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Ralf Baechled203a7e2005-09-06 15:19:37 -07001/*
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 */
Ladislav Michla637a112005-09-01 15:07:34 +000025#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 */
Ralf Baechled203a7e2005-09-06 15:19:37 -070036
Ladislav Michla637a112005-09-01 15:07:34 +000037#define INDYCAM_REG_LED 0x46
38#define INDYCAM_REG_ORIENTATION 0x47
39#define INDYCAM_REG_BUTTON 0x48
Ralf Baechled203a7e2005-09-06 15:19:37 -070040
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
Ladislav Michla637a112005-09-01 15:07:34 +000062/* Values for controls */
Ralf Baechled203a7e2005-09-06 15:19:37 -070063#define INDYCAM_SHUTTER_MIN 0x00
64#define INDYCAM_SHUTTER_MAX 0xff
65#define INDYCAM_GAIN_MIN 0x00
66#define INDYCAM_GAIN_MAX 0xff
Ladislav Michla637a112005-09-01 15:07:34 +000067#define INDYCAM_RED_BALANCE_MIN 0x00
68#define INDYCAM_RED_BALANCE_MAX 0xff
69#define INDYCAM_BLUE_BALANCE_MIN 0x00
Ralf Baechled203a7e2005-09-06 15:19:37 -070070#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
Ladislav Michla637a112005-09-01 15:07:34 +000078#define INDYCAM_AGC_DEFAULT 1
79#define INDYCAM_AWB_DEFAULT 0
80#define INDYCAM_SHUTTER_DEFAULT 0xff
Ralf Baechled203a7e2005-09-06 15:19:37 -070081#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
Ladislav Michla637a112005-09-01 15:07:34 +000088/* 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
Ralf Baechled203a7e2005-09-06 15:19:37 -0700108#endif