mirror of https://gitee.com/openkylin/linux.git
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*
|
|
* v4l2-i2c-drv.h - contains I2C handling code that's identical for
|
|
* all V4L2 I2C drivers. Use this header if the
|
|
* I2C driver is only used by drivers converted
|
|
* to the bus-based I2C API.
|
|
*
|
|
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
|
|
*
|
|
* 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 __V4L2_I2C_DRV_H__
|
|
#define __V4L2_I2C_DRV_H__
|
|
|
|
#include <media/v4l2-common.h>
|
|
|
|
struct v4l2_i2c_driver_data {
|
|
const char * const name;
|
|
int driverid;
|
|
int (*command)(struct i2c_client *client, unsigned int cmd, void *arg);
|
|
int (*probe)(struct i2c_client *client, const struct i2c_device_id *id);
|
|
int (*remove)(struct i2c_client *client);
|
|
int (*suspend)(struct i2c_client *client, pm_message_t state);
|
|
int (*resume)(struct i2c_client *client);
|
|
int (*legacy_probe)(struct i2c_adapter *adapter);
|
|
int legacy_class;
|
|
};
|
|
|
|
static struct v4l2_i2c_driver_data v4l2_i2c_data;
|
|
static struct i2c_driver v4l2_i2c_driver;
|
|
|
|
|
|
/* Bus-based I2C implementation for kernels >= 2.6.22 */
|
|
|
|
static int __init v4l2_i2c_drv_init(void)
|
|
{
|
|
v4l2_i2c_driver.driver.name = v4l2_i2c_data.name;
|
|
v4l2_i2c_driver.id = v4l2_i2c_data.driverid;
|
|
v4l2_i2c_driver.command = v4l2_i2c_data.command;
|
|
v4l2_i2c_driver.probe = v4l2_i2c_data.probe;
|
|
v4l2_i2c_driver.remove = v4l2_i2c_data.remove;
|
|
v4l2_i2c_driver.suspend = v4l2_i2c_data.suspend;
|
|
v4l2_i2c_driver.resume = v4l2_i2c_data.resume;
|
|
return i2c_add_driver(&v4l2_i2c_driver);
|
|
}
|
|
|
|
|
|
static void __exit v4l2_i2c_drv_cleanup(void)
|
|
{
|
|
i2c_del_driver(&v4l2_i2c_driver);
|
|
}
|
|
|
|
module_init(v4l2_i2c_drv_init);
|
|
module_exit(v4l2_i2c_drv_cleanup);
|
|
|
|
#endif /* __V4L2_I2C_DRV_H__ */
|