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Diffstat (limited to 'sys/alpha/include/cons.h')
| -rw-r--r-- | sys/alpha/include/cons.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/sys/alpha/include/cons.h b/sys/alpha/include/cons.h new file mode 100644 index 000000000000..df135cc1b5dd --- /dev/null +++ b/sys/alpha/include/cons.h @@ -0,0 +1,110 @@ +/* + * Copyright (c) 1988 University of Utah. + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * 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. + * + * from: @(#)cons.h 7.2 (Berkeley) 5/9/91 + * $Id: cons.h,v 1.17 1997/07/01 00:54:37 bde Exp $ + */ + +#ifndef _MACHINE_CONS_H_ +#define _MACHINE_CONS_H_ + +struct consdev; +typedef void cn_probe_t __P((struct consdev *)); +typedef void cn_init_t __P((struct consdev *)); +typedef int cn_getc_t __P((dev_t)); +typedef int cn_checkc_t __P((dev_t)); +typedef void cn_putc_t __P((dev_t, int)); + +#ifdef KERNEL +/* + * XXX public functions in drivers should be declared in headers produced + * by `config', not here. + */ +cn_probe_t pccnprobe; +cn_init_t pccninit; +cn_getc_t pccngetc; +cn_checkc_t pccncheckc; +cn_putc_t pccnputc; + +cn_probe_t sccnprobe; +cn_init_t sccninit; +cn_getc_t sccngetc; +cn_checkc_t sccncheckc; +cn_putc_t sccnputc; + +cn_probe_t siocnprobe; +cn_init_t siocninit; +cn_getc_t siocngetc; +cn_checkc_t siocncheckc; +cn_putc_t siocnputc; +#endif /* KERNEL */ + +struct consdev { + cn_probe_t *cn_probe; + /* probe hardware and fill in consdev info */ + cn_init_t *cn_init; + /* turn on as console */ + cn_getc_t *cn_getc; + /* kernel getchar interface */ + cn_checkc_t *cn_checkc; + /* kernel "return char if available" interface */ + cn_putc_t *cn_putc; + /* kernel putchar interface */ + struct tty *cn_tp; /* tty structure for console device */ + dev_t cn_dev; /* major/minor of device */ + short cn_pri; /* pecking order; the higher the better */ +}; + +/* values for cn_pri - reflect our policy for console selection */ +#define CN_DEAD 0 /* device doesn't exist */ +#define CN_NORMAL 1 /* device exists but is nothing special */ +#define CN_INTERNAL 2 /* "internal" bit-mapped display */ +#define CN_REMOTE 3 /* serial interface with remote bit set */ + +#ifdef KERNEL +extern int cons_unavail; + +/* Other kernel entry points. */ +int cncheckc __P((void)); +int cngetc __P((void)); +void cninit __P((void)); +void cninit_finish __P((void)); +void cnputc __P((int)); + +#endif /* KERNEL */ + +#endif /* !_MACHINE_CONS_H_ */ |