diff options
Diffstat (limited to 'drivers/acpi/resources/rsmisc.c')
| -rw-r--r-- | drivers/acpi/resources/rsmisc.c | 860 |
1 files changed, 440 insertions, 420 deletions
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c index 7a8a34e757f5..ed866cf1c6d2 100644 --- a/drivers/acpi/resources/rsmisc.c +++ b/drivers/acpi/resources/rsmisc.c | |||
| @@ -5,7 +5,7 @@ | |||
| 5 | ******************************************************************************/ | 5 | ******************************************************************************/ |
| 6 | 6 | ||
| 7 | /* | 7 | /* |
| 8 | * Copyright (C) 2000 - 2005, R. Byron Moore | 8 | * Copyright (C) 2000 - 2006, R. Byron Moore |
| 9 | * All rights reserved. | 9 | * All rights reserved. |
| 10 | * | 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without | 11 | * Redistribution and use in source and binary forms, with or without |
| @@ -47,481 +47,501 @@ | |||
| 47 | #define _COMPONENT ACPI_RESOURCES | 47 | #define _COMPONENT ACPI_RESOURCES |
| 48 | ACPI_MODULE_NAME("rsmisc") | 48 | ACPI_MODULE_NAME("rsmisc") |
| 49 | 49 | ||
| 50 | #define INIT_RESOURCE_TYPE(i) i->resource_offset | ||
| 51 | #define INIT_RESOURCE_LENGTH(i) i->aml_offset | ||
| 52 | #define INIT_TABLE_LENGTH(i) i->value | ||
| 53 | #define COMPARE_OPCODE(i) i->resource_offset | ||
| 54 | #define COMPARE_TARGET(i) i->aml_offset | ||
| 55 | #define COMPARE_VALUE(i) i->value | ||
| 50 | /******************************************************************************* | 56 | /******************************************************************************* |
| 51 | * | 57 | * |
| 52 | * FUNCTION: acpi_rs_end_tag_resource | 58 | * FUNCTION: acpi_rs_convert_aml_to_resource |
| 53 | * | 59 | * |
| 54 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte | 60 | * PARAMETERS: Resource - Pointer to the resource descriptor |
| 55 | * stream | 61 | * Aml - Where the AML descriptor is returned |
| 56 | * bytes_consumed - Pointer to where the number of bytes | 62 | * Info - Pointer to appropriate conversion table |
| 57 | * consumed the byte_stream_buffer is | ||
| 58 | * returned | ||
| 59 | * output_buffer - Pointer to the return data buffer | ||
| 60 | * structure_size - Pointer to where the number of bytes | ||
| 61 | * in the return data struct is returned | ||
| 62 | * | 63 | * |
| 63 | * RETURN: Status | 64 | * RETURN: Status |
| 64 | * | 65 | * |
| 65 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate | 66 | * DESCRIPTION: Convert an external AML resource descriptor to the corresponding |
| 66 | * structure pointed to by the output_buffer. Return the | 67 | * internal resource descriptor |
| 67 | * number of bytes consumed from the byte stream. | ||
| 68 | * | 68 | * |
| 69 | ******************************************************************************/ | 69 | ******************************************************************************/ |
| 70 | acpi_status | 70 | acpi_status |
| 71 | acpi_rs_end_tag_resource(u8 * byte_stream_buffer, | 71 | acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, |
| 72 | acpi_size * bytes_consumed, | 72 | union aml_resource *aml, |
| 73 | u8 ** output_buffer, acpi_size * structure_size) | 73 | struct acpi_rsconvert_info *info) |
| 74 | { | 74 | { |
| 75 | struct acpi_resource *output_struct = (void *)*output_buffer; | 75 | acpi_rs_length aml_resource_length; |
| 76 | acpi_size struct_size = ACPI_RESOURCE_LENGTH; | 76 | void *source; |
| 77 | 77 | void *destination; | |
| 78 | ACPI_FUNCTION_TRACE("rs_end_tag_resource"); | 78 | char *target; |
| 79 | 79 | u8 count; | |
| 80 | /* The number of bytes consumed is static */ | 80 | u8 flags_mode = FALSE; |
| 81 | 81 | u16 item_count = 0; | |
| 82 | *bytes_consumed = 2; | ||
| 83 | |||
| 84 | /* Fill out the structure */ | ||
| 85 | |||
| 86 | output_struct->id = ACPI_RSTYPE_END_TAG; | ||
| 87 | |||
| 88 | /* Set the Length parameter */ | ||
| 89 | |||
| 90 | output_struct->length = 0; | ||
| 91 | |||
| 92 | /* Return the final size of the structure */ | ||
| 93 | |||
| 94 | *structure_size = struct_size; | ||
| 95 | return_ACPI_STATUS(AE_OK); | ||
| 96 | } | ||
| 97 | |||
| 98 | /******************************************************************************* | ||
| 99 | * | ||
| 100 | * FUNCTION: acpi_rs_end_tag_stream | ||
| 101 | * | ||
| 102 | * PARAMETERS: linked_list - Pointer to the resource linked list | ||
