1 /*	$OpenBSD: daadioio.h,v 1.3 2003/06/02 18:40:59 jason Exp $	*/
2 
3 /*
4  * Copyright (c) 2002 Jason L. Wright (jason@thought.net)
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /*
30  * ioctls and flags for DAADIO.
31  */
32 
33 struct daadio_pio {
34 	u_int8_t	dap_reg;
35 	u_int8_t	dap_val;
36 };
37 
38 struct daadio_adc {
39 	u_int8_t	dad_reg;
40 	u_int16_t	dad_val;
41 };
42 
43 struct daadio_dac {
44 	u_int8_t	dac_reg;
45 	u_int16_t	dac_val;
46 };
47 
48 #define	DIOGPIO		_IOWR('D', 0x01, struct daadio_pio) /* get pio val */
49 #define	DIOSPIO		 _IOW('D', 0x01, struct daadio_pio) /* set pio val */
50 #define	DIOGOPIO	_IOWR('D', 0x02, struct daadio_pio) /* get outp sts */
51 #define	DIOSOPIO	 _IOW('D', 0x02, struct daadio_pio) /* set to outp */
52 #define	DIOGADC		_IOWR('D', 0x03, struct daadio_adc) /* get adc val */
53 #define	DIOSDAC		 _IOW('D', 0x04, struct daadio_dac) /* set dac val */
54