|  | /* | 
|  | *  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 |