| 103 | * output_buffer - Pointer to the user's return buffer | ||
| 104 | * bytes_consumed - Pointer to where the number of bytes | ||
| 105 | * used in the output_buffer is returned | ||
| 106 | * | ||
| 107 | * RETURN: Status | ||
| 108 | * | ||
| 109 | * DESCRIPTION: Take the linked list resource structure and fills in the | ||
| 110 | * the appropriate bytes in a byte stream | ||
| 111 | * | ||
| 112 | ******************************************************************************/ | ||
| 113 | |||
| 114 | acpi_status | ||
| 115 | acpi_rs_end_tag_stream(struct acpi_resource *linked_list, | ||
| 116 | u8 ** output_buffer, acpi_size * bytes_consumed) | ||
| 117 | { | ||
| 118 | u8 *buffer = *output_buffer; | ||
| 119 | u8 temp8 = 0; | ||
| 120 | |||
| 121 | ACPI_FUNCTION_TRACE("rs_end_tag_stream"); | ||
| 122 | |||
| 123 | /* The descriptor field is static */ | ||
| 124 | |||
| 125 | *buffer = 0x79; | ||
| 126 | buffer += 1; | ||
| 127 | |||
| 128 | /* | ||
| 129 | * Set the Checksum - zero means that the resource data is treated as if | ||
| 130 | * the checksum operation succeeded (ACPI Spec 1.0b Section 6.4.2.8) | ||
| 131 | */ | ||
| 132 | temp8 = 0; | ||
| 133 | |||
| 134 | *buffer = temp8; | ||
| 135 | buffer += 1; | ||
| 136 | |||
| 137 | /* Return the number of bytes consumed in this operation */ | ||
| 138 | |||
| 139 | *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); | ||
| 140 | return_ACPI_STATUS(AE_OK); | ||
| 141 | } | ||
| 142 | |||
| 143 | /******************************************************************************* | ||
| 144 | * | ||
| 145 | * FUNCTION: acpi_rs_vendor_resource | ||
| 146 | * | ||
| 147 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte | ||
| 148 | * stream | ||
| 149 | * bytes_consumed - Pointer to where the number of bytes | ||
| 150 | * consumed the byte_stream_buffer is | ||
| 151 | * returned | ||
| 152 | * output_buffer - Pointer to the return data buffer | ||
| 153 | * structure_size - Pointer to where the number of bytes | ||
| 154 | * in the return data struct is returned | ||
| 155 | * | ||
| 156 | * RETURN: Status | ||
| 157 | * | ||
| 158 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate | ||
| 159 | * structure pointed to by the output_buffer. Return the | ||
| 160 | * number of bytes consumed from the byte stream. | ||
| 161 | * | ||
| 162 | ******************************************************************************/ | ||
| 163 | |||
| 164 | acpi_status | ||
| 165 | acpi_rs_vendor_resource(u8 * byte_stream_buffer, | ||
| 166 | acpi_size * bytes_consumed, | ||
| 167 | u8 ** output_buffer, acpi_size * structure_size) | ||
| 168 | { | ||
| 169 | u8 *buffer = byte_stream_buffer; | ||
| 170 | struct acpi_resource *output_struct = (void *)*output_buffer; | ||
| 171 | u16 temp16 = 0; | 82 | u16 temp16 = 0; |
| 172 | u8 temp8 = 0; | ||
| 173 | u8 index; | ||
| 174 | acpi_size struct_size = | ||
| 175 | ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor); | ||
| 176 | |||
| 177 | ACPI_FUNCTION_TRACE("rs_vendor_resource"); | ||
| 178 | |||
| 179 | /* Dereference the Descriptor to find if this is a large or small item. */ | ||
| 180 | |||
| 181 | temp8 = *buffer; | ||
| 182 | |||
| 183 | if (temp8 & 0x80) { | ||
| 184 | /* Large Item, point to the length field */ | ||
| 185 | |||
| 186 | buffer += 1; | ||
| 187 | 83 | ||
| 188 | /* Dereference */ | 84 | ACPI_FUNCTION_TRACE("rs_get_resource"); |
| 189 | 85 | ||
| 190 | ACPI_MOVE_16_TO_16(&temp16, buffer); | 86 | if (((acpi_native_uint) resource) & 0x3) { |
| 87 | /* Each internal resource struct is expected to be 32-bit aligned */ | ||
| 191 | 88 | ||
| 192 | /* Calculate bytes consumed */ | 89 | ACPI_WARNING((AE_INFO, |
| 193 | 90 | "Misaligned resource pointer (get): %p Type %2.2X Len %X", | |
| 194 | *bytes_consumed = (acpi_size) temp16 + 3; | 91 | resource, resource->type, resource->length)); |
| 195 | |||
| 196 | /* Point to the first vendor byte */ | ||
| 197 | |||
| 198 | buffer += 2; | ||
| 199 | } else { | ||
| 200 | /* Small Item, dereference the size */ | ||
| 201 | |||
| 202 | temp16 = (u8) (*buffer & 0x07); | ||
| 203 | |||
| 204 | /* Calculate bytes consumed */ | ||
| 205 | |||
| 206 | *bytes_consumed = (acpi_size) temp16 + 1; | ||
| 207 | |||
| 208 | /* Point to the first vendor byte */ | ||
| 209 | |||
| 210 | buffer += 1; | ||
