[linux-dvb] Extract tool for xc3028 firmware
Mauro Carvalho Chehab
mchehab at infradead.org
Tue Jan 1 12:29:18 CET 2008
On Mon, 31 Dec 2007 14:57:18 +0000
"Aidan Thornton" <makosoft at googlemail.com> wrote:
> On 12/31/07, Mauro Carvalho Chehab <mchehab at infradead.org> wrote:
> > On Mon, 31 Dec 2007 03:34:56 -0200
> > Mauro Carvalho Chehab <mchehab at infradead.org> wrote:
> > > I've just added an extraction tool to allow retrieving xc2028/3028
> > firmwares
> > > from HVR-12x0 windows file.
> > >
> > > In order to use, you need to:
> > > 1) Download the windows driver with something like:
> > > wget
> > http://www.steventoth.net/linux/xc5000/HVR-12x0-14x0-17x0_1_25_25271_WHQL.zip
> > > 2) Extract the file hcw85bda.sys from the zip into the current dir:
> > > unzip -j HVR-12x0-14x0-17x0_1_25_25271_WHQL.zip
> > Driver85/hcw85bda.sys
> > > 3) run the script:
> > > ./extract_xc3028.pl
> > > 4) copy the generated file:
> > > cp xc3028-v27.fw /lib/firmware
> > >
> > > I've also added the tool at linux/Documentation/video4linux.
> > >
> > > This firmware is known to work with most xc2028/xc3028 devices. Please
> > test.
> > Sorry for a big message like this. Only after sending, I realized that the
> > extracting tool were so badly optimized.
> > Anyway, I've optimized the script. It has now only 14Kb. It basically writes
> > the header for each firmware, with the firmware type, supported standard IDs
> > and its size. Then, it copies the entire firmwares from HVR driver.
> > Something
> > like this:
> > #
> > # Firmware 9, type: STD FW MTS (0x00000004), id: PAL/BG A2/B
> > (0000000200000007), size: 169
> > #
> > write_le32(4); # Type: MTS (0x00000004)
> > write_le64(8589934599); # Id: PAL/BG A2/B (0000000200000007)
> > write_le32(169); # Size: 169
> > write_hunk_fix_endian(865592, 169); # Get the firmware from position
> > 865592
> > Since ID has 64 bits, I suspect that this perl script works fine only on 64
> > bit kernels. Probably, we need to use Math::BigInt for this to work on 32
> > bit
> > kernels.
OK, I've replaced the 64 bit integer by two 32 bit ints:
# Firmware 77, type: SCODE FW MONO HAS IF (0x60008000), IF = 6.68 MHz id: PAL/DK A2 (00000003000000e0), size: 192
write_le32(0x60008000); # Type
write_le64(0x00000003, 0x000000e0); # ID
write_le16(6680); # IF
write_le32(192); # Size
This should work fine also on 32 bit machines. Tested here.
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