Subversion Repositories test_project

/*

 *  indycam.h - Silicon Graphics IndyCam digital camera driver

 *

 *  Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>

 *  Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi>

 *

 *  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_AGC                     0        /* boolean */

#define INDYCAM_CONTROL_AWB                     1       /* boolean */

#define INDYCAM_CONTROL_SHUTTER                 2

#define INDYCAM_CONTROL_GAIN                    3

#define INDYCAM_CONTROL_RED_BALANCE             4

#define INDYCAM_CONTROL_BLUE_BALANCE            5

#define INDYCAM_CONTROL_RED_SATURATION          6

#define INDYCAM_CONTROL_BLUE_SATURATION         7

#define INDYCAM_CONTROL_GAMMA                   8

struct indycam_control {

        u8 type;

        s32 value;

};

#define DECODER_INDYCAM_GET_CONTROL     _IOR('d', 193, struct indycam_control)

#define DECODER_INDYCAM_SET_CONTROL     _IOW('d', 194, struct indycam_control)

#endif