1 /*- 2 * Copyright 2015 Michal Meloun 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _DEV_UART_CPU_FDT_H_ 30 #define _DEV_UART_CPU_FDT_H_ 31 32 #include <sys/linker_set.h> 33 34 #include <dev/ofw/ofw_bus_subr.h> 35 36 /* 37 * If your UART driver implements only uart_class and uses uart_cpu_fdt.c 38 * for device instantiation, then use UART_FDT_CLASS_AND_DEVICE for its 39 * declaration 40 */ 41 SET_DECLARE(uart_fdt_class_and_device_set, struct ofw_compat_data ); 42 #define UART_FDT_CLASS_AND_DEVICE(data) \ 43 DATA_SET(uart_fdt_class_and_device_set, data) 44 45 /* 46 * If your UART driver implements uart_class and custom device layer, 47 * then use UART_FDT_CLASS for its declaration 48 */ 49 SET_DECLARE(uart_fdt_class_set, struct ofw_compat_data ); 50 #define UART_FDT_CLASS(data) \ 51 DATA_SET(uart_fdt_class_set, data) 52 53 int uart_cpu_fdt_probe(struct uart_class **, bus_space_tag_t *, 54 bus_space_handle_t *, int *, u_int *, u_int *, u_int *); 55 int uart_fdt_get_clock(phandle_t node, pcell_t *cell); 56 int uart_fdt_get_shift(phandle_t node, pcell_t *cell); 57 int uart_fdt_get_io_width(phandle_t node, pcell_t *cell); 58 59 #endif /* _DEV_UART_CPU_FDT_H_ */ 60