2 * Copyright (c) 2015 Michal Meloun
3 * Copyright (c) 2016 The FreeBSD Foundation
6 * This software was developed by Andrew Turner under
7 * sponsorship from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef _DEV_UART_CPU_ACPI_H_
32 #define _DEV_UART_CPU_ACPI_H_
34 #include <sys/linker_set.h>
38 struct acpi_uart_compat_data {
40 struct uart_class *cd_class;
42 uint16_t cd_port_subtype;
51 * If your UART driver implements only uart_class and uses uart_cpu_acpi.c
52 * for device instantiation, then use UART_ACPI_CLASS_AND_DEVICE for its
55 SET_DECLARE(uart_acpi_class_and_device_set, struct acpi_uart_compat_data);
56 #define UART_ACPI_CLASS_AND_DEVICE(data) \
57 DATA_SET(uart_acpi_class_and_device_set, data)
60 * If your UART driver implements uart_class and custom device layer,
61 * then use UART_ACPI_CLASS for its declaration
63 SET_DECLARE(uart_acpi_class_set, struct acpi_uart_compat_data);
64 #define UART_ACPI_CLASS(data) \
65 DATA_SET(uart_acpi_class_set, data)
67 /* Try to initialize UART device from SPCR data. */
68 int uart_cpu_acpi_spcr(int devtype, struct uart_devinfo *di);
70 #endif /* _DEV_UART_CPU_ACPI_H_ */