diff options
Diffstat (limited to 'drivers/acpi/resources/rsxface.c')
| -rw-r--r-- | drivers/acpi/resources/rsxface.c | 570 |
1 files changed, 0 insertions, 570 deletions
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c deleted file mode 100644 index f59f4c4e034c..000000000000 --- a/drivers/acpi/resources/rsxface.c +++ /dev/null @@ -1,570 +0,0 @@ -/******************************************************************************* - * - * Module Name: rsxface - Public interfaces to the resource manager - * - ******************************************************************************/ - -/* - * 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> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_RESOURCES -ACPI_MODULE_NAME("rsxface") - -/* Local macros for 16,32-bit to 64-bit conversion */ -#define ACPI_COPY_FIELD(out, in, field) ((out)->field = (in)->field) -#define ACPI_COPY_ADDRESS(out, in) \ - ACPI_COPY_FIELD(out, in, resource_type); \ - ACPI_COPY_FIELD(out, in, producer_consumer); \ - ACPI_COPY_FIELD(out, in, decode); \ - ACPI_COPY_FIELD(out, in, min_address_fixed); \ - ACPI_COPY_FIELD(out, in, max_address_fixed); \ - ACPI_COPY_FIELD(out, in, info); \ - ACPI_COPY_FIELD(out, in, granularity); \ - ACPI_COPY_FIELD(out, in, minimum); \ - ACPI_COPY_FIELD(out, in, maximum); \ - ACPI_COPY_FIELD(out, in, translation_offset); \ - ACPI_COPY_FIELD(out, in, address_length); \ - ACPI_COPY_FIELD(out, in, resource_source); -/* Local prototypes */ -static acpi_status -acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context); - -static acpi_status -acpi_rs_validate_parameters(acpi_handle device_handle, - struct acpi_buffer *buffer, - struct acpi_namespace_node **return_node); - -/******************************************************************************* - * - * FUNCTION: acpi_rs_validate_parameters - * - * PARAMETERS: device_handle - Handle to a device - * Buffer - Pointer to a data buffer - * return_node - Pointer to where the device node is returned - * - * RETURN: Status - * - * DESCRIPTION: Common parameter validation for resource interfaces - * - ******************************************************************************/ - -static acpi_status -acpi_rs_validate_parameters(acpi_handle device_handle, - struct acpi_buffer *buffer, - struct acpi_namespace_node **return_node) -{ - acpi_status status; - struct acpi_namespace_node *node; - - ACPI_FUNCTION_TRACE(rs_validate_parameters); - - /* - * Must have a valid handle to an ACPI device - */ - if (!device_handle) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - node = acpi_ns_map_handle_to_node(device_handle); - if (!node) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - if (node->type != ACPI_TYPE_DEVICE) { - return_ACPI_STATUS(AE_TYPE); - } - - /* - * Validate the user buffer object - * - * if there is a non-zero buffer length we also need a valid pointer in - * the buffer. If it's a zero buffer length, we'll be returning the - * needed buffer size (later), so keep going. - */ - status = acpi_ut_validate_buffer(buffer); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - *return_node = node; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_get_irq_routing_table - * - * PARAMETERS: device_handle - Handle to the Bus device we are querying - * ret_buffer - Pointer to a buffer to receive the - * current resources for the device - * - * RETURN: Status - * - * DESCRIPTION: This function is called to get the IRQ routing table for a - * specific bus. The caller must first acquire a handle for the - * desired bus. The routine table is placed in the buffer pointed - * to by the ret_buffer variable parameter. - * - * If the function fails an appropriate status will be returned - * and the value of ret_buffer is undefined. - * - * This function attempts to execute the _PRT method contained in - * the object indicated by the passed device_handle. - * - ******************************************************************************/ - -acpi_status -acpi_get_irq_routing_table(acpi_handle device_handle, - struct acpi_buffer *ret_buffer) -{ - acpi_status status; - struct acpi_namespace_node *node; - - ACPI_FUNCTION_TRACE(acpi_get_irq_routing_table); - - /* Validate parameters then dispatch to internal routine */ - - status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - status = acpi_rs_get_prt_method_data(node, ret_buffer); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_get_irq_routing_table) - -/******************************************************************************* - * - * FUNCTION: acpi_get_current_resources - * - * PARAMETERS: device_handle - Handle to the device object for the - * device we are querying - * ret_buffer - Pointer to a buffer to receive the - * current resources for the device - * - * RETURN: Status - * - * DESCRIPTION: This function is called to get the current resources for a - * specific device. The caller must first acquire a handle for - * the desired device. The resource data is placed in the buffer - * pointed to by the ret_buffer variable parameter. - * - * If the function fails an appropriate status will be returned - * and the value of ret_buffer is undefined. - * - * This function attempts to execute the _CRS method contained in - * the object indicated by the passed device_handle. - * - ******************************************************************************/ -acpi_status -acpi_get_current_resources(acpi_handle device_handle, - struct acpi_buffer *ret_buffer) -{ - acpi_status status; - struct acpi_namespace_node *node; - - ACPI_FUNCTION_TRACE(acpi_get_current_resources); - - /* Validate parameters then dispatch to internal routine */ - - status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - status = acpi_rs_get_crs_method_data(node, ret_buffer); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_get_current_resources) -#ifdef ACPI_FUTURE_USAGE -/******************************************************************************* - * - * FUNCTION: acpi_get_possible_resources - * - * PARAMETERS: device_handle - Handle to the device object for the - * device we are querying - * ret_buffer - Pointer to a buffer to receive the - * resources for the device - * - * RETURN: Status - * - * DESCRIPTION: This function is called to get a list of the possible resources - * for a specific device. The caller must first acquire a handle - * for the desired device. The resource data is placed in the - * buffer pointed to by the ret_buffer variable. - * - * If the function fails an appropriate status will be returned - * and the value of ret_buffer is undefined. - * - ******************************************************************************/ -acpi_status -acpi_get_possible_resources(acpi_handle device_handle, - struct acpi_buffer *ret_buffer) -{ - acpi_status status; - struct acpi_namespace_node *node; - - ACPI_FUNCTION_TRACE(acpi_get_possible_resources); - - /* Validate parameters then dispatch to internal routine */ - - status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - status = acpi_rs_get_prs_method_data(node, ret_buffer); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_get_possible_resources) -#endif /* ACPI_FUTURE_USAGE */ -/******************************************************************************* - * - * FUNCTION: acpi_set_current_resources - * - * PARAMETERS: device_handle - Handle to the device object for the - * device we are setting resources - * in_buffer - Pointer to a buffer containing the - * resources to be set for the device - * - * RETURN: Status - * - * DESCRIPTION: This function is called to set the current resources for a - * specific device. The caller must first acquire a handle for - * the desired device. The resource data is passed to the routine - * the buffer pointed to by the in_buffer variable. - * - ******************************************************************************/ -acpi_status -acpi_set_current_resources(acpi_handle device_handle, - struct acpi_buffer *in_buffer) -{ - acpi_status status; - struct acpi_namespace_node *node; - - ACPI_FUNCTION_TRACE(acpi_set_current_resources); - - /* Validate the buffer, don't allow zero length */ - - if ((!in_buffer) || (!in_buffer->pointer) || (!in_buffer->length)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Validate parameters then dispatch to internal routine */ - - status = acpi_rs_validate_parameters(device_handle, in_buffer, &node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - status = acpi_rs_set_srs_method_data(node, in_buffer); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_set_current_resources) - -/****************************************************************************** - * - * FUNCTION: acpi_resource_to_address64 - * - * PARAMETERS: Resource - Pointer to a resource - * Out - Pointer to the users's return buffer - * (a struct acpi_resource_address64) - * - * RETURN: Status - * - * DESCRIPTION: If the resource is an address16, address32, or address64, - * copy it to the address64 return buffer. This saves the - * caller from having to duplicate code for different-sized - * addresses. - * - ******************************************************************************/ -acpi_status -acpi_resource_to_address64(struct acpi_resource *resource, - struct acpi_resource_address64 *out) -{ - struct acpi_resource_address16 *address16; - struct acpi_resource_address32 *address32; - - if (!resource || !out) { - return (AE_BAD_PARAMETER); - } - - /* Convert 16 or 32 address descriptor to 64 */ - - switch (resource->type) { - case ACPI_RESOURCE_TYPE_ADDRESS16: - - address16 = (struct acpi_resource_address16 *)&resource->data; - ACPI_COPY_ADDRESS(out, address16); - break; - - case ACPI_RESOURCE_TYPE_ADDRESS32: - - address32 = (struct acpi_resource_address32 *)&resource->data; - ACPI_COPY_ADDRESS(out, address32); - break; - - case ACPI_RESOURCE_TYPE_ADDRESS64: - - /* Simple copy for 64 bit source */ - - ACPI_MEMCPY(out, &resource->data, - sizeof(struct acpi_resource_address64)); - break; - - default: - return (AE_BAD_PARAMETER); - } - - return (AE_OK); -} - -ACPI_EXPORT_SYMBOL(acpi_resource_to_address64) - -/******************************************************************************* - * - * FUNCTION: acpi_get_vendor_resource - * - * PARAMETERS: device_handle - Handle for the parent device object - * Name - Method name for the parent resource - * (METHOD_NAME__CRS or METHOD_NAME__PRS) - * Uuid - Pointer to the UUID to be matched. - * includes both subtype