1 .. SPDX-License-Identifier: GPL-2.0 2 3 OMAP4 ISS Driver 4 ================ 5 6 Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> 7 8 Copyright (C) 2012, Texas Instruments 9 10 Introduction 11 ------------ 12 13 The OMAP44XX family of chips contains the Imaging SubSystem (a.k.a. ISS), 14 Which contains several components that can be categorized in 3 big groups: 15 16 - Interfaces (2 Interfaces: CSI2-A & CSI2-B/CCP2) 17 - ISP (Image Signal Processor) 18 - SIMCOP (Still Image Coprocessor) 19 20 For more information, please look in [#f1]_ for latest version of: 21 "OMAP4430 Multimedia Device Silicon Revision 2.x" 22 23 As of Revision AB, the ISS is described in detail in section 8. 24 25 This driver is supporting **only** the CSI2-A/B interfaces for now. 26 27 It makes use of the Media Controller framework [#f2]_, and inherited most of the 28 code from OMAP3 ISP driver (found under drivers/media/platform/ti/omap3isp/\*), 29 except that it doesn't need an IOMMU now for ISS buffers memory mapping. 30 31 Supports usage of MMAP buffers only (for now). 32 33 Tested platforms 34 ---------------- 35 36 - OMAP4430SDP, w/ ES2.1 GP & SEVM4430-CAM-V1-0 (Contains IMX060 & OV5640, in 37 which only the last one is supported, outputting YUV422 frames). 38 39 - TI Blaze MDP, w/ OMAP4430 ES2.2 EMU (Contains 1 IMX060 & 2 OV5650 sensors, in 40 which only the OV5650 are supported, outputting RAW10 frames). 41 42 - PandaBoard, Rev. A2, w/ OMAP4430 ES2.1 GP & OV adapter board, tested with 43 following sensors: 44 * OV5640 45 * OV5650 46 47 - Tested on mainline kernel: 48 49 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=summary 50 51 Tag: v3.3 (commit c16fa4f2ad19908a47c63d8fa436a1178438c7e7) 52 53 File list 54 --------- 55 drivers/staging/media/omap4iss/ 56 include/linux/platform_data/media/omap4iss.h 57 58 References 59 ---------- 60 61 .. [#f1] http://focus.ti.com/general/docs/wtbu/wtbudocumentcenter.tsp?navigationId=12037&templateId=6123#62 62 .. [#f2] http://lwn.net/Articles/420485/
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