1/* 2 * indycam.h - Silicon Graphics IndyCam digital camera driver 3 * 4 * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org> 5 * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12#ifndef _INDYCAM_H_ 13#define _INDYCAM_H_ 14 15/* I2C address for the Guinness Camera */ 16#define INDYCAM_ADDR 0x56 17 18/* Camera version */ 19#define CAMERA_VERSION_INDY 0x10 /* v1.0 */ 20#define CAMERA_VERSION_MOOSE 0x12 /* v1.2 */ 21#define INDYCAM_VERSION_MAJOR(x) (((x) & 0xf0) >> 4) 22#define INDYCAM_VERSION_MINOR(x) ((x) & 0x0f) 23 24/* Register bus addresses */ 25#define INDYCAM_REG_CONTROL 0x00 26#define INDYCAM_REG_SHUTTER 0x01 27#define INDYCAM_REG_GAIN 0x02 28#define INDYCAM_REG_BRIGHTNESS 0x03 /* read-only */ 29#define INDYCAM_REG_RED_BALANCE 0x04 30#define INDYCAM_REG_BLUE_BALANCE 0x05 31#define INDYCAM_REG_RED_SATURATION 0x06 32#define INDYCAM_REG_BLUE_SATURATION 0x07 33#define INDYCAM_REG_GAMMA 0x08 34#define INDYCAM_REG_VERSION 0x0e /* read-only */ 35#define INDYCAM_REG_RESET 0x0f /* write-only */ 36 37#define INDYCAM_REG_LED 0x46 38#define INDYCAM_REG_ORIENTATION 0x47 39#define INDYCAM_REG_BUTTON 0x48 40 41/* Field definitions of registers */ 42#define INDYCAM_CONTROL_AGCENA (1<<0) /* automatic gain control */ 43#define INDYCAM_CONTROL_AWBCTL (1<<1) /* automatic white balance */ 44 /* 2-3 are reserved */ 45#define INDYCAM_CONTROL_EVNFLD (1<<4) /* read-only */ 46 47#define INDYCAM_SHUTTER_10000 0x02 /* 1/10000 second */ 48#define INDYCAM_SHUTTER_4000 0x04 /* 1/4000 second */ 49#define INDYCAM_SHUTTER_2000 0x08 /* 1/2000 second */ 50#define INDYCAM_SHUTTER_1000 0x10 /* 1/1000 second */ 51#define INDYCAM_SHUTTER_500 0x20 /* 1/500 second */ 52#define INDYCAM_SHUTTER_250 0x3f /* 1/250 second */ 53#define INDYCAM_SHUTTER_125 0x7e /* 1/125 second */ 54#define INDYCAM_SHUTTER_100 0x9e /* 1/100 second */ 55#define INDYCAM_SHUTTER_60 0x00 /* 1/60 second */ 56 57#define INDYCAM_LED_ACTIVE 0x10 58#define INDYCAM_LED_INACTIVE 0x30 59#define INDYCAM_ORIENTATION_BOTTOM_TO_TOP 0x40 60#define INDYCAM_BUTTON_RELEASED 0x10 61 62/* Values for controls */ 63#define INDYCAM_SHUTTER_MIN 0x00 64#define INDYCAM_SHUTTER_MAX 0xff 65#define INDYCAM_GAIN_MIN 0x00 66#define INDYCAM_GAIN_MAX 0xff 67#define INDYCAM_RED_BALANCE_MIN 0x00 68#define INDYCAM_RED_BALANCE_MAX 0xff 69#define INDYCAM_BLUE_BALANCE_MIN 0x00 70#define INDYCAM_BLUE_BALANCE_MAX 0xff 71#define INDYCAM_RED_SATURATION_MIN 0x00 72#define INDYCAM_RED_SATURATION_MAX 0xff 73#define INDYCAM_BLUE_SATURATION_MIN 0x00 74#define INDYCAM_BLUE_SATURATION_MAX 0xff 75#define INDYCAM_GAMMA_MIN 0x00 76#define INDYCAM_GAMMA_MAX 0xff 77 78#define INDYCAM_AGC_DEFAULT 1 79#define INDYCAM_AWB_DEFAULT 0 80#define INDYCAM_SHUTTER_DEFAULT 0xff 81#define INDYCAM_GAIN_DEFAULT 0x80 82#define INDYCAM_RED_BALANCE_DEFAULT 0x18 83#define INDYCAM_BLUE_BALANCE_DEFAULT 0xa4 84#define INDYCAM_RED_SATURATION_DEFAULT 0x80 85#define INDYCAM_BLUE_SATURATION_DEFAULT 0xc0 86#define INDYCAM_GAMMA_DEFAULT 0x80 87 88/* Driver interface definitions */ 89 90#define INDYCAM_CONTROL_AGC 0 /* boolean */ 91#define INDYCAM_CONTROL_AWB 1 /* boolean */ 92#define INDYCAM_CONTROL_SHUTTER 2 93#define INDYCAM_CONTROL_GAIN 3 94#define INDYCAM_CONTROL_RED_BALANCE 4 95#define INDYCAM_CONTROL_BLUE_BALANCE 5 96#define INDYCAM_CONTROL_RED_SATURATION 6 97#define INDYCAM_CONTROL_BLUE_SATURATION 7 98#define INDYCAM_CONTROL_GAMMA 8 99 100struct indycam_control { 101 u8 type; 102 s32 value; 103}; 104 105#define DECODER_INDYCAM_GET_CONTROL _IOR('d', 193, struct indycam_control) 106#define DECODER_INDYCAM_SET_CONTROL _IOW('d', 194, struct indycam_control) 107 108#endif 109