| 211 | } | 92 | } |
| 212 | 93 | ||
| 213 | output_struct->id = ACPI_RSTYPE_VENDOR; | 94 | /* Extract the resource Length field (does not include header length) */ |
| 214 | output_struct->data.vendor_specific.length = temp16; | ||
| 215 | 95 | ||
| 216 | for (index = 0; index < temp16; index++) { | 96 | aml_resource_length = acpi_ut_get_resource_length(aml); |
| 217 | output_struct->data.vendor_specific.reserved[index] = *buffer; | ||
| 218 | buffer += 1; | ||
| 219 | } | ||
| 220 | 97 | ||
| 221 | /* | 98 | /* |
| 222 | * In order for the struct_size to fall on a 32-bit boundary, | 99 | * First table entry must be ACPI_RSC_INITxxx and must contain the |
| 223 | * calculate the length of the vendor string and expand the | 100 | * table length (# of table entries) |
| 224 | * struct_size to the next 32-bit boundary. | ||
| 225 | */ | 101 | */ |
| 226 | struct_size += ACPI_ROUND_UP_to_32_bITS(temp16); | 102 | count = INIT_TABLE_LENGTH(info); |
| 227 | 103 | ||
| 228 | /* Set the Length parameter */ | 104 | while (count) { |
| 229 | 105 | /* | |
| 230 | output_struct->length = (u32) struct_size; | 106 | * Source is the external AML byte stream buffer, |
| 231 | 107 | * destination is the internal resource descriptor | |
| 232 | /* Return the final size of the structure */ | 108 | */ |
| 233 | 109 | source = ACPI_ADD_PTR(void, aml, info->aml_offset); | |
| 234 | *structure_size = struct_size; | 110 | destination = |
| 235 | return_ACPI_STATUS(AE_OK); | 111 | ACPI_ADD_PTR(void, resource, info->resource_offset); |
| 236 | } | 112 | |
| 237 | 113 | switch (info->opcode) { | |
| 238 | /******************************************************************************* | 114 | case ACPI_RSC_INITGET: |
| 239 | * | 115 | /* |
| 240 | * FUNCTION: acpi_rs_vendor_stream | 116 | * Get the resource type and the initial (minimum) length |
| 241 | * | 117 | */ |
| 242 | * PARAMETERS: linked_list - Pointer to the resource linked list | 118 | ACPI_MEMSET(resource, 0, INIT_RESOURCE_LENGTH(info)); |
| 243 | * output_buffer - Pointer to the user's return buffer | 119 | resource->type = INIT_RESOURCE_TYPE(info); |
| 244 | * bytes_consumed - Pointer to where the number of bytes | 120 | resource->length = INIT_RESOURCE_LENGTH(info); |
| 245 | * used in the output_buffer is returned | 121 | break; |
| 246 | * | 122 | |
| 247 | * RETURN: Status | 123 | case ACPI_RSC_INITSET: |
| 248 | * | 124 | break; |
| 249 | * DESCRIPTION: Take the linked list resource structure and fills in the | 125 | |
| 250 | * the appropriate bytes in a byte stream | 126 | case ACPI_RSC_FLAGINIT: |
| 251 | * | 127 | |
| 252 | ******************************************************************************/ | 128 | flags_mode = TRUE; |
| 253 | 129 | break; | |
| 254 | acpi_status | 130 | |
| 255 | acpi_rs_vendor_stream(struct acpi_resource *linked_list, | 131 | case ACPI_RSC_1BITFLAG: |
| 256 | u8 ** output_buffer, acpi_size * bytes_consumed) | 132 | /* |
| 257 | { | 133 | * Mask and shift the flag bit |
| 258 | u8 *buffer = *output_buffer; | 134 | */ |
| 259 | u16 temp16 = 0; | 135 | ACPI_SET8(destination) = (u8) |
| 260 | u8 temp8 = 0; | 136 | ((ACPI_GET8(source) >> info->value) & 0x01); |
| 261 | u8 index; | 137 | break; |
| 262 | 138 | ||
| 263 | ACPI_FUNCTION_TRACE("rs_vendor_stream"); | 139 | case ACPI_RSC_2BITFLAG: |
| 264 | 140 | /* | |
| 265 | /* Dereference the length to find if this is a large or small item. */ | 141 | * Mask and shift the flag bits |
| 266 | 142 | */ | |
| 267 | if (linked_list->data.vendor_specific.length > 7) { | 143 | ACPI_SET8(destination) = (u8) |
| 268 | /* Large Item, Set the descriptor field and length bytes */ | 144 | ((ACPI_GET8(source) >> info->value) & 0x03); |
| 269 | 145 | break; | |
| 270 | *buffer = 0x84; | 146 | |
| 271 | buffer += 1; | 147 | case ACPI_RSC_COUNT: |
| 272 | 148 | ||
| 273 | temp16 = (u16) linked_list->data.vendor_specific.length; | 149 | item_count = ACPI_GET8(source); |
| 274 | 150 | ACPI_SET8(destination) = (u8) item_count; | |
| 275 | ACPI_MOVE_16_TO_16(buffer, &temp16); | 151 | |
| 276 | buffer += 2; | 152 | resource->length = resource->length + |
| 277 | } else { | 153 | (info->value * (item_count - 1)); |
| 278 | /* Small Item, Set the descriptor field */ | 154 | break; |
| 279 | 155 | ||
| 280 | temp8 = 0x70; | 156 | case ACPI_RSC_COUNT16: |
