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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2018, Linaro Limited.
// Copyright (c) 2018, The Linux Foundation. All rights reserved.
#include <dt-bindings/sound/qcom,q6afe.h>
#include <linux/module.h>
#include <sound/jack.h>
#include <linux/input-event-codes.h>
#include "common.h"
static const struct snd_soc_dapm_widget qcom_jack_snd_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Mic Jack", NULL),
};
int qcom_snd_parse_of(struct snd_soc_card *card)
{
struct device_node *np;
struct device_node *codec = NULL;
struct device_node *platform = NULL;
struct device_node *cpu = NULL;
struct device *dev = card->dev;
struct snd_soc_dai_link *link;
struct of_phandle_args args;
struct snd_soc_dai_link_component *dlc;
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");
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_available_child_count(dev->of_node);
/* Allocate the DAI link array */
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_available_child_of_node(dev->of_node, np) {
dlc = devm_kcalloc(dev, 2, sizeof(*dlc), GFP_KERNEL);
if (!dlc) {
ret = -ENOMEM;
goto err_put_np;
}
link->cpus = &dlc[0];
link->platforms = &dlc[1];
link->num_cpus = 1;
link->num_platforms = 1;
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_put_np;
}
cpu = of_get_child_by_name(np, "cpu");
platform = of_get_child_by_name(np, "platform");
codec = of_get_child_by_name(np, "codec");
if (!cpu) {
dev_err(dev, "%s: Can't find cpu DT node\n", link->name);
ret = -EINVAL;
goto err;
}
ret = snd_soc_of_get_dlc(cpu, &args, link->cpus, 0);
if (ret) {
dev_err_probe(card->dev, ret,
"%s: error getting cpu dai name\n", link->name);
goto err;
}
link->id = args.args[0];
if (platform) {
link->platforms->of_node = of_parse_phandle(platform,
"sound-dai",
0);
if (!link->platforms->of_node) {
dev_err(card->dev, "%s: platform dai not found\n", link->name);
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_probe(card->dev, ret,
"%s: codec dai not found\n", link->name);
goto err;
}
if (platform) {
/* DPCM backend */
link->no_pcm = 1;
link->ignore_pmdown_time = 1;
}
} else {
/* DPCM frontend */
link->codecs = &snd_soc_dummy_dlc;
link->num_codecs = 1;
link->dynamic = 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++;
of_node_put(cpu);
of_node_put(codec);
of_node_put(platform);
}
if (!card->dapm_widgets) {
card->dapm_widgets = qcom_jack_snd_widgets;
card->num_dapm_widgets = ARRAY_SIZE(qcom_jack_snd_widgets);
}
return 0;
err:
of_node_put(cpu);
of_node_put(codec);
of_node_put(platform);
err_put_np:
of_node_put(np);
return ret;
}
EXPORT_SYMBOL_GPL(qcom_snd_parse_of);
static struct snd_soc_jack_pin qcom_headset_jack_pins[] = {
/* Headset */
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
};
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 = snd_soc_rtd_to_cpu(rtd, 0);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
struct snd_soc_card *card = rtd->card;
int rval, i;
if (!*jack_setup) {
rval = snd_soc_card_jack_new_pins(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, qcom_headset_jack_pins,
ARRAY_SIZE(qcom_headset_jack_pins));
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_DESCRIPTION("ASoC Qualcomm helper functions");
MODULE_LICENSE("GPL");
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