blob: bc61ab27779d8843ad2170e6ea1cddf68a50d324 [file] [log] [blame]
Hans Verkuil8ffbc652007-09-12 08:32:50 -03001/*
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.
6 *
7 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
8 *
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.
13 *
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.
18 *
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.
22 */
23
24struct v4l2_i2c_driver_data {
25 const char * const name;
26 int driverid;
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);
Hans Verkuil88307eb2007-09-14 04:49:16 -030032 int (*legacy_probe)(struct i2c_adapter *adapter);
Hans Verkuil8ffbc652007-09-12 08:32:50 -030033 int legacy_class;
34};
35
36static struct v4l2_i2c_driver_data v4l2_i2c_data;
37static struct i2c_client_address_data addr_data;
38static struct i2c_driver v4l2_i2c_driver;
39
40
41/* Bus-based I2C implementation for kernels >= 2.6.22 */
42
43static int __init v4l2_i2c_drv_init(void)
44{
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);
53}
54
55
56static void __exit v4l2_i2c_drv_cleanup(void)
57{
58 i2c_del_driver(&v4l2_i2c_driver);
59}
60
61module_init(v4l2_i2c_drv_init);
62module_exit(v4l2_i2c_drv_cleanup);