#include <linux/of.h>
#include <sound/soc.h>
+#include "mtk-dsp-sof-common.h"
+#include "mtk-soc-card.h"
#include "mtk-soundcard-driver.h"
static int set_card_codec_info(struct snd_soc_card *card,
codec_node = of_get_child_by_name(sub_node, "codec");
if (!codec_node) {
- dev_dbg(dev, "%s no specified codec\n", dai_link->name);
+ dev_dbg(dev, "%s no specified codec: setting dummy.\n", dai_link->name);
+
+ dai_link->codecs = &snd_soc_dummy_dlc;
+ dai_link->num_codecs = 1;
+ dai_link->dynamic = 1;
return 0;
}
snd_soc_of_put_dai_link_codecs(dai_link);
}
EXPORT_SYMBOL_GPL(clean_card_reference);
+
+int mtk_soundcard_startup(struct snd_pcm_substream *substream,
+ enum mtk_pcm_constraint_type ctype)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct mtk_soc_card_data *soc_card = snd_soc_card_get_drvdata(rtd->card);
+ const struct mtk_pcm_constraints_data *mpc = &soc_card->card_data->pcm_constraints[ctype];
+ int ret;
+
+ if (unlikely(!mpc))
+ return -EINVAL;
+
+ ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ mpc->rates);
+ if (ret < 0) {
+ dev_err(rtd->dev, "hw_constraint_list rate failed\n");
+ return ret;
+ }
+
+ ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ mpc->channels);
+ if (ret < 0) {
+ dev_err(rtd->dev, "hw_constraint_list channel failed\n");
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_soundcard_startup);
+
+static int mtk_soundcard_playback_startup(struct snd_pcm_substream *substream)
+{
+ return mtk_soundcard_startup(substream, MTK_CONSTRAINT_PLAYBACK);
+}
+
+const struct snd_soc_ops mtk_soundcard_common_playback_ops = {
+ .startup = mtk_soundcard_playback_startup,
+};
+EXPORT_SYMBOL_GPL(mtk_soundcard_common_playback_ops);
+
+static int mtk_soundcard_capture_startup(struct snd_pcm_substream *substream)
+{
+ return mtk_soundcard_startup(substream, MTK_CONSTRAINT_CAPTURE);
+}
+
+const struct snd_soc_ops mtk_soundcard_common_capture_ops = {
+ .startup = mtk_soundcard_capture_startup,
+};
+EXPORT_SYMBOL_GPL(mtk_soundcard_common_capture_ops);
+
+int mtk_soundcard_common_probe(struct platform_device *pdev)
+{
+ struct device_node *platform_node, *adsp_node;
+ const struct mtk_soundcard_pdata *pdata;
+ struct mtk_soc_card_data *soc_card_data;
+ struct snd_soc_dai_link *orig_dai_link, *dai_link;
+ struct snd_soc_jack *jacks;
+ struct snd_soc_card *card;
+ int i, orig_num_links, ret;
+ bool needs_legacy_probe;
+
+ pdata = device_get_match_data(&pdev->dev);
+ if (!pdata)
+ return -EINVAL;
+
+ card = pdata->card_data->card;
+ card->dev = &pdev->dev;
+ orig_dai_link = card->dai_link;
+ orig_num_links = card->num_links;
+
+ ret = snd_soc_of_parse_card_name(card, "model");
+ if (ret)
+ return ret;
+
+ if (!card->name) {
+ if (!pdata->card_name)
+ return -EINVAL;
+
+ card->name = pdata->card_name;
+ }
+
+ needs_legacy_probe = !of_property_read_bool(pdev->dev.of_node, "audio-routing");
+ if (needs_legacy_probe) {
+ /*
+ * If we have no .soc_probe() callback there's no way of using
+ * any legacy probe mechanism, as that cannot not be generic.
