279 lines · c
1// SPDX-License-Identifier: GPL-2.02// Copyright (c) 2018, Linaro Limited.3// Copyright (c) 2018, The Linux Foundation. All rights reserved.4 5#include <dt-bindings/sound/qcom,q6afe.h>6#include <linux/module.h>7#include <sound/jack.h>8#include <linux/input-event-codes.h>9#include "common.h"10 11#define NAME_SIZE 3212 13static const struct snd_soc_dapm_widget qcom_jack_snd_widgets[] = {14 SND_SOC_DAPM_HP("Headphone Jack", NULL),15 SND_SOC_DAPM_MIC("Mic Jack", NULL),16 SND_SOC_DAPM_SPK("DP0 Jack", NULL),17 SND_SOC_DAPM_SPK("DP1 Jack", NULL),18 SND_SOC_DAPM_SPK("DP2 Jack", NULL),19 SND_SOC_DAPM_SPK("DP3 Jack", NULL),20 SND_SOC_DAPM_SPK("DP4 Jack", NULL),21 SND_SOC_DAPM_SPK("DP5 Jack", NULL),22 SND_SOC_DAPM_SPK("DP6 Jack", NULL),23 SND_SOC_DAPM_SPK("DP7 Jack", NULL),24};25 26int qcom_snd_parse_of(struct snd_soc_card *card)27{28 struct device_node *np;29 struct device_node *codec = NULL;30 struct device_node *platform = NULL;31 struct device_node *cpu = NULL;32 struct device *dev = card->dev;33 struct snd_soc_dai_link *link;34 struct of_phandle_args args;35 struct snd_soc_dai_link_component *dlc;36 int ret, num_links;37 38 ret = snd_soc_of_parse_card_name(card, "model");39 if (ret == 0 && !card->name)40 /* Deprecated, only for compatibility with old device trees */41 ret = snd_soc_of_parse_card_name(card, "qcom,model");42 if (ret) {43 dev_err(dev, "Error parsing card name: %d\n", ret);44 return ret;45 }46 47 if (of_property_read_bool(dev->of_node, "widgets")) {48 ret = snd_soc_of_parse_audio_simple_widgets(card, "widgets");49 if (ret)50 return ret;51 }52 53 /* DAPM routes */54 if (of_property_read_bool(dev->of_node, "audio-routing")) {55 ret = snd_soc_of_parse_audio_routing(card, "audio-routing");56 if (ret)57 return ret;58 }59 /* Deprecated, only for compatibility with old device trees */60 if (of_property_read_bool(dev->of_node, "qcom,audio-routing")) {61 ret = snd_soc_of_parse_audio_routing(card, "qcom,audio-routing");62 if (ret)63 return ret;64 }65 66 ret = snd_soc_of_parse_pin_switches(card, "pin-switches");67 if (ret)68 return ret;69 70 ret = snd_soc_of_parse_aux_devs(card, "aux-devs");71 if (ret)72 return ret;73 74 /* Populate links */75 num_links = of_get_available_child_count(dev->of_node);76 77 /* Allocate the DAI link array */78 card->dai_link = devm_kcalloc(dev, num_links, sizeof(*link), GFP_KERNEL);79 if (!card->dai_link)80 return -ENOMEM;81 82 card->num_links = num_links;83 link = card->dai_link;84 85 for_each_available_child_of_node(dev->of_node, np) {86 dlc = devm_kcalloc(dev, 2, sizeof(*dlc), GFP_KERNEL);87 if (!dlc) {88 ret = -ENOMEM;89 goto err_put_np;90 }91 92 link->cpus = &dlc[0];93 link->platforms = &dlc[1];94 95 link->num_cpus = 1;96 link->num_platforms = 1;97 98 ret = of_property_read_string(np, "link-name", &link->name);99 if (ret) {100 dev_err(card->dev, "error getting codec dai_link name\n");101 goto err_put_np;102 }103 104 cpu = of_get_child_by_name(np, "cpu");105 platform = of_get_child_by_name(np, "platform");106 codec = of_get_child_by_name(np, "codec");107 108 if (!cpu) {109 dev_err(dev, "%s: Can't find cpu DT node\n", link->name);110 ret = -EINVAL;111 goto err;112 }113 114 ret = snd_soc_of_get_dlc(cpu, &args, link->cpus, 0);115 if (ret) {116 dev_err_probe(card->dev, ret,117 "%s: error getting cpu dai name\n", link->name);118 goto err;119 }120 121 link->id = args.args[0];122 123 if (platform) {124 link->platforms->of_node = of_parse_phandle(platform,125 "sound-dai",126 0);127 if (!link->platforms->of_node) {128 dev_err(card->dev, "%s: platform dai not found\n", link->name);129 ret = -EINVAL;130 goto err;131 }132 } else {133 link->platforms->of_node = link->cpus->of_node;134 }135 136 if (codec) {137 ret = snd_soc_of_get_dai_link_codecs(dev, codec, link);138 if (ret < 0) {139 dev_err_probe(card->dev, ret,140 "%s: codec dai not found\n", link->name);141 goto err;142 }143 144 if (platform) {145 /* DPCM backend */146 link->no_pcm = 1;147 link->ignore_pmdown_time = 1;148 }149 } else {150 /* DPCM frontend */151 link->codecs = &snd_soc_dummy_dlc;152 link->num_codecs = 1;153 link->dynamic = 1;154 }155 156 if (platform || !codec) {157 /* DPCM */158 link->ignore_suspend = 1;159 link->nonatomic = 1;160 }161 162 link->stream_name = link->name;163 link++;164 165 of_node_put(cpu);166 of_node_put(codec);167 of_node_put(platform);168 }169 170 if (!card->dapm_widgets) {171 card->dapm_widgets = qcom_jack_snd_widgets;172 card->num_dapm_widgets = ARRAY_SIZE(qcom_jack_snd_widgets);173 }174 175 return 0;176err:177 of_node_put(cpu);178 of_node_put(codec);179 of_node_put(platform);180err_put_np:181 of_node_put(np);182 return ret;183}184EXPORT_SYMBOL_GPL(qcom_snd_parse_of);185 186static struct snd_soc_jack_pin qcom_headset_jack_pins[] = {187 /* Headset */188 {189 .pin = "Mic Jack",190 .mask = SND_JACK_MICROPHONE,191 },192 {193 .pin = "Headphone Jack",194 .mask = SND_JACK_HEADPHONE,195 },196};197 198int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd,199 struct snd_soc_jack *jack, bool *jack_setup)200{201 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);202 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);203 struct snd_soc_card *card = rtd->card;204 int rval, i;205 206 if (!*jack_setup) {207 rval = snd_soc_card_jack_new_pins(card, "Headset Jack",208 SND_JACK_HEADSET | SND_JACK_LINEOUT |209 SND_JACK_MECHANICAL |210 SND_JACK_BTN_0 | SND_JACK_BTN_1 |211 SND_JACK_BTN_2 | SND_JACK_BTN_3 |212 SND_JACK_BTN_4 | SND_JACK_BTN_5,213 jack, qcom_headset_jack_pins,214 ARRAY_SIZE(qcom_headset_jack_pins));215 216 if (rval < 0) {217 dev_err(card->dev, "Unable to add Headphone Jack\n");218 return rval;219 }220 221 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);222 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);223 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);224 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);225 *jack_setup = true;226 }227 228 switch (cpu_dai->id) {229 case TX_CODEC_DMA_TX_0:230 case TX_CODEC_DMA_TX_1:231 case TX_CODEC_DMA_TX_2:232 case TX_CODEC_DMA_TX_3:233 for_each_rtd_codec_dais(rtd, i, codec_dai) {234 rval = snd_soc_component_set_jack(codec_dai->component,235 jack, NULL);236 if (rval != 0 && rval != -ENOTSUPP) {237 dev_warn(card->dev, "Failed to set jack: %d\n", rval);238 return rval;239 }240 }241 242 break;243 default:244 break;245 }246 247 248 return 0;249}250EXPORT_SYMBOL_GPL(qcom_snd_wcd_jack_setup);251 252int qcom_snd_dp_jack_setup(struct snd_soc_pcm_runtime *rtd,253 struct snd_soc_jack *dp_jack, int dp_pcm_id)254{255 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);256 struct snd_soc_card *card = rtd->card;257 char jack_name[NAME_SIZE];258 int rval, i;259 260 snprintf(jack_name, sizeof(jack_name), "DP%d Jack", dp_pcm_id);261 rval = snd_soc_card_jack_new(card, jack_name, SND_JACK_AVOUT, dp_jack);262 if (rval)263 return rval;264 265 for_each_rtd_codec_dais(rtd, i, codec_dai) {266 rval = snd_soc_component_set_jack(codec_dai->component, dp_jack, NULL);267 if (rval != 0 && rval != -ENOTSUPP) {268 dev_warn(card->dev, "Failed to set jack: %d\n", rval);269 return rval;270 }271 }272 273 return 0;274}275EXPORT_SYMBOL_GPL(qcom_snd_dp_jack_setup);276 277MODULE_DESCRIPTION("ASoC Qualcomm helper functions");278MODULE_LICENSE("GPL");279