1bf21cd93STycho Nightingale /*- 24c87aefeSPatrick Mooney * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 34c87aefeSPatrick Mooney * 4bf21cd93STycho Nightingale * Copyright (c) 2013 Neel Natu <neel@freebsd.org> 5bf21cd93STycho Nightingale * All rights reserved. 6bf21cd93STycho Nightingale * 7bf21cd93STycho Nightingale * Redistribution and use in source and binary forms, with or without 8bf21cd93STycho Nightingale * modification, are permitted provided that the following conditions 9bf21cd93STycho Nightingale * are met: 10bf21cd93STycho Nightingale * 1. Redistributions of source code must retain the above copyright 11bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer. 12bf21cd93STycho Nightingale * 2. Redistributions in binary form must reproduce the above copyright 13bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer in the 14bf21cd93STycho Nightingale * documentation and/or other materials provided with the distribution. 15bf21cd93STycho Nightingale * 16bf21cd93STycho Nightingale * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17bf21cd93STycho Nightingale * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18bf21cd93STycho Nightingale * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19bf21cd93STycho Nightingale * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20bf21cd93STycho Nightingale * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21bf21cd93STycho Nightingale * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22bf21cd93STycho Nightingale * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23bf21cd93STycho Nightingale * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24bf21cd93STycho Nightingale * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25bf21cd93STycho Nightingale * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26bf21cd93STycho Nightingale * SUCH DAMAGE. 27bf21cd93STycho Nightingale * 284c87aefeSPatrick Mooney * $FreeBSD$ 29bf21cd93STycho Nightingale */ 30bf21cd93STycho Nightingale 31bf21cd93STycho Nightingale #ifndef _UART_EMUL_H_ 32bf21cd93STycho Nightingale #define _UART_EMUL_H_ 33bf21cd93STycho Nightingale 34bf21cd93STycho Nightingale 35bf21cd93STycho Nightingale #define UART_IO_BAR_SIZE 8 36bf21cd93STycho Nightingale 37bf21cd93STycho Nightingale struct uart_softc; 38bf21cd93STycho Nightingale 39bf21cd93STycho Nightingale typedef void (*uart_intr_func_t)(void *arg); 40bf21cd93STycho Nightingale struct uart_softc *uart_init(uart_intr_func_t intr_assert, 41bf21cd93STycho Nightingale uart_intr_func_t intr_deassert, void *arg); 42bf21cd93STycho Nightingale 43bf21cd93STycho Nightingale int uart_legacy_alloc(int unit, int *ioaddr, int *irq); 44bf21cd93STycho Nightingale uint8_t uart_read(struct uart_softc *sc, int offset); 45bf21cd93STycho Nightingale void uart_write(struct uart_softc *sc, int offset, uint8_t value); 46*2b948146SAndy Fiddaman int uart_set_backend(struct uart_softc *sc, const char *device); 47bf21cd93STycho Nightingale #endif 48