/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Driver for the ov7660 sensor
 *
 * Copyright (C) 2009 Erik Andrén
 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
 *
 * Portions of code to USB interface and ALi driver software,
 * Copyright (c) 2006 Willem Duinker
 * v4l2 interface modeled after the V4L2 driver
 * for SN9C10x PC Camera Controllers
 */

#ifndef M5602_OV7660_H_
#define M5602_OV7660_H_

#include "m5602_sensor.h"

#define OV7660_GAIN             0x00
#define OV7660_BLUE_GAIN        0x01
#define OV7660_RED_GAIN         0x02
#define OV7660_VREF             0x03
#define OV7660_COM1             0x04
#define OV7660_BAVE             0x05
#define OV7660_GEAVE            0x06
#define OV7660_AECHH            0x07
#define OV7660_RAVE             0x08
#define OV7660_COM2             0x09
#define OV7660_PID              0x0a
#define OV7660_VER              0x0b
#define OV7660_COM3             0x0c
#define OV7660_COM4             0x0d
#define OV7660_COM5             0x0e
#define OV7660_COM6             0x0f
#define OV7660_AECH             0x10
#define OV7660_CLKRC            0x11
#define OV7660_COM7             0x12
#define OV7660_COM8             0x13
#define OV7660_COM9             0x14
#define OV7660_COM10            0x15
#define OV7660_RSVD16           0x16
#define OV7660_HSTART           0x17
#define OV7660_HSTOP            0x18
#define OV7660_VSTART           0x19
#define OV7660_VSTOP            0x1a
#define OV7660_PSHFT            0x1b
#define OV7660_MIDH             0x1c
#define OV7660_MIDL             0x1d
#define OV7660_MVFP             0x1e
#define OV7660_LAEC             0x1f
#define OV7660_BOS              0x20
#define OV7660_GBOS             0x21
#define OV7660_GROS             0x22
#define OV7660_ROS              0x23
#define OV7660_AEW              0x24
#define OV7660_AEB              0x25
#define OV7660_VPT              0x26
#define OV7660_BBIAS            0x27
#define OV7660_GbBIAS           0x28
#define OV7660_RSVD29           0x29
#define OV7660_RBIAS            0x2c
#define OV7660_HREF             0x32
#define OV7660_ADC              0x37
#define OV7660_OFON             0x39
#define OV7660_TSLB             0x3a
#define OV7660_COM12            0x3c
#define OV7660_COM13            0x3d
#define OV7660_LCC1             0x62
#define OV7660_LCC2             0x63
#define OV7660_LCC3             0x64
#define OV7660_LCC4             0x65
#define OV7660_LCC5             0x66
#define OV7660_HV               0x69
#define OV7660_RSVDA1           0xa1

#define OV7660_DEFAULT_GAIN             0x0e
#define OV7660_DEFAULT_RED_GAIN         0x80
#define OV7660_DEFAULT_BLUE_GAIN        0x80
#define OV7660_DEFAULT_SATURATION       0x00
#define OV7660_DEFAULT_EXPOSURE         0x20

/* Kernel module parameters */
extern int force_sensor;
extern bool dump_sensor;

int ov7660_probe(struct sd *sd);
int ov7660_init(struct sd *sd);
int ov7660_init_controls(struct sd *sd);
int ov7660_start(struct sd *sd);
int ov7660_stop(struct sd *sd);
void ov7660_disconnect(struct sd *sd);

static const struct m5602_sensor ov7660 = {
        .name = "ov7660",
        .i2c_slave_id = 0x42,
        .i2c_regW = 1,
        .probe = ov7660_probe,
        .init = ov7660_init,
        .init_controls = ov7660_init_controls,
        .start = ov7660_start,
        .stop = ov7660_stop,
        .disconnect = ov7660_disconnect,
};
#endif