1 /*- 2 * Copyright (c) 2015 Michal Meloun 3 * Copyright (c) 2016 The FreeBSD Foundation 4 * All rights reserved. 5 * 6 * This software was developed by Andrew Turner under 7 * sponsorship from the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 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. 17 * 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 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _DEV_UART_CPU_ACPI_H_ 32 #define _DEV_UART_CPU_ACPI_H_ 33 34 #include <sys/linker_set.h> 35 36 struct uart_class; 37 38 struct acpi_uart_compat_data { 39 const char *cd_hid; 40 struct uart_class *cd_class; 41 42 uint16_t cd_port_subtype; 43 int cd_regshft; 44 int cd_regiowidth; 45 int cd_rclk; 46 int cd_quirks; 47 const char *cd_desc; 48 }; 49 50 /* 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 53 * declaration 54 */ 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) 58 59 /* 60 * If your UART driver implements uart_class and custom device layer, 61 * then use UART_ACPI_CLASS for its declaration 62 */ 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) 66 67 /* Try to initialize UART device from ACPI tables */ 68 int uart_cpu_acpi_setup(int devtype, struct uart_devinfo *di); 69 70 #endif /* _DEV_UART_CPU_ACPI_H_ */ 71