Add usbvision driver

From: Mauro Carvalho Chehab <mchehab@infradead.org>

This patch adds usbvision into V4L/DVB HG tree.
Usbvision driver is a GPL driver, made by:
	Joerg Heckenbach <joerg@heckenbach-aw.de>
		and
	Dwaine Garden <DwaineGarden@rogers.com>

V4L2 migration made by:
	Thierry Merle <thierry.merle@free.fr>

Kconfig/Makefile scripts by:
	Mauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: Thierry Merle <thierry.merle@free.fr>
Signed-off-by: Dwaine Garden <dwainegarden@rogers.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 79 insertions, 0 deletions

diff --git a/linux/drivers/media/video/usbvision/usbvision-i2c.h b/linux/drivers/media/video/usbvision/usbvision-i2c.h
new file mode 100644
index 000000000..0ab951f85
--- /dev/null
+++ b/linux/drivers/media/video/usbvision/usbvision-i2c.h
@@ -0,0 +1,79 @@
+/* 
+ * 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;
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+static inline void *i2c_get_clientdata (struct i2c_client *dev)
+{
+	return dev->data;
+}
+
+static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
+{
+	dev->data = data;
+}
+
+static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
+{
+	return dev->data;
+}
+
+static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
+{
+	dev->data = data;
+}
+#endif
+
+#endif //I2C_ALGO_USB_H