1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1998 Nicolas Souchu 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #ifndef __DEV_SMBUS_SMBCONF_H 29 #define __DEV_SMBUS_SMBCONF_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 /* Order constants for smbus children. */ 38 #define SMBUS_ORDER_HINTED 20 39 #define SMBUS_ORDER_PNP 40 40 41 /* 42 * How tsleep() is called in smb_request_bus(). 43 */ 44 #define SMB_DONTWAIT 0 45 #define SMB_NOINTR 0 46 #define SMB_WAIT 0x1 47 #define SMB_INTR 0x2 48 49 /* 50 * callback index 51 */ 52 #define SMB_REQUEST_BUS 0x1 53 #define SMB_RELEASE_BUS 0x2 54 55 /* 56 * SMB bus errors 57 */ 58 #define SMB_ENOERR 0x0 59 #define SMB_EBUSERR 0x1 60 #define SMB_ENOTSUPP 0x2 61 #define SMB_ENOACK 0x4 62 #define SMB_ECOLLI 0x8 63 #define SMB_EABORT 0x10 64 #define SMB_ETIMEOUT 0x20 65 #define SMB_EBUSY 0x40 66 #define SMB_EINVAL 0x100 67 68 /* 69 * How Quick command is executed 70 */ 71 #define SMB_QWRITE 0x0 72 #define SMB_QREAD 0x1 73 74 /* 75 * ivars codes 76 */ 77 enum smbus_ivars { 78 SMBUS_IVAR_ADDR, /* slave address of the device */ 79 }; 80 81 int smbus_request_bus(device_t, device_t, int); 82 int smbus_release_bus(device_t, device_t); 83 device_t smbus_alloc_bus(device_t); 84 int smbus_error(int error); 85 86 void smbus_intr(device_t, u_char, char low, char high, int error); 87 88 #define SMBUS_ACCESSOR(var, ivar, type) \ 89 __BUS_ACCESSOR(smbus, var, SMBUS, ivar, type) 90 91 SMBUS_ACCESSOR(addr, ADDR, int) 92 93 #undef SMBUS_ACCESSOR 94 95 extern driver_t smbus_driver; 96 97 #define smbus_quick(bus,slave,how) \ 98 (SMBUS_QUICK(device_get_parent(bus), slave, how)) 99 #define smbus_sendb(bus,slave,byte) \ 100 (SMBUS_SENDB(device_get_parent(bus), slave, byte)) 101 #define smbus_recvb(bus,slave,byte) \ 102 (SMBUS_RECVB(device_get_parent(bus), slave, byte)) 103 #define smbus_writeb(bus,slave,cmd,byte) \ 104 (SMBUS_WRITEB(device_get_parent(bus), slave, cmd, byte)) 105 #define smbus_writew(bus,slave,cmd,word) \ 106 (SMBUS_WRITEW(device_get_parent(bus), slave, cmd, word)) 107 #define smbus_readb(bus,slave,cmd,byte) \ 108 (SMBUS_READB(device_get_parent(bus), slave, cmd, byte)) 109 #define smbus_readw(bus,slave,cmd,word) \ 110 (SMBUS_READW(device_get_parent(bus), slave, cmd, word)) 111 #define smbus_pcall(bus,slave,cmd,sdata,rdata) \ 112 (SMBUS_PCALL(device_get_parent(bus), slave, cmd, sdata, rdata)) 113 #define smbus_bwrite(bus,slave,cmd,count,buf) \ 114 (SMBUS_BWRITE(device_get_parent(bus), slave, cmd, count, buf)) 115 #define smbus_bread(bus,slave,cmd,count,buf) \ 116 (SMBUS_BREAD(device_get_parent(bus), slave, cmd, count, buf)) 117 #define smbus_trans(bus,slave,cmd,op,wbuf,wcount,rbuf,rcount,actualp) \ 118 (SMBUS_TRANS(device_get_parent(bus), slave, cmd, op, \ 119 wbuf, wcount, rbuf, rcount, actualp)) 120 121 #define SMBUS_MODVER 1 122 #define SMBUS_MINVER 1 123 #define SMBUS_MAXVER 1 124 #define SMBUS_PREFVER SMBUS_MODVER 125 126 #endif /* __DEV_SMBUS_SMBCONF_H */ 127