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