new file mode 100644
@@ -0,0 +1,759 @@
+/*
+ Copyright(c) 2014-2015 Intel Corporation
+ 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.
+
+ Authors: Mengdong Lin <mengdong.lin@intel.com>
+ Yao Jin <yao.jin@intel.com>
+ Liam Girdwood <liam.r.girdwood@linux.intel.com>
+*/
+
+#include "list.h"
+#include "tplg_local.h"
+
+struct tplg_elem *lookup_pcm_dai_stream(struct list_head *base, const char* id)
+{
+ struct list_head *pos, *npos;
+ struct tplg_elem *elem;
+ struct snd_soc_tplg_pcm_dai *pcm_dai;
+
+ list_for_each_safe(pos, npos, base) {
+
+ elem = list_entry(pos, struct tplg_elem, list);
+ if (elem->type != PARSER_TYPE_PCM)
+ return NULL;
+
+ pcm_dai = elem->pcm;
+
+ if (pcm_dai && (!strcmp(pcm_dai->capconf[0].caps.name, id)
+ || !strcmp(pcm_dai->capconf[1].caps.name, id)))
+ return elem;
+ }
+
+ return NULL;
+}
+
+/* copy referenced caps to the pcm */
+static void copy_pcm_caps(const char *id, struct snd_soc_tplg_stream_caps *caps,
+ struct tplg_elem *ref_elem)
+{
+ struct snd_soc_tplg_stream_caps *ref_caps = ref_elem->stream_caps;
+
+ tplg_dbg("Copy pcm caps (%ld bytes) from '%s' to '%s' \n",
+ sizeof(*caps), ref_elem->id, id);
+
+ memcpy((void*)caps, ref_caps, sizeof(*caps));
+}
+
+/* copy referenced config to the pcm */
+static void copy_pcm_config(const char *id,
+ struct snd_soc_tplg_stream_config *cfg, struct tplg_elem *ref_elem)
+{
+ struct snd_soc_tplg_stream_config *ref_cfg = ref_elem->stream_cfg;
+
+ tplg_dbg("Copy pcm config (%ld bytes) from '%s' to '%s' \n",
+ sizeof(*cfg), ref_elem->id, id);
+
+ memcpy((void*)cfg, ref_cfg, sizeof(*cfg));
+}
+
+/* check referenced config and caps for a pcm */
+static int tplg_build_pcm_cfg_caps(snd_tplg_t *tplg, struct tplg_elem *elem)
+{
+ struct tplg_elem *ref_elem = NULL;
+ struct snd_soc_tplg_pcm_cfg_caps *capconf;
+ struct snd_soc_tplg_pcm_dai *pcm_dai;
+ unsigned int i, j;
+
+ switch (elem->type) {
+ case PARSER_TYPE_PCM:
+ pcm_dai = elem->pcm;
+ break;
+ case PARSER_TYPE_BE:
+ pcm_dai = elem->be;
+ break;
+ case PARSER_TYPE_CC:
+ pcm_dai = elem->cc;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (i = 0; i < 2; i++) {
+ capconf = &pcm_dai->capconf[i];
+
+ ref_elem = tplg_elem_lookup(&tplg->pcm_caps_list,
+ capconf->caps.name, PARSER_TYPE_STREAM_CAPS);
+
+ if (ref_elem != NULL)
+ copy_pcm_caps(elem->id, &capconf->caps, ref_elem);
+
+ for (j = 0; j < capconf->num_configs; j++) {
+ ref_elem = tplg_elem_lookup(&tplg->pcm_config_list,
+ capconf->configs[j].name,
+ PARSER_TYPE_STREAM_CONFIG);
+
+ if (ref_elem != NULL)
+ copy_pcm_config(elem->id,
+ &capconf->configs[j],
+ ref_elem);
+ }
+ }
+
+ return 0;
+}
+
+int tplg_build_pcm_dai(snd_tplg_t *tplg, unsigned int type)
+{
+ struct list_head *base, *pos, *npos;
+ struct tplg_elem *elem;
+ int err = 0;
+
+ switch (type) {
+ case PARSER_TYPE_PCM:
+ base = &tplg->pcm_list;
+ break;
+ case PARSER_TYPE_BE:
+ base = &tplg->be_list;
+ break;
+ case PARSER_TYPE_CC:
+ base = &tplg->cc_list;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ list_for_each_safe(pos, npos, base) {
+
+ elem = list_entry(pos, struct tplg_elem, list);
+ if (elem->type != type) {
+ fprintf(stderr, "error: invalid elem '%s'\n", elem->id);
+ return -EINVAL;
+ }
+
+ err = tplg_build_pcm_cfg_caps(tplg, elem);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* PCM stream configuration
+ *
+ * Describes the PCM configuration for playback and capture streams.
