Lines Matching +full:gx +full:- +full:sound +full:- +full:card
1 // SPDX-License-Identifier: GPL-2.0
3 // ASoC simple sound card support
6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
16 #include <sound/simple_card.h>
17 #include <sound/soc-dai.h>
18 #include <sound/soc.h>
22 #define DAI "sound-dai"
23 #define CELL "#sound-dai-cells"
24 #define PREFIX "simple-audio-card,"
50 * Get node via "sound-dai = <&phandle port>"
59 dlc->of_node = args.np;
78 * Get node via "sound-dai = <&phandle port>"
90 ret = -ENOMEM;
91 dlc->dai_name = snd_soc_dai_name_get(dai);
92 dlc->dai_args = snd_soc_copy_dai_args(dev, &args);
93 if (!dlc->dai_args)
102 * Here, dlc->dai_name is pointer to CPU/Codec DAI name.
103 * If user unbinded CPU or Codec driver, but not for Sound Card,
104 * dlc->dai_name is keeping unbinded CPU or Codec
107 * If user re-bind CPU or Codec driver again, ALSA SoC will try
108 * to rebind Card via snd_soc_try_rebind_card(), but because of
109 * above reason, it might can't bind Sound Card.
110 * Because Sound Card is pointing to released dai_name pointer.
112 * To avoid this rebind Card issue,
115 * 2) user need to rebind Sound Card everytime
134 struct device_node *top = dev->of_node;
150 struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
151 struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link);
184 struct device_node *top = dev->of_node;
185 struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
186 struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link);
194 prefix, &dai_link->dai_fmt);
203 of_property_read_u32(top, "mclk-fs", &dai_props->mclk_fs);
204 of_property_read_u32(top, PREFIX "mclk-fs", &dai_props->mclk_fs);
205 of_property_read_u32(node, "mclk-fs", &dai_props->mclk_fs);
206 of_property_read_u32(node, PREFIX "mclk-fs", &dai_props->mclk_fs);
207 of_property_read_u32(cpu, "mclk-fs", &dai_props->mclk_fs);
208 of_property_read_u32(cpu, PREFIX "mclk-fs", &dai_props->mclk_fs);
209 of_property_read_u32(codec, "mclk-fs", &dai_props->mclk_fs);
210 of_property_read_u32(codec, PREFIX "mclk-fs", &dai_props->mclk_fs);
217 dai_link->playback_only = playback_only;
218 dai_link->capture_only = capture_only;
220 dai_link->trigger_start = trigger_start;
221 dai_link->trigger_stop = trigger_stop;
223 dai_link->init = simple_util_dai_init;
224 dai_link->ops = &simple_ops;
238 struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
239 struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link);
240 struct device_node *top = dev->of_node;
252 if (li->cpu) {
260 dai_link->dynamic = 1;
261 dai_link->dpcm_merged_format = 1;
267 snprintf(dai_name, sizeof(dai_name), "fe.%s", cpus->dai_name);
278 dai_link->no_pcm = 1;
279 dai_link->be_hw_params_fixup = simple_util_be_hw_params_fixup;
287 snprintf(dai_name, sizeof(dai_name), "be.%s", codecs->dai_name);
290 snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node,
292 snd_soc_of_parse_node_prefix(node, cconf, codecs->of_node,
294 snd_soc_of_parse_node_prefix(np, cconf, codecs->of_node,
298 simple_parse_convert(dev, np, &dai_props->adata);
303 li->link++;
315 struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
350 "%s-%s", cpus->dai_name, codecs->dai_name);
358 li->link++;
375 struct device_node *top = dev->of_node;
381 /* Check if it has dai-link */
382 node = of_get_child_by_name(top, PREFIX "dai-link");
388 struct device_node *add_devs __free(device_node) = of_get_child_by_name(top, PREFIX "additional-devs");
390 /* loop for all dai-link */
395 /* Skip additional-devs node */
405 ret = -ENODEV;
412 /* get convert-xxx property */
427 * or has convert-xxx property
433 * |1(CPU)|0(Codec) li->cpu
437 if (li->cpu != (np == codec))
439 /* else normal sound */
443 * |1(CPU)|0(Codec) li->cpu
447 if (li->cpu && (np != codec))
479 * In Normal sound case, all DAIs are detected
480 * as "CPU-Codec".
482 * In DPCM sound case,
483 * all CPUs are detected as "CPU-dummy", and
484 * all Codecs are detected as "dummy-Codec".
485 * To avoid random sub-device numbering,
486 * detect "dummy-Codec" in last;
488 for (li->cpu = 1; li->cpu >= 0; li->cpu--) {
507 struct device_node *node __free(device_node) = of_get_child_by_name(dev->of_node, PREFIX "additional-devs");
524 struct snd_soc_card *card = simple_priv_to_card(priv);
527 ret = simple_util_parse_widgets(card, PREFIX);
531 ret = simple_util_parse_routing(card, PREFIX);
535 ret = simple_util_parse_pin_switches(card, PREFIX);
555 ret = snd_soc_of_parse_aux_devs(card, PREFIX "aux-devs");
565 int ret = -EINVAL;
567 if (li->link >= SNDRV_MAX_LINKS)
573 * Some CPU might be using soc-generic-dmaengine-pcm. This means CPU and Platform
574 * are different Component, but are sharing same component->dev.
