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authoruch <uch@NetBSD.org>2001-02-09 19:43:23 +0000
committeruch <uch@NetBSD.org>2001-02-09 19:43:23 +0000
commit9f7e4a2f04ce2e40858cece46f38c8ad4aedbd8c (patch)
tree7caf75621c81aebe3ddca7c09a627d7c8c5f024e /sys/dev/hpc/biconsdev.c
parentc36eeffed0d8aa0ffd32d53a6d0bec59243e2a1f (diff)
add hpcmips/hpcsh common device directory
put bicons. (builtin console driver that don't require actual device driver)
Diffstat (limited to 'sys/dev/hpc/biconsdev.c')
-rw-r--r--sys/dev/hpc/biconsdev.c242
1 files changed, 242 insertions, 0 deletions
diff --git a/sys/dev/hpc/biconsdev.c b/sys/dev/hpc/biconsdev.c
new file mode 100644
index 00000000000..c33389a9392
--- /dev/null
+++ b/sys/dev/hpc/biconsdev.c
@@ -0,0 +1,242 @@
+/* $NetBSD: biconsdev.c,v 1.1 2001/02/09 19:43:23 uch Exp $ */
+
+/*-
+ * Copyright (c) 1999-2001
+ * Shin Takemura and PocketBSD Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the PocketBSD project
+ * and its contributors.
+ * 4. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+/*
+ * Copyright (c) 1995
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ted Lemon.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include "biconsdev.h"
+#if NBICONSDEV > 0
+
+#include <sys/param.h>
+#include <sys/proc.h>
+#include <sys/systm.h>
+#include <sys/buf.h>
+#include <sys/ioctl.h>
+#include <sys/tty.h>
+#include <sys/conf.h>
+
+#include <dev/cons.h>
+#include <dev/hpc/bicons.h>
+#include <dev/hpc/biconsvar.h>
+
+struct tty biconsdev_tty[NBICONSDEV];
+void biconsdevattach(int);
+static void biconsdev_output(struct tty *);
+
+cdev_decl(biconsdev);
+
+void
+biconsdevattach(int n)
+{
+ struct tty *tp = &biconsdev_tty[0];
+ int maj;
+
+ /* locate the major number */
+ for (maj = 0; maj < nchrdev; maj++)
+ if (cdevsw[maj].d_open == biconsdevopen)
+ break;
+
+ /* Set up the tty queues now... */
+ clalloc(&tp->t_rawq, 1024, 1);
+ clalloc(&tp->t_canq, 1024, 1);
+ /* output queue doesn't need quoting */
+ clalloc(&tp->t_outq, 1024, 0);
+ /* Set default line discipline. */
+ tp->t_linesw = linesw[0];
+
+
+ tp->t_dev = makedev(maj, 0);
+ tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
+ tp->t_param = (int (*)(struct tty *, struct termios *))nullop;
+ tp->t_winsize.ws_row = bicons_height;
+ tp->t_winsize.ws_col = bicons_width;
+ tp->t_winsize.ws_xpixel = bicons_xpixel;
+ tp->t_winsize.ws_ypixel = bicons_ypixel;
+ tp->t_oproc = biconsdev_output;
+}
+
+
+static void
+biconsdev_output(struct tty *tp)
+{
+ int s, n;
+ char buf[OBUFSIZ];
+
+ s = spltty();
+ if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) {
+ splx(s);
+ return;
+ }
+ tp->t_state |= TS_BUSY;
+ splx(s);
+ n = q_to_b(&tp->t_outq, buf, sizeof(buf));
+ bicons_putn(buf, n);
+
+ s = spltty();
+ tp->t_state &= ~TS_BUSY;
+ /* Come back if there's more to do */
+ if (tp->t_outq.c_cc) {
+ tp->t_state |= TS_TIMEOUT;
+ callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
+ }
+ if (tp->t_outq.c_cc <= tp->t_lowat) {
+ if (tp->t_state&TS_ASLEEP) {
+ tp->t_state &= ~TS_ASLEEP;
+ wakeup((caddr_t)&tp->t_outq);
+ }
+ selwakeup(&tp->t_wsel);
+ }
+ splx(s);
+}
+
+
+int
+biconsdevopen(dev_t dev, int flag, int mode, struct proc *p)
+{
+ struct tty *tp = &biconsdev_tty[0];
+ int status;
+
+ if ((tp->t_state & TS_ISOPEN) == 0) {
+ /*
+ * Leave baud rate alone!
+ */
+ ttychars(tp);
+ tp->t_iflag = TTYDEF_IFLAG;
+ tp->t_oflag = TTYDEF_OFLAG;
+ tp->t_lflag = TTYDEF_LFLAG;
+ tp->t_cflag = TTYDEF_CFLAG;
+ tp->t_state = TS_ISOPEN | TS_CARR_ON;
+ (void)(*tp->t_param)(tp, &tp->t_termios);
+ ttsetwater(tp);
+ } else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
+ return (EBUSY);
+
+ status = (*tp->t_linesw->l_open)(dev, tp);
+ return status;
+}
+
+
+int
+biconsdevclose(dev_t dev, int flag, int mode, struct proc *p)
+{
+ struct tty *tp = &biconsdev_tty[0];
+
+ (*tp->t_linesw->l_close)(tp, flag);
+ ttyclose(tp);
+
+ return (0);
+}
+
+
+int
+biconsdevread(dev_t dev, struct uio *uio, int flag)
+{
+ struct tty *tp = &biconsdev_tty[0];
+
+ return ((*tp->t_linesw->l_read)(tp, uio, flag));
+}
+
+
+int
+biconsdevwrite(dev_t dev, struct uio *uio, int flag)
+{
+ struct tty *tp = &biconsdev_tty[0];
+
+ return ((*tp->t_linesw->l_write)(tp, uio, flag));
+}
+
+
+struct tty *
+biconsdevtty(dev_t dev)
+{
+ struct tty *tp = &biconsdev_tty[0];
+
+ return (tp);
+}
+
+int
+biconsdevioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
+{
+ struct tty *tp = &biconsdev_tty[0];
+ int error;
+
+ if ((error = tp->t_linesw->l_ioctl(tp, cmd, data, flag, p)) >= 0)
+ return (error);
+ if ((error = ttioctl(tp, cmd, data, flag, p)) >= 0)
+ return (error);
+ return (ENOTTY);
+}
+
+void
+biconsdevstop(struct tty *tp, int rw)
+{
+
+}
+
+#endif /* NBICONSDEV > 0 */