122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/* $NetBSD: ttycons.c,v 1.5 2011/08/28 21:21:05 jmcneill Exp $ */
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/*-
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* Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ttycons.c,v 1.5 2011/08/28 21:21:05 jmcneill Exp $");
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/termios.h>
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#include <dev/cons.h>
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#include <machine/mainbus.h>
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#include <machine/thunk.h>
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static int ttycons_match(device_t, cfdata_t, void *);
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static void ttycons_attach(device_t, device_t, void *);
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void ttycons_consinit(void);
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typedef struct ttycons_softc {
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device_t sc_dev;
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} ttycons_softc_t;
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dev_type_cngetc(ttycons_cngetc);
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dev_type_cnputc(ttycons_cnputc);
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dev_type_cnpollc(ttycons_cnpollc);
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static struct cnm_state ttycons_cnm_state;
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struct consdev ttycons_consdev = {
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.cn_getc = ttycons_cngetc,
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.cn_putc = ttycons_cnputc,
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.cn_pollc = ttycons_cnpollc,
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};
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CFATTACH_DECL_NEW(ttycons, sizeof(ttycons_softc_t),
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ttycons_match, ttycons_attach, NULL, NULL);
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static int
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ttycons_match(device_t parent, cfdata_t match, void *opaque)
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{
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struct thunkbus_attach_args *taa = opaque;
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if (taa->taa_type != THUNKBUS_TYPE_TTYCONS)
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return 0;
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return 1;
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}
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static void
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ttycons_attach(device_t parent, device_t self, void *opaque)
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{
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ttycons_softc_t *sc = device_private(self);
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aprint_naive("\n");
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aprint_normal(": console\n");
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sc->sc_dev = self;
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}
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void
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ttycons_consinit(void)
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{
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struct thunk_termios t;
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thunk_tcgetattr(0, &t);
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t.c_lflag &= ~(ECHO|ICANON);
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t.c_cc[VTIME] = 0;
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t.c_cc[VMIN] = 1;
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thunk_tcsetattr(0, TCSANOW, &t);
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cn_tab = &ttycons_consdev;
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cn_init_magic(&ttycons_cnm_state);
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cn_set_magic("\047\001");
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}
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int
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ttycons_cngetc(dev_t dev)
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{
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return thunk_getchar();
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}
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void
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ttycons_cnputc(dev_t dev, int c)
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{
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thunk_putchar(c);
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}
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void
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ttycons_cnpollc(dev_t dev, int on)
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{
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}
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