+ *
+ * config."name" {
+ * format "S24_LE"
+ * rate "48000"
+ * channels "2"
+ * tdm_slot "0xf"
+ * }
+ */
+static int tplg_parse_stream_cfg(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
+ snd_config_t *cfg, void *private)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ struct snd_soc_tplg_stream_config *sc = private;
+ struct snd_soc_tplg_stream *stream;
+ const char *id, *val;
+ snd_pcm_format_t format;
+ int ret;
+
+ snd_config_get_id(cfg, &id);
+
+ if (strcmp(id, "playback") == 0)
+ stream = &sc->playback;
+ else if (strcmp(id, "capture") == 0)
+ stream = &sc->capture;
+ else
+ return -EINVAL;
+
+ tplg_dbg("\t%s:\n", id);
+
+ stream->size = sizeof(*stream);
+
+ snd_config_for_each(i, next, cfg) {
+
+ n = snd_config_iterator_entry(i);
+
+ if (snd_config_get_id(n, &id) < 0)
+ return -EINVAL;
+
+ if (snd_config_get_string(n, &val) < 0)
+ return -EINVAL;
+
+ if (strcmp(id, "format") == 0) {
+ format = snd_pcm_format_value(val);
+ if (format == SND_PCM_FORMAT_UNKNOWN) {
+ fprintf(stderr, "error: unsupported stream format %s\n",
+ val);
+ return -EINVAL;
+ }
+
+ stream->format = format;
+ tplg_dbg("\t\t%s: %s\n", id, val);
+ continue;
+ }
+
+ if (strcmp(id, "rate") == 0) {
+ stream->rate = atoi(val);
+ tplg_dbg("\t\t%s: %d\n", id, stream->rate);
+ continue;
+ }
+
+ if (strcmp(id, "channels") == 0) {
+ stream->channels = atoi(val);
+ tplg_dbg("\t\t%s: %d\n", id, stream->channels);
+ continue;
+ }
+
+ if (strcmp(id, "tdm_slot") == 0) {
+ stream->tdm_slot = strtol(val, NULL, 16);
+ tplg_dbg("\t\t%s: 0x%x\n", id, stream->tdm_slot);
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+/* Parse pcm configuration
+ *
+ * SectionPCMConfig."PCM config name" {
+ *
+ * config."playback" {
+ *
+ * }
+ *
+ * config."capture" {
+ *
+ * }
+ * }
+ */
+int tplg_parse_pcm_config(snd_tplg_t *tplg,
+ snd_config_t *cfg, void *private ATTRIBUTE_UNUSED)
+{
+ struct snd_soc_tplg_stream_config *sc;
+ struct tplg_elem *elem;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ const char *id;
+ int err;
+
+ elem = tplg_elem_new_common(tplg, cfg, PARSER_TYPE_STREAM_CONFIG);
+ if (!elem)
+ return -ENOMEM;
+
+ sc = elem->stream_cfg;
+ sc->size = elem->size;
+
+ tplg_dbg(" PCM Config: %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, "config") == 0) {
+ err = tplg_parse_compound(tplg, n,
+ tplg_parse_stream_cfg, sc);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+static int split_format(struct snd_soc_tplg_stream_caps *caps, char *str)
+{
+ char *s = NULL;
+ snd_pcm_format_t format;
+ int i = 0, ret;
+
+ s = strtok(str, ",");
+ while ((s != NULL) && (i < SND_SOC_TPLG_MAX_FORMATS)) {
+ format = snd_pcm_format_value(s);
+ if (format == SND_PCM_FORMAT_UNKNOWN) {
