diff options
Diffstat (limited to 'sys/dev/mc146818/mc146818var.h')
| -rw-r--r-- | sys/dev/mc146818/mc146818var.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/sys/dev/mc146818/mc146818var.h b/sys/dev/mc146818/mc146818var.h new file mode 100644 index 000000000000..78d9945f686f --- /dev/null +++ b/sys/dev/mc146818/mc146818var.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2003 Izumi Tsutsui. 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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: NetBSD: mc146818var.h,v 1.3 2003/11/24 06:20:40 tsutsui Exp + * + * $FreeBSD$ + */ + +struct mc146818_softc { + bus_space_tag_t sc_bst; /* bus space tag */ + bus_space_handle_t sc_bsh; /* bus space handle */ + + u_char sc_rega; /* register A */ + u_char sc_regb; /* register B */ + + u_int sc_year0; /* year counter offset */ + u_int sc_flag; /* MD flags */ +#define MC146818_NO_CENT_ADJUST 0x0001 /* don't adjust century */ +#define MC146818_BCD 0x0002 /* use BCD mode */ +#define MC146818_12HR 0x0004 /* use AM/PM mode */ + + /* MD chip register read/write functions */ + u_int (*sc_mcread)(device_t, u_int); + void (*sc_mcwrite)(device_t, u_int, u_int); + /* MD century get/set functions */ + u_int (*sc_getcent)(device_t); + void (*sc_setcent)(device_t, u_int); +}; + +/* Chip attach function */ +int mc146818_attach(device_t); + +/* Methods for the clock interface */ +#ifdef notyet +int mc146818_getsecs(device_t, int *); +#endif +int mc146818_gettime(device_t, struct timespec *); +int mc146818_settime(device_t, struct timespec *); |