tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* OmniVision* camera chip driver API
2 *
3 * Copyright (c) 1999-2004 Mark McClelland
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. NO WARRANTY OF ANY KIND is expressed or implied.
9 *
10 * * OmniVision is a trademark of OmniVision Technologies, Inc. This driver
11 * is not sponsored or developed by them.
12 */
13
14#ifndef __LINUX_OVCAMCHIP_H
15#define __LINUX_OVCAMCHIP_H
16
17#include <linux/videodev.h>
18#include <linux/i2c.h>
19
20/* Remove these once they are officially defined */
21#ifndef I2C_DRIVERID_OVCAMCHIP
22 #define I2C_DRIVERID_OVCAMCHIP 0xf00f
23#endif
24#ifndef I2C_HW_SMBUS_OV511
25 #define I2C_HW_SMBUS_OV511 0xfe
26#endif
27#ifndef I2C_HW_SMBUS_OV518
28 #define I2C_HW_SMBUS_OV518 0xff
29#endif
30#ifndef I2C_HW_SMBUS_OVFX2
31 #define I2C_HW_SMBUS_OVFX2 0xfd
32#endif
33
34/* --------------------------------- */
35/* ENUMERATIONS */
36/* --------------------------------- */
37
38/* Controls */
39enum {
40 OVCAMCHIP_CID_CONT, /* Contrast */
41 OVCAMCHIP_CID_BRIGHT, /* Brightness */
42 OVCAMCHIP_CID_SAT, /* Saturation */
43 OVCAMCHIP_CID_HUE, /* Hue */
44 OVCAMCHIP_CID_EXP, /* Exposure */
45 OVCAMCHIP_CID_FREQ, /* Light frequency */
46 OVCAMCHIP_CID_BANDFILT, /* Banding filter */
47 OVCAMCHIP_CID_AUTOBRIGHT, /* Auto brightness */
48 OVCAMCHIP_CID_AUTOEXP, /* Auto exposure */
49 OVCAMCHIP_CID_BACKLIGHT, /* Back light compensation */
50 OVCAMCHIP_CID_MIRROR, /* Mirror horizontally */
51};
52
53/* Chip types */
54#define NUM_CC_TYPES 9
55enum {
56 CC_UNKNOWN,
57 CC_OV76BE,
58 CC_OV7610,
59 CC_OV7620,
60 CC_OV7620AE,
61 CC_OV6620,
62 CC_OV6630,
63 CC_OV6630AE,
64 CC_OV6630AF,
65};
66
67/* --------------------------------- */
68/* I2C ADDRESSES */
69/* --------------------------------- */
70
71#define OV7xx0_SID (0x42 >> 1)
72#define OV6xx0_SID (0xC0 >> 1)
73
74/* --------------------------------- */
75/* API */
76/* --------------------------------- */
77
78struct ovcamchip_control {
79 __u32 id;
80 __s32 value;
81};
82
83struct ovcamchip_window {
84 int x;
85 int y;
86 int width;
87 int height;
88 int format;
89 int quarter; /* Scale width and height down 2x */
90
91 /* This stuff will be removed eventually */
92 int clockdiv; /* Clock divisor setting */
93};
94
95/* Commands */
96#define OVCAMCHIP_CMD_Q_SUBTYPE _IOR (0x88, 0x00, int)
97#define OVCAMCHIP_CMD_INITIALIZE _IOW (0x88, 0x01, int)
98/* You must call OVCAMCHIP_CMD_INITIALIZE before any of commands below! */
99#define OVCAMCHIP_CMD_S_CTRL _IOW (0x88, 0x02, struct ovcamchip_control)
100#define OVCAMCHIP_CMD_G_CTRL _IOWR (0x88, 0x03, struct ovcamchip_control)
101#define OVCAMCHIP_CMD_S_MODE _IOW (0x88, 0x04, struct ovcamchip_window)
102#define OVCAMCHIP_MAX_CMD _IO (0x88, 0x3f)
103
104#endif