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ufm - USB driver for Cypress Semiconductor FM Radio
The ufm driver provides support for the D-Link/GEMTEK FM tuner. The USB
interface chip is the common Cypress 63001, and the tuner is a Philips
TEA5757 radio chip that uses a serial interface to set the tuner
parameters. This design is used in the D-Link DSB-R100 USB Radio.
The ufm device must be configured in the kernel, along with usb(4) and
one of the uhci(4) or ohci(4) controllers.
Subsequently, the /dev/ufm0 device can be used by userland applications.
/dev/ufm0 blocking device node
ohci(4), uhci(4), usb(4)
The ufm driver was written by M. Warner Losh 〈imp@FreeBSD.org〉 for