xref: /dragonfly/sys/bus/smbus/smbconf.h (revision 678e8cc6)
1 /*-
2  * Copyright (c) 1998 Nicolas Souchu
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sys/dev/smbus/smbconf.h,v 1.7.14.1 2006/09/22 19:19:16 jhb Exp $
27  * $DragonFly: src/sys/bus/smbus/smbconf.h,v 1.4 2003/11/14 21:46:18 daver Exp $
28  */
29 #ifndef __SMBONF_H
30 #define __SMBONF_H
31 
32 #include <sys/queue.h>
33 
34 #define SMBPRI (PZERO+8)		/* XXX sleep/wakeup queue priority */
35 
36 #define n(flags) (~(flags) & (flags))
37 
38 /*
39  * How tsleep() is called in smb_request_bus().
40  */
41 #define SMB_DONTWAIT	0
42 #define SMB_NOINTR	0
43 #define SMB_WAIT	0x1
44 #define SMB_INTR	0x2
45 
46 /*
47  * callback index
48  */
49 #define SMB_REQUEST_BUS	0x1
50 #define SMB_RELEASE_BUS	0x2
51 
52 /*
53  * SMB bus errors
54  */
55 #define SMB_ENOERR	0x0
56 #define SMB_EBUSERR	0x1
57 #define SMB_ENOTSUPP	0x2
58 #define SMB_ENOACK	0x4
59 #define SMB_ECOLLI	0x8
60 #define SMB_EABORT	0x10
61 #define SMB_ETIMEOUT	0x20
62 #define SMB_EBUSY	0x40
63 #define	SMB_EINVAL	0x100
64 
65 /*
66  * How Quick command is executed
67  */
68 #define SMB_QWRITE	0x0
69 #define SMB_QREAD	0x1
70 
71 /*
72  * ivars codes
73  */
74 #define SMBUS_IVAR_ADDR	0x1	/* slave address of the device */
75 
76 int	smbus_request_bus(device_t, device_t, int);
77 int	smbus_release_bus(device_t, device_t);
78 int	smbus_error(int error);
79 
80 void	smbus_intr(device_t, u_char, char low, char high, int error);
81 
82 u_char	smbus_get_addr(device_t);
83 
84 extern driver_t smbus_driver;
85 extern devclass_t smbus_devclass;
86 
87 #define smbus_quick(bus,slave,how) \
88 	(SMBUS_QUICK(device_get_parent(bus), slave, how))
89 #define smbus_sendb(bus,slave,byte) \
90 	(SMBUS_SENDB(device_get_parent(bus), slave, byte))
91 #define smbus_recvb(bus,slave,byte) \
92 	(SMBUS_RECVB(device_get_parent(bus), slave, byte))
93 #define smbus_writeb(bus,slave,cmd,byte) \
94 	(SMBUS_WRITEB(device_get_parent(bus), slave, cmd, byte))
95 #define smbus_writew(bus,slave,cmd,word) \
96 	(SMBUS_WRITEW(device_get_parent(bus), slave, cmd, word))
97 #define smbus_readb(bus,slave,cmd,byte) \
98 	(SMBUS_READB(device_get_parent(bus), slave, cmd, byte))
99 #define smbus_readw(bus,slave,cmd,word) \
100 	(SMBUS_READW(device_get_parent(bus), slave, cmd, word))
101 #define smbus_pcall(bus,slave,cmd,sdata,rdata) \
102 	(SMBUS_PCALL(device_get_parent(bus), slave, cmd, sdata, rdata))
103 #define smbus_bwrite(bus,slave,cmd,count,buf) \
104 	(SMBUS_BWRITE(device_get_parent(bus), slave, cmd, count, buf))
105 #define smbus_bread(bus,slave,cmd,count,buf) \
106 	(SMBUS_BREAD(device_get_parent(bus), slave, cmd, count, buf))
107 
108 #define SMBUS_MODVER	1
109 #define SMBUS_MINVER	1
110 #define SMBUS_MAXVER	1
111 #define SMBUS_PREFVER	SMBUS_MODVER
112 
113 #endif
114