663 lines
17 KiB
C
663 lines
17 KiB
C
/* $NetBSD: acpi_resource.c,v 1.6 2003/03/05 23:00:56 christos Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2000 BSDi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* ACPI resource parsing.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: acpi_resource.c,v 1.6 2003/03/05 23:00:56 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/acpi/acpica.h>
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#include <dev/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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#define _COMPONENT ACPI_RESOURCE_COMPONENT
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ACPI_MODULE_NAME("RESOURCE")
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/*
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* acpi_resource_parse:
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*
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* Parse a device node's resources and fill them in for the
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* client.
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*
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* Note that it might be nice to also locate ACPI-specific resource
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* items, such as GPE bits.
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*/
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ACPI_STATUS
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acpi_resource_parse(struct device *dev, struct acpi_devnode *ad,
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void *arg, const struct acpi_resource_parse_ops *ops)
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{
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ACPI_BUFFER buf;
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ACPI_RESOURCE *res;
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char *cur, *last;
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ACPI_STATUS status;
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void *context;
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int i;
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ACPI_FUNCTION_TRACE(__FUNCTION__);
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/*
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* XXX Note, this means we only get devices that are currently
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* decoding their address space. This might not be what we
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* want, in the long term.
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*/
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status = acpi_get(ad->ad_handle, &buf, AcpiGetCurrentResources);
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if (status != AE_OK) {
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printf("%s: ACPI: unable to get Current Resources: %d\n",
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dev->dv_xname, status);
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return_ACPI_STATUS(status);
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}
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, "got %d bytes of _CRS\n",
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buf.Length));
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(*ops->init)(dev, arg, &context);
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cur = buf.Pointer;
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last = cur + buf.Length;
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while (cur < last) {
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res = (ACPI_RESOURCE *) cur;
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cur += res->Length;
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switch (res->Id) {
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case ACPI_RSTYPE_END_TAG:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, "EndTag\n"));
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cur = last;
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break;
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case ACPI_RSTYPE_FIXED_IO:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"FixedIo 0x%x/%d\n",
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res->Data.FixedIo.BaseAddress,
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res->Data.FixedIo.RangeLength));
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(*ops->ioport)(dev, context,
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res->Data.FixedIo.BaseAddress,
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res->Data.FixedIo.RangeLength);
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break;
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case ACPI_RSTYPE_IO:
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if (res->Data.Io.MinBaseAddress ==
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res->Data.Io.MaxBaseAddress) {
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Io 0x%x/%d\n",
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res->Data.Io.MinBaseAddress,
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res->Data.Io.RangeLength));
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(*ops->ioport)(dev, context,
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res->Data.Io.MinBaseAddress,
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res->Data.Io.RangeLength);
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} else {
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Io 0x%x-0x%x/%d\n",
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res->Data.Io.MinBaseAddress,
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res->Data.Io.MaxBaseAddress,
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res->Data.Io.RangeLength));
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(*ops->iorange)(dev, context,
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res->Data.Io.MinBaseAddress,
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res->Data.Io.MaxBaseAddress,
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res->Data.Io.RangeLength,
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res->Data.Io.Alignment);
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}
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break;
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case ACPI_RSTYPE_FIXED_MEM32:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"FixedMemory32 0x%x/%d\n",
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res->Data.FixedMemory32.RangeBaseAddress,
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res->Data.FixedMemory32.RangeLength));
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(*ops->memory)(dev, context,
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res->Data.FixedMemory32.RangeBaseAddress,
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res->Data.FixedMemory32.RangeLength);
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break;
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case ACPI_RSTYPE_MEM32:
