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 */
 84extern int force_sensor;
 85extern bool dump_sensor;
 86
 87int ov7660_probe(struct sd *sd);
 88int ov7660_init(struct sd *sd);
 89int ov7660_init_controls(struct sd *sd);
 90int ov7660_start(struct sd *sd);
 91int ov7660_stop(struct sd *sd);
 92void ov7660_disconnect(struct sd *sd);
 93
 94static const struct m5602_sensor ov7660 = {
 95	.name = "ov7660",
 96	.i2c_slave_id = 0x42,
 97	.i2c_regW = 1,
 98	.probe = ov7660_probe,
 99	.init = ov7660_init,
100	.init_controls = ov7660_init_controls,
101	.start = ov7660_start,
102	.stop = ov7660_stop,
103	.disconnect = ov7660_disconnect,
104};
105#endif