and 16-byte UUID - * ret_buffer - Where the vendor resource is returned - * - * RETURN: Status - * - * DESCRIPTION: Walk a resource template for the specified evice to find a - * vendor-defined resource that matches the supplied UUID and - * UUID subtype. Returns a struct acpi_resource of type Vendor. - * - ******************************************************************************/ -acpi_status -acpi_get_vendor_resource(acpi_handle device_handle, - char *name, - struct acpi_vendor_uuid * uuid, - struct acpi_buffer * ret_buffer) -{ - struct acpi_vendor_walk_info info; - acpi_status status; - - /* Other parameters are validated by acpi_walk_resources */ - - if (!uuid || !ret_buffer) { - return (AE_BAD_PARAMETER); - } - - info.uuid = uuid; - info.buffer = ret_buffer; - info.status = AE_NOT_EXIST; - - /* Walk the _CRS or _PRS resource list for this device */ - - status = - acpi_walk_resources(device_handle, name, - acpi_rs_match_vendor_resource, &info); - if (ACPI_FAILURE(status)) { - return (status); - } - - return (info.status); -} - -ACPI_EXPORT_SYMBOL(acpi_get_vendor_resource) - -/******************************************************************************* - * - * FUNCTION: acpi_rs_match_vendor_resource - * - * PARAMETERS: acpi_walk_resource_callback - * - * RETURN: Status - * - * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID - * - ******************************************************************************/ -static acpi_status -acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context) -{ - struct acpi_vendor_walk_info *info = context; - struct acpi_resource_vendor_typed *vendor; - struct acpi_buffer *buffer; - acpi_status status; - - /* Ignore all descriptors except Vendor */ - - if (resource->type != ACPI_RESOURCE_TYPE_VENDOR) { - return (AE_OK); - } - - vendor = &resource->data.vendor_typed; - - /* - * For a valid match, these conditions must hold: - * - * 1) Length of descriptor data must be at least as long as a UUID struct - * 2) The UUID subtypes must match - * 3) The UUID data must match - */ - if ((vendor->byte_length < (ACPI_UUID_LENGTH + 1)) || - (vendor->uuid_subtype != info->uuid->subtype) || - (ACPI_MEMCMP(vendor->uuid, info->uuid->data, ACPI_UUID_LENGTH))) { - return (AE_OK); - } - - /* Validate/Allocate/Clear caller buffer */ - - buffer = info->buffer; - status = acpi_ut_initialize_buffer(buffer, resource->length); - if (ACPI_FAILURE(status)) { - return (status); - } - - /* Found the correct resource, copy and return it */ - - ACPI_MEMCPY(buffer->pointer, resource, resource->length); - buffer->length = resource->length; - - /* Found the desired descriptor, terminate resource walk */ - - info->status = AE_OK; - return (AE_CTRL_TERMINATE); -} - -/******************************************************************************* - * - * FUNCTION: acpi_walk_resources - * - * PARAMETERS: device_handle - Handle to the device object for the - * device we are querying - * Name - Method name of the resources we want - * (METHOD_NAME__CRS or METHOD_NAME__PRS) - * user_function - Called for each resource - * Context - Passed to user_function - * - * RETURN: Status - * - * DESCRIPTION: Retrieves the current or possible resource list for the - * specified device. The user_function is called once for - * each resource in the list. - * - ******************************************************************************/ -acpi_status -acpi_walk_resources(acpi_handle device_handle, - char *name, - acpi_walk_resource_callback user_function, void *context) -{ - acpi_status status; - struct acpi_buffer buffer; - struct acpi_resource *resource; - struct acpi_resource *resource_end; - - ACPI_FUNCTION_TRACE(acpi_walk_resources); - - /* Parameter validation */ - - if (!device_handle || !user_function || !name || - (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) && - !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS))) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Get the _CRS or _PRS resource list */ - - buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; - status = acpi_rs_get_method_data(device_handle, name, &buffer); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Buffer now contains the resource list */ - - resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer); - resource_end = - ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length); - - /* Walk the resource list until the end_tag is found (or buffer end) */ - - while (resource < resource_end) { - - /* Sanity check the resource */ - - if (resource->type > ACPI_RESOURCE_TYPE_MAX) { - status = AE_AML_INVALID_RESOURCE_TYPE; - break; - } - - /* Invoke the user function, abort on any error returned */ - - status = user_function(resource, context); - if (ACPI_FAILURE(status)) { - if (status == AE_CTRL_TERMINATE) { - - /* This is an OK termination by the user function */ - - status = AE_OK; - } - break; - } - - /* end_tag indicates end-of-list */ - - if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) { - break; - } - - /* Get the next resource descriptor */ - - resource = - ACPI_ADD_PTR(struct acpi_resource, resource, - resource->length); - } - - ACPI_FREE(buffer.pointer); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_walk_resources) |