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if (res->Data.Memory32.MinBaseAddress ==
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res->Data.Memory32.MaxBaseAddress) {
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Memory32 0x%x/%d\n",
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res->Data.Memory32.MinBaseAddress,
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res->Data.Memory32.RangeLength));
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(*ops->memory)(dev, context,
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res->Data.Memory32.MinBaseAddress,
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res->Data.Memory32.RangeLength);
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} else {
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Memory32 0x%x-0x%x/%d\n",
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res->Data.Memory32.MinBaseAddress,
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res->Data.Memory32.MaxBaseAddress,
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res->Data.Memory32.RangeLength));
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(*ops->memrange)(dev, context,
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res->Data.Memory32.MinBaseAddress,
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res->Data.Memory32.MaxBaseAddress,
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res->Data.Memory32.RangeLength,
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res->Data.Memory32.Alignment);
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}
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break;
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case ACPI_RSTYPE_MEM24:
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if (res->Data.Memory24.MinBaseAddress ==
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res->Data.Memory24.MaxBaseAddress) {
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Memory24 0x%x/%d\n",
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res->Data.Memory24.MinBaseAddress,
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res->Data.Memory24.RangeLength));
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(*ops->memory)(dev, context,
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res->Data.Memory24.MinBaseAddress,
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res->Data.Memory24.RangeLength);
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} else {
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Memory24 0x%x-0x%x/%d\n",
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res->Data.Memory24.MinBaseAddress,
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res->Data.Memory24.MaxBaseAddress,
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res->Data.Memory24.RangeLength));
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(*ops->memrange)(dev, context,
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res->Data.Memory24.MinBaseAddress,
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res->Data.Memory24.MaxBaseAddress,
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res->Data.Memory24.RangeLength,
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res->Data.Memory24.Alignment);
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}
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break;
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case ACPI_RSTYPE_IRQ:
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for (i = 0; i < res->Data.Irq.NumberOfInterrupts; i++) {
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"IRQ %d\n", res->Data.Irq.Interrupts[i]));
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(*ops->irq)(dev, context,
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res->Data.Irq.Interrupts[i],
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res->Data.Irq.EdgeLevel);
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}
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break;
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case ACPI_RSTYPE_DMA:
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for (i = 0; i < res->Data.Dma.NumberOfChannels; i++) {
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"DRQ %d\n", res->Data.Dma.Channels[i]));
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(*ops->drq)(dev, context,
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res->Data.Dma.Channels[i]);
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}
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break;
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case ACPI_RSTYPE_START_DPF:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Start dependant functions: %d\n",
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res->Data.StartDpf.CompatibilityPriority));
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(*ops->start_dep)(dev, context,
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res->Data.StartDpf.CompatibilityPriority);
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break;
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case ACPI_RSTYPE_END_DPF:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"End dependant functions\n"));
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(*ops->end_dep)(dev, context);
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case ACPI_RSTYPE_ADDRESS32:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Address32 unimplemented\n"));
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break;
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case ACPI_RSTYPE_ADDRESS16:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Address16 unimplemented\n"));
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break;
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case ACPI_RSTYPE_EXT_IRQ:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"ExtendedIrq unimplemented\n"));
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break;
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case ACPI_RSTYPE_VENDOR:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"VendorSpecific unimplemented\n"));
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break;
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default:
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ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
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"Unknown resource type: %d\n", res->Id));
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break;
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}
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}
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AcpiOsFree(buf.Pointer);
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(*ops->fini)(dev, context);
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return_ACPI_STATUS(AE_OK);
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}
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/*
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* acpi_resource_print:
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*
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* Print the resources assigned to a device.
