Add a command line tool that will parse topology text files and convert to the binary topology data as used by the kernel.
Signed-off-by: Liam Girdwood liam.r.girdwood@linux.intel.com --- Makefile.am | 3 ++ configure.ac | 5 ++- topology/Makefile.am | 10 +++++ topology/topology.c | 117 +++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 134 insertions(+), 1 deletion(-) create mode 100644 topology/Makefile.am create mode 100644 topology/topology.c
diff --git a/Makefile.am b/Makefile.am index 5bbe588..613f62d 100644 --- a/Makefile.am +++ b/Makefile.am @@ -25,6 +25,9 @@ endif if HAVE_UCM SUBDIRS += alsaucm endif +if HAVE_TOPOLOGY +SUBDIRS += topology +endif
EXTRA_DIST= TODO gitcompile AUTOMAKE_OPTIONS=foreign diff --git a/configure.ac b/configure.ac index f09aa54..4c279a9 100644 --- a/configure.ac +++ b/configure.ac @@ -50,6 +50,8 @@ AC_CHECK_HEADERS([alsa/seq.h], [have_seq="yes"], [have_seq="no"], [#include <alsa/asoundlib.h>]) AC_CHECK_HEADERS([alsa/use-case.h], [have_ucm="yes"], [have_ucm="no"], [#include <alsa/asoundlib.h>]) +AC_CHECK_HEADERS([alsa/topology.h], [have_topology="yes"], [have_topology="no"], + [#include <alsa/asoundlib.h>]) AC_CHECK_HEADERS([samplerate.h], [have_samplerate="yes"], [have_samplerate="no"], [#include <samplerate.h>])
@@ -58,6 +60,7 @@ AM_CONDITIONAL(HAVE_MIXER, test "$have_mixer" = "yes") AM_CONDITIONAL(HAVE_RAWMIDI, test "$have_rawmidi" = "yes") AM_CONDITIONAL(HAVE_SEQ, test "$have_seq" = "yes") AM_CONDITIONAL(HAVE_UCM, test "$have_ucm" = "yes") +AM_CONDITIONAL(HAVE_TOPOLOGY, test "$have_topology" = "yes") AM_CONDITIONAL(HAVE_SAMPLERATE, test "$have_samplerate" = "yes")
dnl Check for librt @@ -358,7 +361,7 @@ AC_OUTPUT(Makefile alsactl/Makefile alsactl/init/Makefile \ m4/Makefile po/Makefile.in \ alsaconf/alsaconf alsaconf/Makefile \ alsaconf/po/Makefile \ - alsaucm/Makefile \ + alsaucm/Makefile topology/Makefile \ aplay/Makefile include/Makefile iecset/Makefile utils/Makefile \ utils/alsa-utils.spec seq/Makefile seq/aconnect/Makefile \ seq/aplaymidi/Makefile seq/aseqdump/Makefile seq/aseqnet/Makefile \ diff --git a/topology/Makefile.am b/topology/Makefile.am new file mode 100644 index 0000000..c370b14 --- /dev/null +++ b/topology/Makefile.am @@ -0,0 +1,10 @@ +bin_PROGRAMS = \ + alsatplg + +alsatplg_SOURCES = topology.c + +AM_CPPFLAGS = \ + -Wall -I$(top_srcdir)/include + +alsatplg_LDADD = -lasound + diff --git a/topology/topology.c b/topology/topology.c new file mode 100644 index 0000000..33c3276 --- /dev/null +++ b/topology/topology.c @@ -0,0 +1,117 @@ +/* + Copyright(c) 2014-2015 Intel Corporation + Copyright(c) 2010-2011 Texas Instruments Incorporated, + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + The full GNU General Public License is included in this distribution + in the file called LICENSE.GPL. +*/ + +#include <stdlib.h> +#include <stdio.h> +#include <stdint.h> +#include <fcntl.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <sys/stat.h> +#include <dlfcn.h> +#include <getopt.h> +#include <assert.h> + +#include <alsa/asoundlib.h> +#include <alsa/topology.h> +#include "gettext.h" + +static snd_output_t *log; + +static void usage(char *name) +{ + printf( +_("Usage: %s [OPTIONS]...\n" +"\n" +"-h, --help help\n" +"-c, --compile=FILE compile file\n" +"-v, --verbose=LEVEL set verbosity level (0...1)\n" +"-o, --output=FILE set output file\n" +), name); +} + +int main(int argc, char *argv[]) +{ + snd_tplg_t *snd_tplg; + static const char short_options[] = "hc:v:o:"; + static const struct option long_options[] = { + {"help", 0, 0, 'h'}, + {"verbose", 0, 0, 'v'}, + {"compile", 0, 0, 'c'}, + {"output", 0, 0, 'o'}, + {0, 0, 0, 0}, + }; + char *source_file = NULL, *output_file = NULL; + int c, err, verbose = 0, option_index; + +#ifdef ENABLE_NLS + setlocale(LC_ALL, ""); + textdomain(PACKAGE); +#endif + + err = snd_output_stdio_attach(&log, stderr, 0); + assert(err >= 0); + + while ((c = getopt_long(argc, argv, short_options, long_options, &option_index)) != -1) { + switch (c) { + case 'h': + usage(argv[0]); + return 0; + case 'v': + verbose = atoi(optarg); + break; + case 'c': + source_file = optarg; + break; + case 'o': + output_file = optarg; + break; + default: + fprintf(stderr, _("Try `%s --help' for more information.\n"), argv[0]); + return 1; + } + } + + if (source_file == NULL || output_file == NULL) { + usage(argv[0]); + return 1; + } + + snd_tplg = snd_tplg_new(); + if (snd_tplg == NULL) { + fprintf(stderr, _("failed to create new topology context\n")); + return 1; + } + + snd_tplg_verbose(snd_tplg, verbose); + + err = snd_tplg_build_file(snd_tplg, source_file, output_file); + if (err < 0) { + fprintf(stderr, _("failed to compile context %s\n"), source_file); + snd_tplg_free(snd_tplg); + return 1; + } + + snd_tplg_free(snd_tplg); + return 0; +} +