xref: /linux/drivers/media/usb/gspca/stv06xx/stv06xx_sensor.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
3  *		      Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
4  * Copyright (c) 2002, 2003 Tuukka Toivonen
5  * Copyright (c) 2008 Erik Andrén
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  *
21  * P/N 861037:      Sensor HDCS1000        ASIC STV0600
22  * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
23  * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
24  * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
25  * P/N 861075-0040: Sensor HDCS1000        ASIC
26  * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
27  * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
28  */
29 
30 #ifndef STV06XX_SENSOR_H_
31 #define STV06XX_SENSOR_H_
32 
33 #include "stv06xx.h"
34 
35 #define IS_1020(sd)	((sd)->sensor == &stv06xx_sensor_hdcs1020)
36 
37 extern const struct stv06xx_sensor stv06xx_sensor_vv6410;
38 extern const struct stv06xx_sensor stv06xx_sensor_hdcs1x00;
39 extern const struct stv06xx_sensor stv06xx_sensor_hdcs1020;
40 extern const struct stv06xx_sensor stv06xx_sensor_pb0100;
41 extern const struct stv06xx_sensor stv06xx_sensor_st6422;
42 
43 struct stv06xx_sensor {
44 	/* Defines the name of a sensor */
45 	char name[32];
46 
47 	/* Sensor i2c address */
48 	u8 i2c_addr;
49 
50 	/* Flush value*/
51 	u8 i2c_flush;
52 
53 	/* length of an i2c word */
54 	u8 i2c_len;
55 
56 	/* Isoc packet size (per mode) */
57 	int min_packet_size[4];
58 	int max_packet_size[4];
59 
60 	/* Probes if the sensor is connected */
61 	int (*probe)(struct sd *sd);
62 
63 	/* Performs a initialization sequence */
64 	int (*init)(struct sd *sd);
65 
66 	/* Initializes the controls */
67 	int (*init_controls)(struct sd *sd);
68 
69 	/* Reads a sensor register */
70 	int (*read_sensor)(struct sd *sd, const u8 address,
71 	      u8 *i2c_data, const u8 len);
72 
73 	/* Writes to a sensor register */
74 	int (*write_sensor)(struct sd *sd, const u8 address,
75 	      u8 *i2c_data, const u8 len);
76 
77 	/* Instructs the sensor to start streaming */
78 	int (*start)(struct sd *sd);
79 
80 	/* Instructs the sensor to stop streaming */
81 	int (*stop)(struct sd *sd);
82 
83 	/* Instructs the sensor to dump all its contents */
84 	int (*dump)(struct sd *sd);
85 };
86 
87 #endif
88