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8ffbc655 HV |
1 | /* |
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 | ||
8574ac69 MK |
24 | #ifndef __V4L2_I2C_DRV_H__ |
25 | #define __V4L2_I2C_DRV_H__ | |
26 | ||
27 | #include <media/v4l2-common.h> | |
28 | ||
8ffbc655 HV |
29 | struct v4l2_i2c_driver_data { |
30 | const char * const name; | |
31 | int driverid; | |
32 | int (*command)(struct i2c_client *client, unsigned int cmd, void *arg); | |
33 | int (*probe)(struct i2c_client *client); | |
34 | int (*remove)(struct i2c_client *client); | |
35 | int (*suspend)(struct i2c_client *client, pm_message_t state); | |
36 | int (*resume)(struct i2c_client *client); | |
88307eb3 | 37 | int (*legacy_probe)(struct i2c_adapter *adapter); |
8ffbc655 HV |
38 | int legacy_class; |
39 | }; | |
40 | ||
41 | static struct v4l2_i2c_driver_data v4l2_i2c_data; | |
8ffbc655 HV |
42 | static struct i2c_driver v4l2_i2c_driver; |
43 | ||
44 | ||
45 | /* Bus-based I2C implementation for kernels >= 2.6.22 */ | |
46 | ||
47 | static int __init v4l2_i2c_drv_init(void) | |
48 | { | |
49 | v4l2_i2c_driver.driver.name = v4l2_i2c_data.name; | |
50 | v4l2_i2c_driver.id = v4l2_i2c_data.driverid; | |
51 | v4l2_i2c_driver.command = v4l2_i2c_data.command; | |
52 | v4l2_i2c_driver.probe = v4l2_i2c_data.probe; | |
53 | v4l2_i2c_driver.remove = v4l2_i2c_data.remove; | |
54 | v4l2_i2c_driver.suspend = v4l2_i2c_data.suspend; | |
55 | v4l2_i2c_driver.resume = v4l2_i2c_data.resume; | |
56 | return i2c_add_driver(&v4l2_i2c_driver); | |
57 | } | |
58 | ||
59 | ||
60 | static void __exit v4l2_i2c_drv_cleanup(void) | |
61 | { | |
62 | i2c_del_driver(&v4l2_i2c_driver); | |
63 | } | |
64 | ||
65 | module_init(v4l2_i2c_drv_init); | |
66 | module_exit(v4l2_i2c_drv_cleanup); | |
8574ac69 MK |
67 | |
68 | #endif /* __V4L2_I2C_DRV_H__ */ |