/* $NetBSD: wmi_acpivar.h,v 1.7 2020/04/16 23:29:52 rin Exp $ */
/*-
* Copyright (c) 2009, 2010 Jukka Ruohonen <
[email protected]>
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*/
#ifndef _SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H
#define _SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: wmi_acpivar.h,v 1.7 2020/04/16 23:29:52 rin Exp $");
ACPI_STATUS acpi_wmi_event_register(device_t, ACPI_NOTIFY_HANDLER);
ACPI_STATUS acpi_wmi_event_deregister(device_t);
ACPI_STATUS acpi_wmi_event_get(device_t, uint32_t, ACPI_BUFFER *);
int acpi_wmi_guid_match(device_t, const char *);
ACPI_STATUS acpi_wmi_data_query(device_t, const char *,
uint8_t, ACPI_BUFFER *);
ACPI_STATUS acpi_wmi_data_write(device_t, const char *,
uint8_t, ACPI_BUFFER *);
ACPI_STATUS acpi_wmi_method(device_t, const char *, uint8_t,
uint32_t, ACPI_BUFFER *, ACPI_BUFFER *);
struct guid_t {
/*
* The GUID itself. The used format is the usual 32-16-16-64-bit
* representation. All except the fourth field are in native byte
* order. A 32-16-16-16-48-bit hexadecimal notation with hyphens
* is used for human-readable GUIDs.
*/
struct {
uint32_t data1;
uint16_t data2;
uint16_t data3;
uint8_t data4[8];
} __packed;
union {
char oid[2]; /* ACPI object ID. */
struct {
uint8_t nid; /* Notification value. */
uint8_t res; /* Reserved. */
} __packed;
} __packed;
uint8_t count; /* Number of instances. */
uint8_t flags; /* Additional flags. */
} __packed;
#define ACPI_WMI_FLAG_EXPENSIVE 0x01
#define ACPI_WMI_FLAG_METHOD 0x02
#define ACPI_WMI_FLAG_STRING 0x04
#define ACPI_WMI_FLAG_EVENT 0x08
#define ACPI_WMI_FLAG_DATA (ACPI_WMI_FLAG_EXPENSIVE | \
ACPI_WMI_FLAG_STRING)
struct wmi_t {
struct guid_t guid;
bool eevent;
SIMPLEQ_ENTRY(wmi_t) wmi_link;
};
struct acpi_wmi_softc {
device_t sc_dev;
device_t sc_child;
device_t sc_ecdev;
struct acpi_devnode *sc_node;
ACPI_NOTIFY_HANDLER sc_handler;
SIMPLEQ_HEAD(, wmi_t) wmi_head;
};
#define UGET16(x) (*(uint16_t *)(x))
#define UGET64(x) (*(uint64_t *)(x))
#define HEXCHAR(x) (((x) >= '0' && (x) <= '9') || \
((x) >= 'a' && (x) <= 'f') || \
((x) >= 'A' && (x) <= 'F'))
#define GUIDCMP(a, b) \
((a)->data1 == (b)->data1 && \
(a)->data2 == (b)->data2 && \
(a)->data3 == (b)->data3 && \
UGET64((a)->data4) == UGET64((b)->data4))
#endif /* !_SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H */
