1 | /* $NetBSD: wmi_acpivar.h,v 1.5 2010/10/28 15:55:04 jruoho Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2009, 2010 Jukka Ruohonen <jruohonen@iki.fi> |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
27 | * SUCH DAMAGE. |
28 | */ |
29 | |
30 | #ifndef _SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H |
31 | #define _SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H |
32 | |
33 | #include <sys/cdefs.h> |
34 | __KERNEL_RCSID(0, "$NetBSD: wmi_acpivar.h,v 1.5 2010/10/28 15:55:04 jruoho Exp $" ); |
35 | |
36 | ACPI_STATUS acpi_wmi_event_register(device_t, ACPI_NOTIFY_HANDLER); |
37 | ACPI_STATUS acpi_wmi_event_deregister(device_t); |
38 | ACPI_STATUS acpi_wmi_event_get(device_t, uint32_t, ACPI_BUFFER *); |
39 | |
40 | int acpi_wmi_guid_match(device_t, const char *); |
41 | |
42 | ACPI_STATUS acpi_wmi_data_query(device_t, const char *, |
43 | uint8_t, ACPI_BUFFER *); |
44 | ACPI_STATUS acpi_wmi_data_write(device_t, const char *, |
45 | uint8_t, ACPI_BUFFER *); |
46 | |
47 | ACPI_STATUS acpi_wmi_method(device_t, const char *, uint8_t, |
48 | uint32_t, ACPI_BUFFER *, ACPI_BUFFER *); |
49 | |
50 | struct guid_t { |
51 | |
52 | /* |
53 | * The GUID itself. The used format is the usual 32-16-16-64-bit |
54 | * representation. All except the fourth field are in native byte |
55 | * order. A 32-16-16-16-48-bit hexadecimal notation with hyphens |
56 | * is used for human-readable GUIDs. |
57 | */ |
58 | struct { |
59 | uint32_t data1; |
60 | uint16_t data2; |
61 | uint16_t data3; |
62 | uint8_t data4[8]; |
63 | } __packed; |
64 | |
65 | union { |
66 | char oid[2]; /* ACPI object ID. */ |
67 | |
68 | struct { |
69 | uint8_t nid; /* Notification value. */ |
70 | uint8_t res; /* Reserved. */ |
71 | } __packed; |
72 | } __packed; |
73 | |
74 | uint8_t count; /* Number of instances. */ |
75 | uint8_t flags; /* Additional flags. */ |
76 | |
77 | } __packed; |
78 | |
79 | #define ACPI_WMI_FLAG_EXPENSIVE 0x01 |
80 | #define ACPI_WMI_FLAG_METHOD 0x02 |
81 | #define ACPI_WMI_FLAG_STRING 0x04 |
82 | #define ACPI_WMI_FLAG_EVENT 0x08 |
83 | #define ACPI_WMI_FLAG_DATA (ACPI_WMI_FLAG_EXPENSIVE | \ |
84 | ACPI_WMI_FLAG_STRING) |
85 | |
86 | struct wmi_t { |
87 | struct guid_t guid; |
88 | bool eevent; |
89 | |
90 | SIMPLEQ_ENTRY(wmi_t) wmi_link; |
91 | }; |
92 | |
93 | struct acpi_wmi_softc { |
94 | device_t sc_dev; |
95 | device_t sc_child; |
96 | device_t sc_ecdev; |
97 | struct acpi_devnode *sc_node; |
98 | ACPI_NOTIFY_HANDLER sc_handler; |
99 | |
100 | SIMPLEQ_HEAD(, wmi_t) wmi_head; |
101 | }; |
102 | |
103 | #define UGET16(x) (*(uint16_t *)(x)) |
104 | #define UGET64(x) (*(uint64_t *)(x)) |
105 | |
106 | #define HEXCHAR(x) (((x) >= '0' && (x) <= '9') || \ |
107 | ((x) >= 'a' && (x) <= 'f') || \ |
108 | ((x) >= 'A' && (x) <= 'F')) |
109 | |
110 | #define GUIDCMP(a, b) \ |
111 | ((a)->data1 == (b)->data1 && \ |
112 | (a)->data2 == (b)->data2 && \ |
113 | (a)->data3 == (b)->data3 && \ |
114 | UGET64((a)->data4) == UGET64((b)->data4)) |
115 | |
116 | #endif /* !_SYS_DEV_ACPI_WMI_WMI_ACPIVAR_H */ |
117 | |