1ea7f1c8cSNeel Natu /*- 24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 31de7b4b8SPedro F. Giffuni * 4ea7f1c8cSNeel Natu * Copyright (c) 2013 Neel Natu <neel@freebsd.org> 5ea7f1c8cSNeel Natu * All rights reserved. 6ea7f1c8cSNeel Natu * 7ea7f1c8cSNeel Natu * Redistribution and use in source and binary forms, with or without 8ea7f1c8cSNeel Natu * modification, are permitted provided that the following conditions 9ea7f1c8cSNeel Natu * are met: 10ea7f1c8cSNeel Natu * 1. Redistributions of source code must retain the above copyright 11ea7f1c8cSNeel Natu * notice, this list of conditions and the following disclaimer. 12ea7f1c8cSNeel Natu * 2. Redistributions in binary form must reproduce the above copyright 13ea7f1c8cSNeel Natu * notice, this list of conditions and the following disclaimer in the 14ea7f1c8cSNeel Natu * documentation and/or other materials provided with the distribution. 15ea7f1c8cSNeel Natu * 16ea7f1c8cSNeel Natu * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17ea7f1c8cSNeel Natu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18ea7f1c8cSNeel Natu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19ea7f1c8cSNeel Natu * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20ea7f1c8cSNeel Natu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21ea7f1c8cSNeel Natu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22ea7f1c8cSNeel Natu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23ea7f1c8cSNeel Natu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24ea7f1c8cSNeel Natu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25ea7f1c8cSNeel Natu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26ea7f1c8cSNeel Natu * SUCH DAMAGE. 27ea7f1c8cSNeel Natu */ 28ea7f1c8cSNeel Natu 29ea7f1c8cSNeel Natu #ifndef _UART_EMUL_H_ 30ea7f1c8cSNeel Natu #define _UART_EMUL_H_ 31ea7f1c8cSNeel Natu 32d1c5d0cfSMark Johnston #define UART_NS16550_IO_BAR_SIZE 8 33ea7f1c8cSNeel Natu 34d1c5d0cfSMark Johnston struct uart_ns16550_softc; 35*f3003a0dSAndrew Turner struct uart_pl011_softc; 36483d953aSJohn Baldwin struct vm_snapshot_meta; 37ea7f1c8cSNeel Natu 38ea7f1c8cSNeel Natu typedef void (*uart_intr_func_t)(void *arg); 39ea7f1c8cSNeel Natu 40ea7f1c8cSNeel Natu int uart_legacy_alloc(int unit, int *ioaddr, int *irq); 41d1c5d0cfSMark Johnston 42d1c5d0cfSMark Johnston struct uart_ns16550_softc *uart_ns16550_init(uart_intr_func_t intr_assert, 43d1c5d0cfSMark Johnston uart_intr_func_t intr_deassert, void *arg); 44d1c5d0cfSMark Johnston uint8_t uart_ns16550_read(struct uart_ns16550_softc *sc, int offset); 45d1c5d0cfSMark Johnston void uart_ns16550_write(struct uart_ns16550_softc *sc, int offset, 46d1c5d0cfSMark Johnston uint8_t value); 47d1c5d0cfSMark Johnston int uart_ns16550_tty_open(struct uart_ns16550_softc *sc, 48d1c5d0cfSMark Johnston const char *device); 49483d953aSJohn Baldwin #ifdef BHYVE_SNAPSHOT 50d1c5d0cfSMark Johnston int uart_ns16550_snapshot(struct uart_ns16550_softc *sc, 51d1c5d0cfSMark Johnston struct vm_snapshot_meta *meta); 52483d953aSJohn Baldwin #endif 53*f3003a0dSAndrew Turner 54*f3003a0dSAndrew Turner uint32_t uart_pl011_read(struct uart_pl011_softc *sc, int offset); 55*f3003a0dSAndrew Turner void uart_pl011_write(struct uart_pl011_softc *sc, int offset, 56*f3003a0dSAndrew Turner uint32_t value); 57*f3003a0dSAndrew Turner struct uart_pl011_softc *uart_pl011_init(uart_intr_func_t intr_assert, 58*f3003a0dSAndrew Turner uart_intr_func_t intr_deassert, void *arg); 59*f3003a0dSAndrew Turner int uart_pl011_tty_open(struct uart_pl011_softc *sc, const char *device); 60*f3003a0dSAndrew Turner 61*f3003a0dSAndrew Turner #endif /* _UART_EMUL_H_ */ 62