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History log of /src/sys/dev/ic/hd44780var.h
RevisionDateAuthorComments
 1.11  08-Aug-2023  nat Avoid adding another member to the softc and use sc_flags instead.

NFCI.
 1.10  08-Aug-2023  nat Add a flag for output only devices and attachments.

It is necessary to skip the test for the device as output only attached
devices lack the ability for the device to be probed - such as the 1602 lcd
module.
 1.9  08-Aug-2023  nat Add a detach function.
 1.8  06-Sep-2015  dholland More on PR 41200: headers that declare ioctls should include sys/ioccom.h.
This covers (I think) all the MI headers outside of external/ (and dist/).
 1.7  30-Aug-2009  tsutsui branches: 1.7.22; 1.7.40;
Misc KNF.
 1.6  12-May-2009  cegger struct device * -> device_t, no functional changes intended.
 1.5  04-Mar-2007  christos branches: 1.5.40; 1.5.56;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.4  11-Dec-2005  christos branches: 1.4.26;
merge ktrace-lwp.
 1.3  14-Aug-2005  joff 4-line HD44780 LCD display support. Work needed for the NetBSD toaster port.

The HD44780 actually doesn't support 4 lines, but the 4 line displays
use two chips, one for the top two lines and one for the bottom
two lines. The chips share the databus, register-select, and write
signals but have separate enable signals.
 1.2  04-Feb-2005  joff branches: 1.2.6;
Support wsdisplay(4) attachments of hd44780 LCD controllers
 1.1  11-Jan-2005  joff branches: 1.1.2; 1.1.4; 1.1.6;
Replace hd44780_subr.h to hd44780var.h and install to userland.
 1.1.6.1  12-Feb-2005  yamt sync with head.
 1.1.4.4  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.1.4.3  04-Feb-2005  skrll Sync with HEAD.
 1.1.4.2  17-Jan-2005  skrll Sync with HEAD.
 1.1.4.1  11-Jan-2005  skrll file hd44780var.h was added on branch ktrace-lwp on 2005-01-17 19:30:39 +0000
 1.1.2.1  29-Apr-2005  kent sync with -current
 1.2.6.2  03-Sep-2007  yamt sync with head.
 1.2.6.1  21-Jun-2006  yamt sync with head.
 1.4.26.1  12-Mar-2007  rmind Sync with HEAD.
 1.5.56.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.5.40.2  16-Sep-2009  yamt sync with head
 1.5.40.1  16-May-2009  yamt sync with head
 1.7.40.1  22-Sep-2015  skrll Sync with HEAD
 1.7.22.1  03-Dec-2017  jdolecek update from HEAD

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