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-rw-r--r--drivers/media/video/indycam.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/media/video/indycam.h b/drivers/media/video/indycam.h
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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_CONTROL 0x00
26#define INDYCAM_SHUTTER 0x01
27#define INDYCAM_GAIN 0x02
28#define INDYCAM_BRIGHTNESS 0x03 /* read-only */
29#define INDYCAM_RED_BALANCE 0x04
30#define INDYCAM_BLUE_BALANCE 0x05
31#define INDYCAM_RED_SATURATION 0x06
32#define INDYCAM_BLUE_SATURATION 0x07
33#define INDYCAM_GAMMA 0x08
34#define INDYCAM_VERSION 0x0e /* read-only */
35#define INDYCAM_RESET 0x0f /* write-only */
36
37#define INDYCAM_LED 0x46
38#define INDYCAM_ORIENTATION 0x47
39#define INDYCAM_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#define INDYCAM_SHUTTER_MIN 0x00
63#define INDYCAM_SHUTTER_MAX 0xff
64#define INDYCAM_GAIN_MIN 0x00
65#define INDYCAM_GAIN_MAX 0xff
66#define INDYCAM_RED_BALANCE_MIN 0x00 /* the effect is the opposite? */
67#define INDYCAM_RED_BALANCE_MAX 0xff
68#define INDYCAM_BLUE_BALANCE_MIN 0x00 /* the effect is the opposite? */
69#define INDYCAM_BLUE_BALANCE_MAX 0xff
70#define INDYCAM_RED_SATURATION_MIN 0x00
71#define INDYCAM_RED_SATURATION_MAX 0xff
72#define INDYCAM_BLUE_SATURATION_MIN 0x00
73#define INDYCAM_BLUE_SATURATION_MAX 0xff
74#define INDYCAM_GAMMA_MIN 0x00
75#define INDYCAM_GAMMA_MAX 0xff
76
77/* Driver interface definitions */
78
79#define INDYCAM_VALUE_ENABLED 1
80#define INDYCAM_VALUE_DISABLED 0
81#define INDYCAM_VALUE_UNCHANGED -1
82
83/* When setting controls, a value of -1 leaves the control unchanged. */
84struct indycam_control {
85 int agc; /* boolean */
86 int awb; /* boolean */
87 int shutter;
88 int gain;
89 int red_balance;
90 int blue_balance;
91 int red_saturation;
92 int blue_saturation;
93 int gamma;
94};
95
96#define DECODER_INDYCAM_GET_CONTROLS _IOR('d', 193, struct indycam_control)
97#define DECODER_INDYCAM_SET_CONTROLS _IOW('d', 194, struct indycam_control)
98
99/* Default values for controls */
100
101#define INDYCAM_AGC_DEFAULT INDYCAM_VALUE_ENABLED
102#define INDYCAM_AWB_DEFAULT INDYCAM_VALUE_ENABLED
103
104#define INDYCAM_SHUTTER_DEFAULT INDYCAM_SHUTTER_60
105#define INDYCAM_GAIN_DEFAULT 0x80
106#define INDYCAM_RED_BALANCE_DEFAULT 0x18
107#define INDYCAM_BLUE_BALANCE_DEFAULT 0xa4
108#define INDYCAM_RED_SATURATION_DEFAULT 0x80
109#define INDYCAM_BLUE_SATURATION_DEFAULT 0xc0
110#define INDYCAM_GAMMA_DEFAULT 0x80
111
112#endif