diff options
| author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
|---|---|---|
| committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
| commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
| tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/staging/frontier/README | |
| parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) | |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/staging/frontier/README')
| -rw-r--r-- | drivers/staging/frontier/README | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/staging/frontier/README b/drivers/staging/frontier/README new file mode 100644 index 00000000000..07c9ef9b8fc --- /dev/null +++ b/drivers/staging/frontier/README @@ -0,0 +1,28 @@ +This directory contains the USB Tranzport and Alphatrack Kernel drivers for Linux. + +At present the tranzport does reads/writes of 8 byte cmds to /dev/tranzport0 to control +the lights and screen and wheel + +At present the alphatrack accepts reads/writes of 12 byte cmds to /dev/tranzport0 to control +the lights and screen and fader. + +Both drivers also have some sysfs hooks that are non-functional at the moment. + +The API is currently closely tied to the ardour revision and WILL change. + +A sysfs interface is PERFECT for simple userspace apps to do fun things with the +lights and screen. It's fairly lousy for handling input events and very lousy +for watching the state of the shuttle wheel. + +A linux input events interface is great for the input events and shuttle wheel. It's +theoretically OK on LEDs. A Fader can be mapped to an absolute mouse device. +But there is no LCD support at all. + +In the end this is going to be driven by a midi layer, which handles all those +cases via a defined API, but - among other things - is slow, doesn't do +flow control, and is a LOT of extra work. Frankly, I'd like to keep the +core driver simple because the only realtime work really required is +the bottom half interrupt handler and the output overlapping. + +Exposing some sort of clean aio api to userspace would be perfect. What that +API looks like? Gah. beats me. |