Submitted by: nsouch

System Management Bus generic support over new bus architecture.

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