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topology: Add PCM parser.
Parse PCM configurations and capabilities. These can then be used to define the capabilities and config for FE DAI links, PCM devices and codec <-> codec style links. Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Liam Girdwood
Takashi Iwai
parent
408396a8ca
commit
4db19506c3
1 changed files with 639 additions and 0 deletions
639
src/topology/pcm.c
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639
src/topology/pcm.c
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@ -0,0 +1,639 @@
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/*
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Copyright(c) 2014-2015 Intel Corporation
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All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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Authors: Mengdong Lin <mengdong.lin@intel.com>
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Yao Jin <yao.jin@intel.com>
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Liam Girdwood <liam.r.girdwood@linux.intel.com>
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*/
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#include "list.h"
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#include "tplg_local.h"
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struct tplg_elem *lookup_pcm_dai_stream(struct list_head *base, const char* id)
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{
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struct list_head *pos;
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struct tplg_elem *elem;
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struct snd_soc_tplg_pcm_dai *pcm_dai;
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list_for_each(pos, base) {
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elem = list_entry(pos, struct tplg_elem, list);
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if (elem->type != OBJECT_TYPE_PCM)
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return NULL;
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pcm_dai = elem->pcm;
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if (pcm_dai && (!strcmp(pcm_dai->capconf[0].caps.name, id)
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|| !strcmp(pcm_dai->capconf[1].caps.name, id)))
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return elem;
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}
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return NULL;
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}
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/* copy referenced caps to the pcm */
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static void copy_pcm_caps(const char *id, struct snd_soc_tplg_stream_caps *caps,
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struct tplg_elem *ref_elem)
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{
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struct snd_soc_tplg_stream_caps *ref_caps = ref_elem->stream_caps;
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tplg_dbg("Copy pcm caps (%ld bytes) from '%s' to '%s' \n",
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sizeof(*caps), ref_elem->id, id);
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*caps = *ref_caps;
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}
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/* copy referenced config to the pcm */
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static void copy_pcm_config(const char *id,
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struct snd_soc_tplg_stream_config *cfg, struct tplg_elem *ref_elem)
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{
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struct snd_soc_tplg_stream_config *ref_cfg = ref_elem->stream_cfg;
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tplg_dbg("Copy pcm config (%ld bytes) from '%s' to '%s' \n",
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sizeof(*cfg), ref_elem->id, id);
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*cfg = *ref_cfg;
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}
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/* check referenced config and caps for a pcm */
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static int tplg_build_pcm_cfg_caps(snd_tplg_t *tplg, struct tplg_elem *elem)
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{
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struct tplg_elem *ref_elem = NULL;
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struct snd_soc_tplg_pcm_cfg_caps *capconf;
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struct snd_soc_tplg_pcm_dai *pcm_dai;
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unsigned int i, j;
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switch (elem->type) {
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case OBJECT_TYPE_PCM:
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pcm_dai = elem->pcm;
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break;
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case OBJECT_TYPE_BE:
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pcm_dai = elem->be;
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break;
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case OBJECT_TYPE_CC:
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pcm_dai = elem->cc;
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break;
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default:
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return -EINVAL;
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}
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for (i = 0; i < 2; i++) {
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capconf = &pcm_dai->capconf[i];
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ref_elem = tplg_elem_lookup(&tplg->pcm_caps_list,
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capconf->caps.name, OBJECT_TYPE_STREAM_CAPS);
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if (ref_elem != NULL)
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copy_pcm_caps(elem->id, &capconf->caps, ref_elem);
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for (j = 0; j < capconf->num_configs; j++) {
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ref_elem = tplg_elem_lookup(&tplg->pcm_config_list,
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capconf->configs[j].name,
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OBJECT_TYPE_STREAM_CONFIG);
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if (ref_elem != NULL)
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copy_pcm_config(elem->id,
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&capconf->configs[j],
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ref_elem);
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}
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}
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return 0;
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}
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int tplg_build_pcm_dai(snd_tplg_t *tplg, unsigned int type)
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{
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struct list_head *base, *pos;
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struct tplg_elem *elem;
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int err = 0;
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switch (type) {
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case OBJECT_TYPE_PCM:
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base = &tplg->pcm_list;
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break;
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case OBJECT_TYPE_BE:
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base = &tplg->be_list;
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break;
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case OBJECT_TYPE_CC:
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base = &tplg->cc_list;
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break;
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default:
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return -EINVAL;
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}
