How to drive a LCD on ARM based linux System

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12-18-2007

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How to drive a LCD on ARM based linux System

Hello sir,

I am Vijay Manohar. I am a writing a device driver for LCD frame buffer device. In this , LCD has been mapped at physical address 0x3000000. Now I want to implement mmap entry point. I have two questions regarding this

Can I use this physical address as one of the parameters to remap_pfn_range.

How to use DMA, in order to transfer data to the specified address. Firstly I it possible this sort of transfer.

Help is highly appreciated

,

Regards,
Vijay Manohar

VijayManohar

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cd-drive

CD-DRIVE(1)							   User Commands						       CD-DRIVE(1)

NAME

       cd-drive - manual page for cd-drive version 0.83 i686-pc-linux-gnu

SYNOPSIS

       cd-drive OPTION...

       Shows CD-ROM drive characteristics.

DESCRIPTION

       -d, --debug=INT
	      Set debugging to LEVEL

       -i, --cdrom-device[=DEVICE]
	      show only info about CD-ROM device

       -q, --quiet
	      Don't produce warning output

       -V, --version
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   Help options:
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       --usage
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AUTHOR

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COPYRIGHT

       Copyright (C) 2003, 2004, 2005, 2007, 2008, 2011 R. Bernstein
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.  Have driver: GNU/Linux ioctl and MMC driver Have driver: cdrdao (TOC) disk image driver Have driver: bin/cuesheet disk  image
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SEE ALSO

       cd-info(1) for information about the CD inside a CD-ROM.

cd-drive version 0.83 i686-pc-linux-gnu 			   October 2011 						       CD-DRIVE(1)

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