smbconf.h revision 38776 
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 *	$Id: smbconf.h,v 1.1.1.2 1998/08/13 15:16:58 son Exp $
27 */
28#ifndef __SMBONF_H
29#define __SMBONF_H
30
31#include <sys/queue.h>
32
33#define SMBPRI PZERO+8			/* XXX sleep/wakeup queue priority */
34
35#define n(flags) (~(flags) & (flags))
36
37/*
38 * How tsleep() is called in smb_request_bus().
39 */
40#define SMB_DONTWAIT	0
41#define SMB_NOINTR	0
42#define SMB_WAIT	0x1
43#define SMB_INTR	0x2
44
45/*
46 * SMB bus errors
47 */
48#define SMB_ENOERR	0x0
49#define SMB_EBUSERR	0x1
50
51/*
52 * How Quick command is executed
53 */
54#define SMB_QWRITE	0x0
55#define SMB_QREAD	0x1
56
57/*
58 * ivars codes
59 */
60#define SMBUS_IVAR_ADDR	0x1	/* I2C address of the device */
61
62extern int smbus_request_bus(device_t, device_t, int);
63extern int smbus_release_bus(device_t, device_t);
64extern device_t smbus_alloc_bus(device_t);
65
66extern void smbus_intr(device_t, u_char, char low, char high, int error);
67
68extern u_char smbus_get_addr(device_t);
69
70#define smbus_quick(bus,slave,how) \
71	(SMBUS_QUICK(device_get_parent(bus), slave, how))
72#define smbus_sendb(bus,slave,byte) \
73	(SMBUS_SENDB(device_get_parent(bus), slave, byte))
74#define smbus_recvb(bus,slave,byte) \
75	(SMBUS_RECVB(device_get_parent(bus), slave, byte))
76#define smbus_writeb(bus,slave,cmd,byte) \
77	(SMBUS_WRITEB(device_get_parent(bus), slave, cmd, byte))
78#define smbus_writew(bus,slave,cmd,word) \
79	(SMBUS_WRITEW(device_get_parent(bus), slave, cmd, word))
80#define smbus_readb(bus,slave,cmd,byte) \
81	(SMBUS_READB(device_get_parent(bus), slave, cmd, byte))
82#define smbus_readw(bus,slave,cmd,word) \
83	(SMBUS_READW(device_get_parent(bus), slave, cmd, word))
84#define smbus_pcall(bus,slave,cmd,sdata,rdata) \
85	(SMBUS_PCALL(device_get_parent(bus), slave, cmd, sdata, rdata))
86#define smbus_bwrite(bus,slave,cmd,count,buf) \
87	(SMBUS_BWRITE(device_get_parent(bus), slave, cmd, count, buf))
88#define smbus_bread(bus,slave,cmd,count,buf) \
89	(SMBUS_BREAD(device_get_parent(bus), slave, cmd, count, buf))
90
91#endif
92