1 .. SPDX-License-Identifier: GPL-2.0
2
3 .. include:: <isonum.txt>
4
5 OMAP 3 Image Signal Processor (ISP) driver
6 ==========================================
7
8 Copyright |copy| 2010 Nokia Corporation
9
10 Copyright |copy| 2009 Texas Instruments, Inc.
11
12 Contacts: Laurent Pinchart <laurent.pinchart@id
13 Sakari Ailus <sakari.ailus@iki.fi>, David Cohen
14
15
16 Introduction
17 ------------
18
19 This file documents the Texas Instruments OMAP
20 driver located under drivers/media/platform/ti
21 written by Texas Instruments but since that it
22 Nokia.
23
24 The driver has been successfully used on the f
25
26 - 3430
27 - 3530
28 - 3630
29
30 The driver implements V4L2, Media controller a
31 Sensor, lens and flash drivers using the v4l2_
32 are supported.
33
34
35 Split to subdevs
36 ----------------
37
38 The OMAP 3 ISP is split into V4L2 subdevs, eac
39 having one subdev to represent it. Each of the
40 interface to userspace.
41
42 - OMAP3 ISP CCP2
43 - OMAP3 ISP CSI2a
44 - OMAP3 ISP CCDC
45 - OMAP3 ISP preview
46 - OMAP3 ISP resizer
47 - OMAP3 ISP AEWB
48 - OMAP3 ISP AF
49 - OMAP3 ISP histogram
50
51 Each possible link in the ISP is modelled by a
52 interface. For an example program see [#]_.
53
54
55 Controlling the OMAP 3 ISP
56 --------------------------
57
58 In general, the settings given to the OMAP 3 I
59 of the following frame. This is done when the
60 vertical blanking period on the sensor. In mem
61 is run one frame at a time. Applying the setti
62
63 All the blocks in the ISP, excluding the CSI-2
64 insist on receiving complete frames. Sensors m
65 partial frames.
66
67 Autoidle does have issues with some ISP blocks
68 Autoidle is only enabled on 3630 when the omap
69 is non-zero.
70
71 Technical reference manuals (TRMs) and other d
72 ----------------------------------------------
73
74 OMAP 3430 TRM:
75 <URL:http://focus.ti.com/pdfs/wtbu/OMAP34xx_ES
76 Referenced 2011-03-05.
77
78 OMAP 35xx TRM:
79 <URL:http://www.ti.com/litv/pdf/spruf98o> Refe
80
81 OMAP 3630 TRM:
82 <URL:http://focus.ti.com/pdfs/wtbu/OMAP36xx_ES
83 Referenced 2011-03-05.
84
85 DM 3730 TRM:
86 <URL:http://www.ti.com/litv/pdf/sprugn4h> Refe
87
88
89 References
90 ----------
91
92 .. [#] http://git.ideasonboard.org/?p=media-ct
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