2 * v4l2-i2c-drv.h - contains I2C handling code that's identical for
3 * all V4L2 I2C drivers. Use this header if the
4 * I2C driver is only used by drivers converted
5 * to the bus-based I2C API.
7 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 struct v4l2_i2c_driver_data
{
25 const char * const name
;
27 int (*command
)(struct i2c_client
*client
, unsigned int cmd
, void *arg
);
28 int (*probe
)(struct i2c_client
*client
);
29 int (*remove
)(struct i2c_client
*client
);
30 int (*suspend
)(struct i2c_client
*client
, pm_message_t state
);
31 int (*resume
)(struct i2c_client
*client
);
32 int (*legacy_probe
)(struct i2c_adapter
*adapter
);
36 static struct v4l2_i2c_driver_data v4l2_i2c_data
;
37 static struct i2c_client_address_data addr_data
;
38 static struct i2c_driver v4l2_i2c_driver
;
41 /* Bus-based I2C implementation for kernels >= 2.6.22 */
43 static int __init
v4l2_i2c_drv_init(void)
45 v4l2_i2c_driver
.driver
.name
= v4l2_i2c_data
.name
;
46 v4l2_i2c_driver
.id
= v4l2_i2c_data
.driverid
;
47 v4l2_i2c_driver
.command
= v4l2_i2c_data
.command
;
48 v4l2_i2c_driver
.probe
= v4l2_i2c_data
.probe
;
49 v4l2_i2c_driver
.remove
= v4l2_i2c_data
.remove
;
50 v4l2_i2c_driver
.suspend
= v4l2_i2c_data
.suspend
;
51 v4l2_i2c_driver
.resume
= v4l2_i2c_data
.resume
;
52 return i2c_add_driver(&v4l2_i2c_driver
);
56 static void __exit
v4l2_i2c_drv_cleanup(void)
58 i2c_del_driver(&v4l2_i2c_driver
);
61 module_init(v4l2_i2c_drv_init
);
62 module_exit(v4l2_i2c_drv_cleanup
);