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 1.6 1999/08/28 00:42:29 peter Exp $ 27 * $DragonFly: src/sys/bus/smbus/smbconf.h,v 1.2 2003/06/17 04:28:29 dillon 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 64 /* 65 * How Quick command is executed 66 */ 67 #define SMB_QWRITE 0x0 68 #define SMB_QREAD 0x1 69 70 /* 71 * ivars codes 72 */ 73 #define SMBUS_IVAR_ADDR 0x1 /* I2C address of the device */ 74 75 extern int smbus_request_bus(device_t, device_t, int); 76 extern int smbus_release_bus(device_t, device_t); 77 extern device_t smbus_alloc_bus(device_t); 78 extern int smbus_error(int error); 79 80 extern void smbus_intr(device_t, u_char, char low, char high, int error); 81 82 extern u_char smbus_get_addr(device_t); 83 84 #define smbus_quick(bus,slave,how) \ 85 (SMBUS_QUICK(device_get_parent(bus), slave, how)) 86 #define smbus_sendb(bus,slave,byte) \ 87 (SMBUS_SENDB(device_get_parent(bus), slave, byte)) 88 #define smbus_recvb(bus,slave,byte) \ 89 (SMBUS_RECVB(device_get_parent(bus), slave, byte)) 90 #define smbus_writeb(bus,slave,cmd,byte) \ 91 (SMBUS_WRITEB(device_get_parent(bus), slave, cmd, byte)) 92 #define smbus_writew(bus,slave,cmd,word) \ 93 (SMBUS_WRITEW(device_get_parent(bus), slave, cmd, word)) 94 #define smbus_readb(bus,slave,cmd,byte) \ 95 (SMBUS_READB(device_get_parent(bus), slave, cmd, byte)) 96 #define smbus_readw(bus,slave,cmd,word) \ 97 (SMBUS_READW(device_get_parent(bus), slave, cmd, word)) 98 #define smbus_pcall(bus,slave,cmd,sdata,rdata) \ 99 (SMBUS_PCALL(device_get_parent(bus), slave, cmd, sdata, rdata)) 100 #define smbus_bwrite(bus,slave,cmd,count,buf) \ 101 (SMBUS_BWRITE(device_get_parent(bus), slave, cmd, count, buf)) 102 #define smbus_bread(bus,slave,cmd,count,buf) \ 103 (SMBUS_BREAD(device_get_parent(bus), slave, cmd, count, buf)) 104 105 #endif 106