On Tue, 11 Dec 2018 11:17:27 +0100, Takashi Sakamoto wrote: > > Hi, > > In 2004, RME GmbH shipped Fireface 800 as a flagship model of its > Fireface series. This model consists of some chips: > - TI TSB81BA3D for physical layer on cable environment of EEE 1394 bus > - TI TSB82AA2 for link layer for 1394 OHCI bus bridge to PCI bus > - Xilinx Spartan-3 FPGA XC3S400 > - Xilinx High-Performance CPLD XC9572XL > > A remarkable point of this model is that its physical/link layer > support S800 (800Mbps) mode of IEEE 1394b. Within devices of audio > and music unit on IEEE 1394 bus, this is an unique model to support it, > as long as I know. > > This commit adds support for the model with its MIDI functionality only. > The functionality is quite similar to the one of Fireface 400. In patch > 01-06, some codes specific to Fireface 400 are arranged to be shared by > both models. > > On the other hand, there're some differences. The largest difference is > that the model has no register to switch enabling/disabling tx > asynchronous transactions for MIDI messages. Therefore the functionality > work well without any assist by userspace. > > For this work, I use v2.77 firmware and v3.1.24 driver shipped by RME > GmbH. If finding some differences between older firmware, please report > it with enough information for debug. To help users for test, I prepare > a remote branch including these patches. This can be backport to Linux > v4.17 or later. > https://github.com/takaswie/snd-firewire-improve/tree/topic/ff800-midi > > Takashi Sakamoto (8): > ALSA: fireface: share some registers for status of clock > synchronization > ALSA: fireface: share status and configuration dump > ALSA: fireface: share helper function to get current sampling rate and > clock source > ALSA: fireface: add support for second optical interface for ADAT > stream > ALSA: fireface: share register for async transaction of MIDI messages > ALSA: fireface: add driver data for register for MIDI high address > ALSA: fireface: localize a handler for MIDI messages on tx transaction > ALSA: fireface: add support for Fireface 800 with MIDI functionality > only Applied all eight patches now. Thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
