diff options
Diffstat (limited to 'drivers/acpi/resources/rsmisc.c')
| -rw-r--r-- | drivers/acpi/resources/rsmisc.c | 560 |
1 files changed, 0 insertions, 560 deletions
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c deleted file mode 100644 index 96a6c0353255..000000000000 --- a/drivers/acpi/resources/rsmisc.c +++ /dev/null @@ -1,560 +0,0 @@ -/******************************************************************************* - * - * Module Name: rsmisc - Miscellaneous resource descriptors - * - ******************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/acresrc.h> - -#define _COMPONENT ACPI_RESOURCES -ACPI_MODULE_NAME("rsmisc") -#define INIT_RESOURCE_TYPE(i) i->resource_offset -#define INIT_RESOURCE_LENGTH(i) i->aml_offset -#define INIT_TABLE_LENGTH(i) i->value -#define COMPARE_OPCODE(i) i->resource_offset -#define COMPARE_TARGET(i) i->aml_offset -#define COMPARE_VALUE(i) i->value -/******************************************************************************* - * - * FUNCTION: acpi_rs_convert_aml_to_resource - * - * PARAMETERS: Resource - Pointer to the resource descriptor - * Aml - Where the AML descriptor is returned - * Info - Pointer to appropriate conversion table - * - * RETURN: Status - * - * DESCRIPTION: Convert an external AML resource descriptor to the corresponding - * internal resource descriptor - * - ******************************************************************************/ -acpi_status -acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, - union aml_resource *aml, - struct acpi_rsconvert_info *info) -{ - acpi_rs_length aml_resource_length; - void *source; - void *destination; - char *target; - u8 count; - u8 flags_mode = FALSE; - u16 item_count = 0; - u16 temp16 = 0; - - ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource); - - if (((acpi_size) resource) & 0x3) { - - /* Each internal resource struct is expected to be 32-bit aligned */ - - ACPI_WARNING((AE_INFO, - "Misaligned resource pointer (get): %p Type %2.2X Len %X", - resource, resource->type, resource->length)); - } - - /* Extract the resource Length field (does not include header length) */ - - aml_resource_length = acpi_ut_get_resource_length(aml); - - /* - * First table entry must be ACPI_RSC_INITxxx and must contain the - * table length (# of table entries) - */ - count = INIT_TABLE_LENGTH(info); - - while (count) { - /* - * Source is the external AML byte stream buffer, - * destination is the internal resource descriptor - */ - source = ACPI_ADD_PTR(void, aml, info->aml_offset); - destination = - ACPI_ADD_PTR(void, resource, info->resource_offset); - - switch (info->opcode) { - case ACPI_RSC_INITGET: - /* - * Get the resource type and the initial (minimum) length - */ - ACPI_MEMSET(resource, 0, INIT_RESOURCE_LENGTH(info)); - resource->type = INIT_RESOURCE_TYPE(info); - resource->length = INIT_RESOURCE_LENGTH(info); - break; - - case ACPI_RSC_INITSET: - break; - - case ACPI_RSC_FLAGINIT: - - flags_mode = TRUE; - break; - - case ACPI_RSC_1BITFLAG: - /* - * Mask and shift the flag bit - */ - ACPI_SET8(destination) = (u8) - ((ACPI_GET8(source) >> info->value) & 0x01); - break; - - case ACPI_RSC_2BITFLAG: - /* - * Mask and shift the flag bits - */ - ACPI_SET8(destination) = (u8) - ((ACPI_GET8(source) >> info->value) & 0x03); - break; - - case ACPI_RSC_COUNT: - - item_count = ACPI_GET8(source); - ACPI_SET8(destination) = (u8) item_count; - - resource->length = resource->length + - (info->value * (item_count - 1)); - break; - - case ACPI_RSC_COUNT16: - - item_count = aml_resource_length; - ACPI_SET16(destination) = item_count; - - resource->length = resource->length + - (info->value * (item_count - 1)); - break; - - case ACPI_RSC_LENGTH: - - resource->length = resource->length + info->value; - break; - - case ACPI_RSC_MOVE8: - case ACPI_RSC_MOVE16: - case ACPI_RSC_MOVE32: - case ACPI_RSC_MOVE64: - /* - * Raw data move. Use the Info value field unless item_count has - * been previously initialized via a COUNT opcode - */ - if (info->value) { - item_count = info->value; - } - acpi_rs_move_data(destination, source, item_count, - info->opcode); - break; - - case ACPI_RSC_SET8: - - ACPI_MEMSET(destination, info->aml_offset, info->value); - break; - - case ACPI_RSC_DATA8: - - target = ACPI_ADD_PTR(char, resource, info->value); - ACPI_MEMCPY(destination, source, ACPI_GET16(target)); - break; - - case ACPI_RSC_ADDRESS: - /* - * Common handler for address descriptor flags - */ - if (!acpi_rs_get_address_common(resource, aml)) { - return_ACPI_STATUS - (AE_AML_INVALID_RESOURCE_TYPE); - } - break; - - case ACPI_RSC_SOURCE: - /* - * Optional resource_source (Index and String) - */ - resource->length += - acpi_rs_get_resource_source(aml_resource_length, - info->value, - destination, aml, NULL); - break; - - case ACPI_RSC_SOURCEX: - /* - * Optional resource_source (Index and String). This is the more - * complicated case used by the Interrupt() macro - */ - target = - ACPI_ADD_PTR(char, resource, - info->aml_offset + (item_count * 4)); - - resource->length += - acpi_rs_get_resource_source(aml_resource_length, - (acpi_rs_length) (((item_count - 1) * sizeof(u32)) + info->value), destination, aml, target); - break; - - case ACPI_RSC_BITMASK: - /* - * 8-bit encoded bitmask (DMA macro) - */ - item_count = - acpi_rs_decode_bitmask(ACPI_GET8(source), - destination); - if (item_count) { - resource->length += (item_count - 1); - } - - target = ACPI_ADD_PTR(char, resource, info->value); - ACPI_SET8(target) = (u8) item_count; - break; - - case ACPI_RSC_BITMASK16: - /* - * 16-bit encoded bitmask (IRQ macro) - */ - ACPI_MOVE_16_TO_16(&temp16, source); - - item_count = - acpi_rs_decode_bitmask(temp16, destination); - if (item_count) { - resource->length += (item_count - 1); - } - - target = ACPI_ADD_PTR(char, resource, info->value); - ACPI_SET8(target) = (u8) item_count; - break; - - case ACPI_RSC_EXIT_NE: - /* - * Control - Exit conversion if not equal - */ - switch (info->resource_offset) { - case ACPI_RSC_COMPARE_AML_LENGTH: - if (aml_resource_length != info->value) { - goto exit; - } - break; - - case ACPI_RSC_COMPARE_VALUE: - if (ACPI_GET8(source) != info->value) { - goto exit; - } - break; - - default: - - ACPI_ERROR((AE_INFO, - "Invalid conversion sub-opcode")); - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - break; - - default: - - ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - count--; - info++; - } - - exit: - if (!flags_mode) { - - /* Round the resource struct length up to the next boundary (32 or 64) */ - - resource->length = - (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length); - } - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_rs_convert_resource_to_aml - * - * PARAMETERS: Resource - Pointer to the resource descriptor - * Aml - Where the AML descriptor is returned - * Info - Pointer to appropriate conversion table - * - * RETURN: Status - * - * DESCRIPTION: Convert an internal resource descriptor to the corresponding - * external AML resource descriptor. - * - ******************************************************************************/ - -acpi_status -acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, - union aml_resource *aml, - struct acpi_rsconvert_info *info) -{ - void *source = NULL; - void *destination; - acpi_rsdesc_size aml_length = 0; - u8 count; - u16 temp16 = 0; - u16 item_count = 0; - - ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml); - - /* - * First table entry must be ACPI_RSC_INITxxx and must contain the - * table length (# of table entries) - */ - count = INIT_TABLE_LENGTH(info); - - while (count) { - /* - * Source is the internal resource descriptor, - * destination is the external AML byte stream buffer - */ - source = ACPI_ADD_PTR(void, resource, info->resource_offset); - destination = ACPI_ADD_PTR(void, aml, info->aml_offset); - - switch (info->opcode) { - case ACPI_RSC_INITSET: - - ACPI_MEMSET(aml, 0, INIT_RESOURCE_LENGTH(info)); - aml_length = INIT_RESOURCE_LENGTH(info); - acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info), - aml_length, aml); - break; - - case ACPI_RSC_INITGET: - break; - - case ACPI_RSC_FLAGINIT: - /* - * Clear the flag byte - */ - ACPI_SET8(destination) = 0; - break; - - case ACPI_RSC_1BITFLAG: - /* - * Mask and shift the flag bit - */ - ACPI_SET8(destination) |= (u8) - ((ACPI_GET8(source) & 0x01) << info->value); - break; - - case ACPI_RSC_2BITFLAG: - /* - * Mask and shift the flag bits - */ - ACPI_SET8(destination) |= (u8) - ((ACPI_GET8(source) & 0x03) << info->value); - break; - - case ACPI_RSC_COUNT: - - item_count = ACPI_GET8(source); - ACPI_SET8(destination) = (u8) item_count; - - aml_length = - (u16) (aml_length + - (info->value * (item_count - 1))); - break; - - case ACPI_RSC_COUNT16: - - item_count = ACPI_GET16(source); - aml_length = (u16) (aml_length + item_count); - acpi_rs_set_resource_length(aml_length, aml); - break; - - case ACPI_RSC_LENGTH: - - acpi_rs_set_resource_length(info->value, aml); - break; - - case ACPI_RSC_MOVE8: - case ACPI_RSC_MOVE16: - case ACPI_RSC_MOVE32: - case ACPI_RSC_MOVE64: - - if (info->value) { - item_count = info->value; - } - acpi_rs_move_data(destination, source, item_count, - info->opcode); - break; - - case ACPI_RSC_ADDRESS: - - /* Set the Resource Type, General Flags, and Type-Specific Flags */ - - acpi_rs_set_address_common(aml, resource); - break; - - case ACPI_RSC_SOURCEX: - /* - * Optional resource_source (Index and String) - */ - aml_length = - acpi_rs_set_resource_source(aml, (acpi_rs_length) - aml_length, source); - acpi_rs_set_resource_length(aml_length, aml); - break; - - case ACPI_RSC_SOURCE: - /* - * Optional resource_source (Index and String). This is the more - * complicated case used by the Interrupt() macro - */ - aml_length = - acpi_rs_set_resource_source(aml, info->value, - source); - acpi_rs_set_resource_length(aml_length, aml); - break; - - case ACPI_RSC_BITMASK: - /* - * 8-bit encoded bitmask (DMA macro) - */ - ACPI_SET8(destination) = (u8) - acpi_rs_encode_bitmask(source, - *ACPI_ADD_PTR(u8, resource, - info->value)); - break; - - case ACPI_RSC_BITMASK16: - /* - * 16-bit encoded bitmask (IRQ macro) - */ - temp16 = acpi_rs_encode_bitmask(source, - *ACPI_ADD_PTR(u8, - resource, - info-> - value)); - ACPI_MOVE_16_TO_16(destination, &temp16); - break; - - case ACPI_RSC_EXIT_LE: - /* - * Control - Exit conversion if less than or equal - */ - if (item_count <= info->value) { - goto exit; - } - break; - - case ACPI_RSC_EXIT_NE: - /* - * Control - Exit conversion if not equal - */ - switch (COMPARE_OPCODE(info)) { - case ACPI_RSC_COMPARE_VALUE: - - if (*ACPI_ADD_PTR(u8, resource, - COMPARE_TARGET(info)) != - COMPARE_VALUE(info)) { - goto exit; - } - break; - - default: - - ACPI_ERROR((AE_INFO, - "Invalid conversion sub-opcode")); - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - break; - - case ACPI_RSC_EXIT_EQ: - /* - * Control - Exit conversion if equal - */ - if (*ACPI_ADD_PTR(u8, resource, - COMPARE_TARGET(info)) == - COMPARE_VALUE(info)) { - goto exit; - } - break; - - default: - - ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - count--; - info++; - } - - exit: - return_ACPI_STATUS(AE_OK); -} - -#if 0 -/* Previous resource validations */ - -if (aml->ext_address64.revision_iD != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { - return_ACPI_STATUS(AE_SUPPORT); -} - -if (resource->data.start_dpf.performance_robustness >= 3) { - return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); -} - -if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) { - /* - * Only [active_high, edge_sensitive] or [active_low, level_sensitive] - * polarity/trigger interrupts are allowed (ACPI spec, section - * "IRQ Format"), so 0x00 and 0x09 are illegal. - */ - ACPI_ERROR((AE_INFO, - "Invalid interrupt polarity/trigger in resource list, %X", - aml->irq.flags)); - return_ACPI_STATUS(AE_BAD_DATA); -} - -resource->data.extended_irq.interrupt_count = temp8; -if (temp8 < 1) { - - /* Must have at least one IRQ */ - - return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); -} - -if (resource->data.dma.transfer == 0x03) { - ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)")); - return_ACPI_STATUS(AE_BAD_DATA); -} -#endif |