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- .. SPDX-License-Identifier: GPL-2.0
- OMAP4 ISS Driver
- ================
- Author: Sergio Aguirre <sergio.a.aguirre@gmail.com>
- Copyright (C) 2012, Texas Instruments
- Introduction
- ------------
- The OMAP44XX family of chips contains the Imaging SubSystem (a.k.a. ISS),
- Which contains several components that can be categorized in 3 big groups:
- - Interfaces (2 Interfaces: CSI2-A & CSI2-B/CCP2)
- - ISP (Image Signal Processor)
- - SIMCOP (Still Image Coprocessor)
- For more information, please look in [#f1]_ for latest version of:
- "OMAP4430 Multimedia Device Silicon Revision 2.x"
- As of Revision AB, the ISS is described in detail in section 8.
- This driver is supporting **only** the CSI2-A/B interfaces for now.
- It makes use of the Media Controller framework [#f2]_, and inherited most of the
- code from OMAP3 ISP driver (found under drivers/media/platform/ti/omap3isp/\*),
- except that it doesn't need an IOMMU now for ISS buffers memory mapping.
- Supports usage of MMAP buffers only (for now).
- Tested platforms
- ----------------
- - OMAP4430SDP, w/ ES2.1 GP & SEVM4430-CAM-V1-0 (Contains IMX060 & OV5640, in
- which only the last one is supported, outputting YUV422 frames).
- - TI Blaze MDP, w/ OMAP4430 ES2.2 EMU (Contains 1 IMX060 & 2 OV5650 sensors, in
- which only the OV5650 are supported, outputting RAW10 frames).
- - PandaBoard, Rev. A2, w/ OMAP4430 ES2.1 GP & OV adapter board, tested with
- following sensors:
- * OV5640
- * OV5650
- - Tested on mainline kernel:
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=summary
- Tag: v3.3 (commit c16fa4f2ad19908a47c63d8fa436a1178438c7e7)
- File list
- ---------
- drivers/staging/media/omap4iss/
- include/linux/platform_data/media/omap4iss.h
- References
- ----------
- .. [#f1] http://focus.ti.com/general/docs/wtbu/wtbudocumentcenter.tsp?navigationId=12037&templateId=6123#62
- .. [#f2] http://lwn.net/Articles/420485/
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