diff options
Diffstat (limited to '')
-rw-r--r-- | sound/soc/qcom/common.c | 256 |
1 files changed, 233 insertions, 23 deletions
diff --git a/sound/soc/qcom/common.c b/sound/soc/qcom/common.c index 6c20bdd850f3..69dd3b504e20 100644 --- a/sound/soc/qcom/common.c +++ b/sound/soc/qcom/common.c @@ -3,6 +3,9 @@ // Copyright (c) 2018, The Linux Foundation. All rights reserved. #include <linux/module.h> +#include <sound/jack.h> +#include <linux/input-event-codes.h> +#include "qdsp6/q6afe.h" #include "common.h" int qcom_snd_parse_of(struct snd_soc_card *card) @@ -18,34 +21,58 @@ int qcom_snd_parse_of(struct snd_soc_card *card) int ret, num_links; ret = snd_soc_of_parse_card_name(card, "model"); + if (ret == 0 && !card->name) + /* Deprecated, only for compatibility with old device trees */ + ret = snd_soc_of_parse_card_name(card, "qcom,model"); if (ret) { dev_err(dev, "Error parsing card name: %d\n", ret); return ret; } + if (of_property_read_bool(dev->of_node, "widgets")) { + ret = snd_soc_of_parse_audio_simple_widgets(card, "widgets"); + if (ret) + return ret; + } + /* DAPM routes */ if (of_property_read_bool(dev->of_node, "audio-routing")) { - ret = snd_soc_of_parse_audio_routing(card, - "audio-routing"); + ret = snd_soc_of_parse_audio_routing(card, "audio-routing"); + if (ret) + return ret; + } + /* Deprecated, only for compatibility with old device trees */ + if (of_property_read_bool(dev->of_node, "qcom,audio-routing")) { + ret = snd_soc_of_parse_audio_routing(card, "qcom,audio-routing"); if (ret) return ret; } + ret = snd_soc_of_parse_pin_switches(card, "pin-switches"); + if (ret) + return ret; + + ret = snd_soc_of_parse_aux_devs(card, "aux-devs"); + if (ret) + return ret; + /* Populate links */ - num_links = of_get_child_count(dev->of_node); + num_links = of_get_available_child_count(dev->of_node); /* Allocate the DAI link array */ - card->dai_link = kcalloc(num_links, sizeof(*link), GFP_KERNEL); + card->dai_link = devm_kcalloc(dev, num_links, sizeof(*link), GFP_KERNEL); if (!card->dai_link) return -ENOMEM; card->num_links = num_links; link = card->dai_link; - for_each_child_of_node(dev->of_node, np) { + for_each_available_child_of_node(dev->of_node, np) { dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL); - if (!dlc) - return -ENOMEM; + if (!dlc) { + ret = -ENOMEM; + goto err_put_np; + } link->cpus = &dlc[0]; link->platforms = &dlc[1]; @@ -56,7 +83,7 @@ int qcom_snd_parse_of(struct snd_soc_card *card) ret = of_property_read_string(np, "link-name", &link->name); if (ret) { dev_err(card->dev, "error getting codec dai_link name\n"); - goto err; + goto err_put_np; } cpu = of_get_child_by_name(np, "cpu"); @@ -80,11 +107,12 @@ int qcom_snd_parse_of(struct snd_soc_card *card) ret = snd_soc_of_get_dai_name(cpu, &link->cpus->dai_name); if (ret) { - dev_err(card->dev, "%s: error getting cpu dai name\n", link->name); + dev_err_probe(card->dev, ret, + "%s: error getting cpu dai name\n", link->name); goto err; } - if (codec && platform) { + if (platform) { link->platforms->of_node = of_parse_phandle(platform, "sound-dai", 0); @@ -93,32 +121,46 @@ int qcom_snd_parse_of(struct snd_soc_card *card) ret = -EINVAL; goto err; } + } else { + link->platforms->of_node = link->cpus->of_node; + } + if (codec) { ret = snd_soc_of_get_dai_link_codecs(dev, codec, link); if (ret < 0) { - dev_err(card->dev, "%s: codec dai not found\n", link->name); + dev_err_probe(card->dev, ret, + "%s: codec dai not found\n", link->name); goto err; } - link->no_pcm = 1; - link->ignore_pmdown_time = 1; + + if (platform) { + /* DPCM backend */ + link->no_pcm = 1; + link->ignore_pmdown_time = 1; + } } else { + /* DPCM frontend */ dlc = devm_kzalloc(dev, sizeof(*dlc), GFP_KERNEL); - if (!dlc) - return -ENOMEM; + if (!dlc) { + ret = -ENOMEM; + goto err; + } link->codecs = dlc; link->num_codecs = 1; - link->platforms->of_node = link->cpus->of_node; link->codecs->dai_name = "snd-soc-dummy-dai"; link->codecs->name = "snd-soc-dummy"; link->dynamic = 1; } - link->ignore_suspend = 1; - link->nonatomic = 1; - link->dpcm_playback = 1; - link->dpcm_capture = 1; + if (platform || !codec) { + /* DPCM */ + snd_soc_dai_link_set_capabilities(link); + link->ignore_suspend = 1; + link->nonatomic = 