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*/
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void
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acpi_resource_print(struct device *dev, struct acpi_resources *res)
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{
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const char *sep;
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if (SIMPLEQ_EMPTY(&res->ar_io) &&
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SIMPLEQ_EMPTY(&res->ar_iorange) &&
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SIMPLEQ_EMPTY(&res->ar_mem) &&
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SIMPLEQ_EMPTY(&res->ar_memrange) &&
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SIMPLEQ_EMPTY(&res->ar_irq) &&
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SIMPLEQ_EMPTY(&res->ar_drq))
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return;
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printf("%s:", dev->dv_xname);
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if (SIMPLEQ_EMPTY(&res->ar_io) == 0) {
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struct acpi_io *ar;
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sep = "";
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printf(" io ");
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SIMPLEQ_FOREACH(ar, &res->ar_io, ar_list) {
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printf("%s0x%x", sep, ar->ar_base);
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if (ar->ar_length > 1)
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printf("-0x%x", ar->ar_base +
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ar->ar_length - 1);
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sep = ",";
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}
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}
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/* XXX iorange */
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if (SIMPLEQ_EMPTY(&res->ar_mem) == 0) {
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struct acpi_mem *ar;
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sep = "";
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printf(" mem ");
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SIMPLEQ_FOREACH(ar, &res->ar_mem, ar_list) {
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printf("%s0x%x", sep, ar->ar_base);
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if (ar->ar_length > 1)
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printf("-0x%x", ar->ar_base +
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ar->ar_length - 1);
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sep = ",";
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}
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}
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/* XXX memrange */
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if (SIMPLEQ_EMPTY(&res->ar_irq) == 0) {
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struct acpi_irq *ar;
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sep = "";
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printf(" irq ");
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SIMPLEQ_FOREACH(ar, &res->ar_irq, ar_list) {
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printf("%s%d", sep, ar->ar_irq);
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sep = ",";
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}
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}
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if (SIMPLEQ_EMPTY(&res->ar_drq) == 0) {
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struct acpi_drq *ar;
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sep = "";
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printf(" drq ");
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SIMPLEQ_FOREACH(ar, &res->ar_drq, ar_list) {
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printf("%s%d", sep, ar->ar_drq);
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sep = ",";
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}
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}
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printf("\n");
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}
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struct acpi_io *
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acpi_res_io(struct acpi_resources *res, int idx)
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{
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struct acpi_io *ar;
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SIMPLEQ_FOREACH(ar, &res->ar_io, ar_list) {
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if (ar->ar_index == idx)
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return (ar);
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}
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return (NULL);
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}
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struct acpi_iorange *
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acpi_res_iorange(struct acpi_resources *res, int idx)
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{
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struct acpi_iorange *ar;
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SIMPLEQ_FOREACH(ar, &res->ar_iorange, ar_list) {
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if (ar->ar_index == idx)
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return (ar);
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}
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return (NULL);
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}
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struct acpi_mem *
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acpi_res_mem(struct acpi_resources *res, int idx)
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{
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struct acpi_mem *ar;
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SIMPLEQ_FOREACH(ar, &res->ar_mem, ar_list) {
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if (ar->ar_index == idx)
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return (ar);
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}
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return (NULL);
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}
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struct acpi_memrange *
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acpi_res_memrange(struct acpi_resources *res, int idx)
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{
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struct acpi_memrange *ar;
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SIMPLEQ_FOREACH(ar, &res->ar_memrange, ar_list) {
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if (ar->ar_index == idx)
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return (ar);
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}
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return (NULL);
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}
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struct acpi_irq *
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acpi_res_irq(struct acpi_resources *res, int idx)
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{
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struct acpi_irq *ar;
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SIMPLEQ_FOREACH(ar, &res->ar_irq, ar_list) {
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if (ar->ar_index == idx)
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return (ar);
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}
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return (NULL);
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}
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struct acpi_drq *
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acpi_res_drq(struct acpi_resources *res, int idx)
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{
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struct acpi_drq *ar;
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SIMPLEQ_FOREACH(ar, &res->ar_drq, ar_list) {
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if (ar->ar_index == idx)
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return (ar);
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}
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return (NULL);
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}
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/*****************************************************************************
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* Default ACPI resource parse operations.
