xref: /linux/drivers/media/usb/gspca/m5602/m5602_sensor.h (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * USB Driver for ALi m5602 based webcams
4  *
5  * Copyright (C) 2008 Erik Andrén
6  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
7  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
8  *
9  * Portions of code to USB interface and ALi driver software,
10  * Copyright (c) 2006 Willem Duinker
11  * v4l2 interface modeled after the V4L2 driver
12  * for SN9C10x PC Camera Controllers
13  */
14 
15 #ifndef M5602_SENSOR_H_
16 #define M5602_SENSOR_H_
17 
18 #include "m5602_bridge.h"
19 
20 #define M5602_V4L2_CID_GREEN_BALANCE	(V4L2_CID_PRIVATE_BASE + 0)
21 #define M5602_V4L2_CID_NOISE_SUPPRESION	(V4L2_CID_PRIVATE_BASE + 1)
22 
23 /* Enumerates all supported sensors */
24 enum sensors {
25 	OV9650_SENSOR	= 1,
26 	S5K83A_SENSOR	= 2,
27 	S5K4AA_SENSOR	= 3,
28 	MT9M111_SENSOR	= 4,
29 	PO1030_SENSOR	= 5,
30 	OV7660_SENSOR   = 6,
31 };
32 
33 /* Enumerates all possible instruction types */
34 enum instruction {
35 	BRIDGE,
36 	SENSOR,
37 	SENSOR_LONG
38 };
39 
40 struct m5602_sensor {
41 	/* Defines the name of a sensor */
42 	char name[32];
43 
44 	/* What i2c address the sensor is connected to */
45 	u8 i2c_slave_id;
46 
47 	/* Width of each i2c register (in bytes) */
48 	u8 i2c_regW;
49 
50 	/* Probes if the sensor is connected */
51 	int (*probe)(struct sd *sd);
52 
53 	/* Performs a initialization sequence */
54 	int (*init)(struct sd *sd);
55 
56 	/* Controls initialization, maybe NULL */
57 	int (*init_controls)(struct sd *sd);
58 
59 	/* Executed when the camera starts to send data */
60 	int (*start)(struct sd *sd);
61 
62 	/* Executed when the camera ends to send data */
63 	int (*stop)(struct sd *sd);
64 
65 	/* Executed when the device is disconnected */
66 	void (*disconnect)(struct sd *sd);
67 };
68 
69 #endif
70