1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Driver for the ov7660 sensor
4  *
5  * Copyright (C) 2009 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_OV7660_H_
16 #define M5602_OV7660_H_
17 
18 #include "m5602_sensor.h"
19 
20 #define OV7660_GAIN		0x00
21 #define OV7660_BLUE_GAIN	0x01
22 #define OV7660_RED_GAIN		0x02
23 #define OV7660_VREF		0x03
24 #define OV7660_COM1		0x04
25 #define OV7660_BAVE		0x05
26 #define OV7660_GEAVE		0x06
27 #define OV7660_AECHH		0x07
28 #define OV7660_RAVE		0x08
29 #define OV7660_COM2		0x09
30 #define OV7660_PID		0x0a
31 #define OV7660_VER		0x0b
32 #define OV7660_COM3		0x0c
33 #define OV7660_COM4		0x0d
34 #define OV7660_COM5		0x0e
35 #define OV7660_COM6		0x0f
36 #define OV7660_AECH		0x10
37 #define OV7660_CLKRC		0x11
38 #define OV7660_COM7		0x12
39 #define OV7660_COM8		0x13
40 #define OV7660_COM9		0x14
41 #define OV7660_COM10		0x15
42 #define OV7660_RSVD16		0x16
43 #define OV7660_HSTART		0x17
44 #define OV7660_HSTOP		0x18
45 #define OV7660_VSTART		0x19
46 #define OV7660_VSTOP		0x1a
47 #define OV7660_PSHFT		0x1b
48 #define OV7660_MIDH		0x1c
49 #define OV7660_MIDL		0x1d
50 #define OV7660_MVFP		0x1e
51 #define OV7660_LAEC		0x1f
52 #define OV7660_BOS		0x20
53 #define OV7660_GBOS		0x21
54 #define OV7660_GROS		0x22
55 #define OV7660_ROS		0x23
56 #define OV7660_AEW		0x24
57 #define OV7660_AEB		0x25
58 #define OV7660_VPT		0x26
59 #define OV7660_BBIAS		0x27
60 #define OV7660_GbBIAS		0x28
61 #define OV7660_RSVD29		0x29
62 #define OV7660_RBIAS		0x2c
63 #define OV7660_HREF		0x32
64 #define OV7660_ADC		0x37
65 #define OV7660_OFON		0x39
66 #define OV7660_TSLB		0x3a
67 #define OV7660_COM12		0x3c
68 #define OV7660_COM13		0x3d
69 #define OV7660_LCC1		0x62
70 #define OV7660_LCC2		0x63
71 #define OV7660_LCC3		0x64
72 #define OV7660_LCC4		0x65
73 #define OV7660_LCC5		0x66
74 #define OV7660_HV		0x69
75 #define OV7660_RSVDA1		0xa1
76 
77 #define OV7660_DEFAULT_GAIN		0x0e
78 #define OV7660_DEFAULT_RED_GAIN		0x80
79 #define OV7660_DEFAULT_BLUE_GAIN	0x80
80 #define OV7660_DEFAULT_SATURATION	0x00
81 #define OV7660_DEFAULT_EXPOSURE		0x20
82 
83 /* Kernel module parameters */
84 extern int force_sensor;
85 extern bool dump_sensor;
86 
87 int ov7660_probe(struct sd *sd);
88 int ov7660_init(struct sd *sd);
89 int ov7660_init(struct sd *sd);
90 int ov7660_init_controls(struct sd *sd);
91 int ov7660_start(struct sd *sd);
92 int ov7660_stop(struct sd *sd);
93 void ov7660_disconnect(struct sd *sd);
94 
95 static const struct m5602_sensor ov7660 = {
96 	.name = "ov7660",
97 	.i2c_slave_id = 0x42,
98 	.i2c_regW = 1,
99 	.probe = ov7660_probe,
100 	.init = ov7660_init,
101 	.init_controls = ov7660_init_controls,
102 	.start = ov7660_start,
103 	.stop = ov7660_stop,
104 	.disconnect = ov7660_disconnect,
105 };
106 #endif
107