| 281 | temp8 |= (u8) linked_list->data.vendor_specific.length; | 157 | |
| 158 | item_count = aml_resource_length; | ||
| 159 | ACPI_SET16(destination) = item_count; | ||
| 160 | |||
| 161 | resource->length = resource->length + | ||
| 162 | (info->value * (item_count - 1)); | ||
| 163 | break; | ||
| 164 | |||
| 165 | case ACPI_RSC_LENGTH: | ||
| 166 | |||
| 167 | resource->length = resource->length + info->value; | ||
| 168 | break; | ||
| 169 | |||
| 170 | case ACPI_RSC_MOVE8: | ||
| 171 | case ACPI_RSC_MOVE16: | ||
| 172 | case ACPI_RSC_MOVE32: | ||
| 173 | case ACPI_RSC_MOVE64: | ||
| 174 | /* | ||
| 175 | * Raw data move. Use the Info value field unless item_count has | ||
| 176 | * been previously initialized via a COUNT opcode | ||
| 177 | */ | ||
| 178 | if (info->value) { | ||
| 179 | item_count = info->value; | ||
| 180 | } | ||
| 181 | acpi_rs_move_data(destination, source, item_count, | ||
| 182 | info->opcode); | ||
| 183 | break; | ||
| 184 | |||
| 185 | case ACPI_RSC_SET8: | ||
| 186 | |||
| 187 | ACPI_MEMSET(destination, info->aml_offset, info->value); | ||
| 188 | break; | ||
| 189 | |||
| 190 | case ACPI_RSC_DATA8: | ||
| 191 | |||
| 192 | target = ACPI_ADD_PTR(char, resource, info->value); | ||
| 193 | ACPI_MEMCPY(destination, source, ACPI_GET16(target)); | ||
| 194 | break; | ||
| 195 | |||
| 196 | case ACPI_RSC_ADDRESS: | ||
| 197 | /* | ||
| 198 | * Common handler for address descriptor flags | ||
| 199 | */ | ||
| 200 | if (!acpi_rs_get_address_common(resource, aml)) { | ||
| 201 | return_ACPI_STATUS | ||
| 202 | (AE_AML_INVALID_RESOURCE_TYPE); | ||
| 203 | } | ||
| 204 | break; | ||
| 205 | |||
| 206 | case ACPI_RSC_SOURCE: | ||
| 207 | /* | ||
| 208 | * Optional resource_source (Index and String) | ||
| 209 | */ | ||
| 210 | resource->length += | ||
| 211 | acpi_rs_get_resource_source(aml_resource_length, | ||
| 212 | info->value, | ||
| 213 | destination, aml, NULL); | ||
| 214 | break; | ||
| 215 | |||
| 216 | case ACPI_RSC_SOURCEX: | ||
| 217 | /* | ||
| 218 | * Optional resource_source (Index and String). This is the more | ||
| 219 | * complicated case used by the Interrupt() macro | ||
| 220 | */ | ||
| 221 | target = | ||
| 222 | ACPI_ADD_PTR(char, resource, | ||
| 223 | info->aml_offset + (item_count * 4)); | ||
| 224 | |||
| 225 | resource->length += | ||
| 226 | acpi_rs_get_resource_source(aml_resource_length, | ||
| 227 | (acpi_rs_length) (((item_count - 1) * sizeof(u32)) + info->value), destination, aml, target); | ||
| 228 | break; | ||
| 229 | |||
| 230 | case ACPI_RSC_BITMASK: | ||
| 231 | /* | ||
| 232 | * 8-bit encoded bitmask (DMA macro) | ||
| 233 | */ | ||
| 234 | item_count = | ||
| 235 | acpi_rs_decode_bitmask(ACPI_GET8(source), | ||
| 236 | destination); | ||
| 237 | if (item_count) { | ||
| 238 | resource->length += (item_count - 1); | ||
| 239 | } | ||
| 240 | |||
| 241 | target = ACPI_ADD_PTR(char, resource, info->value); | ||
| 242 | ACPI_SET8(target) = (u8) item_count; | ||
| 243 | break; | ||
| 244 | |||
| 245 | case ACPI_RSC_BITMASK16: | ||
| 246 | /* | ||
| 247 | * 16-bit encoded bitmask (IRQ macro) | ||
| 248 | */ | ||
| 249 | ACPI_MOVE_16_TO_16(&temp16, source); | ||
| 250 | |||
| 251 | item_count = | ||
| 252 | acpi_rs_decode_bitmask(temp16, destination); | ||
| 253 | if (item_count) { | ||
| 254 | resource->length += (item_count - 1); | ||
| 255 | } | ||
| 256 | |||
| 257 | target = ACPI_ADD_PTR(char, resource, info->value); | ||
| 258 | ACPI_SET8(target) = (u8) item_count; | ||
| 259 | break; | ||
| 260 | |||
| 261 | case ACPI_RSC_EXIT_NE: | ||
| 262 | /* | ||
| 263 | * Control - Exit conversion if not equal | ||
| 264 | */ | ||
| 265 | switch (info->resource_offset) { | ||
| 266 | case ACPI_RSC_COMPARE_AML_LENGTH: | ||
| 267 | if (aml_resource_length != info->value) { | ||
| 268 | goto exit; | ||
| 269 | } | ||
| 270 | break; | ||
| 271 | |||
| 272 | case ACPI_RSC_COMPARE_VALUE: | ||
| 273 | if (ACPI_GET8(source) != info->value) { | ||
| 274 | goto exit; | ||
| 275 | } | ||
| 276 | break; | ||
| 277 | |||
| 278 | default: | ||
| 279 | |||
| 280 | ACPI_ERROR((AE_INFO, | ||
| 281 | "Invalid conversion sub-opcode")); | ||
| 282 | return_ACPI_STATUS(AE_BAD_PARAMETER); | ||
| 283 | } | ||
| 284 | break; | ||
| 285 | |||
| 286 | default: | ||
| 287 | |||
| 288 | ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); | ||
