2 # Copyright (c) 2004 Nate Lawson
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 # $DragonFly: src/sys/dev/acpica5/acpi_if.m,v 1.3 2008/09/29 06:59:45 hasso Exp $
30 #include <sys/types.h>
36 # Callback function for each child handle traversed in acpi_scan_children().
38 # ACPI_HANDLE h: current child device being considered
40 # device_t *dev: pointer to the child's original device_t or NULL if there
41 # was none. The callback should store a new device in *dev if it has
42 # created one. The method implementation will automatically clean up the
43 # previous device and properly associate the current ACPI_HANDLE with it.
45 # level: current level being scanned
47 # void *arg: argument passed in original call to acpi_scan_children()
49 # Returns: AE_OK if the scan should continue, otherwise an error
52 typedef ACPI_STATUS (*acpi_scan_cb_t)(ACPI_HANDLE h, device_t *dev,
53 int level, void *arg);
60 # Default implementation for acpi_id_probe().
64 acpi_generic_id_probe(device_t bus, device_t dev, char **ids)
71 # Check a device for a match in a list of ID strings. The strings can be
72 # EISA PNP IDs or ACPI _HID/_CID values.
74 # device_t bus: parent bus for the device
76 # device_t dev: device being considered
78 # char **ids: array of ID strings to consider
80 # Returns: ID string matched or NULL if no match
82 METHOD char * id_probe {
86 } DEFAULT acpi_generic_id_probe;
89 # Query a given driver for its supported feature(s). This should be
90 # called by the parent bus before the driver is probed.
92 # driver_t *driver: child driver
94 # u_int *features: returned bitmask of all supported features
96 STATICMETHOD int get_features {
102 # Read embedded controller (EC) address space
104 # device_t dev: EC device
105 # u_int addr: Address to read from in EC space
106 # ACPI_INTEGER *val: Location to store read value
107 # int width: Size of area to read in bytes
117 # Write embedded controller (EC) address space
119 # device_t dev: EC device
120 # u_int addr: Address to write to in EC space
121 # ACPI_INTEGER val: Value to write
122 # int width: Size of value to write in bytes
124 METHOD int ec_write {
132 # Get battery information (_BIF format)
134 # device_t dev: Battery device
135 # struct acpi_bif *bif: Pointer to storage for _BIF results
137 METHOD int batt_get_info {
139 struct acpi_bif *bif;
143 # Get battery status (_BST format)
145 # device_t dev: Battery device
146 # struct acpi_bst *bst: Pointer to storage for _BST results
148 METHOD int batt_get_status {
150 struct acpi_bst *bst;