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list_for_each(pos, base) {
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elem = list_entry(pos, struct tplg_elem, list);
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if (elem->type != type) {
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SNDERR("error: invalid elem '%s'\n", elem->id);
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return -EINVAL;
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}
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err = tplg_build_pcm_cfg_caps(tplg, elem);
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if (err < 0)
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return err;
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}
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return 0;
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}
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/* PCM stream configuration */
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static int tplg_parse_stream_cfg(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
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snd_config_t *cfg, void *private)
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{
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snd_config_iterator_t i, next;
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snd_config_t *n;
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struct snd_soc_tplg_stream_config *sc = private;
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struct snd_soc_tplg_stream *stream;
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const char *id, *val;
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snd_pcm_format_t format;
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int ret;
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snd_config_get_id(cfg, &id);
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if (strcmp(id, "playback") == 0)
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stream = &sc->playback;
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else if (strcmp(id, "capture") == 0)
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stream = &sc->capture;
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else
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return -EINVAL;
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tplg_dbg("\t%s:\n", id);
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stream->size = sizeof(*stream);
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snd_config_for_each(i, next, cfg) {
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n = snd_config_iterator_entry(i);
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if (snd_config_get_id(n, &id) < 0)
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return -EINVAL;
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if (snd_config_get_string(n, &val) < 0)
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return -EINVAL;
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if (strcmp(id, "format") == 0) {
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format = snd_pcm_format_value(val);
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if (format == SND_PCM_FORMAT_UNKNOWN) {
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SNDERR("error: unsupported stream format %s\n",
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val);
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return -EINVAL;
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}
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stream->format = format;
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tplg_dbg("\t\t%s: %s\n", id, val);
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continue;
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}
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if (strcmp(id, "rate") == 0) {
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stream->rate = atoi(val);
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tplg_dbg("\t\t%s: %d\n", id, stream->rate);
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continue;
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}
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if (strcmp(id, "channels") == 0) {
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stream->channels = atoi(val);
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tplg_dbg("\t\t%s: %d\n", id, stream->channels);
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continue;
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}
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if (strcmp(id, "tdm_slot") == 0) {
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stream->tdm_slot = strtol(val, NULL, 16);
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tplg_dbg("\t\t%s: 0x%x\n", id, stream->tdm_slot);
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continue;
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}
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}
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return 0;
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}
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/* Parse pcm configuration */
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int tplg_parse_pcm_config(snd_tplg_t *tplg,
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snd_config_t *cfg, void *private ATTRIBUTE_UNUSED)
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{
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struct snd_soc_tplg_stream_config *sc;
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struct tplg_elem *elem;
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snd_config_iterator_t i, next;
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snd_config_t *n;
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const char *id;
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int err;
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elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_STREAM_CONFIG);
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if (!elem)
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return -ENOMEM;
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sc = elem->stream_cfg;
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sc->size = elem->size;
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tplg_dbg(" PCM Config: %s\n", elem->id);
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snd_config_for_each(i, next, cfg) {
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n = snd_config_iterator_entry(i);
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if (snd_config_get_id(n, &id) < 0)
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continue;
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/* skip comments */
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if (strcmp(id, "comment") == 0)
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continue;
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if (id[0] == '#')
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continue;
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if (strcmp(id, "config") == 0) {
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err = tplg_parse_compound(tplg, n,
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tplg_parse_stream_cfg, sc);
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if (err < 0)
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return err;
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continue;
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}
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}
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return 0;
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}
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static int split_format(struct snd_soc_tplg_stream_caps *caps, char *str)
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{
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char *s = NULL;
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snd_pcm_format_t format;
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int i = 0, ret;
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s = strtok(str, ",");
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while ((s != NULL) && (i < SND_SOC_TPLG_MAX_FORMATS)) {
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format = snd_pcm_format_value(s);