| 289 | return_ACPI_STATUS(AE_BAD_PARAMETER); | ||
| 290 | } | ||
| 282 | 291 | ||
| 283 | *buffer = temp8; | 292 | count--; |
| 284 | buffer += 1; | 293 | info++; |
| 285 | } | 294 | } |
| 286 | 295 | ||
| 287 | /* Loop through all of the Vendor Specific fields */ | 296 | exit: |
| 297 | if (!flags_mode) { | ||
| 298 | /* Round the resource struct length up to the next 32-bit boundary */ | ||
| 288 | 299 | ||
| 289 | for (index = 0; index < linked_list->data.vendor_specific.length; | 300 | resource->length = ACPI_ROUND_UP_to_32_bITS(resource->length); |
| 290 | index++) { | ||
| 291 | temp8 = linked_list->data.vendor_specific.reserved[index]; | ||
| 292 | |||
| 293 | *buffer = temp8; | ||
| 294 | buffer += 1; | ||
| 295 | } | 301 | } |
| 296 | |||
| 297 | /* Return the number of bytes consumed in this operation */ | ||
| 298 | |||
| 299 | *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); | ||
| 300 | return_ACPI_STATUS(AE_OK); | 302 | return_ACPI_STATUS(AE_OK); |
| 301 | } | 303 | } |
| 302 | 304 | ||
| 303 | /******************************************************************************* | 305 | /******************************************************************************* |
| 304 | * | 306 | * |
| 305 | * FUNCTION: acpi_rs_start_depend_fns_resource | 307 | * FUNCTION: acpi_rs_convert_resource_to_aml |
| 306 | * | 308 | * |
| 307 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte | 309 | * PARAMETERS: Resource - Pointer to the resource descriptor |
| 308 | * stream | 310 | * Aml - Where the AML descriptor is returned |
| 309 | * bytes_consumed - Pointer to where the number of bytes | 311 | * Info - Pointer to appropriate conversion table |
| 310 | * consumed the byte_stream_buffer is | ||
| 311 | * returned | ||
| 312 | * output_buffer - Pointer to the return data buffer | ||
| 313 | * structure_size - Pointer to where the number of bytes | ||
| 314 | * in the return data struct is returned | ||
| 315 | * | 312 | * |
| 316 | * RETURN: Status | 313 | * RETURN: Status |
| 317 | * | 314 | * |
| 318 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate | 315 | * DESCRIPTION: Convert an internal resource descriptor to the corresponding |
| 319 | * structure pointed to by the output_buffer. Return the | 316 | * external AML resource descriptor. |
| 320 | * number of bytes consumed from the byte stream. | ||
| 321 | * | 317 | * |
| 322 | ******************************************************************************/ | 318 | ******************************************************************************/ |
| 323 | 319 | ||
| 324 | acpi_status | 320 | acpi_status |
| 325 | acpi_rs_start_depend_fns_resource(u8 * byte_stream_buffer, | 321 | acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, |
| 326 | acpi_size * bytes_consumed, | 322 | union aml_resource *aml, |
| 327 | u8 ** output_buffer, | 323 | struct acpi_rsconvert_info *info) |
| 328 | acpi_size * structure_size) | ||
| 329 | { | 324 | { |
| 330 | u8 *buffer = byte_stream_buffer; | 325 | void *source = NULL; |
| 331 | struct acpi_resource *output_struct = (void *)*output_buffer; | 326 | void *destination; |
| 332 | u8 temp8 = 0; | 327 | acpi_rsdesc_size aml_length = 0; |
| 333 | acpi_size struct_size = | 328 | u8 count; |
| 334 | ACPI_SIZEOF_RESOURCE(struct acpi_resource_start_dpf); | 329 | u16 temp16 = 0; |
| 335 | 330 | u16 item_count = 0; | |
| 336 | ACPI_FUNCTION_TRACE("rs_start_depend_fns_resource"); | ||
| 337 | |||
| 338 | /* The number of bytes consumed are found in the descriptor (Bits:0-1) */ | ||
| 339 | |||
| 340 | temp8 = *buffer; | ||
| 341 | |||
| 342 | *bytes_consumed = (temp8 & 0x01) + 1; | ||
| 343 | |||
| 344 | output_struct->id = ACPI_RSTYPE_START_DPF; | ||
| 345 | |||
| 346 | /* Point to Byte 1 if it is used */ | ||
| 347 | |||
| 348 | if (2 == *bytes_consumed) { | ||
| 349 | buffer += 1; | ||
| 350 | temp8 = *buffer; | ||
| 351 | |||
| 352 | /* Check Compatibility priority */ | ||
| 353 | |||
| 354 | output_struct->data.start_dpf.compatibility_priority = | ||
| 355 | temp8 & 0x03; | ||
| 356 | |||
| 357 | if (3 == output_struct->data.start_dpf.compatibility_priority) { | ||
| 358 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); | ||
| 359 | } | ||
| 360 | |||
| 361 | /* Check Performance/Robustness preference */ | ||
| 362 | 331 | ||
| 363 | output_struct->data.start_dpf.performance_robustness = | 332 | ACPI_FUNCTION_TRACE("rs_convert_resource_to_aml"); |