+ fprintf(stderr, "error: unsupported stream format %s\n", s);
+ return -EINVAL;
+ }
+
+ caps->formats[i] = format;
+ s = strtok(NULL, ", ");
+ i++;
+ }
+
+ return 0;
+}
+
+/* Parse pcm Capabilities
+ *
+ * SectionPCMCapabilities." PCM capabilities name" {
+ *
+ * formats "S24_LE,S16_LE"
+ * rate_min "48000"
+ * rate_max "48000"
+ * channels_min "2"
+ * channels_max "2"
+ * }
+ */
+int tplg_parse_pcm_caps(snd_tplg_t *tplg,
+ snd_config_t *cfg, void *private ATTRIBUTE_UNUSED)
+{
+ struct snd_soc_tplg_stream_caps *sc;
+ struct tplg_elem *elem;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ const char *id, *val;
+ char *s;
+ int err;
+
+ elem = tplg_elem_new_common(tplg, cfg, PARSER_TYPE_STREAM_CAPS);
+ if (!elem)
+ return -ENOMEM;
+
+ sc = elem->stream_caps;
+ sc->size = elem->size;
+ strncpy(sc->name, elem->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
+ sc->name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN - 1] = 0;
+
+ tplg_dbg(" PCM Capabilities: %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 (snd_config_get_string(n, &val) < 0)
+ return -EINVAL;
+
+ if (strcmp(id, "formats") == 0) {
+ s = strdup(val);
+ if (s == NULL)
+ return -ENOMEM;
+
+ err = split_format(sc, s);
+ free(s);
+
+ if (err < 0)
+ return err;
+
+ tplg_dbg("\t\t%s: %s\n", id, val);
+ continue;
+ }
+
+ if (strcmp(id, "rate_min") == 0) {
+ sc->rate_min = atoi(val);
+ tplg_dbg("\t\t%s: %d\n", id, sc->rate_min);
+ continue;
+ }
+
+ if (strcmp(id, "rate_max") == 0) {
+ sc->rate_max = atoi(val);
+ tplg_dbg("\t\t%s: %d\n", id, sc->rate_max);
+ continue;
+ }
+
+ if (strcmp(id, "channels_min") == 0) {
+ sc->channels_min = atoi(val);
+ tplg_dbg("\t\t%s: %d\n", id, sc->channels_min);
+ continue;
+ }
+
+ if (strcmp(id, "channels_max") == 0) {
+ sc->channels_max = atoi(val);
+ tplg_dbg("\t\t%s: %d\n", id, sc->channels_max);
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+static int tplg_parse_pcm_cfg(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
+ snd_config_t *cfg, void *private)
+{
+ struct snd_soc_tplg_pcm_cfg_caps *capconf = private;
+ struct snd_soc_tplg_stream_config *configs = capconf->configs;
+ unsigned int *num_configs = &capconf->num_configs;
+ const char *value;
+
+ if (*num_configs == SND_SOC_TPLG_STREAM_CONFIG_MAX)
+ return -EINVAL;
+
+ if (snd_config_get_string(cfg, &value) < 0)
+ return EINVAL;
+
+ strncpy(configs[*num_configs].name, value,
+ SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
+ configs[*num_configs].name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN - 1] = 0;
+
+ *num_configs += 1;
+
+ tplg_dbg("\t\t\t%s\n", value);
+
+ return 0;
+}
+
+/* Parse the cap and config of a pcm.
