Add Nokia CBUS support

[linux-2.6-omap-h63xx.git] / drivers / cbus / cbus.h

diff --git a/drivers/cbus/cbus.h b/drivers/cbus/cbus.h
new file mode 100644 (file)
index 0000000..957224c
--- /dev/null
+++ b/drivers/cbus/cbus.h
@@ -0,0 +1,36 @@
+/*
+ * drivers/cbus/cbus.h
+ *
+ * Copyright (C) 2004, 2005 Nokia Corporation
+ *
+ * Written by Juha Yrjölä <juha.yrjola@nokia.com> and
+ *           David Weinehall <david.weinehall@nokia.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __DRIVERS_CBUS_CBUS_H
+#define __DRIVERS_CBUS_CBUS_H
+
+struct cbus_host {
+       int clk_gpio, dat_gpio, sel_gpio;
+        spinlock_t lock;
+};
+
+extern struct cbus_host *cbus_host;
+
+extern int cbus_read_reg(struct cbus_host *host, int dev, int reg);
+extern int cbus_write_reg(struct cbus_host *host, int dev, int reg, u16 val);
+
+#endif /* __DRIVERS_CBUS_CBUS_H */