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author | nsouch <nsouch@FreeBSD.org> | 1998-09-03 20:52:54 +0000 |
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committer | nsouch <nsouch@FreeBSD.org> | 1998-09-03 20:52:54 +0000 |
commit | ec25a2ed532b9e9fe85267477d05fffd7f42ef7e (patch) | |
tree | fef034097a685262a4c155c7d9952c55949fa22f /sys/dev/smbus/smbconf.h | |
parent | 165178e4262e62b57512165963e7c081da08cf8b (diff) | |
download | FreeBSD-src-ec25a2ed532b9e9fe85267477d05fffd7f42ef7e.zip FreeBSD-src-ec25a2ed532b9e9fe85267477d05fffd7f42ef7e.tar.gz |
Submitted by: nsouch
System Management Bus generic support over new bus architecture.
Diffstat (limited to 'sys/dev/smbus/smbconf.h')
-rw-r--r-- | sys/dev/smbus/smbconf.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/sys/dev/smbus/smbconf.h b/sys/dev/smbus/smbconf.h new file mode 100644 index 0000000..10fc3bc --- /dev/null +++ b/sys/dev/smbus/smbconf.h @@ -0,0 +1,91 @@ +/*- + * Copyright (c) 1998 Nicolas Souchu + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id: smbconf.h,v 1.1.1.2 1998/08/13 15:16:58 son Exp $ + */ +#ifndef __SMBONF_H +#define __SMBONF_H + +#include <sys/queue.h> + +#define SMBPRI PZERO+8 /* XXX sleep/wakeup queue priority */ + +#define n(flags) (~(flags) & (flags)) + +/* + * How tsleep() is called in smb_request_bus(). + */ +#define SMB_DONTWAIT 0 +#define SMB_NOINTR 0 +#define SMB_WAIT 0x1 +#define SMB_INTR 0x2 + +/* + * SMB bus errors + */ +#define SMB_ENOERR 0x0 +#define SMB_EBUSERR 0x1 + +/* + * How Quick command is executed + */ +#define SMB_QWRITE 0x0 +#define SMB_QREAD 0x1 + +/* + * ivars codes + */ +#define SMBUS_IVAR_ADDR 0x1 /* I2C address of the device */ + +extern int smbus_request_bus(device_t, device_t, int); +extern int smbus_release_bus(device_t, device_t); +extern device_t smbus_alloc_bus(device_t); + +extern void smbus_intr(device_t, u_char, char low, char high, int error); + +extern u_char smbus_get_addr(device_t); + +#define smbus_quick(bus,slave,how) \ + (SMBUS_QUICK(device_get_parent(bus), slave, how)) +#define smbus_sendb(bus,slave,byte) \ + (SMBUS_SENDB(device_get_parent(bus), slave, byte)) +#define smbus_recvb(bus,slave,byte) \ + (SMBUS_RECVB(device_get_parent(bus), slave, byte)) +#define smbus_writeb(bus,slave,cmd,byte) \ + (SMBUS_WRITEB(device_get_parent(bus), slave, cmd, byte)) +#define smbus_writew(bus,slave,cmd,word) \ + (SMBUS_WRITEW(device_get_parent(bus), slave, cmd, word)) +#define smbus_readb(bus,slave,cmd,byte) \ + (SMBUS_READB(device_get_parent(bus), slave, cmd, byte)) +#define smbus_readw(bus,slave,cmd,word) \ + (SMBUS_READW(device_get_parent(bus), slave, cmd, word)) +#define smbus_pcall(bus,slave,cmd,sdata,rdata) \ + (SMBUS_PCALL(device_get_parent(bus), slave, cmd, sdata, rdata)) +#define smbus_bwrite(bus,slave,cmd,count,buf) \ + (SMBUS_BWRITE(device_get_parent(bus), slave, cmd, count, buf)) +#define smbus_bread(bus,slave,cmd,count,buf) \ + (SMBUS_BREAD(device_get_parent(bus), slave, cmd, count, buf)) + +#endif |