+ */
+ if (!pdata->soc_probe)
+ return -EINVAL;
+
+ dev_info_once(&pdev->dev, "audio-routing not found: using legacy probe\n");
+ } else {
+ ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
+ if (ret)
+ return ret;
+ }
+
+ soc_card_data = devm_kzalloc(&pdev->dev, sizeof(*soc_card_data), GFP_KERNEL);
+ if (!soc_card_data)
+ return -ENOMEM;
+
+ soc_card_data->card_data = pdata->card_data;
+
+ jacks = devm_kcalloc(card->dev, soc_card_data->card_data->num_jacks,
+ sizeof(*jacks), GFP_KERNEL);
+ if (!jacks)
+ return -ENOMEM;
+
+ soc_card_data->card_data->jacks = jacks;
+
+ platform_node = of_parse_phandle(pdev->dev.of_node, "mediatek,platform", 0);
+ if (!platform_node)
+ return dev_err_probe(&pdev->dev, -EINVAL,
+ "Property mediatek,platform missing or invalid\n");
+
+ /* Check if this SoC has an Audio DSP */
+ if (pdata->sof_priv)
+ adsp_node = of_parse_phandle(pdev->dev.of_node, "mediatek,adsp", 0);
+ else
+ adsp_node = NULL;
+
+ if (adsp_node) {
+ if (of_property_read_bool(pdev->dev.of_node, "mediatek,dai-link")) {
+ ret = mtk_sof_dailink_parse_of(card, pdev->dev.of_node,
+ "mediatek,dai-link",
+ card->dai_link, card->num_links);
+ if (ret) {
+ of_node_put(adsp_node);
+ of_node_put(platform_node);
+ return dev_err_probe(&pdev->dev, ret,
+ "Cannot parse mediatek,dai-link\n");
+ }
+ }
+
+ soc_card_data->sof_priv = pdata->sof_priv;
+ card->probe = mtk_sof_card_probe;
+ card->late_probe = mtk_sof_card_late_probe;
+ if (!card->topology_shortname_created) {
+ snprintf(card->topology_shortname, 32, "sof-%s", card->name);
+ card->topology_shortname_created = true;
+ }
+ card->name = card->topology_shortname;
+ }
+
+ /*
+ * Regardless of whether the ADSP is wanted and/or present in a machine
+ * specific device tree or not and regardless of whether any AFE_SOF
+ * link is present, we have to make sure that the platforms->of_node
+ * is not NULL, and set to either ADSP (adsp_node) or AFE (platform_node).
+ */
+ for_each_card_prelinks(card, i, dai_link) {
+ if (adsp_node && !strncmp(dai_link->name, "AFE_SOF", strlen("AFE_SOF")))
+ dai_link->platforms->of_node = adsp_node;
+ else if (!dai_link->platforms->name && !dai_link->platforms->of_node)
+ dai_link->platforms->of_node = platform_node;
+ }
+
+ if (!needs_legacy_probe) {
+ ret = parse_dai_link_info(card);
+ if (ret)
+ goto err_restore_dais;
+ } else {
+ if (adsp_node)
+ of_node_put(adsp_node);
+ of_node_put(platform_node);
+ }
+
+ if (pdata->soc_probe) {
+ ret = pdata->soc_probe(soc_card_data, needs_legacy_probe);
+ if (ret) {
+ if (!needs_legacy_probe)
+ clean_card_reference(card);
+ goto err_restore_dais;
+ }
+ }
+ snd_soc_card_set_drvdata(card, soc_card_data);
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+
+ if (!needs_legacy_probe)
+ clean_card_reference(card);
+
+ if (ret) {
+ dev_err_probe(&pdev->dev, ret, "Cannot register card\n");
+ goto err_restore_dais;
+ }
+
+ return 0;
+
+err_restore_dais:
+ card->dai_link = orig_dai_link;
+ card->num_links = orig_num_links;
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mtk_soundcard_common_probe);
git.samba.org / sfrench / cifs-2.6.git / blobdiff