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_RED_SATURATION		(V4L2_CID_PRIVATE_BASE + 0)
91 #define INDYCAM_CONTROL_BLUE_SATURATION		(V4L2_CID_PRIVATE_BASE + 1)
92 
93 #endif
94