info->value)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 691 | ACPI_MOVE_16_TO_16(destination, &temp16); |
| 692 | break; |
| 693 | |
| 694 | case ACPI_RSC_EXIT_LE: |
| 695 | /* |
Bob Moore | ba494be | 2012-07-12 09:40:10 +0800 | [diff] [blame] | 696 | * control - Exit conversion if less than or equal |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 697 | */ |
| 698 | if (item_count <= info->value) { |
| 699 | goto exit; |
| 700 | } |
| 701 | break; |
| 702 | |
| 703 | case ACPI_RSC_EXIT_NE: |
| 704 | /* |
Bob Moore | ba494be | 2012-07-12 09:40:10 +0800 | [diff] [blame] | 705 | * control - Exit conversion if not equal |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 706 | */ |
| 707 | switch (COMPARE_OPCODE(info)) { |
| 708 | case ACPI_RSC_COMPARE_VALUE: |
Bob Moore | c51a4de | 2005-11-17 13:07:00 -0500 | [diff] [blame] | 709 | |
| 710 | if (*ACPI_ADD_PTR(u8, resource, |
| 711 | COMPARE_TARGET(info)) != |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 712 | COMPARE_VALUE(info)) { |
| 713 | goto exit; |
| 714 | } |
| 715 | break; |
| 716 | |
| 717 | default: |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 718 | |
| 719 | ACPI_ERROR((AE_INFO, |
| 720 | "Invalid conversion sub-opcode")); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 721 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
| 722 | } |
| 723 | break; |
| 724 | |
Bob Moore | 1d5b285 | 2008-04-10 19:06:43 +0400 | [diff] [blame] | 725 | case ACPI_RSC_EXIT_EQ: |
| 726 | /* |
Bob Moore | ba494be | 2012-07-12 09:40:10 +0800 | [diff] [blame] | 727 | * control - Exit conversion if equal |
Bob Moore | 1d5b285 | 2008-04-10 19:06:43 +0400 | [diff] [blame] | 728 | */ |
| 729 | if (*ACPI_ADD_PTR(u8, resource, |
| 730 | COMPARE_TARGET(info)) == |
| 731 | COMPARE_VALUE(info)) { |
| 732 | goto exit; |
| 733 | } |
| 734 | break; |
| 735 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 736 | default: |
| 737 | |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 738 | ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 739 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | } |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 741 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 742 | count--; |
| 743 | info++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | } |
| 745 | |
Lv Zheng | 10622bf | 2013-10-29 09:30:02 +0800 | [diff] [blame] | 746 | exit: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 747 | return_ACPI_STATUS(AE_OK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 748 | } |
| 749 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 750 | #if 0 |
| 751 | /* Previous resource validations */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 752 | |
Bob Moore | ba494be | 2012-07-12 09:40:10 +0800 | [diff] [blame] | 753 | if (aml->ext_address64.revision_ID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 754 | return_ACPI_STATUS(AE_SUPPORT); |
| 755 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 757 | if (resource->data.start_dpf.performance_robustness >= 3) { |
| 758 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); |
| 759 | } |
| 760 | |
| 761 | if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 762 | /* |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 763 | * Only [active_high, edge_sensitive] or [active_low, level_sensitive] |
| 764 | * polarity/trigger interrupts are allowed (ACPI spec, section |
| 765 | * "IRQ Format"), so 0x00 and 0x09 are illegal. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | */ |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 767 | ACPI_ERROR((AE_INFO, |
Bob Moore | f6a22b0 | 2010-03-05 17:56:40 +0800 | [diff] [blame] | 768 | "Invalid interrupt polarity/trigger in resource list, 0x%X", |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 769 | aml->irq.flags)); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 770 | return_ACPI_STATUS(AE_BAD_DATA); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 771 | } |
| 772 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 773 | resource->data.extended_irq.interrupt_count = temp8; |
| 774 | if (temp8 < 1) { |
Bob Moore | 52fc0b0 | 2006-10-02 00:00:00 -0400 | [diff] [blame] | 775 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 776 | /* Must have at least one IRQ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 777 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 778 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 779 | } |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 780 | |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 781 | if (resource->data.dma.transfer == 0x03) { |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 782 | ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)")); |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 783 | return_ACPI_STATUS(AE_BAD_DATA); |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 784 | } |
Bob Moore | 0897831 | 2005-10-21 00:00:00 -0400 | [diff] [blame] | 785 | #endif |