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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/media/video/gspca/stv06xx/stv06xx_sensor.h
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/*

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 * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher

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 *		      Mark Cave-Ayland, Carlo E Prelz, Dick Streefland

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 * Copyright (c) 2002, 2003 Tuukka Toivonen

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 * Copyright (c) 2008 Erik Andrén

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License as published by

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 * the Free Software Foundation; either version 2 of the License, or

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 * (at your option) any later version.

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 *

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 *

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 * You should have received a copy of the GNU General Public License

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 * along with this program; if not, write to the Free Software

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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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 *

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 * P/N 861037:      Sensor HDCS1000        ASIC STV0600

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 * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600

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 * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express

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 * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam

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 * P/N 861075-0040: Sensor HDCS1000        ASIC

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 * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB

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 * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web

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 */

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#ifndef STV06XX_SENSOR_H_

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#define STV06XX_SENSOR_H_

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#include "stv06xx.h"

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#define IS_1020(sd)	((sd)->sensor == &stv06xx_sensor_hdcs1020)

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extern const struct stv06xx_sensor stv06xx_sensor_vv6410;

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extern const struct stv06xx_sensor stv06xx_sensor_hdcs1x00;

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extern const struct stv06xx_sensor stv06xx_sensor_hdcs1020;

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extern const struct stv06xx_sensor stv06xx_sensor_pb0100;

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extern const struct stv06xx_sensor stv06xx_sensor_st6422;

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struct stv06xx_sensor {

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	/* Defines the name of a sensor */

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	char name[32];

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	/* Sensor i2c address */

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	u8 i2c_addr;

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	/* Flush value*/

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	u8 i2c_flush;

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	/* length of an i2c word */

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	u8 i2c_len;

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	/* Isoc packet size (per mode) */

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	int min_packet_size[4];

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	int max_packet_size[4];

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	/* Probes if the sensor is connected */

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	int (*probe)(struct sd *sd);

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	/* Performs a initialization sequence */

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	int (*init)(struct sd *sd);

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	/* Executed at device disconnect */

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	void (*disconnect)(struct sd *sd);

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	/* Reads a sensor register */

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	int (*read_sensor)(struct sd *sd, const u8 address,

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	      u8 *i2c_data, const u8 len);

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	/* Writes to a sensor register */

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	int (*write_sensor)(struct sd *sd, const u8 address,

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	      u8 *i2c_data, const u8 len);

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	/* Instructs the sensor to start streaming */

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	int (*start)(struct sd *sd);

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	/* Instructs the sensor to stop streaming */

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	int (*stop)(struct sd *sd);

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	/* Instructs the sensor to dump all its contents */

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	int (*dump)(struct sd *sd);

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};

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#endif

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