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117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
/* $NetBSD: wmi_acpivar.h,v 1.5 2010/10/28 15:55:04 jruoho Exp $ */
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/*-
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* Copyright (c) 2009, 2010 Jukka Ruohonen <jruohonen@iki.fi>
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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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*
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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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#ifndef _SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H
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#define _SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wmi_acpivar.h,v 1.5 2010/10/28 15:55:04 jruoho Exp $");
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ACPI_STATUS acpi_wmi_event_register(device_t, ACPI_NOTIFY_HANDLER);
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ACPI_STATUS acpi_wmi_event_deregister(device_t);
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ACPI_STATUS acpi_wmi_event_get(device_t, uint32_t, ACPI_BUFFER *);
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int acpi_wmi_guid_match(device_t, const char *);
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ACPI_STATUS acpi_wmi_data_query(device_t, const char *,
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uint8_t, ACPI_BUFFER *);
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ACPI_STATUS acpi_wmi_data_write(device_t, const char *,
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uint8_t, ACPI_BUFFER *);
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ACPI_STATUS acpi_wmi_method(device_t, const char *, uint8_t,
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uint32_t, ACPI_BUFFER *, ACPI_BUFFER *);
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struct guid_t {
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/*
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* The GUID itself. The used format is the usual 32-16-16-64-bit
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* representation. All except the fourth field are in native byte
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* order. A 32-16-16-16-48-bit hexadecimal notation with hyphens
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* is used for human-readable GUIDs.
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*/
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struct {
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uint32_t data1;
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uint16_t data2;
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uint16_t data3;
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uint8_t data4[8];
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} __packed;
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union {
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char oid[2]; /* ACPI object ID. */
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struct {
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uint8_t nid; /* Notification value. */
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uint8_t res; /* Reserved. */
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} __packed;
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} __packed;
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uint8_t count; /* Number of instances. */
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uint8_t flags; /* Additional flags. */
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} __packed;
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#define ACPI_WMI_FLAG_EXPENSIVE 0x01
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#define ACPI_WMI_FLAG_METHOD 0x02
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#define ACPI_WMI_FLAG_STRING 0x04
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#define ACPI_WMI_FLAG_EVENT 0x08
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#define ACPI_WMI_FLAG_DATA (ACPI_WMI_FLAG_EXPENSIVE | \
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ACPI_WMI_FLAG_STRING)
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struct wmi_t {
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struct guid_t guid;
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bool eevent;
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SIMPLEQ_ENTRY(wmi_t) wmi_link;
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};
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struct acpi_wmi_softc {
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device_t sc_dev;
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device_t sc_child;
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device_t sc_ecdev;
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struct acpi_devnode *sc_node;
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ACPI_NOTIFY_HANDLER sc_handler;
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SIMPLEQ_HEAD(, wmi_t) wmi_head;
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};
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#define UGET16(x) (*(uint16_t *)(x))
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#define UGET64(x) (*(uint64_t *)(x))
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#define HEXCHAR(x) (((x) >= '0' && (x) <= '9') || \
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((x) >= 'a' && (x) <= 'f') || \
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((x) >= 'A' && (x) <= 'F'))
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#define GUIDCMP(a, b) \
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((a)->data1 == (b)->data1 && \
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(a)->data2 == (b)->data2 && \
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(a)->data3 == (b)->data3 && \
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UGET64((a)->data4) == UGET64((b)->data4))
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#endif /* !_SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H */
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