| 364 | (temp8 >> 2) & 0x03; | ||
| 365 | 333 | ||
| 366 | if (3 == output_struct->data.start_dpf.performance_robustness) { | 334 | /* |
| 367 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); | 335 | * First table entry must be ACPI_RSC_INITxxx and must contain the |
| 336 | * table length (# of table entries) | ||
| 337 | */ | ||
| 338 | count = INIT_TABLE_LENGTH(info); | ||
| 339 | |||
| 340 | while (count) { | ||
| 341 | /* | ||
| 342 | * Source is the internal resource descriptor, | ||
| 343 | * destination is the external AML byte stream buffer | ||
| 344 | */ | ||
| 345 | source = ACPI_ADD_PTR(void, resource, info->resource_offset); | ||
| 346 | destination = ACPI_ADD_PTR(void, aml, info->aml_offset); | ||
| 347 | |||
| 348 | switch (info->opcode) { | ||
| 349 | case ACPI_RSC_INITSET: | ||
| 350 | |||
| 351 | ACPI_MEMSET(aml, 0, INIT_RESOURCE_LENGTH(info)); | ||
| 352 | aml_length = INIT_RESOURCE_LENGTH(info); | ||
| 353 | acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info), | ||
| 354 | aml_length, aml); | ||
| 355 | break; | ||
| 356 | |||
| 357 | case ACPI_RSC_INITGET: | ||
| 358 | break; | ||
| 359 | |||
| 360 | case ACPI_RSC_FLAGINIT: | ||
| 361 | /* | ||
| 362 | * Clear the flag byte | ||
| 363 | */ | ||
| 364 | ACPI_SET8(destination) = 0; | ||
| 365 | break; | ||
| 366 | |||
| 367 | case ACPI_RSC_1BITFLAG: | ||
| 368 | /* | ||
| 369 | * Mask and shift the flag bit | ||
| 370 | */ | ||
| 371 | ACPI_SET8(destination) |= (u8) | ||
| 372 | ((ACPI_GET8(source) & 0x01) << info->value); | ||
| 373 | break; | ||
| 374 | |||
| 375 | case ACPI_RSC_2BITFLAG: | ||
| 376 | /* | ||
| 377 | * Mask and shift the flag bits | ||
| 378 | */ | ||
| 379 | ACPI_SET8(destination) |= (u8) | ||
| 380 | ((ACPI_GET8(source) & 0x03) << info->value); | ||
| 381 | break; | ||
| 382 | |||
| 383 | case ACPI_RSC_COUNT: | ||
| 384 | |||
| 385 | item_count = ACPI_GET8(source); | ||
| 386 | ACPI_SET8(destination) = (u8) item_count; | ||
| 387 | |||
| 388 | aml_length = | ||
| 389 | (u16) (aml_length + | ||
| 390 | (info->value * (item_count - 1))); | ||
| 391 | break; | ||
| 392 | |||
| 393 | case ACPI_RSC_COUNT16: | ||
| 394 | |||
| 395 | item_count = ACPI_GET16(source); | ||
| 396 | aml_length = (u16) (aml_length + item_count); | ||
| 397 | acpi_rs_set_resource_length(aml_length, aml); | ||
| 398 | break; | ||
| 399 | |||
| 400 | case ACPI_RSC_LENGTH: | ||
| 401 | |||
| 402 | acpi_rs_set_resource_length(info->value, aml); | ||
| 403 | break; | ||
| 404 | |||
| 405 | case ACPI_RSC_MOVE8: | ||
| 406 | case ACPI_RSC_MOVE16: | ||
| 407 | case ACPI_RSC_MOVE32: | ||
| 408 | case ACPI_RSC_MOVE64: | ||
| 409 | |||
| 410 | if (info->value) { | ||
| 411 | item_count = info->value; | ||
| 412 | } | ||
| 413 | acpi_rs_move_data(destination, source, item_count, | ||
| 414 | info->opcode); | ||
| 415 | break; | ||
| 416 | |||
| 417 | case ACPI_RSC_ADDRESS: | ||
| 418 | |||
| 419 | /* Set the Resource Type, General Flags, and Type-Specific Flags */ | ||
| 420 | |||
| 421 | acpi_rs_set_address_common(aml, resource); | ||
| 422 | break; | ||
| 423 | |||
| 424 | case ACPI_RSC_SOURCEX: | ||
| 425 | /* | ||
| 426 | * Optional resource_source (Index and String) | ||
| 427 | */ | ||
| 428 | aml_length = | ||
| 429 | acpi_rs_set_resource_source(aml, | ||
| 430 | (acpi_rs_length) | ||
| 431 | aml_length, source); | ||
| 432 | acpi_rs_set_resource_length(aml_length, aml); | ||
| 433 | break; | ||
| 434 | |||
| 435 | case ACPI_RSC_SOURCE: | ||
| 436 | /* | ||
| 437 | * Optional resource_source (Index and String). This is the more | ||
| 438 | * complicated case used by the Interrupt() macro | ||
| 439 | */ | ||
| 440 | aml_length = | ||
| 441 | acpi_rs_set_resource_source(aml, info->value, | ||
| 442 | source); | ||
| 443 | acpi_rs_set_resource_length(aml_length, aml); | ||
| 444 | break; | ||
| 445 | |||
| 446 | case ACPI_RSC_BITMASK: | ||
| 447 | /* | ||
| 448 | * 8-bit encoded bitmask (DMA macro) | ||
| 449 | */ | ||
| 450 | ACPI_SET8(destination) = (u8) | ||
| 451 | acpi_rs_encode_bitmask(source, | ||
| 452 | *ACPI_ADD_PTR(u8, resource, | ||
| 453 | info->value)); | ||
| 454 | break; | ||
| 455 | |||
| 456 | case ACPI_RSC_BITMASK16: | ||
| 457 | /* | ||
| 458 | * 16-bit encoded bitmask (IRQ macro) | ||
| 459 | */ | ||
| 460 | temp16 = acpi_rs_encode_bitmask(source, | ||
