59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
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/*
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* I2C_ALGO_USB.H
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* i2c algorithm for USB-I2C Bridges
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*
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* Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
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*
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* This module is part of usbvision driver project.
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* Updates to driver completed by Dwaine P. Garden
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef I2C_ALGO_USB_H
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#define I2C_ALGO_USB_H 1
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#include <linux/i2c.h>
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struct i2c_algo_usb_data {
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void *data; /* private data for lowlevel routines */
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int (*inb) (void *data, unsigned char addr, char *buf, short len);
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int (*outb) (void *data, unsigned char addr, char *buf, short len);
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/* local settings */
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int udelay;
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int mdelay;
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int timeout;
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};
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#define I2C_USB_ADAP_MAX 16
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int usbvision_i2c_usb_add_bus(struct i2c_adapter *);
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int usbvision_i2c_usb_del_bus(struct i2c_adapter *);
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static inline void *i2c_get_algo_usb_data (struct i2c_algo_usb_data *dev)
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{
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return dev->data;
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}
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static inline void i2c_set_algo_usb_data (struct i2c_algo_usb_data *dev, void *data)
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{
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dev->data = data;
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}
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#endif //I2C_ALGO_USB_H
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