xref: /onnv-gate/usr/src/uts/sun4u/sys/i2c/clients/ics951601.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1999-2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_ICS951601_H
28*0Sstevel@tonic-gate #define	_ICS951601_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate  * Header file for ICS951601, a general purpose PCI clock generator
38*0Sstevel@tonic-gate  * and an I2C client.
39*0Sstevel@tonic-gate  */
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate /*
42*0Sstevel@tonic-gate  * Clock numbers needed by the driver to uniquely identify a clock.
43*0Sstevel@tonic-gate  */
44*0Sstevel@tonic-gate #define	ICS951601_PCI2B_2	0x580
45*0Sstevel@tonic-gate #define	ICS951601_PCI2B_1	0x540
46*0Sstevel@tonic-gate #define	ICS951601_PCI2B_0	0x520
47*0Sstevel@tonic-gate #define	ICS951601_PCI2A_2	0x480
48*0Sstevel@tonic-gate #define	ICS951601_PCI2A_1	0x440
49*0Sstevel@tonic-gate #define	ICS951601_PCI2A_0	0x420
50*0Sstevel@tonic-gate #define	ICS951601_PCI1B_2	0x410
51*0Sstevel@tonic-gate #define	ICS951601_PCI1B_1	0x408
52*0Sstevel@tonic-gate #define	ICS951601_PCI1B_0	0x404
53*0Sstevel@tonic-gate #define	ICS951601_PCI1A_7	0x380
54*0Sstevel@tonic-gate #define	ICS951601_PCI1A_6	0x340
55*0Sstevel@tonic-gate #define	ICS951601_PCI1A_5	0x320
56*0Sstevel@tonic-gate #define	ICS951601_PCI1A_4	0x310
57*0Sstevel@tonic-gate #define	ICS951601_PCI1A_3	0x308
58*0Sstevel@tonic-gate #define	ICS951601_PCI1A_2	0x304
59*0Sstevel@tonic-gate #define	ICS951601_PCI1A_1	0x302
60*0Sstevel@tonic-gate #define	ICS951601_PCI1A_0	0x301
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate /*
63*0Sstevel@tonic-gate  * The actions which are supported for a given clock.
64*0Sstevel@tonic-gate  */
65*0Sstevel@tonic-gate #define	ICS951601_READ_CLOCK		0x1000
66*0Sstevel@tonic-gate #define	ICS951601_MODIFY_CLOCK		0x2000
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate /*
69*0Sstevel@tonic-gate  * The possible values for any clock
70*0Sstevel@tonic-gate  */
71*0Sstevel@tonic-gate #define	ICS951601_CLOCK_SET	1
72*0Sstevel@tonic-gate #define	ICS951601_CLOCK_CLEAR	0
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /*
75*0Sstevel@tonic-gate  * Open and close system calls.
76*0Sstevel@tonic-gate  *
77*0Sstevel@tonic-gate  *	0 on success
78*0Sstevel@tonic-gate  *	-1 on error, errno is set:
79*0Sstevel@tonic-gate  *	ENXIO	- Device not found or not available
80*0Sstevel@tonic-gate  *	EBUSY	- The channel is in use by another
81*0Sstevel@tonic-gate  *	EPERM	- Permission denied - not super user
82*0Sstevel@tonic-gate  */
83*0Sstevel@tonic-gate #ifdef	__cplusplus
84*0Sstevel@tonic-gate }
85*0Sstevel@tonic-gate #endif
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate #endif	/* _ICS951601_H */
88