forked from Minki/linux
117 lines
4.5 KiB
C
117 lines
4.5 KiB
C
/***************************************************************************
|
|
* API for image sensors connected to ET61X[12]51 PC Camera Controllers *
|
|
* *
|
|
* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
|
|
* *
|
|
* 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 _ET61X251_SENSOR_H_
|
|
#define _ET61X251_SENSOR_H_
|
|
|
|
#include <linux/usb.h>
|
|
#include <linux/videodev.h>
|
|
#include <linux/device.h>
|
|
#include <linux/stddef.h>
|
|
#include <linux/errno.h>
|
|
#include <asm/types.h>
|
|
|
|
struct et61x251_device;
|
|
struct et61x251_sensor;
|
|
|
|
/*****************************************************************************/
|
|
|
|
extern int et61x251_probe_tas5130d1b(struct et61x251_device* cam);
|
|
|
|
#define ET61X251_SENSOR_TABLE \
|
|
/* Weak detections must go at the end of the list */ \
|
|
static int (*et61x251_sensor_table[])(struct et61x251_device*) = { \
|
|
&et61x251_probe_tas5130d1b, \
|
|
NULL, \
|
|
};
|
|
|
|
extern struct et61x251_device*
|
|
et61x251_match_id(struct et61x251_device* cam, const struct usb_device_id *id);
|
|
|
|
extern void
|
|
et61x251_attach_sensor(struct et61x251_device* cam,
|
|
struct et61x251_sensor* sensor);
|
|
|
|
/*****************************************************************************/
|
|
|
|
extern int et61x251_write_reg(struct et61x251_device*, u8 value, u16 index);
|
|
extern int et61x251_read_reg(struct et61x251_device*, u16 index);
|
|
extern int et61x251_i2c_write(struct et61x251_device*, u8 address, u8 value);
|
|
extern int et61x251_i2c_read(struct et61x251_device*, u8 address);
|
|
extern int et61x251_i2c_try_write(struct et61x251_device*,
|
|
struct et61x251_sensor*, u8 address,
|
|
u8 value);
|
|
extern int et61x251_i2c_try_read(struct et61x251_device*,
|
|
struct et61x251_sensor*, u8 address);
|
|
extern int et61x251_i2c_raw_write(struct et61x251_device*, u8 n, u8 data1,
|
|
u8 data2, u8 data3, u8 data4, u8 data5,
|
|
u8 data6, u8 data7, u8 data8, u8 address);
|
|
|
|
/*****************************************************************************/
|
|
|
|
enum et61x251_i2c_sysfs_ops {
|
|
ET61X251_I2C_READ = 0x01,
|
|
ET61X251_I2C_WRITE = 0x02,
|
|
};
|
|
|
|
enum et61x251_i2c_interface {
|
|
ET61X251_I2C_2WIRES,
|
|
ET61X251_I2C_3WIRES,
|
|
};
|
|
|
|
/* Repeat start condition when RSTA is high */
|
|
enum et61x251_i2c_rsta {
|
|
ET61X251_I2C_RSTA_STOP = 0x00, /* stop then start */
|
|
ET61X251_I2C_RSTA_REPEAT = 0x01, /* repeat start */
|
|
};
|
|
|
|
#define ET61X251_MAX_CTRLS V4L2_CID_LASTP1-V4L2_CID_BASE+10
|
|
|
|
struct et61x251_sensor {
|
|
char name[32];
|
|
|
|
enum et61x251_i2c_sysfs_ops sysfs_ops;
|
|
|
|
enum et61x251_i2c_interface interface;
|
|
u8 i2c_slave_id;
|
|
enum et61x251_i2c_rsta rsta;
|
|
struct v4l2_rect active_pixel; /* left and top define FVSX and FVSY */
|
|
|
|
struct v4l2_queryctrl qctrl[ET61X251_MAX_CTRLS];
|
|
struct v4l2_cropcap cropcap;
|
|
struct v4l2_pix_format pix_format;
|
|
|
|
int (*init)(struct et61x251_device* cam);
|
|
int (*get_ctrl)(struct et61x251_device* cam,
|
|
struct v4l2_control* ctrl);
|
|
int (*set_ctrl)(struct et61x251_device* cam,
|
|
const struct v4l2_control* ctrl);
|
|
int (*set_crop)(struct et61x251_device* cam,
|
|
const struct v4l2_rect* rect);
|
|
int (*set_pix_format)(struct et61x251_device* cam,
|
|
const struct v4l2_pix_format* pix);
|
|
|
|
/* Private */
|
|
struct v4l2_queryctrl _qctrl[ET61X251_MAX_CTRLS];
|
|
struct v4l2_rect _rect;
|
|
};
|
|
|
|
#endif /* _ET61X251_SENSOR_H_ */
|