xref: /freebsd/sys/dev/gpio/acpi_gpiobusvar.h (revision b1879975794772ee51f0b4865753364c7d7626c3)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2024 Colin Percival
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef	__ACPI_GPIOBUS_H__
29 #define	__ACPI_GPIOBUS_H__
30 
31 #include <sys/bus.h>
32 
33 #include <contrib/dev/acpica/include/acpi.h>
34 
35 enum acpi_gpiobus_ivars {
36 	ACPI_GPIOBUS_IVAR_HANDLE	= 10600,
37 };
38 
39 #define ACPI_GPIOBUS_ACCESSOR(var, ivar, type)			\
40 	__BUS_ACCESSOR(acpi_gpiobus, var, ACPI_GPIOBUS, ivar, type)
41 
42 ACPI_GPIOBUS_ACCESSOR(handle,	HANDLE,		ACPI_HANDLE)
43 
44 #undef ACPI_GPIOBUS_ACCESSOR
45 
46 int gpio_pin_get_by_acpi_index(device_t consumer, uint32_t idx,
47     gpio_pin_t *out_pin);
48 
49 #endif	/* __ACPI_GPIOBUS_H__ */
50