linux_dsm_epyc7002/drivers/media/video/usbvision/usbvision-i2c.h
Mauro Carvalho Chehab 781aa1d1ab V4L/DVB (4922): Add usbvision driver
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: Joerg Heckenbach <joerg@heckenbach-aw.de>
Signed-off-by: Dwaine Garden <dwainegarden@rogers.com>
Signed-off-by: Thierry Merle <thierry.merle@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2006-12-10 09:05:39 -02:00

59 lines
1.6 KiB
C

/*
* 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