1; + } + link->stream_name = link->name; link++; @@ -129,13 +171,181 @@ int qcom_snd_parse_of(struct snd_soc_card *card) return 0; err: - of_node_put(np); of_node_put(cpu); of_node_put(codec); of_node_put(platform); - kfree(card->dai_link); +err_put_np: + of_node_put(np); + return ret; +} +EXPORT_SYMBOL_GPL(qcom_snd_parse_of); + +#if IS_ENABLED(CONFIG_SOUNDWIRE) +int qcom_snd_sdw_prepare(struct snd_pcm_substream *substream, + struct sdw_stream_runtime *sruntime, + bool *stream_prepared) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + int ret; + + if (!sruntime) + return 0; + + switch (cpu_dai->id) { + case WSA_CODEC_DMA_RX_0: + case WSA_CODEC_DMA_RX_1: + case RX_CODEC_DMA_RX_0: + case RX_CODEC_DMA_RX_1: + case TX_CODEC_DMA_TX_0: + case TX_CODEC_DMA_TX_1: + case TX_CODEC_DMA_TX_2: + case TX_CODEC_DMA_TX_3: + break; + default: + return 0; + } + + if (*stream_prepared) { + sdw_disable_stream(sruntime); + sdw_deprepare_stream(sruntime); + *stream_prepared = false; + } + + ret = sdw_prepare_stream(sruntime); + if (ret) + return ret; + + /** + * NOTE: there is a strict hw requirement about the ordering of port + * enables and actual WSA881x PA enable. PA enable should only happen + * after soundwire ports are enabled if not DC on the line is + * accumulated resulting in Click/Pop Noise + * PA enable/mute are handled as part of codec DAPM and digital mute. + */ + + ret = sdw_enable_stream(sruntime); + if (ret) { + sdw_deprepare_stream(sruntime); + return ret; + } + *stream_prepared = true; + return ret; } -EXPORT_SYMBOL(qcom_snd_parse_of); +EXPORT_SYMBOL_GPL(qcom_snd_sdw_prepare); + +int qcom_snd_sdw_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct sdw_stream_runtime **psruntime) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct sdw_stream_runtime *sruntime; + int i; + + switch (cpu_dai->id) { + case WSA_CODEC_DMA_RX_0: + case RX_CODEC_DMA_RX_0: + case RX_CODEC_DMA_RX_1: + case TX_CODEC_DMA_TX_0: + case TX_CODEC_DMA_TX_1: + case TX_CODEC_DMA_TX_2: + case TX_CODEC_DMA_TX_3: + for_each_rtd_codec_dais(rtd, i, codec_dai) { + sruntime = snd_soc_dai_get_stream(codec_dai, substream->stream); + if (sruntime != ERR_PTR(-ENOTSUPP)) + *psruntime = sruntime; + } + break; + } + + return 0; + +} +EXPORT_SYMBOL_GPL(qcom_snd_sdw_hw_params); + +int qcom_snd_sdw_hw_free(struct snd_pcm_substream *substream, + struct sdw_stream_runtime *sruntime, bool *stream_prepared) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + + switch (cpu_dai->id) { + case WSA_CODEC_DMA_RX_0: + case WSA_CODEC_DMA_RX_1: + case RX_CODEC_DMA_RX_0: + case RX_CODEC_DMA_RX_1: + case TX_CODEC_DMA_TX_0: + case TX_CODEC_DMA_TX_1: + case TX_CODEC_DMA_TX_2: + case TX_CODEC_DMA_TX_3: + if (sruntime && *stream_prepared) { + sdw_disable_stream(sruntime); + sdw_deprepare_stream(sruntime); + *stream_prepared = false; + } + break; + default: + break; + } + return 0; +} +EXPORT_SYMBOL_GPL(qcom_snd_sdw_hw_free); +#endif + +int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd, + struct snd_soc_jack *jack, bool *jack_setup) +{ + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_card *card = rtd->card; + int rval, i; + + if (!*jack_setup) { + rval = snd_soc_card_jack_new(card, "Headset Jack", + SND_JACK_HEADSET | SND_JACK_LINEOUT | + SND_JACK_MECHANICAL | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4 | SND_JACK_BTN_5, + jack); + + if (rval < 0) { + dev_err(card->dev, "Unable to add Headphone Jack\n"); + return rval; + } + + snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA); + snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); + snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); + snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); + *jack_setup = true; + } + + switch (cpu_dai->id) { + case TX_CODEC_DMA_TX_0: + case TX_CODEC_DMA_TX_1: + case TX_CODEC_DMA_TX_2: + case TX_CODEC_DMA_TX_3: + for_each_rtd_codec_dais(rtd, i, codec_dai) { + rval = snd_soc_component_set_jack(codec_dai->component, + jack, NULL); + if (rval != 0 && rval != -ENOTSUPP) { + dev_warn(card->dev, "Failed to set jack: %d\n", rval); + return rval; + } + } + + break; + default: + break; + } + + + return 0; +} +EXPORT_SYMBOL_GPL(qcom_snd_wcd_jack_setup); MODULE_LICENSE("GPL v2"); |