94 lines
3.2 KiB
Text
94 lines
3.2 KiB
Text
[ This is the Oct 10, 2010 snapshot of my source tree. Included are
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changes to support FreeBSD 8.1. As a result of the changes the
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driver no longer support FreeBSD 4. I'm unsure of FreeBSD 5 - 7
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since I don't have a platform to use for building / testing,
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however it's likely they still work. ]
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To use the Hauppauge PVR-250 / 350 on FreeBSD 5, 6, 7, 8:
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1) On FreeBSD 5 and 6 use patch to apply Patch.iicbb-fbsd5
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so cxm can use the i2c bus and avoid a crash when unloading
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as well as update the prototype for iicbus_write to support
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a const buffer.
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2) Unshar the enclosed archive into /sys.
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3) Place a current version of hcwpvrp2.sys from the
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Hauppauge drivers into /sys/dev/cxm. Extract the
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the firmware by:
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# cd /sys/dev/cxm
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# cc -o cxm_extract_fw cxm_extract_fw.c
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# ./cxm_extract_fw hcwpvrp2.sys
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4) Rebuilt the kernel and modules to ensure the iicbb
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patch takes effect.
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5) Install the new kernel and modules. Reboot.
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6) Make and install the cxm driver by:
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# cd /sys/modules/cxm
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# make
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# cp cxm/cxm.ko cxm_iic/cxm_iic.ko /modules
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# kldload cxm_iic
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# kldload cxm
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At which point your console should say something like:
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cxm0: <Conexant iTVC15 MPEG Coder> mem 0xd8000000-0xdbffffff irq 12
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at device 10 .0 on pci0
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cxm_iic0: <Conexant iTVC15 / iTVC16 I2C controller> on cxm0
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iicbb0: <I2C bit-banging driver> on cxm_iic0
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cxm0: Philips FI1236 MK2 tuner
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cxm0: SAA7115 rev 1 video decoder
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cxm0: MSP3435G-B6 audio decoder
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cxm0: IR Remote
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cxm0: encoder firmware version 0x2050032
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cxm0: decoder firmware version 0x2020023
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7) On FreeBSD 5.2 and later the device node is /dev/cxm0
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and magically appears when the cxm modules is loaded.
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A subset of the bt848 and meteor ioctls are supported.
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The more interesting ones being:
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TVTUNER_SETTYPE - Set the channel map / system (default is tuner specific).
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TVTUNER_SETCHNL - Set the channel (default to 4).
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BT848_SCAPAREA - Set the capture area / format (defaults to DVD).
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VCD: 352 x 240 or 352 x 288
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SVCD: 480 x 480 or 480 x 576
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DVD half D1: 352 x 480 or 352 x 576
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DVD full D1: 720 x 480 or 720 x 576
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METEORCAPTUR - Start / stop the capture.
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Capture is also started if a read
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occurs when the data buffer is empty.
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To capture a MPEG program stream from the current channel
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simply cat /dev/cxm0 > filename.mpeg. Though to ensure
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a clean capture you probably want to do something like:
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1) Read data until the TV show has ended.
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2) Use METEORCAPTUR to end the capture.
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3) Use poll to determine if there is any data
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remaining in the device. Read the data as
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long as poll says there's data in the buffer.
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otherwise the end of the mpeg program stream will probably be
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corrupt.
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Enjoy,
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John Wehle
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-------------------------------------------------------------------------
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| Feith Systems | Voice: 1-215-646-8000 | Email: john@feith.com |
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| John Wehle | Fax: 1-215-540-5495 | |
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