| /* |
| * 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_CONTROL 0x00 |
| #define INDYCAM_SHUTTER 0x01 |
| #define INDYCAM_GAIN 0x02 |
| #define INDYCAM_BRIGHTNESS 0x03 /* read-only */ |
| #define INDYCAM_RED_BALANCE 0x04 |
| #define INDYCAM_BLUE_BALANCE 0x05 |
| #define INDYCAM_RED_SATURATION 0x06 |
| #define INDYCAM_BLUE_SATURATION 0x07 |
| #define INDYCAM_GAMMA 0x08 |
| #define INDYCAM_VERSION 0x0e /* read-only */ |
| #define INDYCAM_RESET 0x0f /* write-only */ |
| |
| #define INDYCAM_LED 0x46 |
| #define INDYCAM_ORIENTATION 0x47 |
| #define INDYCAM_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 |
| |
| #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 /* the effect is the opposite? */ |
| #define INDYCAM_RED_BALANCE_MAX 0xff |
| #define INDYCAM_BLUE_BALANCE_MIN 0x00 /* the effect is the opposite? */ |
| #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 |
| |
| /* Driver interface definitions */ |
| |
| #define INDYCAM_VALUE_ENABLED 1 |
| #define INDYCAM_VALUE_DISABLED 0 |
| #define INDYCAM_VALUE_UNCHANGED -1 |
| |
| /* When setting controls, a value of -1 leaves the control unchanged. */ |
| struct indycam_control { |
| int agc; /* boolean */ |
| int awb; /* boolean */ |
| int shutter; |
| int gain; |
| int red_balance; |
| int blue_balance; |
| int red_saturation; |
| int blue_saturation; |
| int gamma; |
| }; |
| |
| #define DECODER_INDYCAM_GET_CONTROLS _IOR('d', 193, struct indycam_control) |
| #define DECODER_INDYCAM_SET_CONTROLS _IOW('d', 194, struct indycam_control) |
| |
| /* Default values for controls */ |
| |
| #define INDYCAM_AGC_DEFAULT INDYCAM_VALUE_ENABLED |
| #define INDYCAM_AWB_DEFAULT INDYCAM_VALUE_ENABLED |
| |
| #define INDYCAM_SHUTTER_DEFAULT INDYCAM_SHUTTER_60 |
| #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 |
| |
| #endif |
