1 /* $NetBSD: gfttyvar.h,v 1.2 2024/01/06 17:52:43 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2023 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _DEV_GOLDFISH_GFTTYVAR_H_ 33 #define _DEV_GOLDFISH_GFTTYVAR_H_ 34 35 #include <sys/bus.h> 36 #include <sys/mutex.h> 37 #include <sys/tty.h> 38 39 struct gftty_config { 40 bus_space_tag_t c_bst; 41 bus_space_handle_t c_bsh; 42 uint32_t c_version; 43 }; 44 45 struct gftty_softc { 46 device_t sc_dev; 47 struct gftty_config *sc_config; 48 49 void *sc_ih; 50 void *sc_rx_si; 51 52 bus_dma_tag_t sc_dmat; 53 bus_dmamap_t sc_tx_dma; 54 bus_dmamap_t sc_rx_dma; 55 56 kmutex_t sc_hwlock; /* locks DMA pointer */ 57 58 struct tty *sc_tty; 59 char *sc_rxbufs[2]; 60 bus_addr_t sc_rxaddrs[2]; 61 char *sc_rxbuf; /* tty lock */ 62 bus_addr_t sc_rxaddr; /* tty lock */ 63 int sc_rxpos; /* tty lock */ 64 int sc_rxcur; /* tty lock */ 65 }; 66 67 void gftty_attach(struct gftty_softc *sc); 68 bool gftty_is_console(struct gftty_softc *sc); 69 void gftty_alloc_config(struct gftty_softc *sc, bus_space_tag_t, 70 bus_space_handle_t); 71 int gftty_intr(void *); 72 void gftty_cnattach(bus_space_tag_t, bus_space_handle_t); 73 74 #endif /* _DEV_GOLDFISH_GFTTYVAR_H_ */ 75