1*bf21cd93STycho Nightingale /*- 2*bf21cd93STycho Nightingale * Copyright (c) 2013 Neel Natu <neel@freebsd.org> 3*bf21cd93STycho Nightingale * All rights reserved. 4*bf21cd93STycho Nightingale * 5*bf21cd93STycho Nightingale * Redistribution and use in source and binary forms, with or without 6*bf21cd93STycho Nightingale * modification, are permitted provided that the following conditions 7*bf21cd93STycho Nightingale * are met: 8*bf21cd93STycho Nightingale * 1. Redistributions of source code must retain the above copyright 9*bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer. 10*bf21cd93STycho Nightingale * 2. Redistributions in binary form must reproduce the above copyright 11*bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer in the 12*bf21cd93STycho Nightingale * documentation and/or other materials provided with the distribution. 13*bf21cd93STycho Nightingale * 14*bf21cd93STycho Nightingale * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 15*bf21cd93STycho Nightingale * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*bf21cd93STycho Nightingale * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*bf21cd93STycho Nightingale * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 18*bf21cd93STycho Nightingale * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*bf21cd93STycho Nightingale * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*bf21cd93STycho Nightingale * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*bf21cd93STycho Nightingale * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*bf21cd93STycho Nightingale * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*bf21cd93STycho Nightingale * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*bf21cd93STycho Nightingale * SUCH DAMAGE. 25*bf21cd93STycho Nightingale * 26*bf21cd93STycho Nightingale * $FreeBSD: head/usr.sbin/bhyve/uart_emul.h 257293 2013-10-29 00:18:11Z neel $ 27*bf21cd93STycho Nightingale */ 28*bf21cd93STycho Nightingale 29*bf21cd93STycho Nightingale #ifndef _UART_EMUL_H_ 30*bf21cd93STycho Nightingale #define _UART_EMUL_H_ 31*bf21cd93STycho Nightingale 32*bf21cd93STycho Nightingale 33*bf21cd93STycho Nightingale #define UART_IO_BAR_SIZE 8 34*bf21cd93STycho Nightingale 35*bf21cd93STycho Nightingale struct uart_softc; 36*bf21cd93STycho Nightingale 37*bf21cd93STycho Nightingale typedef void (*uart_intr_func_t)(void *arg); 38*bf21cd93STycho Nightingale struct uart_softc *uart_init(uart_intr_func_t intr_assert, 39*bf21cd93STycho Nightingale uart_intr_func_t intr_deassert, void *arg); 40*bf21cd93STycho Nightingale 41*bf21cd93STycho Nightingale int uart_legacy_alloc(int unit, int *ioaddr, int *irq); 42*bf21cd93STycho Nightingale uint8_t uart_read(struct uart_softc *sc, int offset); 43*bf21cd93STycho Nightingale void uart_write(struct uart_softc *sc, int offset, uint8_t value); 44*bf21cd93STycho Nightingale int uart_set_backend(struct uart_softc *sc, const char *opt); 45*bf21cd93STycho Nightingale #endif 46