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if (format == SND_PCM_FORMAT_UNKNOWN) {
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SNDERR("error: unsupported stream format %s\n", s);
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return -EINVAL;
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}
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caps->formats[i] = format;
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s = strtok(NULL, ", ");
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i++;
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}
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return 0;
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}
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/* Parse pcm Capabilities */
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int tplg_parse_pcm_caps(snd_tplg_t *tplg,
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snd_config_t *cfg, void *private ATTRIBUTE_UNUSED)
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{
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struct snd_soc_tplg_stream_caps *sc;
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struct tplg_elem *elem;
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snd_config_iterator_t i, next;
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snd_config_t *n;
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const char *id, *val;
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char *s;
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int err;
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elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_STREAM_CAPS);
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if (!elem)
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return -ENOMEM;
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sc = elem->stream_caps;
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sc->size = elem->size;
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elem_copy_text(sc->name, elem->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
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tplg_dbg(" PCM Capabilities: %s\n", elem->id);
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snd_config_for_each(i, next, cfg) {
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n = snd_config_iterator_entry(i);
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if (snd_config_get_id(n, &id) < 0)
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continue;
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/* skip comments */
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if (strcmp(id, "comment") == 0)
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continue;
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if (id[0] == '#')
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continue;
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if (snd_config_get_string(n, &val) < 0)
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return -EINVAL;
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if (strcmp(id, "formats") == 0) {
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s = strdup(val);
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if (s == NULL)
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return -ENOMEM;
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err = split_format(sc, s);
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free(s);
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if (err < 0)
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return err;
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tplg_dbg("\t\t%s: %s\n", id, val);
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continue;
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}
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if (strcmp(id, "rate_min") == 0) {
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sc->rate_min = atoi(val);
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tplg_dbg("\t\t%s: %d\n", id, sc->rate_min);
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continue;
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}
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if (strcmp(id, "rate_max") == 0) {
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sc->rate_max = atoi(val);
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tplg_dbg("\t\t%s: %d\n", id, sc->rate_max);
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continue;
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}
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if (strcmp(id, "channels_min") == 0) {
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sc->channels_min = atoi(val);
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tplg_dbg("\t\t%s: %d\n", id, sc->channels_min);
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continue;
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}
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if (strcmp(id, "channels_max") == 0) {
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sc->channels_max = atoi(val);
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tplg_dbg("\t\t%s: %d\n", id, sc->channels_max);
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continue;
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}
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}
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return 0;
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}
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static int tplg_parse_pcm_cfg(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
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snd_config_t *cfg, void *private)
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{
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struct snd_soc_tplg_pcm_cfg_caps *capconf = private;
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struct snd_soc_tplg_stream_config *configs = capconf->configs;
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unsigned int *num_configs = &capconf->num_configs;
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const char *value;
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if (*num_configs == SND_SOC_TPLG_STREAM_CONFIG_MAX)
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return -EINVAL;
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if (snd_config_get_string(cfg, &value) < 0)
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return EINVAL;
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elem_copy_text(configs[*num_configs].name, value,
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SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
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*num_configs += 1;
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tplg_dbg("\t\t\t%s\n", value);
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return 0;
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}
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/* Parse the cap and config of a pcm */
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int tplg_parse_pcm_cap_cfg(snd_tplg_t *tplg, snd_config_t *cfg,
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void *private)
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{
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snd_config_iterator_t i, next;
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snd_config_t *n;
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struct tplg_elem *elem = private;
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struct snd_soc_tplg_pcm_dai *pcm_dai;
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const char *id, *value;
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int err, stream;
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if (elem->type == OBJECT_TYPE_PCM)
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pcm_dai = elem->pcm;
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else if (elem->type == OBJECT_TYPE_BE)
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pcm_dai = elem->be;
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else if (elem->type == OBJECT_TYPE_CC)
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pcm_dai = elem->cc;
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else
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return -EINVAL;
