indycam.h

Go to the documentation of this file.

/*
 *  indycam.h - Silicon Graphics IndyCam digital camera driver
 *
 *  Copyright (C) 2003 Ladislav Michl <[email protected]>
 *  Copyright (C) 2004,2005 Mikael Nousiainen <[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 _INDYCAM_H_
#define _INDYCAM_H_

/* I2C address for the Guinness Camera */
#define INDYCAM_ADDR            0x56

/* Camera version */
#define CAMERA_VERSION_INDY     0x10    /* v1.0 */
#define CAMERA_VERSION_MOOSE        0x12    /* v1.2 */
#define INDYCAM_VERSION_MAJOR(x)    (((x) & 0xf0) >> 4)
#define INDYCAM_VERSION_MINOR(x)    ((x) & 0x0f)

/* Register bus addresses */
#define INDYCAM_REG_CONTROL     0x00
#define INDYCAM_REG_SHUTTER     0x01
#define INDYCAM_REG_GAIN        0x02
#define INDYCAM_REG_BRIGHTNESS      0x03 /* read-only */
#define INDYCAM_REG_RED_BALANCE     0x04
#define INDYCAM_REG_BLUE_BALANCE    0x05
#define INDYCAM_REG_RED_SATURATION  0x06
#define INDYCAM_REG_BLUE_SATURATION 0x07
#define INDYCAM_REG_GAMMA       0x08
#define INDYCAM_REG_VERSION     0x0e /* read-only */
#define INDYCAM_REG_RESET       0x0f /* write-only */

#define INDYCAM_REG_LED         0x46
#define INDYCAM_REG_ORIENTATION     0x47
#define INDYCAM_REG_BUTTON      0x48

/* Field definitions of registers */
#define INDYCAM_CONTROL_AGCENA      (1<<0) /* automatic gain control */
#define INDYCAM_CONTROL_AWBCTL      (1<<1) /* automatic white balance */
                        /* 2-3 are reserved */
#define INDYCAM_CONTROL_EVNFLD      (1<<4)  /* read-only */

#define INDYCAM_SHUTTER_10000       0x02    /* 1/10000 second */
#define INDYCAM_SHUTTER_4000        0x04    /* 1/4000 second */
#define INDYCAM_SHUTTER_2000        0x08    /* 1/2000 second */
#define INDYCAM_SHUTTER_1000        0x10    /* 1/1000 second */
#define INDYCAM_SHUTTER_500     0x20    /* 1/500 second */
#define INDYCAM_SHUTTER_250     0x3f    /* 1/250 second */
#define INDYCAM_SHUTTER_125     0x7e    /* 1/125 second */
#define INDYCAM_SHUTTER_100     0x9e    /* 1/100 second */
#define INDYCAM_SHUTTER_60      0x00    /* 1/60 second */

#define INDYCAM_LED_ACTIVE          0x10
#define INDYCAM_LED_INACTIVE            0x30
#define INDYCAM_ORIENTATION_BOTTOM_TO_TOP   0x40
#define INDYCAM_BUTTON_RELEASED         0x10

/* Values for controls */
#define INDYCAM_SHUTTER_MIN     0x00
#define INDYCAM_SHUTTER_MAX     0xff
#define INDYCAM_GAIN_MIN                0x00
#define INDYCAM_GAIN_MAX                0xff
#define INDYCAM_RED_BALANCE_MIN     0x00
#define INDYCAM_RED_BALANCE_MAX     0xff
#define INDYCAM_BLUE_BALANCE_MIN        0x00
#define INDYCAM_BLUE_BALANCE_MAX        0xff
#define INDYCAM_RED_SATURATION_MIN      0x00
#define INDYCAM_RED_SATURATION_MAX      0xff
#define INDYCAM_BLUE_SATURATION_MIN 0x00
#define INDYCAM_BLUE_SATURATION_MAX 0xff
#define INDYCAM_GAMMA_MIN       0x00
#define INDYCAM_GAMMA_MAX       0xff

#define INDYCAM_AGC_DEFAULT     1
#define INDYCAM_AWB_DEFAULT     0
#define INDYCAM_SHUTTER_DEFAULT     0xff
#define INDYCAM_GAIN_DEFAULT        0x80
#define INDYCAM_RED_BALANCE_DEFAULT 0x18
#define INDYCAM_BLUE_BALANCE_DEFAULT    0xa4
#define INDYCAM_RED_SATURATION_DEFAULT  0x80
#define INDYCAM_BLUE_SATURATION_DEFAULT 0xc0
#define INDYCAM_GAMMA_DEFAULT       0x80

/* Driver interface definitions */

#define INDYCAM_CONTROL_RED_SATURATION      (V4L2_CID_PRIVATE_BASE + 0)
#define INDYCAM_CONTROL_BLUE_SATURATION     (V4L2_CID_PRIVATE_BASE + 1)

#endif