1 files changed, 49 insertions, 0 deletions

diff --git a/include/linux/i2c-algo-pcf.h b/include/linux/i2c-algo-pcf.h
new file mode 100644
index 000000000000..2a508562255f
--- /dev/null
+++ b/include/linux/i2c-algo-pcf.h
@@ -0,0 +1,49 @@
+/* ------------------------------------------------------------------------- */
+/* adap-pcf.h i2c driver algorithms for PCF8584 adapters                     */
+/* ------------------------------------------------------------------------- */
+/*   Copyright (C) 1995-97 Simon G. Vogl
+                   1998-99 Hans Berglund
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.                */
+/* ------------------------------------------------------------------------- */
+
+/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
+   Frodo Looijaard <frodol@dds.nl> */
+
+/* $Id: i2c-algo-pcf.h,v 1.8 2003/01/21 08:08:16 kmalkki Exp $ */
+
+#ifndef _LINUX_I2C_ALGO_PCF_H
+#define _LINUX_I2C_ALGO_PCF_H
+
+struct i2c_algo_pcf_data {
+        void *data;             /* private data for lolevel routines    */
+        void (*setpcf) (void *data, int ctl, int val);
+        int  (*getpcf) (void *data, int ctl);
+        int  (*getown) (void *data);
+        int  (*getclock) (void *data);
+        void (*waitforpin) (void);     
+
+        /* local settings */
+        int udelay;
+        int mdelay;
+        int timeout;
+};
+
+#define I2C_PCF_ADAP_MAX        16
+
+int i2c_pcf_add_bus(struct i2c_adapter *);
+int i2c_pcf_del_bus(struct i2c_adapter *);
+
+#endif /* _LINUX_I2C_ALGO_PCF_H */