| 461 | *ACPI_ADD_PTR(u8, | ||
| 462 | resource, | ||
| 463 | info-> | ||
| 464 | value)); | ||
| 465 | ACPI_MOVE_16_TO_16(destination, &temp16); | ||
| 466 | break; | ||
| 467 | |||
| 468 | case ACPI_RSC_EXIT_LE: | ||
| 469 | /* | ||
| 470 | * Control - Exit conversion if less than or equal | ||
| 471 | */ | ||
| 472 | if (item_count <= info->value) { | ||
| 473 | goto exit; | ||
| 474 | } | ||
| 475 | break; | ||
| 476 | |||
| 477 | case ACPI_RSC_EXIT_NE: | ||
| 478 | /* | ||
| 479 | * Control - Exit conversion if not equal | ||
| 480 | */ | ||
| 481 | switch (COMPARE_OPCODE(info)) { | ||
| 482 | case ACPI_RSC_COMPARE_VALUE: | ||
| 483 | |||
| 484 | if (*ACPI_ADD_PTR(u8, resource, | ||
| 485 | COMPARE_TARGET(info)) != | ||
| 486 | COMPARE_VALUE(info)) { | ||
| 487 | goto exit; | ||
| 488 | } | ||
| 489 | break; | ||
| 490 | |||
| 491 | default: | ||
| 492 | |||
| 493 | ACPI_ERROR((AE_INFO, | ||
| 494 | "Invalid conversion sub-opcode")); | ||
| 495 | return_ACPI_STATUS(AE_BAD_PARAMETER); | ||
| 496 | } | ||
| 497 | break; | ||
| 498 | |||
| 499 | default: | ||
| 500 | |||
| 501 | ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); | ||
| 502 | return_ACPI_STATUS(AE_BAD_PARAMETER); | ||
| 368 | } | 503 | } |
| 369 | } else { | ||
| 370 | output_struct->data.start_dpf.compatibility_priority = | ||
| 371 | ACPI_ACCEPTABLE_CONFIGURATION; | ||
| 372 | 504 | ||
| 373 | output_struct->data.start_dpf.performance_robustness = | 505 | count--; |
| 374 | ACPI_ACCEPTABLE_CONFIGURATION; | 506 | info++; |
| 375 | } | 507 | } |
| 376 | 508 | ||
| 377 | /* Set the Length parameter */ | 509 | exit: |
| 378 | |||
| 379 | output_struct->length = (u32) struct_size; | ||
| 380 | |||
| 381 | /* Return the final size of the structure */ | ||
| 382 | |||
| 383 | *structure_size = struct_size; | ||
| 384 | return_ACPI_STATUS(AE_OK); | 510 | return_ACPI_STATUS(AE_OK); |
| 385 | } | 511 | } |
| 386 | 512 | ||
| 387 | /******************************************************************************* | 513 | #if 0 |
| 388 | * | 514 | /* Previous resource validations */ |
| 389 | * FUNCTION: acpi_rs_end_depend_fns_resource | ||
| 390 | * | ||
| 391 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte | ||
| 392 | * stream | ||
| 393 | * bytes_consumed - Pointer to where the number of bytes | ||
| 394 | * consumed the byte_stream_buffer is | ||
| 395 | * returned | ||
| 396 | * output_buffer - Pointer to the return data buffer | ||
| 397 | * structure_size - Pointer to where the number of bytes | ||
| 398 | * in the return data struct is returned | ||
| 399 | * | ||
| 400 | * RETURN: Status | ||
| 401 | * | ||
| 402 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate | ||
| 403 | * structure pointed to by the output_buffer. Return the | ||
| 404 | * number of bytes consumed from the byte stream. | ||
| 405 | * | ||
| 406 | ******************************************************************************/ | ||
| 407 | |||
| 408 | acpi_status | ||
| 409 | acpi_rs_end_depend_fns_resource(u8 * byte_stream_buffer, | ||
| 410 | acpi_size * bytes_consumed, | ||
| 411 | u8 ** output_buffer, acpi_size * structure_size) | ||
| 412 | { | ||
| 413 | struct acpi_resource *output_struct = (void *)*output_buffer; | ||
| 414 | acpi_size struct_size = ACPI_RESOURCE_LENGTH; | ||
| 415 | |||
| 416 | ACPI_FUNCTION_TRACE("rs_end_depend_fns_resource"); | ||
| 417 | |||
| 418 | /* The number of bytes consumed is static */ | ||
| 419 | |||
| 420 | *bytes_consumed = 1; | ||
| 421 | 515 | ||
| 422 | /* Fill out the structure */ | 516 | if (aml->ext_address64.revision_iD != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { |
| 423 | 517 | return_ACPI_STATUS(AE_SUPPORT); | |
| 424 | output_struct->id = ACPI_RSTYPE_END_DPF; | ||
| 425 | |||
| 426 | /* Set the Length parameter */ | ||
| 427 | |||
| 428 | output_struct->length = (u32) struct_size; | ||
| 429 | |||
| 430 | /* Return the final size of the structure */ | ||
| 431 | |||
| 432 | *structure_size = struct_size; | ||
| 433 | return_ACPI_STATUS(AE_OK); | ||
| 434 | } | 518 | } |
| 435 | 519 | ||
| 436 | /******************************************************************************* | 520 | if (resource->data.start_dpf.performance_robustness >= 3) { |
| 437 | * | 521 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); |
| 438 | * FUNCTION: acpi_rs_start_depend_fns_stream | 522 | } |