+ *
+ * pcm."name" {
+ *
+ * capabilities "System playback"
+ *
+ * configs [
+ * "PCM 48k Stereo 24bit"
+ * "PCM 48k Stereo 16bit"
+ * ]
+ * }
+ */
+int tplg_parse_pcm_cap_cfg(snd_tplg_t *tplg, snd_config_t *cfg,
+ void *private)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ struct tplg_elem *elem = private;
+ struct snd_soc_tplg_pcm_dai *pcm_dai;
+ const char *id, *value;
+ int err, stream;
+
+ if (elem->type == PARSER_TYPE_PCM)
+ pcm_dai = elem->pcm;
+ else if (elem->type == PARSER_TYPE_BE)
+ pcm_dai = elem->be;
+ else if (elem->type == PARSER_TYPE_CC)
+ pcm_dai = elem->cc;
+ else
+ return -EINVAL;
+
+ snd_config_get_id(cfg, &id);
+
+ tplg_dbg("\t%s:\n", id);
+
+ if (strcmp(id, "playback") == 0) {
+ stream = SND_SOC_TPLG_STREAM_PLAYBACK;
+ pcm_dai->playback = 1;
+ } else if (strcmp(id, "capture") == 0) {
+ stream = SND_SOC_TPLG_STREAM_CAPTURE;
+ pcm_dai->capture = 1;
+ } else
+ return -EINVAL;
+
+ snd_config_for_each(i, next, cfg) {
+
+ n = snd_config_iterator_entry(i);
+
+ /* get id */
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+
+ if (strcmp(id, "capabilities") == 0) {
+ if (snd_config_get_string(n, &value) < 0)
+ continue;
+
+ strncpy(pcm_dai->capconf[stream].caps.name, value,
+ SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
+ pcm_dai->capconf[stream].caps.name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN - 1] = 0;
+
+ tplg_dbg("\t\t%s\n\t\t\t%s\n", id, value);
+ continue;
+ }
+
+ if (strcmp(id, "configs") == 0) {
+ tplg_dbg("\t\tconfigs:\n");
+ err = tplg_parse_compound(tplg, n, tplg_parse_pcm_cfg,
+ &pcm_dai->capconf[stream]);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+/* Parse pcm
+ *
+ * SectionPCM."System Pin" {
+ *
+ * index "1"
+ *
+ * # used for binding to the PCM
+ * ID "0"
+ *
+ * pcm."playback" {
+ * capabilities "System Playback"
+ * config "PCM 48k Stereo 24bit"
+ * config "PCM 48k Stereo 16bit"
+ * }
+ *
+ * pcm."capture" {
+ * capabilities "Analog Capture"
+ * config "PCM 48k Stereo 24bit"
+ * config "PCM 48k Stereo 16bit"
+ * config "PCM 48k 2P/4C 16bit"
+ * }
+ * }
+ */
+int tplg_parse_pcm(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, PARSER_TYPE_PCM);
+ if (!elem)
+ return -ENOMEM;
+
+ pcm_dai = elem->pcm;
+ pcm_dai->size = elem->size;
+ strncpy(pcm_dai->name, elem->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
+ pcm_dai->name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN - 1] = 0;
+
+ tplg_dbg(" PCM: %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, "pcm") == 0) {
+ err = tplg_parse_compound(tplg, n,
+ tplg_parse_pcm_cap_cfg, elem);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+/* Parse be
+ *
+ * SectionBE."SSP0-Codec" {
+ *
+ * index "1"
+ *
+ * # used for binding to the PCM
+ * ID "0"
+ *
+ * be."playback" {
+ * capabilities "System Playback"
+ * config "PCM 48k Stereo 24bit"
+ * config "PCM 48k Stereo 16bit"
+ * }
+ *
+ * be."capture" {
+ * capabilities "Analog Capture"
+ * config "PCM 48k Stereo 24bit"
+ * config "PCM 48k Stereo 16bit"
+ * config "PCM 48k 2P/4C 16bit"
+ * }
+ * }
+ */
+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, PARSER_TYPE_BE);
+ if (!elem)
+ return -ENOMEM;
+
+ pcm_dai = elem->be;
+ pcm_dai->size = elem->size;
+ strncpy(pcm_dai->name, elem->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
+ pcm_dai->name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN] = 0;
+
+ 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
+ *
+ * SectionCC."FM-Codec" {
+ *
+ * index "1"
+ *
+ * # used for binding to the CC link
+ * ID "0"
+ *
+ * # CC DAI link capabilities and supported configs
+ * cc."playback" {
+ *
+ * capabilities "System playback"
+ *
+ * configs [
+ * "PCM 48k Stereo 16bit"
+ * ]
+ * }
+ *
+ * cc."capture" {
+ *
+ * capabilities "Analog capture"
+ *
+ * configs [
+ * "PCM 48k Stereo 16bit"
+ * ]
+ * }
+ * }
+ */
+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, PARSER_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;
+}
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> --- src/topology/pcm.c | 759 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 759 insertions(+) create mode 100644 src/topology/pcm.c