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--- title: Tascam144 --- Tascam 144 USB audio/MIDI interface adapter. ## Support * ALSA [1.0.18-rc1][1] * Kernel 2.6.28 * Works on uhci-hcd only ## Howto * [Ubuntu][2] * Tested on nixie (2.6.31-17-generic i686) ### Unbind ehci # echo -n 0000:00:1d.7 >> /sys/bus/pci/drivers/ehci_hcd/unbind ### Install patched snd-usb-us122l.ko sudo cp /lib/modules/`uname -r`/kernel/sound/usb/usx2y/snd-usb-us122l.ko{,.bak} wget http://www.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-20091012.tar.gz tar -xzvf alsa-driver-20091012.tar.gz cd alsa-driver/alsa-kernel/usb/usx2y/ make -C /usr/src/linux-headers-`uname -r` M=`pwd` modules sudo cp snd-usb-us122l.ko /lib/modules/`uname -r`/kernel/sound/usb/usx2y/snd-usb-us122l.ko sudo modprobe snd-usb-us122l ### Configure ALSA * [http://wiki.briata.org/doku.php#step\_3\_-\_set\_alsa][3] wget http://pub.briata.org/us-122l/.asoundrc -O ~/.asoundrc ### Test ARGS="-MDusb_stream:1 -fS24_3LE -r44100 -c2 --period-size=640" arecord $ARGS > foo.wav mplayer foo.wav ### Rebind afterwards # echo -n 0000:00:1d.7 >> /sys/bus/pci/drivers/ehci_hcd/bind ## Hardware Description Vendor Id: 0x0644 (Teac) Product Id: 0x800f ### lsusb Bus 002 Device 004: ID 0644:800f TEAC Corp See below for verbose lsusb output... ### Physical structure #### Connectors | 1 | USB | USB type B | || | 2 | Line Out L | RCA | | 3 | Line Out R | RCA | | 4 | MIDI In | MIDI | | 5 | MIDI Out | MIDI | | 6 | Digital In | MIDI | | 7 | Digital Out | MIDI | | 8 | Line In L | Audio Jack 6.3 mm (1/4") | | 9 | Line/Guitar In R | Audio Jack 6.3 mm (1/4") | | 10 | Phones | Audio Jack 6.3 mm (1/4") | | 11 | Mic In L | XLR | | 12 | Mic In R | XLR | #### Mixers | Control | Type | Mix inputs | |:------------------------:| ------ | ---------- | | Mon Mix (Input/Computer) | Mix | ? <--> 1 | | Line Out | Mix | 2 level | | Phones | Mix | 10 level | | Input L | Mix | 8 <--> 11 | | Input R | Mix | 9 <--> 12 | | Mic-Line/Guitar | Switch | 9 | ### USB structure Configuration 1: Interface 0 Alt 0 0 endpoints Alt 1 Endpoint 0: Isochronous Output (packet size: 156, interval: 125µs) Endpoint 1: Bulk Input (packet size: 512, interval: 0ms) Endpoint 2: Bulk Output 500µs (packet size: 512, interval: 500µs) Interface 1 Alt 0: 0 endpoints Alt 1: Endpoint 0: Isochronous Input (packet size: 64, interval: 1ms) Endpoint 1: Bulk Input (packet size: 512, interval: 0ms) ### /proc/bus/usb T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 33 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=0644 ProdID=800f Rev= 1.00 S: Manufacturer=Tascam S: Product=US-144 S: SerialNumber=no serial number C:* #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=480mA I: If#= 0 Alt= 0 #EPs= 0 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) I: If#= 0 Alt= 1 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=02(O) Atr=05(Isoc) MxPS= 156 Ivl=125us E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=500us I: If#= 1 Alt= 0 #EPs= 0 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) I: If#= 1 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=81(I) Atr=05(Isoc) MxPS= 64 Ivl=1ms E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms ### lsusb -vvv Bus 003 Device 003: ID 0644:800f TEAC Corp. Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x0644 TEAC Corp. idProduct 0x800f bcdDevice 1.00 iManufacturer 1 Tascam iProduct 2 US-144 iSerial 3 no serial number bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 80 bNumInterfaces 2 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 480mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 1 bNumEndpoints 3 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x009c 1x 156 bytes bInterval 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 4 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 2 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 4 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x86 EP 6 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 1 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0000 (Bus Powered) ## Links <http://www.pps.jussieu.fr/~smimram/tascam/> <http://www.tascam.de/en/us-144.html> <http://www.tascam.com/Products/US-144.html> <http://langerland.de/linux/usx2y/index.html> <http://permalink.gmane.org/gmane.linux.alsa.devel/43192> <http://ubuntuforums.org/showthread.php?t=318567> [http://doc.gwos.org/index.php/Tascam\_US-122\_in_Dapper][4] <http://www.alsa-project.org/> <http://www.premiumorange.com/la-page-web-of-phil/index.php?page=P030001> <http://wiki.briata.org/doku.php> [1]: http://www.alsa-project.org/main/index.php/Changes_v1.0.17a_v1.0.18rc1#USB_USX2Y [2]: http://wiki.ubuntuusers.de/Benutzer/BigMc/Tascam_US-144 [3]: http://wiki.briata.org/doku.php#step_3_-_set_alsa [4]: http://doc.gwos.org/index.php/Tascam_US-122_in_Dapper <!-- vim: filetype=markdown -->
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