[i sent this mail already yesterday, but it seems not reached by
unknown reason. if you have already seen this, please disregard.]
At Wed, 19 Mar 2003 14:11:08 +0100,
Pieter Palmers wrote:
>
> Hi,
>
> I'm currently writing a driver for the Guillemot MaxiStudio ISIS card,
> and I have the following question:
> how do I integrate my driver into the ALSA tree? I'm totaly infamiliar
> with the autoconf/automake stuff...
> For the moment I only need it on my own machine, so I compile it separately.
> But in a later stage I'd like to distribute some beta releases, and in
> the end it should end up in the ALSA distribution I guess.
(hmm, i have a dejavu; the same question appeared sometime ago.
this should really go to HOWTO :)
suppose that you'll create a new PCI driver xyz.
you'll need to add the following:
1. modify alsa-driver/pci/Makefile
* if you have a single file xyz.c for a new driver snd-xyz, add the
following two lines
snd-xyz-objs := xyz.o
extra-obj-$(CONFIG_SND_XYZ) += snd-xyz.o
* if you have several files for a new driver(s), add a new directory
name (xyz) to extra-subdir-y list
extra-subdir-y := pdplus vx222 xyz
and under the directory xyz, create a Makefile
TOPDIR = ../..
include $(TOPDIR)/toplevel.config
include $(TOPDIR)/Makefile.conf
TOPDIR = $(MAINSRCDIR)
snd-xyz-objs := xyz.o abc.o def.o
obj-$(CONFIG_SND_XYZ) += snd-xyz.o
include $(TOPDIR)/Rules.make
2. modify alsa-driver/acore/Makefile
define the dependent modules.
obj-$(CONFIG_SND_XYZ) += snd.o ...
if the driver supports pcm, snd-pcm.o, snd-timer.o and
snd-page-alloc.o will be needed.
for rawmidi, snd-rawmidi.o, and for opl3, snd-hwdep.o are needed.
these are also related to the sequencer stuff.
you'll need to modify alsa-driver/acore/seq/Makefile (and
acore/seq/instr/Makefile for opl3 in addition).
3. modify alsa-driver/utils/Modules.dep
add the module definition for configure, here.
* if you have snd-xyz on pci directory,
%dir linux/sound/pci
|snd-azt3328 snd-pcm snd-mpu401-uart snd-opl3-lib snd-opl3-synth
|snd-xyz snd-pcm ...
* if you have a separate directory pci/xyz,
%dir linux/sound/pci/xyz
|snd-xyz snd-pcm ...
4. run cvscompile script to re-generate the configure script and build
the whole stuff again.
ciao,
Takashi
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