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ntp 4.2.6p5

    1: /* Copyright (c) 1995 Vixie Enterprises
    2:  *
    3:  * Permission to use, copy, modify, and distribute this software for any
    4:  * purpose with or without fee is hereby granted, provided that the above
    5:  * copyright notice and this permission notice appear in all copies, and that
    6:  * the name of Vixie Enterprises not be used in advertising or publicity
    7:  * pertaining to distribution of the document or software without specific,
    8:  * written prior permission.
    9:  * 
   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND VIXIE ENTERPRISES DISCLAIMS ALL
   11:  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
   12:  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL VIXIE ENTERPRISES
   13:  * BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
   14:  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
   15:  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
   16:  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
   17:  * SOFTWARE.
   18:  */
   19: 
   20: #ifndef _I8253_DEFINED
   21: #define _I8253_DEFINED
   22: 
   23: typedef union {
   24: 	unsigned char	i;
   25: 	struct {
   26: 		unsigned int	bcd	: 1;
   27: #define				i8253_binary	0
   28: #define				i8253_bcd	1
   29: 		unsigned int	mode	: 3;
   30: #define				i8253_termcnt	0
   31: #define				i8253_oneshot	1
   32: #define				i8253_rategen	2
   33: #define				i8253_sqrwave	3
   34: #define				i8253_softstb	4
   35: #define				i8253_hardstb	5
   36: 		unsigned int	rl	: 2;
   37: #define				i8253_latch	0
   38: #define				i8253_lsb	1
   39: #define				i8253_msb	2
   40: #define				i8253_lmb	3
   41: 		unsigned int	cntr	: 2;
   42: #define				i8253_cntr_0	0
   43: #define				i8253_cntr_1	1
   44: #define				i8253_cntr_2	2
   45: 	} s;
   46: } i8253_ctrl;
   47: 
   48: #endif /*_I8253_DEFINED*/