/******************************************************************************* * * Module Name: rsmem24 - Memory resource descriptors * ******************************************************************************/ /* * Copyright (C) 2000 - 2005, R. Byron Moore * 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 #include #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME("rsmemory") /******************************************************************************* * * FUNCTION: acpi_rs_get_memory24 * * PARAMETERS: Aml - Pointer to the AML resource descriptor * aml_resource_length - Length of the resource from the AML header * Resource - Where the internal resource is returned * * RETURN: Status * * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding * internal resource descriptor, simplifying bitflags and handling * alignment and endian issues if necessary. * ******************************************************************************/ acpi_status acpi_rs_get_memory24(union aml_resource * aml, u16 aml_resource_length, struct acpi_resource * resource) { ACPI_FUNCTION_TRACE("rs_get_memory24"); /* Get the Read/Write bit */ resource->data.memory24.read_write_attribute = (aml->memory24.information & 0x01); /* * Get the following contiguous fields from the AML descriptor: * Minimum Base Address * Maximum Base Address * Address Base Alignment * Range Length */ acpi_rs_move_data(&resource->data.memory24.minimum, &aml->memory24.minimum, 4, ACPI_MOVE_TYPE_16_TO_32); /* Complete the resource header */ resource->type = ACPI_RESOURCE_TYPE_MEMORY24; resource->length = ACPI_SIZEOF_RESOURCE(struct acpi_resource_memory24); return_ACPI_STATUS(AE_OK); } /******************************************************************************* * * FUNCTION: acpi_rs_set_memory24 * * PARAMETERS: Resource - Pointer to the resource descriptor * Aml - Where the AML descriptor is returned * * RETURN: Status * * DESCRIPTION: Convert an internal resource descriptor to the corresponding * external AML resource descriptor. * ******************************************************************************/ acpi_status acpi_rs_set_memory24(struct acpi_resource *resource, union aml_resource *aml) { ACPI_FUNCTION_TRACE("rs_set_memory24"); /* Set the Information Byte */ aml->memory24.information = (u8) (resource->data.memory24.read_write_attribute & 0x01); /* * Set the following contiguous fields in the AML descriptor: * Minimum Base Address * Maximum Base Address * Address Base Alignment * Range Length */ acpi_rs_move_data(&aml->memory24.minimum, &resource->data.memory24.minimum, 4, ACPI_MOVE_TYPE_32_TO_16); /* Complete the AML descriptor header */ acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_MEMORY24, sizeof(struct aml_resource_memory24), aml); return_ACPI_STATUS(AE_OK); } /******************************************************************************* * * FUNCTION: acpi_rs_get_memory32 * * PARAMETERS: Aml - Pointer to the AML resource descriptor * aml_resource_length - Length of the resource from the AML header * Resource - Where the internal resource is returned * * RETURN: Status * * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding * internal resource descriptor, simplifying bitflags and handling * alignment and endian issues if necessary. * ******************************************************************************/ acpi_status acpi_rs_get_memory32(union aml_resource *aml, u16 aml_resource_length, struct acpi_resource *resource) { ACPI_FUNCTION_TRACE("rs_get_memory32"); /* Get the Read/Write bit */ resource->data.memory32.read_write_attribute = (aml->memory32.information & 0x01); /* * Get the following contiguous fields from the AML descriptor: * Minimum Base Address * Maximum Base Address * Address Base Alignment * Range Length */ acpi_rs_move_data(&resource->data.memory32.minimum, &aml->memory32.minimum, 4, ACPI_MOVE_TYPE_32_TO_32); /* Complete the resource header */ resource->type = ACPI_RESOURCE_TYPE_MEMORY32; resource->length = ACPI_SIZEOF_RESOURCE(struct acpi_resource_memory32); return_ACPI_STATUS(AE_OK); } /******************************************************************************* * * FUNCTION: acpi_rs_set_memory32 * * PARAMETERS: Resource - Pointer to the resource descriptor * Aml - Where the AML descriptor is returned * * RETURN: Status * * DESCRIPTION: Convert an internal resource descriptor to the corresponding * external AML resource descriptor. * ******************************************************************************/ acpi_status acpi_rs_set_memory32(struct acpi_resource *resource, union aml_resource *aml) { ACPI_FUNCTION_TRACE("rs_set_memory32"); /* Set the Information Byte */ aml->memory32.information = (u8) (resource->data.memory32.read_write_attribute & 0x01); /* * Set the following contiguous fields in the AML descriptor: * Minimum Base Address * Maximum Base Address * Address Base Alignment * Range Length */ acpi_rs_move_data(&aml->memory32.minimum, &resource->data.memory32.minimum, 4, ACPI_MOVE_TYPE_32_TO_32); /* Complete the AML descriptor header */ acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_MEMORY32, sizeof(struct aml_resource_memory32), aml); return_ACPI_STATUS(AE_OK); } /******************************************************************************* * * FUNCTION: acpi_rs_get_fixed_memory32 * * PARAMETERS: Aml - Pointer to the AML resource descriptor * aml_resource_length - Length of the resource from the AML header * Resource - Where the internal resource is returned * * RETURN: Status * * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding * internal resource descriptor, simplifying bitflags and handling * alignment and endian issues if necessary. * ******************************************************************************/ acpi_status acpi_rs_get_fixed_memory32(union aml_resource *aml, u16 aml_resource_length, struct acpi_resource *resource) { ACPI_FUNCTION_TRACE("rs_get_fixed_memory32"); /* Get the Read/Write bit */ resource->data.fixed_memory32.read_write_attribute = (aml->fixed_memory32.information & 0x01); /* * Get the following contiguous fields from the AML descriptor: * Base Address * Range Length */ ACPI_MOVE_32_TO_32(&resource->data.fixed_memory32.address, &aml->fixed_memory32.address); ACPI_MOVE_32_TO_32(&resource->data.fixed_memory32.address_length, &aml->fixed_memory32.address_length); /* Complete the resource header */ resource->type = ACPI_RESOURCE_TYPE_FIXED_MEMORY32; resource->length = ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_memory32); return_ACPI_STATUS(AE_OK); } /******************************************************************************* * * FUNCTION: acpi_rs_set_fixed_memory32 * * PARAMETERS: Resource - Pointer to the resource descriptor * Aml - Where the AML descriptor is returned * * RETURN: Status * * DESCRIPTION: Convert an internal resource descriptor to the corresponding * external AML resource descriptor. * ******************************************************************************/ acpi_status acpi_rs_set_fixed_memory32(struct acpi_resource *resource, union aml_resource *aml) { ACPI_FUNCTION_TRACE("rs_set_fixed_memory32"); /* Set the Information Byte */ aml->fixed_memory32.information = (u8) (resource->data.fixed_memory32.read_write_attribute & 0x01); /* * Set the following contiguous fields in the AML descriptor: * Base Address * Range Length */ ACPI_MOVE_32_TO_32(&aml->fixed_memory32.address, &resource->data.fixed_memory32.address); ACPI_MOVE_32_TO_32(&aml->fixed_memory32.address_length, &resource->data.fixed_memory32.address_length); /* Complete the AML descriptor header */ acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_FIXED_MEMORY32, sizeof(struct aml_resource_fixed_memory32), aml); return_ACPI_STATUS(AE_OK); }