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*****************************************************************************/
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static void acpi_res_parse_init(struct device *, void *, void **);
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static void acpi_res_parse_fini(struct device *, void *);
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static void acpi_res_parse_ioport(struct device *, void *, uint32_t,
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uint32_t);
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static void acpi_res_parse_iorange(struct device *, void *, uint32_t,
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uint32_t, uint32_t, uint32_t);
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static void acpi_res_parse_memory(struct device *, void *, uint32_t,
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uint32_t);
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static void acpi_res_parse_memrange(struct device *, void *, uint32_t,
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uint32_t, uint32_t, uint32_t);
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static void acpi_res_parse_irq(struct device *, void *, uint32_t, uint32_t);
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static void acpi_res_parse_drq(struct device *, void *, uint32_t);
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static void acpi_res_parse_start_dep(struct device *, void *, int);
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static void acpi_res_parse_end_dep(struct device *, void *);
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const struct acpi_resource_parse_ops acpi_resource_parse_ops_default = {
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acpi_res_parse_init,
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acpi_res_parse_fini,
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acpi_res_parse_ioport,
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acpi_res_parse_iorange,
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acpi_res_parse_memory,
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acpi_res_parse_memrange,
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acpi_res_parse_irq,
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acpi_res_parse_drq,
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acpi_res_parse_start_dep,
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acpi_res_parse_end_dep,
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};
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static void
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acpi_res_parse_init(struct device *dev, void *arg, void **contextp)
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{
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struct acpi_resources *res = arg;
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SIMPLEQ_INIT(&res->ar_io);
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res->ar_nio = 0;
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SIMPLEQ_INIT(&res->ar_iorange);
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res->ar_niorange = 0;
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SIMPLEQ_INIT(&res->ar_mem);
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res->ar_nmem = 0;
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SIMPLEQ_INIT(&res->ar_memrange);
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res->ar_nmemrange = 0;
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SIMPLEQ_INIT(&res->ar_irq);
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res->ar_nirq = 0;
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SIMPLEQ_INIT(&res->ar_drq);
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res->ar_ndrq = 0;
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*contextp = res;
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}
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static void
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acpi_res_parse_fini(struct device *dev, void *context)
