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Diffstat (limited to 'drivers/media/video/usbvision/usbvision-i2c.h')
-rw-r--r--drivers/media/video/usbvision/usbvision-i2c.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/media/video/usbvision/usbvision-i2c.h b/drivers/media/video/usbvision/usbvision-i2c.h
new file mode 100644
index 00000000000..a2df8dbdac5
--- /dev/null
+++ b/drivers/media/video/usbvision/usbvision-i2c.h
@@ -0,0 +1,58 @@
+/*
+ * I2C_ALGO_USB.H
+ * i2c algorithm for USB-I2C Bridges
+ *
+ * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
+ *
+ * This module is part of usbvision driver project.
+ * Updates to driver completed by Dwaine P. Garden
+ *
+ * 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.
+ */
+
+
+#ifndef I2C_ALGO_USB_H
+#define I2C_ALGO_USB_H 1
+
+#include <linux/i2c.h>
+
+struct i2c_algo_usb_data {
+ void *data; /* private data for lowlevel routines */
+ int (*inb) (void *data, unsigned char addr, char *buf, short len);
+ int (*outb) (void *data, unsigned char addr, char *buf, short len);
+
+ /* local settings */
+ int udelay;
+ int mdelay;
+ int timeout;
+};
+
+#define I2C_USB_ADAP_MAX 16
+
+int usbvision_i2c_usb_add_bus(struct i2c_adapter *);
+int usbvision_i2c_usb_del_bus(struct i2c_adapter *);
+
+static inline void *i2c_get_algo_usb_data (struct i2c_algo_usb_data *dev)
+{
+ return dev->data;
+}
+
+static inline void i2c_set_algo_usb_data (struct i2c_algo_usb_data *dev, void *data)
+{
+ dev->data = data;
+}
+
+
+#endif //I2C_ALGO_USB_H