diff options
Diffstat (limited to 'drivers/media/video/indycam.h')
| -rw-r--r-- | drivers/media/video/indycam.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/media/video/indycam.h b/drivers/media/video/indycam.h new file mode 100644 index 00000000000..d9ddb6b79a0 --- /dev/null +++ b/drivers/media/video/indycam.h @@ -0,0 +1,112 @@ +/* + * 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 |