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{
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struct acpi_resources *res = context;
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/* Print the resources we're using. */
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acpi_resource_print(dev, res);
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}
|
|
|
|
static void
|
|
acpi_res_parse_ioport(struct device *dev, void *context, uint32_t base,
|
|
uint32_t length)
|
|
{
|
|
struct acpi_resources *res = context;
|
|
struct acpi_io *ar;
|
|
|
|
ar = AcpiOsAllocate(sizeof(*ar));
|
|
if (ar == NULL) {
|
|
printf("%s: ACPI: unable to allocate I/O resource %d\n",
|
|
dev->dv_xname, res->ar_nio);
|
|
res->ar_nio++;
|
|
return;
|
|
}
|
|
|
|
ar->ar_index = res->ar_nio++;
|
|
ar->ar_base = base;
|
|
ar->ar_length = length;
|
|
|
|
SIMPLEQ_INSERT_TAIL(&res->ar_io, ar, ar_list);
|
|
}
|
|
|
|
static void
|
|
acpi_res_parse_iorange(struct device *dev, void *context, uint32_t low,
|
|
uint32_t high, uint32_t length, uint32_t align)
|
|
{
|
|
struct acpi_resources *res = context;
|
|
struct acpi_iorange *ar;
|
|
|
|
ar = AcpiOsAllocate(sizeof(*ar));
|
|
if (ar == NULL) {
|
|
printf("%s: ACPI: unable to allocate I/O range resource %d\n",
|
|
dev->dv_xname, res->ar_niorange);
|
|
res->ar_niorange++;
|
|
return;
|
|
}
|
|
|
|
ar->ar_index = res->ar_niorange++;
|
|
ar->ar_low = low;
|
|
ar->ar_high = high;
|
|
ar->ar_length = length;
|
|
ar->ar_align = align;
|
|
|
|
SIMPLEQ_INSERT_TAIL(&res->ar_iorange, ar, ar_list);
|
|
}
|
|
|
|
static void
|
|
acpi_res_parse_memory(struct device *dev, void *context, uint32_t base,
|
|
uint32_t length)
|
|
{
|
|
struct acpi_resources *res = context;
|
|
struct acpi_mem *ar;
|
|
|
|
ar = AcpiOsAllocate(sizeof(*ar));
|
|
if (ar == NULL) {
|
|
printf("%s: ACPI: unable to allocate Memory resource %d\n",
|
|
dev->dv_xname, res->ar_nmem);
|
|
res->ar_nmem++;
|
|
return;
|
|
}
|
|
|
|
ar->ar_index = res->ar_nmem++;
|
|
ar->ar_base = base;
|
|
ar->ar_length = length;
|
|
|
|
SIMPLEQ_INSERT_TAIL(&res->ar_mem, ar, ar_list);
|
|
}
|
|
|
|
static void
|
|
acpi_res_parse_memrange(struct device *dev, void *context, uint32_t low,
|
|
uint32_t high, uint32_t length, uint32_t align)
|
|
{
|
|
struct acpi_resources *res = context;
|
|
struct acpi_memrange *ar;
|
|
|
|
ar = AcpiOsAllocate(sizeof(*ar));
|
|
if (ar == NULL) {
|
|
printf("%s: ACPI: unable to allocate Memory range resource "
|
|
"%d\n", dev->dv_xname, res->ar_nmemrange);
|
|
res->ar_nmemrange++;
|
|
return;
|
|
}
|
|
|
|
ar->ar_index = res->ar_nmemrange++;
|
|
ar->ar_low = low;
|
|
ar->ar_high = high;
|
|
ar->ar_length = length;
|
|
ar->ar_align = align;
|
|
|
|
SIMPLEQ_INSERT_TAIL(&res->ar_memrange, ar, ar_list);
|
|
}
|
|
|
|
static void
|
|
acpi_res_parse_irq(struct device *dev, void *context, uint32_t irq, uint32_t type)
|
|
{
|
|
struct acpi_resources *res = context;
|
|
struct acpi_irq *ar;
|
|
|
|
ar = AcpiOsAllocate(sizeof(*ar));
|
|
if (ar == NULL) {
|
|
printf("%s: ACPI: unable to allocate IRQ resource %d\n",
|
|
dev->dv_xname, res->ar_nirq);
|
|
res->ar_nirq++;
|
|
return;
|
|
}
|
|
|
|
ar->ar_index = res->ar_nirq++;
|
|
ar->ar_irq = irq;
|
|
ar->ar_type = type;
|
|
|
|
SIMPLEQ_INSERT_TAIL(&res->ar_irq, ar, ar_list);
|
|
}
|
|
|
|
static void
|
|
acpi_res_parse_drq(struct device *dev, void *context, uint32_t drq)
|
|
{
|
|
struct acpi_resources *res = context;
|
|
struct acpi_drq *ar;
|
|
|
|
ar = AcpiOsAllocate(sizeof(*ar));
|
|
if (ar == NULL) {
|
|
printf("%s: ACPI: unable to allocate DRQ resource %d\n",
|
|
dev->dv_xname, res->ar_ndrq);
|
|
res->ar_ndrq++;
|
|
return;
|
|
}
|
|
|
|
ar->ar_index = res->ar_ndrq++;
|
|
ar->ar_drq = drq;
|
|
|
|
SIMPLEQ_INSERT_TAIL(&res->ar_drq, ar, ar_list);
|
|
}
|
|
|
|
static void
|
|
acpi_res_parse_start_dep(struct device *dev, void *context, int preference)
|
|
{
|
|
|
|
printf("%s: ACPI: dependant functions not supported\n",
|
|
dev->dv_xname);
|
|
}
|
|
|
|
static void
|
|
acpi_res_parse_end_dep(struct device *dev, void *context)
|
|
{
|
|
|
|
/* Nothing to do. */
|
|
}
|