| 439 | * | ||
| 440 | * PARAMETERS: linked_list - Pointer to the resource linked list | ||
| 441 | * output_buffer - Pointer to the user's return buffer | ||
| 442 | * bytes_consumed - u32 pointer that is filled with | ||
| 443 | * the number of bytes of the | ||
| 444 | * output_buffer used | ||
| 445 | * | ||
| 446 | * RETURN: Status | ||
| 447 | * | ||
| 448 | * DESCRIPTION: Take the linked list resource structure and fills in the | ||
| 449 | * the appropriate bytes in a byte stream | ||
| 450 | * | ||
| 451 | ******************************************************************************/ | ||
| 452 | |||
| 453 | acpi_status | ||
| 454 | acpi_rs_start_depend_fns_stream(struct acpi_resource *linked_list, | ||
| 455 | u8 ** output_buffer, acpi_size * bytes_consumed) | ||
| 456 | { | ||
| 457 | u8 *buffer = *output_buffer; | ||
| 458 | u8 temp8 = 0; | ||
| 459 | |||
| 460 | ACPI_FUNCTION_TRACE("rs_start_depend_fns_stream"); | ||
| 461 | 523 | ||
| 524 | if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) { | ||
| 462 | /* | 525 | /* |
| 463 | * The descriptor field is set based upon whether a byte is needed | 526 | * Only [active_high, edge_sensitive] or [active_low, level_sensitive] |
| 464 | * to contain Priority data. | 527 | * polarity/trigger interrupts are allowed (ACPI spec, section |
| 528 | * "IRQ Format"), so 0x00 and 0x09 are illegal. | ||
| 465 | */ | 529 | */ |
| 466 | if (ACPI_ACCEPTABLE_CONFIGURATION == | 530 | ACPI_ERROR((AE_INFO, |
| 467 | linked_list->data.start_dpf.compatibility_priority && | 531 | "Invalid interrupt polarity/trigger in resource list, %X", |
| 468 | ACPI_ACCEPTABLE_CONFIGURATION == | 532 | aml->irq.flags)); |
| 469 | linked_list->data.start_dpf.performance_robustness) { | 533 | return_ACPI_STATUS(AE_BAD_DATA); |
| 470 | *buffer = 0x30; | ||
| 471 | } else { | ||
| 472 | *buffer = 0x31; | ||
| 473 | buffer += 1; | ||
| 474 | |||
| 475 | /* Set the Priority Byte Definition */ | ||
| 476 | |||
| 477 | temp8 = 0; | ||
| 478 | temp8 = | ||
| 479 | (u8) ((linked_list->data.start_dpf. | ||
| 480 | performance_robustness & 0x03) << 2); | ||
| 481 | temp8 |= | ||
| 482 | (linked_list->data.start_dpf.compatibility_priority & 0x03); | ||
| 483 | *buffer = temp8; | ||
| 484 | } | ||
| 485 | |||
| 486 | buffer += 1; | ||
| 487 | |||
| 488 | /* Return the number of bytes consumed in this operation */ | ||
| 489 | |||
| 490 | *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); | ||
| 491 | return_ACPI_STATUS(AE_OK); | ||
| 492 | } | 534 | } |
| 493 | 535 | ||
| 494 | /******************************************************************************* | 536 | resource->data.extended_irq.interrupt_count = temp8; |
| 495 | * | 537 | if (temp8 < 1) { |
| 496 | * FUNCTION: acpi_rs_end_depend_fns_stream | 538 | /* Must have at least one IRQ */ |
| 497 | * | ||
| 498 | * PARAMETERS: linked_list - Pointer to the resource linked list | ||
| 499 | * output_buffer - Pointer to the user's return buffer | ||
| 500 | * bytes_consumed - Pointer to where the number of bytes | ||
| 501 | * used in the output_buffer is returned | ||
| 502 | * | ||
| 503 | * RETURN: Status | ||
| 504 | * | ||
| 505 | * DESCRIPTION: Take the linked list resource structure and fills in the | ||
| 506 | * the appropriate bytes in a byte stream | ||
| 507 | * | ||
| 508 | ******************************************************************************/ | ||
| 509 | |||
| 510 | acpi_status | ||
| 511 | acpi_rs_end_depend_fns_stream(struct acpi_resource *linked_list, | ||
| 512 | u8 ** output_buffer, acpi_size * bytes_consumed) | ||
| 513 | { | ||
| 514 | u8 *buffer = *output_buffer; | ||
| 515 | |||
| 516 | ACPI_FUNCTION_TRACE("rs_end_depend_fns_stream"); | ||
| 517 | |||
| 518 | /* The descriptor field is static */ | ||
| 519 | |||
| 520 | *buffer = 0x38; | ||
| 521 | buffer += 1; | ||
| 522 | 539 | ||
| 523 | /* Return the number of bytes consumed in this operation */ | 540 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); |
| 541 | } | ||
| 524 | 542 | ||
| 525 | *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); | 543 | if (resource->data.dma.transfer == 0x03) { |
| 526 | return_ACPI_STATUS(AE_OK); | 544 | ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)")); |
| 545 | return_ACPI_STATUS(AE_BAD_DATA); | ||
| 527 | } | 546 | } |
| 547 | #endif | ||
