d203a7eca8
Rewrite of the Indycam / VINO video v4l2 drivers for the SGI Indy. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Mikael Nousiainen <tmnousia@cc.hut.fi> Cc: <video4linux-list@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
/*
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* indycam.h - Silicon Graphics IndyCam digital camera driver
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*
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* Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
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* Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _INDYCAM_H_
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#define _INDYCAM_H_
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/* I2C address for the Guinness Camera */
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#define INDYCAM_ADDR 0x56
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/* Camera version */
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#define CAMERA_VERSION_INDY 0x10 /* v1.0 */
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#define CAMERA_VERSION_MOOSE 0x12 /* v1.2 */
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#define INDYCAM_VERSION_MAJOR(x) (((x) & 0xf0) >> 4)
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#define INDYCAM_VERSION_MINOR(x) ((x) & 0x0f)
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/* Register bus addresses */
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#define INDYCAM_CONTROL 0x00
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#define INDYCAM_SHUTTER 0x01
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#define INDYCAM_GAIN 0x02
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#define INDYCAM_BRIGHTNESS 0x03 /* read-only */
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#define INDYCAM_RED_BALANCE 0x04
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#define INDYCAM_BLUE_BALANCE 0x05
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#define INDYCAM_RED_SATURATION 0x06
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#define INDYCAM_BLUE_SATURATION 0x07
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#define INDYCAM_GAMMA 0x08
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#define INDYCAM_VERSION 0x0e /* read-only */
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#define INDYCAM_RESET 0x0f /* write-only */
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#define INDYCAM_LED 0x46
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#define INDYCAM_ORIENTATION 0x47
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#define INDYCAM_BUTTON 0x48
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/* Field definitions of registers */
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#define INDYCAM_CONTROL_AGCENA (1<<0) /* automatic gain control */
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#define INDYCAM_CONTROL_AWBCTL (1<<1) /* automatic white balance */
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/* 2-3 are reserved */
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#define INDYCAM_CONTROL_EVNFLD (1<<4) /* read-only */
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#define INDYCAM_SHUTTER_10000 0x02 /* 1/10000 second */
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#define INDYCAM_SHUTTER_4000 0x04 /* 1/4000 second */
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#define INDYCAM_SHUTTER_2000 0x08 /* 1/2000 second */
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#define INDYCAM_SHUTTER_1000 0x10 /* 1/1000 second */
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#define INDYCAM_SHUTTER_500 0x20 /* 1/500 second */
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#define INDYCAM_SHUTTER_250 0x3f /* 1/250 second */
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#define INDYCAM_SHUTTER_125 0x7e /* 1/125 second */
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#define INDYCAM_SHUTTER_100 0x9e /* 1/100 second */
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#define INDYCAM_SHUTTER_60 0x00 /* 1/60 second */
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#define INDYCAM_LED_ACTIVE 0x10
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#define INDYCAM_LED_INACTIVE 0x30
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#define INDYCAM_ORIENTATION_BOTTOM_TO_TOP 0x40
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#define INDYCAM_BUTTON_RELEASED 0x10
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#define INDYCAM_SHUTTER_MIN 0x00
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#define INDYCAM_SHUTTER_MAX 0xff
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#define INDYCAM_GAIN_MIN 0x00
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#define INDYCAM_GAIN_MAX 0xff
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#define INDYCAM_RED_BALANCE_MIN 0x00 /* the effect is the opposite? */
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#define INDYCAM_RED_BALANCE_MAX 0xff
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#define INDYCAM_BLUE_BALANCE_MIN 0x00 /* the effect is the opposite? */
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#define INDYCAM_BLUE_BALANCE_MAX 0xff
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#define INDYCAM_RED_SATURATION_MIN 0x00
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#define INDYCAM_RED_SATURATION_MAX 0xff
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#define INDYCAM_BLUE_SATURATION_MIN 0x00
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#define INDYCAM_BLUE_SATURATION_MAX 0xff
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#define INDYCAM_GAMMA_MIN 0x00
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#define INDYCAM_GAMMA_MAX 0xff
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/* Driver interface definitions */
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#define INDYCAM_VALUE_ENABLED 1
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#define INDYCAM_VALUE_DISABLED 0
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#define INDYCAM_VALUE_UNCHANGED -1
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/* When setting controls, a value of -1 leaves the control unchanged. */
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struct indycam_control {
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int agc; /* boolean */
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int awb; /* boolean */
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int shutter;
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int gain;
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int red_balance;
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int blue_balance;
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int red_saturation;
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int blue_saturation;
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int gamma;
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};
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#define DECODER_INDYCAM_GET_CONTROLS _IOR('d', 193, struct indycam_control)
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#define DECODER_INDYCAM_SET_CONTROLS _IOW('d', 194, struct indycam_control)
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/* Default values for controls */
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#define INDYCAM_AGC_DEFAULT INDYCAM_VALUE_ENABLED
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#define INDYCAM_AWB_DEFAULT INDYCAM_VALUE_ENABLED
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#define INDYCAM_SHUTTER_DEFAULT INDYCAM_SHUTTER_60
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#define INDYCAM_GAIN_DEFAULT 0x80
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#define INDYCAM_RED_BALANCE_DEFAULT 0x18
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#define INDYCAM_BLUE_BALANCE_DEFAULT 0xa4
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#define INDYCAM_RED_SATURATION_DEFAULT 0x80
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#define INDYCAM_BLUE_SATURATION_DEFAULT 0xc0
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#define INDYCAM_GAMMA_DEFAULT 0x80
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#endif
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