ov9640.h

Go to the documentation of this file.

/*
 * OmniVision OV96xx Camera Header File
 *
 * Copyright (C) 2009 Marek Vasut <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __DRIVERS_MEDIA_VIDEO_OV9640_H__
#define __DRIVERS_MEDIA_VIDEO_OV9640_H__

/* Register definitions */
#define OV9640_GAIN 0x00
#define OV9640_BLUE 0x01
#define OV9640_RED  0x02
#define OV9640_VFER 0x03
#define OV9640_COM1 0x04
#define OV9640_BAVE 0x05
#define OV9640_GEAVE    0x06
#define OV9640_RSID 0x07
#define OV9640_RAVE 0x08
#define OV9640_COM2 0x09
#define OV9640_PID  0x0a
#define OV9640_VER  0x0b
#define OV9640_COM3 0x0c
#define OV9640_COM4 0x0d
#define OV9640_COM5 0x0e
#define OV9640_COM6 0x0f
#define OV9640_AECH 0x10
#define OV9640_CLKRC    0x11
#define OV9640_COM7 0x12
#define OV9640_COM8 0x13
#define OV9640_COM9 0x14
#define OV9640_COM10    0x15
/* 0x16 - RESERVED */
#define OV9640_HSTART   0x17
#define OV9640_HSTOP    0x18
#define OV9640_VSTART   0x19
#define OV9640_VSTOP    0x1a
#define OV9640_PSHFT    0x1b
#define OV9640_MIDH 0x1c
#define OV9640_MIDL 0x1d
#define OV9640_MVFP 0x1e
#define OV9640_LAEC 0x1f
#define OV9640_BOS  0x20
#define OV9640_GBOS 0x21
#define OV9640_GROS 0x22
#define OV9640_ROS  0x23
#define OV9640_AEW  0x24
#define OV9640_AEB  0x25
#define OV9640_VPT  0x26
#define OV9640_BBIAS    0x27
#define OV9640_GBBIAS   0x28
/* 0x29 - RESERVED */
#define OV9640_EXHCH    0x2a
#define OV9640_EXHCL    0x2b
#define OV9640_RBIAS    0x2c
#define OV9640_ADVFL    0x2d
#define OV9640_ADVFH    0x2e
#define OV9640_YAVE 0x2f
#define OV9640_HSYST    0x30
#define OV9640_HSYEN    0x31
#define OV9640_HREF 0x32
#define OV9640_CHLF 0x33
#define OV9640_ARBLM    0x34
/* 0x35..0x36 - RESERVED */
#define OV9640_ADC  0x37
#define OV9640_ACOM 0x38
#define OV9640_OFON 0x39
#define OV9640_TSLB 0x3a
#define OV9640_COM11    0x3b
#define OV9640_COM12    0x3c
#define OV9640_COM13    0x3d
#define OV9640_COM14    0x3e
#define OV9640_EDGE 0x3f
#define OV9640_COM15    0x40
#define OV9640_COM16    0x41
#define OV9640_COM17    0x42
/* 0x43..0x4e - RESERVED */
#define OV9640_MTX1 0x4f
#define OV9640_MTX2 0x50
#define OV9640_MTX3 0x51
#define OV9640_MTX4 0x52
#define OV9640_MTX5 0x53
#define OV9640_MTX6 0x54
#define OV9640_MTX7 0x55
#define OV9640_MTX8 0x56
#define OV9640_MTX9 0x57
#define OV9640_MTXS 0x58
/* 0x59..0x61 - RESERVED */
#define OV9640_LCC1 0x62
#define OV9640_LCC2 0x63
#define OV9640_LCC3 0x64
#define OV9640_LCC4 0x65
#define OV9640_LCC5 0x66
#define OV9640_MANU 0x67
#define OV9640_MANV 0x68
#define OV9640_HV   0x69
#define OV9640_MBD  0x6a
#define OV9640_DBLV 0x6b
#define OV9640_GSP  0x6c    /* ... till 0x7b */
#define OV9640_GST  0x7c    /* ... till 0x8a */

#define OV9640_CLKRC_DPLL_EN    0x80
#define OV9640_CLKRC_DIRECT 0x40
#define OV9640_CLKRC_DIV(x) ((x) & 0x3f)

#define OV9640_PSHFT_VAL(x) ((x) & 0xff)

#define OV9640_ACOM_2X_ANALOG   0x80
#define OV9640_ACOM_RSVD    0x12

#define OV9640_MVFP_V       0x10
#define OV9640_MVFP_H       0x20

#define OV9640_COM1_HREF_NOSKIP 0x00
#define OV9640_COM1_HREF_2SKIP  0x04
#define OV9640_COM1_HREF_3SKIP  0x08
#define OV9640_COM1_QQFMT   0x20

#define OV9640_COM2_SSM     0x10

#define OV9640_COM3_VP      0x04

#define OV9640_COM4_QQ_VP   0x80
#define OV9640_COM4_RSVD    0x40

#define OV9640_COM5_SYSCLK  0x80
#define OV9640_COM5_LONGEXP 0x01

#define OV9640_COM6_OPT_BLC 0x40
#define OV9640_COM6_ADBLC_BIAS  0x08
#define OV9640_COM6_FMT_RST 0x82
#define OV9640_COM6_ADBLC_OPTEN 0x01

#define OV9640_COM7_RAW_RGB 0x01
#define OV9640_COM7_RGB     0x04
#define OV9640_COM7_QCIF    0x08
#define OV9640_COM7_QVGA    0x10
#define OV9640_COM7_CIF     0x20
#define OV9640_COM7_VGA     0x40
#define OV9640_COM7_SCCB_RESET  0x80

#define OV9640_TSLB_YVYU_YUYV   0x04
#define OV9640_TSLB_YUYV_UYVY   0x08

#define OV9640_COM12_YUV_AVG    0x04
#define OV9640_COM12_RSVD   0x40

#define OV9640_COM13_GAMMA_NONE 0x00
#define OV9640_COM13_GAMMA_Y    0x40
#define OV9640_COM13_GAMMA_RAW  0x80
#define OV9640_COM13_RGB_AVG    0x20
#define OV9640_COM13_MATRIX_EN  0x10
#define OV9640_COM13_Y_DELAY_EN 0x08
#define OV9640_COM13_YUV_DLY(x) ((x) & 0x07)

#define OV9640_COM15_OR_00FF    0x00
#define OV9640_COM15_OR_01FE    0x40
#define OV9640_COM15_OR_10F0    0xc0
#define OV9640_COM15_RGB_NORM   0x00
#define OV9640_COM15_RGB_565    0x10
#define OV9640_COM15_RGB_555    0x30

#define OV9640_COM16_RB_AVG 0x01

/* IDs */
#define OV9640_V2       0x9648
#define OV9640_V3       0x9649
#define VERSION(pid, ver)   (((pid) << 8) | ((ver) & 0xFF))

/* supported resolutions */
enum {
    W_QQCIF = 88,
    W_QQVGA = 160,
    W_QCIF  = 176,
    W_QVGA  = 320,
    W_CIF   = 352,
    W_VGA   = 640,
    W_SXGA  = 1280
};
#define H_SXGA  960

/* Misc. structures */
struct ov9640_reg_alt {
    u8  com7;
    u8  com12;
    u8  com13;
    u8  com15;
};

struct ov9640_reg {
    u8  reg;
    u8  val;
};

struct ov9640_priv {
    struct v4l2_subdev      subdev;
    struct v4l2_ctrl_handler    hdl;

    int             model;
    int             revision;
};

#endif  /* __DRIVERS_MEDIA_VIDEO_OV9640_H__ */