From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gabriel Paubert Date: Tue, 26 Aug 2003 11:35:12 +0200 To: Frank Murphy Cc: linuxppc-dev@lists.linuxppc.org Subject: Re: Linux kernel / USB keyboard scancode problems Message-ID: <20030826093512.GA7637@iram.es> References: <200308231409.24503.murphyf+linux-ppc@f-m.fm> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200308231409.24503.murphyf+linux-ppc@f-m.fm> Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Sat, Aug 23, 2003 at 02:09:24PM +0200, Frank Murphy wrote: > > Hi all, > > I recently upgraded my iBook (ppc) to the Debian stock 2.4.21 from the > Debian stock 2.4.19 and I noticed a pleasant change: where I used to get a > strange keycode in X for the "right" Apple-logo key (222), I now get 116, > which is the same code I get when using an external USB keyboard with 2 > Apple-logo keys. (On the iBook, the way to get the right key's code is to > press this odd 'fn' key at the same time as the left logo key. Apple's > description of how these keys should work can be found here: > http://developer.apple.com/documentation/Hardware/Developer_Notes/Macintosh_CPUs-G3/original_iBook/iBook.25.html > > The problems I want to talk about regards similar keys: the Menu key, and > F13, F14, & F15 (in the positions of Print Screen/SysRq, Scroll Lock, and > Pause on an extended desktop keyboard). > > To get the menu keysym, I'm supposed to press fn and Enter at the same time. > But, instead of getting Menu (X keycode 117), I get 99. Unfortunately, that's > the same keycode as Prior (PageUp), but I think that's an X bug. On the > console with showkey -k, I get 101. With showkey -s, I get 0x5b 0xdb. > Unfortunately, I don't know what these values are supposed to be for Menu Indeed that's an X bug, like the one (fixed now?) with the keypad equal. X does its own mapping of raw keycodes to keycodes, and the mapping is surjective (arghh). The option CustomKeyCodes in X allows you to bypass this mapping (medium raw modes) but I believe it is deprecated. I had even found the source file in X in which this was handled but I have deleted the source tree since then and I refuse to touch a file of source code in which the only comment is a blurb of legalese at the beginning. > > On the extended keyboard F13, F14, & F15 (in the positions of Print > Screen/SysRq, Scroll Lock, and Pause) also have strange keycodes. In X, they > are keycodes 93, 123, and 127, respectively. With showkey -k, I get 85, 115, > and 119. With showkey -s, I get 0x55 0xd5, 0x73 0xf3, and 0x77 0xf7. > Unfortunately, I don't know what these values are when connected to an i386 > Linux box because I don't have access to one right now (though I might be > able to). Mapping these keys to either the equivalent (in position) or > perhaps to "real" F13, F14, and F15 keys would make them actually usable. > > The right Apple-logo key was mysteriously fixed in 2.4.20 or 2.4.21. I'll > help any way I can to get these four other keys fixed, too. Does anyone know > who made the fix to the logo key? I believe it was benh in drivers/macintosh/adbhid.c on March 5th. Easy to find with bk (1.10 revision in the tree on my Pismo which I have not updated in a long time). Apparently the ADB keycodes have changed depending on PB revisions. Regards, Gabriel > > Thanks, > > Frank > > ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/