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 1.2 1998/10/31 11:39:54 nsouch 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 * callback index 47 */ 48 #define SMB_REQUEST_BUS 0x1 49 #define SMB_RELEASE_BUS 0x2 50 51 /* 52 * SMB bus errors 53 */ 54 #define SMB_ENOERR 0x0 55 #define SMB_EBUSERR 0x1 56 #define SMB_ENOTSUPP 0x2 57 #define SMB_ENOACK 0x3 58 59 /* 60 * How Quick command is executed 61 */ 62 #define SMB_QWRITE 0x0 63 #define SMB_QREAD 0x1 64 65 /* 66 * ivars codes 67 */ 68 #define SMBUS_IVAR_ADDR 0x1 /* I2C address of the device */ 69 70 extern int smbus_request_bus(device_t, device_t, int); 71 extern int smbus_release_bus(device_t, device_t); 72 extern device_t smbus_alloc_bus(device_t); 73 74 extern void smbus_intr(device_t, u_char, char low, char high, int error); 75 76 extern u_char smbus_get_addr(device_t); 77 78 #define smbus_quick(bus,slave,how) \ 79 (SMBUS_QUICK(device_get_parent(bus), slave, how)) 80 #define smbus_sendb(bus,slave,byte) \ 81 (SMBUS_SENDB(device_get_parent(bus), slave, byte)) 82 #define smbus_recvb(bus,slave,byte) \ 83 (SMBUS_RECVB(device_get_parent(bus), slave, byte)) 84 #define smbus_writeb(bus,slave,cmd,byte) \ 85 (SMBUS_WRITEB(device_get_parent(bus), slave, cmd, byte)) 86 #define smbus_writew(bus,slave,cmd,word) \ 87 (SMBUS_WRITEW(device_get_parent(bus), slave, cmd, word)) 88 #define smbus_readb(bus,slave,cmd,byte) \ 89 (SMBUS_READB(device_get_parent(bus), slave, cmd, byte)) 90 #define smbus_readw(bus,slave,cmd,word) \ 91 (SMBUS_READW(device_get_parent(bus), slave, cmd, word)) 92 #define smbus_pcall(bus,slave,cmd,sdata,rdata) \ 93 (SMBUS_PCALL(device_get_parent(bus), slave, cmd, sdata, rdata)) 94 #define smbus_bwrite(bus,slave,cmd,count,buf) \ 95 (SMBUS_BWRITE(device_get_parent(bus), slave, cmd, count, buf)) 96 #define smbus_bread(bus,slave,cmd,count,buf) \ 97 (SMBUS_BREAD(device_get_parent(bus), slave, cmd, count, buf)) 98 99 #endif 100