| Current Path : /usr/src/contrib/ntp/kernel/sys/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/ntp/kernel/sys/i8253.h |
/* Copyright (c) 1995 Vixie Enterprises
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies, and that
* the name of Vixie Enterprises not be used in advertising or publicity
* pertaining to distribution of the document or software without specific,
* written prior permission.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND VIXIE ENTERPRISES DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VIXIE ENTERPRISES
* BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#ifndef _I8253_DEFINED
#define _I8253_DEFINED
typedef union {
unsigned char i;
struct {
unsigned int bcd : 1;
#define i8253_binary 0
#define i8253_bcd 1
unsigned int mode : 3;
#define i8253_termcnt 0
#define i8253_oneshot 1
#define i8253_rategen 2
#define i8253_sqrwave 3
#define i8253_softstb 4
#define i8253_hardstb 5
unsigned int rl : 2;
#define i8253_latch 0
#define i8253_lsb 1
#define i8253_msb 2
#define i8253_lmb 3
unsigned int cntr : 2;
#define i8253_cntr_0 0
#define i8253_cntr_1 1
#define i8253_cntr_2 2
} s;
} i8253_ctrl;
#endif /*_I8253_DEFINED*/