575 * Simple Card had been supported it without special Platform selection.
582 * simple-card-utils.c :: simple_util_canonicalize_platform()
584 li->num[li->link].cpus = 1;
585 li->num[li->link].platforms = 1;
587 li->num[li->link].codecs = 1;
589 li->link += 1;
600 int ret = -EINVAL;
602 if (li->link >= SNDRV_MAX_LINKS)
605 if (li->cpu) {
611 li->num[li->link].cpus = 1;
612 li->num[li->link].platforms = 1;
614 li->link++; /* CPU-dummy */
616 li->num[li->link].codecs = 1;
618 li->link++; /* dummy-Codec */
629 struct device_node *top = dev->of_node;
633 * CPU-Codec / CPU-dummy / dummy-Codec
636 * same number for "dummy-Codec"
639 * CPU0 --- Codec0 link : 5
640 * CPU1 --- Codec1 dais : 7
641 * CPU2 -/ ccnf : 1
642 * CPU3 --- Codec2
644 * => 5 links = 2xCPU-Codec + 2xCPU-dummy + 1xdummy-Codec
646 * => 1 ccnf = 1xdummy-Codec
649 * CPU0 --- Codec0 link : 5
650 * CPU1 --- Codec1 dais : 6
651 * CPU2 -/ ccnf : 1
652 * CPU3 -/
654 * => 5 links = 1xCPU-Codec + 3xCPU-dummy + 1xdummy-Codec
656 * => 1 ccnf = 1xdummy-Codec
659 * CPU0 --- Codec0 link : 6
660 * CPU1 -/ dais : 6
661 * CPU2 --- Codec1 ccnf : 2
662 * CPU3 -/
664 * => 6 links = 0xCPU-Codec + 4xCPU-dummy + 2xdummy-Codec
666 * => 2 ccnf = 2xdummy-Codec
669 * CPU0 --- Codec0 (convert-rate) link : 3
670 * CPU1 --- Codec1 dais : 4
673 * => 3 links = 1xCPU-Codec + 1xCPU-dummy + 1xdummy-Codec
675 * => 1 ccnf = 1xdummy-Codec
678 li->num[0].cpus = 1;
679 li->num[0].codecs = 1;
680 li->num[0].platforms = 1;
682 li->link = 1;
691 static int simple_soc_probe(struct snd_soc_card *card)
693 struct simple_util_priv *priv = snd_soc_card_get_drvdata(card);
696 ret = simple_util_init_hp(card, &priv->hp_jack, PREFIX);
700 ret = simple_util_init_mic(card, &priv->mic_jack, PREFIX);
712 struct device *dev = &pdev->dev;
713 struct device_node *np = dev->of_node;
714 struct snd_soc_card *card;
720 return -ENOMEM;
722 card = simple_priv_to_card(priv);
723 card->owner = THIS_MODULE;
724 card->dev = dev;
725 card->probe = simple_soc_probe;
726 card->driver_name = "simple-card";
728 ret = -ENOMEM;
737 ret = -EINVAL;
738 if (!li->link)
758 struct snd_soc_dai_link *dai_link = priv->dai_link;
759 struct simple_dai_props *dai_props = priv->dai_props;
761 ret = -EINVAL;
763 cinfo = dev->platform_data;
765 dev_err(dev, "no info for asoc-simple-card\n");
769 if (!cinfo->name ||
770 !cinfo->codec_dai.name ||
771 !cinfo->codec ||
772 !cinfo->platform ||
773 !cinfo->cpu_dai.name) {
778 cpus = dai_link->cpus;
779 cpus->dai_name = cinfo->cpu_dai.name;
781 codecs = dai_link->codecs;
782 codecs->name = cinfo->codec;
783 codecs->dai_name = cinfo->codec_dai.name;
785 platform = dai_link->platforms;
786 platform->name = cinfo->platform;
788 card->name = (cinfo->card) ? cinfo->card : cinfo->name;
789 dai_link->name = cinfo->name;
790 dai_link->stream_name = cinfo->name;
791 dai_link->dai_fmt = cinfo->daifmt;
792 dai_link->init = simple_util_dai_init;
793 memcpy(dai_props->cpu_dai, &cinfo->cpu_dai,
794 sizeof(*dai_props->cpu_dai));
795 memcpy(dai_props->codec_dai, &cinfo->codec_dai,
796 sizeof(*dai_props->codec_dai));
799 snd_soc_card_set_drvdata(card, priv);
803 ret = devm_snd_soc_register_card(dev, card);
809 simple_util_clean_reference(card);
815 { .compatible = "simple-audio-card", },
816 { .compatible = "simple-scu-audio-card",
824 .name = "asoc-simple-card",
834 MODULE_ALIAS("platform:asoc-simple-card");
836 MODULE_DESCRIPTION("ASoC Simple Sound Card");
837 MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");