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snd_config_get_id(cfg, &id);
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tplg_dbg("\t%s:\n", id);
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if (strcmp(id, "playback") == 0) {
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stream = SND_SOC_TPLG_STREAM_PLAYBACK;
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pcm_dai->playback = 1;
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} else if (strcmp(id, "capture") == 0) {
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stream = SND_SOC_TPLG_STREAM_CAPTURE;
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pcm_dai->capture = 1;
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} else
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return -EINVAL;
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snd_config_for_each(i, next, cfg) {
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n = snd_config_iterator_entry(i);
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/* get id */
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if (snd_config_get_id(n, &id) < 0)
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continue;
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if (strcmp(id, "capabilities") == 0) {
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if (snd_config_get_string(n, &value) < 0)
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continue;
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elem_copy_text(pcm_dai->capconf[stream].caps.name, value,
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SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
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tplg_dbg("\t\t%s\n\t\t\t%s\n", id, value);
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continue;
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}
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if (strcmp(id, "configs") == 0) {
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tplg_dbg("\t\tconfigs:\n");
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err = tplg_parse_compound(tplg, n, tplg_parse_pcm_cfg,
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&pcm_dai->capconf[stream]);
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if (err < 0)
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return err;
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continue;
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}
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}
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return 0;
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}
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/* Parse pcm */
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int tplg_parse_pcm(snd_tplg_t *tplg,
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snd_config_t *cfg, void *private ATTRIBUTE_UNUSED)
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{
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struct snd_soc_tplg_pcm_dai *pcm_dai;
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struct tplg_elem *elem;
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snd_config_iterator_t i, next;
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snd_config_t *n;
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const char *id, *val = NULL;
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int err;
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elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_PCM);
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if (!elem)
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return -ENOMEM;
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pcm_dai = elem->pcm;
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pcm_dai->size = elem->size;
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elem_copy_text(pcm_dai->name, elem->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
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tplg_dbg(" PCM: %s\n", elem->id);
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snd_config_for_each(i, next, cfg) {
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n = snd_config_iterator_entry(i);
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if (snd_config_get_id(n, &id) < 0)
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continue;
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/* skip comments */
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if (strcmp(id, "comment") == 0)
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continue;
|
||||
if (id[0] == '#')
|
||||
continue;
|
||||
|
||||
if (strcmp(id, "index") == 0) {
|
||||
if (snd_config_get_string(n, &val) < 0)
|
||||
return -EINVAL;
|
||||
|
||||
elem->index = atoi(val);
|
||||
tplg_dbg("\t%s: %d\n", id, elem->index);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (strcmp(id, "id") == 0) {
|
||||
if (snd_config_get_string(n, &val) < 0)
|
||||
return -EINVAL;
|
||||
|
||||
pcm_dai->id = atoi(val);
|
||||
tplg_dbg("\t%s: %d\n", id, pcm_dai->id);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (strcmp(id, "pcm") == 0) {
|
||||
err = tplg_parse_compound(tplg, n,
|
||||
tplg_parse_pcm_cap_cfg, elem);
|
||||
if (err < 0)
|
||||
return err;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Parse be */
|
||||
int tplg_parse_be(snd_tplg_t *tplg,
|
||||
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED)
|
||||
{
|
||||
struct snd_soc_tplg_pcm_dai *pcm_dai;
|
||||
struct tplg_elem *elem;
|
||||
snd_config_iterator_t i, next;
|
||||
snd_config_t *n;
|
||||
const char *id, *val = NULL;
|
||||
int err;
|
||||
|
||||
elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_BE);
|
||||
if (!elem)
|
||||
return -ENOMEM;
|
||||
|
||||
pcm_dai = elem->be;
|
||||
pcm_dai->size = elem->size;
|
||||
elem_copy_text(pcm_dai->name, elem->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
|
||||
|
||||
tplg_dbg(" BE: %s\n", elem->id);
|
||||
|
||||
snd_config_for_each(i, next, cfg) {
|
||||
|
||||
n = snd_config_iterator_entry(i);
|
||||
if (snd_config_get_id(n, &id) < 0)
|
||||
continue;
|
||||
|
||||
/* skip comments */
|
||||
if (strcmp(id, "comment") == 0)
|
||||
continue;
|
||||
if (id[0] == '#')
|
||||
continue;
|
||||
|
||||
if (strcmp(id, "index") == 0) {
|
||||
if (snd_config_get_string(n, &val) < 0)
|
||||
return -EINVAL;
|
||||
|
||||
elem->index = atoi(val);
|
||||
tplg_dbg("\t%s: %d\n", id, elem->index);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (strcmp(id, "id") == 0) {
|
||||
if (snd_config_get_string(n, &val) < 0)
|
||||
return -EINVAL;
|
||||
|
||||
pcm_dai->id = atoi(val);
|
||||
tplg_dbg("\t%s: %d\n", id, pcm_dai->id);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (strcmp(id, "be") == 0) {
|
||||
err = tplg_parse_compound(tplg, n,
|
||||
tplg_parse_pcm_cap_cfg, elem);
|
||||
if (err < 0)
|
||||
return err;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Parse cc */
|
||||
int tplg_parse_cc(snd_tplg_t *tplg,
|
||||
snd_config_t *cfg, void *private ATTRIBUTE_UNUSED)
|
||||
{
|
||||
struct snd_soc_tplg_pcm_dai *pcm_dai;
|
||||
struct tplg_elem *elem;
|
||||
snd_config_iterator_t i, next;
|
||||
snd_config_t *n;
|
||||
const char *id, *val = NULL;
|
||||
int err;
|
||||
|
||||
elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_CC);
|
||||
if (!elem)
|
||||
return -ENOMEM;
|
||||
|
||||
pcm_dai = elem->cc;
|
||||
pcm_dai->size = elem->size;
|
||||
|
||||
tplg_dbg(" CC: %s\n", elem->id);
|
||||
|
||||
snd_config_for_each(i, next, cfg) {
|
||||
|
||||
n = snd_config_iterator_entry(i);
|
||||
if (snd_config_get_id(n, &id) < 0)
|
||||
continue;
|
||||
|
||||
/* skip comments */
|
||||
if (strcmp(id, "comment") == 0)
|
||||
continue;
|
||||
if (id[0] == '#')
|
||||
continue;
|
||||
|
||||
if (strcmp(id, "index") == 0) {
|
||||
if (snd_config_get_string(n, &val) < 0)
|
||||
return -EINVAL;
|
||||
|
||||
elem->index = atoi(val);
|
||||
tplg_dbg("\t%s: %d\n", id, elem->index);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (strcmp(id, "id") == 0) {
|
||||
if (snd_config_get_string(n, &val) < 0)
|
||||
return -EINVAL;
|
||||
|
||||
pcm_dai->id = atoi(val);
|
||||
tplg_dbg("\t%s: %d\n", id, pcm_dai->id);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (strcmp(id, "cc") == 0) {
|
||||
err = tplg_parse_compound(tplg, n,
|
||||
tplg_parse_pcm_cap_cfg, elem);
|
||||
if (err < 0)
|
||||
return err;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue