75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/* $NetBSD: gfttyvar.h,v 1.2 2024/01/06 17:52:43 thorpej Exp $ */
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/*-
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* Copyright (c) 2023 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_GOLDFISH_GFTTYVAR_H_
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#define _DEV_GOLDFISH_GFTTYVAR_H_
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#include <sys/bus.h>
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#include <sys/mutex.h>
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#include <sys/tty.h>
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struct gftty_config {
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bus_space_tag_t c_bst;
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bus_space_handle_t c_bsh;
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uint32_t c_version;
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};
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struct gftty_softc {
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device_t sc_dev;
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struct gftty_config *sc_config;
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void *sc_ih;
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void *sc_rx_si;
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bus_dma_tag_t sc_dmat;
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bus_dmamap_t sc_tx_dma;
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bus_dmamap_t sc_rx_dma;
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kmutex_t sc_hwlock; /* locks DMA pointer */
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struct tty *sc_tty;
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char *sc_rxbufs[2];
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bus_addr_t sc_rxaddrs[2];
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char *sc_rxbuf; /* tty lock */
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bus_addr_t sc_rxaddr; /* tty lock */
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int sc_rxpos; /* tty lock */
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int sc_rxcur; /* tty lock */
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};
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void gftty_attach(struct gftty_softc *sc);
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bool gftty_is_console(struct gftty_softc *sc);
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void gftty_alloc_config(struct gftty_softc *sc, bus_space_tag_t,
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bus_space_handle_t);
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int gftty_intr(void *);
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void gftty_cnattach(bus_space_tag_t, bus_space_handle_t);
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#endif /* _DEV_GOLDFISH_GFTTYVAR_H_ */
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